diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml index 6a75c0c2..48d974ca 100644 --- a/.github/workflows/codeql.yml +++ b/.github/workflows/codeql.yml @@ -17,17 +17,13 @@ on: pull_request: # The branches below must be a subset of the branches above branches: [ vavi ] - schedule: - - cron: '27 6 * * 2' +# schedule: +# - cron: '27 6 * * 2' jobs: analyze: name: Analyze runs-on: ubuntu-latest - permissions: - actions: read - contents: read - security-events: write strategy: fail-fast: false @@ -38,11 +34,11 @@ jobs: steps: - name: Checkout repository - uses: actions/checkout@v2 + uses: actions/checkout@v3 # Initializes the CodeQL tools for scanning. - name: Initialize CodeQL - uses: github/codeql-action/init@v1 + uses: github/codeql-action/init@v2 with: languages: ${{ matrix.language }} # If you wish to specify custom queries, you can do so here or in a config file. @@ -53,7 +49,7 @@ jobs: # Autobuild attempts to build any compiled languages (C/C++, C#, or Java). # If this step fails, then you should remove it and run the build manually (see below) - name: Autobuild - uses: github/codeql-action/autobuild@v1 + uses: github/codeql-action/autobuild@v2 # ℹī¸ Command-line programs to run using the OS shell. # 📚 https://git.io/JvXDl @@ -67,4 +63,4 @@ jobs: # make release - name: Perform CodeQL Analysis - uses: github/codeql-action/analyze@v1 + uses: github/codeql-action/analyze@v2 diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml index ff46ab9f..6590a163 100644 --- a/.github/workflows/maven.yml +++ b/.github/workflows/maven.yml @@ -15,12 +15,19 @@ jobs: runs-on: macos-latest steps: - - uses: actions/checkout@v2 - - name: Set up JDK 8 - uses: actions/setup-java@v2 - with: - java-version: '8' - distribution: 'adopt' - cache: maven - - name: Build with Maven - run: mvn -B package --file pom.xml + - name: Checkout repository + uses: actions/checkout@v3 + + - name: Check w/o SNAPSHOT when "bump version" + if: ${{ contains(github.event.head_commit.message, 'bump version') }} + run: grep "" pom.xml | head -1 | grep -v SNAPSHOT + + - name: Set up JDK 8 + uses: actions/setup-java@v3 + with: + java-version: '8' + distribution: 'temurin' + cache: maven + + - name: Build with Maven + run: mvn -B package --file pom.xml diff --git a/.gitignore b/.gitignore index 052c8593..c8400087 100644 --- a/.gitignore +++ b/.gitignore @@ -13,3 +13,6 @@ *.iml *.ipr *.iws + +/tmp/ +local.properties diff --git a/README.md b/README.md index 0a8fcbd4..9165e795 100644 --- a/README.md +++ b/README.md @@ -1,5 +1,8 @@ [![Release](https://jitpack.io/v/umjammer/JAADec.svg)](https://jitpack.io/#umjammer/JAADec) -[![Actions Status](https://github.com/umjammer/JAADec/workflows/Java%20CI/badge.svg)](https://github.com/umjammer/JAADec/actions) +[![Java CI with Maven](https://github.com/umjammer/JAADec/actions/workflows/maven.yml/badge.svg)](https://github.com/umjammer/JAADec/actions/workflows/maven.yml) +[![CodeQL](https://github.com/umjammer/JAADec/actions/workflows/codeql.yml/badge.svg)](https://github.com/umjammer/JAADec/actions/workflows/codeql.yml) +![Java](https://img.shields.io/badge/Java-8-b07219) +[![Parent](https://img.shields.io/badge/Parent-vavi--sound--sandbox-pink)](https://github.com/umjammer/vavi-sound-sandbox) # JAADec @@ -16,4 +19,9 @@ and decode AAC-LC (Low Complexity) and HE-AAC (High Efficiency/AAC+). ## Install - * https://jitpack.io/v/umjammer/JAADec \ No newline at end of file + * https://jitpack.io/#/umjammer/JAADec + +## Applied Patches + + * https://github.com/Tianscar/jaac/commit/cf9b24f55fcd8f77ae76c42cac87602fdb0382a8 + * https://github.com/Tianscar/jaac/commit/bbaaec277d6620e0233561d02185f2e901970480 diff --git a/local.properties.sample b/local.properties.sample new file mode 100644 index 00000000..6c71e42b --- /dev/null +++ b/local.properties.sample @@ -0,0 +1 @@ +mp4=/foo/bar.m4a \ No newline at end of file diff --git a/pom.xml b/pom.xml index d8f81603..83da5410 100644 --- a/pom.xml +++ b/pom.xml @@ -5,10 +5,10 @@ net.sourceforge.jaadec jaad - 0.8.8 + 0.8.9 JAAD is an AAC decoder and MP4 demultiplexer library written completely in Java. It uses no native libraries, is platform-independent and portable. It can read MP4 container from almost every input-stream (files, network sockets etc.) and decode AAC-LC (Low Complexity) and HE-AAC (High Efficiency/AAC+). - https://github.com/DV8FromTheWorld/JAADec + https://github.com/umjammer/JAADec Public Domain @@ -33,15 +33,17 @@ - scm:git:git@github.com:DV8FromTheWorld/JAADec.git - scm:git:git@github.com:DV8FromTheWorld/JAADec.git - scm:git:git@github.com:DV8FromTheWorld/JAADec.git + scm:git:git@github.com:umjammer/JAADec.git + scm:git:git@github.com:umjammer/JAADec.git + scm:git:git@github.com:umjammer/JAADec.git + org.apache.maven.plugins maven-compiler-plugin + 3.10.1 8 8 @@ -49,12 +51,12 @@ + org.apache.maven.plugins maven-surefire-plugin - 3.0.0-M5 + 3.0.0-M7 -Djava.util.logging.config.file=${project.build.testOutputDirectory}/logging.properties - -Dvavi.test=true false always @@ -75,7 +77,7 @@ org.junit junit-bom - 5.8.1 + 5.9.2 pom import @@ -86,8 +88,18 @@ com.github.umjammer vavi-sound - 1.0.12 + 1.0.15 test + + + commons-beanutils + commons-beanutils + + + org.apache.ant + ant + + diff --git a/src/main/java/net/sourceforge/jaad/MP4Info.java b/src/main/java/net/sourceforge/jaad/MP4Info.java index 3a6f4bbb..4e2dbd36 100644 --- a/src/main/java/net/sourceforge/jaad/MP4Info.java +++ b/src/main/java/net/sourceforge/jaad/MP4Info.java @@ -3,94 +3,95 @@ import java.io.RandomAccessFile; import java.util.List; import java.util.Map; + import net.sourceforge.jaad.mp4.MP4Container; +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.api.MetaData; import net.sourceforge.jaad.mp4.api.Movie; import net.sourceforge.jaad.mp4.api.Protection; import net.sourceforge.jaad.mp4.api.Track; import net.sourceforge.jaad.mp4.boxes.Box; + public class MP4Info { - private static final String USAGE = "usage:\nnet.sourceforge.jaad.MP4Info [options] \n\n\t-b\talso print all boxes"; + private static final String USAGE = "usage:\nnet.sourceforge.jaad.MP4Info [options] \n\n\t-b\talso print all boxes"; - public static void main(String[] args) { - try { - if(args.length<1) printUsage(); - else { - boolean boxes = false; - final String file; - if(args.length>1) { - if(args[0].equals("-b")) boxes = true; - else printUsage(); - file = args[1]; - } - else file = args[0]; + public static void main(String[] args) { + try { + if (args.length < 1) printUsage(); + else { + boolean boxes = false; + String file; + if (args.length > 1) { + if (args[0].equals("-b")) boxes = true; + else printUsage(); + file = args[1]; + } else file = args[0]; - final MP4Container cont = new MP4Container(new RandomAccessFile(file, "r")); - final Movie movie = cont.getMovie(); - System.out.println("Movie:"); + MP4Input is = MP4Input.open(new RandomAccessFile(file, "r")); + MP4Container cont = new MP4Container(is); + Movie movie = cont.getMovie(); + System.out.println("Movie:"); - final List tracks = movie.getTracks(); - Track t; - for(int i = 0; i tracks = movie.getTracks(); + Track t; + for (int i = 0; i < tracks.size(); i++) { + t = tracks.get(i); + System.out.println("\tTrack " + i + ": " + t.getCodec() + " (language: " + t.getLanguage() + ", created: " + t.getCreationTime() + ")"); - final Protection p = t.getProtection(); - if(p!=null) System.out.println("\t\tprotection: "+p.getScheme()); - } + Protection p = t.getProtection(); + if (p != null) System.out.println("\t\tprotection: " + p.getScheme()); + } - if(movie.containsMetaData()) { - System.out.println("\tMetadata:"); - final Map, Object> data = movie.getMetaData().getAll(); - for(MetaData.Field key : data.keySet()) { - if(key.equals(MetaData.Field.COVER_ARTWORKS)) { - final List l = (List) data.get(MetaData.Field.COVER_ARTWORKS); - System.out.println("\t\t"+l.size()+" Cover Artworks present"); - } - else System.out.println("\t\t"+key.getName()+" = "+data.get(key)); - } - } + if (movie.containsMetaData()) { + System.out.println("\tMetadata:"); + Map, Object> data = movie.getMetaData().getAll(); + for (MetaData.Field key : data.keySet()) { + if (key.equals(MetaData.Field.COVER_ARTWORKS)) { + List l = (List) data.get(MetaData.Field.COVER_ARTWORKS); + System.out.println("\t\t" + l.size() + " Cover Artworks present"); + } else System.out.println("\t\t" + key.getName() + " = " + data.get(key)); + } + } - final List protections = movie.getProtections(); - if(protections.size()>0) { - System.out.println("\tprotections:"); - for(Protection p : protections) { - System.out.println("\t\t"+p.getScheme()); - } - } + List protections = movie.getProtections(); + if (protections.size() > 0) { + System.out.println("\tprotections:"); + for (Protection p : protections) { + System.out.println("\t\t" + p.getScheme()); + } + } - //print all boxes - if(boxes) { - System.out.println("================================"); - for(Box box : cont.getBoxes()) { - printBox(box, 0); - } - } - } - } - catch(Exception e) { - e.printStackTrace(); - System.err.println("error while reading file: "+e.toString()); - } - } + //print all boxes + if (boxes) { + System.out.println("================================"); + for (Box box : cont.getBoxes()) { + printBox(box, 0); + } + } + } + } catch (Exception e) { + e.printStackTrace(); + System.err.println("error while reading file: " + e); + } + } - private static void printUsage() { - System.out.println(USAGE); - System.exit(1); - } + private static void printUsage() { + System.out.println(USAGE); + System.exit(1); + } - private static void printBox(Box box, int level) { - final StringBuilder sb = new StringBuilder(); - for(int i = 0; i tracks = movie.getTracks(AudioTrack.AudioCodec.AAC); - if(tracks.isEmpty()) throw new Exception("movie does not contain any AAC track"); - final AudioTrack track = (AudioTrack) tracks.get(0); + private static void decodeMP4(String in, String out) throws Exception { + WaveFileWriter wav = null; + try { + MP4Input is = MP4Input.open(new RandomAccessFile(in, "r")); + MP4Container cont = new MP4Container(is); + Movie movie = cont.getMovie(); + List tracks = movie.getTracks(AudioTrack.AudioCodec.AAC); + if (tracks.isEmpty()) throw new Exception("movie does not contain any AAC track"); + AudioTrack track = (AudioTrack) tracks.get(0); - wav = new WaveFileWriter(new File(out), track.getSampleRate(), track.getChannelCount(), track.getSampleSize()); + wav = new WaveFileWriter(new File(out), track.getSampleRate(), track.getChannelCount(), track.getSampleSize()); - final Decoder dec = new Decoder(track.getDecoderSpecificInfo()); + Decoder dec = Decoder.create(track.getDecoderSpecificInfo().getData()); - Frame frame; - final SampleBuffer buf = new SampleBuffer(); - while(track.hasMoreFrames()) { - frame = track.readNextFrame(); - dec.decodeFrame(frame.getData(), buf); - wav.write(buf.getData()); - } - } - finally { - if(wav!=null) wav.close(); - } - } + Frame frame; + SampleBuffer buf = new SampleBuffer(); + while (track.hasMoreFrames()) { + frame = track.readNextFrame(); + dec.decodeFrame(frame.getData(), buf); + wav.write(buf.getData()); + } + } finally { + if (wav != null) wav.close(); + } + } - private static void decodeAAC(String in, String out) throws IOException { - WaveFileWriter wav = null; - try { - final ADTSDemultiplexer adts = new ADTSDemultiplexer(new FileInputStream(in)); - final Decoder dec = new Decoder(adts.getDecoderSpecificInfo()); + private static void decodeAAC(String in, String out) throws IOException { + WaveFileWriter wav = null; + try { + ADTSDemultiplexer adts = new ADTSDemultiplexer(Files.newInputStream(Paths.get(in))); + Decoder dec = Decoder.create(adts.getDecoderInfo()); - final SampleBuffer buf = new SampleBuffer(); - byte[] b; - while(true) { - b = adts.readNextFrame(); - dec.decodeFrame(b, buf); + SampleBuffer buf = new SampleBuffer(); + byte[] b; + while (true) { + b = adts.readNextFrame(); + dec.decodeFrame(b, buf); - if(wav==null) wav = new WaveFileWriter(new File(out), buf.getSampleRate(), buf.getChannels(), buf.getBitsPerSample()); - wav.write(buf.getData()); - } - } - finally { - if(wav!=null) wav.close(); - } - } + if (wav == null) + wav = new WaveFileWriter(new File(out), buf.getSampleRate(), buf.getChannels(), buf.getBitsPerSample()); + wav.write(buf.getData()); + } + } finally { + if (wav != null) wav.close(); + } + } } diff --git a/src/main/java/net/sourceforge/jaad/Play.java b/src/main/java/net/sourceforge/jaad/Play.java index 62d24f38..743001bc 100644 --- a/src/main/java/net/sourceforge/jaad/Play.java +++ b/src/main/java/net/sourceforge/jaad/Play.java @@ -1,117 +1,132 @@ package net.sourceforge.jaad; -import net.sourceforge.jaad.aac.AACException; -import net.sourceforge.jaad.aac.Decoder; -import net.sourceforge.jaad.aac.SampleBuffer; -import net.sourceforge.jaad.adts.ADTSDemultiplexer; -import net.sourceforge.jaad.mp4.MP4Container; -import net.sourceforge.jaad.mp4.api.*; -import java.io.FileInputStream; +import java.io.InputStream; import java.io.RandomAccessFile; +import java.net.URL; +import java.nio.file.Files; +import java.nio.file.Paths; import java.util.List; import javax.sound.sampled.AudioFormat; import javax.sound.sampled.AudioSystem; import javax.sound.sampled.SourceDataLine; +import net.sourceforge.jaad.aac.AACException; +import net.sourceforge.jaad.aac.Decoder; +import net.sourceforge.jaad.aac.DecoderConfig; +import net.sourceforge.jaad.adts.ADTSDemultiplexer; +import net.sourceforge.jaad.mp4.MP4Container; +import net.sourceforge.jaad.mp4.MP4Input; +import net.sourceforge.jaad.mp4.api.AudioTrack; +import net.sourceforge.jaad.mp4.api.Frame; +import net.sourceforge.jaad.mp4.api.Movie; +import net.sourceforge.jaad.mp4.api.Track; + + /** * Command line example, that can decode an AAC file and play it. + * * @author in-somnia */ public class Play { - private static final String USAGE = "usage:\nnet.sourceforge.jaad.Play [-mp4] \n\n\t-mp4\tinput file is in MP4 container format"; - - public static void main(String[] args) { - try { - if(args.length<1) printUsage(); - if(args[0].equals("-mp4")) { - if(args.length<2) printUsage(); - else decodeMP4(args[1]); - } - else decodeAAC(args[0]); - } - catch(Exception e) { - e.printStackTrace(); - System.err.println("error while decoding: "+e.toString()); - } - } - - private static void printUsage() { - System.out.println(USAGE); - System.exit(1); - } - - private static void decodeMP4(String in) throws Exception { - SourceDataLine line = null; - byte[] b; - try { - //create container - final MP4Container cont = new MP4Container(new RandomAccessFile(in, "r")); - final Movie movie = cont.getMovie(); - //find AAC track - final List tracks = movie.getTracks(AudioTrack.AudioCodec.AAC); - if(tracks.isEmpty()) throw new Exception("movie does not contain any AAC track"); - final AudioTrack track = (AudioTrack) tracks.get(0); - - //create audio format - final AudioFormat aufmt = new AudioFormat(track.getSampleRate(), track.getSampleSize(), track.getChannelCount(), true, true); - line = AudioSystem.getSourceDataLine(aufmt); - line.open(); - line.start(); - - //create AAC decoder - final Decoder dec = new Decoder(track.getDecoderSpecificInfo()); - - //decode - Frame frame; - final SampleBuffer buf = new SampleBuffer(); - while(track.hasMoreFrames()) { - frame = track.readNextFrame(); - try { - dec.decodeFrame(frame.getData(), buf); - b = buf.getData(); - line.write(b, 0, b.length); - } - catch(AACException e) { - e.printStackTrace(); - //since the frames are separate, decoding can continue if one fails - } - } - } - finally { - if(line!=null) { - line.stop(); - line.close(); - } - } - } - - private static void decodeAAC(String in) throws Exception { - SourceDataLine line = null; - byte[] b; - try { - final ADTSDemultiplexer adts = new ADTSDemultiplexer(new FileInputStream(in)); - final Decoder dec = new Decoder(adts.getDecoderSpecificInfo()); - final SampleBuffer buf = new SampleBuffer(); - while(true) { - b = adts.readNextFrame(); - dec.decodeFrame(b, buf); - - if(line==null) { - final AudioFormat aufmt = new AudioFormat(buf.getSampleRate(), buf.getBitsPerSample(), buf.getChannels(), true, true); - line = AudioSystem.getSourceDataLine(aufmt); - line.open(); - line.start(); - } - b = buf.getData(); - line.write(b, 0, b.length); - } - } - finally { - if(line!=null) { - line.stop(); - line.close(); - } - } - } + private static final String USAGE = "usage:\nnet.sourceforge.jaad.Play [-mp4] \n\n\t-mp4\tinput file is in MP4 container format"; + + public static void main(String[] args) { + try { + if (args.length < 1) printUsage(); + if (args[0].equals("-mp4")) { + if (args.length < 2) printUsage(); + else decodeMP4(args[1]); + } else decodeAAC(args[0]); + } catch (Exception e) { + e.printStackTrace(); + System.err.println("error while decoding: " + e); + } + } + + private static void printUsage() { + System.out.println(USAGE); + System.exit(1); + } + + private static void decodeMP4(String in) throws Exception { + if (in.startsWith("http:")) + decodeMP4(new URL(in).openStream()); + else + decodeMP4(new RandomAccessFile(in, "r")); + } + + private static void decodeMP4(InputStream in) throws Exception { + decodeMP4(MP4Input.open(in)); + } + + private static void decodeMP4(RandomAccessFile in) throws Exception { + decodeMP4(MP4Input.open(in)); + } + + private static void decodeMP4(MP4Input in) throws Exception { + + // create container + MP4Container cont = new MP4Container(in); + Movie movie = cont.getMovie(); + // find AAC track + List tracks = movie.getTracks(AudioTrack.AudioCodec.AAC); + if (tracks.isEmpty()) throw new Exception("movie does not contain any AAC track"); + AudioTrack track = (AudioTrack) tracks.get(0); + + // create AAC decoder + Decoder dec = Decoder.create(track.getDecoderSpecificInfo().getData()); + + // create audio format + DecoderConfig conf = dec.getConfig(); + AudioFormat aufmt = new AudioFormat(conf.getOutputFrequency().getFrequency(), 16, conf.getChannelCount(), true, true); + + try (SourceDataLine line = AudioSystem.getSourceDataLine(aufmt)) { + line.open(); + line.start(); + + // decode + SampleBuffer buf = new SampleBuffer(aufmt); + while (track.hasMoreFrames()) { + Frame frame = track.readNextFrame(); + + try { + dec.decodeFrame(frame.getData(), buf); + byte[] b = buf.getData(); + line.write(b, 0, b.length); + } catch (AACException e) { + e.printStackTrace(); + // since the frames are separate, decoding can continue if one fails + } + } + line.drain(); + } + } + + private static void decodeAAC(String in) throws Exception { + if (in.startsWith("http:")) + decodeAAC(new URL(in).openStream()); + else + decodeAAC(Files.newInputStream(Paths.get(in))); + } + + private static void decodeAAC(InputStream in) throws Exception { + + ADTSDemultiplexer adts = new ADTSDemultiplexer(in); + Decoder dec = Decoder.create(adts.getDecoderInfo()); + AudioFormat aufmt = dec.getAudioFormat(); + SampleBuffer buf = new SampleBuffer(aufmt); + + try (SourceDataLine line = AudioSystem.getSourceDataLine(aufmt)) { + line.open(); + line.start(); + + while (true) { + byte[] b = adts.readNextFrame(); + dec.decodeFrame(b, buf); + b = buf.getData(); + line.write(b, 0, b.length); + } + } + } } diff --git a/src/main/java/net/sourceforge/jaad/Radio.java b/src/main/java/net/sourceforge/jaad/Radio.java index fdf1ad99..94865c88 100644 --- a/src/main/java/net/sourceforge/jaad/Radio.java +++ b/src/main/java/net/sourceforge/jaad/Radio.java @@ -7,98 +7,101 @@ import javax.sound.sampled.AudioFormat; import javax.sound.sampled.AudioSystem; import javax.sound.sampled.SourceDataLine; + import net.sourceforge.jaad.aac.Decoder; -import net.sourceforge.jaad.aac.SampleBuffer; import net.sourceforge.jaad.adts.ADTSDemultiplexer; + /** - * Command line example, that can decode an AAC stream from an Shoutcast/Icecast + * Command line example, that can decode an AAC stream from a Shoutcast/Icecast * server. * * @author in-somnia */ public class Radio { - private static final String USAGE = "usage:\nnet.sourceforge.jaad.Radio "; + private static final String USAGE = "usage:\nnet.sourceforge.jaad.Radio "; - public static void main(String[] args) { - try { - if(args.length<1) printUsage(); - else decode(args[0]); - } - catch(Exception e) { - e.printStackTrace(); - System.err.println("error while decoding: "+e.toString()); - } - } + public static void main(String[] args) { + try { + if (args.length < 1) + printUsage(); + else + decode(args[0]); + } catch (Exception e) { + e.printStackTrace(); + System.err.println("error while decoding: " + e); + } + } - private static void printUsage() { - System.out.println(USAGE); - System.exit(1); - } + private static void printUsage() { + System.out.println(USAGE); + System.exit(1); + } - private static void decode(String arg) throws Exception { - final SampleBuffer buf = new SampleBuffer(); + private static void decode(String arg) throws Exception { + SampleBuffer buf = new SampleBuffer(); - SourceDataLine line = null; - byte[] b; - try { - final URI uri = new URI(arg); - final Socket sock = new Socket(uri.getHost(), uri.getPort()>0 ? uri.getPort() : 80); + SourceDataLine line = null; + byte[] b; + try { + URI uri = new URI(arg); + Socket sock = new Socket(uri.getHost(), uri.getPort() > 0 ? uri.getPort() : 80); - //send HTTP request - final PrintStream out = new PrintStream(sock.getOutputStream()); - String path = uri.getPath(); - if(path==null||path.equals("")) path = "/"; - if(uri.getQuery()!=null) path += "?"+uri.getQuery(); - out.println("GET "+path+" HTTP/1.1"); - out.println("Host: "+uri.getHost()); - out.println(); + // send HTTP request + PrintStream out = new PrintStream(sock.getOutputStream()); + String path = uri.getPath(); + if (path == null || path.equals("")) + path = "/"; + if (uri.getQuery() != null) + path += "?" + uri.getQuery(); + out.println("GET " + path + " HTTP/1.1"); + out.println("Host: " + uri.getHost()); + out.println(); - //read response (skip header) - final DataInputStream in = new DataInputStream(sock.getInputStream()); - String x; - do { - x = in.readLine(); - } - while(x!=null&&!x.trim().equals("")); + // read response (skip header) + DataInputStream in = new DataInputStream(sock.getInputStream()); + String x; + do { + x = in.readLine(); + } + while (x != null && !x.trim().equals("")); - final ADTSDemultiplexer adts = new ADTSDemultiplexer(in); - AudioFormat aufmt = new AudioFormat(adts.getSampleFrequency(), 16, adts.getChannelCount(), true, true); - final Decoder dec = new Decoder(adts.getDecoderSpecificInfo()); + ADTSDemultiplexer adts = new ADTSDemultiplexer(in); + AudioFormat aufmt = new AudioFormat(adts.getSampleFrequency(), 16, adts.getChannelCount(), true, true); + Decoder dec = Decoder.create(adts.getDecoderInfo()); - while(true) { - b = adts.readNextFrame(); - dec.decodeFrame(b, buf); + while (true) { + b = adts.readNextFrame(); + dec.decodeFrame(b, buf); - if(line!=null&&formatChanged(line.getFormat(), buf)) { - //format has changed (e.g. SBR has started) - line.stop(); - line.close(); - line = null; - aufmt = new AudioFormat(buf.getSampleRate(), buf.getBitsPerSample(), buf.getChannels(), true, true); - } - if(line==null) { - line = AudioSystem.getSourceDataLine(aufmt); - line.open(); - line.start(); - } - b = buf.getData(); - line.write(b, 0, b.length); - } - } - finally { - if(line!=null) { - line.stop(); - line.close(); - } - } - } + if (line != null && formatChanged(line.getFormat(), buf)) { + // format has changed (e.g. SBR has started) + line.stop(); + line.close(); + line = null; + aufmt = new AudioFormat(buf.getSampleRate(), buf.getBitsPerSample(), buf.getChannels(), true, true); + } + if (line == null) { + line = AudioSystem.getSourceDataLine(aufmt); + line.open(); + line.start(); + } + b = buf.getData(); + line.write(b, 0, b.length); + } + } finally { + if (line != null) { + line.stop(); + line.close(); + } + } + } - private static boolean formatChanged(AudioFormat af, SampleBuffer buf) { - return af.getSampleRate()!=buf.getSampleRate() - ||af.getChannels()!=buf.getChannels() - ||af.getSampleSizeInBits()!=buf.getBitsPerSample() - ||af.isBigEndian()!=buf.isBigEndian(); - } + private static boolean formatChanged(AudioFormat af, SampleBuffer buf) { + return af.getSampleRate() != buf.getSampleRate() + || af.getChannels() != buf.getChannels() + || af.getSampleSizeInBits() != buf.getBitsPerSample() + || af.isBigEndian() != buf.isBigEndian(); + } } diff --git a/src/main/java/net/sourceforge/jaad/SampleBuffer.java b/src/main/java/net/sourceforge/jaad/SampleBuffer.java new file mode 100644 index 00000000..d08feb80 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/SampleBuffer.java @@ -0,0 +1,169 @@ +package net.sourceforge.jaad; + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.util.List; +import javax.sound.sampled.AudioFormat; + +import net.sourceforge.jaad.aac.Receiver; + + +/** + * The SampleBuffer holds the decoded AAC frame. It contains the raw PCM data + * and its format. + * + * @author in-somnia + */ +public class SampleBuffer implements Receiver { + + private int sampleRate, channels, bitsPerSample; + private double length, bitrate; + private byte[] data; + private boolean bigEndian; + + public SampleBuffer() { + data = new byte[0]; + sampleRate = 0; + channels = 0; + bitsPerSample = 0; + bigEndian = true; + } + + public SampleBuffer(AudioFormat af) { + data = new byte[0]; + sampleRate = (int) af.getSampleRate(); + channels = af.getChannels(); + bitsPerSample = af.getSampleSizeInBits(); + bigEndian = af.isBigEndian(); + } + + /** + * Returns the buffer's PCM data. + * + * @return the audio data + */ + public byte[] getData() { + return data; + } + + /** + * Returns the data's sample rate. + * + * @return the sample rate + */ + public int getSampleRate() { + return sampleRate; + } + + /** + * Returns the number of channels stored in the data buffer. + * + * @return the number of channels + */ + public int getChannels() { + return channels; + } + + /** + * Returns the number of bits per sample. Usually this is 16, meaning a + * sample is stored in two bytes. + * + * @return the number of bits per sample + */ + public int getBitsPerSample() { + return bitsPerSample; + } + + /** + * Returns the length of the current frame in seconds. + * length = samplesPerChannel / sampleRate + * + * @return the length in seconds + */ + public double getLength() { + return length; + } + + /** + * Returns the bitrate of the decoded PCM data. + * bitrate = (samplesPerChannel * bitsPerSample) / length + * + * @return the bitrate + */ + public double getBitrate() { + return bitrate; + } + + /** + * Indicates the endianness for the data. + * + * @return true if the data is in big endian, false if it is in little endian + */ + public boolean isBigEndian() { + return bigEndian; + } + + /** + * Sets the endianness for the data. + * + * @param bigEndian if true the data will be in big endian, else in little + * endian + */ + public void setBigEndian(boolean bigEndian) { + if (bigEndian != this.bigEndian) { + byte tmp; + for (int i = 0; i < data.length; i += 2) { + tmp = data[i]; + data[i] = data[i + 1]; + data[i + 1] = tmp; + } + this.bigEndian = bigEndian; + } + } + + public void setData(byte[] data, int sampleRate, int channels, int bitsPerSample, int bitsRead) { + this.data = data; + this.sampleRate = sampleRate; + this.channels = channels; + this.bitsPerSample = bitsPerSample; + + if (sampleRate == 0) { + length = 0; + bitrate = 0; + } else { + int bytesPerSample = bitsPerSample / 8; //usually 2 + int samplesPerChannel = data.length / (bytesPerSample * channels); //=1024 + length = (double) samplesPerChannel / (double) sampleRate; + bitrate = (double) (samplesPerChannel * bitsPerSample * channels) / length; + } + } + + @Override + public void accept(List samples, int sampleLength, int sampleRate) { + + this.sampleRate = sampleRate; + this.channels = samples.size(); + this.bitsPerSample = Short.SIZE; + + int bytes = samples.size() * Short.BYTES * sampleLength; + if (data == null || data.length != bytes) + data = new byte[bytes]; + + this.length = (double) sampleLength / sampleRate; + this.bitrate = (double) sampleLength * bitsPerSample * channels / bytes; + + ByteBuffer bb = ByteBuffer.wrap(data); + bb.order(bigEndian ? ByteOrder.BIG_ENDIAN : ByteOrder.LITTLE_ENDIAN); + + for (int is = 0; is < sampleLength; ++is) { + for (float[] sample : samples) { + int k = sample.length * is / sampleLength; + float s = sample[k]; + int pulse = Math.round(s); + pulse = Math.min(pulse, Short.MAX_VALUE); + pulse = Math.max(pulse, Short.MIN_VALUE); + bb.putShort((short) pulse); + } + } + } +} \ No newline at end of file diff --git a/src/main/java/net/sourceforge/jaad/aac/AACException.java b/src/main/java/net/sourceforge/jaad/aac/AACException.java index a8f29fd1..83993551 100644 --- a/src/main/java/net/sourceforge/jaad/aac/AACException.java +++ b/src/main/java/net/sourceforge/jaad/aac/AACException.java @@ -1,31 +1,18 @@ package net.sourceforge.jaad.aac; -import java.io.IOException; - /** * Standard exception, thrown when decoding of an AAC frame fails. * The message gives more detailed information about the error. + * * @author in-somnia */ -public class AACException extends IOException { - - private final boolean eos; - - public AACException(String message) { - this(message, false); - } - - public AACException(String message, boolean eos) { - super(message); - this.eos = eos; - } +public class AACException extends RuntimeException { - public AACException(Throwable cause) { - super(cause); - eos = false; - } + public AACException(String message) { + super(message); + } - boolean isEndOfStream() { - return eos; - } + public AACException(Throwable cause) { + super(cause); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/AudioDecoderInfo.java b/src/main/java/net/sourceforge/jaad/aac/AudioDecoderInfo.java new file mode 100644 index 00000000..5b8f7ba4 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/AudioDecoderInfo.java @@ -0,0 +1,16 @@ +package net.sourceforge.jaad.aac; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 24.03.18 + * Time: 15:21 + */ +public interface AudioDecoderInfo { + + Profile getProfile(); + + SampleFrequency getSampleFrequency(); + + ChannelConfiguration getChannelConfiguration(); +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ChannelConfiguration.java b/src/main/java/net/sourceforge/jaad/aac/ChannelConfiguration.java index a91a9d59..e0d18191 100644 --- a/src/main/java/net/sourceforge/jaad/aac/ChannelConfiguration.java +++ b/src/main/java/net/sourceforge/jaad/aac/ChannelConfiguration.java @@ -1,85 +1,106 @@ package net.sourceforge.jaad.aac; +import java.util.List; + +import net.sourceforge.jaad.aac.tools.Utils; + +import static net.sourceforge.jaad.aac.Speaker.BC; +import static net.sourceforge.jaad.aac.Speaker.BL; +import static net.sourceforge.jaad.aac.Speaker.BR; +import static net.sourceforge.jaad.aac.Speaker.FC; +import static net.sourceforge.jaad.aac.Speaker.FL; +import static net.sourceforge.jaad.aac.Speaker.FLC; +import static net.sourceforge.jaad.aac.Speaker.FR; +import static net.sourceforge.jaad.aac.Speaker.FRC; +import static net.sourceforge.jaad.aac.Speaker.LFE; + + /** * All possible channel configurations for AAC. + * * @author in-somnia */ public enum ChannelConfiguration { - CHANNEL_CONFIG_UNSUPPORTED(-1, "invalid"), - CHANNEL_CONFIG_NONE(0, "No channel"), - CHANNEL_CONFIG_MONO(1, "Mono"), - CHANNEL_CONFIG_STEREO(2, "Stereo"), - CHANNEL_CONFIG_STEREO_PLUS_CENTER(3, "Stereo+Center"), - CHANNEL_CONFIG_STEREO_PLUS_CENTER_PLUS_REAR_MONO(4, "Stereo+Center+Rear"), - CHANNEL_CONFIG_FIVE(5, "Five channels"), - CHANNEL_CONFIG_FIVE_PLUS_ONE(6, "Five channels+LF"), - CHANNEL_CONFIG_SEVEN_PLUS_ONE(8, "Seven channels+LF"); - - public static ChannelConfiguration forInt(int i) { - ChannelConfiguration c; - switch(i) { - case 0: - c = CHANNEL_CONFIG_NONE; - break; - case 1: - c = CHANNEL_CONFIG_MONO; - break; - case 2: - c = CHANNEL_CONFIG_STEREO; - break; - case 3: - c = CHANNEL_CONFIG_STEREO_PLUS_CENTER; - break; - case 4: - c = CHANNEL_CONFIG_STEREO_PLUS_CENTER_PLUS_REAR_MONO; - break; - case 5: - c = CHANNEL_CONFIG_FIVE; - break; - case 6: - c = CHANNEL_CONFIG_FIVE_PLUS_ONE; - break; - case 7: - case 8: - c = CHANNEL_CONFIG_SEVEN_PLUS_ONE; - break; - default: - c = CHANNEL_CONFIG_UNSUPPORTED; - break; - } - return c; - } - private final int chCount; - private final String descr; - - private ChannelConfiguration(int chCount, String descr) { - this.chCount = chCount; - this.descr = descr; - } - - /** - * Returns the number of channels in this configuration. - */ - public int getChannelCount() { - return chCount; - } - - /** - * Returns a short description of this configuration. - * @return the channel configuration's description - */ - public String getDescription() { - return descr; - } - - /** - * Returns a string representation of this channel configuration. - * The method is identical to getDescription(). - * @return the channel configuration's description - */ - @Override - public String toString() { - return descr; - } + NONE("No channel"), + MONO("Mono", FC), + STEREO("Stereo", FL, FR), + STEREO_PLUS_CENTER("Stereo+Center", FC, FL, FR), + STEREO_PLUS_CENTER_PLUS_REAR_MONO("Stereo+Center+Rear", FC, FL, FR, BC), + FIVE("Five channels", FC, FL, FR, BL, BR), + FIVE_PLUS_ONE("Five channels+LF", FC, FL, FR, BL, BR, LFE), + INVALID_SEVEN("Seven channels (invalid)", (Speaker) null), + SEVEN_PLUS_ONE("Seven channels+LF", FC, FL, FR, BL, BR, FLC, FRC, LFE); + + static final ChannelConfiguration CHANNEL_CONFIG_UNSUPPORTED = null; + + static final List CONFIGURATIONS = Utils.listOf(values()); + + public static ChannelConfiguration forInt(int i) { + // 7 -> 8 + // 8 -> 9 -> error + if (i >= 7) + ++i; + + return CONFIGURATIONS.get(i); + } + + public static ChannelConfiguration forChannelCount(int n) { + if (n == 7) + throw new AACException("invalid channel configuration: 8"); + + return CONFIGURATIONS.get(n); + } + + private final String descr; + + private final List speakers; + + ChannelConfiguration(String descr) { + this.descr = descr; + this.speakers = Utils.listOf(); + } + + ChannelConfiguration(String descr, Speaker... speakes) { + this.descr = descr; + this.speakers = Utils.listOf(speakes); + if (speakers.size() != ordinal()) + throw new IllegalArgumentException("invalid speaker count"); + } + + ChannelConfiguration(String descr, Speaker speaker) { + this.descr = descr; + this.speakers = speaker == null ? null : Utils.listOf(speaker); + } + + /** + * Returns the number of channels in this configuration. + */ + public int getChannelCount() { + return ordinal(); + } + + public List getSpeakers() { + return speakers; + } + + /** + * Returns a short description of this configuration. + * + * @return the channel configuration's description + */ + public String getDescription() { + return descr; + } + + /** + * Returns a string representation of this channel configuration. + * The method is identical to getDescription(). + * + * @return the channel configuration's description + */ + @Override + public String toString() { + return descr; + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/Decoder.java b/src/main/java/net/sourceforge/jaad/aac/Decoder.java index 577dafb0..bac68b19 100644 --- a/src/main/java/net/sourceforge/jaad/aac/Decoder.java +++ b/src/main/java/net/sourceforge/jaad/aac/Decoder.java @@ -1,124 +1,140 @@ package net.sourceforge.jaad.aac; +import java.util.List; +import java.util.logging.Level; +import java.util.logging.Logger; +import javax.sound.sampled.AudioFormat; + +import net.sourceforge.jaad.SampleBuffer; import net.sourceforge.jaad.aac.syntax.BitStream; -import net.sourceforge.jaad.aac.syntax.Constants; import net.sourceforge.jaad.aac.syntax.PCE; import net.sourceforge.jaad.aac.syntax.SyntacticElements; -import net.sourceforge.jaad.aac.filterbank.FilterBank; import net.sourceforge.jaad.aac.transport.ADIFHeader; -import java.util.logging.ConsoleHandler; -import java.util.logging.Handler; -import java.util.logging.Level; + /** * Main AAC decoder class + * * @author in-somnia */ -public class Decoder implements Constants { - - static { - if (System.getProperty("java.util.logging.config.file", "").isEmpty()) { - for(Handler h : LOGGER.getHandlers()) { - LOGGER.removeHandler(h); - } - LOGGER.setLevel(Level.WARNING); - - final ConsoleHandler h = new ConsoleHandler(); - h.setLevel(Level.ALL); - LOGGER.addHandler(h); +public class Decoder { + + static final Logger LOGGER = Logger.getLogger(Decoder.class.getName()); + + private final DecoderConfig config; + private final SyntacticElements syntacticElements; + public int frames=0; + private ADIFHeader adifHeader; + + /** + * The methods returns true, if a profile is supported by the decoder. + * + * @param profile an AAC profile + * @return true if the specified profile can be decoded + * @see Profile#isDecodingSupported() + */ + public static boolean canDecode(Profile profile) { + return profile.isDecodingSupported(); + } + + public static Decoder create(byte[] data) { + return create(BitStream.open(data)); + } + + public static Decoder create(BitStream in) { + DecoderConfig config = new DecoderConfig().decode(in); + return create(config); + } + + public static Decoder create(AudioDecoderInfo info) { + DecoderConfig config = DecoderConfig.create(info); + return create(config); + } + + public static Decoder create(DecoderConfig config) { + if(config==null) + throw new IllegalArgumentException("illegal MP4 decoder specific info"); + return new Decoder(config); + } + + /** + * Initializes the decoder with a MP4 decoder specific info. + *

+ * After this the MP4 frames can be passed to the + * decodeFrame(byte[], SampleBuffer) method to decode them. + * + * @param config decoder specific info from an MP4 container + * @throws AACException if the specified profile is not supported + */ + public Decoder(DecoderConfig config) { +// config = DecoderConfig.parseMP4DecoderSpecificInfo(decoderSpecificInfo); + + this.config = config; + + syntacticElements = new SyntacticElements(config); + + LOGGER.log(Level.FINE, "profile: {0}", config.getProfile()); + LOGGER.log(Level.FINE, "sf: {0}", config.getSampleFrequency().getFrequency()); + LOGGER.log(Level.FINE, "channels: {0}", config.getChannelConfiguration().getDescription()); + } + + public DecoderConfig getConfig() { + return config; + } + + /** + * Decodes one frame of AAC data in frame mode and returns the raw PCM + * data. + * + * @param frame the AAC frame + * @param buffer a buffer to hold the decoded PCM data + * @throws AACException if decoding fails + */ + public void decodeFrame(byte[] frame, SampleBuffer buffer) throws AACException { + + BitStream in = BitStream.open(frame); + + try { + LOGGER.log(Level.FINE, () -> String.format("frame %d @%d", frames, 8 * frame.length)); + decode(in, buffer); + LOGGER.log(Level.FINEST, () -> String.format("left %d", in.getBitsLeft())); + } catch (EOSException e) { + LOGGER.log(Level.WARNING,"unexpected end of frame",e); + } finally { + ++frames; } - } - private final DecoderConfig config; - private final SyntacticElements syntacticElements; - private final FilterBank filterBank; - private BitStream in; - private ADIFHeader adifHeader; - - /** - * The methods returns true, if a profile is supported by the decoder. - * @param profile an AAC profile - * @return true if the specified profile can be decoded - * @see Profile#isDecodingSupported() - */ - public static boolean canDecode(Profile profile) { - return profile.isDecodingSupported(); - } - - /** - * Initializes the decoder with a MP4 decoder specific info. - * - * After this the MP4 frames can be passed to the - * decodeFrame(byte[], SampleBuffer) method to decode them. - * - * @param decoderSpecificInfo a byte array containing the decoder specific info from an MP4 container - * @throws AACException if the specified profile is not supported - */ - public Decoder(byte[] decoderSpecificInfo) throws AACException { - config = DecoderConfig.parseMP4DecoderSpecificInfo(decoderSpecificInfo); - if(config==null) throw new IllegalArgumentException("illegal MP4 decoder specific info"); - - if(!canDecode(config.getProfile())) throw new AACException("unsupported profile: "+config.getProfile().getDescription()); - - syntacticElements = new SyntacticElements(config); - filterBank = new FilterBank(config.isSmallFrameUsed(), config.getChannelConfiguration().getChannelCount()); - - in = new BitStream(); - - LOGGER.log(Level.FINE, "profile: {0}", config.getProfile()); - LOGGER.log(Level.FINE, "sf: {0}", config.getSampleFrequency().getFrequency()); - LOGGER.log(Level.FINE, "channels: {0}", config.getChannelConfiguration().getDescription()); - } - - public DecoderConfig getConfig() { - return config; - } - - /** - * Decodes one frame of AAC data in frame mode and returns the raw PCM - * data. - * @param frame the AAC frame - * @param buffer a buffer to hold the decoded PCM data - * @throws AACException if decoding fails - */ - public void decodeFrame(byte[] frame, SampleBuffer buffer) throws AACException { - if(frame!=null) in.setData(frame); - try { - decode(buffer); - } - catch(AACException e) { - if(!e.isEndOfStream()) throw e; - else LOGGER.log(Level.WARNING,"unexpected end of frame",e); - } - } - - private void decode(SampleBuffer buffer) throws AACException { - if(ADIFHeader.isPresent(in)) { - adifHeader = ADIFHeader.readHeader(in); - final PCE pce = adifHeader.getFirstPCE(); - config.setProfile(pce.getProfile()); - config.setSampleFrequency(pce.getSampleFrequency()); - config.setChannelConfiguration(ChannelConfiguration.forInt(pce.getChannelCount())); - } - - if(!canDecode(config.getProfile())) throw new AACException("unsupported profile: "+config.getProfile().getDescription()); - - syntacticElements.startNewFrame(); - - try { - //1: bitstream parsing and noiseless coding - syntacticElements.decode(in); - //2: spectral processing - syntacticElements.process(filterBank); - //3: send to output buffer - syntacticElements.sendToOutput(buffer); - } - catch(AACException e) { - buffer.setData(new byte[0], 0, 0, 0, 0); - throw e; - } - catch(Exception e) { - buffer.setData(new byte[0], 0, 0, 0, 0); - throw new AACException(e); - } - } + } + + private void decode(BitStream in, SampleBuffer buffer) throws AACException { + if (ADIFHeader.isPresent(in)) { + adifHeader = ADIFHeader.readHeader(in); + PCE pce = adifHeader.getFirstPCE(); + config.setProfile(pce.getProfile()); + } + + if (!canDecode(config.getProfile())) + throw new AACException("unsupported profile: " + config.getProfile().getDescription()); + + syntacticElements.startNewFrame(); + + // 1: bitstream parsing and noiseless coding + syntacticElements.decode(in); + // 2: spectral processing + List channels = syntacticElements.process(); + // 3: send to output buffer + buffer.accept(channels, config.getSampleLength(), config.getOutputFrequency().getFrequency()); + } + + public AudioFormat getAudioFormat() { + + int freq = config.getSampleFrequency().getFrequency(); + + // assume SBR/PS + if (!config.getProfile().isErrorResilientProfile() + && config.getChannelConfiguration() == ChannelConfiguration.MONO + && freq < 24000) + freq *= 2; + + return new AudioFormat(freq, 16, config.getChannelCount(), true, false); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/DecoderConfig.java b/src/main/java/net/sourceforge/jaad/aac/DecoderConfig.java index aa2ba019..54d57a88 100644 --- a/src/main/java/net/sourceforge/jaad/aac/DecoderConfig.java +++ b/src/main/java/net/sourceforge/jaad/aac/DecoderConfig.java @@ -1,9 +1,15 @@ package net.sourceforge.jaad.aac; +import net.sourceforge.jaad.aac.filterbank.FilterBank; +import net.sourceforge.jaad.aac.ps.PSImpl; +import net.sourceforge.jaad.aac.sbr.PS; +import net.sourceforge.jaad.aac.sbr.SBR; import net.sourceforge.jaad.aac.syntax.BitStream; -import net.sourceforge.jaad.aac.syntax.Constants; import net.sourceforge.jaad.aac.syntax.PCE; +import static net.sourceforge.jaad.aac.SampleFrequency.SF_NONE; + + /** * DecoderConfig that must be passed to the * Decoder constructor. Typically it is created via one of the @@ -11,230 +17,294 @@ * * @author in-somnia */ -public class DecoderConfig implements Constants { - - private Profile profile, extProfile; - private SampleFrequency sampleFrequency; - private ChannelConfiguration channelConfiguration; - private boolean frameLengthFlag; - private boolean dependsOnCoreCoder; - private int coreCoderDelay; - private boolean extensionFlag; - //extension: SBR - private boolean sbrPresent, downSampledSBR, sbrEnabled; - //extension: error resilience - private boolean sectionDataResilience, scalefactorResilience, spectralDataResilience; - - private DecoderConfig() { - profile = Profile.AAC_MAIN; - extProfile = Profile.UNKNOWN; - sampleFrequency = SampleFrequency.SAMPLE_FREQUENCY_NONE; - channelConfiguration = ChannelConfiguration.CHANNEL_CONFIG_UNSUPPORTED; - frameLengthFlag = false; - sbrPresent = false; - downSampledSBR = false; - sbrEnabled = true; - sectionDataResilience = false; - scalefactorResilience = false; - spectralDataResilience = false; - } - - /* ========== gets/sets ========== */ - public ChannelConfiguration getChannelConfiguration() { - return channelConfiguration; - } - - public void setChannelConfiguration(ChannelConfiguration channelConfiguration) { - this.channelConfiguration = channelConfiguration; - } - - public int getCoreCoderDelay() { - return coreCoderDelay; - } - - public void setCoreCoderDelay(int coreCoderDelay) { - this.coreCoderDelay = coreCoderDelay; - } - - public boolean isDependsOnCoreCoder() { - return dependsOnCoreCoder; - } - - public void setDependsOnCoreCoder(boolean dependsOnCoreCoder) { - this.dependsOnCoreCoder = dependsOnCoreCoder; - } - - public Profile getExtObjectType() { - return extProfile; - } - - public void setExtObjectType(Profile extObjectType) { - this.extProfile = extObjectType; - } - - public int getFrameLength() { - return frameLengthFlag ? WINDOW_SMALL_LEN_LONG : WINDOW_LEN_LONG; - } - - public boolean isSmallFrameUsed() { - return frameLengthFlag; - } - - public void setSmallFrameUsed(boolean shortFrame) { - this.frameLengthFlag = shortFrame; - } - - public Profile getProfile() { - return profile; - } - - public void setProfile(Profile profile) { - this.profile = profile; - } - - public SampleFrequency getSampleFrequency() { - return sampleFrequency; - } - - public void setSampleFrequency(SampleFrequency sampleFrequency) { - this.sampleFrequency = sampleFrequency; - } - - //=========== SBR ============= - public boolean isSBRPresent() { - return sbrPresent; - } - - public boolean isSBRDownSampled() { - return downSampledSBR; - } - - public boolean isSBREnabled() { - return sbrEnabled; - } - - public void setSBREnabled(boolean enabled) { - sbrEnabled = enabled; - } - - //=========== ER ============= - public boolean isScalefactorResilienceUsed() { - return scalefactorResilience; - } - - public boolean isSectionDataResilienceUsed() { - return sectionDataResilience; - } - - public boolean isSpectralDataResilienceUsed() { - return spectralDataResilience; - } - - /* ======== static builder ========= */ - /** - * Parses the input arrays as a DecoderSpecificInfo, as used in MP4 - * containers. - * - * @return a DecoderConfig - */ - static DecoderConfig parseMP4DecoderSpecificInfo(byte[] data) throws AACException { - final BitStream in = new BitStream(data); - final DecoderConfig config = new DecoderConfig(); - - try { - config.profile = readProfile(in); - - int sf = in.readBits(4); - if(sf==0xF) config.sampleFrequency = SampleFrequency.forFrequency(in.readBits(24)); - else config.sampleFrequency = SampleFrequency.forInt(sf); - config.channelConfiguration = ChannelConfiguration.forInt(in.readBits(4)); - - switch(config.profile) { - case AAC_SBR: - config.extProfile = config.profile; - config.sbrPresent = true; - sf = in.readBits(4); - //TODO: 24 bits already read; read again? - //if(sf==0xF) config.sampleFrequency = SampleFrequency.forFrequency(in.readBits(24)); - //if sample frequencies are the same: downsample SBR - config.downSampledSBR = config.sampleFrequency.getIndex()==sf; - config.sampleFrequency = SampleFrequency.forInt(sf); - config.profile = readProfile(in); - break; - case AAC_MAIN: - case AAC_LC: - case AAC_SSR: - case AAC_LTP: - case ER_AAC_LC: - case ER_AAC_LTP: - case ER_AAC_LD: - //ga-specific info: - config.frameLengthFlag = in.readBool(); - if(config.frameLengthFlag) throw new AACException("config uses 960-sample frames, not yet supported"); //TODO: are 960-frames working yet? - config.dependsOnCoreCoder = in.readBool(); - if(config.dependsOnCoreCoder) config.coreCoderDelay = in.readBits(14); - else config.coreCoderDelay = 0; - config.extensionFlag = in.readBool(); - - if(config.extensionFlag) { - if(config.profile.isErrorResilientProfile()) { - config.sectionDataResilience = in.readBool(); - config.scalefactorResilience = in.readBool(); - config.spectralDataResilience = in.readBool(); - } - //extensionFlag3 - in.skipBit(); - } - - if(config.channelConfiguration==ChannelConfiguration.CHANNEL_CONFIG_NONE) { - //TODO: is this working correct? -> ISO 14496-3 part 1: 1.A.4.3 - in.skipBits(3); //PCE - PCE pce = new PCE(); - pce.decode(in); - config.profile = pce.getProfile(); - config.sampleFrequency = pce.getSampleFrequency(); - config.channelConfiguration = ChannelConfiguration.forInt(pce.getChannelCount()); - } - - if(in.getBitsLeft()>10) readSyncExtension(in, config); - break; - default: - throw new AACException("profile not supported: "+config.profile.getIndex()); - } - return config; - } - finally { - in.destroy(); - } - } - - private static Profile readProfile(BitStream in) throws AACException { - int i = in.readBits(5); - if(i==31) i = 32+in.readBits(6); - return Profile.forInt(i); - } - - private static void readSyncExtension(BitStream in, DecoderConfig config) throws AACException { - final int type = in.readBits(11); - switch(type) { - case 0x2B7: - final Profile profile = Profile.forInt(in.readBits(5)); - - if(profile.equals(Profile.AAC_SBR)) { - config.sbrPresent = in.readBool(); - if(config.sbrPresent) { - config.profile = profile; - - int tmp = in.readBits(4); - - if(tmp==config.sampleFrequency.getIndex()) config.downSampledSBR = true; - if(tmp==15) { - throw new AACException("sample rate specified explicitly, not supported yet!"); - //tmp = in.readBits(24); - } - } - } - break; - } - } +public class DecoderConfig { + + private Profile profile = Profile.AAC_MAIN, extProfile = Profile.UNKNOWN; + private SampleRate sampleFrequency = SF_NONE; + private ChannelConfiguration channelConfiguration = ChannelConfiguration.CHANNEL_CONFIG_UNSUPPORTED; + private ChannelConfiguration extChannelConfiguration = ChannelConfiguration.CHANNEL_CONFIG_UNSUPPORTED; + private boolean frameLengthFlag = false; + private boolean dependsOnCoreCoder = false; + private int coreCoderDelay = 0; + private boolean extensionFlag = false; + // extension: SBR + private final boolean sbrEnabled; + private boolean sbrPresent = false; + // in case of SBR this may be twice the SampleFrequency. + // it remains null without SBR + private SampleRate outputFrequency; + + private boolean psEnabled = true; + private boolean psPresent = false; + + public PS openPS(SBR sbr) { + psPresent = true; + return new PSImpl(sbr.numTimeSlotsRate); + } + + // extension: error resilience + private boolean sectionDataResilience = false, scalefactorResilience = false, spectralDataResilience = false; + + DecoderConfig(boolean sbrEnabled) { + this.sbrEnabled = sbrEnabled; + } + + DecoderConfig() { + this(true); + } + + /* ========== gets/sets ========== */ + public ChannelConfiguration getChannelConfiguration() { + return channelConfiguration; + } + + public DecoderConfig setAudioDecoderInfo(AudioDecoderInfo info) { + profile = info.getProfile(); + sampleFrequency = info.getSampleFrequency(); + channelConfiguration = info.getChannelConfiguration(); + return this; + } + + public int getCoreCoderDelay() { + return coreCoderDelay; + } + + public void setCoreCoderDelay(int coreCoderDelay) { + this.coreCoderDelay = coreCoderDelay; + } + + public boolean isDependsOnCoreCoder() { + return dependsOnCoreCoder; + } + + public void setDependsOnCoreCoder(boolean dependsOnCoreCoder) { + this.dependsOnCoreCoder = dependsOnCoreCoder; + } + + public Profile getExtObjectType() { + return extProfile; + } + + public void setExtObjectType(Profile extObjectType) { + this.extProfile = extObjectType; + } + + public int getFrameLength() { + return frameLengthFlag ? FilterBank.WINDOW_SMALL_LEN_LONG : FilterBank.WINDOW_LEN_LONG; + } + + public int getSampleLength() { + int upsampled = outputFrequency!= null && sampleFrequency != outputFrequency ? 2 : 1; + return upsampled * getFrameLength(); + } + + public boolean isSmallFrameUsed() { + return frameLengthFlag; + } + + public void setSmallFrameUsed(boolean shortFrame) { + this.frameLengthFlag = shortFrame; + } + + public Profile getProfile() { + return profile; + } + + public void setProfile(Profile profile) { + this.profile = profile; + } + + public SampleRate getSampleFrequency() { + return sampleFrequency; + } + + public SampleRate getOutputFrequency() { + return outputFrequency != null ? outputFrequency : sampleFrequency; + } + + public int getChannelCount() { + + // expect HE AAC v2 with PS + if (sbrEnabled && channelConfiguration == ChannelConfiguration.MONO) + return 2; + + return channelConfiguration.getChannelCount(); + } + + //=========== SBR ============= + + /** + * Setup SBR and try to duplicate the output frequency if possible. + * + * @return true if the frequency could be duplicated. + */ + public boolean setSBRPresent() { + sbrPresent = true; + + if (outputFrequency == null) { + SampleRate duplicated = sampleFrequency.duplicated(); + if (duplicated == SF_NONE) + return false; + outputFrequency = duplicated; + } + + return isUpSampled(); + } + + boolean isUpSampled() { + return outputFrequency != null && outputFrequency != sampleFrequency; + } + + public boolean isSBREnabled() { + return sbrEnabled; + } + + public boolean isPSEnabled() { + return psEnabled; + } + + //=========== ER ============= + + public boolean isScalefactorResilienceUsed() { + return scalefactorResilience; + } + + public boolean isSectionDataResilienceUsed() { + return sectionDataResilience; + } + + public boolean isSpectralDataResilienceUsed() { + return spectralDataResilience; + } + + /* ======== static builder ========= */ + + public static DecoderConfig create(AudioDecoderInfo info) { + return new DecoderConfig().setAudioDecoderInfo(info); + } + + /** + * Parses the input arrays as a DecoderSpecificInfo, as used in MP4 + * containers. + *

+ * see: 1.6.2.1 AudioSpecificConfig + * + * @return a DecoderConfig + */ + public DecoderConfig decode(BitStream in) { + + profile = readProfile(in); + + sampleFrequency = SampleRate.decode(in); + outputFrequency = sampleFrequency; + + channelConfiguration = ChannelConfiguration.forInt(in.readBits(4)); + + switch (profile) { + case AAC_PS: + psPresent = true; + // implies SBR + case AAC_SBR: + SampleRate frequency = SampleRate.decode(in); + + extProfile = profile; + profile = readProfile(in); + + if (sbrEnabled) { + outputFrequency = frequency; + } + + break; + + case AAC_MAIN: + case AAC_LC: + case AAC_SSR: + case AAC_LTP: + case ER_AAC_LC: + case ER_AAC_LTP: + case ER_AAC_LD: + //ga-specific info: + frameLengthFlag = in.readBool(); + if (frameLengthFlag) + throw new AACException("config uses 960-sample frames, not yet supported"); //TODO: are 960-frames working yet? + + dependsOnCoreCoder = in.readBool(); + + if (dependsOnCoreCoder) + coreCoderDelay = in.readBits(14); + else + coreCoderDelay = 0; + + extensionFlag = in.readBool(); + + if (extensionFlag) { + if (profile.isErrorResilientProfile()) { + sectionDataResilience = in.readBool(); + scalefactorResilience = in.readBool(); + spectralDataResilience = in.readBool(); + } + //extensionFlag3 + in.skipBit(); + } + + if (channelConfiguration == ChannelConfiguration.NONE) { + //TODO: is this working correct? -> ISO 14496-3 part 1: 1.A.4.3 + //in.skipBits(3); //PCE + PCE pce = PCE.read(in); + setAudioDecoderInfo(pce); + } + + if (sbrEnabled && in.getBitsLeft() > 10) + readSyncExtension(in); + + break; + + default: + throw new AACException("profile not supported: " + profile.getIndex()); + } + + // expect implicit SBR for low frequencies + // see 4.6.18.2.6 + // if(sbrEnabled && !sbrPresent && sampleFrequency.duplicated() != SF_NONE) { + // setSBRPresent(); + // } + + return this; + } + + private static Profile readProfile(BitStream in) throws AACException { + int i = in.readBits(5); + if (i == 31) i = 32 + in.readBits(6); + return Profile.forInt(i); + } + + /** + * Read possible SBR and PS indication. + * See 1.6.6 Signaling of Parametric Stereo (PS) + * + * @param in input stream + */ + private void readSyncExtension(BitStream in) throws AACException { + int extensionType = in.readBits(11); + if (extensionType == 0x2B7) { + extProfile = Profile.forInt(in.readBits(5)); + if (extProfile.equals(Profile.AAC_SBR) || extProfile.equals(Profile.ER_BSAC)) { + sbrPresent = in.readBool(); + if (sbrPresent) { + outputFrequency = SampleRate.decode(in); + } + if (extProfile.equals(Profile.AAC_SBR)) { + // possible PS indication + // see: 1.6.6 Signaling of Parametric Stereo (PS) + if (in.getBitsLeft() > 12) { + extensionType = in.readBits(11); + if (extensionType == 0x548) + psPresent = in.readBool(); + } + } else if (extProfile.equals(Profile.ER_BSAC)) { + extChannelConfiguration = ChannelConfiguration.forInt(in.readBits(4)); + } + } + } + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/EOSException.java b/src/main/java/net/sourceforge/jaad/aac/EOSException.java new file mode 100644 index 00000000..0bd6899f --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/EOSException.java @@ -0,0 +1,18 @@ +package net.sourceforge.jaad.aac; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 21.12.18 + * Time: 13:30 + */ +public class EOSException extends AACException { + + public EOSException(String message) { + super(message); + } + + public EOSException(Throwable cause) { + super(cause); + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/Profile.java b/src/main/java/net/sourceforge/jaad/aac/Profile.java index f360fe5e..3ca83432 100644 --- a/src/main/java/net/sourceforge/jaad/aac/Profile.java +++ b/src/main/java/net/sourceforge/jaad/aac/Profile.java @@ -5,98 +5,119 @@ * The function Decoder.canDecode specifies if the decoder can * handle a given format. * More precisely, the ISO standard calls these 'object types'. + * * @author in-somnia */ public enum Profile { - UNKNOWN(-1, "unknown", false), - AAC_MAIN(1, "AAC Main Profile", true), - AAC_LC(2, "AAC Low Complexity", true), - AAC_SSR(3, "AAC Scalable Sample Rate", false), - AAC_LTP(4, "AAC Long Term Prediction", false), - AAC_SBR(5, "AAC SBR", true), - AAC_SCALABLE(6, "Scalable AAC", false), - TWIN_VQ(7, "TwinVQ", false), - AAC_LD(11, "AAC Low Delay", false), - ER_AAC_LC(17, "Error Resilient AAC Low Complexity", true), - ER_AAC_SSR(18, "Error Resilient AAC SSR", false), - ER_AAC_LTP(19, "Error Resilient AAC Long Term Prediction", false), - ER_AAC_SCALABLE(20, "Error Resilient Scalable AAC", false), - ER_TWIN_VQ(21, "Error Resilient TwinVQ", false), - ER_BSAC(22, "Error Resilient BSAC", false), - ER_AAC_LD(23, "Error Resilient AAC Low Delay", false); - private static final Profile[] ALL = { - AAC_MAIN, AAC_LC, AAC_SSR, AAC_LTP, AAC_SBR, AAC_SCALABLE, TWIN_VQ, - null, null, null, AAC_LD, null, null, null, null, null, ER_AAC_LC, ER_AAC_SSR, - ER_AAC_LTP, ER_AAC_SCALABLE, ER_TWIN_VQ, ER_BSAC, ER_AAC_LD - }; + UNKNOWN(-1, "unknown", false), + AAC_MAIN(1, "AAC Main Profile", true), + AAC_LC(2, "AAC Low Complexity", true), + AAC_SSR(3, "AAC Scalable Sample Rate", false), + AAC_LTP(4, "AAC Long Term Prediction", false), + AAC_SBR(5, "AAC SBR", true), + AAC_SCALABLE(6, "Scalable AAC", false), + TWIN_VQ(7, "TwinVQ", false), + AAC_LD(11, "AAC Low Delay", false), + ER_AAC_LC(17, "Error Resilient AAC Low Complexity", true), + ER_AAC_SSR(18, "Error Resilient AAC SSR", false), + ER_AAC_LTP(19, "Error Resilient AAC Long Term Prediction", false), + ER_AAC_SCALABLE(20, "Error Resilient Scalable AAC", false), + ER_TWIN_VQ(21, "Error Resilient TwinVQ", false), + ER_BSAC(22, "Error Resilient BSAC", false), + ER_AAC_LD(23, "Error Resilient AAC Low Delay", false), + AAC_PS(29, "Parametric Stereo", true); - /** - * Returns a profile instance for the given index. If the index is not - * between 1 and 23 inclusive, UNKNOWN is returned. - * @return a profile with the given index - */ - public static Profile forInt(int i) { - Profile p; - if(i<=0||i>ALL.length) p = UNKNOWN; - else p = ALL[i-1]; - return p; - } - private final int num; - private final String descr; - private final boolean supported; + private static final Profile[] ALL = { + AAC_MAIN, AAC_LC, AAC_SSR, AAC_LTP, AAC_SBR, AAC_SCALABLE, TWIN_VQ, + UNKNOWN, // CELP + UNKNOWN, // HXVC + UNKNOWN, // reserved + AAC_LD, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, ER_AAC_LC, ER_AAC_SSR, + ER_AAC_LTP, ER_AAC_SCALABLE, ER_TWIN_VQ, ER_BSAC, ER_AAC_LD, + UNKNOWN, // ER CELP + UNKNOWN, // ER HXVC + UNKNOWN, // ER HILN + UNKNOWN, // ER Parametric + UNKNOWN, // SSC (SinuSoidal Coding) + AAC_PS, + UNKNOWN // MPEG Surround + }; - private Profile(int num, String descr, boolean supported) { - this.num = num; - this.descr = descr; - this.supported = supported; - } + /** + * Returns a profile instance for the given index. If the index is not + * between 1 and 23 inclusive, UNKNOWN is returned. + * @return a profile with the given index + */ + public static Profile forInt(int i) { + Profile p; + if (i <= 0 || i > ALL.length) + p = UNKNOWN; + else + p = ALL[i - 1]; + return p; + } - /** - * Returns this profile's index between 1 and 23 or -1 if this is the - * UNKNOWN instance. - * @return the profile's index - */ - public int getIndex() { - return num; - } + private final int num; + private final String descr; + private final boolean supported; - /** - * Returns a short description of this profile. - * @return the profile's description - */ - public String getDescription() { - return descr; - } + Profile(int num, String descr, boolean supported) { + this.num = num; + this.descr = descr; + this.supported = supported; + } - /** - * Returns a string representation of this profile. The method is - * identical to getDescription(). - * @return the profile's description - */ - @Override - public String toString() { - return descr; - } + /** + * Returns this profile's index between 1 and 23 or -1 if this is the + * UNKNOWN instance. + * + * @return the profile's index + */ + public int getIndex() { + return num; + } - /** - * Returns a boolean, indicating if this profile can be decoded by the - * Decoder. - * @see Decoder#canDecode(net.sourceforge.jaad.aac.Profile) - * @return true if the profile is supported - */ - public boolean isDecodingSupported() { - return supported; - } + /** + * Returns a short description of this profile. + * + * @return the profile's description + */ + public String getDescription() { + return descr; + } - /** - * Returns a boolean, indicating if this profile contains error resilient - * tools. That is, if it's index is higher than 16, since the first error - * resilient profile is ER_AAC_LC (17). - * This method is mainly used internally. - * @return true if the profile uses error resilience - */ - public boolean isErrorResilientProfile() { - return num>16; - } + /** + * Returns a string representation of this profile. The method is + * identical to getDescription(). + * + * @return the profile's description + */ + @Override + public String toString() { + return descr; + } + + /** + * Returns a boolean, indicating if this profile can be decoded by the + * Decoder. + * + * @return true if the profile is supported + * @see Decoder#canDecode(net.sourceforge.jaad.aac.Profile) + */ + public boolean isDecodingSupported() { + return supported; + } + + /** + * Returns a boolean, indicating if this profile contains error resilient + * tools. That is, if it's index is higher than 16, since the first error + * resilient profile is ER_AAC_LC (17). + * This method is mainly used internally. + * + * @return true if the profile uses error resilience + */ + public boolean isErrorResilientProfile() { + return num > 16; + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/Receiver.java b/src/main/java/net/sourceforge/jaad/aac/Receiver.java new file mode 100644 index 00000000..e91d9bb1 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/Receiver.java @@ -0,0 +1,14 @@ +package net.sourceforge.jaad.aac; + +import java.util.List; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 17.10.20 + * Time: 17:09 + */ +public interface Receiver { + + void accept(List samples, int sampleLength, int sampleRate); +} diff --git a/src/main/java/net/sourceforge/jaad/aac/SampleBuffer.java b/src/main/java/net/sourceforge/jaad/aac/SampleBuffer.java deleted file mode 100644 index 162a7526..00000000 --- a/src/main/java/net/sourceforge/jaad/aac/SampleBuffer.java +++ /dev/null @@ -1,128 +0,0 @@ -package net.sourceforge.jaad.aac; - -/** - * The SampleBuffer holds the decoded AAC frame. It contains the raw PCM data - * and its format. - * @author in-somnia - */ -public class SampleBuffer { - - private int sampleRate, channels, bitsPerSample; - private double length, bitrate, encodedBitrate; - private byte[] data; - private boolean bigEndian; - - public SampleBuffer() { - data = new byte[0]; - sampleRate = 0; - channels = 0; - bitsPerSample = 0; - bigEndian = true; - } - - /** - * Returns the buffer's PCM data. - * @return the audio data - */ - public byte[] getData() { - return data; - } - - /** - * Returns the data's sample rate. - * @return the sample rate - */ - public int getSampleRate() { - return sampleRate; - } - - /** - * Returns the number of channels stored in the data buffer. - * @return the number of channels - */ - public int getChannels() { - return channels; - } - - /** - * Returns the number of bits per sample. Usually this is 16, meaning a - * sample is stored in two bytes. - * @return the number of bits per sample - */ - public int getBitsPerSample() { - return bitsPerSample; - } - - /** - * Returns the length of the current frame in seconds. - * length = samplesPerChannel / sampleRate - * @return the length in seconds - */ - public double getLength() { - return length; - } - - /** - * Returns the bitrate of the decoded PCM data. - * bitrate = (samplesPerChannel * bitsPerSample) / length - * @return the bitrate - */ - public double getBitrate() { - return bitrate; - } - - /** - * Returns the AAC bitrate of the current frame. - * @return the AAC bitrate - */ - public double getEncodedBitrate() { - return encodedBitrate; - } - - /** - * Indicates the endianness for the data. - * - * @return true if the data is in big endian, false if it is in little endian - */ - public boolean isBigEndian() { - return bigEndian; - } - - /** - * Sets the endianness for the data. - * - * @param bigEndian if true the data will be in big endian, else in little - * endian - */ - public void setBigEndian(boolean bigEndian) { - if(bigEndian!=this.bigEndian) { - byte tmp; - for(int i = 0; i=0&&i<12) freq = values()[i]; - else freq = SAMPLE_FREQUENCY_NONE; - return freq; - } - - public static SampleFrequency forFrequency(int i) { - final SampleFrequency[] all = values(); - - SampleFrequency freq = null; - for(int j = 0; freq==null&&j<12; j++) { - if(i==all[j].frequency) freq = all[j]; - } - - if(freq==null) freq = SAMPLE_FREQUENCY_NONE; - return freq; - } - private final int index, frequency; - private final int[] prediction, maxTNS_SFB; - - private SampleFrequency(int index, int freqency, int[] prediction, int[] maxTNS_SFB) { - this.index = index; - this.frequency = freqency; - this.prediction = prediction; - this.maxTNS_SFB = maxTNS_SFB; - } - - /** - * Returns this sample frequency's index between 0 (96000) and 11 (8000) - * or -1 if this is SAMPLE_FREQUENCY_NONE. - * @return the sample frequency's index - */ - public int getIndex() { - return index; - } - - /** - * Returns the sample frequency as integer value. This may be a value - * between 96000 and 8000, or 0 if this is SAMPLE_FREQUENCY_NONE. - * @return the sample frequency - */ - public int getFrequency() { - return frequency; - } - - /** - * Returns the highest scale factor band allowed for ICPrediction at this - * sample frequency. - * This method is mainly used internally. - * @return the highest prediction SFB - */ - public int getMaximalPredictionSFB() { - return prediction[0]; - } - - /** - * Returns the number of predictors allowed for ICPrediction at this - * sample frequency. - * This method is mainly used internally. - * @return the number of ICPredictors - */ - public int getPredictorCount() { - return prediction[1]; - } - - /** - * Returns the highest scale factor band allowed for TNS at this - * sample frequency. - * This method is mainly used internally. - * @return the highest SFB for TNS - */ - public int getMaximalTNS_SFB(boolean shortWindow) { - return maxTNS_SFB[shortWindow ? 1 : 0]; - } - - /** - * Returns a string representation of this sample frequency. - * The method is identical to getDescription(). - * @return the sample frequency's description - */ - @Override - public String toString() { - return Integer.toString(frequency); - } +public enum SampleFrequency implements SampleRate { + + SF_96000(0, 96000, new int[] {33, 512}, new int[] {31, 9}), + SF_88200(1, 88200, new int[] {33, 512}, new int[] {31, 9}), + SF_64000(2, 64000, new int[] {38, 664}, new int[] {34, 10}), + SF_48000(3, 48000, new int[] {40, 672}, new int[] {40, 14}), + SF_44100(4, 44100, new int[] {40, 672}, new int[] {42, 14}), + SF_32000(5, 32000, new int[] {40, 672}, new int[] {51, 14}), + SF_24000(6, 24000, new int[] {41, 652}, new int[] {46, 14}), + SF_22050(7, 22050, new int[] {41, 652}, new int[] {46, 14}), + SF_16000(8, 16000, new int[] {37, 664}, new int[] {42, 14}), + SF_12000(9, 12000, new int[] {37, 664}, new int[] {42, 14}), + SF_11025(10, 11025, new int[] {37, 664}, new int[] {42, 14}), + SF_8000(11, 8000, new int[] {34, 664}, new int[] {39, 14}); + + public static final SampleFrequency SF_NONE = null; + + public static final int ESCAPE_INDEX = 0x0f; + + public static final List TABLE = Arrays.asList(values()); + + /** + * Returns a sample frequency instance for the given index. If the index + * is not between 0 and 11 inclusive, SF_NONE is returned. + * + * @return a sample frequency with the given index + */ + public static SampleFrequency forInt(int i) { + if (i >= 0 && i < TABLE.size()) + return TABLE.get(i); + else + return SF_NONE; + } + + public SampleRate forFrequency(int freq) { + if (freq == this.frequency) + return this; + + return new SampleRate() { + + @Override + public int getFrequency() { + return frequency; + } + + @Override + public SampleFrequency getNominal() { + return SampleFrequency.this; + } + + public SampleRate duplicated() { + SampleFrequency duplicate = SampleFrequency.this.duplicated(); + return duplicate == SF_NONE ? SF_NONE : duplicate.forFrequency(2 * frequency); + } + }; + } + + public static SampleFrequency nominalFrequency(int freq) { + + SampleFrequency result = null; + float dev = Float.POSITIVE_INFINITY; + + for (SampleFrequency sf : values()) { + + // calculate relative deviation + float d = sf.getDeviationTo(freq); + + // direct match + if(d==0) + return sf; + + // better match + if(dgetDescription(). + * + * @return the sample frequency's description + */ + @Override + public String toString() { + return Integer.toString(frequency); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/SampleRate.java b/src/main/java/net/sourceforge/jaad/aac/SampleRate.java new file mode 100644 index 00000000..56057147 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/SampleRate.java @@ -0,0 +1,44 @@ +package net.sourceforge.jaad.aac; + +import net.sourceforge.jaad.aac.syntax.BitStream; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 04.05.19 + * Time: 18:28 + */ +public interface SampleRate { + + int getFrequency(); + + SampleRate duplicated(); + + SampleFrequency getNominal(); + + static SampleRate forFrequency(int frequency) { + SampleFrequency nominalFrequency = SampleFrequency.nominalFrequency(frequency); + return nominalFrequency.forFrequency(frequency); + } + + /** + * Decode a frequency which may either an index to a nominal frequency + * or an explicitly given frequency. + * + * See: 1.6.2.1 AudioSpecificConfig + * + * @param in input bit stream to decode. + * @return a SampleFrequency. + */ + static SampleRate decode(BitStream in) { + int index = in.readBits(4); + + // indexed nominal frequency + if(index != SampleFrequency.ESCAPE_INDEX) + return SampleFrequency.TABLE.get(index); + + // for explicit frequency + int frequency = in.readBits(24); + return forFrequency(frequency); + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/Speaker.java b/src/main/java/net/sourceforge/jaad/aac/Speaker.java new file mode 100644 index 00000000..a983ba34 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/Speaker.java @@ -0,0 +1,38 @@ +/* + * User: stueken + * Date: 26.12.20 + * Time: 10:26 + */ + +package net.sourceforge.jaad.aac; + +/** + * @see "https://en.wikipedia.org/wiki/Surround_sound" + */ +public enum Speaker { + + FL("Front Left"), + FR("Front Right"), + FC("Front Center"), + LFE("Low Frequency"), + BL("Back Left"), + BR("Back Right"), + FLC("Front Left of Center"), + FRC("Front Right of Center"), + BC("Back Center"), + SL("Side Left"), + SR("Side Right"), + TC("Top Center"), + TFL("Front Left Height"), + TFC("Front Center Height"), + TFR("Front Right Height"), + TBL("Rear Left Height"), + TBC("Rear Center Height"), + TBR("Rear Right Height"); + + final String name; + + Speaker(String name) { + this.name = name; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/error/BitsBuffer.java b/src/main/java/net/sourceforge/jaad/aac/error/BitsBuffer.java index d6e57ebc..ce7fc2dd 100644 --- a/src/main/java/net/sourceforge/jaad/aac/error/BitsBuffer.java +++ b/src/main/java/net/sourceforge/jaad/aac/error/BitsBuffer.java @@ -1,104 +1,101 @@ package net.sourceforge.jaad.aac.error; -import net.sourceforge.jaad.aac.AACException; import net.sourceforge.jaad.aac.syntax.BitStream; + public class BitsBuffer { - int bufa, bufb, len; - - public BitsBuffer() { - len = 0; - } - - public int getLength() { - return len; - } - - public int showBits(int bits) { - if(bits==0) return 0; - if(len<=32) { - //huffman_spectral_data_2 needs to read more than may be available, - //bits maybe > len, deliver 0 than - if(len>=bits) return ((bufa>>(len-bits))&(0xFFFFFFFF>>(32-bits))); - else return ((bufa<<(bits-len))&(0xFFFFFFFF>>(32-bits))); - } - else { - if((len-bits)<32) return ((bufb&(0xFFFFFFFF>>(64-len)))<<(bits-len+32))|(bufa>>(len-bits)); - else return ((bufb>>(len-bits-32))&(0xFFFFFFFF>>(32-bits))); - } - } - - public boolean flushBits(int bits) { - len -= bits; - - boolean b; - if(len<0) { - len = 0; - b = false; - } - else b = true; - return b; - } - - public int getBits(int n) { - int i = showBits(n); - if(!flushBits(n)) i = -1; - return i; - } - - public int getBit() { - int i = showBits(1); - if(!flushBits(1)) i = -1; - return i; - } - - public void rewindReverse() { - if(len==0) return; - final int[] i = HCR.rewindReverse64(bufb, bufa, len); - bufb = i[0]; - bufa = i[1]; - } - - //merge bits of a to b - public void concatBits(BitsBuffer a) { - if(a.len==0) return; - int al = a.bufa; - int ah = a.bufb; - - int bl, bh; - if(len>32) { - //mask off superfluous high b bits - bl = bufa; - bh = bufb&((1<<(len-32))-1); - //left shift a len bits - ah = al<<(len-32); - al = 0; - } - else { - bl = bufa&((1<<(len))-1); - bh = 0; - ah = (ah<<(len))|(al>>(32-len)); - al = al<32) { - bufb = in.readBits(segwidth-32); - bufa = in.readBits(32); - } - else { - bufa = in.readBits(segwidth); - bufb = 0; - } - } + int bufa, bufb, len; + + public BitsBuffer() { + len = 0; + } + + public int getLength() { + return len; + } + + public int showBits(int bits) { + if (bits == 0) return 0; + if (len <= 32) { + //huffman_spectral_data_2 needs to read more than may be available, + //bits maybe > len, deliver 0 than + if (len >= bits) return ((bufa >> (len - bits)) & (0xFFFFFFFF >> (32 - bits))); + else return ((bufa << (bits - len)) & (0xFFFFFFFF >> (32 - bits))); + } else { + if ((len - bits) < 32) + return ((bufb & (0xFFFFFFFF >> (64 - len))) << (bits - len + 32)) | (bufa >> (len - bits)); + else return ((bufb >> (len - bits - 32)) & (0xFFFFFFFF >> (32 - bits))); + } + } + + public boolean flushBits(int bits) { + len -= bits; + + boolean b; + if (len < 0) { + len = 0; + b = false; + } else b = true; + return b; + } + + public int getBits(int n) { + int i = showBits(n); + if (!flushBits(n)) i = -1; + return i; + } + + public int getBit() { + int i = showBits(1); + if (!flushBits(1)) i = -1; + return i; + } + + public void rewindReverse() { + if (len == 0) return; + int[] i = HCR.rewindReverse64(bufb, bufa, len); + bufb = i[0]; + bufa = i[1]; + } + + //merge bits of a to b + public void concatBits(BitsBuffer a) { + if (a.len == 0) return; + int al = a.bufa; + int ah = a.bufb; + + int bl, bh; + if (len > 32) { + //mask off superfluous high b bits + bl = bufa; + bh = bufb & ((1 << (len - 32)) - 1); + //left shift a len bits + ah = al << (len - 32); + al = 0; + } else { + bl = bufa & ((1 << (len)) - 1); + bh = 0; + ah = (ah << (len)) | (al >> (32 - len)); + al = al << len; + } + + //merge + bufa = bl | al; + bufb = bh | ah; + + len += a.len; + } + + public void readSegment(int segwidth, BitStream in) { + len = segwidth; + + if (segwidth > 32) { + bufb = in.readBits(segwidth - 32); + bufa = in.readBits(32); + } else { + bufa = in.readBits(segwidth); + bufb = 0; + } + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/error/HCR.java b/src/main/java/net/sourceforge/jaad/aac/error/HCR.java index 762c7b30..3aad843e 100644 --- a/src/main/java/net/sourceforge/jaad/aac/error/HCR.java +++ b/src/main/java/net/sourceforge/jaad/aac/error/HCR.java @@ -3,241 +3,239 @@ import net.sourceforge.jaad.aac.AACException; import net.sourceforge.jaad.aac.huffman.HCB; import net.sourceforge.jaad.aac.syntax.BitStream; -import net.sourceforge.jaad.aac.syntax.Constants; import net.sourceforge.jaad.aac.syntax.ICSInfo; import net.sourceforge.jaad.aac.syntax.ICStream; + /** * Huffman Codeword Reordering * Decodes spectral data for ICStreams if error resilience is used for * section data. */ //TODO: needs decodeSpectralDataER() in BitStream -public class HCR implements Constants { - - private static class Codeword { - - int cb, decoded, sp_offset; - BitsBuffer bits; - - private void fill(int sp, int cb) { - sp_offset = sp; - this.cb = cb; - decoded = 0; - bits = new BitsBuffer(); - } - } - private static final int NUM_CB = 6; - private static final int NUM_CB_ER = 22; - private static final int MAX_CB = 32; - private static final int VCB11_FIRST = 16; - private static final int VCB11_LAST = 31; - private static final int[] PRE_SORT_CB_STD = {11, 9, 7, 5, 3, 1}; - private static final int[] PRE_SORT_CB_ER = {11, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 9, 7, 5, 3, 1}; - private static final int[] MAX_CW_LEN = {0, 11, 9, 20, 16, 13, 11, 14, 12, 17, 14, 49, - 0, 0, 0, 0, 14, 17, 21, 21, 25, 25, 29, 29, 29, 29, 33, 33, 33, 37, 37, 41}; - //bit-twiddling helpers - private static final int[] S = {1, 2, 4, 8, 16}; - private static final int[] B = {0x55555555, 0x33333333, 0x0F0F0F0F, 0x00FF00FF, 0x0000FFFF}; - - //32 bit rewind and reverse - private static int rewindReverse(int v, int len) { - v = ((v>>S[0])&B[0])|((v<>S[1])&B[1])|((v<>S[2])&B[2])|((v<>S[3])&B[3])|((v<>S[4])&B[4])|((v<>= (32-len); - - return v; - } - - //64 bit rewind and reverse - static int[] rewindReverse64(int hi, int lo, int len) { - int[] i = new int[2]; - if(len<=32) { - i[0] = 0; - i[1] = rewindReverse(lo, len); - } - else { - lo = ((lo>>S[0])&B[0])|((lo<>S[0])&B[0])|((hi<>S[1])&B[1])|((lo<>S[1])&B[1])|((hi<>S[2])&B[2])|((lo<>S[2])&B[2])|((hi<>S[3])&B[3])|((lo<>S[3])&B[3])|((hi<>S[4])&B[4])|((lo<>S[4])&B[4])|((hi<>(64-len))|(lo<<(len-32)); - i[1] = lo>>(64-len); - } - return i; - } - - private static boolean isGoodCB(int cb, int sectCB) { - boolean b = false; - if((sectCB>HCB.ZERO_HCB&§CB<=HCB.ESCAPE_HCB)||(sectCB>=VCB11_FIRST&§CB<=VCB11_LAST)) { - if(cbaacSectionDataResilienceFlag - public static void decodeReorderedSpectralData(ICStream ics, BitStream in, short[] spectralData, boolean sectionDataResilience) throws AACException { - final ICSInfo info = ics.getInfo(); - final int windowGroupCount = info.getWindowGroupCount(); - final int maxSFB = info.getMaxSFB(); - final int[] swbOffsets = info.getSWBOffsets(); - final int swbOffsetMax = info.getSWBOffsetMax(); - //TODO: - //final SectionData sectData = ics.getSectionData(); - final int[][] sectStart = null; //sectData.getSectStart(); - final int[][] sectEnd = null; //sectData.getSectEnd(); - final int[] numSec = null; //sectData.getNumSec(); - final int[][] sectCB = null; //sectData.getSectCB(); - final int[][] sectSFBOffsets = null; //info.getSectSFBOffsets(); - - //check parameter - final int spDataLen = ics.getReorderedSpectralDataLength(); - if(spDataLen==0) return; - - final int longestLen = ics.getLongestCodewordLength(); - if(longestLen==0||longestLen>=spDataLen) throw new AACException("length of longest HCR codeword out of range"); - - //create spOffsets - final int[] spOffsets = new int[8]; - final int shortFrameLen = spectralData.length/8; - spOffsets[0] = 0; - int g; - for(g = 1; gsfb)) { - /* check whether codebook used here is the one we want to process */ - thisSectCB = sectCB[g][i]; - - if(isGoodCB(thisCB, thisSectCB)) { - //precalculation - int sect_sfb_size = sectSFBOffsets[g][sfb+1]-sectSFBOffsets[g][sfb]; - int inc = (thisSectCB32) { - segment[segmentsCount-1].bufb = segment[segmentsCount].bufb - +segment[segmentsCount-1].showBits(segment[segmentsCount-1].len-32); - segment[segmentsCount-1].bufa = segment[segmentsCount].bufa - +segment[segmentsCount-1].showBits(32); - } - else { - segment[segmentsCount-1].bufa = segment[segmentsCount].bufa - +segment[segmentsCount-1].showBits(segment[segmentsCount-1].len); - segment[segmentsCount-1].bufb = segment[segmentsCount].bufb; - } - segment[segmentsCount-1].len += additional_bits; - } - bitsread = spDataLen; - PCWs_done = 1; - - codeword[0].fill(sp, thisSectCB); - } - } - else { - codeword[numberOfCodewords-segmentsCount].fill(sp, thisSectCB); - } - numberOfCodewords++; - } - } - } - } - } - } - } - } - - if(segmentsCount==0) throw new AACException("no segments in HCR"); - - final int numberOfSets = numberOfCodewords/segmentsCount; - - //step 2: decode nonPCWs - int trial, codewordBase, segmentID, codewordID; - for(int set = 1; set<=numberOfSets; set++) { - for(trial = 0; trial=numberOfCodewords-segmentsCount) break; - - if((codeword[codewordID].decoded==0)&&(segment[segmentID].len>0)) { - if(codeword[codewordID].bits.len!=0) segment[segmentID].concatBits(codeword[codewordID].bits); - - int tmplen = segment[segmentID].len; +public class HCR { + + private static class Codeword { + + int cb, decoded, sp_offset; + BitsBuffer bits; + + private void fill(int sp, int cb) { + sp_offset = sp; + this.cb = cb; + decoded = 0; + bits = new BitsBuffer(); + } + } + + private static final int NUM_CB = 6; + private static final int NUM_CB_ER = 22; + private static final int MAX_CB = 32; + private static final int VCB11_FIRST = 16; + private static final int VCB11_LAST = 31; + private static final int[] PRE_SORT_CB_STD = {11, 9, 7, 5, 3, 1}; + private static final int[] PRE_SORT_CB_ER = {11, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 9, 7, 5, 3, 1}; + private static final int[] MAX_CW_LEN = {0, 11, 9, 20, 16, 13, 11, 14, 12, 17, 14, 49, + 0, 0, 0, 0, 14, 17, 21, 21, 25, 25, 29, 29, 29, 29, 33, 33, 33, 37, 37, 41}; + //bit-twiddling helpers + private static final int[] S = {1, 2, 4, 8, 16}; + private static final int[] B = {0x55555555, 0x33333333, 0x0F0F0F0F, 0x00FF00FF, 0x0000FFFF}; + + //32 bit rewind and reverse + private static int rewindReverse(int v, int len) { + v = ((v >> S[0]) & B[0]) | ((v << S[0]) & ~B[0]); + v = ((v >> S[1]) & B[1]) | ((v << S[1]) & ~B[1]); + v = ((v >> S[2]) & B[2]) | ((v << S[2]) & ~B[2]); + v = ((v >> S[3]) & B[3]) | ((v << S[3]) & ~B[3]); + v = ((v >> S[4]) & B[4]) | ((v << S[4]) & ~B[4]); + + //shift off low bits + v >>= (32 - len); + + return v; + } + + //64 bit rewind and reverse + static int[] rewindReverse64(int hi, int lo, int len) { + int[] i = new int[2]; + if (len <= 32) { + i[0] = 0; + i[1] = rewindReverse(lo, len); + } else { + lo = ((lo >> S[0]) & B[0]) | ((lo << S[0]) & ~B[0]); + hi = ((hi >> S[0]) & B[0]) | ((hi << S[0]) & ~B[0]); + lo = ((lo >> S[1]) & B[1]) | ((lo << S[1]) & ~B[1]); + hi = ((hi >> S[1]) & B[1]) | ((hi << S[1]) & ~B[1]); + lo = ((lo >> S[2]) & B[2]) | ((lo << S[2]) & ~B[2]); + hi = ((hi >> S[2]) & B[2]) | ((hi << S[2]) & ~B[2]); + lo = ((lo >> S[3]) & B[3]) | ((lo << S[3]) & ~B[3]); + hi = ((hi >> S[3]) & B[3]) | ((hi << S[3]) & ~B[3]); + lo = ((lo >> S[4]) & B[4]) | ((lo << S[4]) & ~B[4]); + hi = ((hi >> S[4]) & B[4]) | ((hi << S[4]) & ~B[4]); + + //shift off low bits + i[1] = (hi >> (64 - len)) | (lo << (len - 32)); + i[1] = lo >> (64 - len); + } + return i; + } + + private static boolean isGoodCB(int cb, int sectCB) { + boolean b = false; + if ((sectCB > HCB.ZERO_HCB && sectCB <= HCB.ESCAPE_HCB) || (sectCB >= VCB11_FIRST && sectCB <= VCB11_LAST)) { + if (cb < HCB.ESCAPE_HCB) b = ((sectCB == cb) || (sectCB == cb + 1)); + else b = (sectCB == cb); + } + return b; + } + + //sectionDataResilience = hDecoder->aacSectionDataResilienceFlag + public static void decodeReorderedSpectralData(ICStream ics, BitStream in, short[] spectralData, boolean sectionDataResilience) { + ICSInfo info = ics.getInfo(); + int windowGroupCount = info.getWindowGroupCount(); + int maxSFB = info.getMaxSFB(); + int[] swbOffsets = info.getSWBOffsets(); + int swbOffsetMax = info.getSWBOffsetMax(); + //TODO: + //final SectionData sectData = ics.getSectionData(); + int[][] sectStart = null; //sectData.getSectStart(); + int[][] sectEnd = null; //sectData.getSectEnd(); + int[] numSec = null; //sectData.getNumSec(); + int[][] sectCB = null; //sectData.getSectCB(); + int[][] sectSFBOffsets = null; //info.getSectSFBOffsets(); + + //check parameter + int spDataLen = ics.getReorderedSpectralDataLength(); + if (spDataLen == 0) return; + + int longestLen = ics.getLongestCodewordLength(); + if (longestLen == 0 || longestLen >= spDataLen) + throw new AACException("length of longest HCR codeword out of range"); + + //create spOffsets + int[] spOffsets = new int[8]; + int shortFrameLen = spectralData.length / 8; + spOffsets[0] = 0; + int g; + for (g = 1; g < windowGroupCount; g++) { + spOffsets[g] = spOffsets[g - 1] + shortFrameLen * info.getWindowGroupLength(g - 1); + } + + Codeword[] codeword = new Codeword[512]; + BitsBuffer[] segment = new BitsBuffer[512]; + + int lastCB; + int[] preSortCB; + if (sectionDataResilience) { + preSortCB = PRE_SORT_CB_ER; + lastCB = NUM_CB_ER; + } else { + preSortCB = PRE_SORT_CB_STD; + lastCB = NUM_CB; + } + + int PCWs_done = 0; + int segmentsCount = 0; + int numberOfCodewords = 0; + int bitsread = 0; + + int sfb, w_idx, i, thisCB, thisSectCB, cws; + //step 1: decode PCW's (set 0), and stuff data in easier-to-use format + for (int sortloop = 0; sortloop < lastCB; sortloop++) { + //select codebook to process this pass + thisCB = preSortCB[sortloop]; + + for (sfb = 0; sfb < maxSFB; sfb++) { + for (w_idx = 0; 4 * w_idx < (Math.min(swbOffsets[sfb + 1], swbOffsetMax) - swbOffsets[sfb]); w_idx++) { + for (g = 0; g < windowGroupCount; g++) { + for (i = 0; i < numSec[g]; i++) { + if ((sectStart[g][i] <= sfb) && (sectEnd[g][i] > sfb)) { + /* check whether codebook used here is the one we want to process */ + thisSectCB = sectCB[g][i]; + + if (isGoodCB(thisCB, thisSectCB)) { + //precalculation + int sect_sfb_size = sectSFBOffsets[g][sfb + 1] - sectSFBOffsets[g][sfb]; + int inc = (thisSectCB < HCB.FIRST_PAIR_HCB) ? 4 : 2; + int group_cws_count = (4 * info.getWindowGroupLength(g)) / inc; + int segwidth = Math.min(MAX_CW_LEN[thisSectCB], longestLen); + + //read codewords until end of sfb or end of window group + for (cws = 0; (cws < group_cws_count) && ((cws + w_idx * group_cws_count) < sect_sfb_size); cws++) { + int sp = spOffsets[g] + sectSFBOffsets[g][sfb] + inc * (cws + w_idx * group_cws_count); + + //read and decode PCW + if (PCWs_done == 0) { + //read in normal segments + if (bitsread + segwidth <= spDataLen) { + segment[segmentsCount].readSegment(segwidth, in); + bitsread += segwidth; + + //Huffman.decodeSpectralDataER(segment[segmentsCount], thisSectCB, spectralData, sp); + + //keep leftover bits + segment[segmentsCount].rewindReverse(); + + segmentsCount++; + } else { + //remaining after last segment + if (bitsread < spDataLen) { + int additional_bits = spDataLen - bitsread; + + segment[segmentsCount].readSegment(additional_bits, in); + segment[segmentsCount].len += segment[segmentsCount - 1].len; + segment[segmentsCount].rewindReverse(); + + if (segment[segmentsCount - 1].len > 32) { + segment[segmentsCount - 1].bufb = segment[segmentsCount].bufb + + segment[segmentsCount - 1].showBits(segment[segmentsCount - 1].len - 32); + segment[segmentsCount - 1].bufa = segment[segmentsCount].bufa + + segment[segmentsCount - 1].showBits(32); + } else { + segment[segmentsCount - 1].bufa = segment[segmentsCount].bufa + + segment[segmentsCount - 1].showBits(segment[segmentsCount - 1].len); + segment[segmentsCount - 1].bufb = segment[segmentsCount].bufb; + } + segment[segmentsCount - 1].len += additional_bits; + } + bitsread = spDataLen; + PCWs_done = 1; + + codeword[0].fill(sp, thisSectCB); + } + } else { + codeword[numberOfCodewords - segmentsCount].fill(sp, thisSectCB); + } + numberOfCodewords++; + } + } + } + } + } + } + } + } + + if (segmentsCount == 0) throw new AACException("no segments in HCR"); + + int numberOfSets = numberOfCodewords / segmentsCount; + + //step 2: decode nonPCWs + int trial, codewordBase, segmentID, codewordID; + for (int set = 1; set <= numberOfSets; set++) { + for (trial = 0; trial < segmentsCount; trial++) { + for (codewordBase = 0; codewordBase < segmentsCount; codewordBase++) { + segmentID = (trial + codewordBase) % segmentsCount; + codewordID = codewordBase + set * segmentsCount - segmentsCount; + + //data up + if (codewordID >= numberOfCodewords - segmentsCount) break; + + if ((codeword[codewordID].decoded == 0) && (segment[segmentID].len > 0)) { + if (codeword[codewordID].bits.len != 0) + segment[segmentID].concatBits(codeword[codewordID].bits); + + int tmplen = segment[segmentID].len; /*int ret = Huffman.decodeSpectralDataER(segment[segmentID], codeword[codewordID].cb, spectralData, codeword[codewordID].sp_offset); @@ -247,12 +245,12 @@ public static void decodeReorderedSpectralData(ICStream ics, BitStream in, short codeword[codewordID].bits.len = tmplen; }*/ - } - } - } - for(i = 0; i>1; - while(ii>=k&&k>0) { - ii -= k; - k >>= 1; - } - ii += k; - } - for(int i = 0; i> 1; + while (ii >= k && k > 0) { + ii -= k; + k >>= 1; + } + ii += k; + } + for (int i = 0; i < length; i++) { + in[i][0] = rev[i][0]; + in[i][1] = rev[i][1]; + } + + // bottom base-4 round + for(int i = 0; i=trans) overlap[mid+4*shortLen+i-length] = (buf[shortLen*7+i]*SHORT_WINDOWS[windowShape][shortLen-1-i])+(buf[shortLen*8+i]*SHORT_WINDOWS[windowShape][i]); - overlap[mid+5*shortLen+i-length] = (buf[shortLen*9+i]*SHORT_WINDOWS[windowShape][shortLen-1-i])+(buf[shortLen*10+i]*SHORT_WINDOWS[windowShape][i]); - overlap[mid+6*shortLen+i-length] = (buf[shortLen*11+i]*SHORT_WINDOWS[windowShape][shortLen-1-i])+(buf[shortLen*12+i]*SHORT_WINDOWS[windowShape][i]); - overlap[mid+7*shortLen+i-length] = (buf[shortLen*13+i]*SHORT_WINDOWS[windowShape][shortLen-1-i])+(buf[shortLen*14+i]*SHORT_WINDOWS[windowShape][i]); - overlap[mid+8*shortLen+i-length] = (buf[shortLen*15+i]*SHORT_WINDOWS[windowShape][shortLen-1-i]); - } - for(i = 0; i=0; i--) { - buf[i] = in[i]*LONG_WINDOWS[windowShapePrev][i]; - buf[i+length] = in[i+length]*LONG_WINDOWS[windowShape][length-1-i]; - } - break; - - case LONG_START_SEQUENCE: - for(i = 0; i= trans) + overlap[mid + 4 * shortLen + i - length] = (buf[shortLen * 7 + i] * SHORT_WINDOWS[windowShape][shortLen - 1 - i]) + (buf[shortLen * 8 + i] * SHORT_WINDOWS[windowShape][i]); + overlap[mid + 5 * shortLen + i - length] = (buf[shortLen * 9 + i] * SHORT_WINDOWS[windowShape][shortLen - 1 - i]) + (buf[shortLen * 10 + i] * SHORT_WINDOWS[windowShape][i]); + overlap[mid + 6 * shortLen + i - length] = (buf[shortLen * 11 + i] * SHORT_WINDOWS[windowShape][shortLen - 1 - i]) + (buf[shortLen * 12 + i] * SHORT_WINDOWS[windowShape][i]); + overlap[mid + 7 * shortLen + i - length] = (buf[shortLen * 13 + i] * SHORT_WINDOWS[windowShape][shortLen - 1 - i]) + (buf[shortLen * 14 + i] * SHORT_WINDOWS[windowShape][i]); + overlap[mid + 8 * shortLen + i - length] = (buf[shortLen * 15 + i] * SHORT_WINDOWS[windowShape][shortLen - 1 - i]); + } + for (int i = 0; i < mid; i++) { + overlap[mid + shortLen + i] = 0; + } + break; + case LONG_STOP_SEQUENCE: + mdctLong.process(in, 0, buf, 0); + // add second half output of previous frame to windowed output of current frame + // construct first half window using padding with 1's and 0's + for (int i = 0; i < mid; i++) { + out[i] = overlap[i]; + } + for (int i = 0; i < shortLen; i++) { + out[mid + i] = overlap[mid + i] + (buf[mid + i] * SHORT_WINDOWS[windowShapePrev][i]); + } + for (int i = 0; i < mid; i++) { + out[mid + shortLen + i] = overlap[mid + shortLen + i] + buf[mid + shortLen + i]; + } + //window the second half and save as overlap for next frame + for (int i = 0; i < length; i++) { + overlap[i] = buf[length + i] * LONG_WINDOWS[windowShape][length - 1 - i]; + } + break; + } + } + + // only for LTP: no overlapping, no short blocks + public void processLTP(WindowSequence windowSequence, int windowShape, int windowShapePrev, float[] in, float[] out) { + switch (windowSequence) { + case ONLY_LONG_SEQUENCE: + for (int i = length - 1; i >= 0; i--) { + buf[i] = in[i] * LONG_WINDOWS[windowShapePrev][i]; + buf[i + length] = in[i + length] * LONG_WINDOWS[windowShape][length - 1 - i]; + } + break; + + case LONG_START_SEQUENCE: + for (int i = 0; i < length; i++) { + buf[i] = in[i] * LONG_WINDOWS[windowShapePrev][i]; + } + for (int i = 0; i < mid; i++) { + buf[i + length] = in[i + length]; + } + for (int i = 0; i < shortLen; i++) { + buf[i + length + mid] = in[i + length + mid] * SHORT_WINDOWS[windowShape][shortLen - 1 - i]; + } + for (int i = 0; i < mid; i++) { + buf[i + length + mid + shortLen] = 0; + } + break; + + case LONG_STOP_SEQUENCE: + for (int i = 0; i < mid; i++) { + buf[i] = 0; + } + for (int i = 0; i < shortLen; i++) { + buf[i + mid] = in[i + mid] * SHORT_WINDOWS[windowShapePrev][i]; + } + for (int i = 0; i < mid; i++) { + buf[i + mid + shortLen] = in[i + mid + shortLen]; + } + for (int i = 0; i < length; i++) { + buf[i + length] = in[i + length] * LONG_WINDOWS[windowShape][length - 1 - i]; + } + break; + } + mdctLong.processForward(buf, out); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/filterbank/KBDWindows.java b/src/main/java/net/sourceforge/jaad/aac/filterbank/KBDWindows.java index 59869746..5c7d23fb 100644 --- a/src/main/java/net/sourceforge/jaad/aac/filterbank/KBDWindows.java +++ b/src/main/java/net/sourceforge/jaad/aac/filterbank/KBDWindows.java @@ -2,2244 +2,2244 @@ interface KBDWindows { - float[] KBD_1024 = { - 0.00029256153896361f, - 0.00042998567353047f, - 0.00054674074589540f, - 0.00065482304299792f, - 0.00075870195068747f, - 0.00086059331713336f, - 0.00096177541439010f, - 0.0010630609410878f, - 0.0011650036308132f, - 0.0012680012194148f, - 0.0013723517232956f, - 0.0014782864109136f, - 0.0015859901976719f, - 0.0016956148252373f, - 0.0018072876903517f, - 0.0019211179405514f, - 0.0020372007924215f, - 0.0021556206591754f, - 0.0022764534599614f, - 0.0023997683540995f, - 0.0025256290631156f, - 0.0026540948920831f, - 0.0027852215281403f, - 0.0029190616715331f, - 0.0030556655443223f, - 0.0031950812943391f, - 0.0033373553240392f, - 0.0034825325586930f, - 0.0036306566699199f, - 0.0037817702604646f, - 0.0039359150179719f, - 0.0040931318437260f, - 0.0042534609610026f, - 0.0044169420066964f, - 0.0045836141091341f, - 0.0047535159544086f, - 0.0049266858431214f, - 0.0051031617390698f, - 0.0052829813111335f, - 0.0054661819693975f, - 0.0056528008963682f, - 0.0058428750739943f, - 0.0060364413070882f, - 0.0062335362436492f, - 0.0064341963925079f, - 0.0066384581386503f, - 0.0068463577565218f, - 0.0070579314215715f, - 0.0072732152202559f, - 0.0074922451586909f, - 0.0077150571701162f, - 0.0079416871213115f, - 0.0081721708180857f, - 0.0084065440099458f, - 0.0086448423940363f, - 0.0088871016184291f, - 0.0091333572848345f, - 0.0093836449507939f, - 0.0096380001314086f, - 0.0098964583006517f, - 0.010159054892306f, - 0.010425825300561f, - 0.010696804880310f, - 0.010972028947167f, - 0.011251532777236f, - 0.011535351606646f, - 0.011823520630897f, - 0.012116075003993f, - 0.012413049837429f, - 0.012714480198999f, - 0.013020401111478f, - 0.013330847551161f, - 0.013645854446288f, - 0.013965456675352f, - 0.014289689065314f, - 0.014618586389712f, - 0.014952183366697f, - 0.015290514656976f, - 0.015633614861688f, - 0.015981518520214f, - 0.016334260107915f, - 0.016691874033817f, - 0.017054394638241f, - 0.017421856190380f, - 0.017794292885832f, - 0.018171738844085f, - 0.018554228105962f, - 0.018941794631032f, - 0.019334472294980f, - 0.019732294886947f, - 0.020135296106839f, - 0.020543509562604f, 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0.083420691446553f, - 0.084430544593841f, - 0.085447927595483f, - 0.086472852422178f, - 0.087505330686900f, - 0.088545373642744f, - 0.089592992180780f, - 0.090648196827937f, - 0.091710997744919f, - 0.092781404724131f, - 0.093859427187640f, - 0.094945074185163f, - 0.096038354392069f, - 0.097139276107423f, - 0.098247847252041f, - 0.099364075366580f, - 0.10048796760965f, - 0.10161953075597f, - 0.10275877119451f, - 0.10390569492671f, - 0.10506030756469f, - 0.10622261432949f, - 0.10739262004941f, - 0.10857032915821f, - 0.10975574569357f, - 0.11094887329534f, - 0.11214971520402f, - 0.11335827425914f, - 0.11457455289772f, - 0.11579855315274f, - 0.11703027665170f, - 0.11826972461510f, - 0.11951689785504f, - 0.12077179677383f, - 0.12203442136263f, - 0.12330477120008f, - 0.12458284545102f, - 0.12586864286523f, - 0.12716216177615f, - 0.12846340009971f, - 0.12977235533312f, - 0.13108902455375f, - 0.13241340441801f, - 0.13374549116025f, - 0.13508528059173f, - 0.13643276809961f, - 0.13778794864595f, 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0.9966283562984427f, + 0.9973428292485683f, + 0.9979247458259197f, + 0.9983945309245774f, + 0.9987703055583410f, + 0.9990679892449266f, + 0.9993014277313617f, + 0.9994825400228521f, + 0.9996214788122335f, + 0.9997267987294857f, + 0.9998056273097539f, + 0.9998638341781910f, + 0.9999061946325793f, + 0.9999365445321382f, + 0.9999579241373735f, + 0.9999727092594598f, + 0.9999827287418790f, + 0.9999893678912771f, + 0.9999936579844555f, + 0.9999963523959187f, + 0.9999979902130101f, + 0.9999989484358076f, + 0.9999994840031031f, + 0.9999997669534347f, + 0.9999999060327799f, + 0.9999999680107184f, + 0.9999999918774242f, + 0.9999999989770326f + }; } diff --git a/src/main/java/net/sourceforge/jaad/aac/filterbank/MDCT.java b/src/main/java/net/sourceforge/jaad/aac/filterbank/MDCT.java index 309eb77b..324a1c97 100644 --- a/src/main/java/net/sourceforge/jaad/aac/filterbank/MDCT.java +++ b/src/main/java/net/sourceforge/jaad/aac/filterbank/MDCT.java @@ -2,125 +2,124 @@ import net.sourceforge.jaad.aac.AACException; + class MDCT implements MDCTTables { - private final int N, N2, N4, N8; - private final float[][] sincos; - private final FFT fft; - private final float[][] buf; - private final float[] tmp; - - MDCT(int length) throws AACException { - N = length; - N2 = length>>1; - N4 = length>>2; - N8 = length>>3; - switch(length) { - case 2048: - sincos = MDCT_TABLE_2048; - break; - case 256: - sincos = MDCT_TABLE_128; - break; - case 1920: - sincos = MDCT_TABLE_1920; - break; - case 240: - sincos = MDCT_TABLE_240; - default: - throw new AACException("unsupported MDCT length: "+length); - } - fft = new FFT(N4); - buf = new float[N4][2]; - tmp = new float[2]; - } - - void process(float[] in, int inOff, float[] out, int outOff) { - int k; - - //pre-IFFT complex multiplication - for(k = 0; k> 1; + N4 = length >> 2; + N8 = length >> 3; + switch (length) { + case 2048: + sincos = MDCT_TABLE_2048; + break; + case 256: + sincos = MDCT_TABLE_128; + break; + case 1920: + sincos = MDCT_TABLE_1920; + break; + case 240: + sincos = MDCT_TABLE_240; + default: + throw new AACException("unsupported MDCT length: " + length); + } + fft = new FFT(N4); + buf = new float[N4][2]; + tmp = new float[2]; + } + + void process(float[] in, int inOff, float[] out, int outOff) { + + // pre-IFFT complex multiplication + for (int k = 0; k < N4; k++) { + buf[k][1] = (in[inOff + 2 * k] * sincos[k][0]) + (in[inOff + N2 - 1 - 2 * k] * sincos[k][1]); + buf[k][0] = (in[inOff + N2 - 1 - 2 * k] * sincos[k][0]) - (in[inOff + 2 * k] * sincos[k][1]); + } + + // complex IFFT, non-scaling + fft.process(buf, false); + + // post-IFFT complex multiplication + for (int k = 0; k < N4; k++) { + tmp[0] = buf[k][0]; + tmp[1] = buf[k][1]; + buf[k][1] = (tmp[1] * sincos[k][0]) + (tmp[0] * sincos[k][1]); + buf[k][0] = (tmp[0] * sincos[k][0]) - (tmp[1] * sincos[k][1]); + } + + // reordering + for (int k = 0; k < N8; k += 2) { + out[outOff + 2 * k] = buf[N8 + k][1]; + out[outOff + 2 + 2 * k] = buf[N8 + 1 + k][1]; + + out[outOff + 1 + 2 * k] = -buf[N8 - 1 - k][0]; + out[outOff + 3 + 2 * k] = -buf[N8 - 2 - k][0]; + + out[outOff + N4 + 2 * k] = buf[k][0]; + out[outOff + N4 + 2 + 2 * k] = buf[1 + k][0]; + + out[outOff + N4 + 1 + 2 * k] = -buf[N4 - 1 - k][1]; + out[outOff + N4 + 3 + 2 * k] = -buf[N4 - 2 - k][1]; + + out[outOff + N2 + 2 * k] = buf[N8 + k][0]; + out[outOff + N2 + 2 + 2 * k] = buf[N8 + 1 + k][0]; + + out[outOff + N2 + 1 + 2 * k] = -buf[N8 - 1 - k][1]; + out[outOff + N2 + 3 + 2 * k] = -buf[N8 - 2 - k][1]; + + out[outOff + N2 + N4 + 2 * k] = -buf[k][1]; + out[outOff + N2 + N4 + 2 + 2 * k] = -buf[1 + k][1]; + + out[outOff + N2 + N4 + 1 + 2 * k] = buf[N4 - 1 - k][0]; + out[outOff + N2 + N4 + 3 + 2 * k] = buf[N4 - 2 - k][0]; + } + } + + void processForward(float[] in, float[] out) { + // pre-FFT complex multiplication + for (int k = 0; k < N8; k++) { + int n = k << 1; + tmp[0] = in[N - N4 - 1 - n] + in[N - N4 + n]; + tmp[1] = in[N4 + n] - in[N4 - 1 - n]; + + buf[k][0] = (tmp[0] * sincos[k][0]) + (tmp[1] * sincos[k][1]); + buf[k][1] = (tmp[1] * sincos[k][0]) - (tmp[0] * sincos[k][1]); + + buf[k][0] *= N; + buf[k][1] *= N; + + tmp[0] = in[N2 - 1 - n] - in[n]; + tmp[1] = in[N2 + n] + in[N - 1 - n]; + + buf[k + N8][0] = (tmp[0] * sincos[k + N8][0]) + (tmp[1] * sincos[k + N8][1]); + buf[k + N8][1] = (tmp[1] * sincos[k + N8][0]) - (tmp[0] * sincos[k + N8][1]); + + buf[k + N8][0] *= N; + buf[k + N8][1] *= N; + } + + // complex FFT, non-scaling + fft.process(buf, true); + + // post-FFT complex multiplication + for (int k = 0; k < N4; k++) { + int n = k << 1; + + tmp[0] = (buf[k][0] * sincos[k][0]) + (buf[k][1] * sincos[k][1]); + tmp[1] = (buf[k][1] * sincos[k][0]) - (buf[k][0] * sincos[k][1]); + + out[n] = -tmp[0]; + out[N2 - 1 - n] = tmp[1]; + out[N2 + n] = -tmp[1]; + out[N - 1 - n] = tmp[0]; + } + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/filterbank/MDCTTables.java b/src/main/java/net/sourceforge/jaad/aac/filterbank/MDCTTables.java index a8e5648f..221aa70c 100644 --- a/src/main/java/net/sourceforge/jaad/aac/filterbank/MDCTTables.java +++ b/src/main/java/net/sourceforge/jaad/aac/filterbank/MDCTTables.java @@ -2,1128 +2,1128 @@ interface MDCTTables { - float[][] MDCT_TABLE_2048 = { - {0.031249997702054f, 0.000011984224612f}, - {0.031249813866531f, 0.000107857810004f}, - {0.031249335895858f, 0.000203730380198f}, - {0.031248563794535f, 0.000299601032804f}, - {0.031247497569829f, 0.000395468865451f}, - {0.031246137231775f, 0.000491332975794f}, - {0.031244482793177f, 0.000587192461525f}, - {0.031242534269608f, 0.000683046420376f}, - {0.031240291679407f, 0.000778893950134f}, - {0.031237755043684f, 0.000874734148645f}, - {0.031234924386313f, 0.000970566113826f}, - {0.031231799733938f, 0.001066388943669f}, - {0.031228381115970f, 0.001162201736253f}, - {0.031224668564585f, 0.001258003589751f}, - {0.031220662114728f, 0.001353793602441f}, - {0.031216361804108f, 0.001449570872710f}, - {0.031211767673203f, 0.001545334499065f}, - {0.031206879765253f, 0.001641083580144f}, - {0.031201698126266f, 0.001736817214719f}, - {0.031196222805014f, 0.001832534501709f}, - {0.031190453853031f, 0.001928234540186f}, - {0.031184391324617f, 0.002023916429386f}, - {0.031178035276836f, 0.002119579268713f}, - {0.031171385769513f, 0.002215222157753f}, - {0.031164442865236f, 0.002310844196278f}, - {0.031157206629353f, 0.002406444484258f}, - {0.031149677129975f, 0.002502022121865f}, - {0.031141854437973f, 0.002597576209488f}, - {0.031133738626977f, 0.002693105847734f}, - {0.031125329773375f, 0.002788610137442f}, - {0.031116627956316f, 0.002884088179689f}, - {0.031107633257703f, 0.002979539075801f}, - {0.031098345762200f, 0.003074961927355f}, - {0.031088765557222f, 0.003170355836197f}, - {0.031078892732942f, 0.003265719904442f}, - {0.031068727382288f, 0.003361053234488f}, - {0.031058269600939f, 0.003456354929021f}, - {0.031047519487329f, 0.003551624091024f}, - {0.031036477142640f, 0.003646859823790f}, - {0.031025142670809f, 0.003742061230921f}, - {0.031013516178519f, 0.003837227416347f}, - {0.031001597775203f, 0.003932357484328f}, - {0.030989387573042f, 0.004027450539462f}, - {0.030976885686963f, 0.004122505686697f}, - {0.030964092234638f, 0.004217522031340f}, - {0.030951007336485f, 0.004312498679058f}, - {0.030937631115663f, 0.004407434735897f}, - {0.030923963698074f, 0.004502329308281f}, - {0.030910005212362f, 0.004597181503027f}, - {0.030895755789908f, 0.004691990427350f}, - {0.030881215564835f, 0.004786755188872f}, - {0.030866384674000f, 0.004881474895632f}, - {0.030851263256996f, 0.004976148656090f}, - {0.030835851456154f, 0.005070775579142f}, - {0.030820149416533f, 0.005165354774124f}, - {0.030804157285929f, 0.005259885350819f}, - {0.030787875214864f, 0.005354366419469f}, - {0.030771303356593f, 0.005448797090784f}, - {0.030754441867095f, 0.005543176475946f}, - {0.030737290905077f, 0.005637503686619f}, - {0.030719850631972f, 0.005731777834961f}, - {0.030702121211932f, 0.005825998033626f}, - {0.030684102811835f, 0.005920163395780f}, - {0.030665795601276f, 0.006014273035101f}, - {0.030647199752570f, 0.006108326065793f}, - {0.030628315440748f, 0.006202321602594f}, - {0.030609142843557f, 0.006296258760782f}, - {0.030589682141455f, 0.006390136656185f}, - {0.030569933517616f, 0.006483954405188f}, - {0.030549897157919f, 0.006577711124743f}, - {0.030529573250956f, 0.006671405932375f}, - {0.030508961988022f, 0.006765037946194f}, - {0.030488063563118f, 0.006858606284900f}, - {0.030466878172949f, 0.006952110067791f}, - {0.030445406016919f, 0.007045548414774f}, - {0.030423647297133f, 0.007138920446372f}, - {0.030401602218392f, 0.007232225283733f}, - {0.030379270988192f, 0.007325462048634f}, - {0.030356653816724f, 0.007418629863497f}, - {0.030333750916869f, 0.007511727851390f}, - {0.030310562504198f, 0.007604755136040f}, - {0.030287088796968f, 0.007697710841838f}, - {0.030263330016124f, 0.007790594093851f}, - {0.030239286385293f, 0.007883404017824f}, - {0.030214958130781f, 0.007976139740197f}, - {0.030190345481576f, 0.008068800388104f}, - {0.030165448669342f, 0.008161385089390f}, - {0.030140267928416f, 0.008253892972610f}, - {0.030114803495809f, 0.008346323167047f}, - {0.030089055611203f, 0.008438674802711f}, - {0.030063024516947f, 0.008530947010354f}, - {0.030036710458054f, 0.008623138921475f}, - {0.030010113682202f, 0.008715249668328f}, - {0.029983234439732f, 0.008807278383932f}, - {0.029956072983640f, 0.008899224202078f}, - {0.029928629569580f, 0.008991086257336f}, - {0.029900904455860f, 0.009082863685067f}, - {0.029872897903441f, 0.009174555621425f}, - {0.029844610175929f, 0.009266161203371f}, - {0.029816041539579f, 0.009357679568679f}, - {0.029787192263292f, 0.009449109855944f}, - {0.029758062618606f, 0.009540451204587f}, - {0.029728652879702f, 0.009631702754871f}, - {0.029698963323395f, 0.009722863647900f}, - {0.029668994229134f, 0.009813933025633f}, - {0.029638745879000f, 0.009904910030891f}, - {0.029608218557702f, 0.009995793807363f}, - {0.029577412552575f, 0.010086583499618f}, - {0.029546328153577f, 0.010177278253107f}, - {0.029514965653285f, 0.010267877214177f}, - {0.029483325346896f, 0.010358379530076f}, - {0.029451407532220f, 0.010448784348962f}, - {0.029419212509679f, 0.010539090819911f}, - {0.029386740582307f, 0.010629298092923f}, - {0.029353992055740f, 0.010719405318933f}, - {0.029320967238220f, 0.010809411649818f}, - {0.029287666440590f, 0.010899316238403f}, - {0.029254089976290f, 0.010989118238474f}, - {0.029220238161353f, 0.011078816804778f}, - {0.029186111314406f, 0.011168411093039f}, - {0.029151709756664f, 0.011257900259961f}, - {0.029117033811927f, 0.011347283463239f}, - {0.029082083806579f, 0.011436559861563f}, - {0.029046860069582f, 0.011525728614630f}, - {0.029011362932476f, 0.011614788883150f}, - {0.028975592729373f, 0.011703739828853f}, - {0.028939549796957f, 0.011792580614500f}, - {0.028903234474475f, 0.011881310403886f}, - {0.028866647103744f, 0.011969928361855f}, - {0.028829788029135f, 0.012058433654299f}, - {0.028792657597583f, 0.012146825448172f}, - {0.028755256158571f, 0.012235102911499f}, - {0.028717584064137f, 0.012323265213377f}, - {0.028679641668864f, 0.012411311523990f}, - {0.028641429329882f, 0.012499241014612f}, - {0.028602947406859f, 0.012587052857618f}, - {0.028564196262001f, 0.012674746226488f}, - {0.028525176260050f, 0.012762320295819f}, - {0.028485887768276f, 0.012849774241331f}, - {0.028446331156478f, 0.012937107239875f}, - {0.028406506796976f, 0.013024318469437f}, - {0.028366415064615f, 0.013111407109155f}, - {0.028326056336751f, 0.013198372339315f}, - {0.028285430993258f, 0.013285213341368f}, - {0.028244539416515f, 0.013371929297933f}, - {0.028203381991411f, 0.013458519392807f}, - {0.028161959105334f, 0.013544982810971f}, - {0.028120271148172f, 0.013631318738598f}, - {0.028078318512309f, 0.013717526363062f}, - {0.028036101592619f, 0.013803604872943f}, - {0.027993620786463f, 0.013889553458039f}, - {0.027950876493687f, 0.013975371309367f}, - {0.027907869116616f, 0.014061057619178f}, - {0.027864599060052f, 0.014146611580959f}, - {0.027821066731270f, 0.014232032389445f}, - {0.027777272540012f, 0.014317319240622f}, - {0.027733216898487f, 0.014402471331737f}, - {0.027688900221361f, 0.014487487861307f}, - {0.027644322925762f, 0.014572368029123f}, - {0.027599485431266f, 0.014657111036262f}, - {0.027554388159903f, 0.014741716085090f}, - {0.027509031536144f, 0.014826182379271f}, - {0.027463415986904f, 0.014910509123778f}, - {0.027417541941533f, 0.014994695524894f}, - {0.027371409831816f, 0.015078740790225f}, - {0.027325020091965f, 0.015162644128704f}, - {0.027278373158618f, 0.015246404750603f}, - {0.027231469470833f, 0.015330021867534f}, - {0.027184309470088f, 0.015413494692460f}, - {0.027136893600268f, 0.015496822439704f}, - {0.027089222307671f, 0.015580004324954f}, - {0.027041296040997f, 0.015663039565269f}, - {0.026993115251345f, 0.015745927379091f}, - {0.026944680392213f, 0.015828666986247f}, - {0.026895991919487f, 0.015911257607961f}, - {0.026847050291442f, 0.015993698466859f}, - {0.026797855968734f, 0.016075988786976f}, - {0.026748409414401f, 0.016158127793763f}, - {0.026698711093851f, 0.016240114714099f}, - {0.026648761474864f, 0.016321948776289f}, - {0.026598561027585f, 0.016403629210082f}, - {0.026548110224519f, 0.016485155246669f}, - {0.026497409540530f, 0.016566526118696f}, - {0.026446459452830f, 0.016647741060271f}, - {0.026395260440982f, 0.016728799306966f}, - {0.026343812986890f, 0.016809700095831f}, - {0.026292117574797f, 0.016890442665397f}, - {0.026240174691280f, 0.016971026255683f}, - {0.026187984825246f, 0.017051450108208f}, - {0.026135548467924f, 0.017131713465990f}, - {0.026082866112867f, 0.017211815573560f}, - {0.026029938255941f, 0.017291755676967f}, - {0.025976765395322f, 0.017371533023784f}, - {0.025923348031494f, 0.017451146863116f}, - {0.025869686667242f, 0.017530596445607f}, - {0.025815781807646f, 0.017609881023449f}, - {0.025761633960080f, 0.017688999850383f}, - {0.025707243634204f, 0.017767952181715f}, - {0.025652611341960f, 0.017846737274313f}, - {0.025597737597568f, 0.017925354386623f}, - {0.025542622917522f, 0.018003802778671f}, - {0.025487267820581f, 0.018082081712071f}, - {0.025431672827768f, 0.018160190450031f}, - {0.025375838462365f, 0.018238128257362f}, - {0.025319765249906f, 0.018315894400484f}, - {0.025263453718173f, 0.018393488147432f}, - {0.025206904397193f, 0.018470908767865f}, - {0.025150117819228f, 0.018548155533070f}, - {0.025093094518776f, 0.018625227715971f}, - {0.025035835032562f, 0.018702124591135f}, - {0.024978339899534f, 0.018778845434780f}, - {0.024920609660858f, 0.018855389524780f}, - {0.024862644859912f, 0.018931756140672f}, - {0.024804446042284f, 0.019007944563666f}, - {0.024746013755764f, 0.019083954076646f}, - {0.024687348550337f, 0.019159783964183f}, - {0.024628450978184f, 0.019235433512536f}, - {0.024569321593670f, 0.019310902009663f}, - {0.024509960953345f, 0.019386188745225f}, - {0.024450369615932f, 0.019461293010596f}, - {0.024390548142329f, 0.019536214098866f}, - {0.024330497095598f, 0.019610951304848f}, - {0.024270217040961f, 0.019685503925087f}, - {0.024209708545799f, 0.019759871257867f}, - {0.024148972179639f, 0.019834052603212f}, - {0.024088008514157f, 0.019908047262901f}, - {0.024026818123164f, 0.019981854540467f}, - {0.023965401582609f, 0.020055473741208f}, - {0.023903759470567f, 0.020128904172192f}, - {0.023841892367236f, 0.020202145142264f}, - {0.023779800854935f, 0.020275195962052f}, - {0.023717485518092f, 0.020348055943974f}, - {0.023654946943242f, 0.020420724402244f}, - {0.023592185719023f, 0.020493200652878f}, - {0.023529202436167f, 0.020565484013703f}, - {0.023465997687496f, 0.020637573804361f}, - {0.023402572067918f, 0.020709469346314f}, - {0.023338926174419f, 0.020781169962854f}, - {0.023275060606058f, 0.020852674979108f}, - {0.023210975963963f, 0.020923983722044f}, - {0.023146672851322f, 0.020995095520475f}, - {0.023082151873380f, 0.021066009705072f}, - {0.023017413637435f, 0.021136725608363f}, - {0.022952458752826f, 0.021207242564742f}, - {0.022887287830934f, 0.021277559910478f}, - {0.022821901485173f, 0.021347676983716f}, - {0.022756300330983f, 0.021417593124488f}, - {0.022690484985827f, 0.021487307674717f}, - {0.022624456069185f, 0.021556819978223f}, - {0.022558214202547f, 0.021626129380729f}, - {0.022491760009405f, 0.021695235229869f}, - {0.022425094115252f, 0.021764136875192f}, - {0.022358217147572f, 0.021832833668171f}, - {0.022291129735838f, 0.021901324962204f}, - {0.022223832511501f, 0.021969610112625f}, - {0.022156326107988f, 0.022037688476709f}, - {0.022088611160696f, 0.022105559413676f}, - {0.022020688306983f, 0.022173222284699f}, - {0.021952558186166f, 0.022240676452909f}, - {0.021884221439510f, 0.022307921283403f}, - {0.021815678710228f, 0.022374956143245f}, - {0.021746930643469f, 0.022441780401478f}, - {0.021677977886316f, 0.022508393429127f}, - {0.021608821087780f, 0.022574794599206f}, - {0.021539460898790f, 0.022640983286719f}, - {0.021469897972190f, 0.022706958868676f}, - {0.021400132962735f, 0.022772720724087f}, - {0.021330166527077f, 0.022838268233979f}, - {0.021259999323769f, 0.022903600781391f}, - {0.021189632013250f, 0.022968717751391f}, - {0.021119065257845f, 0.023033618531071f}, - {0.021048299721754f, 0.023098302509561f}, - {0.020977336071050f, 0.023162769078031f}, - {0.020906174973670f, 0.023227017629698f}, - {0.020834817099409f, 0.023291047559828f}, - {0.020763263119915f, 0.023354858265748f}, - {0.020691513708680f, 0.023418449146848f}, - {0.020619569541038f, 0.023481819604585f}, - {0.020547431294155f, 0.023544969042494f}, - {0.020475099647023f, 0.023607896866186f}, - {0.020402575280455f, 0.023670602483363f}, - {0.020329858877078f, 0.023733085303813f}, - {0.020256951121327f, 0.023795344739427f}, - {0.020183852699437f, 0.023857380204193f}, - {0.020110564299439f, 0.023919191114211f}, - {0.020037086611150f, 0.023980776887692f}, - {0.019963420326171f, 0.024042136944968f}, - 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float[][] MDCT_TABLE_240 = { + {0.091286604111815f, 0.000298735779793f}, + {0.091247502481454f, 0.002688238127538f}, + {0.091145864370807f, 0.005075898091152f}, + {0.090981759437558f, 0.007460079287760f}, + {0.090755300151030f, 0.009839147718664f}, + {0.090466641715108f, 0.012211472889198f}, + {0.090115981961863f, 0.014575428926191f}, + {0.089703561215976f, 0.016929395692256f}, + {0.089229662130024f, 0.019271759896156f}, + {0.088694609490769f, 0.021600916198470f}, + {0.088098769996564f, 0.023915268311810f}, + {0.087442552006035f, 0.026213230094844f}, + {0.086726405258214f, 0.028493226639351f}, + {0.085950820564309f, 0.030753695349588f}, + {0.085116329471329f, 0.032993087013213f}, + {0.084223503897785f, 0.035209866863042f}, + {0.083272955741727f, 0.037402515628894f}, + {0.082265336461381f, 0.039569530578832f}, + {0.081201336628670f, 0.041709426549053f}, + {0.080081685455930f, 0.043820736961749f}, + {0.078907150296148f, 0.045902014830227f}, + {0.077678536117054f, 0.047951833750597f}, + 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b/src/main/java/net/sourceforge/jaad/aac/filterbank/SineWindows.java @@ -2,2244 +2,2244 @@ interface SineWindows { - float[] SINE_1024 = { - 0.00076699031874270449f, - 0.002300969151425805f, - 0.0038349425697062275f, - 0.0053689069639963425f, - 0.0069028587247297558f, - 0.0084367942423697988f, - 0.0099707099074180308f, - 0.011504602110422714f, - 0.013038467241987334f, - 0.014572301692779064f, - 0.016106101853537287f, - 0.017639864115082053f, - 0.019173584868322623f, - 0.020707260504265895f, - 0.022240887414024961f, - 0.023774461988827555f, - 0.025307980620024571f, - 0.026841439699098531f, - 0.028374835617672099f, - 0.029908164767516555f, - 0.031441423540560301f, - 0.032974608328897335f, - 0.03450771552479575f, - 0.036040741520706229f, - 0.037573682709270494f, - 0.039106535483329888f, - 0.040639296235933736f, - 0.042171961360347947f, - 0.043704527250063421f, - 0.04523699029880459f, - 0.046769346900537863f, - 0.048301593449480144f, - 0.049833726340107277f, - 0.051365741967162593f, - 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0.75613908178032285f, + 0.76464027615900032f, + 0.77301045336273699f, + 0.78124817920475853f, + 0.78935204219315003f, + 0.79732065377270711f, + 0.80515264856285829f, + 0.81284668459161513f, + 0.82040144352551359f, + 0.82781563089550203f, + 0.83508797631874299f, + 0.84221723371628654f, + 0.84920218152657889f, + 0.85604162291477137f, + 0.86273438597779184f, + 0.86927932394514362f, + 0.87567531537539967f, + 0.88192126434835494f, + 0.88801610065280734f, + 0.89395877996993212f, + 0.8997482840522214f, + 0.90538362089795521f, + 0.91086382492117568f, + 0.91618795711713596f, + 0.92135510522319242f, + 0.9263643838751181f, + 0.93121493475880346f, + 0.93590592675732565f, + 0.94043655609335486f, + 0.94480604646687805f, + 0.94901364918821385f, + 0.95305864330629697f, + 0.95694033573220882f, + 0.9606580613579353f, + 0.96421118317032928f, + 0.96759909236025976f, + 0.9708212084269281f, + 0.97387697927733363f, + 0.97676588132087239f, + 0.97948741955905139f, + 0.98204112767030394f, + 0.98442656808989171f, + 0.98664333208487898f, + 0.98869103982416728f, + 0.99056934044357725f, + 0.99227791210596705f, + 0.99381646205637808f, + 0.99518472667219682f, + 0.99638247150832537f, + 0.99740949133735191f, + 0.99826561018471593f, + 0.99895068135886012f, + 0.99946458747636568f, + 0.99980724048206482f, + 0.99997858166412923f + }; } diff --git a/src/main/java/net/sourceforge/jaad/aac/gain/FFT.java b/src/main/java/net/sourceforge/jaad/aac/gain/FFT.java index 210a89de..83efa5d6 100644 --- a/src/main/java/net/sourceforge/jaad/aac/gain/FFT.java +++ b/src/main/java/net/sourceforge/jaad/aac/gain/FFT.java @@ -3,132 +3,129 @@ //complex FFT of length 128/16, inplace class FFT { - private static final float[][] FFT_TABLE_128 = { - {1.0f, -0.0f}, - {0.99879545f, -0.049067676f}, - {0.9951847f, -0.09801714f}, - {0.9891765f, -0.14673047f}, - {0.98078525f, -0.19509032f}, - {0.97003126f, -0.24298018f}, - {0.95694035f, -0.29028466f}, - {0.94154406f, -0.33688986f}, - {0.9238795f, -0.38268343f}, - {0.9039893f, -0.42755508f}, - {0.8819213f, -0.47139674f}, - {0.8577286f, -0.51410276f}, - {0.8314696f, -0.55557024f}, - {0.8032075f, -0.5956993f}, - {0.77301043f, -0.6343933f}, - {0.7409511f, -0.671559f}, - {0.70710677f, -0.70710677f}, - {0.671559f, -0.7409511f}, - {0.6343933f, -0.77301043f}, - {0.5956993f, -0.8032075f}, - {0.55557024f, -0.8314696f}, - {0.51410276f, -0.8577286f}, - {0.47139674f, -0.8819213f}, - {0.42755508f, -0.9039893f}, - {0.38268343f, -0.9238795f}, - {0.33688986f, -0.94154406f}, - {0.29028466f, -0.95694035f}, - {0.24298018f, -0.97003126f}, - {0.19509032f, -0.98078525f}, - {0.14673047f, -0.9891765f}, - {0.09801714f, -0.9951847f}, - {0.049067676f, -0.99879545f}, - {6.123234E-17f, -1.0f}, - {-0.049067676f, -0.99879545f}, - {-0.09801714f, -0.9951847f}, - {-0.14673047f, -0.9891765f}, - {-0.19509032f, -0.98078525f}, - {-0.24298018f, -0.97003126f}, - {-0.29028466f, -0.95694035f}, - {-0.33688986f, -0.94154406f}, - {-0.38268343f, -0.9238795f}, - {-0.42755508f, -0.9039893f}, - {-0.47139674f, -0.8819213f}, - {-0.51410276f, -0.8577286f}, - {-0.55557024f, -0.8314696f}, - {-0.5956993f, -0.8032075f}, - {-0.6343933f, -0.77301043f}, - {-0.671559f, -0.7409511f}, - {-0.70710677f, -0.70710677f}, - {-0.7409511f, -0.671559f}, - {-0.77301043f, -0.6343933f}, - {-0.8032075f, -0.5956993f}, - {-0.8314696f, -0.55557024f}, - {-0.8577286f, -0.51410276f}, - {-0.8819213f, -0.47139674f}, - {-0.9039893f, -0.42755508f}, - {-0.9238795f, -0.38268343f}, - {-0.94154406f, -0.33688986f}, - {-0.95694035f, -0.29028466f}, - {-0.97003126f, -0.24298018f}, - {-0.98078525f, -0.19509032f}, - {-0.9891765f, -0.14673047f}, - {-0.9951847f, -0.09801714f}, - {-0.99879545f, -0.049067676f} - }; - private static final float[][] FFT_TABLE_16 = { - {1.0f, -0.0f}, - {0.9238795f, -0.38268343f}, - {0.70710677f, -0.70710677f}, - {0.38268343f, -0.9238795f}, - {6.123234E-17f, -1.0f}, - {-0.38268343f, -0.9238795f}, - {-0.70710677f, -0.70710677f}, - {-0.9238795f, -0.38268343f} - }; + private static final float[][] FFT_TABLE_128 = { + {1.0f, -0.0f}, + {0.99879545f, -0.049067676f}, + {0.9951847f, -0.09801714f}, + {0.9891765f, -0.14673047f}, + {0.98078525f, -0.19509032f}, + {0.97003126f, -0.24298018f}, + {0.95694035f, -0.29028466f}, + {0.94154406f, -0.33688986f}, + {0.9238795f, -0.38268343f}, + {0.9039893f, -0.42755508f}, + {0.8819213f, -0.47139674f}, + {0.8577286f, -0.51410276f}, + {0.8314696f, -0.55557024f}, + {0.8032075f, -0.5956993f}, + {0.77301043f, -0.6343933f}, + {0.7409511f, -0.671559f}, + {0.70710677f, -0.70710677f}, + {0.671559f, -0.7409511f}, + {0.6343933f, -0.77301043f}, + {0.5956993f, -0.8032075f}, + {0.55557024f, -0.8314696f}, + {0.51410276f, -0.8577286f}, + {0.47139674f, -0.8819213f}, + {0.42755508f, -0.9039893f}, + {0.38268343f, -0.9238795f}, + {0.33688986f, -0.94154406f}, + {0.29028466f, -0.95694035f}, + {0.24298018f, -0.97003126f}, + {0.19509032f, -0.98078525f}, + {0.14673047f, -0.9891765f}, + {0.09801714f, -0.9951847f}, + {0.049067676f, -0.99879545f}, + {6.123234E-17f, -1.0f}, + {-0.049067676f, -0.99879545f}, + {-0.09801714f, -0.9951847f}, + {-0.14673047f, -0.9891765f}, + {-0.19509032f, -0.98078525f}, + {-0.24298018f, -0.97003126f}, + {-0.29028466f, -0.95694035f}, + {-0.33688986f, -0.94154406f}, + {-0.38268343f, -0.9238795f}, + {-0.42755508f, -0.9039893f}, + {-0.47139674f, -0.8819213f}, + {-0.51410276f, -0.8577286f}, + {-0.55557024f, -0.8314696f}, + {-0.5956993f, -0.8032075f}, + {-0.6343933f, -0.77301043f}, + {-0.671559f, -0.7409511f}, + {-0.70710677f, -0.70710677f}, + {-0.7409511f, -0.671559f}, + {-0.77301043f, -0.6343933f}, + {-0.8032075f, -0.5956993f}, + {-0.8314696f, -0.55557024f}, + {-0.8577286f, -0.51410276f}, + {-0.8819213f, -0.47139674f}, + {-0.9039893f, -0.42755508f}, + {-0.9238795f, -0.38268343f}, + {-0.94154406f, -0.33688986f}, + {-0.95694035f, -0.29028466f}, + {-0.97003126f, -0.24298018f}, + {-0.98078525f, -0.19509032f}, + {-0.9891765f, -0.14673047f}, + {-0.9951847f, -0.09801714f}, + {-0.99879545f, -0.049067676f} + }; + private static final float[][] FFT_TABLE_16 = { + {1.0f, -0.0f}, + {0.9238795f, -0.38268343f}, + {0.70710677f, -0.70710677f}, + {0.38268343f, -0.9238795f}, + {6.123234E-17f, -1.0f}, + {-0.38268343f, -0.9238795f}, + {-0.70710677f, -0.70710677f}, + {-0.9238795f, -0.38268343f} + }; - static void process(float[][] in, int n) { - final int ln = (int) Math.round(Math.log(n)/Math.log(2)); - final float[][] table = (n==128) ? FFT_TABLE_128 : FFT_TABLE_16; + static void process(float[][] in, int n) { + int ln = (int) Math.round(Math.log(n) / Math.log(2)); + float[][] table = (n == 128) ? FFT_TABLE_128 : FFT_TABLE_16; - //bit-reversal - final float[][] rev = new float[n][2]; - int i, ii = 0; - for(i = 0; i>1; - while(ii>=k&&k>0) { - ii -= k; - k >>= 1; - } - ii += k; - } - for(i = 0; i> 1; + while (ii >= k && k > 0) { + ii -= k; + k >>= 1; + } + ii += k; + } + for (int i = 0; i < n; i++) { + in[i][0] = rev[i][0]; + in[i][1] = rev[i][1]; + } - //calculation - int blocks = n/2; - int size = 2; - int j, k, l, k0, k1, size2; - float[] a = new float[2]; - for(i = 0; i=loc[m[i]])&&(i<=loc[m[i]]+7)) fmd[i] = interpolateGain(lev[m[i]], lev[m[i]+1], i-loc[m[i]]); - else fmd[i] = lev[m[i]+1]; - } - - return secLevel; - } - - /** - * transformes the exponent value of the gain to the id of the gain change - * point - */ - private int getGainChangePointID(int lngain) { - for(int i = 0; i= loc[m[i]]) && (i <= loc[m[i]] + 7)) + fmd[i] = interpolateGain(lev[m[i]], lev[m[i] + 1], i - loc[m[i]]); + else fmd[i] = lev[m[i] + 1]; + } + + return secLevel; + } + + /** + * transformes the exponent value of the gain to the id of the gain change + * point + */ + private int getGainChangePointID(int lngain) { + for (int i = 0; i < ID_GAIN; i++) { + if (lngain == LN_GAIN[i]) return i; + } + return 0; // shouldn't happen + } + + /** + * calculates a fragment modification function + * the interpolated gain value between the gain values of two gain change + * positions is calculated by the formula: + * f(a,b,j) = 2^(((8-j)log2(a)+j*log2(b))/8) + */ + private float interpolateGain(float alev0, float alev1, int iloc) { + float a0 = (float) (Math.log(alev0) / Math.log(2)); + float a1 = (float) (Math.log(alev1) / Math.log(2)); + return (float) Math.pow(2.0f, (((8 - iloc) * a0 + iloc * a1) / 8)); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/gain/IMDCT.java b/src/main/java/net/sourceforge/jaad/aac/gain/IMDCT.java index bfbd2de2..f9cd34b6 100644 --- a/src/main/java/net/sourceforge/jaad/aac/gain/IMDCT.java +++ b/src/main/java/net/sourceforge/jaad/aac/gain/IMDCT.java @@ -3,181 +3,178 @@ import net.sourceforge.jaad.aac.AACException; import net.sourceforge.jaad.aac.syntax.ICSInfo.WindowSequence; + //inverse modified discrete cosine transform class IMDCT implements GCConstants, IMDCTTables, Windows { - private static final float[][] LONG_WINDOWS = {SINE_256, KBD_256}; - private static final float[][] SHORT_WINDOWS = {SINE_32, KBD_32}; - private final int frameLen, shortFrameLen, lbLong, lbShort, lbMid; - - IMDCT(int frameLen) { - this.frameLen = frameLen; - lbLong = frameLen/BANDS; - shortFrameLen = frameLen/8; - lbShort = shortFrameLen/BANDS; - lbMid = (lbLong-lbShort)/2; - } - - void process(float[] in, float[] out, int winShape, int winShapePrev, WindowSequence winSeq) throws AACException { - final float[] buf = new float[frameLen]; - - int b, j, i; - if(winSeq.equals(WindowSequence.EIGHT_SHORT_SEQUENCE)) { - for(b = 0; b15) { - signValues(in, data, off, cb<5 ? QUAD_LEN : PAIR_LEN); //virtual codebooks are always unsigned - if(Math.abs(data[off])==16) data[off] = getEscape(in, data[off]); - if(Math.abs(data[off+1])==16) data[off+1] = getEscape(in, data[off+1]); - } - else throw new AACException("Huffman: unknown spectral codebook: "+cb); - } + // sign & escape + if (cb < 11) { + if (UNSIGNED[cb - 1]) signValues(in, data, off, cb < 5 ? QUAD_LEN : PAIR_LEN); + } else if (cb == 11 || cb > 15) { + signValues(in, data, off, cb < 5 ? QUAD_LEN : PAIR_LEN); //virtual codebooks are always unsigned + if (Math.abs(data[off]) == 16) data[off] = getEscape(in, data[off]); + if (Math.abs(data[off + 1]) == 16) data[off + 1] = getEscape(in, data[off + 1]); + } else throw new AACException("Huffman: unknown spectral codebook: " + cb); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/EnvData.java b/src/main/java/net/sourceforge/jaad/aac/ps/EnvData.java new file mode 100644 index 00000000..8dba1100 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/EnvData.java @@ -0,0 +1,82 @@ +package net.sourceforge.jaad.aac.ps; + +import net.sourceforge.jaad.aac.syntax.BitStream; + +import java.util.Arrays; + +import static net.sourceforge.jaad.aac.ps.PSConstants.MAX_PS_ENVELOPES; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 02:13 + */ +abstract public class EnvData { + + final int[] first; + final Envelope[] envs; + + Mode mode = null; + + EnvData(int len) { + first = new int[len]; + envs = new Envelope[MAX_PS_ENVELOPES]; + + /* + * Each Envelope refers to its predecessor. + * The first envelop refers to prev. + */ + int[] prev = first; + for(int l=0; l {0,0,1,1,2,2,3,3,4,4} + */ + if (stride > 1) { + for (int i = stride * nr_par - 1; i > 0; --i) { + index[i] = index[i / stride]; + } + } + } + } + + /** + * Map indexes. + * Multiple indices are placed on higher bytes. + * Index 0 can only be used at first place. + *

+ * Table 8.45 of Subpart 8 + */ + private static final int[] MAP20TO34 = { + 0, 0 | 1 << 8, 1, 2, 2 | 3 << 8, 3, 4, 4, 5, 5, 6, 7, 8, 8, 9, 9, 10, + 11, 12, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 19, 19, 19 + }; + + void map20To34() { + + // l==0 does not matter + for (int l = index.length - 1; l > 0; --l) { + int m = MAP20TO34[l]; + int i = index[m & 0xff]; + m >>= 8; + + // find further indexes to add + int n = 1; + while (m != 0) { + i += index[m & 0xff]; + m >>= 8; + ++n; + } + i /= n; + + index[l] = i; + } + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/ExtData.java b/src/main/java/net/sourceforge/jaad/aac/ps/ExtData.java new file mode 100644 index 00000000..9ba658ed --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/ExtData.java @@ -0,0 +1,60 @@ +package net.sourceforge.jaad.aac.ps; + +import net.sourceforge.jaad.aac.syntax.BitStream; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 18:05 + */ +class ExtData { + + boolean enabled = false; + + final PDData ipd = PDMode.IpdData(); + final PDData opd = PDMode.OpdData(); + + void setMode(IIDMode mode) { + ipd.setMode(mode); + opd.setMode(mode); + } + + void readData(BitStream ld, int num_env) { + enabled = ld.readBool(); + if (enabled) { + ipd.readData(ld, num_env); + opd.readData(ld, num_env); + } + ld.readBit(); //reserved + } + + void decode(int num_env) { + if (enabled) { + ipd.decode(num_env); + opd.decode(num_env); + } + } + + void update(int num_env) { + ipd.update(num_env); + opd.update(num_env); + } + + void restore(int num_env) { + ipd.update(num_env); + opd.update(num_env); + } + + public void mapTo34(int num_env) { + ipd.mapTo34(num_env); + opd.mapTo34(num_env); + } + + public int nr_par() { + int nr_par = ipd.mode.nr_par; + if(nr_par<11) + nr_par = 11; + return nr_par; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/Extension.java b/src/main/java/net/sourceforge/jaad/aac/ps/Extension.java new file mode 100644 index 00000000..5df58e6b --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/Extension.java @@ -0,0 +1,87 @@ +package net.sourceforge.jaad.aac.ps; + +import net.sourceforge.jaad.aac.syntax.BitStream; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 12:51 + */ +public class Extension { + + final IIDData parent; + + boolean enabled = false; + + ExtData data = null; + + public Extension(IIDData parent) { + this.parent = parent; + } + + ExtData data() { + if(enabled && data==null) + data = new ExtData(); + + return data; + } + + boolean readMode(BitStream ld) { + enabled = ld.readBool(); + ExtData data = data(); + + if(data!=null) + data.setMode(enabled ? parent.mode : null); + + return enabled; + } + + void readData(BitStream ld, int num_env) { + if(enabled) { + int cnt = ld.readBits(4); + if(cnt==15) { + cnt += ld.readBits(8); + } + + // open a new sub stream + ld = ld.readSubStream(8*cnt); + + while(ld.getBitsLeft()>7) { + int ps_extension_id = ld.readBits(2); + if(ps_extension_id==0) { + ExtData data = data(); + if(data!=null) + data.readData(ld, num_env); + } + } + } + } + + void decode(int num_env) { + if(enabled && data!=null) + data.decode(num_env); + } + + void update(int num_env) { + if(enabled && data!=null) + data.update(num_env); + } + + void restore(int num_env) { + if(enabled && data!=null) + data.restore(num_env); + } + + public void mapTo34(int num_env) { + if(enabled && data!=null) + data.mapTo34(num_env); + } + + int nr_par() { + if(enabled && data!=null) + return data.nr_par(); + else + return 0; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/FBType.java b/src/main/java/net/sourceforge/jaad/aac/ps/FBType.java new file mode 100644 index 00000000..f51e8cd9 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/FBType.java @@ -0,0 +1,78 @@ +package net.sourceforge.jaad.aac.ps; + +import java.util.Comparator; + +import static net.sourceforge.jaad.aac.ps.PSConstants.NEGATE_IPD_MASK; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 12.09.21 + * Time: 13:34 + */ +public class FBType { + + public static final Comparator CMP = Comparator.nullsLast(Comparator.comparingInt(t->t.nr_par_bands)); + + public static FBType max(FBType a, FBType b) { + return CMP.compare(a,b)<0 ? a : b; + } + public FBType max(FBType other) { + return max(this, other); + } + + public static final FBType T34 = new FBType(PSTables.group_border34, PSTables.map_group2bk34, + 32+18, 32, 34, 5, + PSTables.Phi_Fract_SubQmf34, PSTables.Q_Fract_allpass_SubQmf34, + new Filter[]{Filter12.f, Filter8.f34, Filter4.f, Filter4.f, Filter4.f}); + + public static final FBType T20 = new FBType(PSTables.group_border20, PSTables.map_group2bk20, + 10+12, 10, 20, 3, + PSTables.Phi_Fract_SubQmf20, PSTables.Q_Fract_allpass_SubQmf20, + new Filter[]{Filter8.f20, Filter2.f, Filter2.f}); + + final String name; + final int num_groups; + final int num_hybrid_groups; + final int nr_par_bands; + final int decay_cutoff; + final int[] group_border; + final int[] map_group2bk; + final float[][] phiFract; + final float[][][] qFractAllpassSubQmf; + final Filter[] filters; + + public FBType(int[] group_border, int[] map_group2bk, + int num_groups, int num_hybrid_groups, + int nr_par_bands, int decay_cutoff, + float[][] phiFract, float[][][] qFractAllpassSubQmf, + Filter[] filters) { + + this.name = "FBType" + nr_par_bands; + this.num_groups = num_groups; + this.num_hybrid_groups = num_hybrid_groups; + this.nr_par_bands = nr_par_bands; + this.decay_cutoff = decay_cutoff; + this.group_border = group_border; + this.map_group2bk = map_group2bk; + this.phiFract = phiFract; + this.qFractAllpassSubQmf = qFractAllpassSubQmf; + this.filters = filters; + } + + int bk(int gr) { + return map_group2bk[gr] & ~NEGATE_IPD_MASK; + } + + int maxsb(int gr) { + return (gr { + int index = 0; + + while(index>=0) { + int bit = ld.readBit(); + index = huff[index][bit]; + } + + return index+31; + }; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/HuffmanTables.java b/src/main/java/net/sourceforge/jaad/aac/ps/HuffmanTables.java deleted file mode 100644 index cc04884b..00000000 --- a/src/main/java/net/sourceforge/jaad/aac/ps/HuffmanTables.java +++ /dev/null @@ -1,257 +0,0 @@ -package net.sourceforge.jaad.aac.ps; - -interface HuffmanTables { - - /* binary lookup huffman tables */ - int[][] f_huff_iid_def = { - { /*0*/-31, 1}, /* index 0: 1 bits: x */ - {2, 3}, /* index 1: 2 bits: 1x */ - { /*1*/-30, /*-1*/ -32}, /* index 2: 3 bits: 10x */ - {4, 5}, /* index 3: 3 bits: 11x */ - { /*2*/-29, /*-2*/ -33}, /* index 4: 4 bits: 110x */ - {6, 7}, /* index 5: 4 bits: 111x */ - { /*3*/-28, /*-3*/ -34}, /* index 6: 5 bits: 1110x */ - {8, 9}, /* index 7: 5 bits: 1111x */ - { /*-4*/-35, /*4*/ -27}, /* index 8: 6 bits: 11110x */ - { /*5*/-26, 10}, /* index 9: 6 bits: 11111x */ - { /*-5*/-36, 11}, /* index 10: 7 bits: 111111x */ - { /*6*/-25, 12}, /* index 11: 8 bits: 1111111x */ - { /*-6*/-37, 13}, /* index 12: 9 bits: 11111111x */ - { /*-7*/-38, 14}, /* index 13: 10 bits: 111111111x */ - { /*7*/-24, 15}, /* index 14: 11 bits: 1111111111x */ - {16, 17}, /* index 15: 12 bits: 11111111111x */ - { /*8*/-23, /*-8*/ -39}, /* index 16: 13 bits: 111111111110x */ - {18, 19}, /* index 17: 13 bits: 111111111111x */ - { /*9*/-22, /*10*/ -21}, /* index 18: 14 bits: 1111111111110x */ - {20, 21}, /* index 19: 14 bits: 1111111111111x */ - { /*-9*/-40, /*11*/ -20}, /* index 20: 15 bits: 11111111111110x */ - {22, 23}, /* index 21: 15 bits: 11111111111111x */ - { /*-10*/-41, 24}, /* index 22: 16 bits: 111111111111110x */ - {25, 26}, /* index 23: 16 bits: 111111111111111x */ - { /*-11*/-42, /*-14*/ -45}, /* index 24: 17 bits: 1111111111111101x */ - { /*-13*/-44, /*-12*/ -43}, /* index 25: 17 bits: 1111111111111110x */ - { /*12*/-19, 27}, /* index 26: 17 bits: 1111111111111111x */ - { /*13*/-18, /*14*/ -17} /* index 27: 18 bits: 11111111111111111x */}; - - int[][] t_huff_iid_def = { - { /*0*/-31, 1}, /* index 0: 1 bits: x */ - { /*-1*/-32, 2}, /* index 1: 2 bits: 1x */ - { /*1*/-30, 3}, /* index 2: 3 bits: 11x */ - { /*-2*/-33, 4}, /* index 3: 4 bits: 111x */ - { /*2*/-29, 5}, /* index 4: 5 bits: 1111x */ - { /*-3*/-34, 6}, /* index 5: 6 bits: 11111x */ - { /*3*/-28, 7}, /* index 6: 7 bits: 111111x */ - { /*-4*/-35, 8}, /* index 7: 8 bits: 1111111x */ - { /*4*/-27, 9}, /* index 8: 9 bits: 11111111x */ - { /*-5*/-36, 10}, /* index 9: 10 bits: 111111111x */ - { /*5*/-26, 11}, /* index 10: 11 bits: 1111111111x */ - { /*-6*/-37, 12}, /* index 11: 12 bits: 11111111111x */ - { /*6*/-25, 13}, /* index 12: 13 bits: 111111111111x */ - { /*7*/-24, 14}, /* index 13: 14 bits: 1111111111111x */ - { /*-7*/-38, 15}, /* index 14: 15 bits: 11111111111111x */ - {16, 17}, /* index 15: 16 bits: 111111111111111x */ - { /*8*/-23, /*-8*/ -39}, /* index 16: 17 bits: 1111111111111110x */ - {18, 19}, /* index 17: 17 bits: 1111111111111111x */ - {20, 21}, /* index 18: 18 bits: 11111111111111110x */ - {22, 23}, /* index 19: 18 bits: 11111111111111111x */ - { /*9*/-22, /*-14*/ -45}, /* index 20: 19 bits: 111111111111111100x */ - { /*-13*/-44, /*-12*/ -43}, /* index 21: 19 bits: 111111111111111101x */ - {24, 25}, /* index 22: 19 bits: 111111111111111110x */ - {26, 27}, /* index 23: 19 bits: 111111111111111111x */ - { /*-11*/-42, /*-10*/ -41}, /* index 24: 20 bits: 1111111111111111100x */ - { /*-9*/-40, /*10*/ -21}, /* index 25: 20 bits: 1111111111111111101x */ - { /*11*/-20, /*12*/ -19}, /* index 26: 20 bits: 1111111111111111110x */ - { /*13*/-18, /*14*/ -17} /* index 27: 20 bits: 1111111111111111111x */}; - - int[][] f_huff_iid_fine = { - {1, /*0*/ -31}, /* index 0: 1 bits: x */ - {2, 3}, /* index 1: 2 bits: 0x */ - {4, /*-1*/ -32}, /* index 2: 3 bits: 00x */ - { /*1*/-30, 5}, /* index 3: 3 bits: 01x */ - { /*-2*/-33, /*2*/ -29}, /* index 4: 4 bits: 000x */ - {6, 7}, /* index 5: 4 bits: 011x */ - { /*-3*/-34, /*3*/ -28}, /* index 6: 5 bits: 0110x */ - {8, 9}, /* index 7: 5 bits: 0111x */ - { /*-4*/-35, /*4*/ -27}, /* index 8: 6 bits: 01110x */ - {10, 11}, /* index 9: 6 bits: 01111x */ - { /*-5*/-36, /*5*/ -26}, /* index 10: 7 bits: 011110x */ - {12, 13}, /* index 11: 7 bits: 011111x */ - { /*-6*/-37, /*6*/ -25}, /* index 12: 8 bits: 0111110x */ - {14, 15}, /* index 13: 8 bits: 0111111x */ - { /*7*/-24, 16}, /* index 14: 9 bits: 01111110x */ - {17, 18}, /* index 15: 9 bits: 01111111x */ - {19, /*-8*/ -39}, /* index 16: 10 bits: 011111101x */ - { /*8*/-23, 20}, /* index 17: 10 bits: 011111110x */ - {21, /*-7*/ -38}, /* index 18: 10 bits: 011111111x */ - { /*10*/-21, 22}, /* index 19: 11 bits: 0111111010x */ - {23, /*-9*/ -40}, /* index 20: 11 bits: 0111111101x */ - { /*9*/-22, 24}, /* index 21: 11 bits: 0111111110x */ - { /*-11*/-42, /*11*/ -20}, /* index 22: 12 bits: 01111110101x */ - {25, 26}, /* index 23: 12 bits: 01111111010x */ - {27, /*-10*/ -41}, /* index 24: 12 bits: 01111111101x */ - {28, /*-12*/ -43}, /* index 25: 13 bits: 011111110100x */ - { /*12*/-19, 29}, /* index 26: 13 bits: 011111110101x */ - {30, 31}, /* index 27: 13 bits: 011111111010x */ - {32, /*-14*/ -45}, /* index 28: 14 bits: 0111111101000x */ - { /*14*/-17, 33}, /* index 29: 14 bits: 0111111101011x */ - {34, /*-13*/ -44}, /* index 30: 14 bits: 0111111110100x */ - { /*13*/-18, 35}, /* index 31: 14 bits: 0111111110101x */ - {36, 37}, /* index 32: 15 bits: 01111111010000x */ - {38, /*-15*/ -46}, /* index 33: 15 bits: 01111111010111x */ - { /*15*/-16, 39}, /* index 34: 15 bits: 01111111101000x */ - {40, 41}, /* index 35: 15 bits: 01111111101011x */ - {42, 43}, /* index 36: 16 bits: 011111110100000x */ - { /*-17*/-48, /*17*/ -14}, /* index 37: 16 bits: 011111110100001x */ - {44, 45}, /* index 38: 16 bits: 011111110101110x */ - {46, 47}, /* index 39: 16 bits: 011111111010001x */ - {48, 49}, /* index 40: 16 bits: 011111111010110x */ - { /*-16*/-47, /*16*/ -15}, /* index 41: 16 bits: 011111111010111x */ - { /*-21*/-52, /*21*/ -10}, /* index 42: 17 bits: 0111111101000000x */ - { /*-19*/-50, /*19*/ -12}, /* index 43: 17 bits: 0111111101000001x */ - { /*-18*/-49, /*18*/ -13}, /* index 44: 17 bits: 0111111101011100x */ - {50, 51}, /* index 45: 17 bits: 0111111101011101x */ - {52, 53}, /* index 46: 17 bits: 0111111110100010x */ - {54, 55}, /* index 47: 17 bits: 0111111110100011x */ - {56, 57}, /* index 48: 17 bits: 0111111110101100x */ - {58, 59}, /* index 49: 17 bits: 0111111110101101x */ - { /*-26*/-57, /*-25*/ -56}, /* index 50: 18 bits: 01111111010111010x */ - { /*-28*/-59, /*-27*/ -58}, /* index 51: 18 bits: 01111111010111011x */ - { /*-22*/-53, /*22*/ -9}, /* index 52: 18 bits: 01111111101000100x */ - { /*-24*/-55, /*-23*/ -54}, /* index 53: 18 bits: 01111111101000101x */ - { /*25*/-6, /*26*/ -5}, /* index 54: 18 bits: 01111111101000110x */ - { /*23*/-8, /*24*/ -7}, /* index 55: 18 bits: 01111111101000111x */ - { /*29*/-2, /*30*/ -1}, /* index 56: 18 bits: 01111111101011000x */ - { /*27*/-4, /*28*/ -3}, /* index 57: 18 bits: 01111111101011001x */ - { /*-30*/-61, /*-29*/ -60}, /* index 58: 18 bits: 01111111101011010x */ - { /*-20*/-51, /*20*/ -11} /* index 59: 18 bits: 01111111101011011x */}; - - int[][] t_huff_iid_fine = { - {1, /*0*/ -31}, /* index 0: 1 bits: x */ - { /*1*/-30, 2}, /* index 1: 2 bits: 0x */ - {3, /*-1*/ -32}, /* index 2: 3 bits: 01x */ - {4, 5}, /* index 3: 4 bits: 010x */ - {6, 7}, /* index 4: 5 bits: 0100x */ - { /*-2*/-33, /*2*/ -29}, /* index 5: 5 bits: 0101x */ - {8, /*-3*/ -34}, /* index 6: 6 bits: 01000x */ - { /*3*/-28, 9}, /* index 7: 6 bits: 01001x */ - { /*-4*/-35, /*4*/ -27}, /* index 8: 7 bits: 010000x */ - {10, 11}, /* index 9: 7 bits: 010011x */ - { /*5*/-26, 12}, /* index 10: 8 bits: 0100110x */ - {13, 14}, /* index 11: 8 bits: 0100111x */ - { /*-6*/-37, /*6*/ -25}, /* index 12: 9 bits: 01001101x */ - {15, 16}, /* index 13: 9 bits: 01001110x */ - {17, /*-5*/ -36}, /* index 14: 9 bits: 01001111x */ - {18, /*-7*/ -38}, /* index 15: 10 bits: 010011100x */ - { /*7*/-24, 19}, /* index 16: 10 bits: 010011101x */ - {20, 21}, /* index 17: 10 bits: 010011110x */ - { /*9*/-22, 22}, /* index 18: 11 bits: 0100111000x */ - {23, 24}, /* index 19: 11 bits: 0100111011x */ - { /*-8*/-39, /*8*/ -23}, /* index 20: 11 bits: 0100111100x */ - {25, 26}, /* index 21: 11 bits: 0100111101x */ - { /*11*/-20, 27}, /* index 22: 12 bits: 01001110001x */ - {28, 29}, /* index 23: 12 bits: 01001110110x */ - { /*-10*/-41, /*10*/ -21}, /* index 24: 12 bits: 01001110111x */ - {30, 31}, /* index 25: 12 bits: 01001111010x */ - {32, /*-9*/ -40}, /* index 26: 12 bits: 01001111011x */ - {33, /*-13*/ -44}, /* index 27: 13 bits: 010011100011x */ - { /*13*/-18, 34}, /* index 28: 13 bits: 010011101100x */ - {35, 36}, /* index 29: 13 bits: 010011101101x */ - {37, /*-12*/ -43}, /* index 30: 13 bits: 010011110100x */ - { /*12*/-19, 38}, /* index 31: 13 bits: 010011110101x */ - {39, /*-11*/ -42}, /* index 32: 13 bits: 010011110110x */ - {40, 41}, /* index 33: 14 bits: 0100111000110x */ - {42, 43}, /* index 34: 14 bits: 0100111011001x */ - {44, 45}, /* index 35: 14 bits: 0100111011010x */ - {46, /*-15*/ -46}, /* index 36: 14 bits: 0100111011011x */ - { /*15*/-16, 47}, /* index 37: 14 bits: 0100111101000x */ - { /*-14*/-45, /*14*/ -17}, /* index 38: 14 bits: 0100111101011x */ - {48, 49}, /* index 39: 14 bits: 0100111101100x */ - { /*-21*/-52, /*-20*/ -51}, /* index 40: 15 bits: 01001110001100x */ - { /*18*/-13, /*19*/ -12}, /* index 41: 15 bits: 01001110001101x */ - { /*-19*/-50, /*-18*/ -49}, /* index 42: 15 bits: 01001110110010x */ - {50, 51}, /* index 43: 15 bits: 01001110110011x */ - {52, 53}, /* index 44: 15 bits: 01001110110100x */ - {54, 55}, /* index 45: 15 bits: 01001110110101x */ - {56, /*-17*/ -48}, /* index 46: 15 bits: 01001110110110x */ - { /*17*/-14, 57}, /* index 47: 15 bits: 01001111010001x */ - {58, /*-16*/ -47}, /* index 48: 15 bits: 01001111011000x */ - { /*16*/-15, 59}, /* index 49: 15 bits: 01001111011001x */ - { /*-26*/-57, /*26*/ -5}, /* index 50: 16 bits: 010011101100110x */ - { /*-28*/-59, /*-27*/ -58}, /* index 51: 16 bits: 010011101100111x */ - { /*29*/-2, /*30*/ -1}, /* index 52: 16 bits: 010011101101000x */ - { /*27*/-4, /*28*/ -3}, /* index 53: 16 bits: 010011101101001x */ - { /*-30*/-61, /*-29*/ -60}, /* index 54: 16 bits: 010011101101010x */ - { /*-25*/-56, /*25*/ -6}, /* index 55: 16 bits: 010011101101011x */ - { /*-24*/-55, /*24*/ -7}, /* index 56: 16 bits: 010011101101100x */ - { /*-23*/-54, /*23*/ -8}, /* index 57: 16 bits: 010011110100011x */ - { /*-22*/-53, /*22*/ -9}, /* index 58: 16 bits: 010011110110000x */ - { /*20*/-11, /*21*/ -10} /* index 59: 16 bits: 010011110110011x */}; - - int[][] f_huff_icc = { - { /*0*/-31, 1}, /* index 0: 1 bits: x */ - { /*1*/-30, 2}, /* index 1: 2 bits: 1x */ - { /*-1*/-32, 3}, /* index 2: 3 bits: 11x */ - { /*2*/-29, 4}, /* index 3: 4 bits: 111x */ - { /*-2*/-33, 5}, /* index 4: 5 bits: 1111x */ - { /*3*/-28, 6}, /* index 5: 6 bits: 11111x */ - { /*-3*/-34, 7}, /* index 6: 7 bits: 111111x */ - { /*4*/-27, 8}, /* index 7: 8 bits: 1111111x */ - { /*5*/-26, 9}, /* index 8: 9 bits: 11111111x */ - { /*-4*/-35, 10}, /* index 9: 10 bits: 111111111x */ - { /*6*/-25, 11}, /* index 10: 11 bits: 1111111111x */ - { /*-5*/-36, 12}, /* index 11: 12 bits: 11111111111x */ - { /*7*/-24, 13}, /* index 12: 13 bits: 111111111111x */ - { /*-6*/-37, /*-7*/ -38} /* index 13: 14 bits: 1111111111111x */}; - - int[][] t_huff_icc = { - { /*0*/-31, 1}, /* index 0: 1 bits: x */ - { /*1*/-30, 2}, /* index 1: 2 bits: 1x */ - { /*-1*/-32, 3}, /* index 2: 3 bits: 11x */ - { /*2*/-29, 4}, /* index 3: 4 bits: 111x */ - { /*-2*/-33, 5}, /* index 4: 5 bits: 1111x */ - { /*3*/-28, 6}, /* index 5: 6 bits: 11111x */ - { /*-3*/-34, 7}, /* index 6: 7 bits: 111111x */ - { /*4*/-27, 8}, /* index 7: 8 bits: 1111111x */ - { /*-4*/-35, 9}, /* index 8: 9 bits: 11111111x */ - { /*5*/-26, 10}, /* index 9: 10 bits: 111111111x */ - { /*-5*/-36, 11}, /* index 10: 11 bits: 1111111111x */ - { /*6*/-25, 12}, /* index 11: 12 bits: 11111111111x */ - { /*-6*/-37, 13}, /* index 12: 13 bits: 111111111111x */ - { /*-7*/-38, /*7*/ -24} /* index 13: 14 bits: 1111111111111x */}; - - int[][] f_huff_ipd = { - {1, /*0*/ -31}, /* index 0: 1 bits: x */ - {2, 3}, /* index 1: 2 bits: 0x */ - { /*1*/-30, 4}, /* index 2: 3 bits: 00x */ - {5, 6}, /* index 3: 3 bits: 01x */ - { /*4*/-27, /*5*/ -26}, /* index 4: 4 bits: 001x */ - { /*3*/-28, /*6*/ -25}, /* index 5: 4 bits: 010x */ - { /*2*/-29, /*7*/ -24} /* index 6: 4 bits: 011x */}; - - int[][] t_huff_ipd = { - {1, /*0*/ -31}, /* index 0: 1 bits: x */ - {2, 3}, /* index 1: 2 bits: 0x */ - {4, 5}, /* index 2: 3 bits: 00x */ - { /*1*/-30, /*7*/ -24}, /* index 3: 3 bits: 01x */ - { /*5*/-26, 6}, /* index 4: 4 bits: 000x */ - { /*2*/-29, /*6*/ -25}, /* index 5: 4 bits: 001x */ - { /*4*/-27, /*3*/ -28} /* index 6: 5 bits: 0001x */}; - - int[][] f_huff_opd = { - {1, /*0*/ -31}, /* index 0: 1 bits: x */ - {2, 3}, /* index 1: 2 bits: 0x */ - { /*7*/-24, /*1*/ -30}, /* index 2: 3 bits: 00x */ - {4, 5}, /* index 3: 3 bits: 01x */ - { /*3*/-28, /*6*/ -25}, /* index 4: 4 bits: 010x */ - { /*2*/-29, 6}, /* index 5: 4 bits: 011x */ - { /*5*/-26, /*4*/ -27} /* index 6: 5 bits: 0111x */}; - - int[][] t_huff_opd = { - {1, /*0*/ -31}, /* index 0: 1 bits: x */ - {2, 3}, /* index 1: 2 bits: 0x */ - {4, 5}, /* index 2: 3 bits: 00x */ - { /*1*/-30, /*7*/ -24}, /* index 3: 3 bits: 01x */ - { /*5*/-26, /*2*/ -29}, /* index 4: 4 bits: 000x */ - { /*6*/-25, 6}, /* index 5: 4 bits: 001x */ - { /*4*/-27, /*3*/ -28} /* index 6: 5 bits: 0011x */}; -} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/ICCData.java b/src/main/java/net/sourceforge/jaad/aac/ps/ICCData.java new file mode 100644 index 00000000..c35bd38b --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/ICCData.java @@ -0,0 +1,22 @@ +package net.sourceforge.jaad.aac.ps; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 12:37 + */ +public class ICCData extends ICData { + + /** + * ICCMode default is mode(1) ?? + */ + ICCMode mode() { + return mode == null ? mode(1) : mode; + } + + @Override + protected ICCMode mode(int id) { + return ICCMode.mode(id); + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/ICCMode.java b/src/main/java/net/sourceforge/jaad/aac/ps/ICCMode.java new file mode 100644 index 00000000..1d9c738c --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/ICCMode.java @@ -0,0 +1,44 @@ +package net.sourceforge.jaad.aac.ps; + +import static net.sourceforge.jaad.aac.ps.Huffman.f_huff_icc; +import static net.sourceforge.jaad.aac.ps.Huffman.t_huff_icc; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 01:20 + */ +public class ICCMode extends ICMode { + + private static final EnvTables ICC_TABLES = new EnvTables(f_huff_icc, t_huff_icc); + + @Override + EnvTables tables() { + return ICC_TABLES; + } + + public ICCMode(int id, int nr_par) { + super(id, nr_par); + } + + @Override + int clip(int idx) { + idx = Math.max(idx, 0); + idx = Math.min(idx, 7); + return idx; + } + + static private final ICCMode[] ICC_MODES = { + new ICCMode(0, 10), + new ICCMode(1, 20), + new ICCMode(2, 34), + new ICCMode(3, 10), + new ICCMode(4, 20), + new ICCMode(5, 34) + }; + + static ICCMode mode(int id) { + return ICC_MODES[id]; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/ICData.java b/src/main/java/net/sourceforge/jaad/aac/ps/ICData.java new file mode 100644 index 00000000..3c74871b --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/ICData.java @@ -0,0 +1,33 @@ +package net.sourceforge.jaad.aac.ps; + +import net.sourceforge.jaad.aac.syntax.BitStream; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 12:37 + */ +abstract public class ICData extends EnvData { + + ICData() { + super(34); + } + + FBType fbType() { + return mode==null ? null : mode.fbType(); + } + + Mode readMode(BitStream ld) { + boolean enabled = ld.readBool(); + + if (enabled) { + int id = ld.readBits(3); + this.mode = mode(id); + } else { + this.mode = null; + } + + return mode; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/ICMode.java b/src/main/java/net/sourceforge/jaad/aac/ps/ICMode.java new file mode 100644 index 00000000..98520c74 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/ICMode.java @@ -0,0 +1,22 @@ +package net.sourceforge.jaad.aac.ps; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 17:52 + */ +public abstract class ICMode extends EnvMode { + + public ICMode(int id, int nr_par) { + super(id, nr_par); + } + + FBType fbType() { + return (id %3)==2 ? FBType.T34 : FBType.T20; + } + + int stride() { + return (id%3)==0 ? 2 : 0; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/IIDData.java b/src/main/java/net/sourceforge/jaad/aac/ps/IIDData.java new file mode 100644 index 00000000..6b4beea1 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/IIDData.java @@ -0,0 +1,15 @@ +package net.sourceforge.jaad.aac.ps; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 12:37 + */ +public class IIDData extends ICData { + + @Override + protected IIDMode mode(int id) { + return IIDMode.mode(id); + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/IIDMode.java b/src/main/java/net/sourceforge/jaad/aac/ps/IIDMode.java new file mode 100644 index 00000000..f2061ada --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/IIDMode.java @@ -0,0 +1,65 @@ +package net.sourceforge.jaad.aac.ps; + +import net.sourceforge.jaad.aac.tools.Utils; + +import static net.sourceforge.jaad.aac.ps.Huffman.*; +import static net.sourceforge.jaad.aac.ps.PSTables.*; + + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 00:21 + */ +public class IIDMode extends ICMode { + + private static final IIDTables DEFAULT_TABLES = new IIDTables( + f_huff_iid_def, t_huff_iid_def, + 7, sf_iid_normal, + cos_betas_normal, sin_betas_normal, + sin_gammas_normal, cos_gammas_normal, + sincos_alphas_B_normal); + + private static final IIDTables FINE_TABLES = new IIDTables( + f_huff_iid_fine, t_huff_iid_fine, + 15, sf_iid_fine, + cos_betas_fine, sin_betas_fine, + sin_gammas_fine, cos_gammas_fine, + sincos_alphas_B_fine); + + final IIDTables tables; + + public IIDMode(int id, int nr_par, IIDTables tables) { + super(id, nr_par); + this.tables = tables; + } + + @Override + IIDTables tables() { + return tables; + } + + @Override + int clip(int idx) { + int clip = tables.num_steps; + return Utils.clip(idx, -clip, clip); + } + + static private final IIDMode[] IID_MODES = { + new IIDMode(0, 10, DEFAULT_TABLES), + new IIDMode(1, 20, DEFAULT_TABLES), + new IIDMode(2, 34, DEFAULT_TABLES), + new IIDMode(3, 10, FINE_TABLES), + new IIDMode(4, 20, FINE_TABLES), + new IIDMode(5, 34, FINE_TABLES) + }; + + static IIDMode mode(int id) { + return IID_MODES[id]; + } + + public static IIDData data() { + return new IIDData(); + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/IIDTables.java b/src/main/java/net/sourceforge/jaad/aac/ps/IIDTables.java new file mode 100644 index 00000000..3274fed8 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/IIDTables.java @@ -0,0 +1,31 @@ +package net.sourceforge.jaad.aac.ps; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 12:20 + */ +class IIDTables extends EnvTables { + + final int num_steps; + + final float[] sf; + + final float[][] cos_betas, sin_betas, cos_gammas, sin_gammas, sincos_alphas_b; + + IIDTables(int[][] f, int[][] t, + int num_steps, float[] sf, + float[][] cos_betas, float[][] sin_betas, + float[][] cos_gammas, float[][] sin_gammas, + float[][] sincos_alphas_b) { + super(f, t); + this.num_steps = num_steps; + this.sf = sf; + this.cos_betas = cos_betas; + this.sin_betas = sin_betas; + this.cos_gammas = cos_gammas; + this.sin_gammas = sin_gammas; + this.sincos_alphas_b = sincos_alphas_b; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/PDData.java b/src/main/java/net/sourceforge/jaad/aac/ps/PDData.java new file mode 100644 index 00000000..78ece1bc --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/PDData.java @@ -0,0 +1,28 @@ +package net.sourceforge.jaad.aac.ps; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 12:54 + */ +public class PDData extends EnvData { + + private final PDMode[] modes; + + public float[][][] prev = new float[20][2][2]; + + PDData(PDMode[] modes) { + super(17); + this.modes = modes; + } + + void setMode(IIDMode mode) { + this.mode = mode==null ? null : mode(mode.id); + } + + @Override + protected PDMode mode(int id) { + return modes[id]; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/PDMode.java b/src/main/java/net/sourceforge/jaad/aac/ps/PDMode.java new file mode 100644 index 00000000..59115d30 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/ps/PDMode.java @@ -0,0 +1,62 @@ +package net.sourceforge.jaad.aac.ps; + +import static net.sourceforge.jaad.aac.ps.Huffman.*; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.09.21 + * Time: 01:38 + */ +public class PDMode extends EnvMode { + + final EnvTables tables; + + public PDMode(int id, int nr_par, EnvTables tables) { + super(id, nr_par); + this.tables = tables; + } + + @Override + EnvTables tables() { + return tables; + } + + @Override + int stride() { + return 1; + } + + /** + * modulo clip on 7 + */ + @Override + int clip(int idx) { + return idx & 7; + } + + static private final PDMode[] IPD_MODES = modes(f_huff_ipd, t_huff_ipd); + + static private final PDMode[] OPD_MODES = modes(f_huff_opd, t_huff_opd); + + public static PDData IpdData() { + return new PDData(IPD_MODES); + } + + public static PDData OpdData() { + return new PDData(OPD_MODES); + } + + private static PDMode[] modes(int[][] f, int[][] t) { + EnvTables tables = new EnvTables(f, t); + + return new PDMode[] { + new PDMode(0, 5, tables), + new PDMode(1, 11, tables), + new PDMode(2, 17, tables), + new PDMode(3, 5, tables), + new PDMode(4, 11, tables), + new PDMode(5, 17, tables) + }; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/PS.java b/src/main/java/net/sourceforge/jaad/aac/ps/PS.java deleted file mode 100644 index 3993b861..00000000 --- a/src/main/java/net/sourceforge/jaad/aac/ps/PS.java +++ /dev/null @@ -1,1295 +0,0 @@ -package net.sourceforge.jaad.aac.ps; - -import net.sourceforge.jaad.aac.AACException; -import net.sourceforge.jaad.aac.SampleFrequency; -import net.sourceforge.jaad.aac.syntax.BitStream; - -public class PS implements PSConstants, PSTables, HuffmanTables { - - /* bitstream parameters */ - boolean enable_iid, enable_icc, enable_ext; - int iid_mode; - int icc_mode; - int nr_iid_par; - int nr_ipdopd_par; - int nr_icc_par; - int frame_class; - int num_env; - int[] border_position = new int[MAX_PS_ENVELOPES+1]; - boolean[] iid_dt = new boolean[MAX_PS_ENVELOPES]; - boolean[] icc_dt = new boolean[MAX_PS_ENVELOPES]; - boolean enable_ipdopd; - int ipd_mode; - boolean[] ipd_dt = new boolean[MAX_PS_ENVELOPES]; - boolean[] opd_dt = new boolean[MAX_PS_ENVELOPES]; - - /* indices */ - int[] iid_index_prev = new int[34]; - int[] icc_index_prev = new int[34]; - int[] ipd_index_prev = new int[17]; - int[] opd_index_prev = new int[17]; - int[][] iid_index = new int[MAX_PS_ENVELOPES][34]; - int[][] icc_index = new int[MAX_PS_ENVELOPES][34]; - int[][] ipd_index = new int[MAX_PS_ENVELOPES][17]; - int[][] opd_index = new int[MAX_PS_ENVELOPES][17]; - - int[] ipd_index_1 = new int[17]; - int[] opd_index_1 = new int[17]; - int[] ipd_index_2 = new int[17]; - int[] opd_index_2 = new int[17]; - /* ps data was correctly read */ - int ps_data_available; - /* a header has been read */ - public boolean header_read; - /* hybrid filterbank parameters */ - Filterbank hyb; - boolean use34hybrid_bands; - int numTimeSlotsRate; - int num_groups; - int num_hybrid_groups; - int nr_par_bands; - int nr_allpass_bands; - int decay_cutoff; - int[] group_border; - int[] map_group2bk; - /* filter delay handling */ - int saved_delay; - int[] delay_buf_index_ser = new int[NO_ALLPASS_LINKS]; - int[] num_sample_delay_ser = new int[NO_ALLPASS_LINKS]; - int[] delay_D = new int[64]; - int[] delay_buf_index_delay = new int[64]; - float[][][] delay_Qmf = new float[14][64][2]; /* 14 samples delay max, 64 QMF channels */ - - float[][][] delay_SubQmf = new float[2][32][2]; /* 2 samples delay max (SubQmf is always allpass filtered) */ - - float[][][][] delay_Qmf_ser = new float[NO_ALLPASS_LINKS][5][64][2]; /* 5 samples delay max (table 8.34), 64 QMF channels */ - - float[][][][] delay_SubQmf_ser = new float[NO_ALLPASS_LINKS][5][32][2]; /* 5 samples delay max (table 8.34) */ - /* transients */ - - float alpha_decay; - float alpha_smooth; - float[] P_PeakDecayNrg = new float[34]; - float[] P_prev = new float[34]; - float[] P_SmoothPeakDecayDiffNrg_prev = new float[34]; - /* mixing and phase */ - float[][] h11_prev = new float[50][2]; - float[][] h12_prev = new float[50][2]; - float[][] h21_prev = new float[50][2]; - float[][] h22_prev = new float[50][2]; - int phase_hist; - float[][][] ipd_prev = new float[20][2][2]; - float[][][] opd_prev = new float[20][2][2]; - - public PS(SampleFrequency sr, int numTimeSlotsRate) { - int i; - int short_delay_band; - - hyb = new Filterbank(numTimeSlotsRate); - this.numTimeSlotsRate = numTimeSlotsRate; - - this.ps_data_available = 0; - - /* delay stuff*/ - this.saved_delay = 0; - - for(i = 0; i<64; i++) { - this.delay_buf_index_delay[i] = 0; - } - - for(i = 0; i7) { - int ps_extension_id = ld.readBits(2); - - num_bits_left -= 2; - num_bits_left -= ps_extension(ld, ps_extension_id, num_bits_left); - } - - ld.skipBits(num_bits_left); - } - - int bits2 = (int) (ld.getPosition()-bits); - - this.ps_data_available = 1; - - return bits2; - } - - private int ps_extension(BitStream ld, - int ps_extension_id, - int num_bits_left) throws AACException { - int n; - long bits = ld.getPosition(); - - if(ps_extension_id==0) { - this.enable_ipdopd = ld.readBool(); - - if(this.enable_ipdopd) { - for(n = 0; n=0) { - bit = ld.readBit(); - index = t_huff[index][bit]; - } - - return index+31; - } - - /* limits the value i to the range [min,max] */ - private int delta_clip(int i, int min, int max) { - if(imax) return max; - else return i; - } - - - /* delta decode array */ - private void delta_decode(boolean enable, int[] index, int[] index_prev, - boolean dt_flag, int nr_par, int stride, - int min_index, int max_index) { - int i; - - if(enable) { - if(!dt_flag) { - /* delta coded in frequency direction */ - index[0] = 0+index[0]; - index[0] = delta_clip(index[0], min_index, max_index); - - for(i = 1; i0; i--) { - index[i] = index[i>>1]; - } - } - } - - /* delta modulo decode array */ - /* in: log2 value of the modulo value to allow using AND instead of MOD */ - private void delta_modulo_decode(boolean enable, int[] index, int[] index_prev, - boolean dt_flag, int nr_par, int stride, - int and_modulo) { - int i; - - if(enable) { - if(!dt_flag) { - /* delta coded in frequency direction */ - index[0] = 0+index[0]; - index[0] &= and_modulo; - - for(i = 1; i0; i--) { - index[i] = index[i>>1]; - } - } - } - - private void map20indexto34(int[] index, int bins) { - //index[0] = index[0]; - index[1] = (index[0]+index[1])/2; - index[2] = index[1]; - index[3] = index[2]; - index[4] = (index[2]+index[3])/2; - index[5] = index[3]; - index[6] = index[4]; - index[7] = index[4]; - index[8] = index[5]; - index[9] = index[5]; - index[10] = index[6]; - index[11] = index[7]; - index[12] = index[8]; - index[13] = index[8]; - index[14] = index[9]; - index[15] = index[9]; - index[16] = index[10]; - - if(bins==34) { - index[17] = index[11]; - index[18] = index[12]; - index[19] = index[13]; - index[20] = index[14]; - index[21] = index[14]; - index[22] = index[15]; - index[23] = index[15]; - index[24] = index[16]; - index[25] = index[16]; - index[26] = index[17]; - index[27] = index[17]; - index[28] = index[18]; - index[29] = index[18]; - index[30] = index[18]; - index[31] = index[18]; - index[32] = index[19]; - index[33] = index[19]; - } - } - - /* parse the bitstream data decoded in ps_data() */ - private void ps_data_decode() { - int env, bin; - - /* ps data not available, use data from previous frame */ - if(this.ps_data_available==0) { - this.num_env = 0; - } - - for(env = 0; envthr) { - this.border_position[env] = thr; - } - else { - thr = this.border_position[env-1]+1; - if(this.border_position[env]this.nr_allpass_bands&&gr>=this.num_hybrid_groups) { - /* delay */ - - /* never hybrid subbands here, always QMF subbands */ - tmp[0] = this.delay_Qmf[this.delay_buf_index_delay[sb]][sb][0]; - tmp[1] = this.delay_Qmf[this.delay_buf_index_delay[sb]][sb][1]; - R0[0] = tmp[0]; - R0[1] = tmp[1]; - this.delay_Qmf[this.delay_buf_index_delay[sb]][sb][0] = inputLeft[0]; - this.delay_Qmf[this.delay_buf_index_delay[sb]][sb][1] = inputLeft[1]; - } - else { - /* allpass filter */ - //int m; - float[] Phi_Fract = new float[2]; - - /* fetch parameters */ - if(gr=2) { - temp_delay = 0; - } - - /* update delay indices */ - if(sb>this.nr_allpass_bands&&gr>=this.num_hybrid_groups) { - /* delay_D depends on the samplerate, it can hold the values 14 and 1 */ - if(++this.delay_buf_index_delay[sb]>=this.delay_D[sb]) { - this.delay_buf_index_delay[sb] = 0; - } - } - - for(m = 0; m=this.num_sample_delay_ser[m]) { - temp_delay_ser[m] = 0; - } - } - } - } - } - - /* update delay indices */ - this.saved_delay = temp_delay; - for(m = 0; m=3) { - no_iid_steps = 15; - sf_iid = sf_iid_fine; - } - else { - no_iid_steps = 7; - sf_iid = sf_iid_normal; - } - - if(this.ipd_mode==0||this.ipd_mode==3) { - nr_ipdopd_par = 11; /* resolution */ - - } - else { - nr_ipdopd_par = this.nr_ipdopd_par; - } - - for(gr = 0; gr=3) { - if(this.iid_index[env][bk]<0) { - cosb = cos_betas_fine[-this.iid_index[env][bk]][this.icc_index[env][bk]]; - sinb = -sin_betas_fine[-this.iid_index[env][bk]][this.icc_index[env][bk]]; - } - else { - cosb = cos_betas_fine[this.iid_index[env][bk]][this.icc_index[env][bk]]; - sinb = sin_betas_fine[this.iid_index[env][bk]][this.icc_index[env][bk]]; - } - } - else { - if(this.iid_index[env][bk]<0) { - cosb = cos_betas_normal[-this.iid_index[env][bk]][this.icc_index[env][bk]]; - sinb = -sin_betas_normal[-this.iid_index[env][bk]][this.icc_index[env][bk]]; - } - else { - cosb = cos_betas_normal[this.iid_index[env][bk]][this.icc_index[env][bk]]; - sinb = sin_betas_normal[this.iid_index[env][bk]][this.icc_index[env][bk]]; - } - } - - ab1 = (cosb*cosa); - ab2 = (sinb*sina); - ab3 = (sinb*cosa); - ab4 = (cosb*sina); - - /* h_xy: COEF */ - h11[0] = (c_2*(ab1-ab2)); - h12[0] = (c_1*(ab1+ab2)); - h21[0] = (c_2*(ab3+ab4)); - h22[0] = (c_1*(ab3-ab4)); - } - else { - /* type 'B' mixing as described in 8.6.4.6.2.2 */ - float sina, cosa; - float cosg, sing; - - if(this.iid_mode>=3) { - int abs_iid = Math.abs(this.iid_index[env][bk]); - - cosa = sincos_alphas_B_fine[no_iid_steps+this.iid_index[env][bk]][this.icc_index[env][bk]]; - sina = sincos_alphas_B_fine[30-(no_iid_steps+this.iid_index[env][bk])][this.icc_index[env][bk]]; - cosg = cos_gammas_fine[abs_iid][this.icc_index[env][bk]]; - sing = sin_gammas_fine[abs_iid][this.icc_index[env][bk]]; - } - else { - int abs_iid = Math.abs(this.iid_index[env][bk]); - - cosa = sincos_alphas_B_normal[no_iid_steps+this.iid_index[env][bk]][this.icc_index[env][bk]]; - sina = sincos_alphas_B_normal[14-(no_iid_steps+this.iid_index[env][bk])][this.icc_index[env][bk]]; - cosg = cos_gammas_normal[abs_iid][this.icc_index[env][bk]]; - sing = sin_gammas_normal[abs_iid][this.icc_index[env][bk]]; - } - - h11[0] = (COEF_SQRT2*(cosa*cosg)); - h12[0] = (COEF_SQRT2*(sina*cosg)); - h21[0] = (COEF_SQRT2*(-cosa*sing)); - h22[0] = (COEF_SQRT2*(sina*sing)); - } - - /* calculate phase rotation parameters H_xy */ - /* note that the imaginary part of these parameters are only calculated when - IPD and OPD are enabled - */ - if((this.enable_ipdopd)&&(bk NR_ALLPASS_BANDS &&gr>=fbt.num_hybrid_groups) { + /* delay */ + float[] delay = delay_Qmf[delay_buf_index_delay[sb]][sb]; + /* never hybrid subbands here, always QMF subbands */ + r0Re = delay[0]; + r0Im = delay[1]; + delay[0] = re; + delay[1] = im; + } + else { + + float[] delayQmf = gr=2) { + temp_delay = 0; + } + + /* update delay indices */ + if(sb> NR_ALLPASS_BANDS &&gr>=fbt.num_hybrid_groups) { + /* delay_D depends on the samplerate, it can hold the values 14 and 1 */ + if(++delay_buf_index_delay[sb]>=delay_D[sb]) { + delay_buf_index_delay[sb] = 0; + } + } + + for(int m = 0; m=num_sample_delay_ser[m]) { + temp_delay_ser[m] = 0; + } + } + } + } + } + + /* update delay indices */ + saved_delay = temp_delay; + System.arraycopy(temp_delay_ser, 0, delay_buf_index_ser, 0, NO_ALLPASS_LINKS); + } + + private static float magnitude_c(float[] c) { + return (float) Math.sqrt(c[0]*c[0]+c[1]*c[1]); + } + + private void ps_mix_phase(float[][][] X_left, float[][][] X_right, + float[][][] X_hybrid_left, float[][][] X_hybrid_right) { + + float[] h11 = new float[2], h12 = new float[2], h21 = new float[2], h22 = new float[2]; + float[] H11 = new float[2], H12 = new float[2], H21 = new float[2], H22 = new float[2]; + float[] deltaH11 = new float[2], deltaH12 = new float[2], deltaH21 = new float[2], deltaH22 = new float[2]; + float[] tempLeft = new float[2]; + float[] tempRight = new float[2]; + float[] phaseLeft = new float[2]; + float[] phaseRight = new float[2]; + + IIDTables tables = iid.mode().tables(); + + for(int gr = 0; gr 7) { + ps_extension(ld); + } + } + + ps_data_available = true; + } + + private void ps_extension(BitStream ld) { + int ps_extension_id = ld.readBits(2); + + if (ps_extension_id == 0) { + enable_ipdopd = ld.readBool(); + + if (enable_ipdopd) { + for (int n = 0; n < num_env; n++) { + ipd_dt[n] = ld.readBool(); + + /* ipd_data */ + huff_data(ld, ipd_dt[n], nr_ipdopd_par, t_huff_ipd, + f_huff_ipd, ipd_index[n]); + + opd_dt[n] = ld.readBool(); + + /* opd_data */ + huff_data(ld, opd_dt[n], nr_ipdopd_par, t_huff_opd, + f_huff_opd, opd_index[n]); + } + } + ld.readBit(); //reserved + } + } + + /* read huffman data coded in either the frequency or the time direction */ + private static void huff_data(BitStream ld, boolean dt, int nr_par, + int[][] t_huff, int[][] f_huff, int[] par) { + + if (dt) { + /* coded in time direction */ + for (int n = 0; n < nr_par; n++) { + par[n] = ps_huff_dec(ld, t_huff); + } + } else { + /* coded in frequency direction */ + par[0] = ps_huff_dec(ld, f_huff); + + for (int n = 1; n < nr_par; n++) { + par[n] = ps_huff_dec(ld, f_huff); + } + } + } + + /* binary search huffman decoding */ + private static int ps_huff_dec(BitStream ld, int[][] t_huff) { + int index = 0; + + while (index >= 0) { + int bit = ld.readBit(); + index = t_huff[index][bit]; + } + + return index + 31; + } + + /* limits the value i to the range [min,max] */ + private static int delta_clip(int i, int min, int max) { + if (i < min) + return min; + else return Math.min(i, max); + } + + + /* delta decode array */ + private static void delta_decode(boolean enable, int[] index, int[] index_prev, + boolean dt_flag, int nr_par, int stride, + int min_index, int max_index) { + + if (enable) { + if (!dt_flag) { + /* delta coded in frequency direction */ + index[0] = 0 + index[0]; + index[0] = delta_clip(index[0], min_index, max_index); + + for (int i = 1; i < nr_par; i++) { + index[i] = index[i - 1] + index[i]; + index[i] = delta_clip(index[i], min_index, max_index); + } + } else { + /* delta coded in time direction */ + for (int i = 0; i < nr_par; i++) { + //int8_t tmp2; + //int8_t tmp = index[i]; + + //printf("%d %d\n", index_prev[i*stride], index[i]); + //printf("%d\n", index[i]); + index[i] = index_prev[i * stride] + index[i]; + //tmp2 = index[i]; + index[i] = delta_clip(index[i], min_index, max_index); + + //if (iid) + //{ + // if (index[i] == 7) + // { + // printf("%d %d %d\n", index_prev[i*stride], tmp, tmp2); + // } + //} + } + } + } else { + /* set indices to zero */ + for (int i = 0; i < nr_par; i++) { + index[i] = 0; + } + } + + /* coarse */ + if (stride == 2) { + for (int i = (nr_par << 1) - 1; i > 0; i--) { + index[i] = index[i >> 1]; + } + } + } + + /* delta modulo decode array */ + /* in: log2 value of the modulo value to allow using AND instead of MOD */ + private static void delta_modulo_decode(boolean enable, int[] index, int[] index_prev, + boolean dt_flag, int nr_par, int stride, + int and_modulo) { + + if (enable) { + if (!dt_flag) { + /* delta coded in frequency direction */ + index[0] = 0 + index[0]; + index[0] &= and_modulo; + + for (int i = 1; i < nr_par; i++) { + index[i] = index[i - 1] + index[i]; + index[i] &= and_modulo; + } + } else { + /* delta coded in time direction */ + for (int i = 0; i < nr_par; i++) { + index[i] = index_prev[i * stride] + index[i]; + index[i] &= and_modulo; + } + } + } else { + /* set indices to zero */ + for (int i = 0; i < nr_par; i++) { + index[i] = 0; + } + } + + /* coarse */ + if (stride == 2) { + index[0] = 0; + for (int i = (nr_par << 1) - 1; i > 0; i--) { + index[i] = index[i >> 1]; + } + } + } + + private static void map20indexto34(int[] index, int bins) { + //index[0] = index[0]; + index[1] = (index[0] + index[1]) / 2; + index[2] = index[1]; + index[3] = index[2]; + index[4] = (index[2] + index[3]) / 2; + index[5] = index[3]; + index[6] = index[4]; + index[7] = index[4]; + index[8] = index[5]; + index[9] = index[5]; + index[10] = index[6]; + index[11] = index[7]; + index[12] = index[8]; + index[13] = index[8]; + index[14] = index[9]; + index[15] = index[9]; + index[16] = index[10]; + + if (bins == 34) { + index[17] = index[11]; + index[18] = index[12]; + index[19] = index[13]; + index[20] = index[14]; + index[21] = index[14]; + index[22] = index[15]; + index[23] = index[15]; + index[24] = index[16]; + index[25] = index[16]; + index[26] = index[17]; + index[27] = index[17]; + index[28] = index[18]; + index[29] = index[18]; + index[30] = index[18]; + index[31] = index[18]; + index[32] = index[19]; + index[33] = index[19]; + } + } + + /* parse the bitstream data decoded in ps_data() */ + private void ps_data_decode() { + + /* ps data not available, use data from previous frame */ + if (!ps_data_available) { + num_env = 0; + } + + for (int env = 0; env < num_env; env++) { + + int num_iid_steps = (iid_mode < 3) ? 7 : 15 /*fine quant*/; + +// iid = 1; + /* delta decode iid parameters */ + delta_decode(enable_iid, iid_index[env], + env == 0 ? iid_index_prev : iid_index[env - 1], + iid_dt[env], nr_iid_par, + (iid_mode == 0 || iid_mode == 3) ? 2 : 1, + -num_iid_steps, num_iid_steps); +// iid = 0; + + /* delta decode icc parameters */ + delta_decode(enable_icc, icc_index[env], + env == 0 ? icc_index_prev : icc_index[env - 1], + icc_dt[env], nr_icc_par, + (icc_mode == 0 || icc_mode == 3) ? 2 : 1, + 0, 7); + + /* delta modulo decode ipd parameters */ + delta_modulo_decode(enable_ipdopd, ipd_index[env], + env == 0 ? ipd_index_prev : ipd_index[env - 1], + ipd_dt[env], nr_ipdopd_par, 1, 7); + + /* delta modulo decode opd parameters */ + delta_modulo_decode(enable_ipdopd, opd_index[env], + env == 0 ? opd_index_prev : opd_index[env - 1], + opd_dt[env], nr_ipdopd_par, 1, 7); + } + + /* handle error case */ + if (num_env == 0) { + /* force to 1 */ + num_env = 1; + + if (enable_iid) { + for (int bin = 0; bin < 34; bin++) { + iid_index[0][bin] = iid_index_prev[bin]; + } + } else { + for (int bin = 0; bin < 34; bin++) { + iid_index[0][bin] = 0; + } + } + + if (enable_icc) { + for (int bin = 0; bin < 34; bin++) { + icc_index[0][bin] = icc_index_prev[bin]; + } + } else { + for (int bin = 0; bin < 34; bin++) { + icc_index[0][bin] = 0; + } + } + + if (enable_ipdopd) { + for (int bin = 0; bin < 17; bin++) { + ipd_index[0][bin] = ipd_index_prev[bin]; + opd_index[0][bin] = opd_index_prev[bin]; + } + } else { + for (int bin = 0; bin < 17; bin++) { + ipd_index[0][bin] = 0; + opd_index[0][bin] = 0; + } + } + } + + /* update previous indices */ + for (int bin = 0; bin < 34; bin++) { + iid_index_prev[bin] = iid_index[num_env - 1][bin]; + } + for (int bin = 0; bin < 34; bin++) { + icc_index_prev[bin] = icc_index[num_env - 1][bin]; + } + for (int bin = 0; bin < 17; bin++) { + ipd_index_prev[bin] = ipd_index[num_env - 1][bin]; + opd_index_prev[bin] = opd_index[num_env - 1][bin]; + } + + ps_data_available = false; + + if (frame_class == 0) { + border_position[0] = 0; + for (int env = 1; env < num_env; env++) { + border_position[env] = (env * numTimeSlotsRate) / num_env; + } + border_position[num_env] = numTimeSlotsRate; + } else { + border_position[0] = 0; + + if (border_position[num_env] < numTimeSlotsRate) { + for (int bin = 0; bin < 34; bin++) { + iid_index[num_env][bin] = iid_index[num_env - 1][bin]; + icc_index[num_env][bin] = icc_index[num_env - 1][bin]; + } + for (int bin = 0; bin < 17; bin++) { + ipd_index[num_env][bin] = ipd_index[num_env - 1][bin]; + opd_index[num_env][bin] = opd_index[num_env - 1][bin]; + } + num_env++; + border_position[num_env] = numTimeSlotsRate; + } + + for (int env = 1; env < num_env; env++) { + int thr = numTimeSlotsRate - (num_env - env); + + if (border_position[env] > thr) { + border_position[env] = thr; + } else { + thr = border_position[env - 1] + 1; + if (border_position[env] < thr) { + border_position[env] = thr; + } + } + } + } + + /* make sure that the indices of all parameters can be mapped + * to the same hybrid synthesis filterbank + */ + if (fbt == FBType.T34) { + for (int env = 0; env < num_env; env++) { + if (iid_mode != 2 && iid_mode != 5) + map20indexto34(iid_index[env], 34); + if (icc_mode != 2 && icc_mode != 5) + map20indexto34(icc_index[env], 34); + if (ipd_mode != 2 && ipd_mode != 5) { + map20indexto34(ipd_index[env], 17); + map20indexto34(opd_index[env], 17); + } + } + } + } + + /* decorrelate the mono signal using an allpass filter */ + private void ps_decorrelate(float[][][] X_left, float[][][] X_right, + float[][][] X_hybrid_left, float[][][] X_hybrid_right) { + float[][] P = new float[32][34]; + float[][] G_TransientRatio = new float[32][34]; + + /* clear the energy values */ + for (int n = 0; n < 32; n++) { + for (int bk = 0; bk < 34; bk++) { + P[n][bk] = 0; + } + } + + /* calculate the energy in each parameter band b(k) */ + for (int gr = 0; gr < fbt.num_groups; gr++) { + /* select the parameter index b(k) to which this group belongs */ + int bk = fbt.bk(gr); + + /* select the upper subband border for this group */ + int maxsb = (gr < fbt.num_hybrid_groups) ? fbt.group_border[gr] + 1 : fbt.group_border[gr + 1]; + float[][][] Xl = gr < fbt.num_hybrid_groups ? X_hybrid_left : X_left; + + for (int n = border_position[0]; n < border_position[num_env]; n++) { + float[] p = P[n]; + for (int sb = fbt.group_border[gr]; sb < maxsb; sb++) { + float[] xl = Xl[n][sb]; + float re = xl[0]; + float im = xl[1]; + /* accumulate energy */ + p[bk] += (re * re) + (im * im); + } + } + } + + /* calculate transient reduction ratio for each parameter band b(k) */ + for (int bk = 0; bk < fbt.nr_par_bands; bk++) { + for (int n = border_position[0]; n < border_position[num_env]; n++) { + float gamma = 1.5f; + + P_PeakDecayNrg[bk] = (P_PeakDecayNrg[bk] * ALPHA_DECAY); + if (P_PeakDecayNrg[bk] < P[n][bk]) + P_PeakDecayNrg[bk] = P[n][bk]; + + /* apply smoothing filter to peak decay energy */ + float P_SmoothPeakDecayDiffNrg = P_SmoothPeakDecayDiffNrg_prev[bk]; + P_SmoothPeakDecayDiffNrg += ((P_PeakDecayNrg[bk] - P[n][bk] - P_SmoothPeakDecayDiffNrg_prev[bk]) * ALPHA_SMOOTH); + P_SmoothPeakDecayDiffNrg_prev[bk] = P_SmoothPeakDecayDiffNrg; + + /* apply smoothing filter to energy */ + float nrg = P_prev[bk]; + nrg += ((P[n][bk] - P_prev[bk]) * ALPHA_SMOOTH); + P_prev[bk] = nrg; + + /* calculate transient ratio */ + if ((P_SmoothPeakDecayDiffNrg * gamma) <= nrg) { + G_TransientRatio[n][bk] = 1.0f; + } else { + G_TransientRatio[n][bk] = (nrg / (P_SmoothPeakDecayDiffNrg * gamma)); + } + } + } + + int temp_delay = 0; + int[] temp_delay_ser = new int[NO_ALLPASS_LINKS]; + float[] g_DecaySlope_filt = new float[NO_ALLPASS_LINKS]; + + /* apply stereo decorrelation filter to the signal */ + for (int gr = 0; gr < fbt.num_groups; gr++) { + int maxsb; + if (gr < fbt.num_hybrid_groups) + maxsb = fbt.group_border[gr] + 1; + else + maxsb = fbt.group_border[gr + 1]; + + float[][][] Xl = gr < fbt.num_hybrid_groups ? X_hybrid_left : X_left; + float[][][] Xr = gr < fbt.num_hybrid_groups ? X_hybrid_right : X_right; + float[][][][] delay_ser = gr < fbt.num_hybrid_groups ? delay_SubQmf_ser : delay_Qmf_ser; + float[][][] qFractAllpassQmf = gr < fbt.num_hybrid_groups ? fbt.qFractAllpassSubQmf : Q_Fract_allpass_Qmf; + + /* QMF channel */ + for (int sb = fbt.group_border[gr]; sb < maxsb; sb++) { + float g_DecaySlope; + + /* g_DecaySlope: [0..1] */ + if (gr < fbt.num_hybrid_groups || sb <= fbt.decay_cutoff) { + g_DecaySlope = 1.0f; + } else { + int decay = fbt.decay_cutoff - sb; + if (decay <= -20 /* -1/DECAY_SLOPE */) { + g_DecaySlope = 0; + } else { + /* decay(int)*decay_slope(frac) = g_DecaySlope(frac) */ + g_DecaySlope = 1.0f + DECAY_SLOPE * decay; + } + } + + /* calculate g_DecaySlope_filt for every m multiplied by filter_a[m] */ + for (int m = 0; m < NO_ALLPASS_LINKS; m++) { + g_DecaySlope_filt[m] = g_DecaySlope * filter_a[m]; + } + + /* set delay indices */ + temp_delay = saved_delay; + for (int n = 0; n < NO_ALLPASS_LINKS; n++) { + temp_delay_ser[n] = delay_buf_index_ser[n]; + } + + for (int n = border_position[0]; n < border_position[num_env]; n++) { + + float r0Re, r0Im; + + float re = Xl[n][sb][0]; + float im = Xl[n][sb][1]; + + if (sb > NR_ALLPASS_BANDS && gr >= fbt.num_hybrid_groups) { + /* delay */ + float[] delay = delay_Qmf[delay_buf_index_delay[sb]][sb]; + /* never hybrid subbands here, always QMF subbands */ + r0Re = delay[0]; + r0Im = delay[1]; + delay[0] = re; + delay[1] = im; + } else { + + float[] delayQmf = gr < fbt.num_hybrid_groups ? delay_SubQmf[temp_delay][sb] : delay_Qmf[temp_delay][sb]; + + /* allpass filter */ + //int m; + float[] Phi_Fract = gr < fbt.num_hybrid_groups ? fbt.phiFract[sb] : Phi_Fract_Qmf[sb]; + + float tmp0Re = delayQmf[0]; + float tmp0Im = delayQmf[1]; + + delayQmf[0] = re; + delayQmf[1] = im; + + /* z^(-2) * Phi_Fract[k] */ + r0Re = (tmp0Re * Phi_Fract[0]) + (tmp0Im * Phi_Fract[1]); + r0Im = (tmp0Im * Phi_Fract[0]) - (tmp0Re * Phi_Fract[1]); + + for (int m = 0; m < NO_ALLPASS_LINKS; m++) { + + float[] qFractAllpass = qFractAllpassQmf[sb][m]; + float[] delay = delay_ser[m][temp_delay_ser[m]][sb]; + + tmp0Re = delay[0]; + tmp0Im = delay[1]; + + /* delay by a fraction */ + /* z^(-d(m)) * qFractAllpass[k,m] */ + float tmpRe = (tmp0Re * qFractAllpass[0]) + (tmp0Im * qFractAllpass[1]); + float tmpIm = (tmp0Im * qFractAllpass[0]) - (tmp0Re * qFractAllpass[1]); + + /* -a(m) * g_DecaySlope[k] */ + tmpRe -= g_DecaySlope_filt[m] * r0Re; + tmpIm -= g_DecaySlope_filt[m] * r0Im; + + /* -a(m) * g_DecaySlope[k] * qFractAllpass[k,m] * z^(-d(m)) */ + delay[0] = r0Re + (g_DecaySlope_filt[m] * tmpRe); + delay[1] = r0Im + (g_DecaySlope_filt[m] * tmpIm); + + /* store for next iteration (or as output value if last iteration) */ + r0Re = tmpRe; + r0Im = tmpIm; + } + } + + /* select b(k) for reading the transient ratio */ + int bk = fbt.bk(gr); + + /* duck if a past transient is found */ + Xr[n][sb][0] = (G_TransientRatio[n][bk] * r0Re); + Xr[n][sb][1] = (G_TransientRatio[n][bk] * r0Im); + + /* Update delay buffer index */ + if (++temp_delay >= 2) { + temp_delay = 0; + } + + /* update delay indices */ + if (sb > NR_ALLPASS_BANDS && gr >= fbt.num_hybrid_groups) { + /* delay_D depends on the samplerate, it can hold the values 14 and 1 */ + if (++delay_buf_index_delay[sb] >= delay_D[sb]) { + delay_buf_index_delay[sb] = 0; + } + } + + for (int m = 0; m < NO_ALLPASS_LINKS; m++) { + if (++temp_delay_ser[m] >= num_sample_delay_ser[m]) { + temp_delay_ser[m] = 0; + } + } + } + } + } + + /* update delay indices */ + saved_delay = temp_delay; + System.arraycopy(temp_delay_ser, 0, delay_buf_index_ser, 0, NO_ALLPASS_LINKS); + } + + private static float magnitude_c(float[] c) { + return (float) Math.sqrt(c[0] * c[0] + c[1] * c[1]); + } + + private void ps_mix_phase(float[][][] X_left, float[][][] X_right, + float[][][] X_hybrid_left, float[][][] X_hybrid_right) { + + float[] h11 = new float[2], h12 = new float[2], h21 = new float[2], h22 = new float[2]; + float[] H11 = new float[2], H12 = new float[2], H21 = new float[2], H22 = new float[2]; + float[] deltaH11 = new float[2], deltaH12 = new float[2], deltaH21 = new float[2], deltaH22 = new float[2]; + float[] tempLeft = new float[2]; + float[] tempRight = new float[2]; + float[] phaseLeft = new float[2]; + float[] phaseRight = new float[2]; + float[] sf_iid; + int no_iid_steps; + + if (iid_mode >= 3) { + no_iid_steps = 15; + sf_iid = sf_iid_fine; + } else { + no_iid_steps = 7; + sf_iid = sf_iid_normal; + } + + int nr_ipdopd_par; // local version + if (ipd_mode == 0 || ipd_mode == 3) { + nr_ipdopd_par = 11; /* resolution */ + } else { + nr_ipdopd_par = this.nr_ipdopd_par; + } + + for (int gr = 0; gr < fbt.num_groups; gr++) { + int bk = fbt.bk(gr); + + /* use one channel per group in the subqmf domain */ + int maxsb = (gr < fbt.num_hybrid_groups) ? fbt.group_border[gr] + 1 : fbt.group_border[gr + 1]; + + for (int env = 0; env < num_env; env++) { + if (icc_mode < 3) { + /* type 'A' mixing as described in 8.6.4.6.2.1 */ + float c_1, c_2; + float cosa, sina; + float cosb, sinb; + float ab1, ab2; + float ab3, ab4; + + /* + c_1 = sqrt(2.0 / (1.0 + pow(10.0, quant_iid[no_iid_steps + iid_index] / 10.0))); + c_2 = sqrt(2.0 / (1.0 + pow(10.0, quant_iid[no_iid_steps - iid_index] / 10.0))); + alpha = 0.5 * acos(quant_rho[icc_index]); + beta = alpha * ( c_1 - c_2 ) / sqrt(2.0); + */ + //printf("%d\n", ps.iid_index[env][bk]); + + /* calculate the scalefactors c_1 and c_2 from the intensity differences */ + c_1 = sf_iid[no_iid_steps + iid_index[env][bk]]; + c_2 = sf_iid[no_iid_steps - iid_index[env][bk]]; + + /* calculate alpha and beta using the ICC parameters */ + cosa = cos_alphas[icc_index[env][bk]]; + sina = sin_alphas[icc_index[env][bk]]; + + if (iid_mode >= 3) { + if (iid_index[env][bk] < 0) { + cosb = cos_betas_fine[-iid_index[env][bk]][icc_index[env][bk]]; + sinb = -sin_betas_fine[-iid_index[env][bk]][icc_index[env][bk]]; + } else { + cosb = cos_betas_fine[iid_index[env][bk]][icc_index[env][bk]]; + sinb = sin_betas_fine[iid_index[env][bk]][icc_index[env][bk]]; + } + } else { + if (iid_index[env][bk] < 0) { + cosb = cos_betas_normal[-iid_index[env][bk]][icc_index[env][bk]]; + sinb = -sin_betas_normal[-iid_index[env][bk]][icc_index[env][bk]]; + } else { + cosb = cos_betas_normal[iid_index[env][bk]][icc_index[env][bk]]; + sinb = sin_betas_normal[iid_index[env][bk]][icc_index[env][bk]]; + } + } + + ab1 = (cosb * cosa); + ab2 = (sinb * sina); + ab3 = (sinb * cosa); + ab4 = (cosb * sina); + + /* h_xy: COEF */ + h11[0] = (c_2 * (ab1 - ab2)); + h12[0] = (c_1 * (ab1 + ab2)); + h21[0] = (c_2 * (ab3 + ab4)); + h22[0] = (c_1 * (ab3 - ab4)); + } else { + /* type 'B' mixing as described in 8.6.4.6.2.2 */ + float sina, cosa; + float cosg, sing; + + if (iid_mode >= 3) { + int abs_iid = Math.abs(iid_index[env][bk]); + + cosa = sincos_alphas_B_fine[no_iid_steps + iid_index[env][bk]][icc_index[env][bk]]; + sina = sincos_alphas_B_fine[30 - (no_iid_steps + iid_index[env][bk])][icc_index[env][bk]]; + cosg = cos_gammas_fine[abs_iid][icc_index[env][bk]]; + sing = sin_gammas_fine[abs_iid][icc_index[env][bk]]; + } else { + int abs_iid = Math.abs(iid_index[env][bk]); + + cosa = sincos_alphas_B_normal[no_iid_steps + iid_index[env][bk]][icc_index[env][bk]]; + sina = sincos_alphas_B_normal[14 - (no_iid_steps + iid_index[env][bk])][icc_index[env][bk]]; + cosg = cos_gammas_normal[abs_iid][icc_index[env][bk]]; + sing = sin_gammas_normal[abs_iid][icc_index[env][bk]]; + } + + h11[0] = (COEF_SQRT2 * (cosa * cosg)); + h12[0] = (COEF_SQRT2 * (sina * cosg)); + h21[0] = (COEF_SQRT2 * (-cosa * sing)); + h22[0] = (COEF_SQRT2 * (sina * sing)); + } + + /* calculate phase rotation parameters H_xy */ + /* note that the imaginary part of these parameters are only calculated when + IPD and OPD are enabled + */ + if ((enable_ipdopd) && (bk < nr_ipdopd_par)) { + + /* ringbuffer index */ + int i = phase_hist; + + /* previous value */ + tempLeft[0] = (ipd_prev[bk][i][0] * 0.25f); + tempLeft[1] = (ipd_prev[bk][i][1] * 0.25f); + tempRight[0] = (opd_prev[bk][i][0] * 0.25f); + tempRight[1] = (opd_prev[bk][i][1] * 0.25f); + + /* save current value */ + ipd_prev[bk][i][0] = ipdopd_cos_tab[Math.abs(ipd_index[env][bk])]; + ipd_prev[bk][i][1] = ipdopd_sin_tab[Math.abs(ipd_index[env][bk])]; + opd_prev[bk][i][0] = ipdopd_cos_tab[Math.abs(opd_index[env][bk])]; + opd_prev[bk][i][1] = ipdopd_sin_tab[Math.abs(opd_index[env][bk])]; + + /* add current value */ + tempLeft[0] += ipd_prev[bk][i][0]; + tempLeft[1] += ipd_prev[bk][i][1]; + tempRight[0] += opd_prev[bk][i][0]; + tempRight[1] += opd_prev[bk][i][1]; + + /* ringbuffer index */ + if (i == 0) { + i = 2; + } + i--; + + /* get value before previous */ + tempLeft[0] += (ipd_prev[bk][i][0] * 0.5f); + tempLeft[1] += (ipd_prev[bk][i][1] * 0.5f); + tempRight[0] += (opd_prev[bk][i][0] * 0.5f); + tempRight[1] += (opd_prev[bk][i][1] * 0.5f); + + float xy = magnitude_c(tempRight); + float pq = magnitude_c(tempLeft); + + if (xy != 0) { + phaseLeft[0] = (tempRight[0] / xy); + phaseLeft[1] = (tempRight[1] / xy); + } else { + phaseLeft[0] = 0; + phaseLeft[1] = 0; + } + + float xypq = (xy * pq); + + if (xypq != 0) { + float tmp1 = (tempRight[0] * tempLeft[0]) + (tempRight[1] * tempLeft[1]); + float tmp2 = (tempRight[1] * tempLeft[0]) - (tempRight[0] * tempLeft[1]); + + phaseRight[0] = (tmp1 / xypq); + phaseRight[1] = (tmp2 / xypq); + } else { + phaseRight[0] = 0; + phaseRight[1] = 0; + } + + /* MUL_F(COEF, REAL) = COEF */ + h11[1] = (h11[0] * phaseLeft[1]); + h12[1] = (h12[0] * phaseRight[1]); + h21[1] = (h21[0] * phaseLeft[1]); + h22[1] = (h22[0] * phaseRight[1]); + + h11[0] = (h11[0] * phaseLeft[0]); + h12[0] = (h12[0] * phaseRight[0]); + h21[0] = (h21[0] * phaseLeft[0]); + h22[0] = (h22[0] * phaseRight[0]); + } + + /* length of the envelope n_e+1 - n_e (in time samples) */ + /* 0 < L <= 32: integer */ + float L = (float) (border_position[env + 1] - border_position[env]); + + /* obtain final H_xy by means of linear interpolation */ + deltaH11[0] = (h11[0] - h11_prev[gr][0]) / L; + deltaH12[0] = (h12[0] - h12_prev[gr][0]) / L; + deltaH21[0] = (h21[0] - h21_prev[gr][0]) / L; + deltaH22[0] = (h22[0] - h22_prev[gr][0]) / L; + + H11[0] = h11_prev[gr][0]; + H12[0] = h12_prev[gr][0]; + H21[0] = h21_prev[gr][0]; + H22[0] = h22_prev[gr][0]; + + h11_prev[gr][0] = h11[0]; + h12_prev[gr][0] = h12[0]; + h21_prev[gr][0] = h21[0]; + h22_prev[gr][0] = h22[0]; + + /* only calculate imaginary part when needed */ + if ((enable_ipdopd) && (bk < nr_ipdopd_par)) { + /* obtain final H_xy by means of linear interpolation */ + deltaH11[1] = (h11[1] - h11_prev[gr][1]) / L; + deltaH12[1] = (h12[1] - h12_prev[gr][1]) / L; + deltaH21[1] = (h21[1] - h21_prev[gr][1]) / L; + deltaH22[1] = (h22[1] - h22_prev[gr][1]) / L; + + H11[1] = h11_prev[gr][1]; + H12[1] = h12_prev[gr][1]; + H21[1] = h21_prev[gr][1]; + H22[1] = h22_prev[gr][1]; + + if (fbt.bkm(gr)) { + deltaH11[1] = -deltaH11[1]; + deltaH12[1] = -deltaH12[1]; + deltaH21[1] = -deltaH21[1]; + deltaH22[1] = -deltaH22[1]; + + H11[1] = -H11[1]; + H12[1] = -H12[1]; + H21[1] = -H21[1]; + H22[1] = -H22[1]; + } + + h11_prev[gr][1] = h11[1]; + h12_prev[gr][1] = h12[1]; + h21_prev[gr][1] = h21[1]; + h22_prev[gr][1] = h22[1]; + } + + /* apply H_xy to the current envelope band of the decorrelated subband */ + for (int n = border_position[env]; n < border_position[env + 1]; n++) { + /* addition finalises the interpolation over every n */ + H11[0] += deltaH11[0]; + H12[0] += deltaH12[0]; + H21[0] += deltaH21[0]; + H22[0] += deltaH22[0]; + if ((enable_ipdopd) && (bk < nr_ipdopd_par)) { + H11[1] += deltaH11[1]; + H12[1] += deltaH12[1]; + H21[1] += deltaH21[1]; + H22[1] += deltaH22[1]; + } + + /* channel is an alias to the subband */ + for (int sb = fbt.group_border[gr]; sb < maxsb; sb++) { + float[] inLeft = new float[2], inRight = new float[2]; + + /* load decorrelated samples */ + if (gr < fbt.num_hybrid_groups) { + inLeft[0] = X_hybrid_left[n][sb][0]; + inLeft[1] = X_hybrid_left[n][sb][1]; + inRight[0] = X_hybrid_right[n][sb][0]; + inRight[1] = X_hybrid_right[n][sb][1]; + } else { + inLeft[0] = X_left[n][sb][0]; + inLeft[1] = X_left[n][sb][1]; + inRight[0] = X_right[n][sb][0]; + inRight[1] = X_right[n][sb][1]; + } + + /* apply mixing */ + tempLeft[0] = (H11[0] * inLeft[0]) + (H21[0] * inRight[0]); + tempLeft[1] = (H11[0] * inLeft[1]) + (H21[0] * inRight[1]); + tempRight[0] = (H12[0] * inLeft[0]) + (H22[0] * inRight[0]); + tempRight[1] = (H12[0] * inLeft[1]) + (H22[0] * inRight[1]); + + /* only perform imaginary operations when needed */ + if ((enable_ipdopd) && (bk < nr_ipdopd_par)) { + /* apply rotation */ + tempLeft[0] -= (H11[1] * inLeft[1]) + (H21[1] * inRight[1]); + tempLeft[1] += (H11[1] * inLeft[0]) + (H21[1] * inRight[0]); + tempRight[0] -= (H12[1] * inLeft[1]) + (H22[1] * inRight[1]); + tempRight[1] += (H12[1] * inLeft[0]) + (H22[1] * inRight[0]); + } + + /* store final samples */ + if (gr < fbt.num_hybrid_groups) { + X_hybrid_left[n][sb][0] = tempLeft[0]; + X_hybrid_left[n][sb][1] = tempLeft[1]; + X_hybrid_right[n][sb][0] = tempRight[0]; + X_hybrid_right[n][sb][1] = tempRight[1]; + } else { + X_left[n][sb][0] = tempLeft[0]; + X_left[n][sb][1] = tempLeft[1]; + X_right[n][sb][0] = tempRight[0]; + X_right[n][sb][1] = tempRight[1]; + } + } + } + + /* shift phase smoother's circular buffer index */ + phase_hist++; + if (phase_hist == 2) { + phase_hist = 0; + } + } + } + } + + /* main Parametric Stereo decoding function */ + @Override + public void process(float[][][] X_left, float[][][] X_right) { + float[][][] X_hybrid_left = new float[32][32][2]; + float[][][] X_hybrid_right = new float[32][32][2]; + + /* delta decoding of the bitstream data */ + ps_data_decode(); + + /* Perform further analysis on the lowest subbands to get a higher + * frequency resolution + */ + hyb.hybrid_analysis(X_left, X_hybrid_left, fbt); + + /* decorrelate mono signal */ + ps_decorrelate(X_left, X_right, X_hybrid_left, X_hybrid_right); + + /* apply mixing and phase parameters */ + ps_mix_phase(X_left, X_right, X_hybrid_left, X_hybrid_right); + + /* hybrid synthesis, to rebuild the SBR QMF matrices */ + hyb.hybrid_synthesis(X_left, X_hybrid_left, fbt); + + hyb.hybrid_synthesis(X_right, X_hybrid_right, fbt); + } + +} diff --git a/src/main/java/net/sourceforge/jaad/aac/ps/PSTables.java b/src/main/java/net/sourceforge/jaad/aac/ps/PSTables.java index c49587e9..21bc4492 100644 --- a/src/main/java/net/sourceforge/jaad/aac/ps/PSTables.java +++ b/src/main/java/net/sourceforge/jaad/aac/ps/PSTables.java @@ -2,582 +2,531 @@ interface PSTables extends PSConstants { - /* type definitaions */ - /* static data tables */ - int[] nr_iid_par_tab = { - 10, 20, 34, 10, 20, 34, 0, 0 - }; - int[] nr_icc_par_tab = { - 10, 20, 34, 10, 20, 34, 0, 0 - }; - int[] nr_ipdopd_par_tab = { - 5, 11, 17, 5, 11, 17, 0, 0 - }; - int[][] num_env_tab = { - {0, 1, 2, 4}, - {1, 2, 3, 4} - }; - float[] filter_a = { /* a(m) = exp(-d_48kHz(m)/7) */ - 0.65143905753106f, - 0.56471812200776f, - 0.48954165955695f - }; - - int[] group_border20 = { - 6, 7, 0, 1, 2, 3, /* 6 subqmf subbands */ - 9, 8, /* 2 subqmf subbands */ - 10, 11, /* 2 subqmf subbands */ - 3, 4, 5, 6, 7, 8, 9, 11, 14, 18, 23, 35, 64 - }; - - int[] group_border34 = { - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, /* 12 subqmf subbands */ - 12, 13, 14, 15, 16, 17, 18, 19, /* 8 subqmf subbands */ - 20, 21, 22, 23, /* 4 subqmf subbands */ - 24, 25, 26, 27, /* 4 subqmf subbands */ - 28, 29, 30, 31, /* 4 subqmf subbands */ - 32-27, 33-27, 34-27, 35-27, 36-27, 37-27, 38-27, 40-27, 42-27, 44-27, 46-27, 48-27, 51-27, 54-27, 57-27, 60-27, 64-27, 68-27, 91-27 - }; - - int[] map_group2bk20 = { - (NEGATE_IPD_MASK|1), (NEGATE_IPD_MASK|0), - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 - }; - - int[] map_group2bk34 = { - 0, 1, 2, 3, 4, 5, 6, 6, 7, (NEGATE_IPD_MASK|2), (NEGATE_IPD_MASK|1), (NEGATE_IPD_MASK|0), - 10, 10, 4, 5, 6, 7, 8, 9, - 10, 11, 12, 9, - 14, 11, 12, 13, - 14, 15, 16, 13, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 - }; - - int[] delay_length_d = {3, 4, 5 /* d_48kHz */}; - /* tables */ - /* filters are mirrored in coef 6, second half left out */ - float[] p8_13_20 = { - 0.00746082949812f, - 0.02270420949825f, - 0.04546865930473f, - 0.07266113929591f, - 0.09885108575264f, - 0.11793710567217f, - 0.125f - }; - - float[] p2_13_20 = { - 0.0f, - 0.01899487526049f, - 0.0f, - -0.07293139167538f, - 0.0f, - 0.30596630545168f, - 0.5f - }; - - float[] p12_13_34 = { - 0.04081179924692f, - 0.03812810994926f, - 0.05144908135699f, - 0.06399831151592f, - 0.07428313801106f, - 0.08100347892914f, - 0.08333333333333f - }; - - float[] p8_13_34 = { - 0.01565675600122f, - 0.03752716391991f, - 0.05417891378782f, - 0.08417044116767f, - 0.10307344158036f, - 0.12222452249753f, - 0.125f - }; - - float[] p4_13_34 = { - -0.05908211155639f, - -0.04871498374946f, - 0.0f, - 0.07778723915851f, - 0.16486303567403f, - 0.23279856662996f, - 0.25f - }; - - /* RE(ps->Phi_Fract_Qmf[j]) = (float)cos(M_PI*(j+0.5)*(0.39)); */ - /* IM(ps->Phi_Fract_Qmf[j]) = (float)sin(M_PI*(j+0.5)*(0.39)); */ - float[][] Phi_Fract_Qmf = { - {0.8181497455f, 0.5750052333f}, - {-0.2638730407f, 0.9645574093f}, - {-0.9969173074f, 0.0784590989f}, - {-0.4115143716f, -0.9114032984f}, - {0.7181262970f, -0.6959127784f}, - {0.8980275989f, 0.4399391711f}, - {-0.1097343117f, 0.9939609766f}, - {-0.9723699093f, 0.2334453613f}, - {-0.5490227938f, -0.8358073831f}, - {0.6004202366f, -0.7996846437f}, - {0.9557930231f, 0.2940403223f}, - {0.0471064523f, 0.9988898635f}, - {-0.9238795042f, 0.3826834261f}, - {-0.6730124950f, -0.7396311164f}, - {0.4679298103f, -0.8837656379f}, - {0.9900236726f, 0.1409012377f}, - {0.2027872950f, 0.9792228341f}, - {-0.8526401520f, 0.5224985480f}, - {-0.7804304361f, -0.6252426505f}, - {0.3239174187f, -0.9460853338f}, - {0.9998766184f, -0.0157073177f}, - {0.3534748554f, 0.9354440570f}, - {-0.7604059577f, 0.6494480371f}, - {-0.8686315417f, -0.4954586625f}, - {0.1719291061f, -0.9851093292f}, - {0.9851093292f, -0.1719291061f}, - {0.4954586625f, 0.8686315417f}, - {-0.6494480371f, 0.7604059577f}, - {-0.9354440570f, -0.3534748554f}, - {0.0157073177f, -0.9998766184f}, - {0.9460853338f, -0.3239174187f}, - {0.6252426505f, 0.7804304361f}, - {-0.5224985480f, 0.8526401520f}, - {-0.9792228341f, -0.2027872950f}, - {-0.1409012377f, -0.9900236726f}, - {0.8837656379f, -0.4679298103f}, - {0.7396311164f, 0.6730124950f}, - {-0.3826834261f, 0.9238795042f}, - {-0.9988898635f, -0.0471064523f}, - {-0.2940403223f, -0.9557930231f}, - {0.7996846437f, -0.6004202366f}, - {0.8358073831f, 0.5490227938f}, - {-0.2334453613f, 0.9723699093f}, - {-0.9939609766f, 0.1097343117f}, - {-0.4399391711f, -0.8980275989f}, - {0.6959127784f, -0.7181262970f}, - {0.9114032984f, 0.4115143716f}, - {-0.0784590989f, 0.9969173074f}, - {-0.9645574093f, 0.2638730407f}, - {-0.5750052333f, -0.8181497455f}, - {0.5750052333f, -0.8181497455f}, - {0.9645574093f, 0.2638730407f}, - {0.0784590989f, 0.9969173074f}, - {-0.9114032984f, 0.4115143716f}, - {-0.6959127784f, -0.7181262970f}, - {0.4399391711f, -0.8980275989f}, - {0.9939609766f, 0.1097343117f}, - {0.2334453613f, 0.9723699093f}, - {-0.8358073831f, 0.5490227938f}, - {-0.7996846437f, -0.6004202366f}, - {0.2940403223f, -0.9557930231f}, - {0.9988898635f, -0.0471064523f}, - {0.3826834261f, 0.9238795042f}, - {-0.7396311164f, 0.6730124950f} - }; - - /* RE(Phi_Fract_SubQmf20[j]) = (float)cos(M_PI*f_center_20[j]*0.39); */ - /* IM(Phi_Fract_SubQmf20[j]) = (float)sin(M_PI*f_center_20[j]*0.39); */ - float[][] Phi_Fract_SubQmf20 = { - {0.9882950187f, 0.1525546312f}, - {0.8962930441f, 0.4434623122f}, - {0.7208535671f, 0.6930873394f}, - {0.4783087075f, 0.8781917691f}, - {1.0000000000f, 0.0000000000f}, - {1.0000000000f, 0.0000000000f}, - {0.8962930441f, -0.4434623122f}, - {0.9882950187f, -0.1525546312f}, - {-0.5424415469f, 0.8400935531f}, - {0.0392598175f, 0.9992290139f}, - {-0.9268565774f, 0.3754155636f}, - {-0.9741733670f, -0.2258012742f} - }; - - /* RE(Phi_Fract_SubQmf34[j]) = (float)cos(M_PI*f_center_34[j]*0.39); */ - /* IM(Phi_Fract_SubQmf34[j]) = (float)sin(M_PI*f_center_34[j]*0.39); */ - float[][] Phi_Fract_SubQmf34 = { - {1.0000000000f, 0.0000000000f}, - {1.0000000000f, 0.0000000000f}, - {1.0000000000f, 0.0000000000f}, - {1.0000000000f, 0.0000000000f}, - {1.0000000000f, 0.0000000000f}, - {1.0000000000f, 0.0000000000f}, - {0.3387379348f, 0.9408807755f}, - {0.3387379348f, 0.9408807755f}, - {0.3387379348f, 0.9408807755f}, - {1.0000000000f, 0.0000000000f}, - {1.0000000000f, 0.0000000000f}, - {1.0000000000f, 0.0000000000f}, - {-0.7705132365f, 0.6374239922f}, - {-0.7705132365f, 0.6374239922f}, - {1.0000000000f, 0.0000000000f}, - {1.0000000000f, 0.0000000000f}, - {0.3387379348f, 0.9408807755f}, - {0.3387379348f, 0.9408807755f}, - {0.3387379348f, 0.9408807755f}, - {0.3387379348f, 0.9408807755f}, - {-0.7705132365f, 0.6374239922f}, - {-0.7705132365f, 0.6374239922f}, - {-0.8607420325f, -0.5090414286f}, - {0.3387379348f, 0.9408807755f}, - {0.1873813123f, -0.9822872281f}, - {-0.7705132365f, 0.6374239922f}, - {-0.8607420325f, -0.5090414286f}, - {-0.8607420325f, -0.5090414286f}, - {0.1873813123f, -0.9822872281f}, - {0.1873813123f, -0.9822872281f}, - {0.9876883626f, -0.1564344615f}, - {-0.8607420325f, -0.5090414286f} - }; - - /* RE(Q_Fract_allpass_Qmf[j][i]) = (float)cos(M_PI*(j+0.5)*(frac_delay_q[i])); */ - /* IM(Q_Fract_allpass_Qmf[j][i]) = (float)sin(M_PI*(j+0.5)*(frac_delay_q[i])); */ - float[][][] Q_Fract_allpass_Qmf = { - {{0.7804303765f, 0.6252426505f}, {0.3826834261f, 0.9238795042f}, {0.8550928831f, 0.5184748173f}}, - {{-0.4399392009f, 0.8980275393f}, {-0.9238795042f, -0.3826834261f}, {-0.0643581524f, 0.9979268909f}}, - {{-0.9723699093f, -0.2334454209f}, {0.9238795042f, -0.3826834261f}, {-0.9146071672f, 0.4043435752f}}, - {{0.0157073960f, -0.9998766184f}, {-0.3826834261f, 0.9238795042f}, {-0.7814115286f, -0.6240159869f}}, - {{0.9792228341f, -0.2027871907f}, {-0.3826834261f, -0.9238795042f}, {0.1920081824f, -0.9813933372f}}, - {{0.4115142524f, 0.9114032984f}, {0.9238795042f, 0.3826834261f}, {0.9589683414f, -0.2835132182f}}, - {{-0.7996847630f, 0.6004201174f}, {-0.9238795042f, 0.3826834261f}, {0.6947838664f, 0.7192186117f}}, - {{-0.7604058385f, -0.6494481564f}, {0.3826834261f, -0.9238795042f}, {-0.3164770305f, 0.9486001730f}}, - {{0.4679299891f, -0.8837655187f}, {0.3826834261f, 0.9238795042f}, {-0.9874414206f, 0.1579856575f}}, - {{0.9645573497f, 0.2638732493f}, {-0.9238795042f, -0.3826834261f}, {-0.5966450572f, -0.8025052547f}}, - {{-0.0471066870f, 0.9988898635f}, {0.9238795042f, -0.3826834261f}, {0.4357025325f, -0.9000906944f}}, - {{-0.9851093888f, 0.1719288528f}, {-0.3826834261f, 0.9238795042f}, {0.9995546937f, -0.0298405960f}}, - {{-0.3826831877f, -0.9238796234f}, {-0.3826834261f, -0.9238795042f}, {0.4886211455f, 0.8724960685f}}, - {{0.8181498647f, -0.5750049949f}, {0.9238795042f, 0.3826834261f}, {-0.5477093458f, 0.8366686702f}}, - {{0.7396308780f, 0.6730127335f}, {-0.9238795042f, 0.3826834261f}, {-0.9951074123f, -0.0987988561f}}, - {{-0.4954589605f, 0.8686313629f}, {0.3826834261f, -0.9238795042f}, {-0.3725017905f, -0.9280315042f}}, - {{-0.9557929039f, -0.2940406799f}, {0.3826834261f, 0.9238795042f}, {0.6506417990f, -0.7593847513f}}, - {{0.0784594864f, -0.9969173074f}, {-0.9238795042f, -0.3826834261f}, {0.9741733670f, 0.2258014232f}}, - {{0.9900237322f, -0.1409008205f}, {0.9238795042f, -0.3826834261f}, {0.2502108514f, 0.9681913853f}}, - {{0.3534744382f, 0.9354441762f}, {-0.3826834261f, 0.9238795042f}, {-0.7427945137f, 0.6695194840f}}, - {{-0.8358076215f, 0.5490224361f}, {-0.3826834261f, -0.9238795042f}, {-0.9370992780f, -0.3490629196f}}, - {{-0.7181259394f, -0.6959131360f}, {0.9238795042f, 0.3826834261f}, {-0.1237744763f, -0.9923103452f}}, - {{0.5224990249f, -0.8526399136f}, {-0.9238795042f, 0.3826834261f}, {0.8226406574f, -0.5685616732f}}, - {{0.9460852146f, 0.3239179254f}, {0.3826834261f, -0.9238795042f}, {0.8844994903f, 0.4665412009f}}, - {{-0.1097348556f, 0.9939609170f}, {0.3826834261f, 0.9238795042f}, {-0.0047125919f, 0.9999889135f}}, - {{-0.9939610362f, 0.1097337380f}, {-0.9238795042f, -0.3826834261f}, {-0.8888573647f, 0.4581840038f}}, - {{-0.3239168525f, -0.9460855722f}, {0.9238795042f, -0.3826834261f}, {-0.8172453642f, -0.5762898922f}}, - {{0.8526405096f, -0.5224980116f}, {-0.3826834261f, 0.9238795042f}, {0.1331215799f, -0.9910997152f}}, - {{0.6959123611f, 0.7181267142f}, {-0.3826834261f, -0.9238795042f}, {0.9403476119f, -0.3402152061f}}, - {{-0.5490233898f, 0.8358070254f}, {0.9238795042f, 0.3826834261f}, {0.7364512086f, 0.6764906645f}}, - {{-0.9354437590f, -0.3534754813f}, {-0.9238795042f, 0.3826834261f}, {-0.2593250275f, 0.9657900929f}}, - {{0.1409019381f, -0.9900235534f}, {0.3826834261f, -0.9238795042f}, {-0.9762582779f, 0.2166097313f}}, - {{0.9969173670f, -0.0784583688f}, {0.3826834261f, 0.9238795042f}, {-0.6434556246f, -0.7654833794f}}, - {{0.2940396070f, 0.9557932615f}, {-0.9238795042f, -0.3826834261f}, {0.3812320232f, -0.9244794250f}}, - {{-0.8686318994f, 0.4954580069f}, {0.9238795042f, -0.3826834261f}, {0.9959943891f, -0.0894154981f}}, - {{-0.6730118990f, -0.7396316528f}, {-0.3826834261f, 0.9238795042f}, {0.5397993922f, 0.8417937160f}}, - {{0.5750059485f, -0.8181492686f}, {-0.3826834261f, -0.9238795042f}, {-0.4968227744f, 0.8678520322f}}, - {{0.9238792062f, 0.3826842010f}, {0.9238795042f, 0.3826834261f}, {-0.9992290139f, -0.0392601527f}}, - {{-0.1719299555f, 0.9851091504f}, {-0.9238795042f, 0.3826834261f}, {-0.4271997511f, -0.9041572809f}}, - {{-0.9988899231f, 0.0471055657f}, {0.3826834261f, -0.9238795042f}, {0.6041822433f, -0.7968461514f}}, - {{-0.2638721764f, -0.9645576477f}, {0.3826834261f, 0.9238795042f}, {0.9859085083f, 0.1672853529f}}, - {{0.8837660551f, -0.4679289758f}, {-0.9238795042f, -0.3826834261f}, {0.3075223565f, 0.9515408874f}}, - {{0.6494473219f, 0.7604066133f}, {0.9238795042f, -0.3826834261f}, {-0.7015317082f, 0.7126382589f}}, - {{-0.6004210114f, 0.7996840477f}, {-0.3826834261f, 0.9238795042f}, {-0.9562535882f, -0.2925389707f}}, - {{-0.9114028811f, -0.4115152657f}, {-0.3826834261f, -0.9238795042f}, {-0.1827499419f, -0.9831594229f}}, - {{0.2027882934f, -0.9792225957f}, {0.9238795042f, 0.3826834261f}, {0.7872582674f, -0.6166234016f}}, - {{0.9998766780f, -0.0157062728f}, {-0.9238795042f, 0.3826834261f}, {0.9107555747f, 0.4129458666f}}, - {{0.2334443331f, 0.9723701477f}, {0.3826834261f, -0.9238795042f}, {0.0549497530f, 0.9984891415f}}, - {{-0.8980280757f, 0.4399381876f}, {0.3826834261f, 0.9238795042f}, {-0.8599416018f, 0.5103924870f}}, - {{-0.6252418160f, -0.7804310918f}, {-0.9238795042f, -0.3826834261f}, {-0.8501682281f, -0.5265110731f}}, - {{0.6252435446f, -0.7804297209f}, {0.9238795042f, -0.3826834261f}, {0.0737608299f, -0.9972759485f}}, - {{0.8980270624f, 0.4399402142f}, {-0.3826834261f, 0.9238795042f}, {0.9183775187f, -0.3957053721f}}, - {{-0.2334465086f, 0.9723696709f}, {-0.3826834261f, -0.9238795042f}, {0.7754954696f, 0.6313531399f}}, - {{-0.9998766184f, -0.0157085191f}, {0.9238795042f, 0.3826834261f}, {-0.2012493610f, 0.9795400500f}}, - {{-0.2027861029f, -0.9792230725f}, {-0.9238795042f, 0.3826834261f}, {-0.9615978599f, 0.2744622827f}}, - {{0.9114037752f, -0.4115132093f}, {0.3826834261f, -0.9238795042f}, {-0.6879743338f, -0.7257350087f}}, - {{0.6004192233f, 0.7996854186f}, {0.3826834261f, 0.9238795042f}, {0.3254036009f, -0.9455752373f}}, - {{-0.6494490504f, 0.7604051232f}, {-0.9238795042f, -0.3826834261f}, {0.9888865948f, -0.1486719251f}}, - {{-0.8837650418f, -0.4679309726f}, {0.9238795042f, -0.3826834261f}, {0.5890548825f, 0.8080930114f}}, - {{0.2638743520f, -0.9645570517f}, {-0.3826834261f, 0.9238795042f}, {-0.4441666007f, 0.8959442377f}}, - {{0.9988898039f, 0.0471078083f}, {-0.3826834261f, -0.9238795042f}, {-0.9997915030f, 0.0204183888f}}, - {{0.1719277352f, 0.9851095676f}, {0.9238795042f, 0.3826834261f}, {-0.4803760946f, -0.8770626187f}}, - {{-0.9238800406f, 0.3826821446f}, {-0.9238795042f, 0.3826834261f}, {0.5555707216f, -0.8314692974f}}, - {{-0.5750041008f, -0.8181505203f}, {0.3826834261f, -0.9238795042f}, {0.9941320419f, 0.1081734300f}} - }; - - /* RE(Q_Fract_allpass_SubQmf20[j][i]) = (float)cos(M_PI*f_center_20[j]*frac_delay_q[i]); */ - /* IM(Q_Fract_allpass_SubQmf20[j][i]) = (float)sin(M_PI*f_center_20[j]*frac_delay_q[i]); */ - float[][][] Q_Fract_allpass_SubQmf20 = { - {{0.9857769012f, 0.1680592746f}, {0.9569403529f, 0.2902846634f}, {0.9907300472f, 0.1358452588f}}, - {{0.8744080663f, 0.4851911962f}, {0.6343932748f, 0.7730104327f}, {0.9175986052f, 0.3975082636f}}, - {{0.6642524004f, 0.7475083470f}, {0.0980171412f, 0.9951847196f}, {0.7767338753f, 0.6298289299f}}, - {{0.3790524006f, 0.9253752232f}, {-0.4713967443f, 0.8819212914f}, {0.5785340071f, 0.8156582713f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{0.8744080663f, -0.4851911962f}, {0.6343932748f, -0.7730104327f}, {0.9175986052f, -0.3975082636f}}, - {{0.9857769012f, -0.1680592746f}, {0.9569403529f, -0.2902846634f}, {0.9907300472f, -0.1358452588f}}, - {{-0.7126385570f, 0.7015314102f}, {-0.5555702448f, -0.8314695954f}, {-0.3305967748f, 0.9437720776f}}, - {{-0.1175374240f, 0.9930684566f}, {-0.9807852507f, 0.1950903237f}, {0.2066311091f, 0.9784189463f}}, - {{-0.9947921634f, 0.1019244045f}, {0.5555702448f, -0.8314695954f}, {-0.7720130086f, 0.6356067061f}}, - {{-0.8400934935f, -0.5424416065f}, {0.9807852507f, 0.1950903237f}, {-0.9896889329f, 0.1432335079f}} - }; - - /* RE(Q_Fract_allpass_SubQmf34[j][i]) = (float)cos(M_PI*f_center_34[j]*frac_delay_q[i]); */ - /* IM(Q_Fract_allpass_SubQmf34[j][i]) = (float)sin(M_PI*f_center_34[j]*frac_delay_q[i]); */ - float[][][] Q_Fract_allpass_SubQmf34 = { - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, - {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, - {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{-0.9048270583f, 0.4257792532f}, {-0.0000000000f, -1.0000000000f}, {-0.5724321604f, 0.8199520707f}}, - {{-0.9048270583f, 0.4257792532f}, {-0.0000000000f, -1.0000000000f}, {-0.5724321604f, 0.8199520707f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, - {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, - {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, - {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, - {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, - {{-0.9048270583f, 0.4257792532f}, {-0.0000000000f, -1.0000000000f}, {-0.5724321604f, 0.8199520707f}}, - {{-0.9048270583f, 0.4257792532f}, {-0.0000000000f, -1.0000000000f}, {-0.5724321604f, 0.8199520707f}}, - {{-0.6129069924f, -0.7901550531f}, {0.7071067691f, 0.7071067691f}, {-0.9917160273f, -0.1284494549f}}, - {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, - {{0.6374240518f, -0.7705131769f}, {-1.0000000000f, 0.0000000000f}, {-0.3446428776f, -0.9387338758f}}, - {{-0.9048270583f, 0.4257792532f}, {-0.0000000000f, -1.0000000000f}, {-0.5724321604f, 0.8199520707f}}, - {{-0.6129069924f, -0.7901550531f}, {0.7071067691f, 0.7071067691f}, {-0.9917160273f, -0.1284494549f}}, - {{-0.6129069924f, -0.7901550531f}, {0.7071067691f, 0.7071067691f}, {-0.9917160273f, -0.1284494549f}}, - {{0.6374240518f, -0.7705131769f}, {-1.0000000000f, 0.0000000000f}, {-0.3446428776f, -0.9387338758f}}, - {{0.6374240518f, -0.7705131769f}, {-1.0000000000f, 0.0000000000f}, {-0.3446428776f, -0.9387338758f}}, - {{0.8910064697f, 0.4539906085f}, {0.7071067691f, -0.7071067691f}, {0.6730125546f, -0.7396310568f}}, - {{-0.6129069924f, -0.7901550531f}, {0.7071067691f, 0.7071067691f}, {-0.9917160273f, -0.1284494549f}} - }; - - float[] cos_alphas = { - 1.0000000000f, 0.9841239700f, 0.9594738210f, - 0.8946843079f, 0.8269340931f, 0.7071067812f, - 0.4533210856f, 0.0000000000f - }; - - float[] sin_alphas = { - 0.0000000000f, 0.1774824264f, 0.2817977763f, - 0.4466989918f, 0.5622988580f, 0.7071067812f, - 0.8913472911f, 1.0000000000f - }; - - float[][] cos_betas_normal = { - {1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f}, - {1.0000000000f, 0.9995871699f, 0.9989419133f, 0.9972204583f, 0.9953790839f, 0.9920112747f, 0.9843408180f, 0.9681727381f}, - {1.0000000000f, 0.9984497744f, 0.9960279377f, 0.9895738413f, 0.9826814632f, 0.9701058164f, 0.9416098832f, 0.8822105900f}, - {1.0000000000f, 0.9959398908f, 0.9896038018f, 0.9727589768f, 0.9548355329f, 0.9223070404f, 0.8494349490f, 0.7013005535f}, - {1.0000000000f, 0.9932417400f, 0.9827071856f, 0.9547730996f, 0.9251668930f, 0.8717461589f, 0.7535520592f, 0.5198827312f}, - {1.0000000000f, 0.9902068095f, 0.9749613872f, 0.9346538534f, 0.8921231300f, 0.8158851259f, 0.6495964302f, 0.3313370772f}, - {1.0000000000f, 0.9880510933f, 0.9694670261f, 0.9204347876f, 0.8688622825f, 0.7768516704f, 0.5782161800f, 0.2069970356f}, - {1.0000000000f, 0.9858996945f, 0.9639898866f, 0.9063034786f, 0.8458214608f, 0.7384262300f, 0.5089811277f, 0.0905465944f} - }; - - float[][] sin_betas_normal = { - {0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f}, - {0.0000000000f, -0.0287313368f, -0.0459897147f, -0.0745074328f, -0.0960233266f, -0.1261492408f, -0.1762757894f, -0.2502829383f}, - {0.0000000000f, -0.0556601118f, -0.0890412670f, -0.1440264301f, -0.1853028382f, -0.2426823129f, -0.3367058477f, -0.4708550466f}, - {0.0000000000f, -0.0900207420f, -0.1438204281f, -0.2318188366f, -0.2971348264f, -0.3864579191f, -0.5276933461f, -0.7128657193f}, - {0.0000000000f, -0.1160639735f, -0.1851663774f, -0.2973353800f, -0.3795605619f, -0.4899577884f, -0.6573882369f, -0.8542376401f}, - {0.0000000000f, -0.1396082894f, -0.2223742196f, -0.3555589603f, -0.4517923427f, -0.5782140273f, -0.7602792104f, -0.9435124489f}, - {0.0000000000f, -0.1541266914f, -0.2452217065f, -0.3908961522f, -0.4950538699f, -0.6296836366f, -0.8158836002f, -0.9783415698f}, - {0.0000000000f, -0.1673373610f, -0.2659389001f, -0.4226275012f, -0.5334660781f, -0.6743342664f, -0.8607776784f, -0.9958922202f} - }; - - float[][] cos_betas_fine = { - {1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f}, - {1.0000000000f, 0.9995871699f, 0.9989419133f, 0.9972204583f, 0.9953790839f, 0.9920112747f, 0.9843408180f, 0.9681727381f}, - {1.0000000000f, 0.9984497744f, 0.9960279377f, 0.9895738413f, 0.9826814632f, 0.9701058164f, 0.9416098832f, 0.8822105900f}, - {1.0000000000f, 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{1.0000000000f, 0.9913533967f, 0.9786000177f, 0.9496063381f, 0.9277157252f, 0.9133354077f, 0.9133354077f, 0.9133354077f}, - {1.0000000000f, 0.9948924435f, 0.9875319180f, 0.9716329849f, 0.9604805241f, 0.9535949574f, 0.9535949574f, 0.9535949574f}, - {1.0000000000f, 0.9977406278f, 0.9945423840f, 0.9878736667f, 0.9833980494f, 0.9807207440f, 0.9807207440f, 0.9807207440f}, - {1.0000000000f, 0.9990607067f, 0.9977417734f, 0.9950323970f, 0.9932453273f, 0.9921884740f, 0.9921884740f, 0.9921884740f}, - {1.0000000000f, 0.9998081748f, 0.9995400312f, 0.9989936459f, 0.9986365356f, 0.9984265591f, 0.9984265591f, 0.9984265591f} - }; - - float[][] cos_gammas_fine = { - {1.0000000000f, 0.9841239707f, 0.9594738226f, 0.8946843024f, 0.8269341029f, 0.7245688486f, 0.7245688486f, 0.7245688486f}, - {1.0000000000f, 0.9849690570f, 0.9617776789f, 0.9020941550f, 0.8436830391f, 0.7846832804f, 0.7846832804f, 0.7846832804f}, - {1.0000000000f, 0.9871656089f, 0.9676774734f, 0.9199102884f, 0.8785067015f, 0.8464232214f, 0.8464232214f, 0.8464232214f}, - {1.0000000000f, 0.9899597309f, 0.9750098690f, 0.9402333855f, 0.9129698759f, 0.8943765944f, 0.8943765944f, 0.8943765944f}, - {1.0000000000f, 0.9926607607f, 0.9819295710f, 0.9580160104f, 0.9404993670f, 0.9293004472f, 0.9293004472f, 0.9293004472f}, - {1.0000000000f, 0.9948924435f, 0.9875319180f, 0.9716329849f, 0.9604805241f, 0.9535949574f, 0.9535949574f, 0.9535949574f}, - {1.0000000000f, 0.9972074644f, 0.9932414270f, 0.9849197629f, 0.9792926592f, 0.9759092525f, 0.9759092525f, 0.9759092525f}, - {1.0000000000f, 0.9985361982f, 0.9964742028f, 0.9922136306f, 0.9893845420f, 0.9877041371f, 0.9877041371f, 0.9877041371f}, - {1.0000000000f, 0.9992494366f, 0.9981967170f, 0.9960386625f, 0.9946185834f, 0.9937800239f, 0.9937800239f, 0.9937800239f}, - {1.0000000000f, 0.9996194722f, 0.9990869422f, 0.9979996269f, 0.9972873651f, 0.9968679747f, 0.9968679747f, 0.9968679747f}, - {1.0000000000f, 0.9998081748f, 0.9995400312f, 0.9989936459f, 0.9986365356f, 0.9984265591f, 0.9984265591f, 0.9984265591f}, - {1.0000000000f, 0.9999390971f, 0.9998540271f, 0.9996809352f, 0.9995679735f, 0.9995016284f, 0.9995016284f, 0.9995016284f}, - {1.0000000000f, 0.9999807170f, 0.9999537862f, 0.9998990191f, 0.9998632947f, 0.9998423208f, 0.9998423208f, 0.9998423208f}, - {1.0000000000f, 0.9999938979f, 0.9999853814f, 0.9999680568f, 0.9999567596f, 0.9999501270f, 0.9999501270f, 0.9999501270f}, - {1.0000000000f, 0.9999980703f, 0.9999953731f, 0.9999898968f, 0.9999863277f, 0.9999842265f, 0.9999842265f, 0.9999842265f}, - {1.0000000000f, 0.9999993891f, 0.9999985397f, 0.9999968037f, 0.9999956786f, 0.9999950155f, 0.9999950155f, 0.9999950155f} - }; - - float[][] sin_gammas_normal = { - {0.0000000000f, 0.1774824223f, 0.2817977711f, 0.4466990028f, 0.5622988435f, 0.6892024258f, 0.6892024258f, 0.6892024258f}, - {0.0000000000f, 0.1727308798f, 0.2738315110f, 0.4315392630f, 0.5368416242f, 0.6198968861f, 0.6198968861f, 0.6198968861f}, - {0.0000000000f, 0.1596999079f, 0.2521910140f, 0.3921288836f, 0.4777300236f, 0.5325107795f, 0.5325107795f, 0.5325107795f}, - {0.0000000000f, 0.1312190642f, 0.2057717310f, 0.3134450552f, 0.3732874674f, 0.4072080955f, 0.4072080955f, 0.4072080955f}, - {0.0000000000f, 0.1009407043f, 0.1574189028f, 0.2364938532f, 0.2783471983f, 0.3010924396f, 0.3010924396f, 0.3010924396f}, - {0.0000000000f, 0.0671836269f, 0.1043333428f, 0.1552598422f, 0.1814615013f, 0.1954144885f, 0.1954144885f, 0.1954144885f}, - {0.0000000000f, 0.0433324862f, 0.0671666110f, 0.0995516398f, 0.1160332699f, 0.1247478739f, 0.1247478739f, 0.1247478739f}, - {0.0000000000f, 0.0195860576f, 0.0303269852f, 0.0448519274f, 0.0522022017f, 0.0560750040f, 0.0560750040f, 0.0560750040f} - }; - - float[][] sin_gammas_fine = { - {0.0000000000f, 0.1774824223f, 0.2817977711f, 0.4466990028f, 0.5622988435f, 0.6892024258f, 0.6892024258f, 0.6892024258f}, - {0.0000000000f, 0.1727308798f, 0.2738315110f, 0.4315392630f, 0.5368416242f, 0.6198968861f, 0.6198968861f, 0.6198968861f}, - {0.0000000000f, 0.1596999079f, 0.2521910140f, 0.3921288836f, 0.4777300236f, 0.5325107795f, 0.5325107795f, 0.5325107795f}, - {0.0000000000f, 0.1413496768f, 0.2221615526f, 0.3405307340f, 0.4080269669f, 0.4473147744f, 0.4473147744f, 0.4473147744f}, - {0.0000000000f, 0.1209322714f, 0.1892467110f, 0.2867147079f, 0.3397954394f, 0.3693246252f, 0.3693246252f, 0.3693246252f}, - {0.0000000000f, 0.1009407043f, 0.1574189028f, 0.2364938532f, 0.2783471983f, 0.3010924396f, 0.3010924396f, 0.3010924396f}, - {0.0000000000f, 0.0746811420f, 0.1160666523f, 0.1730117353f, 0.2024497161f, 0.2181768341f, 0.2181768341f, 0.2181768341f}, - {0.0000000000f, 0.0540875291f, 0.0838997203f, 0.1245476266f, 0.1453211203f, 0.1563346972f, 0.1563346972f, 0.1563346972f}, - {0.0000000000f, 0.0387371058f, 0.0600276114f, 0.0889212171f, 0.1036044086f, 0.1113609634f, 0.1113609634f, 0.1113609634f}, - {0.0000000000f, 0.0275846110f, 0.0427233177f, 0.0632198125f, 0.0736064637f, 0.0790837596f, 0.0790837596f, 0.0790837596f}, - {0.0000000000f, 0.0195860576f, 0.0303269852f, 0.0448519274f, 0.0522022017f, 0.0560750040f, 0.0560750040f, 0.0560750040f}, - {0.0000000000f, 0.0110363955f, 0.0170857974f, 0.0252592108f, 0.0293916021f, 0.0315673054f, 0.0315673054f, 0.0315673054f}, - {0.0000000000f, 0.0062101284f, 0.0096138203f, 0.0142109649f, 0.0165345659f, 0.0177576316f, 0.0177576316f, 0.0177576316f}, - {0.0000000000f, 0.0034934509f, 0.0054071189f, 0.0079928316f, 0.0092994041f, 0.0099871631f, 0.0099871631f, 0.0099871631f}, - {0.0000000000f, 0.0019645397f, 0.0030419905f, 0.0044951511f, 0.0052291853f, 0.0056166498f, 0.0056166498f, 0.0056166498f}, - {0.0000000000f, 0.0011053943f, 0.0017089869f, 0.0025283670f, 0.0029398552f, 0.0031573685f, 0.0031573685f, 0.0031573685f} - }; - - float[] sf_iid_normal = { - 1.4119827747f, 1.4031381607f, 1.3868767023f, - 1.3483997583f, 1.2912493944f, 1.1960374117f, - 1.1073724031f, 1.0000000000f, 0.8796171546f, - 0.7546485662f, 0.5767799020f, 0.4264014363f, - 0.2767182887f, 0.1766446233f, 0.0794016272f - }; - - float[] sf_iid_fine = { - 1.4142065048f, 1.4141912460f, 1.4141428471f, - 1.4139900208f, 1.4135069847f, 1.4119827747f, - 1.4097729921f, 1.4053947926f, 1.3967796564f, - 1.3800530434f, 1.3483997583f, 1.3139201403f, - 1.2643101215f, 1.1960374117f, 1.1073724031f, - 1.0000000000f, 0.8796171546f, 0.7546485662f, - 0.6336560845f, 0.5230810642f, 0.4264014363f, - 0.3089554012f, 0.2213746458f, 0.1576878875f, - 0.1119822487f, 0.0794016272f, 0.0446990170f, - 0.0251446925f, 0.0141414283f, 0.0079525812f, - 0.0044721137f - }; - float[] ipdopd_cos_tab = { - 1.000000000000000f, - 0.707106781186548f, - 0.000000000000000f, - -0.707106781186547f, - -1.000000000000000f, - -0.707106781186548f, - -0.000000000000000f, - 0.707106781186547f, - 1.000000000000000f - }; - - float[] ipdopd_sin_tab = { - 0.000000000000000f, - 0.707106781186547f, - 1.000000000000000f, - 0.707106781186548f, - 0.000000000000000f, - -0.707106781186547f, - -1.000000000000000f, - -0.707106781186548f, - -0.000000000000000f - }; + /* type definitaions */ + /* static data tables */ + int[] nr_iid_par_tab = { + 10, 20, 34, 10, 20, 34, 0, 0 + }; + int[] nr_icc_par_tab = { + 10, 20, 34, 10, 20, 34, 0, 0 + }; + int[] nr_ipdopd_par_tab = { + 5, 11, 17, 5, 11, 17, 0, 0 + }; + int[][] num_env_tab = { + {0, 1, 2, 4}, + {1, 2, 3, 4} + }; + float[] filter_a = { /* a(m) = exp(-d_48kHz(m)/7) */ + 0.65143905753106f, + 0.56471812200776f, + 0.48954165955695f + }; + + int[] group_border20 = { + 6, 7, 0, 1, 2, 3, /* 6 subqmf subbands */ + 9, 8, /* 2 subqmf subbands */ + 10, 11, /* 2 subqmf subbands */ + 3, 4, 5, 6, 7, 8, 9, 11, 14, 18, 23, 35, 64 + }; + + int[] group_border34 = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, /* 12 subqmf subbands */ + 12, 13, 14, 15, 16, 17, 18, 19, /* 8 subqmf subbands */ + 20, 21, 22, 23, /* 4 subqmf subbands */ + 24, 25, 26, 27, /* 4 subqmf subbands */ + 28, 29, 30, 31, /* 4 subqmf subbands */ + 32 - 27, 33 - 27, 34 - 27, 35 - 27, 36 - 27, 37 - 27, 38 - 27, 40 - 27, 42 - 27, 44 - 27, 46 - 27, 48 - 27, 51 - 27, 54 - 27, 57 - 27, 60 - 27, 64 - 27, 68 - 27, 91 - 27 + }; + + int[] map_group2bk20 = { + (NEGATE_IPD_MASK | 1), (NEGATE_IPD_MASK | 0), + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 + }; + + int[] map_group2bk34 = { + 0, 1, 2, 3, 4, 5, 6, 6, 7, (NEGATE_IPD_MASK | 2), (NEGATE_IPD_MASK | 1), (NEGATE_IPD_MASK | 0), + 10, 10, 4, 5, 6, 7, 8, 9, + 10, 11, 12, 9, + 14, 11, 12, 13, + 14, 15, 16, 13, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 + }; + + int[] delay_length_d = {3, 4, 5 /* d_48kHz */}; + + /* RE(ps->Phi_Fract_Qmf[j]) = (float)cos(M_PI*(j+0.5)*(0.39)); */ + /* IM(ps->Phi_Fract_Qmf[j]) = (float)sin(M_PI*(j+0.5)*(0.39)); */ + float[][] Phi_Fract_Qmf = { + {0.8181497455f, 0.5750052333f}, + {-0.2638730407f, 0.9645574093f}, + {-0.9969173074f, 0.0784590989f}, + {-0.4115143716f, -0.9114032984f}, + {0.7181262970f, -0.6959127784f}, + {0.8980275989f, 0.4399391711f}, + {-0.1097343117f, 0.9939609766f}, + {-0.9723699093f, 0.2334453613f}, + {-0.5490227938f, -0.8358073831f}, + {0.6004202366f, -0.7996846437f}, + {0.9557930231f, 0.2940403223f}, + {0.0471064523f, 0.9988898635f}, + {-0.9238795042f, 0.3826834261f}, + {-0.6730124950f, -0.7396311164f}, + {0.4679298103f, -0.8837656379f}, + {0.9900236726f, 0.1409012377f}, + {0.2027872950f, 0.9792228341f}, + {-0.8526401520f, 0.5224985480f}, + {-0.7804304361f, -0.6252426505f}, + {0.3239174187f, -0.9460853338f}, + {0.9998766184f, -0.0157073177f}, + {0.3534748554f, 0.9354440570f}, + {-0.7604059577f, 0.6494480371f}, + {-0.8686315417f, -0.4954586625f}, + {0.1719291061f, -0.9851093292f}, + {0.9851093292f, -0.1719291061f}, + {0.4954586625f, 0.8686315417f}, + {-0.6494480371f, 0.7604059577f}, + {-0.9354440570f, -0.3534748554f}, + {0.0157073177f, -0.9998766184f}, + {0.9460853338f, -0.3239174187f}, + {0.6252426505f, 0.7804304361f}, + {-0.5224985480f, 0.8526401520f}, + {-0.9792228341f, -0.2027872950f}, + {-0.1409012377f, -0.9900236726f}, + {0.8837656379f, -0.4679298103f}, + {0.7396311164f, 0.6730124950f}, + {-0.3826834261f, 0.9238795042f}, + {-0.9988898635f, -0.0471064523f}, + {-0.2940403223f, -0.9557930231f}, + {0.7996846437f, -0.6004202366f}, + {0.8358073831f, 0.5490227938f}, + {-0.2334453613f, 0.9723699093f}, + {-0.9939609766f, 0.1097343117f}, + {-0.4399391711f, -0.8980275989f}, + {0.6959127784f, -0.7181262970f}, + {0.9114032984f, 0.4115143716f}, + {-0.0784590989f, 0.9969173074f}, + {-0.9645574093f, 0.2638730407f}, + {-0.5750052333f, -0.8181497455f}, + {0.5750052333f, -0.8181497455f}, + {0.9645574093f, 0.2638730407f}, + {0.0784590989f, 0.9969173074f}, + {-0.9114032984f, 0.4115143716f}, + {-0.6959127784f, -0.7181262970f}, + {0.4399391711f, -0.8980275989f}, + {0.9939609766f, 0.1097343117f}, + {0.2334453613f, 0.9723699093f}, + {-0.8358073831f, 0.5490227938f}, + {-0.7996846437f, -0.6004202366f}, + {0.2940403223f, -0.9557930231f}, + {0.9988898635f, -0.0471064523f}, + {0.3826834261f, 0.9238795042f}, + {-0.7396311164f, 0.6730124950f} + }; + + /* RE(Phi_Fract_SubQmf20[j]) = (float)cos(M_PI*f_center_20[j]*0.39); */ + /* IM(Phi_Fract_SubQmf20[j]) = (float)sin(M_PI*f_center_20[j]*0.39); */ + float[][] Phi_Fract_SubQmf20 = { + {0.9882950187f, 0.1525546312f}, + {0.8962930441f, 0.4434623122f}, + {0.7208535671f, 0.6930873394f}, + {0.4783087075f, 0.8781917691f}, + {1.0000000000f, 0.0000000000f}, + {1.0000000000f, 0.0000000000f}, + {0.8962930441f, -0.4434623122f}, + {0.9882950187f, -0.1525546312f}, + {-0.5424415469f, 0.8400935531f}, + {0.0392598175f, 0.9992290139f}, + {-0.9268565774f, 0.3754155636f}, + {-0.9741733670f, -0.2258012742f} + }; + + /* RE(Phi_Fract_SubQmf34[j]) = (float)cos(M_PI*f_center_34[j]*0.39); */ + /* IM(Phi_Fract_SubQmf34[j]) = (float)sin(M_PI*f_center_34[j]*0.39); */ + float[][] Phi_Fract_SubQmf34 = { + {1.0000000000f, 0.0000000000f}, + {1.0000000000f, 0.0000000000f}, + {1.0000000000f, 0.0000000000f}, + {1.0000000000f, 0.0000000000f}, + {1.0000000000f, 0.0000000000f}, + {1.0000000000f, 0.0000000000f}, + {0.3387379348f, 0.9408807755f}, + {0.3387379348f, 0.9408807755f}, + {0.3387379348f, 0.9408807755f}, + {1.0000000000f, 0.0000000000f}, + {1.0000000000f, 0.0000000000f}, + {1.0000000000f, 0.0000000000f}, + {-0.7705132365f, 0.6374239922f}, + {-0.7705132365f, 0.6374239922f}, + {1.0000000000f, 0.0000000000f}, + {1.0000000000f, 0.0000000000f}, + {0.3387379348f, 0.9408807755f}, + {0.3387379348f, 0.9408807755f}, + {0.3387379348f, 0.9408807755f}, + {0.3387379348f, 0.9408807755f}, + {-0.7705132365f, 0.6374239922f}, + {-0.7705132365f, 0.6374239922f}, + {-0.8607420325f, -0.5090414286f}, + {0.3387379348f, 0.9408807755f}, + {0.1873813123f, -0.9822872281f}, + {-0.7705132365f, 0.6374239922f}, + {-0.8607420325f, -0.5090414286f}, + {-0.8607420325f, -0.5090414286f}, + {0.1873813123f, -0.9822872281f}, + {0.1873813123f, -0.9822872281f}, + {0.9876883626f, -0.1564344615f}, + {-0.8607420325f, -0.5090414286f} + }; + + /* RE(Q_Fract_allpass_Qmf[j][i]) = (float)cos(M_PI*(j+0.5)*(frac_delay_q[i])); */ + /* IM(Q_Fract_allpass_Qmf[j][i]) = (float)sin(M_PI*(j+0.5)*(frac_delay_q[i])); */ + float[][][] Q_Fract_allpass_Qmf = { + {{0.7804303765f, 0.6252426505f}, {0.3826834261f, 0.9238795042f}, {0.8550928831f, 0.5184748173f}}, + {{-0.4399392009f, 0.8980275393f}, {-0.9238795042f, -0.3826834261f}, {-0.0643581524f, 0.9979268909f}}, + {{-0.9723699093f, -0.2334454209f}, {0.9238795042f, -0.3826834261f}, {-0.9146071672f, 0.4043435752f}}, + {{0.0157073960f, -0.9998766184f}, {-0.3826834261f, 0.9238795042f}, {-0.7814115286f, -0.6240159869f}}, + {{0.9792228341f, -0.2027871907f}, {-0.3826834261f, -0.9238795042f}, {0.1920081824f, -0.9813933372f}}, + {{0.4115142524f, 0.9114032984f}, {0.9238795042f, 0.3826834261f}, {0.9589683414f, -0.2835132182f}}, + {{-0.7996847630f, 0.6004201174f}, {-0.9238795042f, 0.3826834261f}, {0.6947838664f, 0.7192186117f}}, + {{-0.7604058385f, -0.6494481564f}, {0.3826834261f, -0.9238795042f}, {-0.3164770305f, 0.9486001730f}}, + {{0.4679299891f, -0.8837655187f}, {0.3826834261f, 0.9238795042f}, {-0.9874414206f, 0.1579856575f}}, + {{0.9645573497f, 0.2638732493f}, {-0.9238795042f, -0.3826834261f}, {-0.5966450572f, -0.8025052547f}}, + {{-0.0471066870f, 0.9988898635f}, {0.9238795042f, -0.3826834261f}, {0.4357025325f, -0.9000906944f}}, + {{-0.9851093888f, 0.1719288528f}, {-0.3826834261f, 0.9238795042f}, {0.9995546937f, -0.0298405960f}}, + {{-0.3826831877f, -0.9238796234f}, {-0.3826834261f, -0.9238795042f}, {0.4886211455f, 0.8724960685f}}, + {{0.8181498647f, -0.5750049949f}, {0.9238795042f, 0.3826834261f}, {-0.5477093458f, 0.8366686702f}}, + {{0.7396308780f, 0.6730127335f}, {-0.9238795042f, 0.3826834261f}, {-0.9951074123f, -0.0987988561f}}, + {{-0.4954589605f, 0.8686313629f}, {0.3826834261f, -0.9238795042f}, {-0.3725017905f, -0.9280315042f}}, + {{-0.9557929039f, -0.2940406799f}, {0.3826834261f, 0.9238795042f}, {0.6506417990f, -0.7593847513f}}, + {{0.0784594864f, -0.9969173074f}, {-0.9238795042f, -0.3826834261f}, {0.9741733670f, 0.2258014232f}}, + {{0.9900237322f, -0.1409008205f}, {0.9238795042f, -0.3826834261f}, {0.2502108514f, 0.9681913853f}}, + {{0.3534744382f, 0.9354441762f}, {-0.3826834261f, 0.9238795042f}, {-0.7427945137f, 0.6695194840f}}, + {{-0.8358076215f, 0.5490224361f}, {-0.3826834261f, -0.9238795042f}, {-0.9370992780f, -0.3490629196f}}, + {{-0.7181259394f, -0.6959131360f}, {0.9238795042f, 0.3826834261f}, {-0.1237744763f, -0.9923103452f}}, + {{0.5224990249f, -0.8526399136f}, {-0.9238795042f, 0.3826834261f}, {0.8226406574f, -0.5685616732f}}, + {{0.9460852146f, 0.3239179254f}, {0.3826834261f, -0.9238795042f}, {0.8844994903f, 0.4665412009f}}, + {{-0.1097348556f, 0.9939609170f}, {0.3826834261f, 0.9238795042f}, {-0.0047125919f, 0.9999889135f}}, + {{-0.9939610362f, 0.1097337380f}, {-0.9238795042f, -0.3826834261f}, {-0.8888573647f, 0.4581840038f}}, + {{-0.3239168525f, -0.9460855722f}, {0.9238795042f, -0.3826834261f}, {-0.8172453642f, -0.5762898922f}}, + {{0.8526405096f, -0.5224980116f}, {-0.3826834261f, 0.9238795042f}, {0.1331215799f, -0.9910997152f}}, + {{0.6959123611f, 0.7181267142f}, {-0.3826834261f, -0.9238795042f}, {0.9403476119f, -0.3402152061f}}, + {{-0.5490233898f, 0.8358070254f}, {0.9238795042f, 0.3826834261f}, {0.7364512086f, 0.6764906645f}}, + {{-0.9354437590f, -0.3534754813f}, {-0.9238795042f, 0.3826834261f}, {-0.2593250275f, 0.9657900929f}}, + {{0.1409019381f, -0.9900235534f}, {0.3826834261f, -0.9238795042f}, {-0.9762582779f, 0.2166097313f}}, + {{0.9969173670f, -0.0784583688f}, {0.3826834261f, 0.9238795042f}, {-0.6434556246f, -0.7654833794f}}, + {{0.2940396070f, 0.9557932615f}, {-0.9238795042f, -0.3826834261f}, {0.3812320232f, -0.9244794250f}}, + {{-0.8686318994f, 0.4954580069f}, {0.9238795042f, -0.3826834261f}, {0.9959943891f, -0.0894154981f}}, + {{-0.6730118990f, -0.7396316528f}, {-0.3826834261f, 0.9238795042f}, {0.5397993922f, 0.8417937160f}}, + {{0.5750059485f, -0.8181492686f}, {-0.3826834261f, -0.9238795042f}, {-0.4968227744f, 0.8678520322f}}, + {{0.9238792062f, 0.3826842010f}, {0.9238795042f, 0.3826834261f}, {-0.9992290139f, -0.0392601527f}}, + {{-0.1719299555f, 0.9851091504f}, {-0.9238795042f, 0.3826834261f}, {-0.4271997511f, -0.9041572809f}}, + {{-0.9988899231f, 0.0471055657f}, {0.3826834261f, -0.9238795042f}, {0.6041822433f, -0.7968461514f}}, + {{-0.2638721764f, -0.9645576477f}, {0.3826834261f, 0.9238795042f}, {0.9859085083f, 0.1672853529f}}, + {{0.8837660551f, -0.4679289758f}, {-0.9238795042f, -0.3826834261f}, {0.3075223565f, 0.9515408874f}}, + {{0.6494473219f, 0.7604066133f}, {0.9238795042f, -0.3826834261f}, {-0.7015317082f, 0.7126382589f}}, + {{-0.6004210114f, 0.7996840477f}, {-0.3826834261f, 0.9238795042f}, {-0.9562535882f, -0.2925389707f}}, + {{-0.9114028811f, -0.4115152657f}, {-0.3826834261f, -0.9238795042f}, {-0.1827499419f, -0.9831594229f}}, + {{0.2027882934f, -0.9792225957f}, {0.9238795042f, 0.3826834261f}, {0.7872582674f, -0.6166234016f}}, + {{0.9998766780f, -0.0157062728f}, {-0.9238795042f, 0.3826834261f}, {0.9107555747f, 0.4129458666f}}, + {{0.2334443331f, 0.9723701477f}, {0.3826834261f, -0.9238795042f}, {0.0549497530f, 0.9984891415f}}, + {{-0.8980280757f, 0.4399381876f}, {0.3826834261f, 0.9238795042f}, {-0.8599416018f, 0.5103924870f}}, + {{-0.6252418160f, -0.7804310918f}, {-0.9238795042f, -0.3826834261f}, {-0.8501682281f, -0.5265110731f}}, + {{0.6252435446f, -0.7804297209f}, {0.9238795042f, -0.3826834261f}, {0.0737608299f, -0.9972759485f}}, + {{0.8980270624f, 0.4399402142f}, {-0.3826834261f, 0.9238795042f}, {0.9183775187f, -0.3957053721f}}, + {{-0.2334465086f, 0.9723696709f}, {-0.3826834261f, -0.9238795042f}, {0.7754954696f, 0.6313531399f}}, + {{-0.9998766184f, -0.0157085191f}, {0.9238795042f, 0.3826834261f}, {-0.2012493610f, 0.9795400500f}}, + {{-0.2027861029f, -0.9792230725f}, {-0.9238795042f, 0.3826834261f}, {-0.9615978599f, 0.2744622827f}}, + {{0.9114037752f, -0.4115132093f}, {0.3826834261f, -0.9238795042f}, {-0.6879743338f, -0.7257350087f}}, + {{0.6004192233f, 0.7996854186f}, {0.3826834261f, 0.9238795042f}, {0.3254036009f, -0.9455752373f}}, + {{-0.6494490504f, 0.7604051232f}, {-0.9238795042f, -0.3826834261f}, {0.9888865948f, -0.1486719251f}}, + {{-0.8837650418f, -0.4679309726f}, {0.9238795042f, -0.3826834261f}, {0.5890548825f, 0.8080930114f}}, + {{0.2638743520f, -0.9645570517f}, {-0.3826834261f, 0.9238795042f}, {-0.4441666007f, 0.8959442377f}}, + {{0.9988898039f, 0.0471078083f}, {-0.3826834261f, -0.9238795042f}, {-0.9997915030f, 0.0204183888f}}, + {{0.1719277352f, 0.9851095676f}, {0.9238795042f, 0.3826834261f}, {-0.4803760946f, -0.8770626187f}}, + {{-0.9238800406f, 0.3826821446f}, {-0.9238795042f, 0.3826834261f}, {0.5555707216f, -0.8314692974f}}, + {{-0.5750041008f, -0.8181505203f}, {0.3826834261f, -0.9238795042f}, {0.9941320419f, 0.1081734300f}} + }; + + /* RE(Q_Fract_allpass_SubQmf20[j][i]) = (float)cos(M_PI*f_center_20[j]*frac_delay_q[i]); */ + /* IM(Q_Fract_allpass_SubQmf20[j][i]) = (float)sin(M_PI*f_center_20[j]*frac_delay_q[i]); */ + float[][][] Q_Fract_allpass_SubQmf20 = { + {{0.9857769012f, 0.1680592746f}, {0.9569403529f, 0.2902846634f}, {0.9907300472f, 0.1358452588f}}, + {{0.8744080663f, 0.4851911962f}, {0.6343932748f, 0.7730104327f}, {0.9175986052f, 0.3975082636f}}, + {{0.6642524004f, 0.7475083470f}, {0.0980171412f, 0.9951847196f}, {0.7767338753f, 0.6298289299f}}, + {{0.3790524006f, 0.9253752232f}, {-0.4713967443f, 0.8819212914f}, {0.5785340071f, 0.8156582713f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{0.8744080663f, -0.4851911962f}, {0.6343932748f, -0.7730104327f}, {0.9175986052f, -0.3975082636f}}, + {{0.9857769012f, -0.1680592746f}, {0.9569403529f, -0.2902846634f}, {0.9907300472f, -0.1358452588f}}, + {{-0.7126385570f, 0.7015314102f}, {-0.5555702448f, -0.8314695954f}, {-0.3305967748f, 0.9437720776f}}, + {{-0.1175374240f, 0.9930684566f}, {-0.9807852507f, 0.1950903237f}, {0.2066311091f, 0.9784189463f}}, + {{-0.9947921634f, 0.1019244045f}, {0.5555702448f, -0.8314695954f}, {-0.7720130086f, 0.6356067061f}}, + {{-0.8400934935f, -0.5424416065f}, {0.9807852507f, 0.1950903237f}, {-0.9896889329f, 0.1432335079f}} + }; + + /* RE(Q_Fract_allpass_SubQmf34[j][i]) = (float)cos(M_PI*f_center_34[j]*frac_delay_q[i]); */ + /* IM(Q_Fract_allpass_SubQmf34[j][i]) = (float)sin(M_PI*f_center_34[j]*frac_delay_q[i]); */ + float[][][] Q_Fract_allpass_SubQmf34 = { + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, + {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, + {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{-0.9048270583f, 0.4257792532f}, {-0.0000000000f, -1.0000000000f}, {-0.5724321604f, 0.8199520707f}}, + {{-0.9048270583f, 0.4257792532f}, {-0.0000000000f, -1.0000000000f}, {-0.5724321604f, 0.8199520707f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}, {1.0000000000f, 0.0000000000f}}, + {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, + {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, + {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, + {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, + {{-0.9048270583f, 0.4257792532f}, {-0.0000000000f, -1.0000000000f}, {-0.5724321604f, 0.8199520707f}}, + {{-0.9048270583f, 0.4257792532f}, {-0.0000000000f, -1.0000000000f}, {-0.5724321604f, 0.8199520707f}}, + {{-0.6129069924f, -0.7901550531f}, {0.7071067691f, 0.7071067691f}, {-0.9917160273f, -0.1284494549f}}, + {{0.2181432247f, 0.9759167433f}, {-0.7071067691f, 0.7071067691f}, {0.4623677433f, 0.8866882324f}}, + {{0.6374240518f, -0.7705131769f}, {-1.0000000000f, 0.0000000000f}, {-0.3446428776f, -0.9387338758f}}, + {{-0.9048270583f, 0.4257792532f}, {-0.0000000000f, -1.0000000000f}, {-0.5724321604f, 0.8199520707f}}, + {{-0.6129069924f, -0.7901550531f}, {0.7071067691f, 0.7071067691f}, {-0.9917160273f, -0.1284494549f}}, + {{-0.6129069924f, -0.7901550531f}, {0.7071067691f, 0.7071067691f}, {-0.9917160273f, -0.1284494549f}}, + {{0.6374240518f, -0.7705131769f}, {-1.0000000000f, 0.0000000000f}, {-0.3446428776f, -0.9387338758f}}, + {{0.6374240518f, -0.7705131769f}, {-1.0000000000f, 0.0000000000f}, {-0.3446428776f, -0.9387338758f}}, + {{0.8910064697f, 0.4539906085f}, {0.7071067691f, -0.7071067691f}, {0.6730125546f, -0.7396310568f}}, + {{-0.6129069924f, -0.7901550531f}, {0.7071067691f, 0.7071067691f}, {-0.9917160273f, -0.1284494549f}} + }; + + float[] cos_alphas = { + 1.0000000000f, 0.9841239700f, 0.9594738210f, + 0.8946843079f, 0.8269340931f, 0.7071067812f, + 0.4533210856f, 0.0000000000f + }; + + float[] sin_alphas = { + 0.0000000000f, 0.1774824264f, 0.2817977763f, + 0.4466989918f, 0.5622988580f, 0.7071067812f, + 0.8913472911f, 1.0000000000f + }; + + float[][] cos_betas_normal = { + {1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f}, + {1.0000000000f, 0.9995871699f, 0.9989419133f, 0.9972204583f, 0.9953790839f, 0.9920112747f, 0.9843408180f, 0.9681727381f}, + {1.0000000000f, 0.9984497744f, 0.9960279377f, 0.9895738413f, 0.9826814632f, 0.9701058164f, 0.9416098832f, 0.8822105900f}, + {1.0000000000f, 0.9959398908f, 0.9896038018f, 0.9727589768f, 0.9548355329f, 0.9223070404f, 0.8494349490f, 0.7013005535f}, + {1.0000000000f, 0.9932417400f, 0.9827071856f, 0.9547730996f, 0.9251668930f, 0.8717461589f, 0.7535520592f, 0.5198827312f}, + {1.0000000000f, 0.9902068095f, 0.9749613872f, 0.9346538534f, 0.8921231300f, 0.8158851259f, 0.6495964302f, 0.3313370772f}, + {1.0000000000f, 0.9880510933f, 0.9694670261f, 0.9204347876f, 0.8688622825f, 0.7768516704f, 0.5782161800f, 0.2069970356f}, + {1.0000000000f, 0.9858996945f, 0.9639898866f, 0.9063034786f, 0.8458214608f, 0.7384262300f, 0.5089811277f, 0.0905465944f} + }; + + float[][] sin_betas_normal = { + {0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f}, + {0.0000000000f, -0.0287313368f, -0.0459897147f, -0.0745074328f, -0.0960233266f, -0.1261492408f, -0.1762757894f, -0.2502829383f}, + {0.0000000000f, -0.0556601118f, -0.0890412670f, -0.1440264301f, -0.1853028382f, -0.2426823129f, -0.3367058477f, -0.4708550466f}, + {0.0000000000f, -0.0900207420f, -0.1438204281f, -0.2318188366f, -0.2971348264f, -0.3864579191f, -0.5276933461f, -0.7128657193f}, + {0.0000000000f, -0.1160639735f, -0.1851663774f, -0.2973353800f, -0.3795605619f, -0.4899577884f, -0.6573882369f, -0.8542376401f}, + {0.0000000000f, -0.1396082894f, -0.2223742196f, -0.3555589603f, -0.4517923427f, -0.5782140273f, -0.7602792104f, -0.9435124489f}, + {0.0000000000f, -0.1541266914f, -0.2452217065f, -0.3908961522f, -0.4950538699f, -0.6296836366f, -0.8158836002f, -0.9783415698f}, + {0.0000000000f, -0.1673373610f, -0.2659389001f, -0.4226275012f, -0.5334660781f, -0.6743342664f, -0.8607776784f, -0.9958922202f} + }; + + float[][] cos_betas_fine = { + {1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f, 1.0000000000f}, + {1.0000000000f, 0.9995871699f, 0.9989419133f, 0.9972204583f, 0.9953790839f, 0.9920112747f, 0.9843408180f, 0.9681727381f}, + {1.0000000000f, 0.9984497744f, 0.9960279377f, 0.9895738413f, 0.9826814632f, 0.9701058164f, 0.9416098832f, 0.8822105900f}, + {1.0000000000f, 0.9968361371f, 0.9918968104f, 0.9787540479f, 0.9647515190f, 0.9392903010f, 0.8820167114f, 0.7645325390f}, + {1.0000000000f, 0.9950262915f, 0.9872675041f, 0.9666584578f, 0.9447588606f, 0.9050918405f, 0.8165997379f, 0.6383824796f}, + {1.0000000000f, 0.9932417400f, 0.9827071856f, 0.9547730996f, 0.9251668930f, 0.8717461589f, 0.7535520592f, 0.5198827312f}, + {1.0000000000f, 0.9908827998f, 0.9766855904f, 0.9391249214f, 0.8994531782f, 0.8282352693f, 0.6723983174f, 0.3719473225f}, + {1.0000000000f, 0.9890240165f, 0.9719459866f, 0.9268448110f, 0.8793388536f, 0.7944023271f, 0.6101812098f, 0.2621501145f}, + {1.0000000000f, 0.9876350461f, 0.9684073447f, 0.9176973944f, 0.8643930070f, 0.7693796058f, 0.5646720713f, 0.1838899556f}, + {1.0000000000f, 0.9866247085f, 0.9658349704f, 0.9110590761f, 0.8535668048f, 0.7513165426f, 0.5320914819f, 0.1289530943f}, + {1.0000000000f, 0.9858996945f, 0.9639898866f, 0.9063034786f, 0.8458214608f, 0.7384262300f, 0.5089811277f, 0.0905465944f}, + {1.0000000000f, 0.9851245614f, 0.9620180268f, 0.9012265590f, 0.8375623272f, 0.7247108045f, 0.4845204297f, 0.0504115003f}, + {1.0000000000f, 0.9846869856f, 0.9609052357f, 0.8983639533f, 0.8329098386f, 0.7169983441f, 0.4708245354f, 0.0281732509f}, + {1.0000000000f, 0.9844406325f, 0.9602788522f, 0.8967533934f, 0.8302936455f, 0.7126658102f, 0.4631492839f, 0.0157851140f}, + {1.0000000000f, 0.9843020502f, 0.9599265269f, 0.8958477331f, 0.8288229094f, 0.7102315840f, 0.4588429315f, 0.0088578059f}, + {1.0000000000f, 0.9842241136f, 0.9597283916f, 0.8953385094f, 0.8279961409f, 0.7088635748f, 0.4564246834f, 0.0049751355f} + }; + + float[][] sin_betas_fine = { + {0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f, 0.0000000000f}, + {0.0000000000f, -0.0287313368f, -0.0459897147f, -0.0745074328f, -0.0960233266f, -0.1261492408f, -0.1762757894f, -0.2502829383f}, + {0.0000000000f, -0.0556601118f, -0.0890412670f, -0.1440264301f, -0.1853028382f, -0.2426823129f, -0.3367058477f, -0.4708550466f}, + {0.0000000000f, -0.0794840594f, -0.1270461238f, -0.2050378347f, -0.2631625097f, -0.3431234916f, -0.4712181245f, -0.6445851354f}, + {0.0000000000f, -0.0996126459f, -0.1590687758f, -0.2560691819f, -0.3277662204f, -0.4252161335f, -0.5772043556f, -0.7697193058f}, + {0.0000000000f, -0.1160639735f, -0.1851663774f, -0.2973353800f, -0.3795605619f, -0.4899577884f, -0.6573882369f, -0.8542376401f}, + {0.0000000000f, -0.1347266752f, -0.2146747714f, -0.3435758752f, -0.4370171396f, -0.5603805303f, -0.7401895046f, -0.9282538388f}, + {0.0000000000f, -0.1477548470f, -0.2352041647f, -0.3754446647f, -0.4761965776f, -0.6073919186f, -0.7922618830f, -0.9650271071f}, + {0.0000000000f, -0.1567705832f, -0.2493736450f, -0.3972801182f, -0.5028167951f, -0.6387918458f, -0.8253153651f, -0.9829468369f}, + {0.0000000000f, -0.1630082348f, -0.2591578860f, -0.4122758299f, -0.5209834064f, -0.6599420072f, -0.8466868694f, -0.9916506943f}, + {0.0000000000f, -0.1673373610f, -0.2659389001f, -0.4226275012f, -0.5334660781f, -0.6743342664f, -0.8607776784f, -0.9958922202f}, + {0.0000000000f, -0.1718417832f, -0.2729859267f, -0.4333482310f, -0.5463417868f, -0.6890531546f, -0.8747799456f, -0.9987285320f}, + {0.0000000000f, -0.1743316967f, -0.2768774604f, -0.4392518725f, -0.5534087104f, -0.6970748701f, -0.8822268738f, -0.9996030552f}, + {0.0000000000f, -0.1757175038f, -0.2790421580f, -0.4425306221f, -0.5573261722f, -0.7015037013f, -0.8862802834f, -0.9998754073f}, + {0.0000000000f, -0.1764921355f, -0.2802517850f, -0.4443611583f, -0.5595110229f, -0.7039681080f, -0.8885173967f, -0.9999607689f}, + {0.0000000000f, -0.1769262394f, -0.2809295540f, -0.4453862969f, -0.5607337966f, -0.7053456119f, -0.8897620516f, -0.9999876239f} + }; + + float[][] sincos_alphas_B_normal = { + {0.0561454100f, 0.0526385859f, 0.0472937334f, 0.0338410641f, 0.0207261065f, 0.0028205635f, 0.0028205635f, 0.0028205635f}, + {0.1249065138f, 0.1173697697f, 0.1057888284f, 0.0761985131f, 0.0468732723f, 0.0063956103f, 0.0063956103f, 0.0063956103f}, + {0.1956693050f, 0.1846090179f, 0.1673645109f, 0.1220621836f, 0.0757362479f, 0.0103882630f, 0.0103882630f, 0.0103882630f}, + {0.3015113269f, 0.2870525790f, 0.2637738799f, 0.1984573949f, 0.1260749909f, 0.0175600126f, 0.0175600126f, 0.0175600126f}, + {0.4078449476f, 0.3929852420f, 0.3680589270f, 0.2911029124f, 0.1934512363f, 0.0278686716f, 0.0278686716f, 0.0278686716f}, + {0.5336171261f, 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0.0028205635f}, + {0.0791834041f, 0.0742798103f, 0.0667907269f, 0.0478705292f, 0.0293500747f, 0.0039966755f, 0.0039966755f, 0.0039966755f}, + {0.1115021177f, 0.1047141985f, 0.0943053154f, 0.0678120561f, 0.0416669150f, 0.0056813213f, 0.0056813213f, 0.0056813213f}, + {0.1565355066f, 0.1473258371f, 0.1330924027f, 0.0963282233f, 0.0594509113f, 0.0081277946f, 0.0081277946f, 0.0081277946f}, + {0.2184643682f, 0.2064579524f, 0.1876265439f, 0.1375744167f, 0.0856896681f, 0.0117817338f, 0.0117817338f, 0.0117817338f}, + {0.3015113269f, 0.2870525790f, 0.2637738799f, 0.1984573949f, 0.1260749909f, 0.0175600126f, 0.0175600126f, 0.0175600126f}, + {0.3698741335f, 0.3547727297f, 0.3298252076f, 0.2556265829f, 0.1665990017f, 0.0236344541f, 0.0236344541f, 0.0236344541f}, + {0.4480623975f, 0.4339410024f, 0.4098613774f, 0.3322709108f, 0.2266784729f, 0.0334094131f, 0.0334094131f, 0.0334094131f}, + {0.5336171261f, 0.5226637762f, 0.5033652606f, 0.4349162672f, 0.3224682122f, 0.0521999036f, 0.0521999036f, 0.0521999036f}, + {0.6219832023f, 0.6161847276f, 0.6057251063f, 0.5654342668f, 0.4826149915f, 0.1058044758f, 0.1058044758f, 0.1058044758f}, + {0.7071067657f, 0.7071067657f, 0.7071067657f, 0.7071067657f, 0.7071067657f, 0.7071067657f, 0.7071067657f, 0.7071067657f}, + {0.7830305572f, 0.7876016373f, 0.7956739618f, 0.8247933372f, 0.8758325942f, 0.9943869542f, 0.9943869542f, 0.9943869542f}, + {0.8457261833f, 0.8525388778f, 0.8640737401f, 0.9004708933f, 0.9465802987f, 0.9986366532f, 0.9986366532f, 0.9986366532f}, + {0.8940022267f, 0.9009412572f, 0.9121477564f, 0.9431839770f, 0.9739696219f, 0.9994417480f, 0.9994417480f, 0.9994417480f}, + {0.9290818561f, 0.9349525662f, 0.9440420138f, 0.9667755833f, 0.9860247275f, 0.9997206664f, 0.9997206664f, 0.9997206664f}, + {0.9534625907f, 0.9579148236f, 0.9645845234f, 0.9801095128f, 0.9920207064f, 0.9998458099f, 0.9998458099f, 0.9998458099f}, + {0.9758449068f, 0.9784554646f, 0.9822404252f, 0.9904914275f, 0.9963218730f, 0.9999305926f, 0.9999305926f, 0.9999305926f}, + {0.9876723320f, 0.9890880155f, 0.9911036356f, 0.9953496173f, 0.9982312259f, 0.9999669685f, 0.9999669685f, 0.9999669685f}, + {0.9937641889f, 0.9945023501f, 0.9955433130f, 0.9976981117f, 0.9991315558f, 0.9999838610f, 0.9999838610f, 0.9999838610f}, + {0.9968600642f, 0.9972374385f, 0.9977670024f, 0.9988535464f, 0.9995691924f, 0.9999920129f, 0.9999920129f, 0.9999920129f}, + {0.9984226014f, 0.9986136287f, 0.9988810254f, 0.9994272242f, 0.9997851906f, 0.9999960221f, 0.9999960221f, 0.9999960221f}, + {0.9995003746f, 0.9995611974f, 0.9996461891f, 0.9998192657f, 0.9999323103f, 0.9999987475f, 0.9999987475f, 0.9999987475f}, + {0.9998419236f, 0.9998611991f, 0.9998881193f, 0.9999428861f, 0.9999786185f, 0.9999996045f, 0.9999996045f, 0.9999996045f}, + {0.9999500038f, 0.9999561034f, 0.9999646206f, 0.9999819429f, 0.9999932409f, 0.9999998750f, 0.9999998750f, 0.9999998750f}, + {0.9999841890f, 0.9999861183f, 0.9999888121f, 0.9999942902f, 0.9999978628f, 0.9999999605f, 0.9999999605f, 0.9999999605f}, + {0.9999950000f, 0.9999956102f, 0.9999964621f, 0.9999981945f, 0.9999993242f, 0.9999999875f, 0.9999999875f, 0.9999999875f} + }; + + float[][] cos_gammas_normal = { + {1.0000000000f, 0.9841239707f, 0.9594738226f, 0.8946843024f, 0.8269341029f, 0.7245688486f, 0.7245688486f, 0.7245688486f}, + {1.0000000000f, 0.9849690570f, 0.9617776789f, 0.9020941550f, 0.8436830391f, 0.7846832804f, 0.7846832804f, 0.7846832804f}, + {1.0000000000f, 0.9871656089f, 0.9676774734f, 0.9199102884f, 0.8785067015f, 0.8464232214f, 0.8464232214f, 0.8464232214f}, + {1.0000000000f, 0.9913533967f, 0.9786000177f, 0.9496063381f, 0.9277157252f, 0.9133354077f, 0.9133354077f, 0.9133354077f}, + {1.0000000000f, 0.9948924435f, 0.9875319180f, 0.9716329849f, 0.9604805241f, 0.9535949574f, 0.9535949574f, 0.9535949574f}, + {1.0000000000f, 0.9977406278f, 0.9945423840f, 0.9878736667f, 0.9833980494f, 0.9807207440f, 0.9807207440f, 0.9807207440f}, + {1.0000000000f, 0.9990607067f, 0.9977417734f, 0.9950323970f, 0.9932453273f, 0.9921884740f, 0.9921884740f, 0.9921884740f}, + {1.0000000000f, 0.9998081748f, 0.9995400312f, 0.9989936459f, 0.9986365356f, 0.9984265591f, 0.9984265591f, 0.9984265591f} + }; + + float[][] cos_gammas_fine = { + {1.0000000000f, 0.9841239707f, 0.9594738226f, 0.8946843024f, 0.8269341029f, 0.7245688486f, 0.7245688486f, 0.7245688486f}, + {1.0000000000f, 0.9849690570f, 0.9617776789f, 0.9020941550f, 0.8436830391f, 0.7846832804f, 0.7846832804f, 0.7846832804f}, + {1.0000000000f, 0.9871656089f, 0.9676774734f, 0.9199102884f, 0.8785067015f, 0.8464232214f, 0.8464232214f, 0.8464232214f}, + {1.0000000000f, 0.9899597309f, 0.9750098690f, 0.9402333855f, 0.9129698759f, 0.8943765944f, 0.8943765944f, 0.8943765944f}, + {1.0000000000f, 0.9926607607f, 0.9819295710f, 0.9580160104f, 0.9404993670f, 0.9293004472f, 0.9293004472f, 0.9293004472f}, + {1.0000000000f, 0.9948924435f, 0.9875319180f, 0.9716329849f, 0.9604805241f, 0.9535949574f, 0.9535949574f, 0.9535949574f}, + {1.0000000000f, 0.9972074644f, 0.9932414270f, 0.9849197629f, 0.9792926592f, 0.9759092525f, 0.9759092525f, 0.9759092525f}, + {1.0000000000f, 0.9985361982f, 0.9964742028f, 0.9922136306f, 0.9893845420f, 0.9877041371f, 0.9877041371f, 0.9877041371f}, + {1.0000000000f, 0.9992494366f, 0.9981967170f, 0.9960386625f, 0.9946185834f, 0.9937800239f, 0.9937800239f, 0.9937800239f}, + {1.0000000000f, 0.9996194722f, 0.9990869422f, 0.9979996269f, 0.9972873651f, 0.9968679747f, 0.9968679747f, 0.9968679747f}, + {1.0000000000f, 0.9998081748f, 0.9995400312f, 0.9989936459f, 0.9986365356f, 0.9984265591f, 0.9984265591f, 0.9984265591f}, + {1.0000000000f, 0.9999390971f, 0.9998540271f, 0.9996809352f, 0.9995679735f, 0.9995016284f, 0.9995016284f, 0.9995016284f}, + {1.0000000000f, 0.9999807170f, 0.9999537862f, 0.9998990191f, 0.9998632947f, 0.9998423208f, 0.9998423208f, 0.9998423208f}, + {1.0000000000f, 0.9999938979f, 0.9999853814f, 0.9999680568f, 0.9999567596f, 0.9999501270f, 0.9999501270f, 0.9999501270f}, + {1.0000000000f, 0.9999980703f, 0.9999953731f, 0.9999898968f, 0.9999863277f, 0.9999842265f, 0.9999842265f, 0.9999842265f}, + {1.0000000000f, 0.9999993891f, 0.9999985397f, 0.9999968037f, 0.9999956786f, 0.9999950155f, 0.9999950155f, 0.9999950155f} + }; + + float[][] sin_gammas_normal = { + {0.0000000000f, 0.1774824223f, 0.2817977711f, 0.4466990028f, 0.5622988435f, 0.6892024258f, 0.6892024258f, 0.6892024258f}, + {0.0000000000f, 0.1727308798f, 0.2738315110f, 0.4315392630f, 0.5368416242f, 0.6198968861f, 0.6198968861f, 0.6198968861f}, + {0.0000000000f, 0.1596999079f, 0.2521910140f, 0.3921288836f, 0.4777300236f, 0.5325107795f, 0.5325107795f, 0.5325107795f}, + {0.0000000000f, 0.1312190642f, 0.2057717310f, 0.3134450552f, 0.3732874674f, 0.4072080955f, 0.4072080955f, 0.4072080955f}, + {0.0000000000f, 0.1009407043f, 0.1574189028f, 0.2364938532f, 0.2783471983f, 0.3010924396f, 0.3010924396f, 0.3010924396f}, + {0.0000000000f, 0.0671836269f, 0.1043333428f, 0.1552598422f, 0.1814615013f, 0.1954144885f, 0.1954144885f, 0.1954144885f}, + {0.0000000000f, 0.0433324862f, 0.0671666110f, 0.0995516398f, 0.1160332699f, 0.1247478739f, 0.1247478739f, 0.1247478739f}, + {0.0000000000f, 0.0195860576f, 0.0303269852f, 0.0448519274f, 0.0522022017f, 0.0560750040f, 0.0560750040f, 0.0560750040f} + }; + + float[][] sin_gammas_fine = { + {0.0000000000f, 0.1774824223f, 0.2817977711f, 0.4466990028f, 0.5622988435f, 0.6892024258f, 0.6892024258f, 0.6892024258f}, + {0.0000000000f, 0.1727308798f, 0.2738315110f, 0.4315392630f, 0.5368416242f, 0.6198968861f, 0.6198968861f, 0.6198968861f}, + {0.0000000000f, 0.1596999079f, 0.2521910140f, 0.3921288836f, 0.4777300236f, 0.5325107795f, 0.5325107795f, 0.5325107795f}, + {0.0000000000f, 0.1413496768f, 0.2221615526f, 0.3405307340f, 0.4080269669f, 0.4473147744f, 0.4473147744f, 0.4473147744f}, + {0.0000000000f, 0.1209322714f, 0.1892467110f, 0.2867147079f, 0.3397954394f, 0.3693246252f, 0.3693246252f, 0.3693246252f}, + {0.0000000000f, 0.1009407043f, 0.1574189028f, 0.2364938532f, 0.2783471983f, 0.3010924396f, 0.3010924396f, 0.3010924396f}, + {0.0000000000f, 0.0746811420f, 0.1160666523f, 0.1730117353f, 0.2024497161f, 0.2181768341f, 0.2181768341f, 0.2181768341f}, + {0.0000000000f, 0.0540875291f, 0.0838997203f, 0.1245476266f, 0.1453211203f, 0.1563346972f, 0.1563346972f, 0.1563346972f}, + {0.0000000000f, 0.0387371058f, 0.0600276114f, 0.0889212171f, 0.1036044086f, 0.1113609634f, 0.1113609634f, 0.1113609634f}, + {0.0000000000f, 0.0275846110f, 0.0427233177f, 0.0632198125f, 0.0736064637f, 0.0790837596f, 0.0790837596f, 0.0790837596f}, + {0.0000000000f, 0.0195860576f, 0.0303269852f, 0.0448519274f, 0.0522022017f, 0.0560750040f, 0.0560750040f, 0.0560750040f}, + {0.0000000000f, 0.0110363955f, 0.0170857974f, 0.0252592108f, 0.0293916021f, 0.0315673054f, 0.0315673054f, 0.0315673054f}, + {0.0000000000f, 0.0062101284f, 0.0096138203f, 0.0142109649f, 0.0165345659f, 0.0177576316f, 0.0177576316f, 0.0177576316f}, + {0.0000000000f, 0.0034934509f, 0.0054071189f, 0.0079928316f, 0.0092994041f, 0.0099871631f, 0.0099871631f, 0.0099871631f}, + {0.0000000000f, 0.0019645397f, 0.0030419905f, 0.0044951511f, 0.0052291853f, 0.0056166498f, 0.0056166498f, 0.0056166498f}, + {0.0000000000f, 0.0011053943f, 0.0017089869f, 0.0025283670f, 0.0029398552f, 0.0031573685f, 0.0031573685f, 0.0031573685f} + }; + + float[] sf_iid_normal = { + 1.4119827747f, 1.4031381607f, 1.3868767023f, + 1.3483997583f, 1.2912493944f, 1.1960374117f, + 1.1073724031f, 1.0000000000f, 0.8796171546f, + 0.7546485662f, 0.5767799020f, 0.4264014363f, + 0.2767182887f, 0.1766446233f, 0.0794016272f + }; + + float[] sf_iid_fine = { + 1.4142065048f, 1.4141912460f, 1.4141428471f, + 1.4139900208f, 1.4135069847f, 1.4119827747f, + 1.4097729921f, 1.4053947926f, 1.3967796564f, + 1.3800530434f, 1.3483997583f, 1.3139201403f, + 1.2643101215f, 1.1960374117f, 1.1073724031f, + 1.0000000000f, 0.8796171546f, 0.7546485662f, + 0.6336560845f, 0.5230810642f, 0.4264014363f, + 0.3089554012f, 0.2213746458f, 0.1576878875f, + 0.1119822487f, 0.0794016272f, 0.0446990170f, + 0.0251446925f, 0.0141414283f, 0.0079525812f, + 0.0044721137f + }; + float[] ipdopd_cos_tab = { + 1.000000000000000f, + 0.707106781186548f, + 0.000000000000000f, + -0.707106781186547f, + -1.000000000000000f, + -0.707106781186548f, + -0.000000000000000f, + 0.707106781186547f, + 1.000000000000000f + }; + + float[] ipdopd_sin_tab = { + 0.000000000000000f, + 0.707106781186547f, + 1.000000000000000f, + 0.707106781186548f, + 0.000000000000000f, + -0.707106781186547f, + -1.000000000000000f, + -0.707106781186548f, + -0.000000000000000f + }; } diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/AnalysisFilterbank.java b/src/main/java/net/sourceforge/jaad/aac/sbr/AnalysisFilterbank.java index b38cda7c..5f5fc30c 100644 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/AnalysisFilterbank.java +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/AnalysisFilterbank.java @@ -1,93 +1,77 @@ package net.sourceforge.jaad.aac.sbr; -import java.util.Arrays; +class AnalysisFilterbank extends Filterbank { -class AnalysisFilterbank implements FilterbankTable { + AnalysisFilterbank(int channels) { + super(channels); + } - private float[] x; //x is implemented as double ringbuffer - private int x_index; //ringbuffer index - private int channels; + void sbr_qmf_analysis_32(int numTimeSlotsRate, float[] input, + float[][][] X, int offset, int kx) { + float[] u = new float[64]; + float[] in_real = new float[32], in_imag = new float[32]; + float[] out_real = new float[32], out_imag = new float[32]; - AnalysisFilterbank(int channels) { - this.channels = channels; - x = new float[2*channels*10]; - x_index = 0; - } + /* qmf subsample l */ + for (int l = 0, in=0; l < numTimeSlotsRate; l++) { + int n; - public void reset() { - Arrays.fill(x, 0); - } + /* shift input buffer x */ + /* input buffer is not shifted anymore, x is implemented as double ringbuffer */ + //memmove(qmfa.x + 32, qmfa.x, (320-32)*sizeof(real_t)); - void sbr_qmf_analysis_32(SBR sbr, float[] input, - float[][][] X, int offset, int kx) { - float[] u = new float[64]; - float[] in_real = new float[32], in_imag = new float[32]; - float[] out_real = new float[32], out_imag = new float[32]; - int in = 0; - int l; + /* add new samples to input buffer x */ + for (n = 32 - 1; n >= 0; n--) { + this.v[this.v_index + n] = this.v[this.v_index + n + 320] = input[in++]; + } - /* qmf subsample l */ - for(l = 0; l=0; n--) { - this.x[this.x_index+n] = this.x[this.x_index+n+320] = input[in++]; - } + /* calculate 32 subband samples by introducing X */ + // Reordering of data moved from DCT_IV to here + in_imag[31] = u[1]; + in_real[0] = u[0]; + for (n = 1; n < 31; n++) { + in_imag[31 - n] = u[n + 1]; + in_real[n] = -u[64 - n]; + } + in_imag[0] = u[32]; + in_real[31] = -u[33]; - /* window and summation to create array u */ - for(n = 0; n<64; n++) { - u[n] = (this.x[this.x_index+n]*qmf_c[2*n]) - +(this.x[this.x_index+n+64]*qmf_c[2*(n+64)]) - +(this.x[this.x_index+n+128]*qmf_c[2*(n+128)]) - +(this.x[this.x_index+n+192]*qmf_c[2*(n+192)]) - +(this.x[this.x_index+n+256]*qmf_c[2*(n+256)]); - } + // dct4_kernel is DCT_IV without reordering which is done before and after FFT + DCT.dct4_kernel(in_real, in_imag, out_real, out_imag); - /* update ringbuffer index */ - this.x_index -= 32; - if(this.x_index<0) - this.x_index = (320-32); - - /* calculate 32 subband samples by introducing X */ - // Reordering of data moved from DCT_IV to here - in_imag[31] = u[1]; - in_real[0] = u[0]; - for(n = 1; n<31; n++) { - in_imag[31-n] = u[n+1]; - in_real[n] = -u[64-n]; - } - in_imag[0] = u[32]; - in_real[31] = -u[33]; - - // dct4_kernel is DCT_IV without reordering which is done before and after FFT - DCT.dct4_kernel(in_real, in_imag, out_real, out_imag); - - // Reordering of data moved from DCT_IV to here - for(n = 0; n<16; n++) { - if(2*n+1= 0) { + int bit = ld.readBit(); + index = t_huff[index][bit]; + } + + return index + 64; + } + + void extract_noise_floor_data() { + + for (int l = 0; l < L_Q; l++) { + if (bs_df_noise[l] == 0) { + for (int k = 1; k < sbr.N_Q; k++) { + Q[k][l] = Q[k][l] + Q[k - 1][l]; + } + } else { + if (l == 0) { + for (int k = 0; k < sbr.N_Q; k++) { + Q[k][l] = Q_prev[k] + Q[k][0]; + } + } else { + for (int k = 0; k < sbr.N_Q; k++) { + Q[k][l] = Q[k][l - 1] + Q[k][l]; + } + } + } + } + } + + /* table 7 */ + int sbr_grid(BitStream ld) { + int result; + int saved_L_E = L_E; + int saved_L_Q = L_Q; + FrameClass saved_frame_class = bs_frame_class; + + bs_frame_class = FrameClass.read(ld); + + switch (bs_frame_class) { + case FIXFIX: { + int i = ld.readBits(2); + + int bs_num_env = Math.min(1 << i, 5); + + i = ld.readBit(); + for (int env = 0; env < bs_num_env; env++) { + f[env] = i; + } + + L_E = Math.min(bs_num_env, 4); + + abs_bord_lead = 0; + abs_bord_trail = sbr.numTimeSlots; + n_rel_lead = bs_num_env - 1; + n_rel_trail = 0; + break; + } + case FIXVAR: { + int bs_abs_bord = ld.readBits(2) + sbr.numTimeSlots; + int bs_num_env = ld.readBits(2) + 1; + + for (int rel = 0; rel < bs_num_env - 1; rel++) { + bs_rel_bord[rel] = 2 * ld.readBits(2) + 2; + } + int i = sbr_log2(bs_num_env + 1); + bs_pointer = ld.readBits(i); + + for (int env = 0; env < bs_num_env; env++) { + f[bs_num_env - env - 1] = ld.readBit(); + } + + L_E = Math.min(bs_num_env, 4); + + abs_bord_lead = 0; + abs_bord_trail = bs_abs_bord; + n_rel_lead = 0; + n_rel_trail = bs_num_env - 1; + break; + } + case VARFIX: { + int bs_abs_bord = ld.readBits(2); + int bs_num_env = ld.readBits(2) + 1; + + for (int rel = 0; rel < bs_num_env - 1; rel++) { + bs_rel_bord[rel] = 2 * ld.readBits(2) + 2; + } + int i = sbr_log2(bs_num_env + 1); + bs_pointer = ld.readBits(i); + + for (int env = 0; env < bs_num_env; env++) { + f[env] = ld.readBit(); + } + + L_E = Math.min(bs_num_env, 4); + + abs_bord_lead = bs_abs_bord; + abs_bord_trail = sbr.numTimeSlots; + n_rel_lead = bs_num_env - 1; + n_rel_trail = 0; + break; + } + case VARVAR: { + int bs_abs_bord = ld.readBits(2); + int bs_abs_bord_1 = ld.readBits(2) + sbr.numTimeSlots; + bs_num_rel_0 = ld.readBits(2); + bs_num_rel_1 = ld.readBits(2); + + int bs_num_env = Math.min(5, bs_num_rel_0 + bs_num_rel_1 + 1); + + for (int rel = 0; rel < bs_num_rel_0; rel++) { + bs_rel_bord_0[rel] = 2 * ld.readBits(2) + 2; + } + for (int rel = 0; rel < bs_num_rel_1; rel++) { + bs_rel_bord_1[rel] = 2 * ld.readBits(2) + 2; + } + int i = sbr_log2(bs_num_rel_0 + bs_num_rel_1 + 2); + bs_pointer = ld.readBits(i); + + for (int env = 0; env < bs_num_env; env++) { + f[env] = ld.readBit(); + } + + L_E = Math.min(bs_num_env, 5); + + abs_bord_lead = bs_abs_bord; + abs_bord_trail = bs_abs_bord_1; + n_rel_lead = bs_num_rel_0; + n_rel_trail = bs_num_rel_1; + + break; + } + } + + if (L_E <= 0) + return 1; + + if (L_E > 1) + L_Q = 2; + else + L_Q = 1; + + /* TODO: this code can probably be integrated into the code above! */ + if ((result = envelope_time_border_vector()) > 0) { + bs_frame_class = saved_frame_class; + L_E = saved_L_E; + L_Q = saved_L_Q; + return result; + } + + noise_floor_time_border_vector(); + + return 0; + } + + private static final int[] log2tab = {0, 0, 1, 2, 2, 3, 3, 3, 3, 4}; + + /* integer log[2](x): input range [0,10) */ + private static int sbr_log2(int val) { + + if (val < 10 && val >= 0) + return log2tab[val]; + else + return 0; + } + + + private final int[] eTmp = new int[6]; + + /* function constructs new time border vector */ + /* first build into temp vector to be able to use previous vector on error */ + int envelope_time_border_vector() { + + eTmp[0] = sbr.rate * abs_bord_lead; + eTmp[L_E] = sbr.rate * abs_bord_trail; + + switch (bs_frame_class) { + case FIXFIX: + switch (L_E) { + case 4: + int temp = (sbr.numTimeSlots / 4); + eTmp[3] = sbr.rate * 3 * temp; + eTmp[2] = sbr.rate * 2 * temp; + eTmp[1] = sbr.rate * temp; + break; + case 2: + eTmp[1] = sbr.rate * (sbr.numTimeSlots / 2); + break; + default: + break; + } + break; + + case FIXVAR: + if (L_E > 1) { + int i = L_E; + int border = abs_bord_trail; + + for (int l = 0; l < (L_E - 1); l++) { + if (border < bs_rel_bord[l]) + return 1; + + border -= bs_rel_bord[l]; + eTmp[--i] = sbr.rate * border; + } + } + break; + + case VARFIX: + if (L_E > 1) { + int i = 1; + int border = abs_bord_lead; + + for (int l = 0; l < (L_E - 1); l++) { + border += bs_rel_bord[l]; + + if (sbr.rate * border + sbr.tHFAdj > sbr.numTimeSlotsRate + sbr.tHFGen) + return 1; + + eTmp[i++] = sbr.rate * border; + } + } + break; + + case VARVAR: + if (bs_num_rel_0 != 0) { + int i = 1; + int border = abs_bord_lead; + + for (int l = 0; l < bs_num_rel_0; l++) { + border += bs_rel_bord_0[l]; + + if (sbr.rate * border + sbr.tHFAdj > sbr.numTimeSlotsRate + sbr.tHFGen) + return 1; + + eTmp[i++] = sbr.rate * border; + } + } + + if (bs_num_rel_1 != 0) { + int i = L_E; + int border = abs_bord_trail; + + for (int l = 0; l < bs_num_rel_1; l++) { + if (border < bs_rel_bord_1[l]) + return 1; + + border -= bs_rel_bord_1[l]; + eTmp[--i] = sbr.rate * border; + } + } + break; + } + + /* no error occured, we can safely use this t_E vector */ + System.arraycopy(eTmp, 0, t_E, 0, 6); + + return 0; + } + + void noise_floor_time_border_vector() { + t_Q[0] = t_E[0]; + + if (L_E == 1) { + t_Q[1] = t_E[1]; + t_Q[2] = 0; + } else { + int index = middleBorder(); + t_Q[1] = t_E[index]; + t_Q[2] = t_E[L_E]; + } + } + + private int middleBorder() { + int retval = 0; + + switch (bs_frame_class) { + case FIXFIX: + retval = L_E / 2; + break; + case VARFIX: + if (bs_pointer == 0) + retval = 1; + else if (bs_pointer == 1) + retval = L_E - 1; + else + retval = bs_pointer - 1; + break; + case FIXVAR: + case VARVAR: + if (bs_pointer > 1) + retval = L_E + 1 - bs_pointer; + else + retval = L_E - 1; + break; + } + + return Math.max(retval, 0); + } + + + void process_channel(float[] channel_buf, float[][][] X, boolean reset) { + + sbr.bsco = 0; + + boolean dont_process = sbr.hdr == null; + + /* subband analysis */ + qmfa.sbr_qmf_analysis_32(sbr.numTimeSlotsRate, channel_buf, + Xsbr, sbr.tHFGen, dont_process ? 32 : sbr.kx); + + if (!dont_process) { + /* insert high frequencies here */ + /* hf generation using patching */ + HFGeneration.hf_generation(Xsbr, Xsbr, this, reset); + + + /* hf adjustment */ + HFAdjustment.hf_adjustment(sbr, Xsbr, this); + } + + if (dont_process) { + for (int l = 0; l < sbr.numTimeSlotsRate; l++) { + for (int k = 0; k < 32; k++) { + X[l][k][0] = Xsbr[l + sbr.tHFAdj][k][0]; + X[l][k][1] = Xsbr[l + sbr.tHFAdj][k][1]; + } + for (int k = 32; k < 64; k++) { + X[l][k][0] = 0; + X[l][k][1] = 0; + } + } + } else { + for (int l = 0; l < sbr.numTimeSlotsRate; l++) { + int kx_band, M_band, bsco_band; + + if (l < t_E[0]) { + kx_band = sbr.kx_prev; + M_band = sbr.M_prev; + bsco_band = sbr.bsco_prev; + } else { + kx_band = sbr.kx; + M_band = sbr.M; + bsco_band = sbr.bsco; + } + + for (int k = 0; k < kx_band + bsco_band; k++) { + X[l][k][0] = Xsbr[l + sbr.tHFAdj][k][0]; + X[l][k][1] = Xsbr[l + sbr.tHFAdj][k][1]; + } + for (int k = kx_band + bsco_band; k < kx_band + M_band; k++) { + X[l][k][0] = Xsbr[l + sbr.tHFAdj][k][0]; + X[l][k][1] = Xsbr[l + sbr.tHFAdj][k][1]; + } + for (int k = Math.max(kx_band + bsco_band, kx_band + M_band); k < 64; k++) { + X[l][k][0] = 0; + X[l][k][1] = 0; + } + } + } + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/Constants.java b/src/main/java/net/sourceforge/jaad/aac/sbr/Constants.java deleted file mode 100644 index 938035c6..00000000 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/Constants.java +++ /dev/null @@ -1,37 +0,0 @@ -package net.sourceforge.jaad.aac.sbr; - -interface Constants { - - int[] startMinTable = {7, 7, 10, 11, 12, 16, 16, - 17, 24, 32, 35, 48}; - int[] offsetIndexTable = {5, 5, 4, 4, 4, 3, 2, 1, 0, - 6, 6, 6}; - int[][] OFFSET = { - {-8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7}, //16000 - {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13}, //22050 - {-5, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16}, //24000 - {-6, -4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16}, //32000 - {-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16, 20}, //44100-64000 - {-2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16, 20, 24}, //>64000 - {0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16, 20, 24, 28, 33} - }; - int EXTENSION_ID_PS = 2; - int MAX_NTSRHFG = 40; //maximum of number_time_slots * rate + HFGen. 16*2+8 - int MAX_NTSR = 32; //max number_time_slots * rate, ok for DRM and not DRM mode - int MAX_M = 49; //maximum value for M - int MAX_L_E = 5; //maximum value for L_E - int EXT_SBR_DATA = 13; - int EXT_SBR_DATA_CRC = 14; - int FIXFIX = 0; - int FIXVAR = 1; - int VARFIX = 2; - int VARVAR = 3; - int LO_RES = 0; - int HI_RES = 1; - int NO_TIME_SLOTS_960 = 15; - int NO_TIME_SLOTS = 16; - int RATE = 2; - int NOISE_FLOOR_OFFSET = 6; - int T_HFGEN = 8; - int T_HFADJ = 2; -} diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/DCT.java b/src/main/java/net/sourceforge/jaad/aac/sbr/DCT.java index d0c1a09b..e6d37d25 100644 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/DCT.java +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/DCT.java @@ -2,393 +2,392 @@ class DCT { - private static final int n = 32; - - // w_array_real[i] = cos(2*M_PI*i/32) - private static final float[] w_array_real = { - 1.000000000000000f, 0.980785279337272f, - 0.923879528329380f, 0.831469603195765f, - 0.707106765732237f, 0.555570210304169f, - 0.382683402077046f, 0.195090284503576f, - 0.000000000000000f, -0.195090370246552f, - -0.382683482845162f, -0.555570282993553f, - -0.707106827549476f, -0.831469651765257f, - -0.923879561784627f, -0.980785296392607f - }; - - // w_array_imag[i] = sin(-2*M_PI*i/32) - private static final float[] w_array_imag = { - 0.000000000000000f, -0.195090327375064f, - -0.382683442461104f, -0.555570246648862f, - -0.707106796640858f, -0.831469627480512f, - -0.923879545057005f, -0.980785287864940f, - -1.000000000000000f, -0.980785270809601f, - -0.923879511601754f, -0.831469578911016f, - -0.707106734823616f, -0.555570173959476f, - -0.382683361692986f, -0.195090241632088f - }; - - private static final float[] dct4_64_tab = { - 0.999924719333649f, 0.998118102550507f, - 0.993906974792480f, 0.987301409244537f, - 0.978317379951477f, 0.966976463794708f, - 0.953306019306183f, 0.937339007854462f, - 0.919113874435425f, 0.898674488067627f, - 0.876070082187653f, 0.851355195045471f, - 0.824589252471924f, 0.795836925506592f, - 0.765167236328125f, 0.732654273509979f, - 0.698376238346100f, 0.662415742874146f, - 0.624859452247620f, 0.585797846317291f, - 0.545324981212616f, 0.503538429737091f, - 0.460538715124130f, 0.416429549455643f, - 0.371317148208618f, 0.325310230255127f, - 0.278519600629807f, 0.231058135628700f, - 0.183039888739586f, 0.134580686688423f, - 0.085797272622585f, 0.036807164549828f, - -1.012196302413940f, -1.059438824653626f, - -1.104129195213318f, -1.146159529685974f, - -1.185428738594055f, -1.221842169761658f, - -1.255311965942383f, -1.285757660865784f, - -1.313105940818787f, -1.337290763854981f, - -1.358253836631775f, -1.375944852828980f, - -1.390321016311646f, -1.401347875595093f, - -1.408998727798462f, -1.413255214691162f, - -1.414107084274292f, -1.411552190780640f, - -1.405596733093262f, -1.396255016326904f, - -1.383549690246582f, -1.367511272430420f, - -1.348178386688232f, -1.325597524642944f, - -1.299823284149170f, -1.270917654037476f, - -1.238950133323669f, -1.203998088836670f, - -1.166145324707031f, -1.125483393669128f, - -1.082109928131104f, -1.036129593849182f, - -0.987653195858002f, -0.936797380447388f, - -0.883684754371643f, -0.828443288803101f, - -0.771206021308899f, -0.712110757827759f, - -0.651300072669983f, -0.588920354843140f, - -0.525121808052063f, -0.460058242082596f, - -0.393886327743530f, -0.326765477657318f, - -0.258857429027557f, -0.190325915813446f, - -0.121335685253143f, -0.052053272724152f, - 0.017354607582092f, 0.086720645427704f, - 0.155877828598022f, 0.224659323692322f, - 0.292899727821350f, 0.360434412956238f, - 0.427100926637650f, 0.492738455533981f, - 0.557188928127289f, 0.620297133922577f, - 0.681910991668701f, 0.741881847381592f, - 0.800065577030182f, 0.856321990489960f, - 0.910515367984772f, 0.962515234947205f, - 1.000000000000000f, 0.998795449733734f, - 0.995184719562531f, 0.989176511764526f, - 0.980785250663757f, 0.970031261444092f, - 0.956940352916718f, 0.941544055938721f, - 0.923879504203796f, 0.903989315032959f, - 0.881921231746674f, 0.857728600502014f, - 0.831469595432281f, 0.803207516670227f, - 0.773010432720184f, 0.740951120853424f, - 0.707106769084930f, 0.671558916568756f, - 0.634393274784088f, 0.595699310302734f, - 0.555570185184479f, 0.514102697372437f, - 0.471396654844284f, 0.427555114030838f, - 0.382683426141739f, 0.336889833211899f, - 0.290284633636475f, 0.242980122566223f, - 0.195090234279633f, 0.146730497479439f, - 0.098017133772373f, 0.049067649990320f, - -1.000000000000000f, -1.047863125801086f, - -1.093201875686646f, -1.135906934738159f, - -1.175875544548035f, -1.213011503219605f, - -1.247225046157837f, -1.278433918952942f, - -1.306562900543213f, -1.331544399261475f, - -1.353317975997925f, -1.371831417083740f, - -1.387039899826050f, -1.398906826972961f, - -1.407403707504273f, -1.412510156631470f, - 0f, -1.412510156631470f, - -1.407403707504273f, -1.398906826972961f, - -1.387039899826050f, -1.371831417083740f, - -1.353317975997925f, -1.331544399261475f, - -1.306562900543213f, -1.278433918952942f, - -1.247225046157837f, -1.213011384010315f, - -1.175875544548035f, -1.135907053947449f, - -1.093201875686646f, -1.047863125801086f, - -1.000000000000000f, -0.949727773666382f, - -0.897167563438416f, -0.842446029186249f, - -0.785694956779480f, -0.727051079273224f, - -0.666655659675598f, -0.604654192924500f, - -0.541196048259735f, -0.476434230804443f, - -0.410524487495422f, -0.343625843524933f, - -0.275899350643158f, -0.207508206367493f, - -0.138617098331451f, -0.069392144680023f, - 0f, 0.069392263889313f, - 0.138617157936096f, 0.207508206367493f, - 0.275899469852448f, 0.343625962734222f, - 0.410524636507034f, 0.476434201002121f, - 0.541196107864380f, 0.604654192924500f, - 0.666655719280243f, 0.727051138877869f, - 0.785695075988770f, 0.842446029186249f, - 0.897167563438416f, 0.949727773666382f - }; - - private static final int[] bit_rev_tab = {0, 16, 8, 24, 4, 20, 12, 28, 2, 18, 10, 26, 6, 22, 14, 30, 1, 17, 9, 25, 5, 21, 13, 29, 3, 19, 11, 27, 7, 23, 15, 31}; - - // FFT decimation in frequency - // 4*16*2+16=128+16=144 multiplications - // 6*16*2+10*8+4*16*2=192+80+128=400 additions - private static void fft_dif(float[] Real, float[] Imag) { - float w_real, w_imag; // For faster access - float point1_real, point1_imag, point2_real, point2_imag; // For faster access - int j, i, i2, w_index; // Counters - - // First 2 stages of 32 point FFT decimation in frequency - // 4*16*2=64*2=128 multiplications - // 6*16*2=96*2=192 additions - // Stage 1 of 32 point FFT decimation in frequency - for(i = 0; i<16; i++) { - point1_real = Real[i]; - point1_imag = Imag[i]; - i2 = i+16; - point2_real = Real[i2]; - point2_imag = Imag[i2]; - - w_real = w_array_real[i]; - w_imag = w_array_imag[i]; - - // temp1 = x[i] - x[i2] - point1_real -= point2_real; - point1_imag -= point2_imag; - - // x[i1] = x[i] + x[i2] - Real[i] += point2_real; - Imag[i] += point2_imag; - - // x[i2] = (x[i] - x[i2]) * w - Real[i2] = ((point1_real*w_real)-(point1_imag*w_imag)); - Imag[i2] = ((point1_real*w_imag)+(point1_imag*w_real)); - } - // Stage 2 of 32 point FFT decimation in frequency - for(j = 0, w_index = 0; j<8; j++, w_index += 2) { - w_real = w_array_real[w_index]; - w_imag = w_array_imag[w_index]; - - i = j; - point1_real = Real[i]; - point1_imag = Imag[i]; - i2 = i+8; - point2_real = Real[i2]; - point2_imag = Imag[i2]; - - // temp1 = x[i] - x[i2] - point1_real -= point2_real; - point1_imag -= point2_imag; - - // x[i1] = x[i] + x[i2] - Real[i] += point2_real; - Imag[i] += point2_imag; - - // x[i2] = (x[i] - x[i2]) * w - Real[i2] = ((point1_real*w_real)-(point1_imag*w_imag)); - Imag[i2] = ((point1_real*w_imag)+(point1_imag*w_real)); - - i = j+16; - point1_real = Real[i]; - point1_imag = Imag[i]; - i2 = i+8; - point2_real = Real[i2]; - point2_imag = Imag[i2]; - - // temp1 = x[i] - x[i2] - point1_real -= point2_real; - point1_imag -= point2_imag; - - // x[i1] = x[i] + x[i2] - Real[i] += point2_real; - Imag[i] += point2_imag; - - // x[i2] = (x[i] - x[i2]) * w - Real[i2] = ((point1_real*w_real)-(point1_imag*w_imag)); - Imag[i2] = ((point1_real*w_imag)+(point1_imag*w_real)); - } - - // Stage 3 of 32 point FFT decimation in frequency - // 2*4*2=16 multiplications - // 4*4*2+6*4*2=10*8=80 additions - for(i = 0; i k0 */ - if(k2<=k0) { - sbr.N_master = 0; - return 1; - } - - dk = bs_alter_scale ? 2 : 1; - - if(bs_alter_scale) { - nrBands = (((k2-k0+2)>>2)<<1); - } - else { - nrBands = (((k2-k0)>>1)<<1); - } - nrBands = Math.min(nrBands, 63); - if(nrBands<=0) - return 1; - - k2Achieved = k0+nrBands*dk; - k2Diff = k2-k2Achieved; - for(k = 0; k0) ? -1 : 1; - k = ((k2Diff>0) ? (nrBands-1) : 0); - - while(k2Diff!=0) { - vDk[k] -= incr; - k += incr; - k2Diff += incr; - } - } - - sbr.f_master[0] = k0; - for(k = 1; k<=nrBands; k++) { - sbr.f_master[k] = (sbr.f_master[k-1]+vDk[k-1]); - } - - sbr.N_master = nrBands; - sbr.N_master = Math.min(sbr.N_master, 64); - - return 0; - } - - /* - This function finds the number of bands using this formula: - bands * log(a1/a0)/log(2.0) + 0.5 - */ - public static int find_bands(int warp, int bands, int a0, int a1) { - float div = (float) Math.log(2.0); - if(warp!=0) div *= 1.3f; - - return (int) (bands*Math.log((float) a1/(float) a0)/div+0.5); - } - - public static float find_initial_power(int bands, int a0, int a1) { - return (float) Math.pow((float) a1/(float) a0, 1.0f/(float) bands); - } - - /* - version for bs_freq_scale > 0 - */ - public static int master_frequency_table(SBR sbr, int k0, int k2, - int bs_freq_scale, boolean bs_alter_scale) { - int k, bands; - boolean twoRegions; - int k1; - int nrBand0, nrBand1; - int[] vDk0 = new int[64], vDk1 = new int[64]; - int[] vk0 = new int[64], vk1 = new int[64]; - int[] temp1 = {6, 5, 4}; - float q, qk; - int A_1; - - /* mft only defined for k2 > k0 */ - if(k2<=k0) { - sbr.N_master = 0; - return 1; - } - - bands = temp1[bs_freq_scale-1]; - - if((float) k2/(float) k0>2.2449) { - twoRegions = true; - k1 = k0<<1; - } - else { - twoRegions = false; - k1 = k2; - } - - nrBand0 = (2*find_bands(0, bands, k0, k1)); - nrBand0 = Math.min(nrBand0, 63); - if(nrBand0<=0) - return 1; - - q = find_initial_power(nrBand0, k0, k1); - qk = k0; - A_1 = (int) (qk+0.5f); - for(k = 0; k<=nrBand0; k++) { - int A_0 = A_1; - qk *= q; - A_1 = (int) (qk+0.5f); - vDk0[k] = A_1-A_0; - } - - /* needed? */ - //qsort(vDk0, nrBand0, sizeof(vDk0[0]), longcmp); - Arrays.sort(vDk0, 0, nrBand0); - - vk0[0] = k0; - for(k = 1; k<=nrBand0; k++) { - vk0[k] = vk0[k-1]+vDk0[k-1]; - if(vDk0[k-1]==0) - return 1; - } - - if(!twoRegions) { - for(k = 0; k<=nrBand0; k++) { - sbr.f_master[k] = vk0[k]; - } - - sbr.N_master = nrBand0; - sbr.N_master = Math.min(sbr.N_master, 64); - return 0; - } - - nrBand1 = (2*find_bands(1 /* warped */, bands, k1, k2)); - nrBand1 = Math.min(nrBand1, 63); - - q = find_initial_power(nrBand1, k1, k2); - qk = k1; - A_1 = (int) (qk+0.5f); - for(k = 0; k<=nrBand1-1; k++) { - int A_0 = A_1; - qk *= q; - A_1 = (int) (qk+0.5f); - vDk1[k] = A_1-A_0; - } - - if(vDk1[0]>1)+(sbr.N_high-((sbr.N_high>>1)<<1)); - - sbr.n[0] = sbr.N_low; - sbr.n[1] = sbr.N_high; - - for(k = 0; k<=sbr.N_high; k++) { - sbr.f_table_res[HI_RES][k] = sbr.f_master[k+bs_xover_band]; - } - - sbr.M = sbr.f_table_res[HI_RES][sbr.N_high]-sbr.f_table_res[HI_RES][0]; - sbr.kx = sbr.f_table_res[HI_RES][0]; - if(sbr.kx>32) - return 1; - if(sbr.kx+sbr.M>64) - return 1; - - minus = ((sbr.N_high&1)!=0) ? 1 : 0; - - for(k = 0; k<=sbr.N_low; k++) { - if(k==0) - i = 0; - else - i = (2*k-minus); - sbr.f_table_res[LO_RES][k] = sbr.f_table_res[HI_RES][i]; - } - - sbr.N_Q = 0; - if(sbr.bs_noise_bands==0) { - sbr.N_Q = 1; - } - else { - sbr.N_Q = (Math.max(1, find_bands(0, sbr.bs_noise_bands, sbr.kx, k2))); - sbr.N_Q = Math.min(5, sbr.N_Q); - } - - for(k = 0; k<=sbr.N_Q; k++) { - if(k==0) { - i = 0; - } - else { - /* i = i + (int32_t)((sbr.N_low - i)/(sbr.N_Q + 1 - k)); */ - i += (sbr.N_low-i)/(sbr.N_Q+1-k); - } - sbr.f_table_noise[k] = sbr.f_table_res[LO_RES][i]; - } - - /* build table for mapping k to g in hf patching */ - for(k = 0; k<64; k++) { - int g; - for(g = 0; g64000 + {0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16, 20, 24, 28, 33} + }; + + public static final int LO_RES = 0; + + public static final int HI_RES = 1; + /* calculate the start QMF channel for the master frequency band table */ + /* parameter is also called k0 */ + public static int qmf_start_channel(int bs_start_freq, int bs_samplerate_mode, SampleFrequency sample_rate) { + + int startMin = startMinTable[sample_rate.getIndex()]; + int offsetIndex = offsetIndexTable[sample_rate.getIndex()]; + + if (bs_samplerate_mode != 0) { + return startMin + OFFSET[offsetIndex][bs_start_freq]; + } else { + return startMin + OFFSET[6][bs_start_freq]; + } + } + + private static final int[] stopMinTable = {13, 15, 20, 21, 23, + 32, 32, 35, 48, 64, 70, 96}; + private static final int[][] STOP_OFFSET_TABLE = { + {0, 2, 4, 6, 8, 11, 14, 18, 22, 26, 31, 37, 44, 51}, + {0, 2, 4, 6, 8, 11, 14, 18, 22, 26, 31, 36, 42, 49}, + {0, 2, 4, 6, 8, 11, 14, 17, 21, 25, 29, 34, 39, 44}, + {0, 2, 4, 6, 8, 11, 14, 17, 20, 24, 28, 33, 38, 43}, + {0, 2, 4, 6, 8, 11, 14, 17, 20, 24, 28, 32, 36, 41}, + {0, 2, 4, 6, 8, 10, 12, 14, 17, 20, 23, 26, 29, 32}, + {0, 2, 4, 6, 8, 10, 12, 14, 17, 20, 23, 26, 29, 32}, + {0, 1, 3, 5, 7, 9, 11, 13, 15, 17, 20, 23, 26, 29}, + {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, -1, -2, -3, -4, -5, -6, -6, -6, -6, -6, -6, -6, -6}, + {0, -3, -6, -9, -12, -15, -18, -20, -22, -24, -26, -28, -30, -32} + }; + /* calculate the stop QMF channel for the master frequency band table */ + /* parameter is also called k2 */ + + public static int qmf_stop_channel(int bs_stop_freq, SampleFrequency sample_rate, int k0) { + if (bs_stop_freq == 15) { + return Math.min(64, k0 * 3); + } else if (bs_stop_freq == 14) { + return Math.min(64, k0 * 2); + } else { + int stopMin = stopMinTable[sample_rate.getIndex()]; + + /* bs_stop_freq <= 13 */ + return Math.min(64, stopMin + STOP_OFFSET_TABLE[sample_rate.getIndex()][Math.min(bs_stop_freq, 13)]); + } + } + + /* calculate the master frequency table from k0, k2, bs_freq_scale + and bs_alter_scale + + version for bs_freq_scale = 0 + */ + public static int master_frequency_table_fs0(SBR sbr, int k0, int k2, boolean bs_alter_scale) { + int[] vDk = new int[64]; + + /* mft only defined for k2 > k0 */ + if (k2 <= k0) { + sbr.N_master = 0; + return 1; + } + + int dk = bs_alter_scale ? 2 : 1; + + int nrBands = bs_alter_scale ? ((k2 - k0 + 2) >> 2) << 1 : ((k2 - k0) >> 1) << 1; + + nrBands = Math.min(nrBands, 63); + if (nrBands <= 0) + return 1; + + int k2Achieved = k0 + nrBands * dk; + int k2Diff = k2 - k2Achieved; + for (int k = 0; k < nrBands; k++) { + vDk[k] = dk; + } + + if (k2Diff != 0) { + int incr = (k2Diff > 0) ? -1 : 1; + int k = ((k2Diff > 0) ? (nrBands - 1) : 0); + + while (k2Diff != 0) { + vDk[k] -= incr; + k += incr; + k2Diff += incr; + } + } + + sbr.f_master[0] = k0; + for (int k = 1; k <= nrBands; k++) { + sbr.f_master[k] = (sbr.f_master[k - 1] + vDk[k - 1]); + } + + sbr.N_master = nrBands; + sbr.N_master = Math.min(sbr.N_master, 64); + + return 0; + } + + /* + This function finds the number of bands using this formula: + bands * log(a1/a0)/log(2.0) + 0.5 + */ + public static int find_bands(int warp, int bands, int a0, int a1) { + float div = (float) Math.log(2.0); + if (warp != 0) div *= 1.3f; + + return (int) (bands * Math.log((float) a1 / (float) a0) / div + 0.5); + } + + public static float find_initial_power(int bands, int a0, int a1) { + return (float) Math.pow((float) a1 / (float) a0, 1.0f / (float) bands); + } + + /* + version for bs_freq_scale > 0 + */ + public static int master_frequency_table(SBR sbr, int k0, int k2, + int bs_freq_scale, boolean bs_alter_scale) { + int[] vDk0 = new int[64], vDk1 = new int[64]; + int[] vk0 = new int[64], vk1 = new int[64]; + int[] temp1 = {6, 5, 4}; + + /* mft only defined for k2 > k0 */ + if (k2 <= k0) { + sbr.N_master = 0; + return 1; + } + + int bands = temp1[bs_freq_scale - 1]; + + boolean twoRegions; + int k1; + if ((float) k2 / (float) k0 > 2.2449) { + twoRegions = true; + k1 = k0 << 1; + } else { + twoRegions = false; + k1 = k2; + } + + int nrBand0 = (2 * find_bands(0, bands, k0, k1)); + nrBand0 = Math.min(nrBand0, 63); + if (nrBand0 <= 0) + return 1; + + float q = find_initial_power(nrBand0, k0, k1); + float qk = k0; + int A_1 = (int) (qk + 0.5f); + for (int k = 0; k <= nrBand0; k++) { + int A_0 = A_1; + qk *= q; + A_1 = (int) (qk + 0.5f); + vDk0[k] = A_1 - A_0; + } + + /* needed? */ + //qsort(vDk0, nrBand0, sizeof(vDk0[0]), longcmp); + Arrays.sort(vDk0, 0, nrBand0); + + vk0[0] = k0; + for (int k = 1; k <= nrBand0; k++) { + vk0[k] = vk0[k - 1] + vDk0[k - 1]; + if (vDk0[k - 1] == 0) + return 1; + } + + if (!twoRegions) { + for (int k = 0; k <= nrBand0; k++) { + sbr.f_master[k] = vk0[k]; + } + + sbr.N_master = nrBand0; + sbr.N_master = Math.min(sbr.N_master, 64); + return 0; + } + + int nrBand1 = (2 * find_bands(1 /* warped */, bands, k1, k2)); + nrBand1 = Math.min(nrBand1, 63); + + q = find_initial_power(nrBand1, k1, k2); + qk = k1; + A_1 = (int) (qk + 0.5f); + for (int k = 0; k <= nrBand1 - 1; k++) { + int A_0 = A_1; + qk *= q; + A_1 = (int) (qk + 0.5f); + vDk1[k] = A_1 - A_0; + } + + if (vDk1[0] < vDk0[nrBand0 - 1]) { + int change; + + /* needed? */ + //qsort(vDk1, nrBand1+1, sizeof(vDk1[0]), longcmp); + Arrays.sort(vDk1, 0, nrBand1 + 1); + change = vDk0[nrBand0 - 1] - vDk1[0]; + vDk1[0] = vDk0[nrBand0 - 1]; + vDk1[nrBand1 - 1] = vDk1[nrBand1 - 1] - change; + } + + /* needed? */ + //qsort(vDk1, nrBand1, sizeof(vDk1[0]), longcmp); + Arrays.sort(vDk1, 0, nrBand1); + vk1[0] = k1; + for (int k = 1; k <= nrBand1; k++) { + vk1[k] = vk1[k - 1] + vDk1[k - 1]; + if (vDk1[k - 1] == 0) + return 1; + } + + sbr.N_master = nrBand0 + nrBand1; + sbr.N_master = Math.min(sbr.N_master, 64); + for (int k = 0; k <= nrBand0; k++) { + sbr.f_master[k] = vk0[k]; + } + for (int k = nrBand0 + 1; k <= sbr.N_master; k++) { + sbr.f_master[k] = vk1[k - nrBand0]; + } + + return 0; + } + + /* calculate the derived frequency border tables from f_master */ + public static int derived_frequency_table(SBR sbr, int bs_xover_band, int k2) { + + /* The following relation shall be satisfied: bs_xover_band < N_Master */ + if (sbr.N_master <= bs_xover_band) + return 1; + + sbr.N_high = sbr.N_master - bs_xover_band; + sbr.N_low = (sbr.N_high >> 1) + (sbr.N_high - ((sbr.N_high >> 1) << 1)); + + sbr.n[0] = sbr.N_low; + sbr.n[1] = sbr.N_high; + + for (int k = 0; k <= sbr.N_high; k++) { + sbr.f_table_res[HI_RES][k] = sbr.f_master[k + bs_xover_band]; + } + + sbr.M = sbr.f_table_res[HI_RES][sbr.N_high] - sbr.f_table_res[HI_RES][0]; + sbr.kx = sbr.f_table_res[HI_RES][0]; + if (sbr.kx > 32) + return 1; + if (sbr.kx + sbr.M > 64) + return 1; + + int minus = ((sbr.N_high & 1) != 0) ? 1 : 0; + + for (int i = 0, k = 0; k <= sbr.N_low; k++) { + if (k > 0) + i = 2 * k - minus; + + sbr.f_table_res[LO_RES][k] = sbr.f_table_res[HI_RES][i]; + } + + sbr.N_Q = 0; + if (sbr.hdr.bs_noise_bands == 0) { + sbr.N_Q = 1; + } else { + sbr.N_Q = (Math.max(1, find_bands(0, sbr.hdr.bs_noise_bands, sbr.kx, k2))); + sbr.N_Q = Math.min(5, sbr.N_Q); + } + + for (int i = 0, k = 0; k <= sbr.N_Q; k++) { + if (k == 0) { + i = 0; + } else { + /* i = i + (int32_t)((sbr.N_low - i)/(sbr.N_Q + 1 - k)); */ + i += (sbr.N_low - i) / (sbr.N_Q + 1 - k); + } + sbr.f_table_noise[k] = sbr.f_table_res[LO_RES][i]; + } + + /* build table for mapping k to g in hf patching */ + for (int k = 0; k < 64; k++) { + for (int g = 0; g < sbr.N_Q; g++) { + if ((sbr.f_table_noise[g] <= k) + && (k < sbr.f_table_noise[g + 1])) { + sbr.table_map_k_to_g[k] = g; + break; + } + } + } + return 0; + } + + /* TODO: blegh, ugly */ + /* Modified to calculate for all possible bs_limiter_bands always + * This reduces the number calls to this functions needed (now only on + * header reset) + */ + private static final float[] limiterBandsCompare = {1.327152f, + 1.185093f, 1.119872f}; + + public static void limiter_frequency_table(SBR sbr) { + + sbr.f_table_lim[0][0] = sbr.f_table_res[LO_RES][0] - sbr.kx; + sbr.f_table_lim[0][1] = sbr.f_table_res[LO_RES][sbr.N_low] - sbr.kx; + sbr.N_L[0] = 1; + + for (int s = 1; s < 4; s++) { + int[] limTable = new int[100 /*TODO*/]; + int[] patchBorders = new int[64/*??*/]; + + patchBorders[0] = sbr.kx; + for (int k = 1; k <= sbr.noPatches; k++) { + patchBorders[k] = patchBorders[k - 1] + sbr.patchNoSubbands[k - 1]; + } + + for (int k = 0; k <= sbr.N_low; k++) { + limTable[k] = sbr.f_table_res[LO_RES][k]; + } + for (int k = 1; k < sbr.noPatches; k++) { + limTable[k + sbr.N_low] = patchBorders[k]; + } + + /* needed */ + //qsort(limTable, sbr.noPatches+sbr.N_low, sizeof(limTable[0]), longcmp); + Arrays.sort(limTable, 0, sbr.noPatches + sbr.N_low); + int k = 1; + int nrLim = sbr.noPatches + sbr.N_low - 1; + + if (nrLim < 0) // TODO: BIG FAT PROBLEM + return; + + restart: + while (k <= nrLim) { + float nOctaves; + + if (limTable[k - 1] != 0) + nOctaves = (float) limTable[k] / (float) limTable[k - 1]; + else + nOctaves = 0; + + if (nOctaves < limiterBandsCompare[s - 1]) { + if (limTable[k] != limTable[k - 1]) { + boolean found = false, found2 = false; + for (int i = 0; i <= sbr.noPatches; i++) { + if (limTable[k] == patchBorders[i]) + found = true; + } + if (found) { + found2 = false; + for (int i = 0; i <= sbr.noPatches; i++) { + if (limTable[k - 1] == patchBorders[i]) + found2 = true; + } + if (found2) { + k++; + continue; + } else { + /* remove (k-1)th element */ + limTable[k - 1] = sbr.f_table_res[LO_RES][sbr.N_low]; + //qsort(limTable, sbr.noPatches+sbr.N_low, sizeof(limTable[0]), longcmp); + Arrays.sort(limTable, 0, sbr.noPatches + sbr.N_low); + nrLim--; + continue; + } + } + } + /* remove kth element */ + limTable[k] = sbr.f_table_res[LO_RES][sbr.N_low]; + //qsort(limTable, nrLim, sizeof(limTable[0]), longcmp); + Arrays.sort(limTable, 0, nrLim); + nrLim--; + //continue; + } else { + k++; + //continue; + } + } + + sbr.N_L[s] = nrLim; + for (k = 0; k <= nrLim; k++) { + sbr.f_table_lim[s][k] = limTable[k] - sbr.kx; + } + } + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/FilterbankTable.java b/src/main/java/net/sourceforge/jaad/aac/sbr/Filterbank.java similarity index 97% rename from src/main/java/net/sourceforge/jaad/aac/sbr/FilterbankTable.java rename to src/main/java/net/sourceforge/jaad/aac/sbr/Filterbank.java index 38f6a165..df843c9c 100644 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/FilterbankTable.java +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/Filterbank.java @@ -1,8 +1,10 @@ package net.sourceforge.jaad.aac.sbr; -interface FilterbankTable { +import java.util.Arrays; - float[] qmf_c = { +class Filterbank { + + static final float[] qmf_c = { 0f, -0.00055252865047f, -0.00056176925738f, -0.00049475180896f, -0.00048752279712f, -0.00048937912498f, @@ -325,4 +327,15 @@ interface FilterbankTable { -0.00056176925738f, -0.00055252865047f }; -} + protected final float[] v; //double ringbuffer + protected int v_index; //ringbuffer index + + public Filterbank(int channels) { + v = new float[2*channels*20]; + v_index = 0; + } + + public void reset() { + Arrays.fill(v, 0); + } +} \ No newline at end of file diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/FrameClass.java b/src/main/java/net/sourceforge/jaad/aac/sbr/FrameClass.java new file mode 100644 index 00000000..7e4c58d2 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/FrameClass.java @@ -0,0 +1,24 @@ +package net.sourceforge.jaad.aac.sbr; + +import net.sourceforge.jaad.aac.syntax.BitStream; +import net.sourceforge.jaad.aac.tools.Utils; + +import java.util.List; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 28.12.20 + * Time: 09:43 + */ +enum FrameClass { + + FIXFIX, FIXVAR, VARFIX, VARVAR; + + public static final List VALUES = Utils.listOf(values()); + + static FrameClass read(BitStream is) { + int bits = is.readBits(2); + return VALUES.get(bits); + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/HFAdjustment.java b/src/main/java/net/sourceforge/jaad/aac/sbr/HFAdjustment.java index 2d200776..20652cb2 100644 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/HFAdjustment.java +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/HFAdjustment.java @@ -1,427 +1,406 @@ package net.sourceforge.jaad.aac.sbr; -class HFAdjustment implements Constants, NoiseTable { - - private static final float[] h_smooth = { - 0.03183050093751f, 0.11516383427084f, - 0.21816949906249f, 0.30150283239582f, - 0.33333333333333f - }; - private static final int[] phi_re = {1, 0, -1, 0}; - private static final int[] phi_im = {0, 1, 0, -1}; - private static final float[] limGain = {0.5f, 1.0f, 2.0f, 1e10f}; - private static final float EPS = 1e-12f; - private float[][] G_lim_boost = new float[MAX_L_E][MAX_M]; - private float[][] Q_M_lim_boost = new float[MAX_L_E][MAX_M]; - private float[][] S_M_boost = new float[MAX_L_E][MAX_M]; - - public static int hf_adjustment(SBR sbr, float[][][] Xsbr, int ch) { - HFAdjustment adj = new HFAdjustment(); - int ret = 0; - - if(sbr.bs_frame_class[ch]==FIXFIX) { - sbr.l_A[ch] = -1; - } - else if(sbr.bs_frame_class[ch]==VARFIX) { - if(sbr.bs_pointer[ch]>1) - sbr.l_A[ch] = sbr.bs_pointer[ch]-1; - else - sbr.l_A[ch] = -1; - } - else { - if(sbr.bs_pointer[ch]==0) - sbr.l_A[ch] = -1; - else - sbr.l_A[ch] = sbr.L_E[ch]+1-sbr.bs_pointer[ch]; - } - - ret = estimate_current_envelope(sbr, adj, Xsbr, ch); - if(ret>0) return 1; - - calculate_gain(sbr, adj, ch); - - hf_assembly(sbr, adj, Xsbr, ch); - - return 0; - } - - private static int get_S_mapped(SBR sbr, int ch, int l, int current_band) { - if(sbr.f[ch][l]==HI_RES) { - /* in case of using f_table_high we just have 1 to 1 mapping - * from bs_add_harmonic[l][k] - */ - if((l>=sbr.l_A[ch]) - ||(sbr.bs_add_harmonic_prev[ch][current_band]!=0&&sbr.bs_add_harmonic_flag_prev[ch])) { - return sbr.bs_add_harmonic[ch][current_band]; - } - } - else { - int b, lb, ub; - - /* in case of f_table_low we check if any of the HI_RES bands - * within this LO_RES band has bs_add_harmonic[l][k] turned on - * (note that borders in the LO_RES table are also present in - * the HI_RES table) - */ - - /* find first HI_RES band in current LO_RES band */ - lb = 2*current_band-((sbr.N_high&1)!=0 ? 1 : 0); - /* find first HI_RES band in next LO_RES band */ - ub = 2*(current_band+1)-((sbr.N_high&1)!=0 ? 1 : 0); - - /* check all HI_RES bands in current LO_RES band for sinusoid */ - for(b = lb; b=sbr.l_A[ch]) - ||(sbr.bs_add_harmonic_prev[ch][b]!=0&&sbr.bs_add_harmonic_flag_prev[ch])) { - if(sbr.bs_add_harmonic[ch][b]==1) - return 1; - } - } - } - - return 0; - } - - private static int estimate_current_envelope(SBR sbr, HFAdjustment adj, - float[][][] Xsbr, int ch) { - int m, l, j, k, k_l, k_h, p; - float nrg, div; - - if(sbr.bs_interpol_freq) { - for(l = 0; l=5) - ri -= 5; - G_filt += (sbr.G_temp_prev[ch][ri][m]*curr_h_smooth); - Q_filt += (sbr.Q_temp_prev[ch][ri][m]*curr_h_smooth); - } - } - else { - G_filt = sbr.G_temp_prev[ch][sbr.GQ_ringbuf_index[ch]][m]; - Q_filt = sbr.Q_temp_prev[ch][sbr.GQ_ringbuf_index[ch]][m]; - } - - Q_filt = (adj.S_M_boost[l][m]!=0||no_noise) ? 0 : Q_filt; - - /* add noise to the output */ - fIndexNoise = (fIndexNoise+1)&511; - - /* the smoothed gain values are applied to Xsbr */ - /* V is defined, not calculated */ - Xsbr[i+sbr.tHFAdj][m+sbr.kx][0] = G_filt*Xsbr[i+sbr.tHFAdj][m+sbr.kx][0] - +(Q_filt*NOISE_TABLE[fIndexNoise][0]); - if(sbr.bs_extension_id==3&&sbr.bs_extension_data==42) - Xsbr[i+sbr.tHFAdj][m+sbr.kx][0] = 16428320; - Xsbr[i+sbr.tHFAdj][m+sbr.kx][1] = G_filt*Xsbr[i+sbr.tHFAdj][m+sbr.kx][1] - +(Q_filt*NOISE_TABLE[fIndexNoise][1]); - - { - int rev = (((m+sbr.kx)&1)!=0 ? -1 : 1); - psi[0] = adj.S_M_boost[l][m]*phi_re[fIndexSine]; - Xsbr[i+sbr.tHFAdj][m+sbr.kx][0] += psi[0]; - - psi[1] = rev*adj.S_M_boost[l][m]*phi_im[fIndexSine]; - Xsbr[i+sbr.tHFAdj][m+sbr.kx][1] += psi[1]; - } - } - - fIndexSine = (fIndexSine+1)&3; - - /* update the ringbuffer index used for filtering G and Q with h_smooth */ - sbr.GQ_ringbuf_index[ch]++; - if(sbr.GQ_ringbuf_index[ch]>=5) - sbr.GQ_ringbuf_index[ch] = 0; - } - } - - sbr.index_noise_prev[ch] = fIndexNoise; - sbr.psi_is_prev[ch] = fIndexSine; - } - - private static void calculate_gain(SBR sbr, HFAdjustment adj, int ch) { - int m, l, k; - - int current_t_noise_band = 0; - int S_mapped; - - float[] Q_M_lim = new float[MAX_M]; - float[] G_lim = new float[MAX_M]; - float G_boost; - float[] S_M = new float[MAX_M]; - - for(l = 0; lsbr.t_Q[ch][current_t_noise_band+1]) { - current_t_noise_band++; - } - - for(k = 0; k=sbr.l_A[ch]) - ||(sbr.bs_add_harmonic_prev[ch][current_hi_res_band]!=0&&sbr.bs_add_harmonic_flag_prev[ch])) { - /* find the middle subband of the HI_RES frequency band */ - if((m+sbr.kx)==(sbr.f_table_res[HI_RES][current_hi_res_band+1]+sbr.f_table_res[HI_RES][current_hi_res_band])>>1) - S_index_mapped = sbr.bs_add_harmonic[ch][current_hi_res_band]; - } - - - /* Q_div: [0..1] (1/(1+Q_mapped)) */ - Q_div = sbr.Q_div[ch][current_f_noise_band][current_t_noise_band]; - - - /* Q_div2: [0..1] (Q_mapped/(1+Q_mapped)) */ - Q_div2 = sbr.Q_div2[ch][current_f_noise_band][current_t_noise_band]; - - - /* Q_M only depends on E_orig and Q_div2: - * since N_Q <= N_Low <= N_High we only need to recalculate Q_M on - * a change of current noise band - */ - Q_M = sbr.E_orig[ch][current_res_band2][l]*Q_div2; - - - /* S_M only depends on E_orig, Q_div and S_index_mapped: - * S_index_mapped can only be non-zero once per HI_RES band - */ - if(S_index_mapped==0) { - S_M[m] = 0; - } - else { - S_M[m] = sbr.E_orig[ch][current_res_band2][l]*Q_div; - - /* accumulate sinusoid part of the total energy */ - den += S_M[m]; - } - - - /* calculate gain */ - /* ratio of the energy of the original signal and the energy - * of the HF generated signal - */ - G = sbr.E_orig[ch][current_res_band2][l]/(1.0f+sbr.E_curr[ch][m][l]); - if((S_mapped==0)&&(delta==1)) - G *= Q_div; - else if(S_mapped==1) - G *= Q_div2; - - - /* limit the additional noise energy level */ - /* and apply the limiter */ - if(G_max>G) { - Q_M_lim[m] = Q_M; - G_lim[m] = G; - } - else { - Q_M_lim[m] = Q_M*G_max/G; - G_lim[m] = G_max; - } - - - /* accumulate the total energy */ - den += sbr.E_curr[ch][m][l]*G_lim[m]; - if((S_index_mapped==0)&&(l!=sbr.l_A[ch])) - den += Q_M_lim[m]; - } - - /* G_boost: [0..2.51188643] */ - G_boost = (acc1+EPS)/(den+EPS); - G_boost = Math.min(G_boost, 2.51188643f /* 1.584893192 ^ 2 */); - - for(m = ml1; m 1) + ch.l_A = ch.bs_pointer - 1; + else + ch.l_A = -1; + } else { + if (ch.bs_pointer == 0) + ch.l_A = -1; + else + ch.l_A = ch.L_E + 1 - ch.bs_pointer; + } + + adj.estimate_current_envelope(sbr, Xsbr, ch); + + adj.calculate_gain(sbr, ch); + + adj.hf_assembly(sbr, Xsbr, ch); + } + + private static int get_S_mapped(SBR sbr, Channel ch, int l, int current_band) { + if (ch.f[l] == FBT.HI_RES) { + /* in case of using f_table_high we just have 1 to 1 mapping + * from bs_add_harmonic[l][k] + */ + if ((l >= ch.l_A) + || (ch.bs_add_harmonic_prev[current_band] != 0 && ch.bs_add_harmonic_flag_prev)) { + return ch.bs_add_harmonic[current_band]; + } + } else { + int b, lb, ub; + + /* in case of f_table_low we check if any of the HI_RES bands + * within this LO_RES band has bs_add_harmonic[l][k] turned on + * (note that borders in the LO_RES table are also present in + * the HI_RES table) + */ + + /* find first HI_RES band in current LO_RES band */ + lb = 2 * current_band - ((sbr.N_high & 1) != 0 ? 1 : 0); + /* find first HI_RES band in next LO_RES band */ + ub = 2 * (current_band + 1) - ((sbr.N_high & 1) != 0 ? 1 : 0); + + /* check all HI_RES bands in current LO_RES band for sinusoid */ + for (b = lb; b < ub; b++) { + if ((l >= ch.l_A) + || (ch.bs_add_harmonic_prev[b] != 0 && ch.bs_add_harmonic_flag_prev)) { + if (ch.bs_add_harmonic[b] == 1) + return 1; + } + } + } + + return 0; + } + + private void estimate_current_envelope(SBR sbr, float[][][] Xsbr, Channel ch) { + float nrg, div; + + if (sbr.hdr.bs_interpol_freq) { + for (int l = 0; l < ch.L_E; l++) { + int i, l_i, u_i; + + l_i = ch.t_E[l]; + u_i = ch.t_E[l + 1]; + + div = (float) (u_i - l_i); + + if (div == 0) + div = 1; + + for (int m = 0; m < sbr.M; m++) { + nrg = 0; + + for (i = l_i + sbr.tHFAdj; i < u_i + sbr.tHFAdj; i++) { + nrg += (Xsbr[i][m + sbr.kx][0] * Xsbr[i][m + sbr.kx][0]) + + (Xsbr[i][m + sbr.kx][1] * Xsbr[i][m + sbr.kx][1]); + } + + ch.E_curr[m][l] = nrg / div; + } + } + } else { + for (int l = 0; l < ch.L_E; l++) { + for (int p = 0; p < sbr.n[ch.f[l]]; p++) { + int k_l = sbr.f_table_res[ch.f[l]][p]; + int k_h = sbr.f_table_res[ch.f[l]][p + 1]; + + for (int k = k_l; k < k_h; k++) { + nrg = 0; + + int l_i = ch.t_E[l]; + int u_i = ch.t_E[l + 1]; + + div = (float) ((u_i - l_i) * (k_h - k_l)); + + if (div == 0) + div = 1; + + for (int i = l_i + sbr.tHFAdj; i < u_i + sbr.tHFAdj; i++) { + for (int j = k_l; j < k_h; j++) { + nrg += (Xsbr[i][j][0] * Xsbr[i][j][0]) + + (Xsbr[i][j][1] * Xsbr[i][j][1]); + } + } + + ch.E_curr[k - sbr.kx][l] = nrg / div; + } + } + } + } + } + + private void hf_assembly(SBR sbr, float[][][] Xsbr, Channel ch) { + + int fIndexNoise = 0; + int fIndexSine = 0; + boolean assembly_reset = false; + + float G_filt, Q_filt; + + int h_SL; + + if (sbr.reset) { + assembly_reset = true; + fIndexNoise = 0; + } else { + fIndexNoise = ch.index_noise_prev; + } + fIndexSine = ch.psi_is_prev; + + for (int l = 0; l < ch.L_E; l++) { + boolean no_noise = (l == ch.l_A || l == ch.prevEnvIsShort); + + h_SL = (sbr.hdr.bs_smoothing_mode) ? 0 : 4; + h_SL = (no_noise ? 0 : h_SL); + + if (assembly_reset) { + for (int n = 0; n < 4; n++) { + System.arraycopy(this.G_lim_boost[l], 0, ch.G_temp_prev[n], 0, sbr.M); + System.arraycopy(this.Q_M_lim_boost[l], 0, ch.Q_temp_prev[n], 0, sbr.M); + } + /* reset ringbuffer index */ + ch.GQ_ringbuf_index = 4; + assembly_reset = false; + } + + for (int i = ch.t_E[l]; i < ch.t_E[l + 1]; i++) { + /* load new values into ringbuffer */ + System.arraycopy(this.G_lim_boost[l], 0, ch.G_temp_prev[ch.GQ_ringbuf_index], 0, sbr.M); + System.arraycopy(this.Q_M_lim_boost[l], 0, ch.Q_temp_prev[ch.GQ_ringbuf_index], 0, sbr.M); + + for (int m = 0; m < sbr.M; m++) { + float[] psi = new float[2]; + + G_filt = 0; + Q_filt = 0; + + if (h_SL != 0) { + int ri = ch.GQ_ringbuf_index; + for (int n = 0; n <= 4; n++) { + float curr_h_smooth = h_smooth[n]; + ri++; + if (ri >= 5) + ri -= 5; + G_filt += (ch.G_temp_prev[ri][m] * curr_h_smooth); + Q_filt += (ch.Q_temp_prev[ri][m] * curr_h_smooth); + } + } else { + G_filt = ch.G_temp_prev[ch.GQ_ringbuf_index][m]; + Q_filt = ch.Q_temp_prev[ch.GQ_ringbuf_index][m]; + } + + Q_filt = (this.S_M_boost[l][m] != 0 || no_noise) ? 0 : Q_filt; + + /* add noise to the output */ + fIndexNoise = (fIndexNoise + 1) & 511; + + /* the smoothed gain values are applied to Xsbr */ + /* V is defined, not calculated */ + Xsbr[i + sbr.tHFAdj][m + sbr.kx][0] = G_filt * Xsbr[i + sbr.tHFAdj][m + sbr.kx][0] + + (Q_filt * NOISE_TABLE[fIndexNoise][0]); +// if (sbr.bs_extension_id == 3 && sbr.bs_extension_data == 42) +// Xsbr[i + sbr.tHFAdj][m + sbr.kx][0] = 16428320; + Xsbr[i + sbr.tHFAdj][m + sbr.kx][1] = G_filt * Xsbr[i + sbr.tHFAdj][m + sbr.kx][1] + + (Q_filt * NOISE_TABLE[fIndexNoise][1]); + + { + int rev = (((m + sbr.kx) & 1) != 0 ? -1 : 1); + psi[0] = this.S_M_boost[l][m] * phi_re[fIndexSine]; + Xsbr[i + sbr.tHFAdj][m + sbr.kx][0] += psi[0]; + + psi[1] = rev * this.S_M_boost[l][m] * phi_im[fIndexSine]; + Xsbr[i + sbr.tHFAdj][m + sbr.kx][1] += psi[1]; + } + } + + fIndexSine = (fIndexSine + 1) & 3; + + /* update the ringbuffer index used for filtering G and Q with h_smooth */ + ch.GQ_ringbuf_index++; + if (ch.GQ_ringbuf_index >= 5) + ch.GQ_ringbuf_index = 0; + } + } + + ch.index_noise_prev = fIndexNoise; + ch.psi_is_prev = fIndexSine; + } + + private void calculate_gain(SBR sbr, Channel ch) { + + int current_t_noise_band = 0; + int S_mapped; + + float[] Q_M_lim = new float[SBR.MAX_M]; + float[] G_lim = new float[SBR.MAX_M]; + float G_boost; + float[] S_M = new float[SBR.MAX_M]; + + for (int l = 0; l < ch.L_E; l++) { + int current_f_noise_band = 0; + int current_res_band = 0; + int current_res_band2 = 0; + int current_hi_res_band = 0; + + float delta = (l == ch.l_A || l == ch.prevEnvIsShort) ? 0 : 1; + + S_mapped = get_S_mapped(sbr, ch, l, current_res_band2); + + if (ch.t_E[l + 1] > ch.t_Q[current_t_noise_band + 1]) { + current_t_noise_band++; + } + + for (int k = 0; k < sbr.N_L[sbr.hdr.bs_limiter_bands]; k++) { + float G_max; + float den = 0; + float acc1 = 0; + float acc2 = 0; + int current_res_band_size = 0; + + int ml1, ml2; + + ml1 = sbr.f_table_lim[sbr.hdr.bs_limiter_bands][k]; + ml2 = sbr.f_table_lim[sbr.hdr.bs_limiter_bands][k + 1]; + + + /* calculate the accumulated E_orig and E_curr over the limiter band */ + for (int m = ml1; m < ml2; m++) { + if ((m + sbr.kx) == sbr.f_table_res[ch.f[l]][current_res_band + 1]) { + current_res_band++; + } + acc1 += ch.E_orig[current_res_band][l]; + acc2 += ch.E_curr[m][l]; + } + + + /* calculate the maximum gain */ + /* ratio of the energy of the original signal and the energy + * of the HF generated signal + */ + G_max = ((EPS + acc1) / (EPS + acc2)) * limGain[sbr.hdr.bs_limiter_gains]; + G_max = Math.min(G_max, 1e10f); + + for (int m = ml1; m < ml2; m++) { + float Q_M, G; + float Q_div, Q_div2; + int S_index_mapped; + + + /* check if m is on a noise band border */ + if ((m + sbr.kx) == sbr.f_table_noise[current_f_noise_band + 1]) { + /* step to next noise band */ + current_f_noise_band++; + } + + + /* check if m is on a resolution band border */ + if ((m + sbr.kx) == sbr.f_table_res[ch.f[l]][current_res_band2 + 1]) { + /* step to next resolution band */ + current_res_band2++; + + /* if we move to a new resolution band, we should check if we are + * going to add a sinusoid in this band + */ + S_mapped = get_S_mapped(sbr, ch, l, current_res_band2); + } + + + /* check if m is on a HI_RES band border */ + if ((m + sbr.kx) == sbr.f_table_res[FBT.HI_RES][current_hi_res_band + 1]) { + /* step to next HI_RES band */ + current_hi_res_band++; + } + + + /* find S_index_mapped + * S_index_mapped can only be 1 for the m in the middle of the + * current HI_RES band + */ + S_index_mapped = 0; + if ((l >= ch.l_A) + || (ch.bs_add_harmonic_prev[current_hi_res_band] != 0 && ch.bs_add_harmonic_flag_prev)) { + /* find the middle subband of the HI_RES frequency band */ + if ((m + sbr.kx) == (sbr.f_table_res[FBT.HI_RES][current_hi_res_band + 1] + sbr.f_table_res[FBT.HI_RES][current_hi_res_band]) >> 1) + S_index_mapped = ch.bs_add_harmonic[current_hi_res_band]; + } + + + /* Q_div: [0..1] (1/(1+Q_mapped)) */ + Q_div = ch.Q_div[current_f_noise_band][current_t_noise_band]; + + + /* Q_div2: [0..1] (Q_mapped/(1+Q_mapped)) */ + Q_div2 = ch.Q_div2[current_f_noise_band][current_t_noise_band]; + + + /* Q_M only depends on E_orig and Q_div2: + * since N_Q <= N_Low <= N_High we only need to recalculate Q_M on + * a change of current noise band + */ + Q_M = ch.E_orig[current_res_band2][l] * Q_div2; + + + /* S_M only depends on E_orig, Q_div and S_index_mapped: + * S_index_mapped can only be non-zero once per HI_RES band + */ + if (S_index_mapped == 0) { + S_M[m] = 0; + } else { + S_M[m] = ch.E_orig[current_res_band2][l] * Q_div; + + /* accumulate sinusoid part of the total energy */ + den += S_M[m]; + } + + + /* calculate gain */ + /* ratio of the energy of the original signal and the energy + * of the HF generated signal + */ + G = ch.E_orig[current_res_band2][l] / (1.0f + ch.E_curr[m][l]); + if ((S_mapped == 0) && (delta == 1)) + G *= Q_div; + else if (S_mapped == 1) + G *= Q_div2; + + + /* limit the additional noise energy level */ + /* and apply the limiter */ + if (G_max > G) { + Q_M_lim[m] = Q_M; + G_lim[m] = G; + } else { + Q_M_lim[m] = Q_M * G_max / G; + G_lim[m] = G_max; + } + + + /* accumulate the total energy */ + den += ch.E_curr[m][l] * G_lim[m]; + if ((S_index_mapped == 0) && (l != ch.l_A)) + den += Q_M_lim[m]; + } + + /* G_boost: [0..2.51188643] */ + G_boost = (acc1 + EPS) / (den + EPS); + G_boost = Math.min(G_boost, 2.51188643f /* 1.584893192 ^ 2 */); + + for (int m = ml1; m < ml2; m++) { + /* apply compensation to gain, noise floor sf's and sinusoid levels */ + this.G_lim_boost[l][m] = (float) Math.sqrt(G_lim[m] * G_boost); + this.Q_M_lim_boost[l][m] = (float) Math.sqrt(Q_M_lim[m] * G_boost); + + if (S_M[m] != 0) { + this.S_M_boost[l][m] = (float) Math.sqrt(S_M[m] * G_boost); + } else { + this.S_M_boost[l][m] = 0; + } + } + } + } + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/HFGeneration.java b/src/main/java/net/sourceforge/jaad/aac/sbr/HFGeneration.java index 8ec5d44d..2d4c6735 100644 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/HFGeneration.java +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/HFGeneration.java @@ -2,314 +2,309 @@ class HFGeneration { - private static final int[] goalSbTab = {21, 23, 32, 43, 46, 64, 85, 93, 128, 0, 0, 0}; - - private static class acorr_coef { - - float[] r01 = new float[2]; - float[] r02 = new float[2]; - float[] r11 = new float[2]; - float[] r12 = new float[2]; - float[] r22 = new float[2]; - float det; - } - - public static void hf_generation(SBR sbr, float[][][] Xlow, - float[][][] Xhigh, int ch) { - int l, i, x; - float[][] alpha_0 = new float[64][2], alpha_1 = new float[64][2]; - - int offset = sbr.tHFAdj; - int first = sbr.t_E[ch][0]; - int last = sbr.t_E[ch][sbr.L_E[ch]]; - - calc_chirp_factors(sbr, ch); - - if((ch==0)&&(sbr.Reset)) - patch_construction(sbr); - - /* calculate the prediction coefficients */ - - /* actual HF generation */ - for(i = 0; i0) { - float temp1_r, temp2_r, temp3_r; - float temp1_i, temp2_i, temp3_i; - calc_prediction_coef(sbr, Xlow, alpha_0, alpha_1, p); - - a0_r = (alpha_0[p][0]*bw); - a1_r = (alpha_1[p][0]*bw2); - a0_i = (alpha_0[p][1]*bw); - a1_i = (alpha_1[p][1]*bw2); - - temp2_r = (Xlow[first-2+offset][p][0]); - temp3_r = (Xlow[first-1+offset][p][0]); - temp2_i = (Xlow[first-2+offset][p][1]); - temp3_i = (Xlow[first-1+offset][p][1]); - for(l = first; l=16.0f) - ||((alpha_1[k][0]*alpha_1[k][0])+(alpha_1[k][1]*alpha_1[k][1])>=16.0f)) { - alpha_0[k][0] = 0; - alpha_0[k][1] = 0; - alpha_1[k][0] = 0; - alpha_1[k][1] = 0; - } - } - - /* FIXED POINT: bwArray = COEF */ - private static float mapNewBw(int invf_mode, int invf_mode_prev) { - switch(invf_mode) { - case 1: /* LOW */ - - if(invf_mode_prev==0) /* NONE */ - return 0.6f; - else - return 0.75f; - - case 2: /* MID */ - - return 0.9f; - - case 3: /* HIGH */ - - return 0.98f; - - default: /* NONE */ - - if(invf_mode_prev==1) /* LOW */ - return 0.6f; - else - return 0.0f; - } - } - - /* FIXED POINT: bwArray = COEF */ - private static void calc_chirp_factors(SBR sbr, int ch) { - int i; - - for(i = 0; i=0.99609375f) - sbr.bwArray[ch][i] = 0.99609375f; - - sbr.bwArray_prev[ch][i] = sbr.bwArray[ch][i]; - sbr.bs_invf_mode_prev[ch][i] = sbr.bs_invf_mode[ch][i]; - } - } - - private static void patch_construction(SBR sbr) { - int i, k; - int odd, sb; - int msb = sbr.k0; - int usb = sbr.kx; - /* (uint8_t)(2.048e6/sbr.sample_rate + 0.5); */ - int goalSb = goalSbTab[sbr.sample_rate.getIndex()]; - - sbr.noPatches = 0; - - if(goalSb<(sbr.kx+sbr.M)) { - for(i = 0, k = 0; sbr.f_master[i](sbr.k0-1+msb-odd)); - - sbr.patchNoSubbands[sbr.noPatches] = Math.max(sb-usb, 0); - sbr.patchStartSubband[sbr.noPatches] = sbr.k0-odd - -sbr.patchNoSubbands[sbr.noPatches]; - - if(sbr.patchNoSubbands[sbr.noPatches]>0) { - usb = sb; - msb = sb; - sbr.noPatches++; - } - else { - msb = sbr.kx; - } - - if(sbr.f_master[k]-sb<3) - k = sbr.N_master; - } - while(sb!=(sbr.kx+sbr.M)); - - if((sbr.patchNoSubbands[sbr.noPatches-1]<3)&&(sbr.noPatches>1)) { - sbr.noPatches--; - } + private static final int[] goalSbTab = {21, 23, 32, 43, 46, 64, 85, 93, 128, 0, 0, 0}; + + private static class acorr_coef { + + float[] r01 = new float[2]; + float[] r02 = new float[2]; + float[] r11 = new float[2]; + float[] r12 = new float[2]; + float[] r22 = new float[2]; + float det; + } + + public static void hf_generation(float[][][] Xlow, float[][][] Xhigh, Channel ch, boolean reset) { + + float[][] alpha_0 = new float[64][2], alpha_1 = new float[64][2]; + + int offset = ch.sbr.tHFAdj; + int first = ch.t_E[0]; + int last = ch.t_E[ch.L_E]; + + calc_chirp_factors(ch); + + if (reset) + patch_construction(ch.sbr); + + /* calculate the prediction coefficients */ + + /* actual HF generation */ + for (int i = 0; i < ch.sbr.noPatches; i++) { + for (int x = 0; x < ch.sbr.patchNoSubbands[i]; x++) { + float a0_r, a0_i, a1_r, a1_i; + float bw, bw2; + int q, p, k, g; + + /* find the low and high band for patching */ + k = ch.sbr.kx + x; + for (q = 0; q < i; q++) { + k += ch.sbr.patchNoSubbands[q]; + } + p = ch.sbr.patchStartSubband[i] + x; + + g = ch.sbr.table_map_k_to_g[k]; + + bw = ch.bwArray[g]; + bw2 = bw * bw; + + /* do the patching */ + /* with or without filtering */ + if (bw2 > 0) { + float temp1_r, temp2_r, temp3_r; + float temp1_i, temp2_i, temp3_i; + calc_prediction_coef(ch.sbr, Xlow, alpha_0, alpha_1, p); + + a0_r = (alpha_0[p][0] * bw); + a1_r = (alpha_1[p][0] * bw2); + a0_i = (alpha_0[p][1] * bw); + a1_i = (alpha_1[p][1] * bw2); + + temp2_r = (Xlow[first - 2 + offset][p][0]); + temp3_r = (Xlow[first - 1 + offset][p][0]); + temp2_i = (Xlow[first - 2 + offset][p][1]); + temp3_i = (Xlow[first - 1 + offset][p][1]); + for (int l = first; l < last; l++) { + temp1_r = temp2_r; + temp2_r = temp3_r; + temp3_r = (Xlow[l + offset][p][0]); + temp1_i = temp2_i; + temp2_i = temp3_i; + temp3_i = (Xlow[l + offset][p][1]); + + Xhigh[l + offset][k][0] + = temp3_r + + ((a0_r * temp2_r) + - (a0_i * temp2_i) + + (a1_r * temp1_r) + - (a1_i * temp1_i)); + Xhigh[l + offset][k][1] + = temp3_i + + ((a0_i * temp2_r) + + (a0_r * temp2_i) + + (a1_i * temp1_r) + + (a1_r * temp1_i)); + } + } else { + for (int l = first; l < last; l++) { + Xhigh[l + offset][k][0] = Xlow[l + offset][p][0]; + Xhigh[l + offset][k][1] = Xlow[l + offset][p][1]; + } + } + } + } + + if (ch.sbr.reset) { + FBT.limiter_frequency_table(ch.sbr); + } + } + + private static void auto_correlation(SBR sbr, acorr_coef ac, float[][][] buffer, + int bd, int len) { + float r01r = 0, r01i = 0, r02r = 0, r02i = 0, r11r = 0; + float temp1_r, temp1_i, temp2_r, temp2_i, temp3_r, temp3_i, temp4_r, temp4_i, temp5_r, temp5_i; + float rel = 1.0f / (1 + 1e-6f); + int j; + int offset = sbr.tHFAdj; + + temp2_r = buffer[offset - 2][bd][0]; + temp2_i = buffer[offset - 2][bd][1]; + temp3_r = buffer[offset - 1][bd][0]; + temp3_i = buffer[offset - 1][bd][1]; + // Save these because they are needed after loop + temp4_r = temp2_r; + temp4_i = temp2_i; + temp5_r = temp3_r; + temp5_i = temp3_i; + + for (j = offset; j < len + offset; j++) { + temp1_r = temp2_r; // temp1_r = QMF_RE(buffer[j-2][bd]; + temp1_i = temp2_i; // temp1_i = QMF_IM(buffer[j-2][bd]; + temp2_r = temp3_r; // temp2_r = QMF_RE(buffer[j-1][bd]; + temp2_i = temp3_i; // temp2_i = QMF_IM(buffer[j-1][bd]; + temp3_r = buffer[j][bd][0]; + temp3_i = buffer[j][bd][1]; + r01r += temp3_r * temp2_r + temp3_i * temp2_i; + r01i += temp3_i * temp2_r - temp3_r * temp2_i; + r02r += temp3_r * temp1_r + temp3_i * temp1_i; + r02i += temp3_i * temp1_r - temp3_r * temp1_i; + r11r += temp2_r * temp2_r + temp2_i * temp2_i; + } + + // These are actual values in temporary variable at this point + // temp1_r = QMF_RE(buffer[len+offset-1-2][bd]; + // temp1_i = QMF_IM(buffer[len+offset-1-2][bd]; + // temp2_r = QMF_RE(buffer[len+offset-1-1][bd]; + // temp2_i = QMF_IM(buffer[len+offset-1-1][bd]; + // temp3_r = QMF_RE(buffer[len+offset-1][bd]); + // temp3_i = QMF_IM(buffer[len+offset-1][bd]); + // temp4_r = QMF_RE(buffer[offset-2][bd]); + // temp4_i = QMF_IM(buffer[offset-2][bd]); + // temp5_r = QMF_RE(buffer[offset-1][bd]); + // temp5_i = QMF_IM(buffer[offset-1][bd]); + ac.r12[0] = r01r + - (temp3_r * temp2_r + temp3_i * temp2_i) + + (temp5_r * temp4_r + temp5_i * temp4_i); + ac.r12[1] = r01i + - (temp3_i * temp2_r - temp3_r * temp2_i) + + (temp5_i * temp4_r - temp5_r * temp4_i); + ac.r22[0] = r11r + - (temp2_r * temp2_r + temp2_i * temp2_i) + + (temp4_r * temp4_r + temp4_i * temp4_i); + + ac.r01[0] = r01r; + ac.r01[1] = r01i; + ac.r02[0] = r02r; + ac.r02[1] = r02i; + ac.r11[0] = r11r; + + ac.det = (ac.r11[0] * ac.r22[0]) - (rel * ((ac.r12[0] * ac.r12[0]) + (ac.r12[1] * ac.r12[1]))); + } + + /* calculate linear prediction coefficients using the covariance method */ + private static void calc_prediction_coef(SBR sbr, float[][][] Xlow, + float[][] alpha_0, float[][] alpha_1, int k) { + float tmp; + acorr_coef ac = new acorr_coef(); + + auto_correlation(sbr, ac, Xlow, k, sbr.numTimeSlotsRate + 6); + + if (ac.det == 0) { + alpha_1[k][0] = 0; + alpha_1[k][1] = 0; + } else { + tmp = 1.0f / ac.det; + alpha_1[k][0] = ((ac.r01[0] * ac.r12[0]) - (ac.r01[1] * ac.r12[1]) - (ac.r02[0] * ac.r11[0])) * tmp; + alpha_1[k][1] = ((ac.r01[1] * ac.r12[0]) + (ac.r01[0] * ac.r12[1]) - (ac.r02[1] * ac.r11[0])) * tmp; + } + + if (ac.r11[0] == 0) { + alpha_0[k][0] = 0; + alpha_0[k][1] = 0; + } else { + tmp = 1.0f / ac.r11[0]; + alpha_0[k][0] = -(ac.r01[0] + (alpha_1[k][0] * ac.r12[0]) + (alpha_1[k][1] * ac.r12[1])) * tmp; + alpha_0[k][1] = -(ac.r01[1] + (alpha_1[k][1] * ac.r12[0]) - (alpha_1[k][0] * ac.r12[1])) * tmp; + } + + if (((alpha_0[k][0] * alpha_0[k][0]) + (alpha_0[k][1] * alpha_0[k][1]) >= 16.0f) + || ((alpha_1[k][0] * alpha_1[k][0]) + (alpha_1[k][1] * alpha_1[k][1]) >= 16.0f)) { + alpha_0[k][0] = 0; + alpha_0[k][1] = 0; + alpha_1[k][0] = 0; + alpha_1[k][1] = 0; + } + } + + /* FIXED POINT: bwArray = COEF */ + private static float mapNewBw(int invf_mode, int invf_mode_prev) { + switch (invf_mode) { + case 1: /* LOW */ + + if (invf_mode_prev == 0) /* NONE */ + return 0.6f; + else + return 0.75f; + + case 2: /* MID */ + + return 0.9f; + + case 3: /* HIGH */ + + return 0.98f; + + default: /* NONE */ + + if (invf_mode_prev == 1) /* LOW */ + return 0.6f; + else + return 0.0f; + } + } + + /* FIXED POINT: bwArray = COEF */ + private static void calc_chirp_factors(Channel ch) { + int i; + + for (i = 0; i < ch.sbr.N_Q; i++) { + ch.bwArray[i] = mapNewBw(ch.bs_invf_mode[i], ch.bs_invf_mode_prev[i]); + + if (ch.bwArray[i] < ch.bwArray_prev[i]) + ch.bwArray[i] = (ch.bwArray[i] * 0.75f) + (ch.bwArray_prev[i] * 0.25f); + else + ch.bwArray[i] = (ch.bwArray[i] * 0.90625f) + (ch.bwArray_prev[i] * 0.09375f); + + if (ch.bwArray[i] < 0.015625f) + ch.bwArray[i] = 0.0f; + + if (ch.bwArray[i] >= 0.99609375f) + ch.bwArray[i] = 0.99609375f; + + ch.bwArray_prev[i] = ch.bwArray[i]; + ch.bs_invf_mode_prev[i] = ch.bs_invf_mode[i]; + } + } + + private static void patch_construction(SBR sbr) { + int msb = sbr.k0; + int usb = sbr.kx; + /* (uint8_t)(2.048e6/sbr.sample_rate + 0.5); */ + int goalSb = goalSbTab[sbr.sample_rate.getIndex()]; + + sbr.noPatches = 0; + + int k = 0; + if (goalSb < (sbr.kx + sbr.M)) { + for (int i = 0; sbr.f_master[i] < goalSb; i++) { + k = i + 1; + } + } else { + k = sbr.N_master; + } + + if (sbr.N_master == 0) { + sbr.noPatches = 0; + sbr.patchNoSubbands[0] = 0; + sbr.patchStartSubband[0] = 0; + + return; + } + + int sb; + do { + int j = k + 1; + int odd; + + do { + j--; + + sb = sbr.f_master[j]; + odd = (sb - 2 + sbr.k0) % 2; + } + while (sb > (sbr.k0 - 1 + msb - odd)); + + sbr.patchNoSubbands[sbr.noPatches] = Math.max(sb - usb, 0); + sbr.patchStartSubband[sbr.noPatches] = sbr.k0 - odd + - sbr.patchNoSubbands[sbr.noPatches]; + + if (sbr.patchNoSubbands[sbr.noPatches] > 0) { + usb = sb; + msb = sb; + sbr.noPatches++; + } else { + msb = sbr.kx; + } + + if (sbr.f_master[k] - sb < 3) + k = sbr.N_master; + } + while (sb != (sbr.kx + sbr.M)); - sbr.noPatches = Math.min(sbr.noPatches, 5); - } + if ((sbr.patchNoSubbands[sbr.noPatches - 1] < 3) && (sbr.noPatches > 1)) { + sbr.noPatches--; + } + + sbr.noPatches = Math.min(sbr.noPatches, 5); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/Header.java b/src/main/java/net/sourceforge/jaad/aac/sbr/Header.java new file mode 100644 index 00000000..1102705f --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/Header.java @@ -0,0 +1,79 @@ +package net.sourceforge.jaad.aac.sbr; + +import net.sourceforge.jaad.aac.syntax.BitStream; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 13.05.21 + * Time: 18:57 + */ +class Header { + boolean bs_amp_res = true; + int bs_start_freq = 5; + int bs_stop_freq; + int bs_xover_band; + int bs_freq_scale = 2; + boolean bs_alter_scale = true; + int bs_noise_bands = 2; + int bs_limiter_bands = 2; + int bs_limiter_gains = 2; + boolean bs_interpol_freq; + boolean bs_smoothing_mode; + + public void decode(BitStream ld) { + + this.bs_amp_res = ld.readBool(); + + /* bs_start_freq and bs_stop_freq must define a frequency band that does + not exceed 48 channels */ + this.bs_start_freq = ld.readBits(4); + this.bs_stop_freq = ld.readBits(4); + this.bs_xover_band = ld.readBits(3); + + ld.readBits(2); //reserved + + boolean bs_header_extra_1 = ld.readBool(); + boolean bs_header_extra_2 = ld.readBool(); + + if (bs_header_extra_1) { + this.bs_freq_scale = ld.readBits(2); + this.bs_alter_scale = ld.readBool(); + this.bs_noise_bands = ld.readBits(2); + } else { + /* Default values */ + this.bs_freq_scale = 2; + this.bs_alter_scale = true; + this.bs_noise_bands = 2; + } + + if (bs_header_extra_2) { + this.bs_limiter_bands = ld.readBits(2); + this.bs_limiter_gains = ld.readBits(2); + this.bs_interpol_freq = ld.readBool(); + this.bs_smoothing_mode = ld.readBool(); + } else { + /* Default values */ + this.bs_limiter_bands = 2; + this.bs_limiter_gains = 2; + this.bs_interpol_freq = true; + this.bs_smoothing_mode = true; + } + } + + /** + * If ay of these parameters differs the system must is reset. + * + * @param prev header to compare + * @return if any relevant parameter differs or the previous header was null. + */ + public boolean differs(Header prev) { + return prev == null + || this.bs_start_freq != prev.bs_start_freq + || this.bs_stop_freq != prev.bs_stop_freq + || this.bs_freq_scale != prev.bs_freq_scale + || this.bs_alter_scale != prev.bs_alter_scale + || this.bs_xover_band != prev.bs_xover_band + || this.bs_noise_bands != prev.bs_noise_bands; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/HuffmanTables.java b/src/main/java/net/sourceforge/jaad/aac/sbr/HuffmanTables.java index ff908657..e61d3718 100644 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/HuffmanTables.java +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/HuffmanTables.java @@ -2,182 +2,182 @@ interface HuffmanTables { - int[][] T_HUFFMAN_ENV_1_5DB = { - {1, 2}, {-64, -65}, {3, 4}, {-63, -66}, - {5, 6}, {-62, -67}, {7, 8}, {-61, -68}, - {9, 10}, {-60, -69}, {11, 12}, {-59, -70}, - {13, 14}, {-58, -71}, {15, 16}, {-57, -72}, - {17, 18}, {-73, -56}, {19, 21}, {-74, 20}, - {-55, -75}, {22, 26}, {23, 24}, {-54, -76}, - {-77, 25}, {-53, -78}, {27, 34}, {28, 29}, - {-52, -79}, {30, 31}, {-80, -51}, {32, 33}, - {-83, -82}, {-81, -50}, {35, 57}, {36, 40}, - {37, 38}, {-88, -84}, {-48, 39}, {-90, -85}, - {41, 46}, {42, 43}, {-49, -87}, {44, 45}, - {-89, -86}, {-124, -123}, {47, 50}, {48, 49}, - {-122, -121}, {-120, -119}, {51, 54}, {52, 53}, - {-118, -117}, {-116, -115}, {55, 56}, {-114, -113}, - {-112, -111}, {58, 89}, {59, 74}, {60, 67}, - {61, 64}, {62, 63}, {-110, -109}, {-108, -107}, - {65, 66}, {-106, -105}, {-104, -103}, {68, 71}, - {69, 70}, {-102, -101}, {-100, -99}, {72, 73}, - {-98, -97}, {-96, -95}, {75, 82}, {76, 79}, - {77, 78}, {-94, -93}, {-92, -91}, {80, 81}, - {-47, -46}, {-45, -44}, {83, 86}, {84, 85}, - {-43, -42}, {-41, -40}, {87, 88}, {-39, -38}, - {-37, -36}, {90, 105}, {91, 98}, {92, 95}, - {93, 94}, {-35, -34}, {-33, -32}, {96, 97}, - {-31, -30}, {-29, -28}, {99, 102}, {100, 101}, - {-27, -26}, {-25, -24}, {103, 104}, {-23, -22}, - {-21, -20}, {106, 113}, {107, 110}, {108, 109}, - {-19, -18}, {-17, -16}, {111, 112}, {-15, -14}, - {-13, -12}, {114, 117}, {115, 116}, {-11, -10}, - {-9, -8}, {118, 119}, {-7, -6}, {-5, -4} - }; - - int[][] F_HUFFMAN_ENV_1_5DB = { - {1, 2}, {-64, -65}, {3, 4}, {-63, -66}, - {5, 6}, {-67, -62}, {7, 8}, {-68, -61}, - {9, 10}, {-69, -60}, {11, 13}, {-70, 12}, - {-59, -71}, {14, 16}, {-58, 15}, {-72, -57}, - {17, 19}, {-73, 18}, {-56, -74}, {20, 23}, - {21, 22}, {-55, -75}, {-54, -53}, {24, 27}, - {25, 26}, {-76, -52}, {-77, -51}, {28, 31}, - {29, 30}, {-50, -78}, {-79, -49}, {32, 36}, - {33, 34}, {-48, -47}, {-80, 35}, {-81, -82}, - {37, 47}, {38, 41}, {39, 40}, {-83, -46}, - {-45, -84}, {42, 44}, {-85, 43}, {-44, -43}, - {45, 46}, {-88, -87}, {-86, -90}, {48, 66}, - {49, 56}, {50, 53}, {51, 52}, {-92, -42}, - {-41, -39}, {54, 55}, {-105, -89}, {-38, -37}, - {57, 60}, {58, 59}, {-94, -91}, {-40, -36}, - {61, 63}, {-20, 62}, {-115, -110}, {64, 65}, - {-108, -107}, {-101, -97}, {67, 89}, {68, 75}, - {69, 72}, {70, 71}, {-95, -93}, {-34, -27}, - {73, 74}, {-22, -17}, {-16, -124}, {76, 82}, - {77, 79}, {-123, 78}, {-122, -121}, {80, 81}, - {-120, -119}, {-118, -117}, {83, 86}, {84, 85}, - {-116, -114}, {-113, -112}, {87, 88}, {-111, -109}, - {-106, -104}, {90, 105}, {91, 98}, {92, 95}, - {93, 94}, {-103, -102}, {-100, -99}, {96, 97}, - {-98, -96}, {-35, -33}, {99, 102}, {100, 101}, - {-32, -31}, {-30, -29}, {103, 104}, {-28, -26}, - {-25, -24}, {106, 113}, {107, 110}, {108, 109}, - {-23, -21}, {-19, -18}, {111, 112}, {-15, -14}, - {-13, -12}, {114, 117}, {115, 116}, {-11, -10}, - {-9, -8}, {118, 119}, {-7, -6}, {-5, -4} - }; + int[][] T_HUFFMAN_ENV_1_5DB = { + {1, 2}, {-64, -65}, {3, 4}, {-63, -66}, + {5, 6}, {-62, -67}, {7, 8}, {-61, -68}, + {9, 10}, {-60, -69}, {11, 12}, {-59, -70}, + {13, 14}, {-58, -71}, {15, 16}, {-57, -72}, + {17, 18}, {-73, -56}, {19, 21}, {-74, 20}, + {-55, -75}, {22, 26}, {23, 24}, {-54, -76}, + {-77, 25}, {-53, -78}, {27, 34}, {28, 29}, + {-52, -79}, {30, 31}, {-80, -51}, {32, 33}, + {-83, -82}, {-81, -50}, {35, 57}, {36, 40}, + {37, 38}, {-88, -84}, {-48, 39}, {-90, -85}, + {41, 46}, {42, 43}, {-49, -87}, {44, 45}, + {-89, -86}, {-124, -123}, {47, 50}, {48, 49}, + {-122, -121}, {-120, -119}, {51, 54}, {52, 53}, + {-118, -117}, {-116, -115}, {55, 56}, {-114, -113}, + {-112, -111}, {58, 89}, {59, 74}, {60, 67}, + {61, 64}, {62, 63}, {-110, -109}, {-108, -107}, + {65, 66}, {-106, -105}, {-104, -103}, {68, 71}, + {69, 70}, {-102, -101}, {-100, -99}, {72, 73}, + {-98, -97}, {-96, -95}, {75, 82}, {76, 79}, + {77, 78}, {-94, -93}, {-92, -91}, {80, 81}, + {-47, -46}, {-45, -44}, {83, 86}, {84, 85}, + {-43, -42}, {-41, -40}, {87, 88}, {-39, -38}, + {-37, -36}, {90, 105}, {91, 98}, {92, 95}, + {93, 94}, {-35, -34}, {-33, -32}, {96, 97}, + {-31, -30}, {-29, -28}, {99, 102}, {100, 101}, + {-27, -26}, {-25, -24}, {103, 104}, {-23, -22}, + {-21, -20}, {106, 113}, {107, 110}, {108, 109}, + {-19, -18}, {-17, -16}, {111, 112}, {-15, -14}, + {-13, -12}, {114, 117}, {115, 116}, {-11, -10}, + {-9, -8}, {118, 119}, {-7, -6}, {-5, -4} + }; - int[][] T_HUFFMAN_ENV_BAL_1_5DB = { - {-64, 1}, {-63, 2}, {-65, 3}, {-62, 4}, - {-66, 5}, {-61, 6}, {-67, 7}, {-60, 8}, - {-68, 9}, {10, 11}, {-69, -59}, {12, 13}, - {-70, -58}, {14, 28}, {15, 21}, {16, 18}, - {-57, 17}, {-71, -56}, {19, 20}, {-88, -87}, - {-86, -85}, {22, 25}, {23, 24}, {-84, -83}, - {-82, -81}, {26, 27}, {-80, -79}, {-78, -77}, - {29, 36}, {30, 33}, {31, 32}, {-76, -75}, - {-74, -73}, {34, 35}, {-72, -55}, {-54, -53}, - {37, 41}, {38, 39}, {-52, -51}, {-50, 40}, - {-49, -48}, {42, 45}, {43, 44}, {-47, -46}, - {-45, -44}, {46, 47}, {-43, -42}, {-41, -40} - }; + int[][] F_HUFFMAN_ENV_1_5DB = { + {1, 2}, {-64, -65}, {3, 4}, {-63, -66}, + {5, 6}, {-67, -62}, {7, 8}, {-68, -61}, + {9, 10}, {-69, -60}, {11, 13}, {-70, 12}, + {-59, -71}, {14, 16}, {-58, 15}, {-72, -57}, + {17, 19}, {-73, 18}, {-56, -74}, {20, 23}, + {21, 22}, {-55, -75}, {-54, -53}, {24, 27}, + {25, 26}, {-76, -52}, {-77, -51}, {28, 31}, + {29, 30}, {-50, -78}, {-79, -49}, {32, 36}, + {33, 34}, {-48, -47}, {-80, 35}, {-81, -82}, + {37, 47}, {38, 41}, {39, 40}, {-83, -46}, + {-45, -84}, {42, 44}, {-85, 43}, {-44, -43}, + {45, 46}, {-88, -87}, {-86, -90}, {48, 66}, + {49, 56}, {50, 53}, {51, 52}, {-92, -42}, + {-41, -39}, {54, 55}, {-105, -89}, {-38, -37}, + {57, 60}, {58, 59}, {-94, -91}, {-40, -36}, + {61, 63}, {-20, 62}, {-115, -110}, {64, 65}, + {-108, -107}, {-101, -97}, {67, 89}, {68, 75}, + {69, 72}, {70, 71}, {-95, -93}, {-34, -27}, + {73, 74}, {-22, -17}, {-16, -124}, {76, 82}, + {77, 79}, {-123, 78}, {-122, -121}, {80, 81}, + {-120, -119}, {-118, -117}, {83, 86}, {84, 85}, + {-116, -114}, {-113, -112}, {87, 88}, {-111, -109}, + {-106, -104}, {90, 105}, {91, 98}, {92, 95}, + {93, 94}, {-103, -102}, {-100, -99}, {96, 97}, + {-98, -96}, {-35, -33}, {99, 102}, {100, 101}, + {-32, -31}, {-30, -29}, {103, 104}, {-28, -26}, + {-25, -24}, {106, 113}, {107, 110}, {108, 109}, + {-23, -21}, {-19, -18}, {111, 112}, {-15, -14}, + {-13, -12}, {114, 117}, {115, 116}, {-11, -10}, + {-9, -8}, {118, 119}, {-7, -6}, {-5, -4} + }; - int[][] F_HUFFMAN_ENV_BAL_1_5DB = { - {-64, 1}, {-65, 2}, {-63, 3}, {-66, 4}, - {-62, 5}, {-61, 6}, {-67, 7}, {-68, 8}, - {-60, 9}, {10, 11}, {-69, -59}, {-70, 12}, - {-58, 13}, {14, 17}, {-71, 15}, {-57, 16}, - {-56, -73}, {18, 32}, {19, 25}, {20, 22}, - {-72, 21}, {-88, -87}, {23, 24}, {-86, -85}, - {-84, -83}, {26, 29}, {27, 28}, {-82, -81}, - {-80, -79}, {30, 31}, {-78, -77}, {-76, -75}, - {33, 40}, {34, 37}, {35, 36}, {-74, -55}, - {-54, -53}, {38, 39}, {-52, -51}, {-50, -49}, - {41, 44}, {42, 43}, {-48, -47}, {-46, -45}, - {45, 46}, {-44, -43}, {-42, 47}, {-41, -40} - }; + int[][] T_HUFFMAN_ENV_BAL_1_5DB = { + {-64, 1}, {-63, 2}, {-65, 3}, {-62, 4}, + {-66, 5}, {-61, 6}, {-67, 7}, {-60, 8}, + {-68, 9}, {10, 11}, {-69, -59}, {12, 13}, + {-70, -58}, {14, 28}, {15, 21}, {16, 18}, + {-57, 17}, {-71, -56}, {19, 20}, {-88, -87}, + {-86, -85}, {22, 25}, {23, 24}, {-84, -83}, + {-82, -81}, {26, 27}, {-80, -79}, {-78, -77}, + {29, 36}, {30, 33}, {31, 32}, {-76, -75}, + {-74, -73}, {34, 35}, {-72, -55}, {-54, -53}, + {37, 41}, {38, 39}, {-52, -51}, {-50, 40}, + {-49, -48}, {42, 45}, {43, 44}, {-47, -46}, + {-45, -44}, {46, 47}, {-43, -42}, {-41, -40} + }; - int[][] T_HUFFMAN_ENV_3_0DB = { - {-64, 1}, {-65, 2}, {-63, 3}, {-66, 4}, - {-62, 5}, {-67, 6}, {-61, 7}, {-68, 8}, - {-60, 9}, {10, 11}, {-69, -59}, {12, 14}, - {-70, 13}, {-71, -58}, {15, 18}, {16, 17}, - {-72, -57}, {-73, -74}, {19, 22}, {-56, 20}, - {-55, 21}, {-54, -77}, {23, 31}, {24, 25}, - {-75, -76}, {26, 27}, {-78, -53}, {28, 29}, - {-52, -95}, {-94, 30}, {-93, -92}, {32, 47}, - {33, 40}, {34, 37}, {35, 36}, {-91, -90}, - {-89, -88}, {38, 39}, {-87, -86}, {-85, -84}, - {41, 44}, {42, 43}, {-83, -82}, {-81, -80}, - {45, 46}, {-79, -51}, {-50, -49}, {48, 55}, - {49, 52}, {50, 51}, {-48, -47}, {-46, -45}, - {53, 54}, {-44, -43}, {-42, -41}, {56, 59}, - {57, 58}, {-40, -39}, {-38, -37}, {60, 61}, - {-36, -35}, {-34, -33} - }; + int[][] F_HUFFMAN_ENV_BAL_1_5DB = { + {-64, 1}, {-65, 2}, {-63, 3}, {-66, 4}, + {-62, 5}, {-61, 6}, {-67, 7}, {-68, 8}, + {-60, 9}, {10, 11}, {-69, -59}, {-70, 12}, + {-58, 13}, {14, 17}, {-71, 15}, {-57, 16}, + {-56, -73}, {18, 32}, {19, 25}, {20, 22}, + {-72, 21}, {-88, -87}, {23, 24}, {-86, -85}, + {-84, -83}, {26, 29}, {27, 28}, {-82, -81}, + {-80, -79}, {30, 31}, {-78, -77}, {-76, -75}, + {33, 40}, {34, 37}, {35, 36}, {-74, -55}, + {-54, -53}, {38, 39}, {-52, -51}, {-50, -49}, + {41, 44}, {42, 43}, {-48, -47}, {-46, -45}, + {45, 46}, {-44, -43}, {-42, 47}, {-41, -40} + }; - int[][] F_HUFFMAN_ENV_3_0DB = { - {-64, 1}, {-65, 2}, {-63, 3}, {-66, 4}, - {-62, 5}, {-67, 6}, {7, 8}, {-61, -68}, - {9, 10}, {-60, -69}, {11, 12}, {-59, -70}, - {13, 14}, {-58, -71}, {15, 16}, {-57, -72}, - {17, 19}, {-56, 18}, {-55, -73}, {20, 24}, - {21, 22}, {-74, -54}, {-53, 23}, {-75, -76}, - {25, 30}, {26, 27}, {-52, -51}, {28, 29}, - {-77, -79}, {-50, -49}, {31, 39}, {32, 35}, - {33, 34}, {-78, -46}, {-82, -88}, {36, 37}, - {-83, -48}, {-47, 38}, {-86, -85}, {40, 47}, - {41, 44}, {42, 43}, {-80, -44}, {-43, -42}, - {45, 46}, {-39, -87}, {-84, -40}, {48, 55}, - {49, 52}, {50, 51}, {-95, -94}, {-93, -92}, - {53, 54}, {-91, -90}, {-89, -81}, {56, 59}, - {57, 58}, {-45, -41}, {-38, -37}, {60, 61}, - {-36, -35}, {-34, -33} - }; + int[][] T_HUFFMAN_ENV_3_0DB = { + {-64, 1}, {-65, 2}, {-63, 3}, {-66, 4}, + {-62, 5}, {-67, 6}, {-61, 7}, {-68, 8}, + {-60, 9}, {10, 11}, {-69, -59}, {12, 14}, + {-70, 13}, {-71, -58}, {15, 18}, {16, 17}, + {-72, -57}, {-73, -74}, {19, 22}, {-56, 20}, + {-55, 21}, {-54, -77}, {23, 31}, {24, 25}, + {-75, -76}, {26, 27}, {-78, -53}, {28, 29}, + {-52, -95}, {-94, 30}, {-93, -92}, {32, 47}, + {33, 40}, {34, 37}, {35, 36}, {-91, -90}, + {-89, -88}, {38, 39}, {-87, -86}, {-85, -84}, + {41, 44}, {42, 43}, {-83, -82}, {-81, -80}, + {45, 46}, {-79, -51}, {-50, -49}, {48, 55}, + {49, 52}, {50, 51}, {-48, -47}, {-46, -45}, + {53, 54}, {-44, -43}, {-42, -41}, {56, 59}, + {57, 58}, {-40, -39}, {-38, -37}, {60, 61}, + {-36, -35}, {-34, -33} + }; - int[][] T_HUFFMAN_ENV_BAL_3_0DB = { - {-64, 1}, {-63, 2}, {-65, 3}, {-66, 4}, - {-62, 5}, {-61, 6}, {-67, 7}, {-68, 8}, - {-60, 9}, {10, 16}, {11, 13}, {-69, 12}, - {-76, -75}, {14, 15}, {-74, -73}, {-72, -71}, - {17, 20}, {18, 19}, {-70, -59}, {-58, -57}, - {21, 22}, {-56, -55}, {-54, 23}, {-53, -52} - }; - int[][] F_HUFFMAN_ENV_BAL_3_0DB = { - {-64, 1}, {-65, 2}, {-63, 3}, {-66, 4}, - {-62, 5}, {-61, 6}, {-67, 7}, {-68, 8}, - {-60, 9}, {10, 13}, {-69, 11}, {-59, 12}, - {-58, -76}, {14, 17}, {15, 16}, {-75, -74}, - {-73, -72}, {18, 21}, {19, 20}, {-71, -70}, - {-57, -56}, {22, 23}, {-55, -54}, {-53, -52} - }; + int[][] F_HUFFMAN_ENV_3_0DB = { + {-64, 1}, {-65, 2}, {-63, 3}, {-66, 4}, + {-62, 5}, {-67, 6}, {7, 8}, {-61, -68}, + {9, 10}, {-60, -69}, {11, 12}, {-59, -70}, + {13, 14}, {-58, -71}, {15, 16}, {-57, -72}, + {17, 19}, {-56, 18}, {-55, -73}, {20, 24}, + {21, 22}, {-74, -54}, {-53, 23}, {-75, -76}, + {25, 30}, {26, 27}, {-52, -51}, {28, 29}, + {-77, -79}, {-50, -49}, {31, 39}, {32, 35}, + {33, 34}, {-78, -46}, {-82, -88}, {36, 37}, + {-83, -48}, {-47, 38}, {-86, -85}, {40, 47}, + {41, 44}, {42, 43}, {-80, -44}, {-43, -42}, + {45, 46}, {-39, -87}, {-84, -40}, {48, 55}, + {49, 52}, {50, 51}, {-95, -94}, {-93, -92}, + {53, 54}, {-91, -90}, {-89, -81}, {56, 59}, + {57, 58}, {-45, -41}, {-38, -37}, {60, 61}, + {-36, -35}, {-34, -33} + }; - int[][] T_HUFFMAN_NOISE_3_0DB = { - {-64, 1}, {-63, 2}, {-65, 3}, {-66, 4}, - {-62, 5}, {-67, 6}, {7, 8}, {-61, -68}, - {9, 30}, {10, 15}, {-60, 11}, {-69, 12}, - {13, 14}, {-59, -53}, {-95, -94}, {16, 23}, - {17, 20}, {18, 19}, {-93, -92}, {-91, -90}, - {21, 22}, {-89, -88}, {-87, -86}, {24, 27}, - {25, 26}, {-85, -84}, {-83, -82}, {28, 29}, - {-81, -80}, {-79, -78}, {31, 46}, {32, 39}, - {33, 36}, {34, 35}, {-77, -76}, {-75, -74}, - {37, 38}, {-73, -72}, {-71, -70}, {40, 43}, - {41, 42}, {-58, -57}, {-56, -55}, {44, 45}, - {-54, -52}, {-51, -50}, {47, 54}, {48, 51}, - {49, 50}, {-49, -48}, {-47, -46}, {52, 53}, - {-45, -44}, {-43, -42}, {55, 58}, {56, 57}, - {-41, -40}, {-39, -38}, {59, 60}, {-37, -36}, - {-35, 61}, {-34, -33} - }; + int[][] T_HUFFMAN_ENV_BAL_3_0DB = { + {-64, 1}, {-63, 2}, {-65, 3}, {-66, 4}, + {-62, 5}, {-61, 6}, {-67, 7}, {-68, 8}, + {-60, 9}, {10, 16}, {11, 13}, {-69, 12}, + {-76, -75}, {14, 15}, {-74, -73}, {-72, -71}, + {17, 20}, {18, 19}, {-70, -59}, {-58, -57}, + {21, 22}, {-56, -55}, {-54, 23}, {-53, -52} + }; + int[][] F_HUFFMAN_ENV_BAL_3_0DB = { + {-64, 1}, {-65, 2}, {-63, 3}, {-66, 4}, + {-62, 5}, {-61, 6}, {-67, 7}, {-68, 8}, + {-60, 9}, {10, 13}, {-69, 11}, {-59, 12}, + {-58, -76}, {14, 17}, {15, 16}, {-75, -74}, + {-73, -72}, {18, 21}, {19, 20}, {-71, -70}, + {-57, -56}, {22, 23}, {-55, -54}, {-53, -52} + }; - int[][] T_HUFFMAN_NOISE_BAL_3_0DB = { - {-64, 1}, {-65, 2}, {-63, 3}, {4, 9}, - {-66, 5}, {-62, 6}, {7, 8}, {-76, -75}, - {-74, -73}, {10, 17}, {11, 14}, {12, 13}, - {-72, -71}, {-70, -69}, {15, 16}, {-68, -67}, - {-61, -60}, {18, 21}, {19, 20}, {-59, -58}, - {-57, -56}, {22, 23}, {-55, -54}, {-53, -52} - }; + int[][] T_HUFFMAN_NOISE_3_0DB = { + {-64, 1}, {-63, 2}, {-65, 3}, {-66, 4}, + {-62, 5}, {-67, 6}, {7, 8}, {-61, -68}, + {9, 30}, {10, 15}, {-60, 11}, {-69, 12}, + {13, 14}, {-59, -53}, {-95, -94}, {16, 23}, + {17, 20}, {18, 19}, {-93, -92}, {-91, -90}, + {21, 22}, {-89, -88}, {-87, -86}, {24, 27}, + {25, 26}, {-85, -84}, {-83, -82}, {28, 29}, + {-81, -80}, {-79, -78}, {31, 46}, {32, 39}, + {33, 36}, {34, 35}, {-77, -76}, {-75, -74}, + {37, 38}, {-73, -72}, {-71, -70}, {40, 43}, + {41, 42}, {-58, -57}, {-56, -55}, {44, 45}, + {-54, -52}, {-51, -50}, {47, 54}, {48, 51}, + {49, 50}, {-49, -48}, {-47, -46}, {52, 53}, + {-45, -44}, {-43, -42}, {55, 58}, {56, 57}, + {-41, -40}, {-39, -38}, {59, 60}, {-37, -36}, + {-35, 61}, {-34, -33} + }; + + int[][] T_HUFFMAN_NOISE_BAL_3_0DB = { + {-64, 1}, {-65, 2}, {-63, 3}, {4, 9}, + {-66, 5}, {-62, 6}, {7, 8}, {-76, -75}, + {-74, -73}, {10, 17}, {11, 14}, {12, 13}, + {-72, -71}, {-70, -69}, {15, 16}, {-68, -67}, + {-61, -60}, {18, 21}, {19, 20}, {-59, -58}, + {-57, -56}, {22, 23}, {-55, -54}, {-53, -52} + }; } diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/NoiseEnvelope.java b/src/main/java/net/sourceforge/jaad/aac/sbr/NoiseEnvelope.java index 41200912..7b613186 100644 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/NoiseEnvelope.java +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/NoiseEnvelope.java @@ -1,438 +1,340 @@ package net.sourceforge.jaad.aac.sbr; -class NoiseEnvelope implements Constants { - - private static final float[] E_deq_tab = { - 64.0f, 128.0f, 256.0f, 512.0f, 1024.0f, 2048.0f, 4096.0f, 8192.0f, - 16384.0f, 32768.0f, 65536.0f, 131072.0f, 262144.0f, 524288.0f, 1.04858E+006f, 2.09715E+006f, - 4.1943E+006f, 8.38861E+006f, 1.67772E+007f, 3.35544E+007f, 6.71089E+007f, 1.34218E+008f, 2.68435E+008f, 5.36871E+008f, - 1.07374E+009f, 2.14748E+009f, 4.29497E+009f, 8.58993E+009f, 1.71799E+010f, 3.43597E+010f, 6.87195E+010f, 1.37439E+011f, - 2.74878E+011f, 5.49756E+011f, 1.09951E+012f, 2.19902E+012f, 4.39805E+012f, 8.79609E+012f, 1.75922E+013f, 3.51844E+013f, - 7.03687E+013f, 1.40737E+014f, 2.81475E+014f, 5.6295E+014f, 1.1259E+015f, 2.2518E+015f, 4.5036E+015f, 9.0072E+015f, - 1.80144E+016f, 3.60288E+016f, 7.20576E+016f, 1.44115E+017f, 2.8823E+017f, 5.76461E+017f, 1.15292E+018f, 2.30584E+018f, - 4.61169E+018f, 9.22337E+018f, 1.84467E+019f, 3.68935E+019f, 7.3787E+019f, 1.47574E+020f, 2.95148E+020f, 5.90296E+020f - }; - - /* table for Q_div2 values when no coupling */ - private static final float[] Q_div2_tab = { - 0.984615f, 0.969697f, - 0.941176f, 0.888889f, - 0.8f, 0.666667f, - 0.5f, 0.333333f, - 0.2f, 0.111111f, - 0.0588235f, 0.030303f, - 0.0153846f, 0.00775194f, - 0.00389105f, 0.00194932f, - 0.00097561f, 0.000488043f, - 0.000244081f, 0.000122055f, - 6.10314E-005f, 3.05166E-005f, - 1.52586E-005f, 7.62934E-006f, - 3.81468E-006f, 1.90734E-006f, - 9.53673E-007f, 4.76837E-007f, - 2.38419E-007f, 1.19209E-007f, - 5.96046E-008f}; - - private static final float[][] Q_div2_tab_left = { - {0.0302959f, 0.111015f, 0.332468f, 0.663212f, 0.882759f, 0.962406f, 0.984615f, 0.990329f, 0.991768f, 0.992128f, 0.992218f, 0.992241f, 0.992246f}, - {0.0153809f, 0.0587695f, 0.199377f, 0.496124f, 0.790123f, 0.927536f, 0.969697f, 0.980843f, 0.98367f, 0.984379f, 0.984556f, 0.984601f, 0.984612f}, - {0.00775006f, 0.0302744f, 0.110727f, 0.329897f, 0.653061f, 0.864865f, 0.941176f, 0.962406f, 0.967864f, 0.969238f, 0.969582f, 0.969668f, 0.96969f}, - {0.0038901f, 0.0153698f, 0.0586081f, 0.197531f, 0.484848f, 0.761905f, 0.888889f, 0.927536f, 0.937729f, 0.940312f, 0.94096f, 0.941122f, 0.941163f}, - {0.00194884f, 0.00774443f, 0.0301887f, 0.109589f, 0.32f, 0.615385f, 0.8f, 0.864865f, 0.882759f, 0.887348f, 0.888503f, 0.888792f, 0.888865f}, - {0.000975372f, 0.00388727f, 0.0153257f, 0.057971f, 0.190476f, 0.444444f, 0.666667f, 0.761905f, 0.790123f, 0.797508f, 0.799375f, 0.799844f, 0.799961f}, - {0.000487924f, 0.00194742f, 0.00772201f, 0.0298507f, 0.105263f, 0.285714f, 0.5f, 0.615385f, 0.653061f, 0.663212f, 0.6658f, 0.66645f, 0.666612f}, - {0.000244021f, 0.000974659f, 0.00387597f, 0.0151515f, 0.0555556f, 0.166667f, 0.333333f, 0.444444f, 0.484848f, 0.496124f, 0.499025f, 0.499756f, 0.499939f}, - {0.000122026f, 0.000487567f, 0.00194175f, 0.00763359f, 0.0285714f, 0.0909091f, 0.2f, 0.285714f, 0.32f, 0.329897f, 0.332468f, 0.333116f, 0.333279f}, - {6.10165E-005f, 0.000243843f, 0.000971817f, 0.00383142f, 0.0144928f, 0.047619f, 0.111111f, 0.166667f, 0.190476f, 0.197531f, 0.199377f, 0.199844f, 0.199961f}, - {3.05092E-005f, 0.000121936f, 0.000486145f, 0.00191939f, 0.00729927f, 0.0243902f, 0.0588235f, 0.0909091f, 0.105263f, 0.109589f, 0.110727f, 0.111015f, 0.111087f}, - {1.52548E-005f, 6.09719E-005f, 0.000243132f, 0.000960615f, 0.003663f, 0.0123457f, 0.030303f, 0.047619f, 0.0555556f, 0.057971f, 0.0586081f, 0.0587695f, 0.05881f}, - {7.62747E-006f, 3.04869E-005f, 0.000121581f, 0.000480538f, 0.00183486f, 0.00621118f, 0.0153846f, 0.0243902f, 0.0285714f, 0.0298507f, 0.0301887f, 0.0302744f, 0.0302959f}, - {3.81375E-006f, 1.52437E-005f, 6.0794E-005f, 0.000240327f, 0.000918274f, 0.00311526f, 0.00775194f, 0.0123457f, 0.0144928f, 0.0151515f, 0.0153257f, 0.0153698f, 0.0153809f}, - {1.90688E-006f, 7.62189E-006f, 3.03979E-005f, 0.000120178f, 0.000459348f, 0.00156006f, 0.00389105f, 0.00621118f, 0.00729927f, 0.00763359f, 0.00772201f, 0.00774443f, 0.00775006f}, - {9.53441E-007f, 3.81096E-006f, 1.51992E-005f, 6.00925E-005f, 0.000229727f, 0.00078064f, 0.00194932f, 0.00311526f, 0.003663f, 0.00383142f, 0.00387597f, 0.00388727f, 0.0038901f}, - {4.76721E-007f, 1.90548E-006f, 7.59965E-006f, 3.00472E-005f, 0.000114877f, 0.000390472f, 0.00097561f, 0.00156006f, 0.00183486f, 0.00191939f, 0.00194175f, 0.00194742f, 0.00194884f}, - {2.3836E-007f, 9.52743E-007f, 3.79984E-006f, 1.50238E-005f, 5.74416E-005f, 0.000195274f, 0.000488043f, 0.00078064f, 0.000918274f, 0.000960615f, 0.000971817f, 0.000974659f, 0.000975372f}, - {1.1918E-007f, 4.76372E-007f, 1.89992E-006f, 7.51196E-006f, 2.87216E-005f, 9.76467E-005f, 0.000244081f, 0.000390472f, 0.000459348f, 0.000480538f, 0.000486145f, 0.000487567f, 0.000487924f}, - {5.95901E-008f, 2.38186E-007f, 9.49963E-007f, 3.756E-006f, 1.4361E-005f, 4.88257E-005f, 0.000122055f, 0.000195274f, 0.000229727f, 0.000240327f, 0.000243132f, 0.000243843f, 0.000244021f}, - {2.9795E-008f, 1.19093E-007f, 4.74982E-007f, 1.878E-006f, 7.18056E-006f, 2.44135E-005f, 6.10314E-005f, 9.76467E-005f, 0.000114877f, 0.000120178f, 0.000121581f, 0.000121936f, 0.000122026f}, - {1.48975E-008f, 5.95465E-008f, 2.37491E-007f, 9.39002E-007f, 3.59029E-006f, 1.22069E-005f, 3.05166E-005f, 4.88257E-005f, 5.74416E-005f, 6.00925E-005f, 6.0794E-005f, 6.09719E-005f, 6.10165E-005f}, - {7.44876E-009f, 2.97732E-008f, 1.18745E-007f, 4.69501E-007f, 1.79515E-006f, 6.10348E-006f, 1.52586E-005f, 2.44135E-005f, 2.87216E-005f, 3.00472E-005f, 3.03979E-005f, 3.04869E-005f, 3.05092E-005f}, - {3.72438E-009f, 1.48866E-008f, 5.93727E-008f, 2.34751E-007f, 8.97575E-007f, 3.05175E-006f, 7.62934E-006f, 1.22069E-005f, 1.4361E-005f, 1.50238E-005f, 1.51992E-005f, 1.52437E-005f, 1.52548E-005f}, - {1.86219E-009f, 7.44331E-009f, 2.96864E-008f, 1.17375E-007f, 4.48788E-007f, 1.52588E-006f, 3.81468E-006f, 6.10348E-006f, 7.18056E-006f, 7.51196E-006f, 7.59965E-006f, 7.62189E-006f, 7.62747E-006f}, - {9.31095E-010f, 3.72166E-009f, 1.48432E-008f, 5.86876E-008f, 2.24394E-007f, 7.62939E-007f, 1.90734E-006f, 3.05175E-006f, 3.59029E-006f, 3.756E-006f, 3.79984E-006f, 3.81096E-006f, 3.81375E-006f}, - {4.65548E-010f, 1.86083E-009f, 7.42159E-009f, 2.93438E-008f, 1.12197E-007f, 3.8147E-007f, 9.53673E-007f, 1.52588E-006f, 1.79515E-006f, 1.878E-006f, 1.89992E-006f, 1.90548E-006f, 1.90688E-006f}, - {2.32774E-010f, 9.30414E-010f, 3.71079E-009f, 1.46719E-008f, 5.60985E-008f, 1.90735E-007f, 4.76837E-007f, 7.62939E-007f, 8.97575E-007f, 9.39002E-007f, 9.49963E-007f, 9.52743E-007f, 9.53441E-007f}, - {1.16387E-010f, 4.65207E-010f, 1.8554E-009f, 7.33596E-009f, 2.80492E-008f, 9.53674E-008f, 2.38419E-007f, 3.8147E-007f, 4.48788E-007f, 4.69501E-007f, 4.74982E-007f, 4.76372E-007f, 4.76721E-007f}, - {5.81935E-011f, 2.32603E-010f, 9.27699E-010f, 3.66798E-009f, 1.40246E-008f, 4.76837E-008f, 1.19209E-007f, 1.90735E-007f, 2.24394E-007f, 2.34751E-007f, 2.37491E-007f, 2.38186E-007f, 2.3836E-007f}, - {2.90967E-011f, 1.16302E-010f, 4.63849E-010f, 1.83399E-009f, 7.01231E-009f, 2.38419E-008f, 5.96046E-008f, 9.53674E-008f, 1.12197E-007f, 1.17375E-007f, 1.18745E-007f, 1.19093E-007f, 1.1918E-007f} - }; - - private static final float[][] Q_div2_tab_right = { - {0.992246f, 0.992241f, 0.992218f, 0.992128f, 0.991768f, 0.990329f, 0.984615f, 0.962406f, 0.882759f, 0.663212f, 0.332468f, 0.111015f, 0.0302959f}, - {0.984612f, 0.984601f, 0.984556f, 0.984379f, 0.98367f, 0.980843f, 0.969697f, 0.927536f, 0.790123f, 0.496124f, 0.199377f, 0.0587695f, 0.0153809f}, - {0.96969f, 0.969668f, 0.969582f, 0.969238f, 0.967864f, 0.962406f, 0.941176f, 0.864865f, 0.653061f, 0.329897f, 0.110727f, 0.0302744f, 0.00775006f}, - {0.941163f, 0.941122f, 0.94096f, 0.940312f, 0.937729f, 0.927536f, 0.888889f, 0.761905f, 0.484848f, 0.197531f, 0.0586081f, 0.0153698f, 0.0038901f}, - {0.888865f, 0.888792f, 0.888503f, 0.887348f, 0.882759f, 0.864865f, 0.8f, 0.615385f, 0.32f, 0.109589f, 0.0301887f, 0.00774443f, 0.00194884f}, - {0.799961f, 0.799844f, 0.799375f, 0.797508f, 0.790123f, 0.761905f, 0.666667f, 0.444444f, 0.190476f, 0.057971f, 0.0153257f, 0.00388727f, 0.000975372f}, - {0.666612f, 0.66645f, 0.6658f, 0.663212f, 0.653061f, 0.615385f, 0.5f, 0.285714f, 0.105263f, 0.0298507f, 0.00772201f, 0.00194742f, 0.000487924f}, - {0.499939f, 0.499756f, 0.499025f, 0.496124f, 0.484848f, 0.444444f, 0.333333f, 0.166667f, 0.0555556f, 0.0151515f, 0.00387597f, 0.000974659f, 0.000244021f}, - {0.333279f, 0.333116f, 0.332468f, 0.329897f, 0.32f, 0.285714f, 0.2f, 0.0909091f, 0.0285714f, 0.00763359f, 0.00194175f, 0.000487567f, 0.000122026f}, - {0.199961f, 0.199844f, 0.199377f, 0.197531f, 0.190476f, 0.166667f, 0.111111f, 0.047619f, 0.0144928f, 0.00383142f, 0.000971817f, 0.000243843f, 6.10165E-005f}, - {0.111087f, 0.111015f, 0.110727f, 0.109589f, 0.105263f, 0.0909091f, 0.0588235f, 0.0243902f, 0.00729927f, 0.00191939f, 0.000486145f, 0.000121936f, 3.05092E-005f}, - {0.05881f, 0.0587695f, 0.0586081f, 0.057971f, 0.0555556f, 0.047619f, 0.030303f, 0.0123457f, 0.003663f, 0.000960615f, 0.000243132f, 6.09719E-005f, 1.52548E-005f}, - {0.0302959f, 0.0302744f, 0.0301887f, 0.0298507f, 0.0285714f, 0.0243902f, 0.0153846f, 0.00621118f, 0.00183486f, 0.000480538f, 0.000121581f, 3.04869E-005f, 7.62747E-006f}, - {0.0153809f, 0.0153698f, 0.0153257f, 0.0151515f, 0.0144928f, 0.0123457f, 0.00775194f, 0.00311526f, 0.000918274f, 0.000240327f, 6.0794E-005f, 1.52437E-005f, 3.81375E-006f}, - {0.00775006f, 0.00774443f, 0.00772201f, 0.00763359f, 0.00729927f, 0.00621118f, 0.00389105f, 0.00156006f, 0.000459348f, 0.000120178f, 3.03979E-005f, 7.62189E-006f, 1.90688E-006f}, - {0.0038901f, 0.00388727f, 0.00387597f, 0.00383142f, 0.003663f, 0.00311526f, 0.00194932f, 0.00078064f, 0.000229727f, 6.00925E-005f, 1.51992E-005f, 3.81096E-006f, 9.53441E-007f}, - {0.00194884f, 0.00194742f, 0.00194175f, 0.00191939f, 0.00183486f, 0.00156006f, 0.00097561f, 0.000390472f, 0.000114877f, 3.00472E-005f, 7.59965E-006f, 1.90548E-006f, 4.76721E-007f}, - {0.000975372f, 0.000974659f, 0.000971817f, 0.000960615f, 0.000918274f, 0.00078064f, 0.000488043f, 0.000195274f, 5.74416E-005f, 1.50238E-005f, 3.79984E-006f, 9.52743E-007f, 2.3836E-007f}, - {0.000487924f, 0.000487567f, 0.000486145f, 0.000480538f, 0.000459348f, 0.000390472f, 0.000244081f, 9.76467E-005f, 2.87216E-005f, 7.51196E-006f, 1.89992E-006f, 4.76372E-007f, 1.1918E-007f}, - {0.000244021f, 0.000243843f, 0.000243132f, 0.000240327f, 0.000229727f, 0.000195274f, 0.000122055f, 4.88257E-005f, 1.4361E-005f, 3.756E-006f, 9.49963E-007f, 2.38186E-007f, 5.95901E-008f}, - {0.000122026f, 0.000121936f, 0.000121581f, 0.000120178f, 0.000114877f, 9.76467E-005f, 6.10314E-005f, 2.44135E-005f, 7.18056E-006f, 1.878E-006f, 4.74982E-007f, 1.19093E-007f, 2.9795E-008f}, - {6.10165E-005f, 6.09719E-005f, 6.0794E-005f, 6.00925E-005f, 5.74416E-005f, 4.88257E-005f, 3.05166E-005f, 1.22069E-005f, 3.59029E-006f, 9.39002E-007f, 2.37491E-007f, 5.95465E-008f, 1.48975E-008f}, - {3.05092E-005f, 3.04869E-005f, 3.03979E-005f, 3.00472E-005f, 2.87216E-005f, 2.44135E-005f, 1.52586E-005f, 6.10348E-006f, 1.79515E-006f, 4.69501E-007f, 1.18745E-007f, 2.97732E-008f, 7.44876E-009f}, - {1.52548E-005f, 1.52437E-005f, 1.51992E-005f, 1.50238E-005f, 1.4361E-005f, 1.22069E-005f, 7.62934E-006f, 3.05175E-006f, 8.97575E-007f, 2.34751E-007f, 5.93727E-008f, 1.48866E-008f, 3.72438E-009f}, - {7.62747E-006f, 7.62189E-006f, 7.59965E-006f, 7.51196E-006f, 7.18056E-006f, 6.10348E-006f, 3.81468E-006f, 1.52588E-006f, 4.48788E-007f, 1.17375E-007f, 2.96864E-008f, 7.44331E-009f, 1.86219E-009f}, - {3.81375E-006f, 3.81096E-006f, 3.79984E-006f, 3.756E-006f, 3.59029E-006f, 3.05175E-006f, 1.90734E-006f, 7.62939E-007f, 2.24394E-007f, 5.86876E-008f, 1.48432E-008f, 3.72166E-009f, 9.31095E-010f}, - {1.90688E-006f, 1.90548E-006f, 1.89992E-006f, 1.878E-006f, 1.79515E-006f, 1.52588E-006f, 9.53673E-007f, 3.8147E-007f, 1.12197E-007f, 2.93438E-008f, 7.42159E-009f, 1.86083E-009f, 4.65548E-010f}, - {9.53441E-007f, 9.52743E-007f, 9.49963E-007f, 9.39002E-007f, 8.97575E-007f, 7.62939E-007f, 4.76837E-007f, 1.90735E-007f, 5.60985E-008f, 1.46719E-008f, 3.71079E-009f, 9.30414E-010f, 2.32774E-010f}, - {4.76721E-007f, 4.76372E-007f, 4.74982E-007f, 4.69501E-007f, 4.48788E-007f, 3.8147E-007f, 2.38419E-007f, 9.53674E-008f, 2.80492E-008f, 7.33596E-009f, 1.8554E-009f, 4.65207E-010f, 1.16387E-010f}, - {2.3836E-007f, 2.38186E-007f, 2.37491E-007f, 2.34751E-007f, 2.24394E-007f, 1.90735E-007f, 1.19209E-007f, 4.76837E-008f, 1.40246E-008f, 3.66798E-009f, 9.27699E-010f, 2.32603E-010f, 5.81935E-011f}, - {1.1918E-007f, 1.19093E-007f, 1.18745E-007f, 1.17375E-007f, 1.12197E-007f, 9.53674E-008f, 5.96046E-008f, 2.38419E-008f, 7.01231E-009f, 1.83399E-009f, 4.63849E-010f, 1.16302E-010f, 2.90967E-011f} - }; - /* table for Q_div values when no coupling */ - private static final float[] Q_div_tab = { - 0.0153846f, 0.030303f, - 0.0588235f, 0.111111f, - 0.2f, 0.333333f, - 0.5f, 0.666667f, - 0.8f, 0.888889f, - 0.941176f, 0.969697f, - 0.984615f, 0.992248f, - 0.996109f, 0.998051f, - 0.999024f, 0.999512f, - 0.999756f, 0.999878f, - 0.999939f, 0.999969f, - 0.999985f, 0.999992f, - 0.999996f, 0.999998f, - 0.999999f, 1f, - 1f, 1f, - 1f - }; - - private static final float[][] Q_div_tab_left = { - {0.969704f, 0.888985f, 0.667532f, 0.336788f, 0.117241f, 0.037594f, 0.0153846f, 0.00967118f, 0.00823245f, 0.00787211f, 0.00778198f, 0.00775945f, 0.00775382f}, - {0.984619f, 0.94123f, 0.800623f, 0.503876f, 0.209877f, 0.0724638f, 0.030303f, 0.0191571f, 0.0163305f, 0.0156212f, 0.0154438f, 0.0153994f, 0.0153883f}, - {0.99225f, 0.969726f, 0.889273f, 0.670103f, 0.346939f, 0.135135f, 0.0588235f, 0.037594f, 0.0321361f, 0.0307619f, 0.0304178f, 0.0303317f, 0.0303102f}, - {0.99611f, 0.98463f, 0.941392f, 0.802469f, 0.515152f, 0.238095f, 0.111111f, 0.0724638f, 0.0622711f, 0.0596878f, 0.0590397f, 0.0588776f, 0.058837f}, - {0.998051f, 0.992256f, 0.969811f, 0.890411f, 0.68f, 0.384615f, 0.2f, 0.135135f, 0.117241f, 0.112652f, 0.111497f, 0.111208f, 0.111135f}, - {0.999025f, 0.996113f, 0.984674f, 0.942029f, 0.809524f, 0.555556f, 0.333333f, 0.238095f, 0.209877f, 0.202492f, 0.200625f, 0.200156f, 0.200039f}, - {0.999512f, 0.998053f, 0.992278f, 0.970149f, 0.894737f, 0.714286f, 0.5f, 0.384615f, 0.346939f, 0.336788f, 0.3342f, 0.33355f, 0.333388f}, - {0.999756f, 0.999025f, 0.996124f, 0.984848f, 0.944444f, 0.833333f, 0.666667f, 0.555556f, 0.515152f, 0.503876f, 0.500975f, 0.500244f, 0.500061f}, - {0.999878f, 0.999512f, 0.998058f, 0.992366f, 0.971429f, 0.909091f, 0.8f, 0.714286f, 0.68f, 0.670103f, 0.667532f, 0.666884f, 0.666721f}, - {0.999939f, 0.999756f, 0.999028f, 0.996169f, 0.985507f, 0.952381f, 0.888889f, 0.833333f, 0.809524f, 0.802469f, 0.800623f, 0.800156f, 0.800039f}, - {0.999969f, 0.999878f, 0.999514f, 0.998081f, 0.992701f, 0.97561f, 0.941176f, 0.909091f, 0.894737f, 0.890411f, 0.889273f, 0.888985f, 0.888913f}, - {0.999985f, 0.999939f, 0.999757f, 0.999039f, 0.996337f, 0.987654f, 0.969697f, 0.952381f, 0.944444f, 0.942029f, 0.941392f, 0.94123f, 0.94119f}, - {0.999992f, 0.99997f, 0.999878f, 0.999519f, 0.998165f, 0.993789f, 0.984615f, 0.97561f, 0.971429f, 0.970149f, 0.969811f, 0.969726f, 0.969704f}, - {0.999996f, 0.999985f, 0.999939f, 0.99976f, 0.999082f, 0.996885f, 0.992248f, 0.987654f, 0.985507f, 0.984848f, 0.984674f, 0.98463f, 0.984619f}, - {0.999998f, 0.999992f, 0.99997f, 0.99988f, 0.999541f, 0.99844f, 0.996109f, 0.993789f, 0.992701f, 0.992366f, 0.992278f, 0.992256f, 0.99225f}, - {0.999999f, 0.999996f, 0.999985f, 0.99994f, 0.99977f, 0.999219f, 0.998051f, 0.996885f, 0.996337f, 0.996169f, 0.996124f, 0.996113f, 0.99611f}, - {1f, 0.999998f, 0.999992f, 0.99997f, 0.999885f, 0.99961f, 0.999024f, 0.99844f, 0.998165f, 0.998081f, 0.998058f, 0.998053f, 0.998051f}, - {1f, 0.999999f, 0.999996f, 0.999985f, 0.999943f, 0.999805f, 0.999512f, 0.999219f, 0.999082f, 0.999039f, 0.999028f, 0.999025f, 0.999025f}, - {1f, 1f, 0.999998f, 0.999992f, 0.999971f, 0.999902f, 0.999756f, 0.99961f, 0.999541f, 0.999519f, 0.999514f, 0.999512f, 0.999512f}, - {1f, 1f, 0.999999f, 0.999996f, 0.999986f, 0.999951f, 0.999878f, 0.999805f, 0.99977f, 0.99976f, 0.999757f, 0.999756f, 0.999756f}, - {1f, 1f, 1f, 0.999998f, 0.999993f, 0.999976f, 0.999939f, 0.999902f, 0.999885f, 0.99988f, 0.999878f, 0.999878f, 0.999878f}, - {1f, 1f, 1f, 0.999999f, 0.999996f, 0.999988f, 0.999969f, 0.999951f, 0.999943f, 0.99994f, 0.999939f, 0.999939f, 0.999939f}, - {1f, 1f, 1f, 1f, 0.999998f, 0.999994f, 0.999985f, 0.999976f, 0.999971f, 0.99997f, 0.99997f, 0.99997f, 0.999969f}, - {1f, 1f, 1f, 1f, 0.999999f, 0.999997f, 0.999992f, 0.999988f, 0.999986f, 0.999985f, 0.999985f, 0.999985f, 0.999985f}, - {1f, 1f, 1f, 1f, 1f, 0.999998f, 0.999996f, 0.999994f, 0.999993f, 0.999992f, 0.999992f, 0.999992f, 0.999992f}, - {1f, 1f, 1f, 1f, 1f, 0.999999f, 0.999998f, 0.999997f, 0.999996f, 0.999996f, 0.999996f, 0.999996f, 0.999996f}, - {1f, 1f, 1f, 1f, 1f, 1f, 0.999999f, 0.999998f, 0.999998f, 0.999998f, 0.999998f, 0.999998f, 0.999998f}, - {1f, 1f, 1f, 1f, 1f, 1f, 1f, 0.999999f, 0.999999f, 0.999999f, 0.999999f, 0.999999f, 0.999999f}, - {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f}, - {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f}, - {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f} - }; - - private static final float[][] Q_div_tab_right = { - {0.00775382f, 0.00775945f, 0.00778198f, 0.00787211f, 0.00823245f, 0.00967118f, 0.0153846f, 0.037594f, 0.117241f, 0.336788f, 0.667532f, 0.888985f, 0.969704f}, - {0.0153883f, 0.0153994f, 0.0154438f, 0.0156212f, 0.0163305f, 0.0191571f, 0.030303f, 0.0724638f, 0.209877f, 0.503876f, 0.800623f, 0.94123f, 0.984619f}, - {0.0303102f, 0.0303317f, 0.0304178f, 0.0307619f, 0.0321361f, 0.037594f, 0.0588235f, 0.135135f, 0.346939f, 0.670103f, 0.889273f, 0.969726f, 0.99225f}, - {0.058837f, 0.0588776f, 0.0590397f, 0.0596878f, 0.0622711f, 0.0724638f, 0.111111f, 0.238095f, 0.515152f, 0.802469f, 0.941392f, 0.98463f, 0.99611f}, - {0.111135f, 0.111208f, 0.111497f, 0.112652f, 0.117241f, 0.135135f, 0.2f, 0.384615f, 0.68f, 0.890411f, 0.969811f, 0.992256f, 0.998051f}, - {0.200039f, 0.200156f, 0.200625f, 0.202492f, 0.209877f, 0.238095f, 0.333333f, 0.555556f, 0.809524f, 0.942029f, 0.984674f, 0.996113f, 0.999025f}, - {0.333388f, 0.33355f, 0.3342f, 0.336788f, 0.346939f, 0.384615f, 0.5f, 0.714286f, 0.894737f, 0.970149f, 0.992278f, 0.998053f, 0.999512f}, - {0.500061f, 0.500244f, 0.500975f, 0.503876f, 0.515152f, 0.555556f, 0.666667f, 0.833333f, 0.944444f, 0.984848f, 0.996124f, 0.999025f, 0.999756f}, - {0.666721f, 0.666884f, 0.667532f, 0.670103f, 0.68f, 0.714286f, 0.8f, 0.909091f, 0.971429f, 0.992366f, 0.998058f, 0.999512f, 0.999878f}, - {0.800039f, 0.800156f, 0.800623f, 0.802469f, 0.809524f, 0.833333f, 0.888889f, 0.952381f, 0.985507f, 0.996169f, 0.999028f, 0.999756f, 0.999939f}, - {0.888913f, 0.888985f, 0.889273f, 0.890411f, 0.894737f, 0.909091f, 0.941176f, 0.97561f, 0.992701f, 0.998081f, 0.999514f, 0.999878f, 0.999969f}, - {0.94119f, 0.94123f, 0.941392f, 0.942029f, 0.944444f, 0.952381f, 0.969697f, 0.987654f, 0.996337f, 0.999039f, 0.999757f, 0.999939f, 0.999985f}, - {0.969704f, 0.969726f, 0.969811f, 0.970149f, 0.971429f, 0.97561f, 0.984615f, 0.993789f, 0.998165f, 0.999519f, 0.999878f, 0.99997f, 0.999992f}, - {0.984619f, 0.98463f, 0.984674f, 0.984848f, 0.985507f, 0.987654f, 0.992248f, 0.996885f, 0.999082f, 0.99976f, 0.999939f, 0.999985f, 0.999996f}, - {0.99225f, 0.992256f, 0.992278f, 0.992366f, 0.992701f, 0.993789f, 0.996109f, 0.99844f, 0.999541f, 0.99988f, 0.99997f, 0.999992f, 0.999998f}, - {0.99611f, 0.996113f, 0.996124f, 0.996169f, 0.996337f, 0.996885f, 0.998051f, 0.999219f, 0.99977f, 0.99994f, 0.999985f, 0.999996f, 0.999999f}, - {0.998051f, 0.998053f, 0.998058f, 0.998081f, 0.998165f, 0.99844f, 0.999024f, 0.99961f, 0.999885f, 0.99997f, 0.999992f, 0.999998f, 1f}, - {0.999025f, 0.999025f, 0.999028f, 0.999039f, 0.999082f, 0.999219f, 0.999512f, 0.999805f, 0.999943f, 0.999985f, 0.999996f, 0.999999f, 1f}, - {0.999512f, 0.999512f, 0.999514f, 0.999519f, 0.999541f, 0.99961f, 0.999756f, 0.999902f, 0.999971f, 0.999992f, 0.999998f, 1f, 1f}, - {0.999756f, 0.999756f, 0.999757f, 0.99976f, 0.99977f, 0.999805f, 0.999878f, 0.999951f, 0.999986f, 0.999996f, 0.999999f, 1f, 1f}, - {0.999878f, 0.999878f, 0.999878f, 0.99988f, 0.999885f, 0.999902f, 0.999939f, 0.999976f, 0.999993f, 0.999998f, 1f, 1f, 1f}, - {0.999939f, 0.999939f, 0.999939f, 0.99994f, 0.999943f, 0.999951f, 0.999969f, 0.999988f, 0.999996f, 0.999999f, 1f, 1f, 1f}, - {0.999969f, 0.99997f, 0.99997f, 0.99997f, 0.999971f, 0.999976f, 0.999985f, 0.999994f, 0.999998f, 1f, 1f, 1f, 1f}, - {0.999985f, 0.999985f, 0.999985f, 0.999985f, 0.999986f, 0.999988f, 0.999992f, 0.999997f, 0.999999f, 1f, 1f, 1f, 1f}, - {0.999992f, 0.999992f, 0.999992f, 0.999992f, 0.999993f, 0.999994f, 0.999996f, 0.999998f, 1f, 1f, 1f, 1f, 1f}, - {0.999996f, 0.999996f, 0.999996f, 0.999996f, 0.999996f, 0.999997f, 0.999998f, 0.999999f, 1f, 1f, 1f, 1f, 1f}, - {0.999998f, 0.999998f, 0.999998f, 0.999998f, 0.999998f, 0.999998f, 0.999999f, 1f, 1f, 1f, 1f, 1f, 1f}, - {0.999999f, 0.999999f, 0.999999f, 0.999999f, 0.999999f, 0.999999f, 1f, 1f, 1f, 1f, 1f, 1f, 1f}, - {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f}, - {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f}, - {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f} - }; - - public static void extract_envelope_data(SBR sbr, int ch) { - int l, k; - - for(l = 0; l30) - ||(sbr.Q[1][m][l]<0||sbr.Q[1][m][l]>24 /* 2*panOffset(1) */)) { - return 0; - } - else { - /* the pan parameter is always even */ - if(ch==0) { - return Q_div_tab_left[sbr.Q[0][m][l]][sbr.Q[1][m][l]>>1]; - } - else { - return Q_div_tab_right[sbr.Q[0][m][l]][sbr.Q[1][m][l]>>1]; - } - } - } - else { - /* no coupling */ - if(sbr.Q[ch][m][l]<0||sbr.Q[ch][m][l]>30) { - return 0; - } - else { - return Q_div_tab[sbr.Q[ch][m][l]]; - } - } - } - - /* calculates Q/(1+Q) */ - /* [0..1] */ - public static float calc_Q_div2(SBR sbr, int ch, int m, int l) { - if(sbr.bs_coupling) { - if((sbr.Q[0][m][l]<0||sbr.Q[0][m][l]>30) - ||(sbr.Q[1][m][l]<0||sbr.Q[1][m][l]>24 /* 2*panOffset(1) */)) { - return 0; - } - else { - /* the pan parameter is always even */ - if(ch==0) { - return Q_div2_tab_left[sbr.Q[0][m][l]][sbr.Q[1][m][l]>>1]; - } - else { - return Q_div2_tab_right[sbr.Q[0][m][l]][sbr.Q[1][m][l]>>1]; - } - } - } - else { - /* no coupling */ - if(sbr.Q[ch][m][l]<0||sbr.Q[ch][m][l]>30) { - return 0; - } - else { - return Q_div2_tab[sbr.Q[ch][m][l]]; - } - } - } - - public static void dequantChannel(SBR sbr, int ch) { - if(!sbr.bs_coupling) { - int exp; - int l, k; - int amp = (sbr.amp_res[ch]) ? 0 : 1; - - for(l = 0; l> amp) + 6; */ - exp = (sbr.E[ch][k][l]>>amp); - - if((exp<0)||(exp>=64)) { - sbr.E_orig[ch][k][l] = 0; - } - else { - sbr.E_orig[ch][k][l] = E_deq_tab[exp]; - - /* save half the table size at the cost of 1 multiply */ - if(amp!=0&&(sbr.E[ch][k][l]&1)!=0) { - sbr.E_orig[ch][k][l] = (sbr.E_orig[ch][k][l]*1.414213562f); - } - } - } - } - - for(l = 0; l>amp0)+1; - - /* UN_MAP removed: (x / 4096) same as (x >> 12) */ - /* E[1] is always even so no need for compensating the divide by 2 with - * an extra multiplication - */ - /* exp1 = (sbr.E[1][k][l] >> amp1) - 12; */ - exp1 = (sbr.E[1][k][l]>>amp1); - - if((exp0<0)||(exp0>=64) - ||(exp1<0)||(exp1>24)) { - sbr.E_orig[1][k][l] = 0; - sbr.E_orig[0][k][l] = 0; - } - else { - tmp = E_deq_tab[exp0]; - if(amp0!=0&&(sbr.E[0][k][l]&1)!=0) { - tmp *= 1.414213562; - } - - /* panning */ - sbr.E_orig[0][k][l] = (tmp*E_pan_tab[exp1]); - sbr.E_orig[1][k][l] = (tmp*E_pan_tab[24-exp1]); - } - } - } - - for(l = 0; l 30) + || (sbr.ch1.Q[m][l] < 0 || sbr.ch1.Q[m][l] > 24 /* 2*panOffset(1) */)) { + return 0; + } else { + /* the pan parameter is always even */ + if (ch == sbr.ch0) { + return Q_div_tab_left[sbr.ch0.Q[m][l]][sbr.ch1.Q[m][l] >> 1]; + } else { + return Q_div_tab_right[sbr.ch0.Q[m][l]][sbr.ch1.Q[m][l] >> 1]; + } + } + } else { + return calc_Q_div(ch, m, l); + } + } + + public static float calc_Q_div(Channel ch, int m, int l) { + /* no coupling */ + if (ch.Q[m][l] < 0 || ch.Q[m][l] > 30) { + return 0; + } else { + return Q_div_tab[ch.Q[m][l]]; + } + } + + /* calculates Q/(1+Q) */ + /* [0..1] */ + public static float calc_Q_div2(SBR2 sbr, Channel ch, int m, int l) { + if (sbr.bs_coupling) { + if ((sbr.ch0.Q[m][l] < 0 || sbr.ch0.Q[m][l] > 30) + || (sbr.ch1.Q[m][l] < 0 || sbr.ch1.Q[m][l] > 24 /* 2*panOffset(1) */)) { + return 0; + } else { + /* the pan parameter is always even */ + if (ch == sbr.ch0) { + return Q_div2_tab_left[sbr.ch0.Q[m][l]][sbr.ch1.Q[m][l] >> 1]; + } else { + return Q_div2_tab_right[sbr.ch0.Q[m][l]][sbr.ch1.Q[m][l] >> 1]; + } + } + } else { + return calc_Q_div2(ch, m, l); + } + } + + public static float calc_Q_div2(Channel ch, int m, int l) { + /* no coupling */ + if (ch.Q[m][l] < 0 || ch.Q[m][l] > 30) { + return 0; + } else { + return Q_div2_tab[ch.Q[m][l]]; + } + } + + public static void dequantChannel(SBR sbr, Channel ch) { + int amp = (ch.amp_res) ? 0 : 1; + + for (int l = 0; l < ch.L_E; l++) { + for (int k = 0; k < sbr.n[ch.f[l]]; k++) { + /* +6 for the *64 and -10 for the /32 in the synthesis QMF (fixed) + * since this is an energy value: (x/32)^2 = (x^2)/1024 + */ + /* exp = (ch.E[k][l] >> amp) + 6; */ + int exp = (ch.E[k][l] >> amp); + + if ((exp < 0) || (exp >= 64)) { + ch.E_orig[k][l] = 0; + } else { + ch.E_orig[k][l] = E_deq_tab[exp]; + + /* save half the table size at the cost of 1 multiply */ + if (amp != 0 && (ch.E[k][l] & 1) != 0) { + ch.E_orig[k][l] = (ch.E_orig[k][l] * 1.414213562f); + } + } + } + } + + for (int l = 0; l < ch.L_Q; l++) { + for (int k = 0; k < sbr.N_Q; k++) { + ch.Q_div[k][l] = calc_Q_div(ch, k, l); + ch.Q_div2[k][l] = calc_Q_div2(ch, k, l); + } + } + } + + private static final float[] E_pan_tab = { + 0.000244081f, 0.000488043f, + 0.00097561f, 0.00194932f, + 0.00389105f, 0.00775194f, + 0.0153846f, 0.030303f, + 0.0588235f, 0.111111f, + 0.2f, 0.333333f, + 0.5f, 0.666667f, + 0.8f, 0.888889f, + 0.941176f, 0.969697f, + 0.984615f, 0.992248f, + 0.996109f, 0.998051f, + 0.999024f, 0.999512f, + 0.999756f + }; + + public static void unmap(SBR2 sbr) { + + int amp0 = (sbr.ch0.amp_res) ? 0 : 1; + int amp1 = (sbr.ch1.amp_res) ? 0 : 1; + + for (int l = 0; l < sbr.ch0.L_E; l++) { + for (int k = 0; k < sbr.n[sbr.ch0.f[l]]; k++) { + /* +6: * 64 ; +1: * 2 ; */ + int exp0 = (sbr.ch0.E[k][l] >> amp0) + 1; + + /* UN_MAP removed: (x / 4096) same as (x >> 12) */ + /* E[1] is always even so no need for compensating the divide by 2 with + * an extra multiplication + */ + /* exp1 = (sbr.ch1.E[k][l] >> amp1) - 12; */ + int exp1 = (sbr.ch1.E[k][l] >> amp1); + + if ((exp0 < 0) || (exp0 >= 64) + || (exp1 < 0) || (exp1 > 24)) { + sbr.ch1.E_orig[k][l] = 0; + sbr.ch0.E_orig[k][l] = 0; + } else { + float tmp = E_deq_tab[exp0]; + if (amp0 != 0 && (sbr.ch0.E[k][l] & 1) != 0) { + tmp *= 1.414213562; + } + + /* panning */ + sbr.ch0.E_orig[k][l] = (tmp * E_pan_tab[exp1]); + sbr.ch1.E_orig[k][l] = (tmp * E_pan_tab[24 - exp1]); + } + } + } + + for (int l = 0; l < sbr.ch0.L_Q; l++) { + for (int k = 0; k < sbr.N_Q; k++) { + sbr.ch0.Q_div[k][l] = calc_Q_div(sbr, sbr.ch0, k, l); + sbr.ch1.Q_div[k][l] = calc_Q_div(sbr, sbr.ch1, k, l); + sbr.ch0.Q_div2[k][l] = calc_Q_div2(sbr, sbr.ch0, k, l); + sbr.ch1.Q_div2[k][l] = calc_Q_div2(sbr, sbr.ch1, k, l); + } + } + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/NoiseTable.java b/src/main/java/net/sourceforge/jaad/aac/sbr/NoiseTable.java index 094349cf..8baac0f9 100644 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/NoiseTable.java +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/NoiseTable.java @@ -2,519 +2,519 @@ interface NoiseTable { - /* Table 1.A.13 Noise table V */ - float[][] NOISE_TABLE = { - {-0.99948155879974f, -0.59483414888382f}, - {0.97113454341888f, -0.67528516054153f}, - {0.14130051434040f, -0.95090985298157f}, - {-0.47005495429039f, -0.37340548634529f}, - {0.80705064535141f, 0.29653668403625f}, - {-0.38981479406357f, 0.89572608470917f}, - {-0.01053049881011f, -0.66959059238434f}, - {-0.91266369819641f, -0.11522938311100f}, - {0.54840421676636f, 0.75221365690231f}, - {0.40009254217148f, -0.98929399251938f}, - {-0.99867975711823f, -0.88147068023682f}, - {-0.95531076192856f, 0.90908759832382f}, - {-0.45725932717323f, -0.56716322898865f}, - {-0.72929674386978f, -0.98008275032043f}, - {0.75622802972794f, 0.20950329303741f}, - {0.07069442421198f, -0.78247898817062f}, - {0.74496251344681f, -0.91169005632401f}, - {-0.96440184116364f, -0.94739919900894f}, - {0.30424630641937f, -0.49438267946243f}, - {0.66565030813217f, 0.64652937650681f}, - {0.91697007417679f, 0.17514097690582f}, - {-0.70774918794632f, 0.52548652887344f}, - {-0.70051413774490f, -0.45340028405190f}, - {-0.99496513605118f, -0.90071910619736f}, - {0.98164492845535f, -0.77463155984879f}, - {-0.54671579599380f, -0.02570928446949f}, - {-0.01689629070461f, 0.00287506449968f}, - {-0.86110347509384f, 0.42548584938049f}, - {-0.98892980813980f, -0.87881129980087f}, - {0.51756626367569f, 0.66926783323288f}, - {-0.99635028839111f, -0.58107727766037f}, - {-0.99969369173050f, 0.98369991779327f}, - {0.55266261100769f, 0.59449058771133f}, - {0.34581178426743f, 0.94879418611526f}, - {0.62664210796356f, -0.74402970075607f}, - 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-0.08628837019205f}, + {0.91229414939880f, -0.65987348556519f}, + {-0.48972892761230f, 0.56289243698120f}, + {-0.89033657312393f, -0.71656566858292f}, + {0.65269446372986f, 0.65916007757187f}, + {0.67439478635788f, -0.81684380769730f}, + {-0.47770830988884f, -0.16789555549622f}, + {-0.99715977907181f, -0.93565785884857f}, + {-0.90889590978622f, 0.62034398317337f}, + {-0.06618622690439f, -0.23812216520309f}, + {0.99430269002914f, 0.18812555074692f}, + {0.97686403989792f, -0.28664535284042f}, + {0.94813650846481f, -0.97506642341614f}, + {-0.95434498786926f, -0.79607981443405f}, + {-0.49104782938957f, 0.32895213365555f}, + {0.99881172180176f, 0.88993984460831f}, + {0.50449168682098f, -0.85995072126389f}, + {0.47162890434265f, -0.18680204451084f}, + {-0.62081581354141f, 0.75000673532486f}, + {-0.43867015838623f, 0.99998068809509f}, + {0.98630565404892f, -0.53578901290894f}, + {-0.61510360240936f, -0.89515018463135f}, + {-0.03841517493129f, -0.69888818264008f}, + {-0.30102157592773f, -0.07667808979750f}, + {0.41881284117699f, 0.02188098989427f}, + {-0.86135452985764f, 0.98947483301163f}, + {0.67226862907410f, -0.13494388759136f}, + {-0.70737397670746f, -0.76547348499298f}, + {0.94044947624207f, 0.09026201069355f}, + {-0.82386350631714f, 0.08924768865108f}, + {-0.32070666551590f, 0.50143420696259f}, + {0.57593160867691f, -0.98966425657272f}, + {-0.36326017975807f, 0.07440242916346f}, + {0.99979043006897f, -0.14130286872387f}, + {-0.92366021871567f, -0.97979295253754f}, + {-0.44607177376747f, -0.54233253002167f}, + {0.44226801395416f, 0.71326756477356f}, + {0.03671907261014f, 0.63606387376785f}, + {0.52175426483154f, -0.85396826267242f}, + {-0.94701141119003f, -0.01826348155737f}, + {-0.98759609460831f, 0.82288712263107f}, + {0.87434792518616f, 0.89399492740631f}, + {-0.93412041664124f, 0.41374051570892f}, + {0.96063941717148f, 0.93116706609726f}, + {0.97534251213074f, 0.86150932312012f}, + {0.99642467498779f, 0.70190042257309f}, + {-0.94705086946487f, -0.29580041766167f}, + {0.91599804162979f, -0.98147833347321f} + }; } diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/PS.java b/src/main/java/net/sourceforge/jaad/aac/sbr/PS.java new file mode 100644 index 00000000..1136b89f --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/PS.java @@ -0,0 +1,19 @@ +package net.sourceforge.jaad.aac.sbr; + +import net.sourceforge.jaad.aac.syntax.BitStream; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 24.09.21 + * Time: 23:25 + */ +public interface PS { + + boolean isDataAvailable(); + + void decode(BitStream ld); + + /* main Parametric Stereo decoding function */ + void process(float[][][] X_left, float[][][] X_right); +} diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/SBR.java b/src/main/java/net/sourceforge/jaad/aac/sbr/SBR.java index 297e936e..b4218e22 100644 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/SBR.java +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/SBR.java @@ -1,1328 +1,302 @@ package net.sourceforge.jaad.aac.sbr; -import java.util.Arrays; import net.sourceforge.jaad.aac.AACException; +import net.sourceforge.jaad.aac.DecoderConfig; import net.sourceforge.jaad.aac.SampleFrequency; -import net.sourceforge.jaad.aac.ps.PS; import net.sourceforge.jaad.aac.syntax.BitStream; -public class SBR implements Constants, net.sourceforge.jaad.aac.syntax.Constants, HuffmanTables { - - private final boolean downSampledSBR; - final SampleFrequency sample_rate; - int maxAACLine; - - int rate; - boolean just_seeked; - int ret; - - boolean[] amp_res = new boolean[2]; - - int k0; - int kx; - int M; - int N_master; - int N_high; - int N_low; - int N_Q; - int[] N_L = new int[4]; - int[] n = new int[2]; - - int[] f_master = new int[64]; - int[][] f_table_res = new int[2][64]; - int[] f_table_noise = new int[64]; - int[][] f_table_lim = new int[4][64]; - - int[] table_map_k_to_g = new int[64]; - - int[] abs_bord_lead = new int[2]; - int[] abs_bord_trail = new int[2]; - int[] n_rel_lead = new int[2]; - int[] n_rel_trail = new int[2]; - - int[] L_E = new int[2]; - int[] L_E_prev = new int[2]; - int[] L_Q = new int[2]; - - int[][] t_E = new int[2][MAX_L_E+1]; - int[][] t_Q = new int[2][3]; - int[][] f = new int[2][MAX_L_E+1]; - int[] f_prev = new int[2]; - - float[][][] G_temp_prev = new float[2][5][64]; - float[][][] Q_temp_prev = new float[2][5][64]; - int[] GQ_ringbuf_index = new int[2]; - - int[][][] E = new int[2][64][MAX_L_E]; - int[][] E_prev = new int[2][64]; - float[][][] E_orig = new float[2][64][MAX_L_E]; - float[][][] E_curr = new float[2][64][MAX_L_E]; - int[][][] Q = new int[2][64][2]; - float[][][] Q_div = new float[2][64][2]; - float[][][] Q_div2 = new float[2][64][2]; - int[][] Q_prev = new int[2][64]; - - int[] l_A = new int[2]; - int[] l_A_prev = new int[2]; - - int[][] bs_invf_mode = new int[2][MAX_L_E]; - int[][] bs_invf_mode_prev = new int[2][MAX_L_E]; - float[][] bwArray = new float[2][64]; - float[][] bwArray_prev = new float[2][64]; - - int noPatches; - int[] patchNoSubbands = new int[64]; - int[] patchStartSubband = new int[64]; - - int[][] bs_add_harmonic = new int[2][64]; - int[][] bs_add_harmonic_prev = new int[2][64]; - - int[] index_noise_prev = new int[2]; - int[] psi_is_prev = new int[2]; - - int bs_start_freq_prev; - int bs_stop_freq_prev; - int bs_xover_band_prev; - int bs_freq_scale_prev; - boolean bs_alter_scale_prev; - int bs_noise_bands_prev; - - int[] prevEnvIsShort = new int[2]; - - int kx_prev; - int bsco; - int bsco_prev; - int M_prev; - - boolean Reset; - int frame; - int header_count; - - boolean stereo; - AnalysisFilterbank[] qmfa = new AnalysisFilterbank[2]; - SynthesisFilterbank[] qmfs = new SynthesisFilterbank[2]; - - float[][][][] Xsbr = new float[2][MAX_NTSRHFG][64][2]; - - int numTimeSlotsRate; - int numTimeSlots; - int tHFGen; - int tHFAdj; - - PS ps; - boolean ps_used; - boolean psResetFlag; - - /* to get it compiling */ - /* we'll see during the coding of all the tools, whether - these are all used or not. - */ - boolean bs_header_flag; - int bs_crc_flag; - int bs_sbr_crc_bits; - int bs_protocol_version; - boolean bs_amp_res; - int bs_start_freq; - int bs_stop_freq; - int bs_xover_band; - int bs_freq_scale; - boolean bs_alter_scale; - int bs_noise_bands; - int bs_limiter_bands; - int bs_limiter_gains; - boolean bs_interpol_freq; - boolean bs_smoothing_mode; - int bs_samplerate_mode; - boolean[] bs_add_harmonic_flag = new boolean[2]; - boolean[] bs_add_harmonic_flag_prev = new boolean[2]; - boolean bs_extended_data; - int bs_extension_id; - int bs_extension_data; - boolean bs_coupling; - int[] bs_frame_class = new int[2]; - int[][] bs_rel_bord = new int[2][9]; - int[][] bs_rel_bord_0 = new int[2][9]; - int[][] bs_rel_bord_1 = new int[2][9]; - int[] bs_pointer = new int[2]; - int[] bs_abs_bord_0 = new int[2]; - int[] bs_abs_bord_1 = new int[2]; - int[] bs_num_rel_0 = new int[2]; - int[] bs_num_rel_1 = new int[2]; - int[][] bs_df_env = new int[2][9]; - int[][] bs_df_noise = new int[2][3]; - - public SBR(boolean smallFrames, boolean stereo, SampleFrequency sample_rate, boolean downSampledSBR) { - this.downSampledSBR = downSampledSBR; - this.stereo = stereo; - this.sample_rate = sample_rate; - - this.bs_freq_scale = 2; - this.bs_alter_scale = true; - this.bs_noise_bands = 2; - this.bs_limiter_bands = 2; - this.bs_limiter_gains = 2; - this.bs_interpol_freq = true; - this.bs_smoothing_mode = true; - this.bs_start_freq = 5; - this.bs_amp_res = true; - this.bs_samplerate_mode = 1; - this.prevEnvIsShort[0] = -1; - this.prevEnvIsShort[1] = -1; - this.header_count = 0; - this.Reset = true; - - this.tHFGen = T_HFGEN; - this.tHFAdj = T_HFADJ; - - this.bsco = 0; - this.bsco_prev = 0; - this.M_prev = 0; - - /* force sbr reset */ - this.bs_start_freq_prev = -1; - - if(smallFrames) { - this.numTimeSlotsRate = RATE*NO_TIME_SLOTS_960; - this.numTimeSlots = NO_TIME_SLOTS_960; - } - else { - this.numTimeSlotsRate = RATE*NO_TIME_SLOTS; - this.numTimeSlots = NO_TIME_SLOTS; - } - - this.GQ_ringbuf_index[0] = 0; - this.GQ_ringbuf_index[1] = 0; - - if(stereo) { - /* stereo */ - int j; - this.qmfa[0] = new AnalysisFilterbank(32); - this.qmfa[1] = new AnalysisFilterbank(32); - this.qmfs[0] = new SynthesisFilterbank((downSampledSBR) ? 32 : 64); - this.qmfs[1] = new SynthesisFilterbank((downSampledSBR) ? 32 : 64); - } - else { - /* mono */ - this.qmfa[0] = new AnalysisFilterbank(32); - this.qmfs[0] = new SynthesisFilterbank((downSampledSBR) ? 32 : 64); - this.qmfs[1] = null; - } - } - - void sbrReset() { - int j; - if(this.qmfa[0]!=null) qmfa[0].reset(); - if(this.qmfa[1]!=null) qmfa[1].reset(); - if(this.qmfs[0]!=null) qmfs[0].reset(); - if(this.qmfs[1]!=null) qmfs[1].reset(); - - for(j = 0; j<5; j++) { - if(this.G_temp_prev[0][j]!=null) Arrays.fill(G_temp_prev[0][j], 0); - if(this.G_temp_prev[1][j]!=null) Arrays.fill(G_temp_prev[1][j], 0); - if(this.Q_temp_prev[0][j]!=null) Arrays.fill(Q_temp_prev[0][j], 0); - if(this.Q_temp_prev[1][j]!=null) Arrays.fill(Q_temp_prev[1][j], 0); - } - - for(int i = 0; i<40; i++) { - for(int k = 0; k<64; k++) { - Xsbr[0][i][j][0] = 0; - Xsbr[0][i][j][1] = 0; - Xsbr[1][i][j][0] = 0; - Xsbr[1][i][j][1] = 0; - } - } - - this.GQ_ringbuf_index[0] = 0; - this.GQ_ringbuf_index[1] = 0; - this.header_count = 0; - this.Reset = true; - - this.L_E_prev[0] = 0; - this.L_E_prev[1] = 0; - this.bs_freq_scale = 2; - this.bs_alter_scale = true; - this.bs_noise_bands = 2; - this.bs_limiter_bands = 2; - this.bs_limiter_gains = 2; - this.bs_interpol_freq = true; - this.bs_smoothing_mode = true; - this.bs_start_freq = 5; - this.bs_amp_res = true; - this.bs_samplerate_mode = 1; - this.prevEnvIsShort[0] = -1; - this.prevEnvIsShort[1] = -1; - this.bsco = 0; - this.bsco_prev = 0; - this.M_prev = 0; - this.bs_start_freq_prev = -1; - - this.f_prev[0] = 0; - this.f_prev[1] = 0; - for(j = 0; j=48000) { - if((k2-this.k0)>32) - result += 1; - } - else if(this.sample_rate.getFrequency()<=32000) { - if((k2-this.k0)>48) - result += 1; - } - else { /* (sbr.sample_rate == 44100) */ - - if((k2-this.k0)>45) - result += 1; - } - - if(freq_scale==0) { - result += FBT.master_frequency_table_fs0(this, this.k0, k2, alter_scale); - } - else { - result += FBT.master_frequency_table(this, this.k0, k2, freq_scale, alter_scale); - } - result += FBT.derived_frequency_table(this, xover_band, k2); - - result = (result>0) ? 1 : 0; - - return result; - } - - /* table 2 */ - public int decode(BitStream ld, int cnt) throws AACException { - int result = 0; - int num_align_bits = 0; - long num_sbr_bits1 = ld.getPosition(); - int num_sbr_bits2; - - int saved_start_freq, saved_samplerate_mode; - int saved_stop_freq, saved_freq_scale; - int saved_xover_band; - boolean saved_alter_scale; - - int bs_extension_type = ld.readBits(4); - - if(bs_extension_type==EXT_SBR_DATA_CRC) { - this.bs_sbr_crc_bits = ld.readBits(10); - } - - /* save old header values, in case the new ones are corrupted */ - saved_start_freq = this.bs_start_freq; - saved_samplerate_mode = this.bs_samplerate_mode; - saved_stop_freq = this.bs_stop_freq; - saved_freq_scale = this.bs_freq_scale; - saved_alter_scale = this.bs_alter_scale; - saved_xover_band = this.bs_xover_band; - - this.bs_header_flag = ld.readBool(); - - if(this.bs_header_flag) - sbr_header(ld); - - /* Reset? */ - sbr_reset(); - - /* first frame should have a header */ - //if (!(sbr.frame == 0 && sbr.bs_header_flag == 0)) - if(this.header_count!=0) { - if(this.Reset||(this.bs_header_flag&&this.just_seeked)) { - int rt = calc_sbr_tables(this.bs_start_freq, this.bs_stop_freq, - this.bs_samplerate_mode, this.bs_freq_scale, - this.bs_alter_scale, this.bs_xover_band); - - /* if an error occured with the new header values revert to the old ones */ - if(rt>0) { - calc_sbr_tables(saved_start_freq, saved_stop_freq, - saved_samplerate_mode, saved_freq_scale, - saved_alter_scale, saved_xover_band); - } - } - - if(result==0) { - result = sbr_data(ld); - - /* sbr_data() returning an error means that there was an error in - envelope_time_border_vector(). - In this case the old time border vector is saved and all the previous - data normally read after sbr_grid() is saved. - */ - /* to be on the safe side, calculate old sbr tables in case of error */ - if((result>0) - &&(this.Reset||(this.bs_header_flag&&this.just_seeked))) { - calc_sbr_tables(saved_start_freq, saved_stop_freq, - saved_samplerate_mode, saved_freq_scale, - saved_alter_scale, saved_xover_band); - } - - /* we should be able to safely set result to 0 now, */ - /* but practise indicates this doesn't work well */ - } - } - else { - result = 1; - } - - num_sbr_bits2 = (int) (ld.getPosition()-num_sbr_bits1); - - /* check if we read more bits then were available for sbr */ - if(8*cnt7) { - ld.readBits(8); - num_align_bits -= 8; - } - ld.readBits(num_align_bits); - } - - return result; - } - - /* table 3 */ - private void sbr_header(BitStream ld) throws AACException { - boolean bs_header_extra_1, bs_header_extra_2; - - this.header_count++; - - this.bs_amp_res = ld.readBool(); - - /* bs_start_freq and bs_stop_freq must define a fequency band that does - not exceed 48 channels */ - this.bs_start_freq = ld.readBits(4); - this.bs_stop_freq = ld.readBits(4); - this.bs_xover_band = ld.readBits(3); - ld.readBits(2); //reserved - bs_header_extra_1 = ld.readBool(); - bs_header_extra_2 = ld.readBool(); - - if(bs_header_extra_1) { - this.bs_freq_scale = ld.readBits(2); - this.bs_alter_scale = ld.readBool(); - this.bs_noise_bands = ld.readBits(2); - } - else { - /* Default values */ - this.bs_freq_scale = 2; - this.bs_alter_scale = true; - this.bs_noise_bands = 2; - } - - if(bs_header_extra_2) { - this.bs_limiter_bands = ld.readBits(2); - this.bs_limiter_gains = ld.readBits(2); - this.bs_interpol_freq = ld.readBool(); - this.bs_smoothing_mode = ld.readBool(); - } - else { - /* Default values */ - this.bs_limiter_bands = 2; - this.bs_limiter_gains = 2; - this.bs_interpol_freq = true; - this.bs_smoothing_mode = true; - } - - } - - /* table 4 */ - private int sbr_data(BitStream ld) throws AACException { - int result; - - this.rate = (this.bs_samplerate_mode!=0) ? 2 : 1; - - if(stereo) { - if((result = sbr_channel_pair_element(ld))>0) - return result; - } - else { - if((result = sbr_single_channel_element(ld))>0) - return result; - } - - return 0; - } - - /* table 5 */ - private int sbr_single_channel_element(BitStream ld) throws AACException { - int result; - - if(ld.readBool()) { - ld.readBits(4); //reserved - } - - if((result = sbr_grid(ld, 0))>0) - return result; - - sbr_dtdf(ld, 0); - invf_mode(ld, 0); - sbr_envelope(ld, 0); - sbr_noise(ld, 0); - - NoiseEnvelope.dequantChannel(this, 0); - - Arrays.fill(bs_add_harmonic[0], 0, 64, 0); - Arrays.fill(bs_add_harmonic[1], 0, 64, 0); - - this.bs_add_harmonic_flag[0] = ld.readBool(); - if(this.bs_add_harmonic_flag[0]) - sinusoidal_coding(ld, 0); - - this.bs_extended_data = ld.readBool(); - - if(this.bs_extended_data) { - int nr_bits_left; - int ps_ext_read = 0; - int cnt = ld.readBits(4); - if(cnt==15) { - cnt += ld.readBits(8); - } - - nr_bits_left = 8*cnt; - while(nr_bits_left>7) { - int tmp_nr_bits = 0; - - this.bs_extension_id = ld.readBits(2); - tmp_nr_bits += 2; - - /* allow only 1 PS extension element per extension data */ - if(this.bs_extension_id==EXTENSION_ID_PS) { - if(ps_ext_read==0) { - ps_ext_read = 1; - } - else { - /* to be safe make it 3, will switch to "default" - * in sbr_extension() */ - this.bs_extension_id = 3; - } - } - - tmp_nr_bits += sbr_extension(ld, this.bs_extension_id, nr_bits_left); - - /* check if the data read is bigger than the number of available bits */ - if(tmp_nr_bits>nr_bits_left) - return 1; - - nr_bits_left -= tmp_nr_bits; - } - - /* Corrigendum */ - if(nr_bits_left>0) { - ld.readBits(nr_bits_left); - } - } - - return 0; - } - - /* table 6 */ - private int sbr_channel_pair_element(BitStream ld) throws AACException { - int n, result; - - if(ld.readBool()) { - //reserved - ld.readBits(4); - ld.readBits(4); - } - - this.bs_coupling = ld.readBool(); - - if(this.bs_coupling) { - if((result = sbr_grid(ld, 0))>0) - return result; - - /* need to copy some data from left to right */ - this.bs_frame_class[1] = this.bs_frame_class[0]; - this.L_E[1] = this.L_E[0]; - this.L_Q[1] = this.L_Q[0]; - this.bs_pointer[1] = this.bs_pointer[0]; - - for(n = 0; n<=this.L_E[0]; n++) { - this.t_E[1][n] = this.t_E[0][n]; - this.f[1][n] = this.f[0][n]; - } - for(n = 0; n<=this.L_Q[0]; n++) { - this.t_Q[1][n] = this.t_Q[0][n]; - } - - sbr_dtdf(ld, 0); - sbr_dtdf(ld, 1); - invf_mode(ld, 0); - - /* more copying */ - for(n = 0; n0) - return result; - if((result = sbr_grid(ld, 1))>0) { - /* restore first channel data as well */ - this.bs_frame_class[0] = saved_frame_class; - this.L_E[0] = saved_L_E; - this.L_Q[0] = saved_L_Q; - for(n = 0; n<6; n++) { - this.t_E[0][n] = saved_t_E[n]; - } - for(n = 0; n<3; n++) { - this.t_Q[0][n] = saved_t_Q[n]; - } - - return result; - } - sbr_dtdf(ld, 0); - sbr_dtdf(ld, 1); - invf_mode(ld, 0); - invf_mode(ld, 1); - sbr_envelope(ld, 0); - sbr_envelope(ld, 1); - sbr_noise(ld, 0); - sbr_noise(ld, 1); - - Arrays.fill(bs_add_harmonic[0], 0, 64, 0); - Arrays.fill(bs_add_harmonic[1], 0, 64, 0); - - this.bs_add_harmonic_flag[0] = ld.readBool(); - if(this.bs_add_harmonic_flag[0]) - sinusoidal_coding(ld, 0); - - this.bs_add_harmonic_flag[1] = ld.readBool(); - if(this.bs_add_harmonic_flag[1]) - sinusoidal_coding(ld, 1); - } - NoiseEnvelope.dequantChannel(this, 0); - NoiseEnvelope.dequantChannel(this, 1); - - if(this.bs_coupling) - NoiseEnvelope.unmap(this); - - this.bs_extended_data = ld.readBool(); - if(this.bs_extended_data) { - int nr_bits_left; - int cnt = ld.readBits(4); - if(cnt==15) { - cnt += ld.readBits(8); - } - - nr_bits_left = 8*cnt; - while(nr_bits_left>7) { - int tmp_nr_bits = 0; - - this.bs_extension_id = ld.readBits(2); - tmp_nr_bits += 2; - tmp_nr_bits += sbr_extension(ld, this.bs_extension_id, nr_bits_left); - - /* check if the data read is bigger than the number of available bits */ - if(tmp_nr_bits>nr_bits_left) - return 1; - - nr_bits_left -= tmp_nr_bits; - } - - /* Corrigendum */ - if(nr_bits_left>0) { - ld.readBits(nr_bits_left); - } - } - - return 0; - } - - /* integer log[2](x): input range [0,10) */ - private int sbr_log2(int val) { - int log2tab[] = {0, 0, 1, 2, 2, 3, 3, 3, 3, 4}; - if(val<10&&val>=0) - return log2tab[val]; - else - return 0; - } - - - /* table 7 */ - private int sbr_grid(BitStream ld, int ch) throws AACException { - int i, env, rel, result; - int bs_abs_bord, bs_abs_bord_1; - int bs_num_env = 0; - int saved_L_E = this.L_E[ch]; - int saved_L_Q = this.L_Q[ch]; - int saved_frame_class = this.bs_frame_class[ch]; - - this.bs_frame_class[ch] = ld.readBits(2); - - switch(this.bs_frame_class[ch]) { - case FIXFIX: - i = ld.readBits(2); - - bs_num_env = Math.min(1<1) - this.L_Q[ch] = 2; - else - this.L_Q[ch] = 1; - - /* TODO: this code can probably be integrated into the code above! */ - if((result = TFGrid.envelope_time_border_vector(this, ch))>0) { - this.bs_frame_class[ch] = saved_frame_class; - this.L_E[ch] = saved_L_E; - this.L_Q[ch] = saved_L_Q; - return result; - } - TFGrid.noise_floor_time_border_vector(this, ch); - - return 0; - } - - /* table 8 */ - private void sbr_dtdf(BitStream ld, int ch) throws AACException { - int i; - - for(i = 0; i=0) { - bit = ld.readBit(); - index = t_huff[index][bit]; - } - - return index+64; - } - - private int sbr_save_prev_data(int ch) { - int i; - - /* save data for next frame */ - this.kx_prev = this.kx; - this.M_prev = this.M; - this.bsco_prev = this.bsco; - - this.L_E_prev[ch] = this.L_E[ch]; - - /* sbr.L_E[ch] can become 0 on files with bit errors */ - if(this.L_E[ch]<=0) - return 19; - - this.f_prev[ch] = this.f[ch][this.L_E[ch]-1]; - for(i = 0; i0) { - dont_process = true; - } - } - - if(this.just_seeked||dont_process) { - for(l = 0; l= 48000) { + if ((k2 - this.k0) > 32) + result += 1; + } else if (this.sample_rate.getFrequency() <= 32000) { + if ((k2 - this.k0) > 48) + result += 1; + } else { /* (sbr.sample_rate == 44100) */ + + if ((k2 - this.k0) > 45) + result += 1; + } + + if (hdr.bs_freq_scale == 0) { + result += FBT.master_frequency_table_fs0(this, this.k0, k2, hdr.bs_alter_scale); + } else { + result += FBT.master_frequency_table(this, this.k0, k2, hdr.bs_freq_scale, hdr.bs_alter_scale); + } + result += FBT.derived_frequency_table(this, hdr.bs_xover_band, k2); + + result = (result > 0) ? 1 : 0; + + return result; + } + + /* table 2 */ + public void decode(BitStream ld, boolean crc) { + + if (crc) { + this.bs_sbr_crc_bits = ld.readBits(10); + } else + this.bs_sbr_crc_bits = -1; + + reset = readHeader(ld); + + if (reset) { + int rt = calc_sbr_tables(this.hdr); + + /* if an error occurred with the new header values revert to the old ones */ + if (rt > 0) { + calc_sbr_tables(swapHeaders()); + } + } + + if (this.hdr != null) { + int result = sbr_data(ld); + + valid = (result == 0); + } else + valid = true; + } + + /** + * Save current header and return the previously saved header. + * + * @return the saved header. + */ + private Header swapHeaders() { + + // save current header and recycle old one (if exists) + Header hdr = this.hdr_saved; + this.hdr_saved = this.hdr; + + if (hdr == null) + hdr = new Header(); + this.hdr = hdr; + + return hdr; + } + + /** + * Read a new header and return if the header parameter changed. + * See: 5.3.1 Decoding process. + * + * @param ld input data. + * @return true if relevant parameters changed. + */ + private boolean readHeader(BitStream ld) { + boolean bs_header_flag = ld.readBool(); + + if (bs_header_flag) { + Header hdr = swapHeaders(); + hdr.decode(ld); + return hdr.differs(hdr_saved); + } else + return false; + } + + abstract protected int sbr_data(BitStream ld); + + public abstract void process(float[] left_chan, float[] right_chan); + + protected void readExtendedData(BitStream ld) { + boolean bs_extended_data = ld.readBool(); + if (bs_extended_data) { + + int cnt = ld.readBits(4); + if (cnt == 15) { + cnt += ld.readBits(8); + } + + ld = ld.readSubStream(8 * cnt); + while (ld.getBitsLeft() > 7) { + int bs_extension_id = ld.readBits(2); + sbr_extension(ld, bs_extension_id); + } + } + } + + protected void sbr_extension(BitStream ld, int bs_extension_id) { + + } + + /* table 12 */ + protected void sinusoidal_coding(BitStream ld, Channel ch) { + + for (int n = 0; n < this.N_high; n++) { + ch.bs_add_harmonic[n] = ld.readBit(); + } + } + + protected void sbr_save_prev_data(Channel ch) { + + /* save data for next frame */ + this.kx_prev = this.kx; + this.M_prev = this.M; + this.bsco_prev = this.bsco; + + ch.L_E_prev = ch.L_E; + + /* sbr.L_E[ch] can become 0 on files with bit errors */ + if (ch.L_E <= 0) + throw new AACException("L_E<0"); + + ch.f_prev = ch.f[ch.L_E - 1]; + for (int i = 0; i < MAX_M; i++) { + ch.E_prev[i] = ch.E[i][ch.L_E - 1]; + ch.Q_prev[i] = ch.Q[i][ch.L_Q - 1]; + } + + System.arraycopy(ch.bs_add_harmonic, 0, ch.bs_add_harmonic_prev, 0, MAX_M); + ch.bs_add_harmonic_flag_prev = ch.bs_add_harmonic_flag; + + if (ch.l_A == ch.L_E) + ch.prevEnvIsShort = 0; + else + ch.prevEnvIsShort = -1; + } + + protected void sbr_save_matrix(Channel ch) { + + for (int i = 0; i < this.tHFGen; i++) { + for (int j = 0; j < 64; j++) { + ch.Xsbr[i][j][0] = ch.Xsbr[i + numTimeSlotsRate][j][0]; + ch.Xsbr[i][j][1] = ch.Xsbr[i + numTimeSlotsRate][j][1]; + } + } + for (int i = this.tHFGen; i < Channel.MAX_NTSRHFG; i++) { + for (int j = 0; j < 64; j++) { + ch.Xsbr[i][j][0] = 0; + ch.Xsbr[i][j][1] = 0; + } + } + } + + public static void upsample(float[] data) { + + for (int i = data.length / 2 - 1; i > 0; --i) { + float v = data[i]; + data[2 * i] = v; + data[2 * i + 1] = v; + } + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/SBR1.java b/src/main/java/net/sourceforge/jaad/aac/sbr/SBR1.java new file mode 100644 index 00000000..f4903a5d --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/SBR1.java @@ -0,0 +1,140 @@ +package net.sourceforge.jaad.aac.sbr; + +import net.sourceforge.jaad.aac.DecoderConfig; +import net.sourceforge.jaad.aac.syntax.BitStream; + +import java.util.Arrays; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 13.05.21 + * Time: 19:12 + */ +public class SBR1 extends SBR { + + static final int EXTENSION_ID_PS = 2; + + final Channel ch0; + + final SynthesisFilterbank qmfs0; + SynthesisFilterbank qmfs1; + + PS ps; + + public SBR1(DecoderConfig config) { + super(config); + + ch0 = new Channel(this); + qmfs0 = openFilterbank(); + } + + + /* table 5 */ + protected int sbr_data(BitStream ld) { + int result; + + if(ld.readBool()) { + ld.readBits(4); //reserved + } + + if((result = ch0.sbr_grid(ld))>0) + return result; + + ch0.sbr_dtdf(ld); + ch0.invf_mode(ld); + ch0.sbr_envelope(ld,false); + ch0.sbr_noise(ld,false); + + NoiseEnvelope.dequantChannel(this, ch0); + + Arrays.fill(ch0.bs_add_harmonic, 0, 64, 0); + + ch0.bs_add_harmonic_flag = ld.readBool(); + if(ch0.bs_add_harmonic_flag) + sinusoidal_coding(ld, ch0); + + readExtendedData(ld); + + return 0; + } + + protected void sbr_extension(BitStream ld, int bs_extension_id) { + if(bs_extension_id==EXTENSION_ID_PS && config.isPSEnabled()) { + if(ps==null) { + this.ps = config.openPS(this); + this.qmfs1 = openFilterbank(); + } + + ps.decode(ld); + + } else + super.sbr_extension(ld, bs_extension_id); + } + + public void process(float[] left_chan, float[] right_chan) { + if(isPSUsed()) { + processPS(left_chan, right_chan); + } else { + process(left_chan); + System.arraycopy(left_chan, 0, right_chan, 0, right_chan.length); + } + } + + + private void process(float[] channel) { + float[][][] X = new float[MAX_NTSR][64][2]; + + ch0.process_channel(channel, X, this.reset); + + /* subband synthesis */ + qmfs0.synthesis(numTimeSlotsRate, X, channel); + + if(this.hdr!=null) { + sbr_save_prev_data(ch0); + } + + sbr_save_matrix(ch0); + + this.frame++; + } + + private int processPS(float[] left_channel, float[] right_channel) { + int ret = 0; + float[][][] X_left = new float[MAX_NTSR+6][64][2]; + float[][][] X_right = new float[MAX_NTSR+6][64][2]; + + ch0.process_channel(left_channel, X_left, this.reset); + + /* copy some extra data for PS */ + for(int l = this.numTimeSlotsRate; l 0) + return result; + + ch0.sbr_dtdf(ld); + ch1.sbr_dtdf(ld); + ch0.invf_mode(ld); + + /* need to copy some data from left to right */ + ch1.couple(ch0, N_Q); + + ch0.sbr_envelope(ld, false); + ch0.sbr_noise(ld, false); + + ch1.sbr_envelope(ld, this.bs_coupling); + ch1.sbr_noise(ld, this.bs_coupling); + + Arrays.fill(ch0.bs_add_harmonic, 0, 64, 0); + Arrays.fill(ch1.bs_add_harmonic, 0, 64, 0); + + ch0.bs_add_harmonic_flag = ld.readBool(); + if (ch0.bs_add_harmonic_flag) + sinusoidal_coding(ld, ch0); + + ch1.bs_add_harmonic_flag = ld.readBool(); + if (ch1.bs_add_harmonic_flag) + sinusoidal_coding(ld, ch1); + } else { + int[] saved_t_E = new int[6], saved_t_Q = new int[3]; + int saved_L_E = ch0.L_E; + int saved_L_Q = ch0.L_Q; + FrameClass saved_frame_class = ch0.bs_frame_class; + + for (int n = 0; n < saved_L_E; n++) { + saved_t_E[n] = ch0.t_E[n]; + } + for (int n = 0; n < saved_L_Q; n++) { + saved_t_Q[n] = ch0.t_Q[n]; + } + + if ((result = ch0.sbr_grid(ld)) > 0) + return result; + + if ((result = ch1.sbr_grid(ld)) > 0) { + /* restore first channel data as well */ + ch0.bs_frame_class = saved_frame_class; + ch0.L_E = saved_L_E; + ch0.L_Q = saved_L_Q; + for (int n = 0; n < 6; n++) { + ch0.t_E[n] = saved_t_E[n]; + } + for (int n = 0; n < 3; n++) { + ch0.t_Q[n] = saved_t_Q[n]; + } + + return result; + } + ch0.sbr_dtdf(ld); + ch1.sbr_dtdf(ld); + ch0.invf_mode(ld); + ch1.invf_mode(ld); + ch0.sbr_envelope(ld, false); + ch1.sbr_envelope(ld, false); + ch0.sbr_noise(ld, this.bs_coupling); + ch1.sbr_noise(ld, this.bs_coupling); + + Arrays.fill(ch0.bs_add_harmonic, 0, 64, 0); + Arrays.fill(ch1.bs_add_harmonic, 0, 64, 0); + + ch0.bs_add_harmonic_flag = ld.readBool(); + if (ch0.bs_add_harmonic_flag) + sinusoidal_coding(ld, ch0); + + ch1.bs_add_harmonic_flag = ld.readBool(); + if (ch1.bs_add_harmonic_flag) + sinusoidal_coding(ld, ch1); + } + + if (!this.bs_coupling) { + NoiseEnvelope.dequantChannel(this, ch0); + NoiseEnvelope.dequantChannel(this, ch1); + } else { + NoiseEnvelope.unmap(this); + } + + readExtendedData(ld); + + return 0; + } + + public void process(float[] left_chan, float[] right_chan) { + float[][][] X = new float[MAX_NTSR][64][2]; + + ch0.process_channel(left_chan, X, this.reset); + /* subband synthesis */ + qmfs0.synthesis(numTimeSlotsRate, X, left_chan); + + ch1.process_channel(right_chan, X, false); + /* subband synthesis */ + qmfs1.synthesis(numTimeSlotsRate, X, right_chan); + + if (this.hdr != null) { + sbr_save_prev_data(ch0); + sbr_save_prev_data(ch1); + } + + sbr_save_matrix(ch0); + sbr_save_matrix(ch1); + + this.frame++; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/sbr/SynthesisFilterbank.java b/src/main/java/net/sourceforge/jaad/aac/sbr/SynthesisFilterbank.java index be4eeb62..07a8629b 100644 --- a/src/main/java/net/sourceforge/jaad/aac/sbr/SynthesisFilterbank.java +++ b/src/main/java/net/sourceforge/jaad/aac/sbr/SynthesisFilterbank.java @@ -2,1031 +2,12 @@ import java.util.Arrays; -class SynthesisFilterbank implements FilterbankTable { - private static final float[][] qmf32_pre_twiddle = { - {0.999924701839145f, -0.012271538285720f}, - {0.999322384588350f, -0.036807222941359f}, - {0.998118112900149f, -0.061320736302209f}, - {0.996312612182778f, -0.085797312344440f}, - {0.993906970002356f, -0.110222207293883f}, - {0.990902635427780f, -0.134580708507126f}, - {0.987301418157858f, -0.158858143333861f}, - {0.983105487431216f, -0.183039887955141f}, - {0.978317370719628f, -0.207111376192219f}, - {0.972939952205560f, -0.231058108280671f}, - {0.966976471044852f, -0.254865659604515f}, - {0.960430519415566f, -0.278519689385053f}, - {0.953306040354194f, -0.302005949319228f}, - {0.945607325380521f, -0.325310292162263f}, - {0.937339011912575f, -0.348418680249435f}, - {0.928506080473216f, -0.371317193951838f}, - {0.919113851690058f, -0.393992040061048f}, - {0.909167983090522f, -0.416429560097637f}, - {0.898674465693954f, -0.438616238538528f}, - {0.887639620402854f, -0.460538710958240f}, - {0.876070094195407f, -0.482183772079123f}, - {0.863972856121587f, -0.503538383725718f}, - {0.851355193105265f, -0.524589682678469f}, - {0.838224705554838f, -0.545324988422046f}, - {0.824589302785025f, -0.565731810783613f}, - {0.810457198252595f, -0.585797857456439f}, - {0.795836904608884f, -0.605511041404326f}, - {0.780737228572094f, -0.624859488142386f}, - {0.765167265622459f, -0.643831542889791f}, - {0.749136394523459f, -0.662415777590172f}, - {0.732654271672413f, -0.680600997795453f}, - {0.715730825283819f, -0.698376249408973f} - }; +abstract class SynthesisFilterbank extends Filterbank { - private float[] v; //double ringbuffer - private int v_index; //ringbuffer index - private final int channels; - - public SynthesisFilterbank(int channels) { - this.channels = channels; - v = new float[2*channels*20]; - v_index = 0; - } - - public void reset() { - Arrays.fill(v, 0); - } - - void sbr_qmf_synthesis_32(SBR sbr, float[][][] X, - float[] output) { - float[] x1 = new float[32], x2 = new float[32]; - float scale = 1.f/64.f; - int n, k, out = 0; - int l; - - - /* qmf subsample l */ - for(l = 0; l1) { - int i = sbr.L_E[ch]; - border = sbr.abs_bord_trail[ch]; - - for(l = 0; l<(sbr.L_E[ch]-1); l++) { - if(border1) { - int i = 1; - border = sbr.abs_bord_lead[ch]; - - for(l = 0; l<(sbr.L_E[ch]-1); l++) { - border += sbr.bs_rel_bord[ch][l]; - - if(sbr.rate*border+sbr.tHFAdj>sbr.numTimeSlotsRate+sbr.tHFGen) - return 1; - - t_E_temp[i++] = sbr.rate*border; - } - } - break; - - case VARVAR: - if(sbr.bs_num_rel_0[ch]!=0) { - int i = 1; - border = sbr.abs_bord_lead[ch]; - - for(l = 0; lsbr.numTimeSlotsRate+sbr.tHFGen) - return 1; - - t_E_temp[i++] = sbr.rate*border; - } - } - - if(sbr.bs_num_rel_1[ch]!=0) { - int i = sbr.L_E[ch]; - border = sbr.abs_bord_trail[ch]; - - for(l = 0; l1) - retval = sbr.L_E[ch]+1-sbr.bs_pointer[ch]; - else - retval = sbr.L_E[ch]-1; - break; - } - - return (retval>0) ? retval : 0; - } - -} diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/BitStream.java b/src/main/java/net/sourceforge/jaad/aac/syntax/BitStream.java index d8050e14..eb71b208 100644 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/BitStream.java +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/BitStream.java @@ -1,176 +1,48 @@ package net.sourceforge.jaad.aac.syntax; -import net.sourceforge.jaad.aac.AACException; - -public class BitStream { - - private static final int WORD_BITS = 32; - private static final int WORD_BYTES = 4; - private static final int BYTE_MASK = 0xff; - private byte[] buffer; - private int pos; //offset in the buffer array - private int cache; //current 4 bytes, that are read from the buffer - protected int bitsCached; //remaining bits in current cache - protected int position; //number of total bits read - - public BitStream() { - } - - public BitStream(byte[] data) { - setData(data); - } - - public void destroy() { - reset(); - buffer = null; - } - - public final void setData(byte[] data) { - //make the buffer size an integer number of words - final int size = WORD_BYTES*((data.length+WORD_BYTES-1)/WORD_BYTES); - //only reallocate if needed - if(buffer==null||buffer.length!=size) buffer = new byte[size]; - System.arraycopy(data, 0, buffer, 0, data.length); - reset(); - } - - public void byteAlign() throws AACException { - final int toFlush = bitsCached&7; - if(toFlush>0) skipBits(toFlush); - } - - public final void reset() { - pos = 0; - bitsCached = 0; - cache = 0; - position = 0; - } - - public int getPosition() { - return position; - } - - public int getBitsLeft() { - return 8*(buffer.length-pos)+bitsCached; - } - - /** - * Reads the next four bytes. - * @param peek if true, the stream pointer will not be increased - */ - protected int readCache(boolean peek) throws AACException { - int i; - if(pos>buffer.length-WORD_BYTES) throw new AACException("end of stream", true); - else i = ((buffer[pos]&BYTE_MASK)<<24) - |((buffer[pos+1]&BYTE_MASK)<<16) - |((buffer[pos+2]&BYTE_MASK)<<8) - |(buffer[pos+3]&BYTE_MASK); - if(!peek) pos += WORD_BYTES; - return i; - } - - public int readBits(int n) throws AACException { - int result; - if(bitsCached>=n) { - bitsCached -= n; - result = (cache>>bitsCached)&maskBits(n); - position += n; - } - else { - position += n; - final int c = cache&maskBits(bitsCached); - final int left = n-bitsCached; - cache = readCache(false); - bitsCached = WORD_BITS-left; - result = ((cache>>bitsCached)&maskBits(left))|(c<0) { - bitsCached--; - i = (cache>>(bitsCached))&1; - position++; - } - else { - cache = readCache(false); - bitsCached = WORD_BITS-1; - position++; - i = (cache>>bitsCached)&1; - } - return i; - } - - public boolean readBool() throws AACException { - return (readBit()&0x1)!=0; - } - - public int peekBits(int n) throws AACException { - int ret; - if(bitsCached>=n) { - ret = (cache>>(bitsCached-n))&maskBits(n); - } - else { - //old cache - final int c = cache&maskBits(bitsCached); - n -= bitsCached; - //read next & combine - ret = ((readCache(true)>>WORD_BITS-n)&maskBits(n))|(c<0) { - ret = (cache>>(bitsCached-1))&1; - } - else { - final int word = readCache(true); - ret = (word>>WORD_BITS-1)&1; - } - return ret; - } - - public void skipBits(int n) throws AACException { - position += n; - if(n<=bitsCached) { - bitsCached -= n; - } - else { - n -= bitsCached; - while(n>=WORD_BITS) { - n -= WORD_BITS; - readCache(false); - } - if(n>0) { - cache = readCache(false); - bitsCached = WORD_BITS-n; - } - else { - cache = 0; - bitsCached = 0; - } - } - } - - public void skipBit() throws AACException { - position++; - if(bitsCached>0) { - bitsCached--; - } - else { - cache = readCache(false); - bitsCached = WORD_BITS-1; - } - } - - public int maskBits(int n) { - int i; - if(n==32) i = -1; - else i = (1< 8) + throw new IllegalArgumentException(); + + return (byte) readBits(n); + } + + default short readShort(int n) { + if (n > 16) + throw new IllegalArgumentException(); + + return (short) readBits(n); + } + + int readBit(); + + boolean readBool(); + + int peekBits(int n); + + void skipBits(int n); + + void skipBit(); + + void byteAlign(); + + BitStream readSubStream(int n); + + static BitStream open(byte[] data) { + return new ByteArrayBitStream(data); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/ByteArrayBitStream.java b/src/main/java/net/sourceforge/jaad/aac/syntax/ByteArrayBitStream.java new file mode 100644 index 00000000..89f09e28 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/ByteArrayBitStream.java @@ -0,0 +1,274 @@ +package net.sourceforge.jaad.aac.syntax; + +import java.util.logging.Level; +import java.util.logging.Logger; + +import net.sourceforge.jaad.aac.EOSException; + + +public class ByteArrayBitStream implements BitStream { + + static final Logger LOGGER = Logger.getLogger(ByteArrayBitStream.class.getName()); + + private static final int WORD_BITS = 32; + private static final int WORD_BYTES = 4; + private static final int BYTE_MASK = 0xff; + + private byte[] buffer; + /** # of bits in buffer */ + private int length; + /** offset in the buffer array */ + private int pos; + /** current 4 bytes, that are read from the buffer */ + private int cache; + /** remaining bits in current cache */ + protected int bitsCached; + /** number of total bits read */ + protected int position; + + public String toString() { + if (buffer == null) + return "[]"; + else + return String.format("[%d;%d]", getPosition(), length); + } + + ByteArrayBitStream() { + } + + /** + * Clone a subset of another BitStream + * + * @param other BitStream + * @param size of this sub stream + */ + ByteArrayBitStream(ByteArrayBitStream other, int size) { + + if (other.getBitsLeft() < size) throw new EOSException("stream overrun"); + + this.length = other.position + size; + this.buffer = other.buffer; + this.pos = other.pos; + this.cache = other.cache; + this.bitsCached = other.bitsCached; + this.position = other.position; + + other.skipBits(size); + } + + ByteArrayBitStream(byte[] data) { + setData(data); + } + + public void destroy() { + reset(); + buffer = null; + } + + public final void setData(byte[] data) { + reset(); + + int size = data.length; + this.length = 8 * size; + + // reduce the buffer size to an integer number of words + int shift = size % WORD_BYTES; + + // push leading bytes to cache + bitsCached = 8 * shift; + + for (int i = 0; i < shift; ++i) { + byte c = data[i]; + cache <<= 8; + cache |= 0xff & c; + } + + size -= shift; + + // only reallocate if needed + if (buffer == null || buffer.length != size) + buffer = new byte[size]; + + System.arraycopy(data, shift, buffer, 0, buffer.length); + } + + @Override + public BitStream readSubStream(int n) { + if (getBitsLeft() < n) + throw new EOSException("stream overrun"); + + return new ByteArrayBitStream(this, n); + } + + public void byteAlign() { + LOGGER.log(Level.FINER, "@%d byteAlign: %d", position); + int toFlush = bitsCached & 7; + if (toFlush > 0) + skipBits(toFlush); + } + + public final void reset() { + pos = 0; + length = 0; + bitsCached = 0; + cache = 0; + position = 0; + } + + public int getPosition() { + return position; + } + + public int getBitsLeft() { + return length - position; + } + + /** + * Reads the next four bytes. + * + * @param peek if true, the stream pointer will not be increased + */ + protected int readCache(boolean peek) { + int i; + if (pos > buffer.length - WORD_BYTES) + throw new EOSException("end of stream"); + + else i = ((buffer[pos] & BYTE_MASK) << 24) + | ((buffer[pos + 1] & BYTE_MASK) << 16) + | ((buffer[pos + 2] & BYTE_MASK) << 8) + | (buffer[pos + 3] & BYTE_MASK); + if (!peek) + pos += WORD_BYTES; + return i; + } + + public int readBits(int n) { + LOGGER.log(n == 0 ? Level.FINEST : Level.FINER, "@%d readBits: %d", n); + + if (getBitsLeft() < n) + throw new EOSException("stream overrun"); + + int result; + if (bitsCached >= n) { + bitsCached -= n; + result = (cache >> bitsCached) & maskBits(n); + position += n; + } else { + position += n; + int c = cache & maskBits(bitsCached); + int left = n - bitsCached; + cache = readCache(false); + bitsCached = WORD_BITS - left; + result = ((cache >> bitsCached) & maskBits(left)) | (c << left); + } + return result; + } + + public int readBit() { + LOGGER.log(Level.FINER, "@%d readBit: %d", 1); + + if (getBitsLeft() < 1) + throw new EOSException("stream overrun"); + + int i; + if (bitsCached > 0) { + bitsCached--; + i = (cache >> (bitsCached)) & 1; + } else { + cache = readCache(false); + bitsCached = WORD_BITS - 1; + i = (cache >> bitsCached) & 1; + } + + position++; + return i; + } + + public boolean readBool() { + return (readBit() & 0x1) != 0; + } + + public int peekBits(int n) { + LOGGER.log(Level.FINER, "@%d peekBits: %d", n); + + if (getBitsLeft() < n) + throw new EOSException("stream overrun"); + + int ret; + if (bitsCached >= n) { + ret = (cache >> (bitsCached - n)) & maskBits(n); + } else { + //old cache + int c = cache & maskBits(bitsCached); + n -= bitsCached; + //read next & combine + ret = ((readCache(true) >> WORD_BITS - n) & maskBits(n)) | (c << n); + } + return ret; + } + + public int peekBit() { + LOGGER.log(Level.FINER, "@%d peekBit: %d", 1); + + if (getBitsLeft() < 1) + throw new EOSException("stream overrun"); + + int ret; + if (bitsCached > 0) { + ret = (cache >> (bitsCached - 1)) & 1; + } else { + int word = readCache(true); + ret = (word >> WORD_BITS - 1) & 1; + } + return ret; + } + + public void skipBits(int n) { + LOGGER.log(Level.FINER, "@%d skipBits: %d", n); + + if (getBitsLeft() < n) + throw new EOSException("stream overrun"); + + position += n; + if (n <= bitsCached) { + bitsCached -= n; + } else { + n -= bitsCached; + while (n >= WORD_BITS) { + n -= WORD_BITS; + readCache(false); + } + if (n > 0) { + cache = readCache(false); + bitsCached = WORD_BITS - n; + } else { + cache = 0; + bitsCached = 0; + } + } + } + + public void skipBit() { + LOGGER.log(Level.FINER, "@%d skipBit: %d", 1); + + if (getBitsLeft() < 1) + throw new EOSException("end of stream"); + + position++; + if (bitsCached > 0) { + bitsCached--; + } else { + cache = readCache(false); + bitsCached = WORD_BITS - 1; + } + } + + public static int maskBits(int n) { + int i; + if (n == 32) + i = -1; + else + i = (1 << n) - 1; + return i; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/CCE.java b/src/main/java/net/sourceforge/jaad/aac/syntax/CCE.java index 738653f2..a605c8dd 100644 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/CCE.java +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/CCE.java @@ -1,163 +1,203 @@ package net.sourceforge.jaad.aac.syntax; +import java.util.List; + import net.sourceforge.jaad.aac.AACException; import net.sourceforge.jaad.aac.DecoderConfig; import net.sourceforge.jaad.aac.huffman.HCB; import net.sourceforge.jaad.aac.huffman.Huffman; -class CCE extends Element implements Constants { - - public static final int BEFORE_TNS = 0; - public static final int AFTER_TNS = 1; - public static final int AFTER_IMDCT = 2; - private static final float[] CCE_SCALE = { - 1.09050773266525765921f, - 1.18920711500272106672f, - 1.4142135623730950488016887f, - 2f}; - private final ICStream ics; - private float[] iqData; - private int couplingPoint; - private int coupledCount; - private final boolean[] channelPair; - private final int[] idSelect; - private final int[] chSelect; - /*[0] shared list of gains; [1] list of gains for right channel; - *[2] list of gains for left channel; [3] lists of gains for both channels - */ - private final float[][] gain; - - CCE(int frameLength) { - super(); - ics = new ICStream(frameLength); - channelPair = new boolean[8]; - idSelect = new int[8]; - chSelect = new int[8]; - gain = new float[16][120]; - } - - int getCouplingPoint() { - return couplingPoint; - } - - int getCoupledCount() { - return coupledCount; - } - - boolean isChannelPair(int index) { - return channelPair[index]; - } - - int getIDSelect(int index) { - return idSelect[index]; - } - - int getCHSelect(int index) { - return chSelect[index]; - } - - void decode(BitStream in, DecoderConfig conf) throws AACException { - couplingPoint = 2*in.readBit(); - coupledCount = in.readBits(3); - int gainCount = 0; - int i; - for(i = 0; i<=coupledCount; i++) { - gainCount++; - channelPair[i] = in.readBool(); - idSelect[i] = in.readBits(4); - if(channelPair[i]) { - chSelect[i] = in.readBits(2); - if(chSelect[i]==3) gainCount++; - } - else chSelect[i] = 2; - } - couplingPoint += in.readBit(); - couplingPoint |= (couplingPoint>>1); - - final boolean sign = in.readBool(); - final double scale = CCE_SCALE[in.readBits(2)]; - - ics.decode(in, false, conf); - final ICSInfo info = ics.getInfo(); - final int windowGroupCount = info.getWindowGroupCount(); - final int maxSFB = info.getMaxSFB(); - //TODO: - final int[][] sfbCB = null;//ics.getSectionData().getSfbCB(); - - for(i = 0; i0) { - cge = couplingPoint==2 ? 1 : in.readBit(); - xg = cge==0 ? 0 : Huffman.decodeScaleFactor(in)-60; - gainCache = (float) Math.pow(scale, -xg); - } - if(couplingPoint==2) gain[i][0] = gainCache; - else { - int sfb; - for(int g = 0; g>= 1; - } - gainCache = (float) (Math.pow(scale, -t)*s); - } - } - gain[i][idx] = gainCache; - } - } - } - } - } - } - - void process() throws AACException { - iqData = ics.getInvQuantData(); - } - - void applyIndependentCoupling(int index, float[] data) { - final double g = gain[index][0]; - for(int i = 0; i=16; + } + + @Override + public Type getType() { + return TYPE; + } + + @Override + public Element newElement(DecoderConfig config) { + return new CCE(config, this); + } + } + + public static final List TAGS = Element.createTagList(32, CCE.Tag::new); + + private final DecoderConfig config; + private final Tag tag; + + @Override + public Tag getElementInstanceTag() { + return tag; + } + + public static final int BEFORE_TNS = 0; + public static final int AFTER_TNS = 1; + public static final int AFTER_IMDCT = 2; + private static final float[] CCE_SCALE = { + 1.09050773266525765921f, + 1.18920711500272106672f, + 1.4142135623730950488016887f, + 2f}; + private final ICStream ics; + private int couplingPoint; + private int coupledCount; + private final boolean[] channelPair; + private final int[] idSelect; + private final int[] chSelect; + /*[0] shared list of gains; [1] list of gains for right channel; + *[2] list of gains for left channel; [3] lists of gains for both channels + */ + private final float[][] gain; + + CCE(DecoderConfig config, Tag tag) { + this.config = config; + this.tag = tag; + + ics = new ICStream(config); + channelPair = new boolean[8]; + idSelect = new int[8]; + chSelect = new int[8]; + gain = new float[16][120]; + } + + int getCouplingPoint() { + return couplingPoint; + } + + int getCoupledCount() { + return coupledCount; + } + + boolean isChannelPair(int index) { + return channelPair[index]; + } + + int getIDSelect(int index) { + return idSelect[index]; + } + + int getCHSelect(int index) { + return chSelect[index]; + } + + public void decode(BitStream in) throws AACException { + couplingPoint = 2 * in.readBit(); + coupledCount = in.readBits(3); + int gainCount = 0; + + for (int i = 0; i <= coupledCount; i++) { + gainCount++; + channelPair[i] = in.readBool(); + idSelect[i] = in.readBits(4); + if (channelPair[i]) { + chSelect[i] = in.readBits(2); + if (chSelect[i] == 3) gainCount++; + } else chSelect[i] = 2; + } + couplingPoint += in.readBit(); + couplingPoint |= (couplingPoint >> 1); + + boolean sign = in.readBool(); + double scale = CCE_SCALE[in.readBits(2)]; + + ics.decode(in, false, config); + ICSInfo info = ics.getInfo(); + int windowGroupCount = info.getWindowGroupCount(); + int maxSFB = info.getMaxSFB(); + + int[] sfbCB = ics.getSfbCB(); + + for (int i = 0; i < gainCount; i++) { + int idx = 0; + int cge = 1; + int xg = 0; + float gainCache = 1.0f; + if (i > 0) { + cge = couplingPoint == 2 ? 1 : in.readBit(); + xg = cge == 0 ? 0 : Huffman.decodeScaleFactor(in) - 60; + gainCache = (float) Math.pow(scale, -xg); + } + if (couplingPoint == 2) gain[i][0] = gainCache; + else { + int sfb; + for (int g = 0; g < windowGroupCount; g++) { + for (sfb = 0; sfb < maxSFB; sfb++, idx++) { + if (sfbCB[sfb] != HCB.ZERO_HCB) { + if (cge == 0) { + int t = Huffman.decodeScaleFactor(in) - 60; + if (t != 0) { + int s = 1; + t = xg += t; + if (!sign) { + s -= 2 * (t & 0x1); + t >>= 1; + } + gainCache = (float) (Math.pow(scale, -t) * s); + } + } + gain[i][idx] = gainCache; + } + } + } + } + } + } + + void process() { + } + + void applyIndependentCoupling(int index, float[] data) { + double g = gain[index][0]; + float[] iqData = ics.getInvQuantData(); + for (int i = 0; i < data.length; i++) { + data[i] += g * iqData[i]; + } + } + + void applyDependentCoupling(int index, float[] data) { + ICSInfo info = ics.getInfo(); + int[] swbOffsets = info.getSWBOffsets(); + int windowGroupCount = info.getWindowGroupCount(); + int maxSFB = info.getMaxSFB(); + int[] sfbCB = ics.getSfbCB(); + float[] iqData = ics.getInvQuantData(); + + int srcOff = 0; + int dstOff = 0; + + int idx = 0; + for (int g = 0; g < windowGroupCount; g++) { + int len = info.getWindowGroupLength(g); + for (int sfb = 0; sfb < maxSFB; sfb++, idx++) { + if (sfbCB[sfb] != HCB.ZERO_HCB) { + float x = gain[index][idx]; + for (int group = 0; group < len; group++) { + for (int k = swbOffsets[sfb]; k < swbOffsets[sfb + 1]; k++) { + data[dstOff + group * 128 + k] += x * iqData[srcOff + group * 128 + k]; + } + } + } + } + dstOff += len * 128; + srcOff += len * 128; + } + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/CPE.java b/src/main/java/net/sourceforge/jaad/aac/syntax/CPE.java index 3cfa91c6..168e9390 100644 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/CPE.java +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/CPE.java @@ -1,86 +1,209 @@ package net.sourceforge.jaad.aac.syntax; import java.util.Arrays; +import java.util.List; +import java.util.function.Consumer; +import java.util.logging.Level; +import java.util.logging.Logger; + import net.sourceforge.jaad.aac.AACException; import net.sourceforge.jaad.aac.DecoderConfig; -import net.sourceforge.jaad.aac.Profile; -import net.sourceforge.jaad.aac.SampleFrequency; +import net.sourceforge.jaad.aac.filterbank.FilterBank; +import net.sourceforge.jaad.aac.sbr.SBR; +import net.sourceforge.jaad.aac.sbr.SBR2; +import net.sourceforge.jaad.aac.tools.IS; +import net.sourceforge.jaad.aac.tools.MS; import net.sourceforge.jaad.aac.tools.MSMask; -public class CPE extends Element implements Constants { - - private MSMask msMask; - private boolean[] msUsed; - private boolean commonWindow; - ICStream icsL, icsR; - - CPE(int frameLength) { - super(); - msUsed = new boolean[MAX_MS_MASK]; - icsL = new ICStream(frameLength); - icsR = new ICStream(frameLength); - } - - void decode(BitStream in, DecoderConfig conf) throws AACException { - final Profile profile = conf.getProfile(); - final SampleFrequency sf = conf.getSampleFrequency(); - if(sf.equals(SampleFrequency.SAMPLE_FREQUENCY_NONE)) throw new AACException("invalid sample frequency"); - - readElementInstanceTag(in); - - commonWindow = in.readBool(); - final ICSInfo info = icsL.getInfo(); - if(commonWindow) { - info.decode(in, conf, commonWindow); - icsR.getInfo().setData(info); - - msMask = MSMask.forInt(in.readBits(2)); - if(msMask.equals(MSMask.TYPE_USED)) { - final int maxSFB = info.getMaxSFB(); - final int windowGroupCount = info.getWindowGroupCount(); - - for(int idx = 0; idx TAGS = Element.createTagList(16, Tag::new); + + public static final int MAX_MS_MASK = 128; + + private MSMask msMask; + private boolean[] msUsed; + private boolean commonWindow; + ICStream icsL, icsR; + + public CPE(DecoderConfig config, ChannelTag tag) { + super(config, tag); + msUsed = new boolean[MAX_MS_MASK]; + icsL = new ICStream(config); + icsR = new ICStream(config); + } + + public boolean isChannelPair() { + return true; + } + + public boolean isStereo() { + return true; + } + + protected SBR openSBR() { + return new SBR2(config); + } + + public void decode(BitStream in) { + super.decode(in); + + commonWindow = in.readBool(); + ICSInfo infoL = icsL.getInfo(); + ICSInfo infoR = icsR.getInfo(); + + LOGGER.log(Level.FINE, ()->String.format("CPE %s", commonWindow? "common":"")); + + if (commonWindow) { + infoL.decode(in, commonWindow); + infoR.setCommonData(in, infoL); + + msMask = MSMask.forInt(in.readBits(2)); + if(msMask.equals(MSMask.TYPE_USED)) { + int maxSFB = infoL.getMaxSFB(); + int windowGroupCount = infoL.getWindowGroupCount(); + + for(int idx = 0; idx cces, Consumer target) { + + float[] dataL = getDataL(); + float[] dataR = getDataR(); + + // inverse quantization + float[] iqDataL = icsL.getInvQuantData(); + float[] iqDataR = icsR.getInvQuantData(); + + // MS + if (isCommonWindow() & isMSMaskPresent()) + MS.process(this, iqDataL, iqDataR); + + // prediction + icsL.processICP(); + icsR.processICP(); + + // IS + IS.process(this, iqDataL, iqDataR); + + icsL.processLTP(filterBank); + icsR.processLTP(filterBank); + + // dependent coupling + processDependentCoupling(cces, CCE.BEFORE_TNS, iqDataL, iqDataR); + + icsL.processTNS(); + icsR.processTNS(); + + //dependent coupling + processDependentCoupling(cces, CCE.AFTER_TNS, iqDataL, iqDataR); + + // filterbank + icsL.process(dataL, filterBank); + icsR.process(dataR, filterBank); + + icsL.updateLTP(dataL); + icsR.updateLTP(dataR); + + // independent coupling + processIndependentCoupling(cces, dataL, dataR); + + // gain control + icsL.processGainControl(); + icsR.processGainControl(); + + // SBR + if (isSBRPresent() && config.isSBREnabled()) { + if (dataL.length == config.getFrameLength()) + LOGGER.log(Level.WARNING, "SBR data present, but buffer has normal size!"); + + getSBR().process(dataL, dataR); + } else if (dataL.length != config.getFrameLength()) { + SBR.upsample(dataL); + SBR.upsample(dataR); + } + + target.accept(dataL); + target.accept(dataR); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/ChannelElement.java b/src/main/java/net/sourceforge/jaad/aac/syntax/ChannelElement.java new file mode 100644 index 00000000..86f2e72c --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/ChannelElement.java @@ -0,0 +1,157 @@ +package net.sourceforge.jaad.aac.syntax; + +import net.sourceforge.jaad.aac.DecoderConfig; +import net.sourceforge.jaad.aac.filterbank.FilterBank; +import net.sourceforge.jaad.aac.sbr.SBR; + +import java.util.List; +import java.util.function.Consumer; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 16.04.19 + * Time: 16:55 + */ +public abstract class ChannelElement implements Element { + + abstract static class ChannelTag extends InstanceTag { + + protected ChannelTag(int id) { + super(id); + } + + abstract public boolean isChannelPair(); + + @Override + abstract public ChannelElement newElement(DecoderConfig config); + } + + protected final DecoderConfig config; + + protected final ChannelTag tag; + + protected ChannelElement(DecoderConfig config, ChannelTag tag) { + this.config = config; + this.tag = tag; + } + + public ChannelTag getElementInstanceTag() { + return tag; + } + + /** + * @return if this element represents a channel pair. + */ + abstract public boolean isChannelPair(); + + /** + * A single channel may produce stereo using parametric stereo. + * @return if this stereo. + */ + abstract public boolean isStereo(); + + protected SBR sbr; + + public void decode(BitStream in) { + if(sbr!=null) + sbr.invalidate(); + } + + abstract protected SBR openSBR(); + + void decodeSBR(BitStream in, boolean crc) { + + if(!config.isSBREnabled()) { + return; + } + + if(sbr==null) + sbr = openSBR(); + + if(sbr!=null) + sbr.decode(in, crc); + } + + boolean isSBRPresent() { + return sbr!=null && sbr.isValid(); + } + + SBR getSBR() { + return sbr; + } + + private float[] dataL, dataR; + + private float[] newData() { + int len = config.getSampleLength(); + return new float[len]; + } + + public float[] getDataL() { + if(dataL==null) + dataL = newData(); + return dataL; + } + + public float[] getDataR() { + if(dataR==null) + dataR = newData(); + return dataR; + } + + abstract public void process(FilterBank filterBank, List cces, Consumer target); + + void processDependentCoupling(List cces, int couplingPoint, float[] dataL, float[] dataR) { + + int elementID = getElementInstanceTag().getId(); + + for (CCE cce : cces) { + int index = 0; + if(cce!=null&&cce.getCouplingPoint()==couplingPoint) { + for(int c = 0; c<=cce.getCoupledCount(); c++) { + int chSelect = cce.getCHSelect(c); + if(cce.isChannelPair(c)==isChannelPair()&&cce.getIDSelect(c)==elementID) { + if(chSelect!=1) { + cce.applyDependentCoupling(index, dataL); + if(chSelect!=0) + index++; + } + if(chSelect!=2) { + cce.applyDependentCoupling(index, dataR); + index++; + } + } + else + index += 1+((chSelect==3) ? 1 : 0); + } + } + } + } + + void processIndependentCoupling(List cces, float[] dataL, float[] dataR) { + + int elementID = getElementInstanceTag().getId(); + + for (CCE cce : cces) { + int index = 0; + if (cce != null && cce.getCouplingPoint() == CCE.AFTER_IMDCT) { + for (int c = 0; c <= cce.getCoupledCount(); c++) { + int chSelect = cce.getCHSelect(c); + if (cce.isChannelPair(c) == isChannelPair() && cce.getIDSelect(c) == elementID) { + if (chSelect != 1) { + cce.applyIndependentCoupling(index, dataL); + if (chSelect != 0) + index++; + } + if (chSelect != 2) { + cce.applyIndependentCoupling(index, dataR); + index++; + } + } else + index += 1 + ((chSelect == 3) ? 1 : 0); + } + } + } + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/Constants.java b/src/main/java/net/sourceforge/jaad/aac/syntax/Constants.java deleted file mode 100644 index 4be1f007..00000000 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/Constants.java +++ /dev/null @@ -1,32 +0,0 @@ -package net.sourceforge.jaad.aac.syntax; - -import java.util.logging.Logger; - -public interface Constants { - - Logger LOGGER = Logger.getLogger("jaad"); //for debugging - int MAX_ELEMENTS = 16; - int BYTE_MASK = 0xFF; - int MIN_INPUT_SIZE = 768; //6144 bits/channel - //frame length - int WINDOW_LEN_LONG = 1024; - int WINDOW_LEN_SHORT = WINDOW_LEN_LONG/8; - int WINDOW_SMALL_LEN_LONG = 960; - int WINDOW_SMALL_LEN_SHORT = WINDOW_SMALL_LEN_LONG/8; - //element types - int ELEMENT_SCE = 0; - int ELEMENT_CPE = 1; - int ELEMENT_CCE = 2; - int ELEMENT_LFE = 3; - int ELEMENT_DSE = 4; - int ELEMENT_PCE = 5; - int ELEMENT_FIL = 6; - int ELEMENT_END = 7; - //maximum numbers - int MAX_WINDOW_COUNT = 8; - int MAX_WINDOW_GROUP_COUNT = MAX_WINDOW_COUNT; - int MAX_LTP_SFB = 40; - int MAX_SECTIONS = 120; - int MAX_MS_MASK = 128; - float SQRT2 = 1.414213562f; -} diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/DRC.java b/src/main/java/net/sourceforge/jaad/aac/syntax/DRC.java new file mode 100644 index 00000000..2236c26c --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/DRC.java @@ -0,0 +1,84 @@ +package net.sourceforge.jaad.aac.syntax; + +/** + * Dynamic Range Control (4.5.2.7) + *

+ * This is currently unused. + * The parameters are to be applied to all channels. + */ +public class DRC { + + private static final int MAX_NBR_BANDS = 7; + private final boolean[] excludeMask; + private final boolean[] additionalExcludedChannels; + private boolean pceTagPresent; + private int pceInstanceTag; + private int tagReservedBits; + private boolean excludedChannelsPresent; + private boolean bandsPresent; + private int bandsIncrement, interpolationScheme; + private int[] bandTop; + private boolean progRefLevelPresent; + private int progRefLevel, progRefLevelReservedBits; + private boolean[] dynRngSgn; + private int[] dynRngCtl; + + public DRC() { + excludeMask = new boolean[MAX_NBR_BANDS]; + additionalExcludedChannels = new boolean[MAX_NBR_BANDS]; + } + + public void decode(BitStream in) { + + int bandCount = 1; + + // pce tag + if (pceTagPresent = in.readBool()) { + pceInstanceTag = in.readBits(4); + tagReservedBits = in.readBits(4); + } + + // excluded channels + if (excludedChannelsPresent = in.readBool()) { + decodeExcludedChannels(in); + } + + // bands + if (bandsPresent = in.readBool()) { + bandsIncrement = in.readBits(4); + interpolationScheme = in.readBits(4); + bandCount += bandsIncrement; + bandTop = new int[bandCount]; + for (int i = 0; i < bandCount; i++) { + bandTop[i] = in.readBits(8); + } + } + + // prog ref level + if (progRefLevelPresent = in.readBool()) { + progRefLevel = in.readBits(7); + progRefLevelReservedBits = in.readBits(1); + } + + dynRngSgn = new boolean[bandCount]; + dynRngCtl = new int[bandCount]; + for (int i = 0; i < bandCount; i++) { + dynRngSgn[i] = in.readBool(); + dynRngCtl[i] = in.readBits(7); + } + } + + private int decodeExcludedChannels(BitStream in) { + int exclChs = 0; + + do { + for (int i = 0; i < 7; i++) { + excludeMask[exclChs] = in.readBool(); + exclChs++; + } + } + while (exclChs < 57 && in.readBool()); + + return (exclChs / 7) * 8; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/DSE.java b/src/main/java/net/sourceforge/jaad/aac/syntax/DSE.java index 815142cd..09891160 100644 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/DSE.java +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/DSE.java @@ -1,25 +1,67 @@ package net.sourceforge.jaad.aac.syntax; -import net.sourceforge.jaad.aac.AACException; +import java.util.List; -class DSE extends Element { +import net.sourceforge.jaad.aac.DecoderConfig; - private byte[] dataStreamBytes; - DSE() { - super(); - } +/** + * data_stream_element Abbreviation DSE. + * + * Syntactic element that contains data. + * Again, there are 16 element_instance_tags. + * There is, however, no restriction on the number + * of data_stream_element’s with any one instance tag, + * as a single data stream may continue across multiple + * data_stream_element’s with the same instance tag. + */ +class DSE implements Element { - void decode(BitStream in) throws AACException { - final boolean byteAlign = in.readBool(); - int count = in.readBits(8); - if(count==255) count += in.readBits(8); + public static final Type TYPE = Type.DSE; - if(byteAlign) in.byteAlign(); + static class Tag extends InstanceTag { - dataStreamBytes = new byte[count]; - for(int i = 0; i TAGS = Element.createTagList(32, Tag::new); + + private final Tag tag; + + @Override + public Tag getElementInstanceTag() { + return tag; + } + + private byte[] dataStreamBytes; + + public DSE(DecoderConfig config, Tag tag) { + super(); + this.tag = tag; + } + + public void decode(BitStream in) { + boolean byteAlign = in.readBool(); + int count = in.readBits(8); + if (count == 255) count += in.readBits(8); + + if (byteAlign) in.byteAlign(); + + dataStreamBytes = new byte[count]; + for (int i = 0; i < count; i++) { + dataStreamBytes[i] = (byte) in.readBits(8); + } + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/Element.java b/src/main/java/net/sourceforge/jaad/aac/syntax/Element.java index 1834d8c8..046f5d74 100644 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/Element.java +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/Element.java @@ -1,32 +1,97 @@ package net.sourceforge.jaad.aac.syntax; -import net.sourceforge.jaad.aac.AACException; -import net.sourceforge.jaad.aac.SampleFrequency; -import net.sourceforge.jaad.aac.sbr.SBR; +import java.util.AbstractList; +import java.util.EnumMap; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.function.IntFunction; -public abstract class Element implements Constants { +import net.sourceforge.jaad.aac.DecoderConfig; +import net.sourceforge.jaad.aac.tools.Utils; - private int elementInstanceTag; - private SBR sbr; - protected void readElementInstanceTag(BitStream in) throws AACException { - elementInstanceTag = in.readBits(4); - } +public interface Element { - public int getElementInstanceTag() { - return elementInstanceTag; - } + enum Type { + SCE, CPE, CCE, LFE, DSE, PCE, FIL, END; + public static final List VALUES = Utils.listOf(values()); - void decodeSBR(BitStream in, SampleFrequency sf, int count, boolean stereo, boolean crc, boolean downSampled,boolean smallFrames) throws AACException { - if(sbr==null) sbr = new SBR(smallFrames,elementInstanceTag==ELEMENT_CPE,sf,downSampled); - sbr.decode(in, count); - } + public static Type get(int i) { + return VALUES.get(i); + } + } - boolean isSBRPresent() { - return sbr!=null; - } + static Type readType(BitStream in) { + return Type.get(in.readBits(3)); + } - SBR getSBR() { - return sbr; - } + abstract class InstanceTag { + + protected final int id; + + protected InstanceTag(int id) { + this.id = id; + } + + public int getId() { + return id; + } + + abstract public Type getType(); + + abstract public Element newElement(DecoderConfig config); + + public int hashCode() { + return getType().ordinal() + 8 * id; + } + + public boolean equals(Object obj) { + return this.getClass().equals(obj.getClass()) && equalsTag((InstanceTag) obj); + } + + boolean equalsTag(InstanceTag other) { + return this.id == other.id && Objects.equals(getId(), other.getId()); + } + + transient String toString; + + public String toString() { + if (toString == null) + toString = String.format("%s:[%d]", getType().name(), id); + return toString; + } + } + + InstanceTag getElementInstanceTag(); + + void decode(BitStream in); + + static List + createTagList(int count, IntFunction newTag) { + List tags = new AbstractList() { + + @Override + public int size() { + return count; + } + + @Override + public T get(int index) { + return newTag.apply(index); + } + }; + return Utils.listCopyOf(tags); + } + + static Map> tagFactory() { + Map> types = new EnumMap<>(Element.Type.class); + types.put(Element.Type.PCE, PCE.TAGS::get); + types.put(Element.Type.SCE, SCE.TAGS::get); + types.put(Element.Type.CPE, CPE.TAGS::get); + types.put(Element.Type.LFE, LFE.TAGS::get); + types.put(Element.Type.CCE, CCE.TAGS::get); + types.put(Element.Type.DSE, DSE.TAGS::get); + return types; + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/FIL.java b/src/main/java/net/sourceforge/jaad/aac/syntax/FIL.java deleted file mode 100644 index acbfb216..00000000 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/FIL.java +++ /dev/null @@ -1,155 +0,0 @@ -package net.sourceforge.jaad.aac.syntax; - -import net.sourceforge.jaad.aac.AACException; -import net.sourceforge.jaad.aac.SampleFrequency; - -class FIL extends Element implements Constants { - - public static class DynamicRangeInfo { - - private static final int MAX_NBR_BANDS = 7; - private final boolean[] excludeMask; - private final boolean[] additionalExcludedChannels; - private boolean pceTagPresent; - private int pceInstanceTag; - private int tagReservedBits; - private boolean excludedChannelsPresent; - private boolean bandsPresent; - private int bandsIncrement, interpolationScheme; - private int[] bandTop; - private boolean progRefLevelPresent; - private int progRefLevel, progRefLevelReservedBits; - private boolean[] dynRngSgn; - private int[] dynRngCtl; - - public DynamicRangeInfo() { - excludeMask = new boolean[MAX_NBR_BANDS]; - additionalExcludedChannels = new boolean[MAX_NBR_BANDS]; - } - } - private static final int TYPE_FILL = 0; - private static final int TYPE_FILL_DATA = 1; - private static final int TYPE_EXT_DATA_ELEMENT = 2; - private static final int TYPE_DYNAMIC_RANGE = 11; - private static final int TYPE_SBR_DATA = 13; - private static final int TYPE_SBR_DATA_CRC = 14; - private final boolean downSampledSBR; - private DynamicRangeInfo dri; - - FIL(boolean downSampledSBR) { - super(); - this.downSampledSBR = downSampledSBR; - } - - void decode(BitStream in, Element prev, SampleFrequency sf, boolean sbrEnabled, boolean smallFrames) throws AACException { - int count = in.readBits(4); - if(count==15) count += in.readBits(8)-1; - count *= 8; //convert to bits - - final int cpy = count; - final int pos = in.getPosition(); - - while(count>0) { - count = decodeExtensionPayload(in, count, prev, sf, sbrEnabled, smallFrames); - } - - final int pos2 = in.getPosition()-pos; - final int bitsLeft = cpy-pos2; - if(bitsLeft>0) in.skipBits(pos2); - else if(bitsLeft<0) throw new AACException("FIL element overread: "+bitsLeft); - } - - private int decodeExtensionPayload(BitStream in, int count, Element prev, SampleFrequency sf, boolean sbrEnabled, boolean smallFrames) throws AACException { - final int type = in.readBits(4); - int ret = count-4; - switch(type) { - case TYPE_DYNAMIC_RANGE: - ret = decodeDynamicRangeInfo(in, ret); - break; - case TYPE_SBR_DATA: - case TYPE_SBR_DATA_CRC: - if(sbrEnabled) { - if(prev instanceof SCE_LFE||prev instanceof CPE||prev instanceof CCE) { - prev.decodeSBR(in, sf, ret, (prev instanceof CPE), (type==TYPE_SBR_DATA_CRC), downSampledSBR, smallFrames); - ret = 0; - break; - } - else throw new AACException("SBR applied on unexpected element: "+prev); - } - else { - in.skipBits(ret); - ret = 0; - } - case TYPE_FILL: - case TYPE_FILL_DATA: - case TYPE_EXT_DATA_ELEMENT: - default: - in.skipBits(ret); - ret = 0; - break; - } - return ret; - } - - private int decodeDynamicRangeInfo(BitStream in, int count) throws AACException { - if(dri==null) dri = new DynamicRangeInfo(); - int ret = count; - - int bandCount = 1; - - //pce tag - if(dri.pceTagPresent = in.readBool()) { - dri.pceInstanceTag = in.readBits(4); - dri.tagReservedBits = in.readBits(4); - } - - //excluded channels - if(dri.excludedChannelsPresent = in.readBool()) { - ret -= decodeExcludedChannels(in); - } - - //bands - if(dri.bandsPresent = in.readBool()) { - dri.bandsIncrement = in.readBits(4); - dri.interpolationScheme = in.readBits(4); - ret -= 8; - bandCount += dri.bandsIncrement; - dri.bandTop = new int[bandCount]; - for(int i = 0; imaxSFB) throw new AACException("too many bands: "+end+", allowed: "+maxSFB); - for(; k=info.getSWBCount()) throw new AACException("pulse SWB out of range: "+pulseStartSWB+" > "+info.getSWBCount()); - - if(pulseOffset==null||pulseCount!=pulseOffset.length) { - //only reallocate if needed - pulseOffset = new int[pulseCount]; - pulseAmp = new int[pulseCount]; - } - - pulseOffset[0] = info.getSWBOffsets()[pulseStartSWB]; - pulseOffset[0] += in.readBits(5); - pulseAmp[0] = in.readBits(4); - for(int i = 1; i1023) throw new AACException("pulse offset out of range: "+pulseOffset[0]); - pulseAmp[i] = in.readBits(4); - } - } - - public void decodeScaleFactors(BitStream in) throws AACException { - final int windowGroups = info.getWindowGroupCount(); - final int maxSFB = info.getMaxSFB(); - //0: spectrum, 1: noise, 2: intensity - final int[] offset = {globalGain, globalGain-90, 0}; - - int tmp; - boolean noiseFlag = true; - - int sfb, idx = 0; - for(int g = 0; g255) throw new AACException("scalefactor out of range: "+offset[0]); - scaleFactors[idx] = SCALEFACTOR_TABLE[offset[0]-100+SF_OFFSET]; - } - break; - } - } - } - } - - private void decodeSpectralData(BitStream in) throws AACException { - Arrays.fill(data, 0); - final int maxSFB = info.getMaxSFB(); - final int windowGroups = info.getWindowGroupCount(); - final int[] offsets = info.getSWBOffsets(); - final int[] buf = new int[4]; - - int sfb, j, k, w, hcb, off, width, num; - int groupOff = 0, idx = 0; - for(int g = 0; g=FIRST_PAIR_HCB) ? 2 : 4; - for(k = 0; k0) ? IQ_TABLE[buf[j]] : -IQ_TABLE[-buf[j]]; - data[off+k+j] *= scaleFactors[idx]; - } - } - } - } - } - groupOff += groupLen<<7; - } - } - - /* =========== gets ============ */ - /** - * Does inverse quantization and applies the scale factors on the decoded - * data. After this the noiseless decoding is finished and the decoded data - * is returned. - * @return the inverse quantized and scaled data - */ - public float[] getInvQuantData() throws AACException { - return data; - } - - public ICSInfo getInfo() { - return info; - } - - public int[] getSectEnd() { - return sectEnd; - } - - public int[] getSfbCB() { - return sfbCB; - } - - public float[] getScaleFactors() { - return scaleFactors; - } - - public boolean isTNSDataPresent() { - return tnsDataPresent; - } - - public TNS getTNS() { - return tns; - } - - public int getGlobalGain() { - return globalGain; - } - - public boolean isNoiseUsed() { - return noiseUsed; - } - - public int getLongestCodewordLength() { - return longestCodewordLen; - } - - public int getReorderedSpectralDataLength() { - return reorderedSpectralDataLen; - } - - public boolean isGainControlPresent() { - return gainControlPresent; - } - - public GainControl getGainControl() { - return gainControl; - } +public class ICStream implements HCB, ScaleFactorTable, IQTable { + + static final Logger LOGGER = Logger.getLogger(ICStream.class.getName()); + + public static final int MAX_SECTIONS = 120; + + private static final int SF_DELTA = 60; + private static final int SF_OFFSET = 200; + private static int randomState = 0x1F2E3D4C; + private final int frameLength; + // always needed + private final ICSInfo info; + private final int[] sfbCB; + private final int[] sectEnd; + private final float[] iqData; + private final float[] scaleFactors; + private int globalGain; + private boolean pulseDataPresent, tnsDataPresent, gainControlPresent; + // only allocated if needed + private TNS tns; + private GainControl gainControl; + private int[] pulseOffset, pulseAmp; + private int pulseCount; + private int pulseStartSWB; + // error resilience + private boolean noiseUsed; + private int reorderedSpectralDataLen, longestCodewordLen; + private RVLC rvlc; + + private float[] overlap; + + public ICStream(DecoderConfig config) { + this.frameLength = config.getFrameLength(); + info = new ICSInfo(config); + sfbCB = new int[MAX_SECTIONS]; + sectEnd = new int[MAX_SECTIONS]; + iqData = new float[frameLength]; + scaleFactors = new float[MAX_SECTIONS]; + this.overlap = new float[frameLength]; + } + + /* ========= decoding ========== */ + public void decode(BitStream in, boolean commonWindow, DecoderConfig conf) throws AACException { + if (conf.isScalefactorResilienceUsed() && rvlc == null) rvlc = new RVLC(); + boolean er = conf.getProfile().isErrorResilientProfile(); + + globalGain = in.readBits(8); + + if (!commonWindow) info.decode(in, commonWindow); + + decodeSectionData(in, conf.isSectionDataResilienceUsed()); + + //if(conf.isScalefactorResilienceUsed()) rvlc.decode(in, this, scaleFactors); + /*else*/ + decodeScaleFactors(in); + + pulseDataPresent = in.readBool(); + if (pulseDataPresent) { + if (info.isEightShortFrame()) throw new AACException("pulse data not allowed for short frames"); + LOGGER.log(Level.FINE, "PULSE"); + decodePulseData(in); + } + + tnsDataPresent = in.readBool(); + if (tnsDataPresent && !er) { + if (tns == null) tns = new TNS(); + tns.decode(in, info); + } + + gainControlPresent = in.readBool(); + if (gainControlPresent) { + if (gainControl == null) gainControl = new GainControl(frameLength); + LOGGER.log(Level.FINE, "GAIN"); + gainControl.decode(in, info.getWindowSequence()); + } + + //RVLC spectral data + //if(conf.isScalefactorResilienceUsed()) rvlc.decodeScalefactors(this, in, scaleFactors); + + if (conf.isSpectralDataResilienceUsed()) { + int max = (conf.getChannelConfiguration() == ChannelConfiguration.STEREO) ? 6144 : 12288; + reorderedSpectralDataLen = Math.max(in.readBits(14), max); + longestCodewordLen = Math.max(in.readBits(6), 49); + //HCR.decodeReorderedSpectralData(this, in, data, conf.isSectionDataResilienceUsed()); + } else decodeSpectralData(in); + } + + public void decodeSectionData(BitStream in, boolean sectionDataResilienceUsed) throws AACException { + Arrays.fill(sfbCB, 0); + Arrays.fill(sectEnd, 0); + int bits = info.isEightShortFrame() ? 3 : 5; + int escVal = (1 << bits) - 1; + + int windowGroupCount = info.getWindowGroupCount(); + int maxSFB = info.getMaxSFB(); + + int end, cb, incr; + int idx = 0; + + for (int g = 0; g < windowGroupCount; g++) { + int k = 0; + while (k < maxSFB) { + end = k; + cb = in.readBits(4); + if (cb == 12) throw new AACException("invalid huffman codebook: 12"); + while ((incr = in.readBits(bits)) == escVal) { + end += incr; + } + end += incr; + if (end > maxSFB) throw new AACException("too many bands: " + end + ", allowed: " + maxSFB); + for (; k < end; k++) { + sfbCB[idx] = cb; + sectEnd[idx++] = end; + } + } + } + } + + private void decodePulseData(BitStream in) throws AACException { + pulseCount = in.readBits(2) + 1; + pulseStartSWB = in.readBits(6); + if (pulseStartSWB >= info.getSWBCount()) + throw new AACException("pulse SWB out of range: " + pulseStartSWB + " > " + info.getSWBCount()); + + if (pulseOffset == null || pulseCount != pulseOffset.length) { + //only reallocate if needed + pulseOffset = new int[pulseCount]; + pulseAmp = new int[pulseCount]; + } + + pulseOffset[0] = info.getSWBOffsets()[pulseStartSWB]; + pulseOffset[0] += in.readBits(5); + pulseAmp[0] = in.readBits(4); + for (int i = 1; i < pulseCount; i++) { + pulseOffset[i] = in.readBits(5) + pulseOffset[i - 1]; + if (pulseOffset[i] > 1023) throw new AACException("pulse offset out of range: " + pulseOffset[0]); + pulseAmp[i] = in.readBits(4); + } + } + + public void decodeScaleFactors(BitStream in) throws AACException { + int windowGroups = info.getWindowGroupCount(); + int maxSFB = info.getMaxSFB(); + //0: spectrum, 1: noise, 2: intensity + int[] offset = {globalGain, globalGain - 90, 0}; + + int tmp; + boolean noiseFlag = true; + + int sfb, idx = 0; + for (int g = 0; g < windowGroups; g++) { + for (sfb = 0; sfb < maxSFB; ) { + int end = sectEnd[idx]; + switch (sfbCB[idx]) { + case ZERO_HCB: + for (; sfb < end; sfb++, idx++) { + scaleFactors[idx] = 0; + } + break; + case INTENSITY_HCB: + case INTENSITY_HCB2: + for (; sfb < end; sfb++, idx++) { + offset[2] += Huffman.decodeScaleFactor(in) - SF_DELTA; + tmp = Math.min(Math.max(offset[2], -155), 100); + scaleFactors[idx] = SCALEFACTOR_TABLE[-tmp + SF_OFFSET]; + } + break; + case NOISE_HCB: + for (; sfb < end; sfb++, idx++) { + if (noiseFlag) { + offset[1] += in.readBits(9) - 256; + noiseFlag = false; + } else offset[1] += Huffman.decodeScaleFactor(in) - SF_DELTA; + tmp = Math.min(Math.max(offset[1], -100), 155); + scaleFactors[idx] = -SCALEFACTOR_TABLE[tmp + SF_OFFSET]; + } + break; + default: + for (; sfb < end; sfb++, idx++) { + offset[0] += Huffman.decodeScaleFactor(in) - SF_DELTA; + if (offset[0] > 255) throw new AACException("scalefactor out of range: " + offset[0]); + scaleFactors[idx] = SCALEFACTOR_TABLE[offset[0] - 100 + SF_OFFSET]; + } + break; + } + } + } + } + + private void decodeSpectralData(BitStream in) throws AACException { + Arrays.fill(iqData, 0); + int maxSFB = info.getMaxSFB(); + int windowGroups = info.getWindowGroupCount(); + int[] offsets = info.getSWBOffsets(); + int[] buf = new int[4]; + + for (int g = 0, idx = 0, groupOff = 0; g < windowGroups; g++) { + int groupLen = info.getWindowGroupLength(g); + + for (int sfb = 0; sfb < maxSFB; sfb++, idx++) { + int hcb = sfbCB[idx]; + int off = groupOff + offsets[sfb]; + int width = offsets[sfb + 1] - offsets[sfb]; + if (hcb == ZERO_HCB || hcb == INTENSITY_HCB || hcb == INTENSITY_HCB2) { + for (int w = 0; w < groupLen; w++, off += 128) { + Arrays.fill(iqData, off, off + width, 0); + } + } else if (hcb == NOISE_HCB) { + //apply PNS: fill with random values + for (int w = 0; w < groupLen; w++, off += 128) { + float energy = 0; + + for (int k = 0; k < width; k++) { + randomState *= 1664525 + 1013904223; + iqData[off + k] = randomState; + energy += iqData[off + k] * iqData[off + k]; + } + + float scale = (float) (scaleFactors[idx] / Math.sqrt(energy)); + for (int k = 0; k < width; k++) { + iqData[off + k] *= scale; + } + } + } else { + for (int w = 0; w < groupLen; w++, off += 128) { + int num = (hcb >= FIRST_PAIR_HCB) ? 2 : 4; + for (int k = 0; k < width; k += num) { + Huffman.decodeSpectralData(in, hcb, buf, 0); + + //inverse quantization & scaling + for (int j = 0; j < num; j++) { + iqData[off + k + j] = (buf[j] > 0) ? IQ_TABLE[buf[j]] : -IQ_TABLE[-buf[j]]; + iqData[off + k + j] *= scaleFactors[idx]; + } + } + } + } + } + groupOff += groupLen << 7; + } + } + + /* =========== gets ============ */ + + /** + * Does inverse quantization and applies the scale factors on the decoded + * data. After this the noiseless decoding is finished and the decoded data + * is returned. + * + * @return the inverse quantized and scaled data + */ + public float[] getInvQuantData() throws AACException { + return iqData; + } + + public float[] getOverlap() { + return overlap; + } + + public ICSInfo getInfo() { + return info; + } + + public int[] getSectEnd() { + return sectEnd; + } + + public int[] getSfbCB() { + return sfbCB; + } + + public float[] getScaleFactors() { + return scaleFactors; + } + + public void process(float[] data, FilterBank filterBank) { + filterBank.process(info.getWindowSequence(), info.getWindowShape(ICSInfo.CURRENT), info.getWindowShape(ICSInfo.PREVIOUS), + iqData, data, overlap); + } + + private void processTNS(float[] data, boolean decode) { + if (tns != null && tnsDataPresent) + tns.process(this, data, info.sf, decode); + } + + public void processICP() { + info.processICP(this.iqData); + } + + public void processTNS() { + processTNS(this.iqData, false); + } + + public void processTNS(float[] data) { + processTNS(data, true); + } + + public void processLTP(FilterBank filterBank) { + if (info.ltPredict != null) + info.ltPredict.process(this, filterBank); + } + + public void updateLTP(float[] data) { + if (info.ltPredict != null) + info.ltPredict.updateState(data, getOverlap(), info.config.getProfile()); + } + + public int getGlobalGain() { + return globalGain; + } + + public boolean isNoiseUsed() { + return noiseUsed; + } + + public int getLongestCodewordLength() { + return longestCodewordLen; + } + + public int getReorderedSpectralDataLength() { + return reorderedSpectralDataLen; + } + + public void processGainControl() { + if (gainControl != null && gainControlPresent) + gainControl.process(this.iqData, + info.getWindowShape(ICSInfo.CURRENT), + info.getWindowShape(ICSInfo.PREVIOUS), + info.getWindowSequence()); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/IQTable.java b/src/main/java/net/sourceforge/jaad/aac/syntax/IQTable.java index 3da25573..cd956d64 100644 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/IQTable.java +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/IQTable.java @@ -3,8202 +3,8203 @@ /** * Inverse quantization lookup table for all possible values * from 04/3 to 81914/3. + * * @author in-somnia */ //TODO: list is too big, create at startup interface IQTable { - float[] IQ_TABLE = { - 0.0f, - 1.0f, - 2.519842099789746f, - 4.3267487109222245f, - 6.3496042078727974f, - 8.549879733383484f, - 10.902723556992836f, - 13.390518279406722f, - 15.999999999999998f, - 18.720754407467133f, - 21.544346900318835f, - 24.463780996262464f, - 27.47314182127996f, - 30.567350940369842f, - 33.74199169845321f, - 36.993181114957046f, - 40.317473596635935f, - 43.71178704118999f, - 47.173345095760126f, - 50.69963132571694f, - 54.28835233189812f, - 57.93740770400352f, - 61.6448652744185f, - 65.40894053658599f, - 69.22797937475559f, - 73.10044345532164f, - 77.02489777859162f, - 80.99999999999997f, - 85.02449121251853f, - 89.09718794488955f, - 93.21697517861574f, - 97.38280022413316f, - 101.59366732596474f, - 105.84863288986224f, - 110.14680124343441f, - 114.4873208566006f, - 118.86938096020653f, - 123.29220851090024f, - 127.75506545836058f, - 132.25724627755247f, - 136.79807573413572f, - 141.3769068556919f, - 145.99311908523086f, - 150.6461165966291f, - 155.33532675434674f, - 160.0601987020528f, - 164.8202020667335f, - 169.6148257665186f, - 174.44357691188537f, - 179.30597979112554f, - 184.20157493201927f, - 189.12991823257562f, - 194.09058015449685f, - 199.08314497371674f, - 204.1072100829694f, - 209.16238534187647f, - 214.24829247050752f, - 219.36456448277784f, - 224.51084515641213f, - 229.6867885365223f, - 234.89205847013176f, - 240.1263281692325f, - 245.38927980018508f, - 250.6806040974726f, - 255.99999999999991f, - 261.3471743082887f, - 266.7218413610645f, - 272.12372272986045f, - 277.5525469303796f, - 283.0080491494619f, - 288.4899709865989f, - 293.99806020902247f, - 299.5320705194741f, - 305.0917613358298f, - 310.67689758182206f, - 316.28724948815585f, - 321.92259240337177f, - 327.58270661385535f, - 333.2673771724374f, - 338.97639373507025f, - 344.70955040510125f, - 350.46664558470013f, - 356.2474818330261f, - 362.0518657307514f, - 367.8796077505826f, - 373.7305221334451f, - 379.60442677002084f, - 385.501143087346f, - 391.42049594019943f, - 397.3623135070237f, - 403.32642719014467f, - 409.3126715200626f, - 415.320884063608f, - 421.35090533576465f, - 427.4025787149762f, - 433.4757503617617f, - 439.5702691404793f, - 445.6859865440827f, - 451.8227566217276f, - 457.9804359090913f, - 464.15888336127773f, - 470.35796028818726f, - 476.5775302922363f, - 482.81745920832043f, - 489.0776150459174f, - 495.3578679332358f, - 501.6580900633169f, - 507.9781556420037f, - 514.3179408376965f, - 520.6773237328167f, - 527.056184276906f, - 533.4544042412917f, - 539.8718671752513f, - 546.308458363615f, - 552.7640647857461f, - 559.2385750758419f, - 565.7318794845041f, - 572.2438698415234f, - 578.7744395198338f, - 585.3234834005884f, - 591.8908978393126f, - 598.4765806330926f, - 605.0804309887604f, - 611.7023494920364f, - 618.3422380775919f, - 624.9999999999998f, - 631.6755398055375f, - 638.3687633048116f, - 645.0795775461748f, - 651.8078907899041f, - 658.553612483115f, - 665.3166532353836f, - 672.0969247950522f, - 678.8943400261944f, - 685.7088128862142f, - 692.540258404062f, - 699.3885926590398f, - 706.2537327601806f, - 713.1355968261797f, - 720.0341039658604f, - 726.9491742591542f, - 733.8807287385821f, - 740.8286893712154f, - 747.7929790411054f, - 754.7735215321619f, - 761.7702415114704f, - 768.7830645130296f, - 775.811916921899f, - 782.8567259587425f, - 789.9174196647544f, - 796.993926886958f, - 804.0861772638627f, - 811.194101211471f, - 818.3176299096223f, - 825.4566952886656f, - 832.6112300164486f, - 839.781167485616f, - 846.9664418012055f, - 854.1669877685351f, - 861.3827408813713f, - 868.6136373103698f, - 875.859613891782f, - 883.1206081164196f, - 890.3965581188676f, - 897.6874026669418f, - 904.9930811513817f, - 912.3135335757719f, - 919.6487005466876f, - 926.9985232640562f, - 934.3629435117291f, - 941.7419036482586f, - 949.1353465978742f, - 956.5432158416521f, - 963.9654554088735f, - 971.4020098685654f, - 978.8528243212218f, - 986.3178443906959f, - 993.7970162162635f, - 1001.29028644485f, - 1008.797602223418f, - 1016.3189111915103f, - 1023.8541614739464f, - 1031.4033016736653f, - 1038.9662808647138f, - 1046.5430485853758f, - 1054.1335548314366f, - 1061.7377500495838f, - 1069.3555851309357f, - 1076.9870114046978f, - 1084.6319806319443f, - 1092.2904449995174f, - 1099.9623571140482f, - 1107.6476699960892f, - 1115.3463370743607f, - 1123.058312180106f, - 1130.783549541554f, - 1138.5220037784857f, - 1146.273629896901f, - 1154.0383832837879f, - 1161.816219701986f, - 1169.607095285146f, - 1177.4109665327805f, - 1185.2277903054078f, - 1193.0575238197798f, - 1200.9001246442f, - 1208.7555506939248f, - 1216.6237602266442f, - 1224.5047118380478f, - 1232.3983644574657f, - 1240.3046773435874f, - 1248.2236100802568f, - 1256.1551225723395f, - 1264.099175041662f, - 1272.0557280230228f, - 1280.024742360269f, - 1288.0061792024444f, - 1295.9999999999995f, - 1304.006166501068f, - 1312.0246407478062f, - 1320.055385072793f, - 1328.0983620954903f, - 1336.153534718765f, - 1344.2208661254647f, - 1352.3003197750522f, - 1360.3918594002962f, - 1368.4954490040145f, - 1376.6110528558709f, - 1384.7386354892244f, - 1392.8781616980295f, - 1401.0295965337855f, - 1409.1929053025353f, - 1417.368053561912f, - 1425.5550071182324f, - 1433.7537320236374f, - 1441.9641945732744f, - 1450.186361302528f, - 1458.4201989842913f, - 1466.6656746262797f, - 1474.9227554683875f, - 1483.1914089800841f, - 1491.4716028578516f, - 1499.7633050226596f, - 1508.0664836174794f, - 1516.3811070048375f, - 1524.7071437644029f, - 1533.044562690613f, - 1541.3933327903342f, - 1549.753423280558f, - 1558.1248035861304f, - 1566.507443337515f, - 1574.9013123685909f, - 1583.3063807144795f, - 1591.722618609407f, - 1600.149996484594f, - 1608.58848496618f, - 1617.0380548731737f, - 1625.4986772154357f, - 1633.9703231916887f, - 1642.4529641875577f, - 1650.9465717736346f, - 1659.4511177035752f, - 1667.9665739122186f, - 1676.4929125137353f, - 1685.0301057998013f, - 1693.5781262377957f, - 1702.136946469027f, - 1710.7065393069795f, - 1719.286877735588f, - 1727.8779349075323f, - 1736.4796841425596f, - 1745.0920989258252f, - 1753.7151529062583f, - 1762.3488198949503f, - 1770.993073863563f, - 1779.6478889427597f, - 1788.3132394206564f, - 1796.9890997412947f, - 1805.6754445031333f, - 1814.3722484575621f, - 1823.0794865074322f, - 1831.7971337056094f, - 1840.5251652535437f, - 1849.263556499858f, - 1858.0122829389563f, - 1866.7713202096493f, - 1875.5406440937966f, - 1884.3202305149687f, - 1893.110055537124f, - 1901.9100953633042f, - 1910.7203263343454f, - 1919.5407249276057f, - 1928.3712677557098f, 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a/src/main/java/net/sourceforge/jaad/aac/syntax/LFE.java b/src/main/java/net/sourceforge/jaad/aac/syntax/LFE.java new file mode 100644 index 00000000..4dfca28f --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/LFE.java @@ -0,0 +1,61 @@ +package net.sourceforge.jaad.aac.syntax; + +import net.sourceforge.jaad.aac.DecoderConfig; +import net.sourceforge.jaad.aac.sbr.SBR; + +import java.util.List; + + +/** + * lfe_channel_element: Abbreviation LFE. + * + * Syntactic element that contains a low sampling frequency enhancement channel. + * The rules for the number of lfe_channel_element()’s and instance tags are + * as for single_channel_element’s. + */ + +class LFE extends SCE { + + public static final Type TYPE = Type.LFE; + + static class Tag extends SCE.Tag { + + protected Tag(int id) { + super(id); + } + + @Override + public boolean isChannelPair() { + return false; + } + + @Override + public Type getType() { + return TYPE; + } + + @Override + public ChannelElement newElement(DecoderConfig config) { + return new LFE(config, this); + } + } + + public static final List TAGS = Element.createTagList(16, Tag::new); + + LFE(DecoderConfig config, Tag tag) { + super(config, tag); + } + + protected SBR openSBR() { + return null; + } + + @Override + public boolean isChannelPair() { + return false; + } + + public boolean isLFE() { + return true; + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/PCE.java b/src/main/java/net/sourceforge/jaad/aac/syntax/PCE.java index c06d1bb1..00f34682 100644 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/PCE.java +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/PCE.java @@ -1,152 +1,222 @@ package net.sourceforge.jaad.aac.syntax; +import java.util.List; +import java.util.logging.Logger; + import net.sourceforge.jaad.aac.AACException; +import net.sourceforge.jaad.aac.AudioDecoderInfo; +import net.sourceforge.jaad.aac.ChannelConfiguration; +import net.sourceforge.jaad.aac.DecoderConfig; import net.sourceforge.jaad.aac.Profile; import net.sourceforge.jaad.aac.SampleFrequency; -public class PCE extends Element { - - private static final int MAX_FRONT_CHANNEL_ELEMENTS = 16; - private static final int MAX_SIDE_CHANNEL_ELEMENTS = 16; - private static final int MAX_BACK_CHANNEL_ELEMENTS = 16; - private static final int MAX_LFE_CHANNEL_ELEMENTS = 4; - private static final int MAX_ASSOC_DATA_ELEMENTS = 8; - private static final int MAX_VALID_CC_ELEMENTS = 16; - - public static class TaggedElement { - - private final boolean isCPE; - private final int tag; - - public TaggedElement(boolean isCPE, int tag) { - this.isCPE = isCPE; - this.tag = tag; - } - - public boolean isIsCPE() { - return isCPE; - } - - public int getTag() { - return tag; - } - } - - public static class CCE { - - private final boolean isIndSW; - private final int tag; - - public CCE(boolean isIndSW, int tag) { - this.isIndSW = isIndSW; - this.tag = tag; - } - - public boolean isIsIndSW() { - return isIndSW; - } - - public int getTag() { - return tag; - } - } - private Profile profile; - private SampleFrequency sampleFrequency; - private int frontChannelElementsCount, sideChannelElementsCount, backChannelElementsCount; - private int lfeChannelElementsCount, assocDataElementsCount; - private int validCCElementsCount; - private boolean monoMixdown, stereoMixdown, matrixMixdownIDXPresent; - private int monoMixdownElementNumber, stereoMixdownElementNumber, matrixMixdownIDX; - private boolean pseudoSurround; - private final TaggedElement[] frontElements, sideElements, backElements; - private final int[] lfeElementTags; - private final int[] assocDataElementTags; - private final CCE[] ccElements; - private byte[] commentFieldData; - - public PCE() { - super(); - frontElements = new TaggedElement[MAX_FRONT_CHANNEL_ELEMENTS]; - sideElements = new TaggedElement[MAX_SIDE_CHANNEL_ELEMENTS]; - backElements = new TaggedElement[MAX_BACK_CHANNEL_ELEMENTS]; - lfeElementTags = new int[MAX_LFE_CHANNEL_ELEMENTS]; - assocDataElementTags = new int[MAX_ASSOC_DATA_ELEMENTS]; - ccElements = new CCE[MAX_VALID_CC_ELEMENTS]; - sampleFrequency = SampleFrequency.SAMPLE_FREQUENCY_NONE; - } - - public void decode(BitStream in) throws AACException { - readElementInstanceTag(in); - - profile = Profile.forInt(in.readBits(2)); - - sampleFrequency = SampleFrequency.forInt(in.readBits(4)); - - frontChannelElementsCount = in.readBits(4); - sideChannelElementsCount = in.readBits(4); - backChannelElementsCount = in.readBits(4); - lfeChannelElementsCount = in.readBits(2); - assocDataElementsCount = in.readBits(3); - validCCElementsCount = in.readBits(4); - - if(monoMixdown = in.readBool()) { - Constants.LOGGER.warning("mono mixdown present, but not yet supported"); - monoMixdownElementNumber = in.readBits(4); - } - if(stereoMixdown = in.readBool()) { - Constants.LOGGER.warning("stereo mixdown present, but not yet supported"); - stereoMixdownElementNumber = in.readBits(4); - } - if(matrixMixdownIDXPresent = in.readBool()) { - Constants.LOGGER.warning("matrix mixdown present, but not yet supported"); - matrixMixdownIDX = in.readBits(2); - pseudoSurround = in.readBool(); - } - - readTaggedElementArray(frontElements, in, frontChannelElementsCount); - - readTaggedElementArray(sideElements, in, sideChannelElementsCount); - - readTaggedElementArray(backElements, in, backChannelElementsCount); - - int i; - for(i = 0; i TAGS = Element.createTagList(32, Tag::new); + + /** + * Read a full PCE element with tag and content. + * + * @param in input stream to decode. + * @return a new program config element. + */ + public static PCE read(BitStream in) { + Tag tag = TAGS.get(in.readBits(4)); + PCE pce = new PCE(tag); + pce.decode(in); + return pce; + } + + private final Tag tag; + + @Override + public Tag getElementInstanceTag() { + return tag; + } + + private static final int MAX_FRONT_CHANNEL_ELEMENTS = 16; + private static final int MAX_SIDE_CHANNEL_ELEMENTS = 16; + private static final int MAX_BACK_CHANNEL_ELEMENTS = 16; + private static final int MAX_LFE_CHANNEL_ELEMENTS = 4; + private static final int MAX_ASSOC_DATA_ELEMENTS = 8; + private static final int MAX_VALID_CC_ELEMENTS = 16; + + public static class TaggedElement { + + private final boolean isCPE; + private final int tag; + + public TaggedElement(boolean isCPE, int tag) { + this.isCPE = isCPE; + this.tag = tag; + } + + public boolean isIsCPE() { + return isCPE; + } + + public int getTag() { + return tag; + } + } + + public static class CCE { + + private final boolean isIndSW; + private final int tag; + + public CCE(boolean isIndSW, int tag) { + this.isIndSW = isIndSW; + this.tag = tag; + } + + public boolean isIsIndSW() { + return isIndSW; + } + + public int getTag() { + return tag; + } + } + + private Profile profile; + private SampleFrequency sampleFrequency; + private int frontChannelElementsCount, sideChannelElementsCount, backChannelElementsCount; + private int lfeChannelElementsCount, assocDataElementsCount; + private int validCCElementsCount; + boolean monoMixdown, stereoMixdown, matrixMixdownIDXPresent; + int monoMixdownElementNumber, stereoMixdownElementNumber, matrixMixdownIDX; + boolean pseudoSurround; + private final TaggedElement[] frontElements, sideElements, backElements; + private final int[] lfeElementTags; + private final int[] assocDataElementTags; + private final CCE[] ccElements; + private byte[] commentFieldData; + + public PCE(Tag tag) { + this.tag = tag; + + frontElements = new TaggedElement[MAX_FRONT_CHANNEL_ELEMENTS]; + sideElements = new TaggedElement[MAX_SIDE_CHANNEL_ELEMENTS]; + backElements = new TaggedElement[MAX_BACK_CHANNEL_ELEMENTS]; + lfeElementTags = new int[MAX_LFE_CHANNEL_ELEMENTS]; + assocDataElementTags = new int[MAX_ASSOC_DATA_ELEMENTS]; + ccElements = new CCE[MAX_VALID_CC_ELEMENTS]; + sampleFrequency = SampleFrequency.SF_NONE; + } + + public void decode(BitStream in) throws AACException { + + profile = Profile.forInt(in.readBits(2)); + + sampleFrequency = SampleFrequency.decode(in); + + frontChannelElementsCount = in.readBits(4); + sideChannelElementsCount = in.readBits(4); + backChannelElementsCount = in.readBits(4); + lfeChannelElementsCount = in.readBits(2); + assocDataElementsCount = in.readBits(3); + validCCElementsCount = in.readBits(4); + + if (monoMixdown = in.readBool()) { + LOGGER.warning("mono mixdown present, but not yet supported"); + monoMixdownElementNumber = in.readBits(4); + } + if (stereoMixdown = in.readBool()) { + LOGGER.warning("stereo mixdown present, but not yet supported"); + stereoMixdownElementNumber = in.readBits(4); + } + if (matrixMixdownIDXPresent = in.readBool()) { + LOGGER.warning("matrix mixdown present, but not yet supported"); + matrixMixdownIDX = in.readBits(2); + pseudoSurround = in.readBool(); + } + + readTaggedElementArray(frontElements, in, frontChannelElementsCount); + + readTaggedElementArray(sideElements, in, sideChannelElementsCount); + + readTaggedElementArray(backElements, in, backChannelElementsCount); + + for (int i = 0; i < lfeChannelElementsCount; ++i) { + lfeElementTags[i] = in.readBits(4); + } + + for (int i = 0; i < assocDataElementsCount; ++i) { + assocDataElementTags[i] = in.readBits(4); + } + + for (int i = 0; i < validCCElementsCount; ++i) { + ccElements[i] = new CCE(in.readBool(), in.readBits(4)); + } + + in.byteAlign(); + + int commentFieldBytes = in.readBits(8); + commentFieldData = new byte[commentFieldBytes]; + for (int i = 0; i < commentFieldBytes; i++) { + commentFieldData[i] = (byte) in.readBits(8); + } + } + + private void readTaggedElementArray(TaggedElement[] te, BitStream in, int len) throws AACException { + for (int i = 0; i < len; ++i) { + te[i] = new TaggedElement(in.readBool(), in.readBits(4)); + } + } + + public Profile getProfile() { + return profile; + } + + public SampleFrequency getSampleFrequency() { + return sampleFrequency; + } + + public int getChannelCount() { + int count = lfeChannelElementsCount; // + assocDataElementsCount; + + for (int n = 0; n < frontChannelElementsCount; ++n) + count += frontElements[n].isCPE ? 2 : 1; + + for (int n = 0; n < sideChannelElementsCount; ++n) + count += sideElements[n].isCPE ? 2 : 1; + + for (int n = 0; n < backChannelElementsCount; ++n) + count += backElements[n].isCPE ? 2 : 1; + + return count; + } + + /** + * Turn this PCE into a known ChannelConfiguration. + * Todo: replace ChannelConfiguration by a preconfigured PCE. + * + * @return a matching ChannelConfiguration according its channel count. + */ + public ChannelConfiguration getChannelConfiguration() { + return ChannelConfiguration.forChannelCount(getChannelCount()); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/SCE.java b/src/main/java/net/sourceforge/jaad/aac/syntax/SCE.java new file mode 100644 index 00000000..b3810622 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/SCE.java @@ -0,0 +1,133 @@ +package net.sourceforge.jaad.aac.syntax; + +import java.util.List; +import java.util.function.Consumer; +import java.util.logging.Level; +import java.util.logging.Logger; + +import net.sourceforge.jaad.aac.DecoderConfig; +import net.sourceforge.jaad.aac.filterbank.FilterBank; +import net.sourceforge.jaad.aac.sbr.SBR; +import net.sourceforge.jaad.aac.sbr.SBR1; + + +/** + * single_channel_element: abbreviaton SCE. + *

+ * Syntactic element of the bitstream containing coded + * data for a single audio channel. A single_channel_element basically + * consists of an individual_channel_stream. There may be up to 16 + * such elements per raw data block, each one must have a unique + * element_instance_tag. + */ +class SCE extends ChannelElement { + + static final Logger LOGGER = Logger.getLogger(SCE.class.getName()); + + public static final Type TYPE = Type.SCE; + + static class Tag extends ChannelTag { + + protected Tag(int id) { + super(id); + } + + @Override + public boolean isChannelPair() { + return false; + } + + @Override + public Type getType() { + return TYPE; + } + + + @Override + public ChannelElement newElement(DecoderConfig config) { + return new SCE(config, this); + } + } + + public static final List TAGS = Element.createTagList(16, Tag::new); + + private final ICStream ics; + + SCE(DecoderConfig config, Tag tag) { + super(config, tag); + ics = new ICStream(config); + } + + protected SBR openSBR() { + return new SBR1(config); + } + + public void decode(BitStream in) { + super.decode(in); + ics.decode(in, false, config); + } + + public ICStream getICStream() { + return ics; + } + + @Override + public boolean isChannelPair() { + return false; + } + + @Override + public boolean isStereo() { + if (sbr != null && config.isSBREnabled()) { + //if(sbr.isPSUsed()) + return true; + } + + return false; + } + + public void process(FilterBank filterBank, List cces, Consumer target) { + + // inverse quantization + float[] iqData = ics.getInvQuantData(); + float[] dataL = getDataL(); + + // prediction + ics.processICP(); + + ics.processLTP(filterBank); + + // dependent coupling + processDependentCoupling(cces, CCE.BEFORE_TNS, iqData, null); + + // TNS + ics.processTNS(); + + // dependent coupling + processDependentCoupling(cces, CCE.AFTER_TNS, iqData, null); + + // filterbank + ics.process(dataL, filterBank); + + ics.updateLTP(dataL); + + // dependent coupling + processIndependentCoupling(cces, dataL, null); + + // gain control + ics.processGainControl(); + target.accept(dataL); + + // SBR + if (isSBRPresent() && config.isSBREnabled()) { + if (dataL.length != config.getSampleLength()) + LOGGER.log(Level.WARNING, "SBR data present, but buffer has normal size!"); + + float[] dataR = getDataR(); + getSBR().process(dataL, dataR); + target.accept(dataR); + } else if (dataL.length != config.getFrameLength()) { + SBR.upsample(dataL); + } + } +} diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/SCE_LFE.java b/src/main/java/net/sourceforge/jaad/aac/syntax/SCE_LFE.java deleted file mode 100644 index b909c43b..00000000 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/SCE_LFE.java +++ /dev/null @@ -1,23 +0,0 @@ -package net.sourceforge.jaad.aac.syntax; - -import net.sourceforge.jaad.aac.AACException; -import net.sourceforge.jaad.aac.DecoderConfig; - -class SCE_LFE extends Element { - - private final ICStream ics; - - SCE_LFE(int frameLength) { - super(); - ics = new ICStream(frameLength); - } - - void decode(BitStream in, DecoderConfig conf) throws AACException { - readElementInstanceTag(in); - ics.decode(in, false, conf); - } - - public ICStream getICStream() { - return ics; - } -} diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/ScaleFactorBands.java b/src/main/java/net/sourceforge/jaad/aac/syntax/ScaleFactorBands.java index d47914c4..4405cfc3 100644 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/ScaleFactorBands.java +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/ScaleFactorBands.java @@ -2,110 +2,110 @@ interface ScaleFactorBands { - /* scalefactor-band tables end with -1, so that an error can be detected - by index[i+1] without an exception */ - int[] SWB_LONG_WINDOW_COUNT = { - 41, 41, 47, 49, 49, 51, 47, 47, 43, 43, 43, 40 - }; - int[] SWB_OFFSET_1024_96 = { - 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, - 64, 72, 80, 88, 96, 108, 120, 132, 144, 156, 172, 188, 212, 240, - 276, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, - -1 - }; - int[] SWB_OFFSET_1024_64 = { - 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, - 64, 72, 80, 88, 100, 112, 124, 140, 156, 172, 192, 216, 240, 268, - 304, 344, 384, 424, 464, 504, 544, 584, 624, 664, 704, 744, 784, 824, - 864, 904, 944, 984, 1024, - -1 - }; - int[] SWB_OFFSET_1024_48 = { - 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, - 80, 88, 96, 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, - 320, 352, 384, 416, 448, 480, 512, 544, 576, 608, 640, 672, 704, 736, - 768, 800, 832, 864, 896, 928, 1024, - -1 - }; - int[] SWB_OFFSET_1024_32 = { - 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, - 80, 88, 96, 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, - 320, 352, 384, 416, 448, 480, 512, 544, 576, 608, 640, 672, 704, 736, - 768, 800, 832, 864, 896, 928, 960, 992, 1024, - -1 - }; - int[] SWB_OFFSET_1024_24 = { - 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 52, 60, 68, - 76, 84, 92, 100, 108, 116, 124, 136, 148, 160, 172, 188, 204, 220, - 240, 260, 284, 308, 336, 364, 396, 432, 468, 508, 552, 600, 652, 704, - 768, 832, 896, 960, 1024, - -1 - }; - int[] SWB_OFFSET_1024_16 = { - 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 100, 112, 124, - 136, 148, 160, 172, 184, 196, 212, 228, 244, 260, 280, 300, 320, 344, - 368, 396, 424, 456, 492, 532, 572, 616, 664, 716, 772, 832, 896, 960, 1024, - -1 - }; - int[] SWB_OFFSET_1024_8 = { - 0, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 172, - 188, 204, 220, 236, 252, 268, 288, 308, 328, 348, 372, 396, 420, 448, - 476, 508, 544, 580, 620, 664, 712, 764, 820, 880, 944, 1024, - -1 - }; - int[][] SWB_OFFSET_LONG_WINDOW = { - SWB_OFFSET_1024_96, - SWB_OFFSET_1024_96, - SWB_OFFSET_1024_64, - SWB_OFFSET_1024_48, - SWB_OFFSET_1024_48, - SWB_OFFSET_1024_32, - SWB_OFFSET_1024_24, - SWB_OFFSET_1024_24, - SWB_OFFSET_1024_16, - SWB_OFFSET_1024_16, - SWB_OFFSET_1024_16, - SWB_OFFSET_1024_8 - }; - int[] SWB_SHORT_WINDOW_COUNT = { - 12, 12, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15 - }; - int[] SWB_OFFSET_128_96 = { - 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128, - -1 - }; - int[] SWB_OFFSET_128_64 = { - 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128, - -1 - }; - int[] SWB_OFFSET_128_48 = { - 0, 4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 128, - -1 - }; - int[] SWB_OFFSET_128_24 = { - 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 128, - -1 - }; - int[] SWB_OFFSET_128_16 = { - 0, 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 128, - -1 - }; - int[] SWB_OFFSET_128_8 = { - 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 128, - -1 - }; - int[][] SWB_OFFSET_SHORT_WINDOW = { - SWB_OFFSET_128_96, - SWB_OFFSET_128_96, - SWB_OFFSET_128_64, - SWB_OFFSET_128_48, - SWB_OFFSET_128_48, - SWB_OFFSET_128_48, - SWB_OFFSET_128_24, - SWB_OFFSET_128_24, - SWB_OFFSET_128_16, - SWB_OFFSET_128_16, - SWB_OFFSET_128_16, - SWB_OFFSET_128_8 - }; + /* scalefactor-band tables end with -1, so that an error can be detected + by index[i+1] without an exception */ + int[] SWB_LONG_WINDOW_COUNT = { + 41, 41, 47, 49, 49, 51, 47, 47, 43, 43, 43, 40 + }; + int[] SWB_OFFSET_1024_96 = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, + 64, 72, 80, 88, 96, 108, 120, 132, 144, 156, 172, 188, 212, 240, + 276, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, + -1 + }; + int[] SWB_OFFSET_1024_64 = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, + 64, 72, 80, 88, 100, 112, 124, 140, 156, 172, 192, 216, 240, 268, + 304, 344, 384, 424, 464, 504, 544, 584, 624, 664, 704, 744, 784, 824, + 864, 904, 944, 984, 1024, + -1 + }; + int[] SWB_OFFSET_1024_48 = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, + 80, 88, 96, 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, + 320, 352, 384, 416, 448, 480, 512, 544, 576, 608, 640, 672, 704, 736, + 768, 800, 832, 864, 896, 928, 1024, + -1 + }; + int[] SWB_OFFSET_1024_32 = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, + 80, 88, 96, 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, + 320, 352, 384, 416, 448, 480, 512, 544, 576, 608, 640, 672, 704, 736, + 768, 800, 832, 864, 896, 928, 960, 992, 1024, + -1 + }; + int[] SWB_OFFSET_1024_24 = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 52, 60, 68, + 76, 84, 92, 100, 108, 116, 124, 136, 148, 160, 172, 188, 204, 220, + 240, 260, 284, 308, 336, 364, 396, 432, 468, 508, 552, 600, 652, 704, + 768, 832, 896, 960, 1024, + -1 + }; + int[] SWB_OFFSET_1024_16 = { + 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 100, 112, 124, + 136, 148, 160, 172, 184, 196, 212, 228, 244, 260, 280, 300, 320, 344, + 368, 396, 424, 456, 492, 532, 572, 616, 664, 716, 772, 832, 896, 960, 1024, + -1 + }; + int[] SWB_OFFSET_1024_8 = { + 0, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 172, + 188, 204, 220, 236, 252, 268, 288, 308, 328, 348, 372, 396, 420, 448, + 476, 508, 544, 580, 620, 664, 712, 764, 820, 880, 944, 1024, + -1 + }; + int[][] SWB_OFFSET_LONG_WINDOW = { + SWB_OFFSET_1024_96, + SWB_OFFSET_1024_96, + SWB_OFFSET_1024_64, + SWB_OFFSET_1024_48, + SWB_OFFSET_1024_48, + SWB_OFFSET_1024_32, + SWB_OFFSET_1024_24, + SWB_OFFSET_1024_24, + SWB_OFFSET_1024_16, + SWB_OFFSET_1024_16, + SWB_OFFSET_1024_16, + SWB_OFFSET_1024_8 + }; + int[] SWB_SHORT_WINDOW_COUNT = { + 12, 12, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15 + }; + int[] SWB_OFFSET_128_96 = { + 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128, + -1 + }; + int[] SWB_OFFSET_128_64 = { + 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128, + -1 + }; + int[] SWB_OFFSET_128_48 = { + 0, 4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 128, + -1 + }; + int[] SWB_OFFSET_128_24 = { + 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 128, + -1 + }; + int[] SWB_OFFSET_128_16 = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 128, + -1 + }; + int[] SWB_OFFSET_128_8 = { + 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 128, + -1 + }; + int[][] SWB_OFFSET_SHORT_WINDOW = { + SWB_OFFSET_128_96, + SWB_OFFSET_128_96, + SWB_OFFSET_128_64, + SWB_OFFSET_128_48, + SWB_OFFSET_128_48, + SWB_OFFSET_128_48, + SWB_OFFSET_128_24, + SWB_OFFSET_128_24, + SWB_OFFSET_128_16, + SWB_OFFSET_128_16, + SWB_OFFSET_128_16, + SWB_OFFSET_128_8 + }; } diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/ScaleFactorTable.java b/src/main/java/net/sourceforge/jaad/aac/syntax/ScaleFactorTable.java index 1dfd9c1c..3594213e 100644 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/ScaleFactorTable.java +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/ScaleFactorTable.java @@ -2,96 +2,97 @@ /** * Scalefactor lookup table + * * @author in-somnia */ interface ScaleFactorTable { - float[] SCALEFACTOR_TABLE = {8.881784E-16f, 1.0562281E-15f, 1.2560739E-15f, - 1.4937321E-15f, 1.7763568E-15f, 2.1124561E-15f, - 2.5121479E-15f, 2.9874642E-15f, 3.5527137E-15f, 4.2249122E-15f, 5.0242958E-15f, - 5.9749285E-15f, 7.1054274E-15f, 8.4498245E-15f, 1.00485916E-14f, 1.1949857E-14f, - 1.4210855E-14f, 1.6899649E-14f, 2.0097183E-14f, 2.3899714E-14f, 2.842171E-14f, - 3.3799298E-14f, 4.0194366E-14f, 4.7799428E-14f, 5.684342E-14f, 6.7598596E-14f, - 8.038873E-14f, 9.5598856E-14f, 1.1368684E-13f, 1.3519719E-13f, 1.6077747E-13f, - 1.9119771E-13f, 2.2737368E-13f, 2.7039438E-13f, 3.2155493E-13f, 3.8239542E-13f, - 4.5474735E-13f, 5.4078877E-13f, 6.4310986E-13f, 7.6479085E-13f, 9.094947E-13f, - 1.0815775E-12f, 1.2862197E-12f, 1.5295817E-12f, 1.8189894E-12f, 2.163155E-12f, - 2.5724394E-12f, 3.0591634E-12f, 3.6379788E-12f, 4.32631E-12f, 5.144879E-12f, - 6.1183268E-12f, 7.2759576E-12f, 8.65262E-12f, 1.0289758E-11f, 1.22366535E-11f, - 1.4551915E-11f, 1.730524E-11f, 2.0579516E-11f, 2.4473307E-11f, 2.910383E-11f, - 3.461048E-11f, 4.115903E-11f, 4.8946614E-11f, 5.820766E-11f, 6.922096E-11f, - 8.231806E-11f, 9.789323E-11f, 1.1641532E-10f, 1.3844192E-10f, 1.6463612E-10f, - 1.9578646E-10f, 2.3283064E-10f, 2.7688385E-10f, 3.2927225E-10f, 3.915729E-10f, - 4.656613E-10f, 5.537677E-10f, 6.585445E-10f, 7.831458E-10f, 9.313226E-10f, - 1.1075354E-9f, 1.317089E-9f, 1.5662917E-9f, 1.8626451E-9f, 2.2150708E-9f, - 2.634178E-9f, 3.1325833E-9f, 3.7252903E-9f, 4.4301416E-9f, 5.268356E-9f, - 6.2651666E-9f, 7.4505806E-9f, 8.860283E-9f, 1.0536712E-8f, 1.2530333E-8f, - 1.4901161E-8f, 1.7720566E-8f, 2.1073424E-8f, 2.5060666E-8f, 2.9802322E-8f, - 3.5441133E-8f, 4.2146848E-8f, 5.0121333E-8f, 5.9604645E-8f, 7.0882265E-8f, - 8.4293696E-8f, 1.00242666E-7f, 1.1920929E-7f, 1.4176453E-7f, 1.6858739E-7f, - 2.0048533E-7f, 2.3841858E-7f, 2.8352906E-7f, 3.3717478E-7f, 4.0097066E-7f, - 4.7683716E-7f, 5.670581E-7f, 6.7434956E-7f, 8.019413E-7f, 9.536743E-7f, - 1.1341162E-6f, 1.3486991E-6f, 1.6038827E-6f, 1.9073486E-6f, 2.2682325E-6f, - 2.6973983E-6f, 3.2077653E-6f, 3.8146973E-6f, 4.536465E-6f, 5.3947965E-6f, - 6.4155306E-6f, 7.6293945E-6f, 9.07293E-6f, 1.0789593E-5f, 1.2831061E-5f, - 1.5258789E-5f, 1.814586E-5f, 2.1579186E-5f, 2.5662122E-5f, 3.0517578E-5f, - 3.629172E-5f, 4.3158372E-5f, 5.1324245E-5f, 6.1035156E-5f, 7.258344E-5f, - 8.6316744E-5f, 1.0264849E-4f, 1.2207031E-4f, 1.4516688E-4f, 1.7263349E-4f, - 2.0529698E-4f, 2.4414062E-4f, 2.9033376E-4f, 3.4526698E-4f, 4.1059396E-4f, - 4.8828125E-4f, 5.806675E-4f, 6.9053395E-4f, 8.211879E-4f, 9.765625E-4f, - 0.001161335f, 0.0013810679f, 0.0016423758f, 0.001953125f, 0.00232267f, - 0.0027621358f, 0.0032847517f, 0.00390625f, 0.00464534f, 0.0055242716f, - 0.0065695033f, 0.0078125f, 0.00929068f, 0.011048543f, 0.013139007f, - 0.015625f, 0.01858136f, 0.022097087f, 0.026278013f, 0.03125f, - 0.03716272f, 0.044194173f, 0.052556027f, 0.0625f, 0.07432544f, - 0.088388346f, 0.10511205f, 0.125f, 0.14865088f, 0.17677669f, - 0.2102241f, 0.25f, 0.29730177f, 0.35355338f, 0.4204482f, - 0.5f, 0.59460354f, 0.70710677f, 0.8408964f, 1.0f, - 1.1892071f, 1.4142135f, 1.6817929f, 2.0f, 2.3784142f, - 2.828427f, 3.3635857f, 4.0f, 4.7568283f, 5.656854f, - 6.7271714f, 8.0f, 9.513657f, 11.313708f, 13.454343f, - 16.0f, 19.027313f, 22.627417f, 26.908686f, 32.0f, - 38.054626f, 45.254833f, 53.81737f, 64.0f, 76.10925f, - 90.50967f, 107.63474f, 128.0f, 152.2185f, 181.01933f, - 215.26949f, 256.0f, 304.437f, 362.03867f, 430.53897f, - 512.0f, 608.874f, 724.07733f, 861.07794f, 1024.0f, - 1217.748f, 1448.1547f, 1722.1559f, 2048.0f, 2435.496f, - 2896.3093f, 3444.3118f, 4096.0f, 4870.992f, 5792.6187f, - 6888.6235f, 8192.0f, 9741.984f, 11585.237f, 13777.247f, - 16384.0f, 19483.969f, 23170.475f, 27554.494f, 32768.0f, - 38967.938f, 46340.95f, 55108.99f, 65536.0f, 77935.875f, - 92681.9f, 110217.98f, 131072.0f, 155871.75f, 185363.8f, - 220435.95f, 262144.0f, 311743.5f, 370727.6f, 440871.9f, - 524288.0f, 623487.0f, 741455.2f, 881743.8f, 1048576.0f, - 1246974.0f, 1482910.4f, 1763487.6f, 2097152.0f, 2493948.0f, - 2965820.8f, 3526975.2f, 4194304.0f, 4987896.0f, 5931641.5f, - 7053950.5f, 8388608.0f, 9975792.0f, 1.1863283E7f, 1.4107901E7f, - 1.6777216E7f, 1.9951584E7f, 2.3726566E7f, 2.8215802E7f, 3.3554432E7f, - 3.9903168E7f, 4.7453132E7f, 5.6431604E7f, 6.7108864E7f, 7.9806336E7f, - 9.4906264E7f, 1.12863208E8f, 1.34217728E8f, 1.59612672E8f, 1.89812528E8f, - 2.25726416E8f, 2.68435456E8f, 3.19225344E8f, 3.79625056E8f, 4.51452832E8f, - 5.3687091E8f, 6.3845069E8f, 7.5925011E8f, 9.0290566E8f, 1.07374182E9f, - 1.27690138E9f, 1.51850022E9f, 1.80581133E9f, 2.14748365E9f, 2.55380275E9f, - 3.03700045E9f, 3.61162266E9f, 4.2949673E9f, 5.1076055E9f, 6.0740009E9f, - 7.2232453E9f, 8.5899346E9f, 1.0215211E10f, 1.21480018E10f, 1.44464906E10f, - 1.71798692E10f, 2.0430422E10f, 2.42960036E10f, 2.88929812E10f, 3.4359738E10f, - 4.0860844E10f, 4.8592007E10f, 5.7785962E10f, 6.8719477E10f, 8.1721688E10f, - 9.7184014E10f, 1.15571925E11f, 1.37438953E11f, 1.63443376E11f, 1.94368029E11f, - 2.3114385E11f, 2.74877907E11f, 3.26886752E11f, 3.88736057E11f, 4.622877E11f, - 5.4975581E11f, 6.537735E11f, 7.7747211E11f, 9.245754E11f, 1.09951163E12f, - 1.30754701E12f, 1.55494423E12f, 1.8491508E12f, 2.19902326E12f, 2.61509402E12f, - 3.10988846E12f, 3.6983016E12f, 4.3980465E12f, 5.230188E12f, 6.2197769E12f, - 7.3966032E12f, 8.796093E12f, 1.04603761E13f, 1.24395538E13f, 1.47932064E13f, - 1.7592186E13f, 2.09207521E13f, 2.48791077E13f, 2.95864128E13f, 3.5184372E13f, - 4.1841504E13f, 4.9758215E13f, 5.9172826E13f, 7.0368744E13f, 8.3683009E13f, - 9.9516431E13f, 1.18345651E14f, 1.40737488E14f, 1.67366017E14f, 1.99032861E14f, - 2.36691302E14f, 2.81474977E14f, 3.34732034E14f, 3.98065723E14f, 4.73382605E14f, - 5.6294995E14f, 6.6946407E14f, 7.9613145E14f, 9.4676521E14f, 1.12589991E15f, - 1.33892814E15f, 1.59226289E15f, 1.89353042E15f, 2.25179981E15f, 2.67785627E15f, - 3.18452578E15f, 3.78706084E15f, 4.5035996E15f, 5.3557125E15f, 6.3690516E15f, - 7.5741217E15f, 9.0071993E15f, 1.07114251E16f, 1.27381031E16f, 1.51482434E16f, - 1.80143985E16f, 2.14228502E16f, 2.54762063E16f, 3.02964867E16f, 3.6028797E16f, - 4.28457E16f, 5.0952413E16f, 6.0592973E16f, 7.2057594E16f, 8.5691401E16f, - 1.01904825E17f, 1.21185947E17f - }; + float[] SCALEFACTOR_TABLE = {8.881784E-16f, 1.0562281E-15f, 1.2560739E-15f, + 1.4937321E-15f, 1.7763568E-15f, 2.1124561E-15f, + 2.5121479E-15f, 2.9874642E-15f, 3.5527137E-15f, 4.2249122E-15f, 5.0242958E-15f, + 5.9749285E-15f, 7.1054274E-15f, 8.4498245E-15f, 1.00485916E-14f, 1.1949857E-14f, + 1.4210855E-14f, 1.6899649E-14f, 2.0097183E-14f, 2.3899714E-14f, 2.842171E-14f, + 3.3799298E-14f, 4.0194366E-14f, 4.7799428E-14f, 5.684342E-14f, 6.7598596E-14f, + 8.038873E-14f, 9.5598856E-14f, 1.1368684E-13f, 1.3519719E-13f, 1.6077747E-13f, + 1.9119771E-13f, 2.2737368E-13f, 2.7039438E-13f, 3.2155493E-13f, 3.8239542E-13f, + 4.5474735E-13f, 5.4078877E-13f, 6.4310986E-13f, 7.6479085E-13f, 9.094947E-13f, + 1.0815775E-12f, 1.2862197E-12f, 1.5295817E-12f, 1.8189894E-12f, 2.163155E-12f, + 2.5724394E-12f, 3.0591634E-12f, 3.6379788E-12f, 4.32631E-12f, 5.144879E-12f, + 6.1183268E-12f, 7.2759576E-12f, 8.65262E-12f, 1.0289758E-11f, 1.22366535E-11f, + 1.4551915E-11f, 1.730524E-11f, 2.0579516E-11f, 2.4473307E-11f, 2.910383E-11f, + 3.461048E-11f, 4.115903E-11f, 4.8946614E-11f, 5.820766E-11f, 6.922096E-11f, + 8.231806E-11f, 9.789323E-11f, 1.1641532E-10f, 1.3844192E-10f, 1.6463612E-10f, + 1.9578646E-10f, 2.3283064E-10f, 2.7688385E-10f, 3.2927225E-10f, 3.915729E-10f, + 4.656613E-10f, 5.537677E-10f, 6.585445E-10f, 7.831458E-10f, 9.313226E-10f, + 1.1075354E-9f, 1.317089E-9f, 1.5662917E-9f, 1.8626451E-9f, 2.2150708E-9f, + 2.634178E-9f, 3.1325833E-9f, 3.7252903E-9f, 4.4301416E-9f, 5.268356E-9f, + 6.2651666E-9f, 7.4505806E-9f, 8.860283E-9f, 1.0536712E-8f, 1.2530333E-8f, + 1.4901161E-8f, 1.7720566E-8f, 2.1073424E-8f, 2.5060666E-8f, 2.9802322E-8f, + 3.5441133E-8f, 4.2146848E-8f, 5.0121333E-8f, 5.9604645E-8f, 7.0882265E-8f, + 8.4293696E-8f, 1.00242666E-7f, 1.1920929E-7f, 1.4176453E-7f, 1.6858739E-7f, + 2.0048533E-7f, 2.3841858E-7f, 2.8352906E-7f, 3.3717478E-7f, 4.0097066E-7f, + 4.7683716E-7f, 5.670581E-7f, 6.7434956E-7f, 8.019413E-7f, 9.536743E-7f, + 1.1341162E-6f, 1.3486991E-6f, 1.6038827E-6f, 1.9073486E-6f, 2.2682325E-6f, + 2.6973983E-6f, 3.2077653E-6f, 3.8146973E-6f, 4.536465E-6f, 5.3947965E-6f, + 6.4155306E-6f, 7.6293945E-6f, 9.07293E-6f, 1.0789593E-5f, 1.2831061E-5f, + 1.5258789E-5f, 1.814586E-5f, 2.1579186E-5f, 2.5662122E-5f, 3.0517578E-5f, + 3.629172E-5f, 4.3158372E-5f, 5.1324245E-5f, 6.1035156E-5f, 7.258344E-5f, + 8.6316744E-5f, 1.0264849E-4f, 1.2207031E-4f, 1.4516688E-4f, 1.7263349E-4f, + 2.0529698E-4f, 2.4414062E-4f, 2.9033376E-4f, 3.4526698E-4f, 4.1059396E-4f, + 4.8828125E-4f, 5.806675E-4f, 6.9053395E-4f, 8.211879E-4f, 9.765625E-4f, + 0.001161335f, 0.0013810679f, 0.0016423758f, 0.001953125f, 0.00232267f, + 0.0027621358f, 0.0032847517f, 0.00390625f, 0.00464534f, 0.0055242716f, + 0.0065695033f, 0.0078125f, 0.00929068f, 0.011048543f, 0.013139007f, + 0.015625f, 0.01858136f, 0.022097087f, 0.026278013f, 0.03125f, + 0.03716272f, 0.044194173f, 0.052556027f, 0.0625f, 0.07432544f, + 0.088388346f, 0.10511205f, 0.125f, 0.14865088f, 0.17677669f, + 0.2102241f, 0.25f, 0.29730177f, 0.35355338f, 0.4204482f, + 0.5f, 0.59460354f, 0.70710677f, 0.8408964f, 1.0f, + 1.1892071f, 1.4142135f, 1.6817929f, 2.0f, 2.3784142f, + 2.828427f, 3.3635857f, 4.0f, 4.7568283f, 5.656854f, + 6.7271714f, 8.0f, 9.513657f, 11.313708f, 13.454343f, + 16.0f, 19.027313f, 22.627417f, 26.908686f, 32.0f, + 38.054626f, 45.254833f, 53.81737f, 64.0f, 76.10925f, + 90.50967f, 107.63474f, 128.0f, 152.2185f, 181.01933f, + 215.26949f, 256.0f, 304.437f, 362.03867f, 430.53897f, + 512.0f, 608.874f, 724.07733f, 861.07794f, 1024.0f, + 1217.748f, 1448.1547f, 1722.1559f, 2048.0f, 2435.496f, + 2896.3093f, 3444.3118f, 4096.0f, 4870.992f, 5792.6187f, + 6888.6235f, 8192.0f, 9741.984f, 11585.237f, 13777.247f, + 16384.0f, 19483.969f, 23170.475f, 27554.494f, 32768.0f, + 38967.938f, 46340.95f, 55108.99f, 65536.0f, 77935.875f, + 92681.9f, 110217.98f, 131072.0f, 155871.75f, 185363.8f, + 220435.95f, 262144.0f, 311743.5f, 370727.6f, 440871.9f, + 524288.0f, 623487.0f, 741455.2f, 881743.8f, 1048576.0f, + 1246974.0f, 1482910.4f, 1763487.6f, 2097152.0f, 2493948.0f, + 2965820.8f, 3526975.2f, 4194304.0f, 4987896.0f, 5931641.5f, + 7053950.5f, 8388608.0f, 9975792.0f, 1.1863283E7f, 1.4107901E7f, + 1.6777216E7f, 1.9951584E7f, 2.3726566E7f, 2.8215802E7f, 3.3554432E7f, + 3.9903168E7f, 4.7453132E7f, 5.6431604E7f, 6.7108864E7f, 7.9806336E7f, + 9.4906264E7f, 1.12863208E8f, 1.34217728E8f, 1.59612672E8f, 1.89812528E8f, + 2.25726416E8f, 2.68435456E8f, 3.19225344E8f, 3.79625056E8f, 4.51452832E8f, + 5.3687091E8f, 6.3845069E8f, 7.5925011E8f, 9.0290566E8f, 1.07374182E9f, + 1.27690138E9f, 1.51850022E9f, 1.80581133E9f, 2.14748365E9f, 2.55380275E9f, + 3.03700045E9f, 3.61162266E9f, 4.2949673E9f, 5.1076055E9f, 6.0740009E9f, + 7.2232453E9f, 8.5899346E9f, 1.0215211E10f, 1.21480018E10f, 1.44464906E10f, + 1.71798692E10f, 2.0430422E10f, 2.42960036E10f, 2.88929812E10f, 3.4359738E10f, + 4.0860844E10f, 4.8592007E10f, 5.7785962E10f, 6.8719477E10f, 8.1721688E10f, + 9.7184014E10f, 1.15571925E11f, 1.37438953E11f, 1.63443376E11f, 1.94368029E11f, + 2.3114385E11f, 2.74877907E11f, 3.26886752E11f, 3.88736057E11f, 4.622877E11f, + 5.4975581E11f, 6.537735E11f, 7.7747211E11f, 9.245754E11f, 1.09951163E12f, + 1.30754701E12f, 1.55494423E12f, 1.8491508E12f, 2.19902326E12f, 2.61509402E12f, + 3.10988846E12f, 3.6983016E12f, 4.3980465E12f, 5.230188E12f, 6.2197769E12f, + 7.3966032E12f, 8.796093E12f, 1.04603761E13f, 1.24395538E13f, 1.47932064E13f, + 1.7592186E13f, 2.09207521E13f, 2.48791077E13f, 2.95864128E13f, 3.5184372E13f, + 4.1841504E13f, 4.9758215E13f, 5.9172826E13f, 7.0368744E13f, 8.3683009E13f, + 9.9516431E13f, 1.18345651E14f, 1.40737488E14f, 1.67366017E14f, 1.99032861E14f, + 2.36691302E14f, 2.81474977E14f, 3.34732034E14f, 3.98065723E14f, 4.73382605E14f, + 5.6294995E14f, 6.6946407E14f, 7.9613145E14f, 9.4676521E14f, 1.12589991E15f, + 1.33892814E15f, 1.59226289E15f, 1.89353042E15f, 2.25179981E15f, 2.67785627E15f, + 3.18452578E15f, 3.78706084E15f, 4.5035996E15f, 5.3557125E15f, 6.3690516E15f, + 7.5741217E15f, 9.0071993E15f, 1.07114251E16f, 1.27381031E16f, 1.51482434E16f, + 1.80143985E16f, 2.14228502E16f, 2.54762063E16f, 3.02964867E16f, 3.6028797E16f, + 4.28457E16f, 5.0952413E16f, 6.0592973E16f, 7.2057594E16f, 8.5691401E16f, + 1.01904825E17f, 1.21185947E17f + }; } diff --git a/src/main/java/net/sourceforge/jaad/aac/syntax/SyntacticElements.java b/src/main/java/net/sourceforge/jaad/aac/syntax/SyntacticElements.java index 2249a45b..6c17f6f8 100644 --- a/src/main/java/net/sourceforge/jaad/aac/syntax/SyntacticElements.java +++ b/src/main/java/net/sourceforge/jaad/aac/syntax/SyntacticElements.java @@ -1,411 +1,246 @@ package net.sourceforge.jaad.aac.syntax; -import java.util.logging.Level; -import net.sourceforge.jaad.aac.*; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.logging.Logger; + +import net.sourceforge.jaad.aac.AACException; +import net.sourceforge.jaad.aac.DecoderConfig; import net.sourceforge.jaad.aac.filterbank.FilterBank; -import net.sourceforge.jaad.aac.sbr.SBR; -import net.sourceforge.jaad.aac.tools.IS; -import net.sourceforge.jaad.aac.tools.LTPrediction; -import net.sourceforge.jaad.aac.tools.MS; - -public class SyntacticElements implements Constants { - - //global properties - private DecoderConfig config; - private boolean sbrPresent, psPresent; - private int bitsRead; - //elements - private final PCE pce; - private final Element[] elements; //SCE, LFE and CPE - private final CCE[] cces; - private final DSE[] dses; - private final FIL[] fils; - private int curElem, curCCE, curDSE, curFIL; - private float[][] data; - - public SyntacticElements(DecoderConfig config) { - this.config = config; - - pce = new PCE(); - elements = new Element[4*MAX_ELEMENTS]; - cces = new CCE[MAX_ELEMENTS]; - dses = new DSE[MAX_ELEMENTS]; - fils = new FIL[MAX_ELEMENTS]; - - startNewFrame(); - } - - public final void startNewFrame() { - curElem = 0; - curCCE = 0; - curDSE = 0; - curFIL = 0; - sbrPresent = false; - psPresent = false; - bitsRead = 0; - } - - public void decode(BitStream in) throws AACException { - final int start = in.getPosition(); //should be 0 - - int type; - Element prev = null; - boolean content = true; - if(!config.getProfile().isErrorResilientProfile()) { - while(content&&(type = in.readBits(3))!=ELEMENT_END) { - switch(type) { - case ELEMENT_SCE: - case ELEMENT_LFE: - LOGGER.finest("SCE"); - prev = decodeSCE_LFE(in); - break; - case ELEMENT_CPE: - LOGGER.finest("CPE"); - prev = decodeCPE(in); - break; - case ELEMENT_CCE: - LOGGER.finest("CCE"); - decodeCCE(in); - prev = null; - break; - case ELEMENT_DSE: - LOGGER.finest("DSE"); - decodeDSE(in); - prev = null; - break; - case ELEMENT_PCE: - LOGGER.finest("PCE"); - decodePCE(in); - prev = null; - break; - case ELEMENT_FIL: - LOGGER.finest("FIL"); - decodeFIL(in, prev); - prev = null; - break; - } - } - LOGGER.finest("END"); - content = false; - prev = null; - } - else { - //error resilient raw data block - switch(config.getChannelConfiguration()) { - case CHANNEL_CONFIG_MONO: - decodeSCE_LFE(in); - break; - case CHANNEL_CONFIG_STEREO: - decodeCPE(in); - break; - case CHANNEL_CONFIG_STEREO_PLUS_CENTER: - decodeSCE_LFE(in); - decodeCPE(in); - break; - case CHANNEL_CONFIG_STEREO_PLUS_CENTER_PLUS_REAR_MONO: - decodeSCE_LFE(in); - decodeCPE(in); - decodeSCE_LFE(in); - break; - case CHANNEL_CONFIG_FIVE: - decodeSCE_LFE(in); - decodeCPE(in); - decodeCPE(in); - break; - case CHANNEL_CONFIG_FIVE_PLUS_ONE: - decodeSCE_LFE(in); - decodeCPE(in); - decodeCPE(in); - decodeSCE_LFE(in); - break; - case CHANNEL_CONFIG_SEVEN_PLUS_ONE: - decodeSCE_LFE(in); - decodeCPE(in); - decodeCPE(in); - decodeCPE(in); - decodeSCE_LFE(in); - break; - default: - throw new AACException("unsupported channel configuration for error resilience: "+config.getChannelConfiguration()); - } - } - in.byteAlign(); - - bitsRead = in.getPosition()-start; - } - - private Element decodeSCE_LFE(BitStream in) throws AACException { - if(elements[curElem]==null) elements[curElem] = new SCE_LFE(config.getFrameLength()); - ((SCE_LFE) elements[curElem]).decode(in, config); - curElem++; - return elements[curElem-1]; - } - - private Element decodeCPE(BitStream in) throws AACException { - if(elements[curElem]==null) elements[curElem] = new CPE(config.getFrameLength()); - ((CPE) elements[curElem]).decode(in, config); - curElem++; - return elements[curElem-1]; - } - - private void decodeCCE(BitStream in) throws AACException { - if(curCCE==MAX_ELEMENTS) throw new AACException("too much CCE elements"); - if(cces[curCCE]==null) cces[curCCE] = new CCE(config.getFrameLength()); - cces[curCCE].decode(in, config); - curCCE++; - } - - private void decodeDSE(BitStream in) throws AACException { - if(curDSE==MAX_ELEMENTS) throw new AACException("too much CCE elements"); - if(dses[curDSE]==null) dses[curDSE] = new DSE(); - dses[curDSE].decode(in); - curDSE++; - } - - private void decodePCE(BitStream in) throws AACException { - pce.decode(in); - config.setProfile(pce.getProfile()); - config.setSampleFrequency(pce.getSampleFrequency()); - config.setChannelConfiguration(ChannelConfiguration.forInt(pce.getChannelCount())); - } - - private void decodeFIL(BitStream in, Element prev) throws AACException { - if(curFIL==MAX_ELEMENTS) throw new AACException("too much FIL elements"); - if(fils[curFIL]==null) fils[curFIL] = new FIL(config.isSBRDownSampled()); - fils[curFIL].decode(in, prev, config.getSampleFrequency(), config.isSBREnabled(), config.isSmallFrameUsed()); - curFIL++; - - if(prev!=null&&prev.isSBRPresent()) { - sbrPresent = true; - if(!psPresent&&prev.getSBR().isPSUsed()) psPresent = true; - } - } - - public void process(FilterBank filterBank) throws AACException { - final Profile profile = config.getProfile(); - final SampleFrequency sf = config.getSampleFrequency(); - //final ChannelConfiguration channels = config.getChannelConfiguration(); - - int chs = config.getChannelConfiguration().getChannelCount(); - if(chs==1&&psPresent) chs++; - final int mult = sbrPresent ? 2 : 1; - //only reallocate if needed - if(data==null||chs!=data.length||(mult*config.getFrameLength())!=data[0].length) data = new float[chs][mult*config.getFrameLength()]; - - int channel = 0; - Element e; - SCE_LFE scelfe; - CPE cpe; - for(int i = 0; i>8)&BYTE_MASK); - b[off+1] = (byte) (s&BYTE_MASK); - } - else { - b[off+1] = (byte) ((s>>8)&BYTE_MASK); - b[off] = (byte) (s&BYTE_MASK); - } - } - } - - buffer.setData(b, freq, chs, 16, bitsRead); - } + + +public class SyntacticElements { + + static final Logger LOGGER = Logger.getLogger(SyntacticElements.class.getName()); + + //global properties + + private DecoderConfig config; + + private final FilterBank filterBank; + + //elements + + private List cces = new ArrayList<>(); + + private final Map elements = new HashMap<>(); + + private final List audioElements = new ArrayList<>(); //SCE, LFE and CPE + + private List channels = new ArrayList<>(); + + private Element newElement(Element.InstanceTag tag) { + return tag.newElement(config); + } + + private Element getElement(Element.InstanceTag tag) { + return elements.computeIfAbsent(tag, this::newElement); + } + + public SyntacticElements(DecoderConfig config) { + this.config = config; + filterBank = new FilterBank(config.isSmallFrameUsed()); + + startNewFrame(); + } + + public final void startNewFrame() { + audioElements.clear(); + cces.clear(); + channels.clear(); + } + + public void decode(BitStream in) { + if (!config.getProfile().isErrorResilientProfile()) { + +loop: + do { + switch (Element.readType(in)) { + case SCE: + decode(SCE.TAGS, in); + break; + case CPE: + decode(CPE.TAGS, in); + break; + case CCE: + decode(CCE.TAGS, in); + break; + case LFE: + decode(LFE.TAGS, in); + break; + case DSE: + decode(DSE.TAGS, in); + break; + case PCE: + decode(PCE.TAGS, in); + break; + case FIL: + decodeFIL(in); + break; + case END: + break loop; + } + } while (true); + } else { + //error resilient raw data block + switch (config.getChannelConfiguration()) { + case MONO: + decode(SCE.TAGS, in); + break; + case STEREO: + decode(CPE.TAGS, in); + break; + case STEREO_PLUS_CENTER: + decode(SCE.TAGS, in); + decode(CPE.TAGS, in); + break; + case STEREO_PLUS_CENTER_PLUS_REAR_MONO: + decode(SCE.TAGS, in); + decode(CPE.TAGS, in); + decode(LFE.TAGS, in); + break; + case FIVE: + decode(SCE.TAGS, in); + decode(CPE.TAGS, in); + decode(CPE.TAGS, in); + break; + case FIVE_PLUS_ONE: + decode(SCE.TAGS, in); + decode(CPE.TAGS, in); + decode(CPE.TAGS, in); + decode(LFE.TAGS, in); + break; + case SEVEN_PLUS_ONE: + decode(SCE.TAGS, in); + decode(CPE.TAGS, in); + decode(CPE.TAGS, in); + decode(CPE.TAGS, in); + decode(LFE.TAGS, in); + break; + default: + throw new AACException("unsupported channel configuration for error resilience: " + config.getChannelConfiguration()); + } + } + in.byteAlign(); + + LOGGER.finest("END"); + } + + private Element decode(List tags, BitStream in) { + + int id = in.readBits(4); + Element.InstanceTag tag = tags.get(id); + + LOGGER.finest(tag.toString()); + + Element element = getElement(tag); + + element.decode(in); + + if (element instanceof ChannelElement) { + audioElements.add((ChannelElement) element); + } + + if (element instanceof CCE) { + cces.add((CCE) element); + } + + if (element instanceof PCE) { + PCE pce = (PCE) element; + config.setAudioDecoderInfo(pce); + } + + return element; + } + + private static final int EXT_FILL = 0; + private static final int EXT_FILL_DATA = 1; + private static final int EXT_DATA_ELEMENT = 2; + private static final int EXT_DYNAMIC_RANGE = 11; + private static final int EXT_SAC_DATA = 12; + private static final int EXT_SBR_DATA = 13; + private static final int EXT_SBR_DATA_CRC = 14; + + private void decodeFIL(BitStream in) { + + int count = in.readBits(4); + if (count == 15) + count += in.readBits(8) - 1; + + if (count == 0) + return; + + in = in.readSubStream(8 * count); + + int type = in.readBits(4); + + switch (type) { + case EXT_DYNAMIC_RANGE: + decodeDynamicRangeInfo(in); + break; + + case EXT_SBR_DATA: + case EXT_SBR_DATA_CRC: + decodeSBR(in, type); + break; + + case EXT_FILL: + case EXT_FILL_DATA: + break; + + case EXT_SAC_DATA: + decodeSAC(in); + break; + + case EXT_DATA_ELEMENT: + decodeExtData(in); + } + } + + private ChannelElement getLastAudioElement() { + int n = audioElements.size(); + return n == 0 ? null : audioElements.get(n - 1); + } + + private void decodeSBR(BitStream in, int type) { + ChannelElement prev = getLastAudioElement(); + if (prev != null) + prev.decodeSBR(in, (type == EXT_SBR_DATA_CRC)); + } + + // decoded but unused. + private DRC dri; + + private void decodeDynamicRangeInfo(BitStream in) { + if (dri == null) + dri = new DRC(); + + dri.decode(in); + } + + // Spatial Audio Coding (ISO/IEC 23003-1) + private void decodeSAC(BitStream in) { + + } + + private void decodeExtData(BitStream in) { + + } + + public List process() { + + channels.clear(); + + for (ChannelElement e : audioElements) { + e.process(filterBank, cces, channels::add); + } + + // upgrade to stereo + if (channels.size() == 1 && config.getChannelCount() > 1) + channels.add(channels.get(0)); + + return channels; + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/tools/ICPrediction.java b/src/main/java/net/sourceforge/jaad/aac/tools/ICPrediction.java index 9b473023..1da6d177 100644 --- a/src/main/java/net/sourceforge/jaad/aac/tools/ICPrediction.java +++ b/src/main/java/net/sourceforge/jaad/aac/tools/ICPrediction.java @@ -1,143 +1,137 @@ package net.sourceforge.jaad.aac.tools; +import java.util.logging.Level; +import java.util.logging.Logger; + import net.sourceforge.jaad.aac.AACException; import net.sourceforge.jaad.aac.SampleFrequency; import net.sourceforge.jaad.aac.syntax.BitStream; -import net.sourceforge.jaad.aac.syntax.Constants; import net.sourceforge.jaad.aac.syntax.ICSInfo; -import net.sourceforge.jaad.aac.syntax.ICStream; -import java.util.logging.Level; + /** * Intra-channel prediction used in profile Main + * * @author in-somnia */ public class ICPrediction { - private static final float SF_SCALE = 1.0f/-1024.0f; - private static final float INV_SF_SCALE = 1.0f/SF_SCALE; - private static final int MAX_PREDICTORS = 672; - private static final float A = 0.953125f; //61.0 / 64 - private static final float ALPHA = 0.90625f; //29.0 / 32 - private boolean predictorReset; - private int predictorResetGroup; - private boolean[] predictionUsed; - private PredictorState[] states; - - private static final class PredictorState { - - float cor0 = 0.0f; - float cor1 = 0.0f; - float var0 = 0.0f; - float var1 = 0.0f; - float r0 = 1.0f; - float r1 = 1.0f; - } - - public ICPrediction() { - states = new PredictorState[MAX_PREDICTORS]; - resetAllPredictors(); - } - - public void decode(BitStream in, int maxSFB, SampleFrequency sf) throws AACException { - final int predictorCount = sf.getPredictorCount(); - - if(predictorReset = in.readBool()) predictorResetGroup = in.readBits(5); - - final int maxPredSFB = sf.getMaximalPredictionSFB(); - final int length = Math.min(maxSFB, maxPredSFB); - predictionUsed = new boolean[length]; - for(int sfb = 0; sfb1 ? cor0*even(A/var0) : 0; - final float k2 = var1>1 ? cor1*even(A/var1) : 0; - - final float pv = round(k1*r0+k2*r1); - if(output) data[off] += pv*SF_SCALE; - - final float e0 = (data[off]*INV_SF_SCALE); - final float e1 = e0-k1*r0; - - state.cor1 = trunc(ALPHA*cor1+r1*e1); - state.var1 = trunc(ALPHA*var1+0.5f*(r1*r1+e1*e1)); - state.cor0 = trunc(ALPHA*cor0+r0*e0); - state.var0 = trunc(ALPHA*var0+0.5f*(r0*r0+e0*e0)); - - state.r1 = trunc(A*(r0-k1*e0)); - state.r0 = trunc(A*e0); - } - - private float round(float pf) { - return Float.intBitsToFloat((Float.floatToIntBits(pf)+0x00008000)&0xFFFF0000); - } - - private float even(float pf) { - int i = Float.floatToIntBits(pf); - i = (i+0x00007FFF+(i&0x00010000>>16))&0xFFFF0000; - return Float.intBitsToFloat(i); - } - - private float trunc(float pf) { - return Float.intBitsToFloat(Float.floatToIntBits(pf)&0xFFFF0000); - } + static final Logger LOGGER = Logger.getLogger(ICPrediction.class.getName()); + + private static final float SF_SCALE = 1.0f / -1024.0f; + private static final float INV_SF_SCALE = 1.0f / SF_SCALE; + private static final int MAX_PREDICTORS = 672; + private static final float A = 0.953125f; //61.0 / 64 + private static final float ALPHA = 0.90625f; //29.0 / 32 + private boolean predictorReset; + private int predictorResetGroup; + private boolean[] predictionUsed; + private PredictorState[] states; + + private static final class PredictorState { + + float cor0 = 0.0f; + float cor1 = 0.0f; + float var0 = 0.0f; + float var1 = 0.0f; + float r0 = 1.0f; + float r1 = 1.0f; + } + + public ICPrediction() { + states = new PredictorState[MAX_PREDICTORS]; + resetAllPredictors(); + } + + public void decode(BitStream in, int maxSFB, SampleFrequency sf) throws AACException { + int predictorCount = sf.getPredictorCount(); + + if (predictorReset = in.readBool()) predictorResetGroup = in.readBits(5); + + int maxPredSFB = sf.getMaximalPredictionSFB(); + int length = Math.min(maxSFB, maxPredSFB); + predictionUsed = new boolean[length]; + for (int sfb = 0; sfb < length; sfb++) { + predictionUsed[sfb] = in.readBool(); + } + LOGGER.log(Level.WARNING, "ICPrediction: maxSFB={0}, maxPredSFB={1}", new int[] {maxSFB, maxPredSFB}); + } + + public void process(ICSInfo info, float[] data) { + + if (info.isEightShortFrame()) + resetAllPredictors(); + else { + int len = info.getSFB(); + int[] swbOffsets = info.getSWBOffsets(); + for (int sfb = 0; sfb < len; sfb++) { + for (int k = swbOffsets[sfb]; k < swbOffsets[sfb + 1]; k++) { + predict(data, k, predictionUsed[sfb]); + } + } + if (predictorReset) + resetPredictorGroup(predictorResetGroup); + } + } + + private void resetPredictState(int index) { + if (states[index] == null) states[index] = new PredictorState(); + states[index].r0 = 0; + states[index].r1 = 0; + states[index].cor0 = 0; + states[index].cor1 = 0; + states[index].var0 = 0x3F80; + states[index].var1 = 0x3F80; + } + + private void resetAllPredictors() { + for (int i = 0; i < states.length; i++) { + resetPredictState(i); + } + } + + private void resetPredictorGroup(int group) { + for (int i = group - 1; i < states.length; i += 30) { + resetPredictState(i); + } + } + + private void predict(float[] data, int off, boolean output) { + if (states[off] == null) states[off] = new PredictorState(); + PredictorState state = states[off]; + float r0 = state.r0, r1 = state.r1; + float cor0 = state.cor0, cor1 = state.cor1; + float var0 = state.var0, var1 = state.var1; + + float k1 = var0 > 1 ? cor0 * even(A / var0) : 0; + float k2 = var1 > 1 ? cor1 * even(A / var1) : 0; + + float pv = round(k1 * r0 + k2 * r1); + if (output) data[off] += pv * SF_SCALE; + + float e0 = (data[off] * INV_SF_SCALE); + float e1 = e0 - k1 * r0; + + state.cor1 = trunc(ALPHA * cor1 + r1 * e1); + state.var1 = trunc(ALPHA * var1 + 0.5f * (r1 * r1 + e1 * e1)); + state.cor0 = trunc(ALPHA * cor0 + r0 * e0); + state.var0 = trunc(ALPHA * var0 + 0.5f * (r0 * r0 + e0 * e0)); + + state.r1 = trunc(A * (r0 - k1 * e0)); + state.r0 = trunc(A * e0); + } + + private float round(float pf) { + return Float.intBitsToFloat((Float.floatToIntBits(pf) + 0x00008000) & 0xFFFF0000); + } + + private float even(float pf) { + int i = Float.floatToIntBits(pf); + i = (i + 0x00007FFF + (i & 0x00010000 >> 16)) & 0xFFFF0000; + return Float.intBitsToFloat(i); + } + + private float trunc(float pf) { + return Float.intBitsToFloat(Float.floatToIntBits(pf) & 0xFFFF0000); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/tools/IS.java b/src/main/java/net/sourceforge/jaad/aac/tools/IS.java index 2262dc19..9ad1047a 100644 --- a/src/main/java/net/sourceforge/jaad/aac/tools/IS.java +++ b/src/main/java/net/sourceforge/jaad/aac/tools/IS.java @@ -2,56 +2,54 @@ import net.sourceforge.jaad.aac.huffman.HCB; import net.sourceforge.jaad.aac.syntax.CPE; -import net.sourceforge.jaad.aac.syntax.Constants; import net.sourceforge.jaad.aac.syntax.ICSInfo; import net.sourceforge.jaad.aac.syntax.ICStream; + /** * Intensity stereo + * * @author in-somnia */ -public final class IS implements Constants, ISScaleTable, HCB { +public final class IS implements ISScaleTable, HCB { - private IS() { - } + private IS() { + } - public static void process(CPE cpe, float[] specL, float[] specR) { - final ICStream ics = cpe.getRightChannel(); - final ICSInfo info = ics.getInfo(); - final int[] offsets = info.getSWBOffsets(); - final int windowGroups = info.getWindowGroupCount(); - final int maxSFB = info.getMaxSFB(); - final int[] sfbCB = ics.getSfbCB(); - final int[] sectEnd = ics.getSectEnd(); - final float[] scaleFactors = ics.getScaleFactors(); + public static void process(CPE cpe, float[] specL, float[] specR) { + ICStream ics = cpe.getRightChannel(); + ICSInfo info = ics.getInfo(); + int[] offsets = info.getSWBOffsets(); + int windowGroups = info.getWindowGroupCount(); + int maxSFB = info.getMaxSFB(); + int[] sfbCB = ics.getSfbCB(); + int[] sectEnd = ics.getSectEnd(); + float[] scaleFactors = ics.getScaleFactors(); - int w, i, j, c, end, off; - int idx = 0, groupOff = 0; - float scale; - for(int g = 0; g0.25*scaleFactor. + * * @author in-somnia */ interface ISScaleTable { - float[] SCALE_TABLE = { - 1.0f, - 0.8408964152537146f, - 0.7071067811865476f, - 0.5946035575013605f, - 0.5f, - 0.4204482076268573f, - 0.35355339059327373f, - 0.29730177875068026f, - 0.25f, - 0.21022410381342865f, - 0.17677669529663687f, - 0.14865088937534013f, - 0.125f, - 0.10511205190671433f, - 0.08838834764831843f, - 0.07432544468767006f, - 0.0625f, - 0.05255602595335716f, - 0.044194173824159216f, - 0.03716272234383503f, - 0.03125f, - 0.02627801297667858f, - 0.022097086912079608f, - 0.018581361171917516f, - 0.015625f, - 0.01313900648833929f, - 0.011048543456039804f, - 0.009290680585958758f, - 0.0078125f, - 0.006569503244169645f, - 0.005524271728019902f, - 0.004645340292979379f, - 0.00390625f, - 0.0032847516220848227f, - 0.002762135864009951f, - 0.0023226701464896895f, - 0.001953125f, - 0.0016423758110424114f, - 0.0013810679320049755f, - 0.0011613350732448448f, - 9.765625E-4f, - 8.211879055212057E-4f, - 6.905339660024878E-4f, - 5.806675366224224E-4f, - 4.8828125E-4f, - 4.1059395276060284E-4f, - 3.452669830012439E-4f, - 2.903337683112112E-4f, - 2.44140625E-4f, - 2.0529697638030142E-4f, - 1.7263349150062194E-4f, - 1.451668841556056E-4f, - 1.220703125E-4f, - 1.0264848819015071E-4f, - 8.631674575031097E-5f, - 7.25834420778028E-5f, - 6.103515625E-5f, - 5.1324244095075355E-5f, - 4.3158372875155485E-5f, - 3.62917210389014E-5f, - 3.0517578125E-5f, - 2.5662122047537677E-5f, - 2.1579186437577742E-5f, - 1.81458605194507E-5f, - 1.52587890625E-5f, - 1.2831061023768839E-5f, - 1.0789593218788871E-5f, - 9.07293025972535E-6f, - 7.62939453125E-6f, - 6.415530511884419E-6f, - 5.394796609394436E-6f, - 4.536465129862675E-6f, - 3.814697265625E-6f, - 3.2077652559422097E-6f, - 2.697398304697218E-6f, - 2.2682325649313374E-6f, - 1.9073486328125E-6f, - 1.6038826279711048E-6f, - 1.348699152348609E-6f, - 1.1341162824656687E-6f, - 9.5367431640625E-7f, - 8.019413139855524E-7f, - 6.743495761743044E-7f, - 5.670581412328344E-7f, - 4.76837158203125E-7f, - 4.009706569927762E-7f, - 3.371747880871522E-7f, - 2.835290706164172E-7f, - 2.384185791015625E-7f, - 2.004853284963881E-7f, - 1.685873940435761E-7f, - 1.417645353082086E-7f, - 1.1920928955078125E-7f, - 1.0024266424819405E-7f, - 8.429369702178806E-8f, - 7.08822676541043E-8f, - 5.9604644775390625E-8f, - 5.0121332124097026E-8f, - 4.214684851089403E-8f, - 3.544113382705215E-8f, - 2.9802322387695312E-8f, - 2.5060666062048513E-8f, - 2.1073424255447014E-8f, - 1.7720566913526073E-8f, - 1.4901161193847656E-8f, - 1.2530333031024257E-8f, - 1.0536712127723507E-8f, - 8.860283456763037E-9f, - 7.450580596923828E-9f, - 6.265166515512128E-9f, - 5.2683560638617535E-9f, - 4.430141728381518E-9f, - 3.725290298461914E-9f, - 3.132583257756064E-9f, - 2.6341780319308768E-9f, - 2.215070864190759E-9f, - 1.862645149230957E-9f, - 1.566291628878032E-9f, - 1.3170890159654384E-9f, - 1.1075354320953796E-9f, - 9.313225746154785E-10f, - 7.83145814439016E-10f, - 6.585445079827192E-10f, - 5.537677160476898E-10f, - 4.6566128730773926E-10f, - 3.91572907219508E-10f, - 3.292722539913596E-10f, - 2.768838580238449E-10f, - 2.3283064365386963E-10f, - 1.95786453609754E-10f, - 1.646361269956798E-10f, - 1.3844192901192245E-10f, - 1.1641532182693481E-10f, - 9.7893226804877E-11f, - 8.23180634978399E-11f, - 6.922096450596122E-11f, - 5.820766091346741E-11f, - 4.89466134024385E-11f, - 4.115903174891995E-11f, - 3.461048225298061E-11f, - 2.9103830456733704E-11f, - 2.447330670121925E-11f, - 2.0579515874459975E-11f, - 1.7305241126490306E-11f, - 1.4551915228366852E-11f, - 1.2236653350609626E-11f, - 1.0289757937229987E-11f, - 8.652620563245153E-12f, - 7.275957614183426E-12f, - 6.118326675304813E-12f, - 5.144878968614994E-12f, - 4.3263102816225765E-12f, - 3.637978807091713E-12f, - 3.0591633376524064E-12f, - 2.572439484307497E-12f, - 2.1631551408112883E-12f, - 1.8189894035458565E-12f, - 1.5295816688262032E-12f, - 1.2862197421537484E-12f, - 1.0815775704056441E-12f, - 9.094947017729282E-13f, - 7.647908344131016E-13f, - 6.431098710768742E-13f, - 5.407887852028221E-13f, - 4.547473508864641E-13f, - 3.823954172065508E-13f, - 3.215549355384371E-13f, - 2.7039439260141103E-13f, - 2.2737367544323206E-13f, - 1.911977086032754E-13f, - 1.6077746776921855E-13f, - 1.3519719630070552E-13f, - 1.1368683772161603E-13f, - 9.55988543016377E-14f, - 8.038873388460928E-14f, - 6.759859815035276E-14f, - 5.6843418860808015E-14f, - 4.779942715081885E-14f, - 4.019436694230464E-14f, - 3.379929907517638E-14f, - 2.8421709430404007E-14f, - 2.3899713575409425E-14f, - 2.009718347115232E-14f, - 1.689964953758819E-14f, - 1.4210854715202004E-14f, - 1.1949856787704712E-14f, - 1.004859173557616E-14f, - 8.449824768794095E-15f, - 7.105427357601002E-15f, - 5.974928393852356E-15f, - 5.02429586778808E-15f, - 4.2249123843970474E-15f, - 3.552713678800501E-15f, - 2.987464196926178E-15f, - 2.51214793389404E-15f, - 2.1124561921985237E-15f, - 1.7763568394002505E-15f, - 1.493732098463089E-15f, - 1.25607396694702E-15f, - 1.0562280960992619E-15f, - 8.881784197001252E-16f, - 7.468660492315445E-16f, - 6.2803698347351E-16f, - 5.281140480496309E-16f, - 4.440892098500626E-16f, - 3.7343302461577226E-16f, - 3.14018491736755E-16f, - 2.6405702402481546E-16f, - 2.220446049250313E-16f, - 1.8671651230788613E-16f, - 1.570092458683775E-16f, - 1.3202851201240773E-16f, - 1.1102230246251565E-16f, - 9.335825615394307E-17f, - 7.850462293418875E-17f, - 6.601425600620387E-17f, - 5.551115123125783E-17f, - 4.667912807697153E-17f, - 3.925231146709437E-17f, - 3.300712800310193E-17f, - 2.7755575615628914E-17f, - 2.3339564038485766E-17f, - 1.9626155733547187E-17f, - 1.6503564001550966E-17f, - 1.3877787807814457E-17f, - 1.1669782019242883E-17f, - 9.813077866773593E-18f, - 8.251782000775483E-18f, - 6.938893903907228E-18f, - 5.834891009621442E-18f, - 4.906538933386797E-18f, - 4.1258910003877416E-18f, - 3.469446951953614E-18f, - 2.917445504810721E-18f, - 2.4532694666933983E-18f, - 2.0629455001938708E-18f, - 1.734723475976807E-18f, - 1.4587227524053604E-18f, - 1.2266347333466992E-18f, - 1.0314727500969354E-18f, - 8.673617379884035E-19f, - 7.293613762026802E-19f, - 6.133173666733496E-19f, - 5.157363750484677E-19f, - 4.3368086899420177E-19f, - 3.646806881013401E-19f, - 3.066586833366748E-19f, - 2.5786818752423385E-19f, - 2.1684043449710089E-19f, - 1.8234034405067005E-19f, - 1.533293416683374E-19f, - 1.2893409376211693E-19f, - 1.0842021724855044E-19f, - 9.117017202533503E-20f, - 7.66646708341687E-20f - }; + float[] SCALE_TABLE = { + 1.0f, + 0.8408964152537146f, + 0.7071067811865476f, + 0.5946035575013605f, + 0.5f, + 0.4204482076268573f, + 0.35355339059327373f, + 0.29730177875068026f, + 0.25f, + 0.21022410381342865f, + 0.17677669529663687f, + 0.14865088937534013f, + 0.125f, + 0.10511205190671433f, + 0.08838834764831843f, + 0.07432544468767006f, + 0.0625f, + 0.05255602595335716f, + 0.044194173824159216f, + 0.03716272234383503f, + 0.03125f, + 0.02627801297667858f, + 0.022097086912079608f, + 0.018581361171917516f, + 0.015625f, + 0.01313900648833929f, + 0.011048543456039804f, + 0.009290680585958758f, + 0.0078125f, + 0.006569503244169645f, + 0.005524271728019902f, + 0.004645340292979379f, + 0.00390625f, + 0.0032847516220848227f, + 0.002762135864009951f, + 0.0023226701464896895f, + 0.001953125f, + 0.0016423758110424114f, + 0.0013810679320049755f, + 0.0011613350732448448f, + 9.765625E-4f, + 8.211879055212057E-4f, + 6.905339660024878E-4f, + 5.806675366224224E-4f, + 4.8828125E-4f, + 4.1059395276060284E-4f, + 3.452669830012439E-4f, + 2.903337683112112E-4f, + 2.44140625E-4f, + 2.0529697638030142E-4f, + 1.7263349150062194E-4f, + 1.451668841556056E-4f, + 1.220703125E-4f, + 1.0264848819015071E-4f, + 8.631674575031097E-5f, + 7.25834420778028E-5f, + 6.103515625E-5f, + 5.1324244095075355E-5f, + 4.3158372875155485E-5f, + 3.62917210389014E-5f, + 3.0517578125E-5f, + 2.5662122047537677E-5f, + 2.1579186437577742E-5f, + 1.81458605194507E-5f, + 1.52587890625E-5f, + 1.2831061023768839E-5f, + 1.0789593218788871E-5f, + 9.07293025972535E-6f, + 7.62939453125E-6f, + 6.415530511884419E-6f, + 5.394796609394436E-6f, + 4.536465129862675E-6f, + 3.814697265625E-6f, + 3.2077652559422097E-6f, + 2.697398304697218E-6f, + 2.2682325649313374E-6f, + 1.9073486328125E-6f, + 1.6038826279711048E-6f, + 1.348699152348609E-6f, + 1.1341162824656687E-6f, + 9.5367431640625E-7f, + 8.019413139855524E-7f, + 6.743495761743044E-7f, + 5.670581412328344E-7f, + 4.76837158203125E-7f, + 4.009706569927762E-7f, + 3.371747880871522E-7f, + 2.835290706164172E-7f, + 2.384185791015625E-7f, + 2.004853284963881E-7f, + 1.685873940435761E-7f, + 1.417645353082086E-7f, + 1.1920928955078125E-7f, + 1.0024266424819405E-7f, + 8.429369702178806E-8f, + 7.08822676541043E-8f, + 5.9604644775390625E-8f, + 5.0121332124097026E-8f, + 4.214684851089403E-8f, + 3.544113382705215E-8f, + 2.9802322387695312E-8f, + 2.5060666062048513E-8f, + 2.1073424255447014E-8f, + 1.7720566913526073E-8f, + 1.4901161193847656E-8f, + 1.2530333031024257E-8f, + 1.0536712127723507E-8f, + 8.860283456763037E-9f, + 7.450580596923828E-9f, + 6.265166515512128E-9f, + 5.2683560638617535E-9f, + 4.430141728381518E-9f, + 3.725290298461914E-9f, + 3.132583257756064E-9f, + 2.6341780319308768E-9f, + 2.215070864190759E-9f, + 1.862645149230957E-9f, + 1.566291628878032E-9f, + 1.3170890159654384E-9f, + 1.1075354320953796E-9f, + 9.313225746154785E-10f, + 7.83145814439016E-10f, + 6.585445079827192E-10f, + 5.537677160476898E-10f, + 4.6566128730773926E-10f, + 3.91572907219508E-10f, + 3.292722539913596E-10f, + 2.768838580238449E-10f, + 2.3283064365386963E-10f, + 1.95786453609754E-10f, + 1.646361269956798E-10f, + 1.3844192901192245E-10f, + 1.1641532182693481E-10f, + 9.7893226804877E-11f, + 8.23180634978399E-11f, + 6.922096450596122E-11f, + 5.820766091346741E-11f, + 4.89466134024385E-11f, + 4.115903174891995E-11f, + 3.461048225298061E-11f, + 2.9103830456733704E-11f, + 2.447330670121925E-11f, + 2.0579515874459975E-11f, + 1.7305241126490306E-11f, + 1.4551915228366852E-11f, + 1.2236653350609626E-11f, + 1.0289757937229987E-11f, + 8.652620563245153E-12f, + 7.275957614183426E-12f, + 6.118326675304813E-12f, + 5.144878968614994E-12f, + 4.3263102816225765E-12f, + 3.637978807091713E-12f, + 3.0591633376524064E-12f, + 2.572439484307497E-12f, + 2.1631551408112883E-12f, + 1.8189894035458565E-12f, + 1.5295816688262032E-12f, + 1.2862197421537484E-12f, + 1.0815775704056441E-12f, + 9.094947017729282E-13f, + 7.647908344131016E-13f, + 6.431098710768742E-13f, + 5.407887852028221E-13f, + 4.547473508864641E-13f, + 3.823954172065508E-13f, + 3.215549355384371E-13f, + 2.7039439260141103E-13f, + 2.2737367544323206E-13f, + 1.911977086032754E-13f, + 1.6077746776921855E-13f, + 1.3519719630070552E-13f, + 1.1368683772161603E-13f, + 9.55988543016377E-14f, + 8.038873388460928E-14f, + 6.759859815035276E-14f, + 5.6843418860808015E-14f, + 4.779942715081885E-14f, + 4.019436694230464E-14f, + 3.379929907517638E-14f, + 2.8421709430404007E-14f, + 2.3899713575409425E-14f, + 2.009718347115232E-14f, + 1.689964953758819E-14f, + 1.4210854715202004E-14f, + 1.1949856787704712E-14f, + 1.004859173557616E-14f, + 8.449824768794095E-15f, + 7.105427357601002E-15f, + 5.974928393852356E-15f, + 5.02429586778808E-15f, + 4.2249123843970474E-15f, + 3.552713678800501E-15f, + 2.987464196926178E-15f, + 2.51214793389404E-15f, + 2.1124561921985237E-15f, + 1.7763568394002505E-15f, + 1.493732098463089E-15f, + 1.25607396694702E-15f, + 1.0562280960992619E-15f, + 8.881784197001252E-16f, + 7.468660492315445E-16f, + 6.2803698347351E-16f, + 5.281140480496309E-16f, + 4.440892098500626E-16f, + 3.7343302461577226E-16f, + 3.14018491736755E-16f, + 2.6405702402481546E-16f, + 2.220446049250313E-16f, + 1.8671651230788613E-16f, + 1.570092458683775E-16f, + 1.3202851201240773E-16f, + 1.1102230246251565E-16f, + 9.335825615394307E-17f, + 7.850462293418875E-17f, + 6.601425600620387E-17f, + 5.551115123125783E-17f, + 4.667912807697153E-17f, + 3.925231146709437E-17f, + 3.300712800310193E-17f, + 2.7755575615628914E-17f, + 2.3339564038485766E-17f, + 1.9626155733547187E-17f, + 1.6503564001550966E-17f, + 1.3877787807814457E-17f, + 1.1669782019242883E-17f, + 9.813077866773593E-18f, + 8.251782000775483E-18f, + 6.938893903907228E-18f, + 5.834891009621442E-18f, + 4.906538933386797E-18f, + 4.1258910003877416E-18f, + 3.469446951953614E-18f, + 2.917445504810721E-18f, + 2.4532694666933983E-18f, + 2.0629455001938708E-18f, + 1.734723475976807E-18f, + 1.4587227524053604E-18f, + 1.2266347333466992E-18f, + 1.0314727500969354E-18f, + 8.673617379884035E-19f, + 7.293613762026802E-19f, + 6.133173666733496E-19f, + 5.157363750484677E-19f, + 4.3368086899420177E-19f, + 3.646806881013401E-19f, + 3.066586833366748E-19f, + 2.5786818752423385E-19f, + 2.1684043449710089E-19f, + 1.8234034405067005E-19f, + 1.533293416683374E-19f, + 1.2893409376211693E-19f, + 1.0842021724855044E-19f, + 9.117017202533503E-20f, + 7.66646708341687E-20f + }; } diff --git a/src/main/java/net/sourceforge/jaad/aac/tools/LTPrediction.java b/src/main/java/net/sourceforge/jaad/aac/tools/LTPrediction.java index 009ffad0..6e3d1072 100644 --- a/src/main/java/net/sourceforge/jaad/aac/tools/LTPrediction.java +++ b/src/main/java/net/sourceforge/jaad/aac/tools/LTPrediction.java @@ -1,144 +1,137 @@ package net.sourceforge.jaad.aac.tools; +import java.util.Arrays; + import net.sourceforge.jaad.aac.AACException; import net.sourceforge.jaad.aac.Profile; -import net.sourceforge.jaad.aac.SampleFrequency; import net.sourceforge.jaad.aac.filterbank.FilterBank; import net.sourceforge.jaad.aac.syntax.BitStream; -import net.sourceforge.jaad.aac.syntax.Constants; import net.sourceforge.jaad.aac.syntax.ICSInfo; import net.sourceforge.jaad.aac.syntax.ICStream; -import java.util.Arrays; + /** * Long-term prediction + * * @author in-somnia */ -public class LTPrediction implements Constants { - - private static final float[] CODEBOOK = { - 0.570829f, - 0.696616f, - 0.813004f, - 0.911304f, - 0.984900f, - 1.067894f, - 1.194601f, - 1.369533f - }; - private final int frameLength; - private final int[] states; - private int coef, lag, lastBand; - private boolean lagUpdate; - private boolean[] shortUsed, shortLagPresent, longUsed; - private int[] shortLag; - - public LTPrediction(int frameLength) { - this.frameLength = frameLength; - states = new int[4*frameLength]; - } - - public void decode(BitStream in, ICSInfo info, Profile profile) throws AACException { - lag = 0; - if(profile.equals(Profile.AAC_LD)) { - lagUpdate = in.readBool(); - if(lagUpdate) lag = in.readBits(10); - } - else lag = in.readBits(11); - if(lag>(frameLength<<1)) throw new AACException("LTP lag too large: "+lag); - coef = in.readBits(3); - - final int windowCount = info.getWindowCount(); - - if(info.isEightShortFrame()) { - shortUsed = new boolean[windowCount]; - shortLagPresent = new boolean[windowCount]; - shortLag = new int[windowCount]; - for(int w = 0; w (frameLength << 1)) throw new AACException("LTP lag too large: " + lag); + coef = in.readBits(3); + + int windowCount = info.getWindowCount(); + + if (info.isEightShortFrame()) { + shortUsed = new boolean[windowCount]; + shortLagPresent = new boolean[windowCount]; + shortLag = new int[windowCount]; + for (int w = 0; w < windowCount; w++) { + if ((shortUsed[w] = in.readBool())) { + shortLagPresent[w] = in.readBool(); + if (shortLagPresent[w]) shortLag[w] = in.readBits(4); + } + } + } else { + lastBand = Math.min(info.getMaxSFB(), MAX_LTP_SFB); + longUsed = new boolean[lastBand]; + for (int i = 0; i < lastBand; i++) { + longUsed[i] = in.readBool(); + } + } + } + + public void process(ICStream ics, FilterBank filterBank) { + if (!isPresent) return; + + float[] data = ics.getInvQuantData(); + + ICSInfo info = ics.getInfo(); + + if (!info.isEightShortFrame()) { + int samples = frameLength << 1; + float[] in = new float[2048]; + float[] out = new float[2048]; + + for (int i = 0; i < samples; i++) { + in[i] = states[samples + i - lag] * CODEBOOK[coef]; + } + + filterBank.processLTP(info.getWindowSequence(), info.getWindowShape(ICSInfo.CURRENT), info.getWindowShape(ICSInfo.PREVIOUS), in, out); + + ics.processTNS(out); + + int[] swbOffsets = info.getSWBOffsets(); + int swbOffsetMax = info.getSWBOffsetMax(); + int low, high, bin; + for (int sfb = 0; sfb < lastBand; sfb++) { + if (longUsed[sfb]) { + low = swbOffsets[sfb]; + high = Math.min(swbOffsets[sfb + 1], swbOffsetMax); + + for (bin = low; bin < high; bin++) { + data[bin] += out[bin]; + } + } + } + } + } + + public void updateState(float[] time, float[] overlap, Profile profile) { + int i; + if (profile.equals(Profile.AAC_LD)) { + for (i = 0; i < frameLength; i++) { + states[i] = states[i + frameLength]; + states[frameLength + i] = states[i + (frameLength * 2)]; + states[(frameLength * 2) + i] = Math.round(time[i]); + states[(frameLength * 3) + i] = Math.round(overlap[i]); + } + } else { + for (i = 0; i < frameLength; i++) { + states[i] = states[i + frameLength]; + states[frameLength + i] = Math.round(time[i]); + states[(frameLength * 2) + i] = Math.round(overlap[i]); + } + } + } + + public static boolean isLTPProfile(Profile profile) { + return profile.equals(Profile.AAC_LTP) || profile.equals(Profile.ER_AAC_LTP) || profile.equals(Profile.AAC_LD); + } + + public void copy(LTPrediction ltp) { + System.arraycopy(ltp.states, 0, states, 0, states.length); + coef = ltp.coef; + lag = ltp.lag; + lastBand = ltp.lastBand; + lagUpdate = ltp.lagUpdate; + shortUsed = Arrays.copyOf(ltp.shortUsed, ltp.shortUsed.length); + shortLagPresent = Arrays.copyOf(ltp.shortLagPresent, ltp.shortLagPresent.length); + shortLag = Arrays.copyOf(ltp.shortLag, ltp.shortLag.length); + longUsed = Arrays.copyOf(ltp.longUsed, ltp.longUsed.length); + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/tools/MS.java b/src/main/java/net/sourceforge/jaad/aac/tools/MS.java index f345ad46..d6107135 100644 --- a/src/main/java/net/sourceforge/jaad/aac/tools/MS.java +++ b/src/main/java/net/sourceforge/jaad/aac/tools/MS.java @@ -2,44 +2,43 @@ import net.sourceforge.jaad.aac.huffman.HCB; import net.sourceforge.jaad.aac.syntax.CPE; -import net.sourceforge.jaad.aac.syntax.Constants; import net.sourceforge.jaad.aac.syntax.ICSInfo; import net.sourceforge.jaad.aac.syntax.ICStream; + /** * Mid/side stereo + * * @author in-somnia */ -public final class MS implements Constants, HCB { +public final class MS implements HCB { - private MS() { - } + private MS() { + } - public static void process(CPE cpe, float[] specL, float[] specR) { - final ICStream ics = cpe.getLeftChannel(); - final ICSInfo info = ics.getInfo(); - final int[] offsets = info.getSWBOffsets(); - final int windowGroups = info.getWindowGroupCount(); - final int maxSFB = info.getMaxSFB(); - final int[] sfbCBl = ics.getSfbCB(); - final int[] sfbCBr = cpe.getRightChannel().getSfbCB(); - int groupOff = 0; - int g, i, w, j, idx = 0; + public static void process(CPE cpe, float[] specL, float[] specR) { + ICStream ics = cpe.getLeftChannel(); + ICSInfo info = ics.getInfo(); + int[] offsets = info.getSWBOffsets(); + int windowGroups = info.getWindowGroupCount(); + int maxSFB = info.getMaxSFB(); + int[] sfbCBl = ics.getSfbCB(); + int[] sfbCBr = cpe.getRightChannel().getSfbCB(); - for(g = 0; g20) throw new AACException("TNS filter out of range: "+order[w][filt]); - else if(order[w][filt]!=0) { - direction[w][filt] = in.readBool(); - coefCompress = in.readBit(); - coefLen = coefRes+3-coefCompress; - tmp = 2*coefCompress+coefRes; - - for(i = 0; i 20) + throw new AACException("TNS filter out of range: " + order[w][filt]); + else if (order[w][filt] != 0) { + direction[w][filt] = in.readBool(); + coefCompress = in.readBit(); + coefLen = coefRes + 3 - coefCompress; + tmp = 2 * coefCompress + coefRes; + + for (i = 0; i < order[w][filt]; i++) { + coef[w][filt][i] = TNS_TABLES[tmp][in.readBits(coefLen)]; + } + } + } + } + } + } + + public void process(ICStream ics, float[] spec, SampleFrequency sf, boolean decode) { + //TODO... + } } diff --git a/src/main/java/net/sourceforge/jaad/aac/tools/TNSTables.java b/src/main/java/net/sourceforge/jaad/aac/tools/TNSTables.java index 9277408a..a84826e4 100644 --- a/src/main/java/net/sourceforge/jaad/aac/tools/TNSTables.java +++ b/src/main/java/net/sourceforge/jaad/aac/tools/TNSTables.java @@ -3,24 +3,25 @@ /** * Tables of coefficients used for TNS. * The suffix indicates the values of coefCompress and coefRes. + * * @author in-somnia */ interface TNSTables { - float[] TNS_COEF_1_3 = { - 0.00000000f, -0.43388373f, 0.64278758f, 0.34202015f,}; - float[] TNS_COEF_0_3 = { - 0.00000000f, -0.43388373f, -0.78183150f, -0.97492790f, - 0.98480773f, 0.86602539f, 0.64278758f, 0.34202015f,}; - float[] TNS_COEF_1_4 = { - 0.00000000f, -0.20791170f, -0.40673664f, -0.58778524f, - 0.67369562f, 0.52643216f, 0.36124167f, 0.18374951f,}; - float[] TNS_COEF_0_4 = { - 0.00000000f, -0.20791170f, -0.40673664f, -0.58778524f, - -0.74314481f, -0.86602539f, -0.95105654f, -0.99452192f, - 0.99573416f, 0.96182561f, 0.89516330f, 0.79801720f, - 0.67369562f, 0.52643216f, 0.36124167f, 0.18374951f,}; - float[][] TNS_TABLES = { - TNS_COEF_0_3, TNS_COEF_0_4, TNS_COEF_1_3, TNS_COEF_1_4 - }; + float[] TNS_COEF_1_3 = { + 0.00000000f, -0.43388373f, 0.64278758f, 0.34202015f,}; + float[] TNS_COEF_0_3 = { + 0.00000000f, -0.43388373f, -0.78183150f, -0.97492790f, + 0.98480773f, 0.86602539f, 0.64278758f, 0.34202015f,}; + float[] TNS_COEF_1_4 = { + 0.00000000f, -0.20791170f, -0.40673664f, -0.58778524f, + 0.67369562f, 0.52643216f, 0.36124167f, 0.18374951f,}; + float[] TNS_COEF_0_4 = { + 0.00000000f, -0.20791170f, -0.40673664f, -0.58778524f, + -0.74314481f, -0.86602539f, -0.95105654f, -0.99452192f, + 0.99573416f, 0.96182561f, 0.89516330f, 0.79801720f, + 0.67369562f, 0.52643216f, 0.36124167f, 0.18374951f,}; + float[][] TNS_TABLES = { + TNS_COEF_0_3, TNS_COEF_0_4, TNS_COEF_1_3, TNS_COEF_1_4 + }; } diff --git a/src/main/java/net/sourceforge/jaad/aac/tools/Utils.java b/src/main/java/net/sourceforge/jaad/aac/tools/Utils.java new file mode 100644 index 00000000..f861fb56 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/aac/tools/Utils.java @@ -0,0 +1,49 @@ +package net.sourceforge.jaad.aac.tools; + +import java.util.*; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 27.12.20 + * Time: 18:59 + */ +public interface Utils { + + boolean isDebug = Boolean.parseBoolean(System.getProperty("net.sourceforge.jaad.debug", "false").toLowerCase(Locale.ROOT)); + + static boolean[] copyOf(boolean[] array) { + return array==null ? null : java.util.Arrays.copyOf(array, array.length); + } + + static int[] copyOf(int[] array) { + return array==null ? null : java.util.Arrays.copyOf(array, array.length); + } + + static float[] copyOf(float[] array) { + return array==null ? null : java.util.Arrays.copyOf(array, array.length); + } + + static void copyRange(int[] array, int srcPos, int destPos, int length) { + System.arraycopy(array, srcPos, array, destPos, length); + } + + static int clip(int idx, int min, int max) { + idx = Math.max(idx, min); + idx = Math.min(idx, max); + return idx; + } + + @SafeVarargs + static List listOf(E... elements) { + if (elements.length == 0) return Collections.emptyList(); + else return Collections.unmodifiableList(Arrays.asList(elements)); + } + + @SuppressWarnings("unchecked") + static List listCopyOf(Collection coll) { + if (coll == Collections.emptyList()) return (List) coll; + else return (List) listOf(coll.toArray()); + } + +} diff --git a/src/main/java/net/sourceforge/jaad/aac/transport/ADIFHeader.java b/src/main/java/net/sourceforge/jaad/aac/transport/ADIFHeader.java index 329e0224..f894d8fb 100644 --- a/src/main/java/net/sourceforge/jaad/aac/transport/ADIFHeader.java +++ b/src/main/java/net/sourceforge/jaad/aac/transport/ADIFHeader.java @@ -1,60 +1,58 @@ package net.sourceforge.jaad.aac.transport; -import net.sourceforge.jaad.aac.AACException; import net.sourceforge.jaad.aac.syntax.BitStream; import net.sourceforge.jaad.aac.syntax.PCE; + public final class ADIFHeader { - private static final long ADIF_ID = 0x41444946; //'ADIF' - private long id; - private boolean copyrightIDPresent; - private byte[] copyrightID; - private boolean originalCopy, home, bitstreamType; - private int bitrate; - private int pceCount; - private int[] adifBufferFullness; - private PCE[] pces; - - public static boolean isPresent(BitStream in) throws AACException { - return in.peekBits(32)==ADIF_ID; - } - - private ADIFHeader() { - copyrightID = new byte[9]; - } - - public static ADIFHeader readHeader(BitStream in) throws AACException { - final ADIFHeader h = new ADIFHeader(); - h.decode(in); - return h; - } - - private void decode(BitStream in) throws AACException { - int i; - id = in.readBits(32); //'ADIF' - copyrightIDPresent = in.readBool(); - if(copyrightIDPresent) { - for(i = 0; i<9; i++) { - copyrightID[i] = (byte) in.readBits(8); - } - } - originalCopy = in.readBool(); - home = in.readBool(); - bitstreamType = in.readBool(); - bitrate = in.readBits(23); - pceCount = in.readBits(4)+1; - pces = new PCE[pceCount]; - adifBufferFullness = new int[pceCount]; - for(i = 0; i0) { - i = in.read(); - left--; - if(i==0xFF) { - i = in.read(); - if((i&0xF6)==0xF0) found = true; - in.unread(i); - } - } - - if(found) frame = new ADTSFrame(din); - return found; - } - - public int getSampleFrequency() { - return frame.getSampleFrequency(); - } - - public int getChannelCount() { - return frame.getChannelCount(); - } + private static final int MAXIMUM_FRAME_SIZE = 6144; + private PushbackInputStream in; + private DataInputStream din; + private boolean first; + private ADTSFrame frame; + + public ADTSDemultiplexer(InputStream in) throws IOException { + this.in = new PushbackInputStream(in); + din = new DataInputStream(this.in); + first = true; + if (!findNextFrame()) throw new IOException("no ADTS header found"); + } + + public byte[] readNextFrame() throws IOException { + if (first) first = false; + else findNextFrame(); + + byte[] b = new byte[frame.getFrameLength()]; + din.readFully(b); + return b; + } + + private boolean findNextFrame() throws IOException { + // find next ADTS ID + boolean found = false; + int left = MAXIMUM_FRAME_SIZE; + int i; + while (!found && left > 0) { + i = in.read(); + left--; + if (i == 0xFF) { + i = in.read(); + if ((i & 0xF6) == 0xF0) found = true; + in.unread(i); + } + } + + if (found) frame = new ADTSFrame(din); + return found; + } + + public int getSampleFrequency() { + return frame.getSampleFrequency().getFrequency(); + } + + public int getChannelCount() { + return frame.getChannelConfiguration().getChannelCount(); + } + + public AudioDecoderInfo getDecoderInfo() { + return frame; + } } diff --git a/src/main/java/net/sourceforge/jaad/adts/ADTSFrame.java b/src/main/java/net/sourceforge/jaad/adts/ADTSFrame.java index 73ce218b..c1364aad 100644 --- a/src/main/java/net/sourceforge/jaad/adts/ADTSFrame.java +++ b/src/main/java/net/sourceforge/jaad/adts/ADTSFrame.java @@ -2,105 +2,97 @@ import java.io.DataInputStream; import java.io.IOException; + +import net.sourceforge.jaad.aac.AudioDecoderInfo; import net.sourceforge.jaad.aac.ChannelConfiguration; +import net.sourceforge.jaad.aac.Profile; import net.sourceforge.jaad.aac.SampleFrequency; -class ADTSFrame { - //fixed - private boolean id, protectionAbsent, privateBit, copy, home; - private int layer, profile, sampleFrequency, channelConfiguration; - //variable - private boolean copyrightIDBit, copyrightIDStart; - private int frameLength, adtsBufferFullness, rawDataBlockCount; - //error check - private int[] rawDataBlockPosition; - private int crcCheck; - //decoder specific info - private byte[] info; +class ADTSFrame implements AudioDecoderInfo { - ADTSFrame(DataInputStream in) throws IOException { - readHeader(in); + // fixed + private boolean id, protectionAbsent, privateBit, copy, home; + private int layer, profile, sampleFrequency, channelConfiguration; + // variable + private boolean copyrightIDBit, copyrightIDStart; + private int frameLength, adtsBufferFullness, rawDataBlockCount; + // error check + private int[] rawDataBlockPosition; + private int crcCheck; + // decoder specific info + private byte[] info; - if(!protectionAbsent) crcCheck = in.readUnsignedShort(); - if(rawDataBlockCount==0) { - //raw_data_block(); - } - else { - int i; - //header error check - if(!protectionAbsent) { - rawDataBlockPosition = new int[rawDataBlockCount]; - for(i = 0; i>3)&0x1)==1; - layer = (i>>1)&0x3; - protectionAbsent = (i&0x1)==1; + if (!protectionAbsent) crcCheck = in.readUnsignedShort(); + if (rawDataBlockCount == 0) { + //raw_data_block(); + } else { + int i; + //header error check + if (!protectionAbsent) { + rawDataBlockPosition = new int[rawDataBlockCount]; + for (i = 0; i < rawDataBlockCount; i++) { + rawDataBlockPosition[i] = in.readUnsignedShort(); + } + crcCheck = in.readUnsignedShort(); + } + //raw data blocks + for (i = 0; i < rawDataBlockCount; i++) { + //raw_data_block(); + if (!protectionAbsent) crcCheck = in.readUnsignedShort(); + } + } + } - //2 bits profile, 4 bits sample frequency, 1 bit private bit - i = in.read(); - profile = ((i>>6)&0x3)+1; - sampleFrequency = (i>>2)&0xF; - privateBit = ((i>>1)&0x1)==1; + private void readHeader(DataInputStream in) throws IOException { + //fixed header: + //1 bit ID, 2 bits layer, 1 bit protection absent + int i = in.read(); + id = ((i >> 3) & 0x1) == 1; + layer = (i >> 1) & 0x3; + protectionAbsent = (i & 0x1) == 1; - //3 bits channel configuration, 1 bit copy, 1 bit home - i = (i<<8)|in.read(); - channelConfiguration = ((i>>6)&0x7); - copy = ((i>>5)&0x1)==1; - home = ((i>>4)&0x1)==1; - //int emphasis = in.readBits(2); + //2 bits profile, 4 bits sample frequency, 1 bit private bit + i = in.read(); + profile = ((i >> 6) & 0x3) + 1; + sampleFrequency = (i >> 2) & 0xF; + privateBit = ((i >> 1) & 0x1) == 1; - //variable header: - //1 bit copyrightIDBit, 1 bit copyrightIDStart, 13 bits frame length, - //11 bits adtsBufferFullness, 2 bits rawDataBlockCount - copyrightIDBit = ((i>>3)&0x1)==1; - copyrightIDStart = ((i>>2)&0x1)==1; - i = (i<<16)|in.readUnsignedShort(); - frameLength = (i>>5)&0x1FFF; - i = (i<<8)|in.read(); - adtsBufferFullness = (i>>2)&0x7FF; - rawDataBlockCount = i&0x3; - } + //3 bits channel configuration, 1 bit copy, 1 bit home + i = (i << 8) | in.read(); + channelConfiguration = ((i >> 6) & 0x7); + copy = ((i >> 5) & 0x1) == 1; + home = ((i >> 4) & 0x1) == 1; + //int emphasis = in.readBits(2); - int getFrameLength() { - return frameLength-(protectionAbsent ? 7 : 9); - } + //variable header: + //1 bit copyrightIDBit, 1 bit copyrightIDStart, 13 bits frame length, + //11 bits adtsBufferFullness, 2 bits rawDataBlockCount + copyrightIDBit = ((i >> 3) & 0x1) == 1; + copyrightIDStart = ((i >> 2) & 0x1) == 1; + i = (i << 16) | in.readUnsignedShort(); + frameLength = (i >> 5) & 0x1FFF; + i = (i << 8) | in.read(); + adtsBufferFullness = (i >> 2) & 0x7FF; + rawDataBlockCount = i & 0x3; + } - byte[] createDecoderSpecificInfo() { - if(info==null) { - //5 bits profile, 4 bits sample frequency, 4 bits channel configuration - info = new byte[2]; - info[0] = (byte) (profile<<3); - info[0] |= (sampleFrequency>>1)&0x7; - info[1] = (byte) ((sampleFrequency&0x1)<<7); - info[1] |= (channelConfiguration<<3); - /*1 bit frame length flag, 1 bit depends on core coder, - 1 bit extension flag (all three currently 0)*/ - } + int getFrameLength() { + return frameLength - (protectionAbsent ? 7 : 9); + } - return info; - } + public Profile getProfile() { + return Profile.forInt(profile); + } - int getSampleFrequency() { - return SampleFrequency.forInt(sampleFrequency).getFrequency(); - } + public SampleFrequency getSampleFrequency() { + return SampleFrequency.forInt(sampleFrequency); + } - int getChannelCount() { - return ChannelConfiguration.forInt(channelConfiguration).getChannelCount(); - } + public ChannelConfiguration getChannelConfiguration() { + return ChannelConfiguration.forInt(channelConfiguration); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/MP4Container.java b/src/main/java/net/sourceforge/jaad/mp4/MP4Container.java index 694affcb..3b0e15b5 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/MP4Container.java +++ b/src/main/java/net/sourceforge/jaad/mp4/MP4Container.java @@ -1,15 +1,10 @@ package net.sourceforge.jaad.mp4; import java.io.IOException; -import java.io.InputStream; -import java.io.RandomAccessFile; import java.util.ArrayList; import java.util.Collections; import java.util.List; -import java.util.logging.ConsoleHandler; -import java.util.logging.Handler; -import java.util.logging.Level; -import java.util.logging.Logger; + import net.sourceforge.jaad.mp4.api.Brand; import net.sourceforge.jaad.mp4.api.Movie; import net.sourceforge.jaad.mp4.boxes.Box; @@ -18,126 +13,107 @@ import net.sourceforge.jaad.mp4.boxes.impl.FileTypeBox; import net.sourceforge.jaad.mp4.boxes.impl.ProgressiveDownloadInformationBox; + /** * The MP4Container is the central class for the MP4 demultiplexer. It reads the * container and gives access to the containing data. - * + *

* The data source can be either an InputStream or a * RandomAccessFile. Since the specification does not decree a * specific order of the content, the data needed for parsing (the sample * tables) may be at the end of the stream. In this case, random access is * needed and reading from an InputSteam will cause an exception. - * Thus, whenever possible, a RandomAccessFile should be used for - * local files. Parsing from an InputStream is useful when reading + * Thus, whenever possible, a RandomAccessFile should be used for + * local files. Parsing from an InputStream is useful when reading * from a network stream. - * + *

* Each MP4Container can return the used file brand (file format * version). Optionally, the following data may be present: *

    *
  • progressive download informations: pairs of download rate and playback - * delay, see {@link #getDownloadInformationPairs() getDownloadInformationPairs()}
    • + * delay, see {@link ProgressiveDownloadInformationBox} *
  • a Movie
    • *
- * - * Additionally it gives access to the underlying MP4 boxes, that can be - * retrieved by getBoxes(). However, it is not recommended to + *

+ * Additionally it gives access to the underlying MP4 boxes, that can be + * retrieved by getBoxes(). However, it is not recommended to * access the boxes directly. - * + * * @author in-somnia */ public class MP4Container { - static { -// Logger log = Logger.getLogger("MP4 API"); -// for(Handler h : log.getHandlers()) { -// log.removeHandler(h); -// } -// log.setLevel(Level.WARNING); -// -// final ConsoleHandler h = new ConsoleHandler(); -// h.setLevel(Level.ALL); -// log.addHandler(h); - } - private final MP4InputStream in; - private final List boxes; - private Brand major, minor; - private Brand[] compatible; - private FileTypeBox ftyp; - private ProgressiveDownloadInformationBox pdin; - private Box moov; - private Movie movie; - - public MP4Container(InputStream in) throws IOException { - this.in = new MP4InputStream(in); - boxes = new ArrayList(); - - readContent(); - } + private final MP4Input in; + private final List boxes; + private Brand major, minor; + private Brand[] compatible; + private FileTypeBox ftyp; + private ProgressiveDownloadInformationBox pdin; + private Box moov; + private Movie movie; - public MP4Container(RandomAccessFile in) throws IOException { - this.in = new MP4InputStream(in); - boxes = new ArrayList(); + public MP4Container(MP4Input in) throws IOException { + this.in = in; + boxes = new ArrayList<>(); - readContent(); - } + readContent(); + } - private void readContent() throws IOException { - //read all boxes - Box box = null; - long type; - boolean moovFound = false; - while(in.hasLeft()) { - box = BoxFactory.parseBox(null, in); - if(boxes.isEmpty()&&box.getType()!=BoxTypes.FILE_TYPE_BOX) throw new MP4Exception("no MP4 signature found"); - boxes.add(box); + private void readContent() throws IOException { + //read all boxes + Box box = null; + long type; + boolean moovFound = false; + while (in.hasLeft()) { + box = BoxFactory.parseBox(null, in); + if (boxes.isEmpty() && box.getType() != BoxTypes.FILE_TYPE_BOX) + throw new MP4Exception("no MP4 signature found"); + boxes.add(box); - type = box.getType(); - if(type==BoxTypes.FILE_TYPE_BOX) { - if(ftyp==null) ftyp = (FileTypeBox) box; - } - else if(type==BoxTypes.MOVIE_BOX) { - if(movie==null) moov = box; - moovFound = true; - } - else if(type==BoxTypes.PROGRESSIVE_DOWNLOAD_INFORMATION_BOX) { - if(pdin==null) pdin = (ProgressiveDownloadInformationBox) box; - } - else if(type==BoxTypes.MEDIA_DATA_BOX) { - if(moovFound) break; - else if(!in.hasRandomAccess()) throw new MP4Exception("movie box at end of file, need random access"); - } - } - } + type = box.getType(); + if (type == BoxTypes.FILE_TYPE_BOX) { + if (ftyp == null) ftyp = (FileTypeBox) box; + } else if (type == BoxTypes.MOVIE_BOX) { + if (movie == null) moov = box; + moovFound = true; + } else if (type == BoxTypes.PROGRESSIVE_DOWNLOAD_INFORMATION_BOX) { + if (pdin == null) pdin = (ProgressiveDownloadInformationBox) box; + } else if (type == BoxTypes.MEDIA_DATA_BOX) { + if (moovFound) break; + else if (!in.hasRandomAccess()) throw new MP4Exception("movie box at end of file, need random access"); + } + } + } - public Brand getMajorBrand() { - if(major==null) major = Brand.forID(ftyp.getMajorBrand()); - return major; - } + public Brand getMajorBrand() { + if (major == null) major = Brand.forID(ftyp.getMajorBrand()); + return major; + } - public Brand getMinorBrand() { - if(minor==null) minor = Brand.forID(ftyp.getMajorBrand()); - return minor; - } + public Brand getMinorBrand() { + if (minor == null) minor = Brand.forID(ftyp.getMajorBrand()); + return minor; + } - public Brand[] getCompatibleBrands() { - if(compatible==null) { - final String[] s = ftyp.getCompatibleBrands(); - compatible = new Brand[s.length]; - for(int i = 0; i getBoxes() { - return Collections.unmodifiableList(boxes); - } + public List getBoxes() { + return Collections.unmodifiableList(boxes); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/MP4Exception.java b/src/main/java/net/sourceforge/jaad/mp4/MP4Exception.java index 388d20f1..b877d756 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/MP4Exception.java +++ b/src/main/java/net/sourceforge/jaad/mp4/MP4Exception.java @@ -2,9 +2,10 @@ import java.io.IOException; + public class MP4Exception extends IOException { - public MP4Exception(String message) { - super(message); - } + public MP4Exception(String message) { + super(message); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/MP4Input.java b/src/main/java/net/sourceforge/jaad/mp4/MP4Input.java new file mode 100644 index 00000000..b2c892b0 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/mp4/MP4Input.java @@ -0,0 +1,225 @@ +package net.sourceforge.jaad.mp4; + +import java.io.IOException; +import java.io.InputStream; +import java.io.RandomAccessFile; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 25.08.18 + * Time: 17:25 + */ +public interface MP4Input extends AutoCloseable { + + static MP4Input open(InputStream in) { + return new MP4InputStream(in); + } + + static MP4Input open(RandomAccessFile in) { + return new MP4RandomAccessStream(in); + } + + String UTF8 = "UTF-8"; + String UTF16 = "UTF-16"; + + /** + * Reads the next byte of data from the input. The value byte is returned as + * an int in the range 0 to 255. If no byte is available because the end of + * the stream has been reached, an EOFException is thrown. This method + * blocks until input data is available, the end of the stream is detected, + * or an I/O error occurs. + * + * @return the next byte of data + * @throws IOException If the end of the stream is detected or any I/O error occurs. + */ + int readByte() throws IOException; + + /** + * Reads len bytes of data from the input into the array + * b. If len is zero, then no bytes are read. + * + * This method blocks until all bytes could be read, the end of the stream + * is detected, or an I/O error occurs. + * + * If the stream ends before len bytes could be read an + * EOFException is thrown. + * + * @param b the buffer into which the data is read. + * @param off the start offset in array b at which the data is written. + * @param len the number of bytes to read. + * @throws IOException If the end of the stream is detected, the input + * stream has been closed, or if some other I/O error occurs. + */ + void readBytes(byte[] b, int off, int len) throws IOException; + + /** + * Reads up to eight bytes as a long value. This method blocks until all + * bytes could be read, the end of the stream is detected, or an I/O error + * occurs. + * + * @param n the number of bytes to read >0 and <=8 + * @return the read bytes as a long value + * @throws IOException If the end of the stream is detected, the input + * stream has been closed, or if some other I/O error occurs. + * @throws IndexOutOfBoundsException if n is not in the range + * [1...8] inclusive. + */ + long readBytes(int n) throws IOException; + + /** + * Reads data from the input stream and stores them into the buffer array b. + * This method blocks until all bytes could be read, the end of the stream + * is detected, or an I/O error occurs. + * If the length of b is zero, then no bytes are read. + * + * @param b the buffer into which the data is read. + * @throws IOException If the end of the stream is detected, the input + * stream has been closed, or if some other I/O error occurs. + */ + + void readBytes(byte[] b) throws IOException; + + /** + * Reads n bytes from the input as a String. The bytes are + * directly converted into characters. If not enough bytes could be read, an + * EOFException is thrown. + * This method blocks until all bytes could be read, the end of the stream + * is detected, or an I/O error occurs. + * + * @param n the length of the String. + * @return the String, that was read + * @throws IOException If the end of the stream is detected, the input + * stream has been closed, or if some other I/O error occurs. + */ + String readString(int n) throws IOException; + + /** + * Reads a null-terminated UTF-encoded String from the input. The maximum + * number of bytes that can be read before the null must appear must be + * specified. + * Although the method is preferred for unicode, the encoding can be any + * charset name, that is supported by the system. + * + * This method blocks until all bytes could be read, the end of the stream + * is detected, or an I/O error occurs. + * + * @param max the maximum number of bytes to read, before the null-terminator + * must appear. + * @param encoding the charset used to encode the String + * @return the decoded String + * @throws IOException If the end of the stream is detected, the input + * stream has been closed, or if some other I/O error occurs. + */ + String readUTFString(int max, String encoding) throws IOException; + + /** + * Reads a null-terminated UTF-encoded String from the input. The maximum + * number of bytes that can be read before the null must appear must be + * specified. + * The encoding is detected automatically, it may be UTF-8 or UTF-16 + * (determined by a byte order mask at the beginning). + * + * This method blocks until all bytes could be read, the end of the stream + * is detected, or an I/O error occurs. + * + * @param max the maximum number of bytes to read, before the null-terminator + * must appear. + * @return the decoded String + * @throws IOException If the end of the stream is detected, the input + * stream has been closed, or if some other I/O error occurs. + */ + String readUTFString(int max) throws IOException; + + /** + * Reads a byte array from the input that is terminated by a specific byte + * (the 'terminator'). The maximum number of bytes that can be read before + * the terminator must appear must be specified. + * + * The terminator will not be included in the returned array. + * + * This method blocks until all bytes could be read, the end of the stream + * is detected, or an I/O error occurs. + * + * @param max the maximum number of bytes to read, before the terminator + * must appear. + * @param terminator the byte that indicates the end of the array + * @return the buffer into which the data is read. + * @throws IOException If the end of the stream is detected, the input + * stream has been closed, or if some other I/O error occurs. + */ + byte[] readTerminated(int max, int terminator) throws IOException; + + /** + * Reads a fixed point number from the input. The number is read as a + * m.n value, that results from deviding an integer by + * 2n. + * + * @param m the number of bits before the point + * @param n the number of bits after the point + * @return a floating point number with the same value + * @throws IOException If the end of the stream is detected, the input + * stream has been closed, or if some other I/O error occurs. + * @throws IllegalArgumentException if the total number of bits (m+n) is not + * a multiple of eight + */ + double readFixedPoint(int m, int n) throws IOException; + + /** + * Skips n bytes in the input. This method blocks until all + * bytes could be skipped, the end of the stream is detected, or an I/O + * error occurs. + * + * @param n the number of bytes to skip + * @throws IOException If the end of the stream is detected, the input + * stream has been closed, or if some other I/O error occurs. + */ + void skipBytes(long n) throws IOException; + + /** + * Returns the current offset in the stream. + * + * @return the current offset + * @throws IOException if an I/O error occurs (only when using a RandomAccessFile) + */ + long getOffset() throws IOException; + + /** + * Seeks to a specific offset in the stream. This is only possible when + * using a RandomAccessFile. If an InputStream is used, this method throws + * an IOException. + * + * @param pos the offset position, measured in bytes from the beginning of the + * stream + * @throws IOException if an InputStream is used, pos is less than 0 or an + * I/O error occurs + */ + void seek(long pos) throws IOException; + + /** + * Indicates, if random access is available. That is, if this + * MP4InputStream was constructed with a RandomAccessFile. If + * this method returns false, seeking is not possible. + * + * @return true if random access is available + */ + boolean hasRandomAccess(); + + /** + * Indicates, if the input has some data left. + * + * @return true if there is at least one byte left + * @throws IOException if an I/O error occurs + */ + boolean hasLeft() throws IOException; + + + /** + * Closes the input and releases any system resources associated with it. + * Once the stream has been closed, further reading or skipping will throw + * an IOException. Closing a previously closed stream has no effect. + * + * @throws IOException if an I/O error occurs + */ + void close() throws IOException; +} diff --git a/src/main/java/net/sourceforge/jaad/mp4/MP4InputReader.java b/src/main/java/net/sourceforge/jaad/mp4/MP4InputReader.java new file mode 100644 index 00000000..e71fbed6 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/mp4/MP4InputReader.java @@ -0,0 +1,137 @@ +package net.sourceforge.jaad.mp4; + +import java.io.EOFException; +import java.io.IOException; +import java.nio.charset.Charset; +import java.util.Arrays; + +/** + * Created by IntelliJ IDEA. + * User: stueken + * Date: 01.09.18 + * Time: 13:49 + */ +abstract public class MP4InputReader implements MP4Input { + + private static final int BYTE_ORDER_MASK = 0xFEFF; + + // to be implemented + abstract protected int read() throws IOException; + abstract protected int read(byte[] b, int off, int len) throws IOException; + abstract protected long skip(int n) throws IOException; + + @Override + public int readByte() throws IOException { + int i = read(); + + if(i==-1){ + throw new EOFException(); + } + + return i; + } + + @Override + public void readBytes(byte[] b, int off, int len) throws IOException { + int read = 0; + + while(read8) + throw new IndexOutOfBoundsException("invalid number of bytes to read: "+n); + + byte[] b = new byte[n]; + readBytes(b, 0, n); + + long result = 0; + for(int i = 0; i peeked = new LinkedList(); - private long offset; //only used with InputStream - - /** - * Constructs an MP4InputStream that reads from an - * InputStream. It will have no random access, thus seeking - * will not be possible. - * - * @param in an InputStream to read from - */ - MP4InputStream(InputStream in) { - this.in = in; - fin = null; - offset = 0; - } - - /** - * Constructs an MP4InputStream that reads from a - * RandomAccessFile. It will have random access and seeking - * will be possible. - * - * @param in a RandomAccessFile to read from - */ - MP4InputStream(RandomAccessFile fin) { - this.fin = fin; - in = null; - } - - /** - * Peeks the next byte of data from the input. The value byte is returned as - * an int in the range 0 to 255. If no byte is available because the end of - * the stream has been reached, an EOFException is thrown. This method - * blocks until input data is available, the end of the stream is detected, - * or an I/O error occurs. - * - * @return the next byte of data - * @throws IOException If the end of the stream is detected or any I/O error occurs. - */ - public int peek() throws IOException { - int i = 0; - if(!peeked.isEmpty()){ - i = peeked.remove() & MASK8; - } - else if(in!=null){ - i = in.read(); - } - else if(fin!=null){ - long currentFilePointer = fin.getFilePointer(); - try{ - i = fin.read(); - }finally{ - fin.seek(currentFilePointer); - } - } - - if(i==-1){ - throw new EOFException(); - } - peeked.addFirst((byte) i); - return i; - } - - /** - * Reads the next byte of data from the input. The value byte is returned as - * an int in the range 0 to 255. If no byte is available because the end of - * the stream has been reached, an EOFException is thrown. This method - * blocks until input data is available, the end of the stream is detected, - * or an I/O error occurs. - * - * @return the next byte of data - * @throws IOException If the end of the stream is detected or any I/O error occurs. - */ - public int read() throws IOException { - int i = 0; - if(!peeked.isEmpty()){ - i = peeked.remove() & MASK8; - } - else if(in!=null){ - i = in.read(); - } - else if(fin!=null){ - i = fin.read(); - } - - if(i==-1){ - throw new EOFException(); - } - else if(in!=null){ - offset++; - } - return i; - } - - /** - * Peeks len bytes of data from the input into the array - * b. If len is zero, then no bytes are read. - * - * This method blocks until all bytes could be read, the end of the stream - * is detected, or an I/O error occurs. - * - * If the stream ends before len bytes could be read an - * EOFException is thrown. - * - * @param b the buffer into which the data is read. - * @param off the start offset in array b at which the data is written. - * @param len the number of bytes to read. - * @throws IOException If the end of the stream is detected, the input - * stream has been closed, or if some other I/O error occurs. - */ - public void peek(final byte[] b, int off, int len) throws IOException { - int read = 0; - int i = 0; - - while(readlen bytes of data from the input into the array - * b. If len is zero, then no bytes are read. - * - * This method blocks until all bytes could be read, the end of the stream - * is detected, or an I/O error occurs. - * - * If the stream ends before len bytes could be read an - * EOFException is thrown. - * - * @param b the buffer into which the data is read. - * @param off the start offset in array b at which the data is written. - * @param len the number of bytes to read. - * @throws IOException If the end of the stream is detected, the input - * stream has been closed, or if some other I/O error occurs. - */ - public void read(final byte[] b, int off, int len) throws IOException { - int read = 0; - int i = 0; - - while(read0 and <=8 - * @return the read bytes as a long value - * @throws IOException If the end of the stream is detected, the input - * stream has been closed, or if some other I/O error occurs. - * @throws IndexOutOfBoundsException if n is not in the range - * [1...8] inclusive. - */ - public long peekBytes(int n) throws IOException { - if(n<1||n>8) throw new IndexOutOfBoundsException("invalid number of bytes to read: "+n); - final byte[] b = new byte[n]; - peek(b, 0, n); - - long result = 0; - for(int i = 0; i0 and <=8 - * @return the read bytes as a long value - * @throws IOException If the end of the stream is detected, the input - * stream has been closed, or if some other I/O error occurs. - * @throws IndexOutOfBoundsException if n is not in the range - * [1...8] inclusive. - */ - public long readBytes(int n) throws IOException { - if(n<1||n>8) throw new IndexOutOfBoundsException("invalid number of bytes to read: "+n); - final byte[] b = new byte[n]; - read(b, 0, n); - - long result = 0; - for(int i = 0; in bytes from the input as a String. The bytes are - * directly converted into characters. If not enough bytes could be read, an - * EOFException is thrown. - * This method blocks until all bytes could be read, the end of the stream - * is detected, or an I/O error occurs. - * - * @param n the length of the String. - * @return the String, that was read - * @throws IOException If the end of the stream is detected, the input - * stream has been closed, or if some other I/O error occurs. - */ - public String readString(final int n) throws IOException { - int i = -1; - int pos = 0; - char[] c = new char[n]; - while(posm.n value, that results from deviding an integer by - * 2n. - * - * @param m the number of bits before the point - * @param n the number of bits after the point - * @return a floating point number with the same value - * @throws IOException If the end of the stream is detected, the input - * stream has been closed, or if some other I/O error occurs. - * @throws IllegalArgumentException if the total number of bits (m+n) is not - * a multiple of eight - */ - public double readFixedPoint(int m, int n) throws IOException { - final int bits = m+n; - if((bits%8)!=0) throw new IllegalArgumentException("number of bits is not a multiple of 8: "+(m+n)); - final long l = readBytes(bits/8); - final double x = Math.pow(2, n); - double d = ((double) l)/x; - return d; - } - - /** - * Skips n bytes in the input. This method blocks until all - * bytes could be skipped, the end of the stream is detected, or an I/O - * error occurs. - * - * @param n the number of bytes to skip - * @throws IOException If the end of the stream is detected, the input - * stream has been closed, or if some other I/O error occurs. - */ - public void skipBytes(final long n) throws IOException { - long l = 0; - while(lMP4InputStream was constructed with a RandomAccessFile. If - * this method returns false, seeking is not possible. - * - * @return true if random access is available - */ - public boolean hasRandomAccess() { - return fin!=null; - } - - /** - * Indicates, if the input has some data left. - * - * @return true if there is at least one byte left - * @throws IOException if an I/O error occurs - */ - public boolean hasLeft() throws IOException { - final boolean b; - if(!peeked.isEmpty()){ - b = true; - }else if(fin!=null){ - b = fin.getFilePointer()<(fin.length()-1); - } else { - final int i = in.read(); - b = (i!=-1); - if(b) peeked.add((byte) i); - } - return b; - } - - /** - * Closes the input and releases any system resources associated with it. - * Once the stream has been closed, further reading or skipping will throw - * an IOException. Closing a previously closed stream has no effect. - * - * @throws IOException if an I/O error occurs - */ - void close() throws IOException { - peeked.clear(); - if(in!=null) in.close(); - else if(fin!=null) fin.close(); - } +public class MP4InputStream extends MP4InputReader { + + private final InputStream in; + private long offset; + + /** + * Constructs an MP4InputStream that reads from an + * InputStream. It will have no random access, thus seeking + * will not be possible. + * + * @param in an InputStream to read from + */ + MP4InputStream(InputStream in) { + this.in = in; + offset = 0; + } + + @Override + protected int read() throws IOException { + int i = in.read(); + if (i >= 0) + ++offset; + + return i; + } + + @Override + protected int read(byte[] b, int off, int len) throws IOException { + int i = in.read(b, off, len); + + if (i > 0) + offset += i; + + return i; + } + + @Override + protected long skip(int n) throws IOException { + long i = in.skip(n); + + if (i > 0) + offset += i; + + return i; + } + + @Override + public long getOffset() { + return offset; + } + + @Override + public void seek(long pos) throws IOException { + throw new IOException("could not seek: no random access"); + } + + @Override + public boolean hasRandomAccess() { + return false; + } + + @Override + public boolean hasLeft() throws IOException { + return in.available() > 0; + } + + @Override + public void close() throws IOException { + in.close(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/MP4RandomAccessStream.java b/src/main/java/net/sourceforge/jaad/mp4/MP4RandomAccessStream.java new file mode 100644 index 00000000..07e282b5 --- /dev/null +++ b/src/main/java/net/sourceforge/jaad/mp4/MP4RandomAccessStream.java @@ -0,0 +1,61 @@ +package net.sourceforge.jaad.mp4; + +import java.io.IOException; +import java.io.RandomAccessFile; + +public class MP4RandomAccessStream extends MP4InputReader { + + private final RandomAccessFile fin; + + /** + * Constructs an MP4InputStream that reads from a + * RandomAccessFile. It will have random access and seeking + * will be possible. + * + * @param fin a RandomAccessFile to read from + */ + MP4RandomAccessStream(RandomAccessFile fin) { + this.fin = fin; + } + + @Override + protected int read() throws IOException { + return fin.read(); + } + + + @Override + protected int read(byte[] b, int off, int len) throws IOException { + return fin.read(b, off, len); + } + + @Override + protected long skip(int n) throws IOException { + return fin.skipBytes(n); + } + + @Override + public long getOffset() throws IOException { + return fin.getFilePointer(); + } + + @Override + public void seek(long pos) throws IOException { + fin.seek(pos); + } + + @Override + public boolean hasRandomAccess() { + return true; + } + + + @Override + public boolean hasLeft() throws IOException { + return fin.getFilePointer()<(fin.length()-1); + } + + public void close() throws IOException { + fin.close(); + } +} diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/Artwork.java b/src/main/java/net/sourceforge/jaad/mp4/api/Artwork.java index b1bafc43..39041e97 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/Artwork.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/Artwork.java @@ -6,78 +6,82 @@ import java.util.logging.Level; import java.util.logging.Logger; import javax.imageio.ImageIO; + import net.sourceforge.jaad.mp4.boxes.impl.meta.ITunesMetadataBox.DataType; + public class Artwork { - //TODO: need this enum? it just copies the DataType - public enum Type { + static final Logger LOGGER = Logger.getLogger(Artwork.class.getName()); + + // TODO: need this enum? it just copies the DataType + public enum Type { + + GIF, JPEG, PNG, BMP; - GIF, JPEG, PNG, BMP; + static Type forDataType(DataType dataType) { + Type type; + switch (dataType) { + case GIF: + type = GIF; + break; + case JPEG: + type = JPEG; + break; + case PNG: + type = PNG; + break; + case BMP: + type = BMP; + break; + default: + type = null; + } + return type; + } + } - static Type forDataType(DataType dataType) { - Type type; - switch(dataType) { - case GIF: - type = GIF; - break; - case JPEG: - type = JPEG; - break; - case PNG: - type = PNG; - break; - case BMP: - type = BMP; - break; - default: - type = null; - } - return type; - } - } - private Type type; - private byte[] data; - private Image image; + private Type type; + private byte[] data; + private Image image; - Artwork(Type type, byte[] data) { - this.type = type; - this.data = data; - } + Artwork(Type type, byte[] data) { + this.type = type; + this.data = data; + } - /** - * Returns the type of data in this artwork. - * - * @see Type - * @return the data's type - */ - public Type getType() { - return type; - } + /** + * Returns the type of data in this artwork. + * + * @return the data's type + * @see Type + */ + public Type getType() { + return type; + } - /** - * Returns the encoded data of this artwork. - * - * @return the encoded data - */ - public byte[] getData() { - return data; - } + /** + * Returns the encoded data of this artwork. + * + * @return the encoded data + */ + public byte[] getData() { + return data; + } - /** - * Returns the decoded image, that can be painted. - * - * @return the decoded image - * @throws IOException if decoding fails - */ - public Image getImage() throws IOException { - try { - if(image==null) image = ImageIO.read(new ByteArrayInputStream(data)); - return image; - } - catch(IOException e) { - Logger.getLogger("MP4 API").log(Level.SEVERE, "Artwork.getImage failed: {0}", e.toString()); - throw e; - } - } + /** + * Returns the decoded image, that can be painted. + * + * @return the decoded image + * @throws IOException if decoding fails + */ + public Image getImage() throws IOException { + try { + if (image == null) image = ImageIO.read(new ByteArrayInputStream(data)); + return image; + } catch (IOException e) { + Logger.getLogger("MP4 API").log(Level.SEVERE, "Artwork.getImage failed: {0}", e.toString()); + throw e; + } + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/AudioTrack.java b/src/main/java/net/sourceforge/jaad/mp4/api/AudioTrack.java index 7d910601..f1c2307e 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/AudioTrack.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/AudioTrack.java @@ -1,122 +1,126 @@ package net.sourceforge.jaad.mp4.api; -import net.sourceforge.jaad.mp4.MP4InputStream; +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.Box; import net.sourceforge.jaad.mp4.boxes.BoxTypes; +import net.sourceforge.jaad.mp4.boxes.impl.ESDBox; import net.sourceforge.jaad.mp4.boxes.impl.SampleDescriptionBox; import net.sourceforge.jaad.mp4.boxes.impl.SoundMediaHeaderBox; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.AudioSampleEntry; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; -import net.sourceforge.jaad.mp4.boxes.impl.ESDBox; + public class AudioTrack extends Track { - public enum AudioCodec implements Codec { - - AAC, - AC3, - AMR, - AMR_WIDE_BAND, - EVRC, - EXTENDED_AC3, - QCELP, - SMV, - UNKNOWN_AUDIO_CODEC; - - static Codec forType(long type) { - final Codec ac; - if(type==BoxTypes.MP4A_SAMPLE_ENTRY) ac = AAC; - else if(type==BoxTypes.AC3_SAMPLE_ENTRY) ac = AC3; - else if(type==BoxTypes.AMR_SAMPLE_ENTRY) ac = AMR; - else if(type==BoxTypes.AMR_WB_SAMPLE_ENTRY) ac = AMR_WIDE_BAND; - else if(type==BoxTypes.EVRC_SAMPLE_ENTRY) ac = EVRC; - else if(type==BoxTypes.EAC3_SAMPLE_ENTRY) ac = EXTENDED_AC3; - else if(type==BoxTypes.QCELP_SAMPLE_ENTRY) ac = QCELP; - else if(type==BoxTypes.SMV_SAMPLE_ENTRY) ac = SMV; - else ac = UNKNOWN_AUDIO_CODEC; - return ac; - } - } - private final SoundMediaHeaderBox smhd; - private final AudioSampleEntry sampleEntry; - private Codec codec; - - public AudioTrack(Box trak, MP4InputStream in) { - super(trak, in); - - final Box mdia = trak.getChild(BoxTypes.MEDIA_BOX); - final Box minf = mdia.getChild(BoxTypes.MEDIA_INFORMATION_BOX); - smhd = (SoundMediaHeaderBox) minf.getChild(BoxTypes.SOUND_MEDIA_HEADER_BOX); - - final Box stbl = minf.getChild(BoxTypes.SAMPLE_TABLE_BOX); - - //sample descriptions: 'mp4a' and 'enca' have an ESDBox, all others have a CodecSpecificBox - final SampleDescriptionBox stsd = (SampleDescriptionBox) stbl.getChild(BoxTypes.SAMPLE_DESCRIPTION_BOX); - if(stsd.getChildren().get(0) instanceof AudioSampleEntry) { - sampleEntry = (AudioSampleEntry) stsd.getChildren().get(0); - final long type = sampleEntry.getType(); - if(sampleEntry.hasChild(BoxTypes.ESD_BOX)) findDecoderSpecificInfo((ESDBox) sampleEntry.getChild(BoxTypes.ESD_BOX)); - else decoderInfo = DecoderInfo.parse((CodecSpecificBox) sampleEntry.getChildren().get(0)); - - if(type==BoxTypes.ENCRYPTED_AUDIO_SAMPLE_ENTRY||type==BoxTypes.DRMS_SAMPLE_ENTRY) { - findDecoderSpecificInfo((ESDBox) sampleEntry.getChild(BoxTypes.ESD_BOX)); - protection = Protection.parse(sampleEntry.getChild(BoxTypes.PROTECTION_SCHEME_INFORMATION_BOX)); - codec = protection.getOriginalFormat(); - } - else codec = AudioCodec.forType(sampleEntry.getType()); - } - else { - sampleEntry = null; - codec = AudioCodec.UNKNOWN_AUDIO_CODEC; - } - } - - @Override - public Type getType() { - return Type.AUDIO; - } - - @Override - public Codec getCodec() { - return codec; - } - - /** - * The balance is a floating-point number that places mono audio tracks in a - * stereo space: 0 is centre (the normal value), full left is -1.0 and full - * right is 1.0. - * - * @return the stereo balance for a this track - */ - public double getBalance() { - return smhd.getBalance(); - } - - /** - * Returns the number of channels in this audio track. - * @return the number of channels - */ - public int getChannelCount() { - return sampleEntry.getChannelCount(); - } - - /** - * Returns the sample rate of this audio track. - * @return the sample rate - */ - public int getSampleRate() { - return sampleEntry.getSampleRate(); - } - - /** - * Returns the sample size in bits for this track. - * @return the sample size - */ - public int getSampleSize() { - return sampleEntry.getSampleSize(); - } - - public double getVolume() { - return tkhd.getVolume(); - } + public enum AudioCodec implements Codec { + + AAC, + AC3, + AMR, + AMR_WIDE_BAND, + EVRC, + EXTENDED_AC3, + QCELP, + SMV, + UNKNOWN_AUDIO_CODEC; + + static Codec forType(long type) { + Codec ac; + if (type == BoxTypes.MP4A_SAMPLE_ENTRY) ac = AAC; + else if (type == BoxTypes.AC3_SAMPLE_ENTRY) ac = AC3; + else if (type == BoxTypes.AMR_SAMPLE_ENTRY) ac = AMR; + else if (type == BoxTypes.AMR_WB_SAMPLE_ENTRY) ac = AMR_WIDE_BAND; + else if (type == BoxTypes.EVRC_SAMPLE_ENTRY) ac = EVRC; + else if (type == BoxTypes.EAC3_SAMPLE_ENTRY) ac = EXTENDED_AC3; + else if (type == BoxTypes.QCELP_SAMPLE_ENTRY) ac = QCELP; + else if (type == BoxTypes.SMV_SAMPLE_ENTRY) ac = SMV; + else ac = UNKNOWN_AUDIO_CODEC; + return ac; + } + } + + private final SoundMediaHeaderBox smhd; + private final AudioSampleEntry sampleEntry; + private Codec codec; + + public AudioTrack(Box trak, MP4Input in) { + super(trak, in); + + Box mdia = trak.getChild(BoxTypes.MEDIA_BOX); + Box minf = mdia.getChild(BoxTypes.MEDIA_INFORMATION_BOX); + smhd = (SoundMediaHeaderBox) minf.getChild(BoxTypes.SOUND_MEDIA_HEADER_BOX); + + Box stbl = minf.getChild(BoxTypes.SAMPLE_TABLE_BOX); + + //sample descriptions: 'mp4a' and 'enca' have an ESDBox, all others have a CodecSpecificBox + SampleDescriptionBox stsd = (SampleDescriptionBox) stbl.getChild(BoxTypes.SAMPLE_DESCRIPTION_BOX); + if (stsd.getChildren().get(0) instanceof AudioSampleEntry) { + sampleEntry = (AudioSampleEntry) stsd.getChildren().get(0); + long type = sampleEntry.getType(); + if (sampleEntry.hasChild(BoxTypes.ESD_BOX)) + findDecoderSpecificInfo((ESDBox) sampleEntry.getChild(BoxTypes.ESD_BOX)); + else decoderInfo = DecoderInfo.parse((CodecSpecificBox) sampleEntry.getChildren().get(0)); + + if (type == BoxTypes.ENCRYPTED_AUDIO_SAMPLE_ENTRY || type == BoxTypes.DRMS_SAMPLE_ENTRY) { + findDecoderSpecificInfo((ESDBox) sampleEntry.getChild(BoxTypes.ESD_BOX)); + protection = Protection.parse(sampleEntry.getChild(BoxTypes.PROTECTION_SCHEME_INFORMATION_BOX)); + codec = protection.getOriginalFormat(); + } else codec = AudioCodec.forType(sampleEntry.getType()); + } else { + sampleEntry = null; + codec = AudioCodec.UNKNOWN_AUDIO_CODEC; + } + } + + @Override + public Type getType() { + return Type.AUDIO; + } + + @Override + public Codec getCodec() { + return codec; + } + + /** + * The balance is a floating-point number that places mono audio tracks in a + * stereo space: 0 is centre (the normal value), full left is -1.0 and full + * right is 1.0. + * + * @return the stereo balance for this track + */ + public double getBalance() { + return smhd.getBalance(); + } + + /** + * Returns the number of channels in this audio track. + * + * @return the number of channels + */ + public int getChannelCount() { + return sampleEntry.getChannelCount(); + } + + /** + * Returns the sample rate of this audio track. + * + * @return the sample rate + */ + public int getSampleRate() { + return sampleEntry.getSampleRate(); + } + + /** + * Returns the sample size in bits for this track. + * + * @return the sample size + */ + public int getSampleSize() { + return sampleEntry.getSampleSize(); + } + + public double getVolume() { + return tkhd.getVolume(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/Brand.java b/src/main/java/net/sourceforge/jaad/mp4/api/Brand.java index 1988e103..767c20ec 100644 Binary files a/src/main/java/net/sourceforge/jaad/mp4/api/Brand.java and b/src/main/java/net/sourceforge/jaad/mp4/api/Brand.java differ diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/DecoderInfo.java b/src/main/java/net/sourceforge/jaad/mp4/api/DecoderInfo.java index 6c6346b5..0afeec48 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/DecoderInfo.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/DecoderInfo.java @@ -1,42 +1,50 @@ package net.sourceforge.jaad.mp4.api; -import net.sourceforge.jaad.mp4.api.codec.*; +import net.sourceforge.jaad.mp4.api.codec.AC3DecoderInfo; +import net.sourceforge.jaad.mp4.api.codec.AMRDecoderInfo; +import net.sourceforge.jaad.mp4.api.codec.AVCDecoderInfo; +import net.sourceforge.jaad.mp4.api.codec.EAC3DecoderInfo; +import net.sourceforge.jaad.mp4.api.codec.EVRCDecoderInfo; +import net.sourceforge.jaad.mp4.api.codec.H263DecoderInfo; +import net.sourceforge.jaad.mp4.api.codec.QCELPDecoderInfo; +import net.sourceforge.jaad.mp4.api.codec.SMVDecoderInfo; import net.sourceforge.jaad.mp4.boxes.BoxTypes; -import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.*; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; + /** - * The DecoderInfo object contains the neccessary data to + * The DecoderInfo object contains the neccessary data to * initialize a decoder. A track either contains a DecoderInfo or a * byte-Array called the 'DecoderSpecificInfo', which is e.g. used for AAC. - * - * The DecoderInfo object received from a track is a subclass of + *

+ * The DecoderInfo object received from a track is a subclass of * this class depending on the Codec. - * + * * * AudioTrack track = (AudioTrack) movie.getTrack(AudioCodec.AC3); * AC3DecoderInfo info = (AC3DecoderInfo) track.getDecoderInfo(); * - * + * * @author in-somnia */ public abstract class DecoderInfo { - static DecoderInfo parse(CodecSpecificBox css) { - final long l = css.getType(); + static DecoderInfo parse(CodecSpecificBox css) { + long l = css.getType(); - final DecoderInfo info; - if(l==BoxTypes.H263_SPECIFIC_BOX) info = new H263DecoderInfo(css); - else if(l==BoxTypes.AMR_SPECIFIC_BOX) info = new AMRDecoderInfo(css); - else if(l==BoxTypes.EVRC_SPECIFIC_BOX) info = new EVRCDecoderInfo(css); - else if(l==BoxTypes.QCELP_SPECIFIC_BOX) info = new QCELPDecoderInfo(css); - else if(l==BoxTypes.SMV_SPECIFIC_BOX) info = new SMVDecoderInfo(css); - else if(l==BoxTypes.AVC_SPECIFIC_BOX) info = new AVCDecoderInfo(css); - else if(l==BoxTypes.AC3_SPECIFIC_BOX) info = new AC3DecoderInfo(css); - else if(l==BoxTypes.EAC3_SPECIFIC_BOX) info = new EAC3DecoderInfo(css); - else info = new UnknownDecoderInfo(); - return info; - } + DecoderInfo info; + if (l == BoxTypes.H263_SPECIFIC_BOX) info = new H263DecoderInfo(css); + else if (l == BoxTypes.AMR_SPECIFIC_BOX) info = new AMRDecoderInfo(css); + else if (l == BoxTypes.EVRC_SPECIFIC_BOX) info = new EVRCDecoderInfo(css); + else if (l == BoxTypes.QCELP_SPECIFIC_BOX) info = new QCELPDecoderInfo(css); + else if (l == BoxTypes.SMV_SPECIFIC_BOX) info = new SMVDecoderInfo(css); + else if (l == BoxTypes.AVC_SPECIFIC_BOX) info = new AVCDecoderInfo(css); + else if (l == BoxTypes.AC3_SPECIFIC_BOX) info = new AC3DecoderInfo(css); + else if (l == BoxTypes.EAC3_SPECIFIC_BOX) info = new EAC3DecoderInfo(css); + else info = new UnknownDecoderInfo(); + return info; + } - private static class UnknownDecoderInfo extends DecoderInfo { - } + private static class UnknownDecoderInfo extends DecoderInfo { + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/Frame.java b/src/main/java/net/sourceforge/jaad/mp4/api/Frame.java index 4c3c5282..4c717aab 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/Frame.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/Frame.java @@ -2,45 +2,45 @@ public class Frame implements Comparable { - private final Type type; - private final long offset, size; - private final double time; - private byte[] data; - - Frame(Type type, long offset, long size, double time) { - this.type = type; - this.offset = offset; - this.size = size; - this.time = time; - } - - public Type getType() { - return type; - } - - public long getOffset() { - return offset; - } - - public long getSize() { - return size; - } - - public double getTime() { - return time; - } - - public int compareTo(Frame f) { - final double d = time-f.time; - //0 should not happen, since frames don't have the same timestamps - return (d<0) ? -1 : ((d>0) ? 1 : 0); - } - - public void setData(byte[] data) { - this.data = data; - } - - public byte[] getData() { - return data; - } + private final Type type; + private final long offset, size; + private final double time; + private byte[] data; + + Frame(Type type, long offset, long size, double time) { + this.type = type; + this.offset = offset; + this.size = size; + this.time = time; + } + + public Type getType() { + return type; + } + + public long getOffset() { + return offset; + } + + public long getSize() { + return size; + } + + public double getTime() { + return time; + } + + public int compareTo(Frame f) { + double d = time - f.time; + //0 should not happen, since frames don't have the same timestamps + return (d < 0) ? -1 : ((d > 0) ? 1 : 0); + } + + public void setData(byte[] data) { + this.data = data; + } + + public byte[] getData() { + return data; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/ID3Frame.java b/src/main/java/net/sourceforge/jaad/mp4/api/ID3Frame.java index b2564fb1..0f541461 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/ID3Frame.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/ID3Frame.java @@ -8,192 +8,192 @@ import java.util.Date; import java.util.Locale; + class ID3Frame { - static final int ALBUM_TITLE = 1413565506; //TALB - static final int ALBUM_SORT_ORDER = 1414745921; //TSOA - static final int ARTIST = 1414546737; //TPE1 - static final int ATTACHED_PICTURE = 1095780675; //APIC - static final int AUDIO_ENCRYPTION = 1095061059; //AENC - static final int AUDIO_SEEK_POINT_INDEX = 1095979081; //ASPI - static final int BAND = 1414546738; //TPE2 - static final int BEATS_PER_MINUTE = 1413632077; //TBPM - static final int COMMENTS = 1129270605; //COMM - static final int COMMERCIAL_FRAME = 1129270610; //COMR - static final int COMMERCIAL_INFORMATION = 1464029005; //WCOM - static final int COMPOSER = 1413697357; //TCOM - static final int CONDUCTOR = 1414546739; //TPE3 - static final int CONTENT_GROUP_DESCRIPTION = 1414091825; //TIT1 - static final int CONTENT_TYPE = 1413697358; //TCON - static final int COPYRIGHT = 1464029008; //WCOP - static final int COPYRIGHT_MESSAGE = 1413697360; //TCOP - static final int ENCODED_BY = 1413828163; //TENC - static final int ENCODING_TIME = 1413760334; //TDEN - static final int ENCRYPTION_METHOD_REGISTRATION = 1162756946; //ENCR - static final int EQUALISATION = 1162958130; //EQU2 - static final int EVENT_TIMING_CODES = 1163150159; //ETCO - static final int FILE_OWNER = 1414485838; //TOWN - static final int FILE_TYPE = 1413893204; //TFLT - static final int GENERAL_ENCAPSULATED_OBJECT = 1195724610; //GEOB - static final int GROUP_IDENTIFICATION_REGISTRATION = 1196575044; //GRID - static final int INITIAL_KEY = 1414219097; //TKEY - static final int INTERNET_RADIO_STATION_NAME = 1414681422; //TRSN - static final int INTERNET_RADIO_STATION_OWNER = 1414681423; //TRSO - static final int MODIFIED_BY = 1414546740; //TPE4 - static final int INVOLVED_PEOPLE_LIST = 1414090828; //TIPL - static final int INTERNATIONAL_STANDARD_RECORDING_CODE = 1414746691; //TSRC - static final int LANGUAGES = 1414283598; //TLAN - static final int LENGTH = 1414284622; //TLEN - static final int LINKED_INFORMATION = 1279872587; //LINK - static final int LYRICIST = 1413830740; //TEXT - static final int MEDIA_TYPE = 1414350148; //TMED - static final int MOOD = 1414352719; //TMOO - static final int MPEG_LOCATION_LOOKUP_TABLE = 1296845908; //MLLT - static final int MUSICIAN_CREDITS_LIST = 1414349644; //TMCL - static final int MUSIC_CD_IDENTIFIER = 1296254025; //MCDI - static final int OFFICIAL_ARTIST_WEBPAGE = 1464811858; //WOAR - static final int OFFICIAL_AUDIO_FILE_WEBPAGE = 1464811846; //WOAF - static final int OFFICIAL_AUDIO_SOURCE_WEBPAGE = 1464811859; //WOAS - static final int OFFICIAL_INTERNET_RADIO_STATION_HOMEPAGE = 1464816211; //WORS - static final int ORIGINAL_ALBUM_TITLE = 1414480204; //TOAL - static final int ORIGINAL_ARTIST = 1414484037; //TOPE - static final int ORIGINAL_FILENAME = 1414481486; //TOFN - static final int ORIGINAL_LYRICIST = 1414483033; //TOLY - static final int ORIGINAL_RELEASE_TIME = 1413762898; //TDOR - static final int OWNERSHIP_FRAME = 1331121733; //OWNE - static final int PART_OF_A_SET = 1414549331; //TPOS - static final int PAYMENT = 1464877401; //WPAY - static final int PERFORMER_SORT_ORDER = 1414745936; //TSOP - static final int PLAYLIST_DELAY = 1413762137; //TDLY - static final int PLAY_COUNTER = 1346588244; //PCNT - static final int POPULARIMETER = 1347375181; //POPM - static final int POSITION_SYNCHRONISATION_FRAME = 1347375955; //POSS - static final int PRIVATE_FRAME = 1347570006; //PRIV - static final int PRODUCED_NOTICE = 1414550095; //TPRO - static final int PUBLISHER = 1414550850; //TPUB - static final int PUBLISHERS_OFFICIAL_WEBPAGE = 1464882498; //WPUB - static final int RECOMMENDED_BUFFER_SIZE = 1380078918; //RBUF - static final int RECORDING_TIME = 1413763651; //TDRC - static final int RELATIVE_VOLUME_ADJUSTMENT = 1381384498; //RVA2 - static final int RELEASE_TIME = 1413763660; //TDRL - static final int REVERB = 1381388866; //RVRB - static final int SEEK_FRAME = 1397048651; //SEEK - static final int SET_SUBTITLE = 1414746964; //TSST - static final int SIGNATURE_FRAME = 1397311310; //SIGN - static final int ENCODING_TOOLS_AND_SETTINGS = 1414746949; //TSSE - static final int SUBTITLE = 1414091827; //TIT3 - static final int SYNCHRONISED_LYRIC = 1398361172; //SYLT - static final int SYNCHRONISED_TEMPO_CODES = 1398363203; //SYTC - static final int TAGGING_TIME = 1413764167; //TDTG - static final int TERMS_OF_USE = 1431520594; //USER - static final int TITLE = 1414091826; //TIT2 - static final int TITLE_SORT_ORDER = 1414745940; //TSOT - static final int TRACK_NUMBER = 1414677323; //TRCK - static final int UNIQUE_FILE_IDENTIFIER = 1430669636; //UFID - static final int UNSYNCHRONISED_LYRIC = 1431522388; //USLT - static final int USER_DEFINED_TEXT_INFORMATION_FRAME = 1415075928; //TXXX - static final int USER_DEFINED_URL_LINK_FRAME = 1465407576; //WXXX - private static final String[] TEXT_ENCODINGS = {"ISO-8859-1", "UTF-16"/*BOM*/, "UTF-16", "UTF-8"}; - private static final String[] VALID_TIMESTAMPS = {"yyyy, yyyy-MM", "yyyy-MM-dd", "yyyy-MM-ddTHH", "yyyy-MM-ddTHH:mm", "yyyy-MM-ddTHH:mm:ss"}; - private static final String UNKNOWN_LANGUAGE = "xxx"; - private long size; - private int id, flags, groupID, encryptionMethod; - private byte[] data; - - ID3Frame(DataInputStream in) throws IOException { - id = in.readInt(); - size = ID3Tag.readSynch(in); - flags = in.readShort(); - - if(isInGroup()) groupID = in.read(); - if(isEncrypted()) encryptionMethod = in.read(); - //TODO: data length indicator, unsync - - data = new byte[(int) size]; - in.readFully(data); - } - - //header data - public int getID() { - return id; - } - - public long getSize() { - return size; - } - - public final boolean isInGroup() { - return (flags&0x40)==0x40; - } - - public int getGroupID() { - return groupID; - } - - public final boolean isCompressed() { - return (flags&8)==8; - } - - public final boolean isEncrypted() { - return (flags&4)==4; - } - - public int getEncryptionMethod() { - return encryptionMethod; - } - - //content data - public byte[] getData() { - return data; - } - - public String getText() { - return new String(data, Charset.forName(TEXT_ENCODINGS[0])); - } - - public String getEncodedText() { - //first byte indicates encoding - final int enc = data[0]; - - //charsets 0,3 end with '0'; 1,2 end with '00' - int t = -1; - for(int i = 1; i0) y = new int[]{Integer.parseInt(x.substring(0, i)), Integer.parseInt(x.substring(i+1))}; - else y = new int[]{Integer.parseInt(x)}; - return y; - } - - public Date getDate() { - //timestamp lengths: 4,7,10,13,16,19 - final int i = (int) Math.floor(data.length/3)-1; - final Date date; - if(i>=0&&i 0) y = new int[] {Integer.parseInt(x.substring(0, i)), Integer.parseInt(x.substring(i + 1))}; + else y = new int[] {Integer.parseInt(x)}; + return y; + } + + public Date getDate() { + //timestamp lengths: 4,7,10,13,16,19 + int i = (int) Math.floor(data.length / 3f) - 1; + Date date; + if (i >= 0 && i < VALID_TIMESTAMPS.length) { + SimpleDateFormat sdf = new SimpleDateFormat(VALID_TIMESTAMPS[i]); + date = sdf.parse(new String(data), new ParsePosition(0)); + } else date = null; + return date; + } + + public Locale getLocale() { + String s = new String(data).toLowerCase(); + Locale l; + if (s.equals(UNKNOWN_LANGUAGE)) l = null; + else l = new Locale(s); + return l; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/ID3Tag.java b/src/main/java/net/sourceforge/jaad/mp4/api/ID3Tag.java index 989f5899..8a420299 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/ID3Tag.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/ID3Tag.java @@ -6,50 +6,51 @@ import java.util.Collections; import java.util.List; + class ID3Tag { - private static final int ID3_TAG = 4801587; //'ID3' - private static final int SUPPORTED_VERSION = 4; //id3v2.4 - private final List frames; - private final int tag, flags, len; - - ID3Tag(DataInputStream in) throws IOException { - frames = new ArrayList(); - - //id3v2 header - tag = (in.read()<<16)|(in.read()<<8)|in.read(); //'ID3' - final int majorVersion = in.read(); - in.read(); //revision - flags = in.read(); - len = readSynch(in); - - if(tag==ID3_TAG&&majorVersion<=SUPPORTED_VERSION) { - if((flags&0x40)==0x40) { - //extended header; TODO: parse - final int extSize = readSynch(in); - in.skipBytes(extSize-6); - } - - //read all id3 frames - int left = len; - ID3Frame frame; - while(left>0) { - frame = new ID3Frame(in); - frames.add(frame); - left -= frame.getSize(); - } - } - } - - public List getFrames() { - return Collections.unmodifiableList(frames); - } - - static int readSynch(DataInputStream in) throws IOException { - int x = 0; - for(int i = 0; i<4; i++) { - x |= (in.read()&0x7F); - } - return x; - } + private static final int ID3_TAG = 4801587; //'ID3' + private static final int SUPPORTED_VERSION = 4; //id3v2.4 + private final List frames; + private final int tag, flags, len; + + ID3Tag(DataInputStream in) throws IOException { + frames = new ArrayList<>(); + + //id3v2 header + tag = (in.read() << 16) | (in.read() << 8) | in.read(); //'ID3' + int majorVersion = in.read(); + in.read(); //revision + flags = in.read(); + len = readSynch(in); + + if (tag == ID3_TAG && majorVersion <= SUPPORTED_VERSION) { + if ((flags & 0x40) == 0x40) { + //extended header; TODO: parse + int extSize = readSynch(in); + in.skipBytes(extSize - 6); + } + + //read all id3 frames + int left = len; + ID3Frame frame; + while (left > 0) { + frame = new ID3Frame(in); + frames.add(frame); + left -= frame.getSize(); + } + } + } + + public List getFrames() { + return Collections.unmodifiableList(frames); + } + + static int readSynch(DataInputStream in) throws IOException { + int x = 0; + for (int i = 0; i < 4; i++) { + x |= (in.read() & 0x7F); + } + return x; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/MetaData.java b/src/main/java/net/sourceforge/jaad/mp4/api/MetaData.java index ebc37dbc..252b26e8 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/MetaData.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/MetaData.java @@ -13,6 +13,7 @@ import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; + import net.sourceforge.jaad.mp4.boxes.Box; import net.sourceforge.jaad.mp4.boxes.BoxTypes; import net.sourceforge.jaad.mp4.boxes.impl.CopyrightBox; @@ -23,6 +24,7 @@ import net.sourceforge.jaad.mp4.boxes.impl.meta.ThreeGPPLocationBox; import net.sourceforge.jaad.mp4.boxes.impl.meta.ThreeGPPMetadataBox; + /** * This class contains the metadata for a movie. It parses different metadata * types (iTunes tags, ID3). @@ -33,446 +35,448 @@ */ public class MetaData { - public static class Field { + public static class Field { + + public static final Field ARTIST = new Field<>("Artist"); + public static final Field TITLE = new Field<>("Title"); + public static final Field ALBUM_ARTIST = new Field<>("Album Artist"); + public static final Field ALBUM = new Field<>("Album"); + public static final Field TRACK_NUMBER = new Field<>("Track Number"); + public static final Field TOTAL_TRACKS = new Field<>("Total Tracks"); + public static final Field DISK_NUMBER = new Field<>("Disk Number"); + public static final Field TOTAL_DISKS = new Field<>("Total disks"); + public static final Field COMPOSER = new Field<>("Composer"); + public static final Field COMMENTS = new Field<>("Comments"); + public static final Field TEMPO = new Field<>("Tempo"); + public static final Field LENGTH_IN_MILLISECONDS = new Field<>("Length in milliseconds"); + public static final Field RELEASE_DATE = new Field<>("Release Date"); + public static final Field GENRE = new Field<>("Genre"); + public static final Field ENCODER_NAME = new Field<>("Encoder Name"); + public static final Field ENCODER_TOOL = new Field<>("Encoder Tool"); + public static final Field ENCODING_DATE = new Field<>("Encoding Date"); + public static final Field COPYRIGHT = new Field<>("Copyright"); + public static final Field PUBLISHER = new Field<>("Publisher"); + public static final Field COMPILATION = new Field<>("Part of compilation"); + public static final Field> COVER_ARTWORKS = new Field<>("Cover Artworks"); + public static final Field GROUPING = new Field<>("Grouping"); + public static final Field LOCATION = new Field<>("Location"); + public static final Field LYRICS = new Field<>("Lyrics"); + public static final Field RATING = new Field<>("Rating"); + public static final Field PODCAST = new Field<>("Podcast"); + public static final Field PODCAST_URL = new Field<>("Podcast URL"); + public static final Field CATEGORY = new Field<>("Category"); + public static final Field KEYWORDS = new Field<>("Keywords"); + public static final Field EPISODE_GLOBAL_UNIQUE_ID = new Field<>("Episode Global Unique ID"); + public static final Field DESCRIPTION = new Field<>("Description"); + public static final Field TV_SHOW = new Field<>("TV Show"); + public static final Field TV_NETWORK = new Field<>("TV Network"); + public static final Field TV_EPISODE = new Field<>("TV Episode"); + public static final Field TV_EPISODE_NUMBER = new Field<>("TV Episode Number"); + public static final Field TV_SEASON = new Field<>("TV Season"); + public static final Field INTERNET_RADIO_STATION = new Field<>("Internet Radio Station"); + public static final Field PURCHASE_DATE = new Field<>("Purchase Date"); + public static final Field GAPLESS_PLAYBACK = new Field<>("Gapless Playback"); + public static final Field HD_VIDEO = new Field<>("HD Video"); + public static final Field LANGUAGE = new Field<>("Language"); + //sorting + public static final Field ARTIST_SORT_TEXT = new Field<>("Artist Sort Text"); + public static final Field TITLE_SORT_TEXT = new Field<>("Title Sort Text"); + public static final Field ALBUM_SORT_TEXT = new Field<>("Album Sort Text"); + private String name; - public static final Field ARTIST = new Field("Artist"); - public static final Field TITLE = new Field("Title"); - public static final Field ALBUM_ARTIST = new Field("Album Artist"); - public static final Field ALBUM = new Field("Album"); - public static final Field TRACK_NUMBER = new Field("Track Number"); - public static final Field TOTAL_TRACKS = new Field("Total Tracks"); - public static final Field DISK_NUMBER = new Field("Disk Number"); - public static final Field TOTAL_DISKS = new Field("Total disks"); - public static final Field COMPOSER = new Field("Composer"); - public static final Field COMMENTS = new Field("Comments"); - public static final Field TEMPO = new Field("Tempo"); - public static final Field LENGTH_IN_MILLISECONDS = new Field("Length in milliseconds"); - public static final Field RELEASE_DATE = new Field("Release Date"); - public static final Field GENRE = new Field("Genre"); - public static final Field ENCODER_NAME = new Field("Encoder Name"); - public static final Field ENCODER_TOOL = new Field("Encoder Tool"); - public static final Field ENCODING_DATE = new Field("Encoding Date"); - public static final Field COPYRIGHT = new Field("Copyright"); - public static final Field PUBLISHER = new Field("Publisher"); - public static final Field COMPILATION = new Field("Part of compilation"); - public static final Field> COVER_ARTWORKS = new Field>("Cover Artworks"); - public static final Field GROUPING = new Field("Grouping"); - public static final Field LOCATION = new Field("Location"); - public static final Field LYRICS = new Field("Lyrics"); - public static final Field RATING = new Field("Rating"); - public static final Field PODCAST = new Field("Podcast"); - public static final Field PODCAST_URL = new Field("Podcast URL"); - public static final Field CATEGORY = new Field("Category"); - public static final Field KEYWORDS = new Field("Keywords"); - public static final Field EPISODE_GLOBAL_UNIQUE_ID = new Field("Episode Global Unique ID"); - public static final Field DESCRIPTION = new Field("Description"); - public static final Field TV_SHOW = new Field("TV Show"); - public static final Field TV_NETWORK = new Field("TV Network"); - public static final Field TV_EPISODE = new Field("TV Episode"); - public static final Field TV_EPISODE_NUMBER = new Field("TV Episode Number"); - public static final Field TV_SEASON = new Field("TV Season"); - public static final Field INTERNET_RADIO_STATION = new Field("Internet Radio Station"); - public static final Field PURCHASE_DATE = new Field("Purchase Date"); - public static final Field GAPLESS_PLAYBACK = new Field("Gapless Playback"); - public static final Field HD_VIDEO = new Field("HD Video"); - public static final Field LANGUAGE = new Field("Language"); - //sorting - public static final Field ARTIST_SORT_TEXT = new Field("Artist Sort Text"); - public static final Field TITLE_SORT_TEXT = new Field("Title Sort Text"); - public static final Field ALBUM_SORT_TEXT = new Field("Album Sort Text"); - private String name; + private Field(String name) { + this.name = name; + } - private Field(String name) { - this.name = name; - } + public String getName() { + return name; + } + } - public String getName() { - return name; - } - } - private static final String[] STANDARD_GENRES = { - "undefined", - //IDv1 standard - "blues", - "classic rock", - "country", - "dance", - "disco", - "funk", - "grunge", - "hip hop", - "jazz", - "metal", - "new age", - "oldies", - "other", - "pop", - "r and b", - "rap", - "reggae", - "rock", - "techno", - "industrial", - "alternative", - "ska", - "death metal", - "pranks", - "soundtrack", - "euro techno", - "ambient", - "trip hop", - "vocal", - "jazz funk", - "fusion", - "trance", - "classical", - "instrumental", - "acid", - "house", - "game", - "sound clip", - "gospel", - "noise", - "alternrock", - "bass", - "soul", - "punk", - "space", - "meditative", - "instrumental pop", - "instrumental rock", - "ethnic", - "gothic", - "darkwave", - "techno industrial", - "electronic", - "pop folk", - "eurodance", - "dream", - "southern rock", - "comedy", - "cult", - "gangsta", - "top ", - "christian rap", - "pop funk", - "jungle", - "native american", - "cabaret", - "new wave", - "psychedelic", - "rave", - "showtunes", - "trailer", - "lo fi", - "tribal", - "acid punk", - "acid jazz", - "polka", - "retro", - "musical", - "rock and roll", - //winamp extension - "hard rock", - "folk", - "folk rock", - "national folk", - "swing", - "fast fusion", - "bebob", - "latin", - "revival", - "celtic", - "bluegrass", - "avantgarde", - "gothic rock", - "progressive rock", - "psychedelic rock", - "symphonic rock", - "slow rock", - "big band", - "chorus", - "easy listening", - "acoustic", - "humour", - "speech", - "chanson", - "opera", - "chamber music", - "sonata", - "symphony", - "booty bass", - "primus", - "porn groove", - "satire", - "slow jam", - "club", - "tango", - "samba", - "folklore", - "ballad", - "power ballad", - "rhythmic soul", - "freestyle", - "duet", - "punk rock", - "drum solo", - "a capella", - "euro house", - "dance hall" - }; - private static final String[] NERO_TAGS = { - "artist", "title", "album", "track", "totaltracks", "year", "genre", - "disc", "totaldiscs", "url", "copyright", "comment", "lyrics", - "credits", "rating", "label", "composer", "isrc", "mood", "tempo" - }; - private Map, Object> contents; + private static final String[] STANDARD_GENRES = { + "undefined", + //IDv1 standard + "blues", + "classic rock", + "country", + "dance", + "disco", + "funk", + "grunge", + "hip hop", + "jazz", + "metal", + "new age", + "oldies", + "other", + "pop", + "r and b", + "rap", + "reggae", + "rock", + "techno", + "industrial", + "alternative", + "ska", + "death metal", + "pranks", + "soundtrack", + "euro techno", + "ambient", + "trip hop", + "vocal", + "jazz funk", + "fusion", + "trance", + "classical", + "instrumental", + "acid", + "house", + "game", + "sound clip", + "gospel", + "noise", + "alternrock", + "bass", + "soul", + "punk", + "space", + "meditative", + "instrumental pop", + "instrumental rock", + "ethnic", + "gothic", + "darkwave", + "techno industrial", + "electronic", + "pop folk", + "eurodance", + "dream", + "southern rock", + "comedy", + "cult", + "gangsta", + "top ", + "christian rap", + "pop funk", + "jungle", + "native american", + "cabaret", + "new wave", + "psychedelic", + "rave", + "showtunes", + "trailer", + "lo fi", + "tribal", + "acid punk", + "acid jazz", + "polka", + "retro", + "musical", + "rock and roll", + //winamp extension + "hard rock", + "folk", + "folk rock", + "national folk", + "swing", + "fast fusion", + "bebob", + "latin", + "revival", + "celtic", + "bluegrass", + "avantgarde", + "gothic rock", + "progressive rock", + "psychedelic rock", + "symphonic rock", + "slow rock", + "big band", + "chorus", + "easy listening", + "acoustic", + "humour", + "speech", + "chanson", + "opera", + "chamber music", + "sonata", + "symphony", + "booty bass", + "primus", + "porn groove", + "satire", + "slow jam", + "club", + "tango", + "samba", + "folklore", + "ballad", + "power ballad", + "rhythmic soul", + "freestyle", + "duet", + "punk rock", + "drum solo", + "a capella", + "euro house", + "dance hall" + }; + private static final String[] NERO_TAGS = { + "artist", "title", "album", "track", "totaltracks", "year", "genre", + "disc", "totaldiscs", "url", "copyright", "comment", "lyrics", + "credits", "rating", "label", "composer", "isrc", "mood", "tempo" + }; + private Map, Object> contents; - MetaData() { - contents = new HashMap, Object>(); - } + MetaData() { + contents = new HashMap<>(); + } - /*moov.udta: - * -3gpp boxes - * -meta - * --ilst - * --tags - * --meta (no container!) - * --tseg - * ---tshd - */ - void parse(Box udta, Box meta) { - //standard boxes - if(meta.hasChild(BoxTypes.COPYRIGHT_BOX)) { - CopyrightBox cprt = (CopyrightBox) meta.getChild(BoxTypes.COPYRIGHT_BOX); - put(Field.LANGUAGE, new Locale(cprt.getLanguageCode())); - put(Field.COPYRIGHT, cprt.getNotice()); - } - //3gpp user data - if(udta!=null) parse3GPPData(udta); - //id3, TODO: can be present in different languages - if(meta.hasChild(BoxTypes.ID3_TAG_BOX)) parseID3((ID3TagBox) meta.getChild(BoxTypes.ID3_TAG_BOX)); - //itunes - if(meta.hasChild(BoxTypes.ITUNES_META_LIST_BOX)) parseITunesMetaData(meta.getChild(BoxTypes.ITUNES_META_LIST_BOX)); - //nero tags - if(meta.hasChild(BoxTypes.NERO_METADATA_TAGS_BOX)) parseNeroTags((NeroMetadataTagsBox) meta.getChild(BoxTypes.NERO_METADATA_TAGS_BOX)); - } + /*moov.udta: + * -3gpp boxes + * -meta + * --ilst + * --tags + * --meta (no container!) + * --tseg + * ---tshd + */ + void parse(Box udta, Box meta) { + //standard boxes + if (meta.hasChild(BoxTypes.COPYRIGHT_BOX)) { + CopyrightBox cprt = (CopyrightBox) meta.getChild(BoxTypes.COPYRIGHT_BOX); + put(Field.LANGUAGE, new Locale(cprt.getLanguageCode())); + put(Field.COPYRIGHT, cprt.getNotice()); + } + //3gpp user data + if (udta != null) parse3GPPData(udta); + //id3, TODO: can be present in different languages + if (meta.hasChild(BoxTypes.ID3_TAG_BOX)) parseID3((ID3TagBox) meta.getChild(BoxTypes.ID3_TAG_BOX)); + //itunes + if (meta.hasChild(BoxTypes.ITUNES_META_LIST_BOX)) + parseITunesMetaData(meta.getChild(BoxTypes.ITUNES_META_LIST_BOX)); + //nero tags + if (meta.hasChild(BoxTypes.NERO_METADATA_TAGS_BOX)) + parseNeroTags((NeroMetadataTagsBox) meta.getChild(BoxTypes.NERO_METADATA_TAGS_BOX)); + } - //parses specific children of 'udta': 3GPP - //TODO: handle language codes - private void parse3GPPData(Box udta) { - if(udta.hasChild(BoxTypes.THREE_GPP_ALBUM_BOX)) { - ThreeGPPAlbumBox albm = (ThreeGPPAlbumBox) udta.getChild(BoxTypes.THREE_GPP_ALBUM_BOX); - put(Field.ALBUM, albm.getData()); - put(Field.TRACK_NUMBER, albm.getTrackNumber()); - } - //if(udta.hasChild(BoxTypes.THREE_GPP_AUTHOR_BOX)); - //if(udta.hasChild(BoxTypes.THREE_GPP_CLASSIFICATION_BOX)); - if(udta.hasChild(BoxTypes.THREE_GPP_DESCRIPTION_BOX)) put(Field.DESCRIPTION, ((ThreeGPPMetadataBox) udta.getChild(BoxTypes.THREE_GPP_DESCRIPTION_BOX)).getData()); - if(udta.hasChild(BoxTypes.THREE_GPP_KEYWORDS_BOX)) put(Field.KEYWORDS, ((ThreeGPPMetadataBox) udta.getChild(BoxTypes.THREE_GPP_KEYWORDS_BOX)).getData()); - if(udta.hasChild(BoxTypes.THREE_GPP_LOCATION_INFORMATION_BOX)) put(Field.LOCATION, ((ThreeGPPLocationBox) udta.getChild(BoxTypes.THREE_GPP_LOCATION_INFORMATION_BOX)).getPlaceName()); - if(udta.hasChild(BoxTypes.THREE_GPP_PERFORMER_BOX)) put(Field.ARTIST, ((ThreeGPPMetadataBox) udta.getChild(BoxTypes.THREE_GPP_PERFORMER_BOX)).getData()); - if(udta.hasChild(BoxTypes.THREE_GPP_RECORDING_YEAR_BOX)) { - final String value = ((ThreeGPPMetadataBox) udta.getChild(BoxTypes.THREE_GPP_RECORDING_YEAR_BOX)).getData(); - try { - put(Field.RELEASE_DATE, new Date(Integer.parseInt(value))); - } - catch(NumberFormatException e) { - Logger.getLogger("MP4 API").log(Level.INFO, "unable to parse 3GPP metadata: recording year value: {0}", value); - } - } - if(udta.hasChild(BoxTypes.THREE_GPP_TITLE_BOX)) put(Field.TITLE, ((ThreeGPPMetadataBox) udta.getChild(BoxTypes.THREE_GPP_TITLE_BOX)).getData()); - } + //parses specific children of 'udta': 3GPP + //TODO: handle language codes + private void parse3GPPData(Box udta) { + if (udta.hasChild(BoxTypes.THREE_GPP_ALBUM_BOX)) { + ThreeGPPAlbumBox albm = (ThreeGPPAlbumBox) udta.getChild(BoxTypes.THREE_GPP_ALBUM_BOX); + put(Field.ALBUM, albm.getData()); + put(Field.TRACK_NUMBER, albm.getTrackNumber()); + } + //if(udta.hasChild(BoxTypes.THREE_GPP_AUTHOR_BOX)); + //if(udta.hasChild(BoxTypes.THREE_GPP_CLASSIFICATION_BOX)); + if (udta.hasChild(BoxTypes.THREE_GPP_DESCRIPTION_BOX)) + put(Field.DESCRIPTION, ((ThreeGPPMetadataBox) udta.getChild(BoxTypes.THREE_GPP_DESCRIPTION_BOX)).getData()); + if (udta.hasChild(BoxTypes.THREE_GPP_KEYWORDS_BOX)) + put(Field.KEYWORDS, ((ThreeGPPMetadataBox) udta.getChild(BoxTypes.THREE_GPP_KEYWORDS_BOX)).getData()); + if (udta.hasChild(BoxTypes.THREE_GPP_LOCATION_INFORMATION_BOX)) + put(Field.LOCATION, ((ThreeGPPLocationBox) udta.getChild(BoxTypes.THREE_GPP_LOCATION_INFORMATION_BOX)).getPlaceName()); + if (udta.hasChild(BoxTypes.THREE_GPP_PERFORMER_BOX)) + put(Field.ARTIST, ((ThreeGPPMetadataBox) udta.getChild(BoxTypes.THREE_GPP_PERFORMER_BOX)).getData()); + if (udta.hasChild(BoxTypes.THREE_GPP_RECORDING_YEAR_BOX)) { + String value = ((ThreeGPPMetadataBox) udta.getChild(BoxTypes.THREE_GPP_RECORDING_YEAR_BOX)).getData(); + try { + put(Field.RELEASE_DATE, new Date(Integer.parseInt(value))); + } catch (NumberFormatException e) { + Logger.getLogger("MP4 API").log(Level.FINE, "unable to parse 3GPP metadata: recording year value: {0}", value); + } + } + if (udta.hasChild(BoxTypes.THREE_GPP_TITLE_BOX)) + put(Field.TITLE, ((ThreeGPPMetadataBox) udta.getChild(BoxTypes.THREE_GPP_TITLE_BOX)).getData()); + } - //parses children of 'ilst': iTunes - private void parseITunesMetaData(Box ilst) { - final List boxes = ilst.getChildren(); - long l; - ITunesMetadataBox data; - for(Box box : boxes) { - l = box.getType(); - data = (ITunesMetadataBox) box.getChild(BoxTypes.ITUNES_METADATA_BOX); + //parses children of 'ilst': iTunes + private void parseITunesMetaData(Box ilst) { + List boxes = ilst.getChildren(); + long l; + ITunesMetadataBox data; + for (Box box : boxes) { + l = box.getType(); + data = (ITunesMetadataBox) box.getChild(BoxTypes.ITUNES_METADATA_BOX); - if(l==BoxTypes.ARTIST_NAME_BOX) put(Field.ARTIST, data.getText()); - else if(l==BoxTypes.TRACK_NAME_BOX) put(Field.TITLE, data.getText()); - else if(l==BoxTypes.ALBUM_ARTIST_NAME_BOX) put(Field.ALBUM_ARTIST, data.getText()); - else if(l==BoxTypes.ALBUM_NAME_BOX) put(Field.ALBUM, data.getText()); - else if(l==BoxTypes.TRACK_NUMBER_BOX) { - byte[] b = data.getData(); - put(Field.TRACK_NUMBER, new Integer(b[3])); - put(Field.TOTAL_TRACKS, new Integer(b[5])); - } - else if(l==BoxTypes.DISK_NUMBER_BOX) put(Field.DISK_NUMBER, data.getInteger()); - else if(l==BoxTypes.COMPOSER_NAME_BOX) put(Field.COMPOSER, data.getText()); - else if(l==BoxTypes.COMMENTS_BOX) put(Field.COMMENTS, data.getText()); - else if(l==BoxTypes.TEMPO_BOX) put(Field.TEMPO, data.getInteger()); - else if(l==BoxTypes.RELEASE_DATE_BOX) put(Field.RELEASE_DATE, data.getDate()); - else if(l==BoxTypes.GENRE_BOX||l==BoxTypes.CUSTOM_GENRE_BOX) { - String s = null; - if(data.getDataType()==ITunesMetadataBox.DataType.UTF8) s = data.getText(); - else { - final int i = data.getInteger(); - if(i>0&&i list = new ArrayList(); - list.add(aw); - put(Field.COVER_ARTWORKS, list); - } - } - else if(l==BoxTypes.GROUPING_BOX) put(Field.GROUPING, data.getText()); - else if(l==BoxTypes.LYRICS_BOX) put(Field.LYRICS, data.getText()); - else if(l==BoxTypes.RATING_BOX) put(Field.RATING, data.getInteger()); - else if(l==BoxTypes.PODCAST_BOX) put(Field.PODCAST, data.getInteger()); - else if(l==BoxTypes.PODCAST_URL_BOX) put(Field.PODCAST_URL, data.getText()); - else if(l==BoxTypes.CATEGORY_BOX) put(Field.CATEGORY, data.getText()); - else if(l==BoxTypes.KEYWORD_BOX) put(Field.KEYWORDS, data.getText()); - else if(l==BoxTypes.DESCRIPTION_BOX) put(Field.DESCRIPTION, data.getText()); - else if(l==BoxTypes.LONG_DESCRIPTION_BOX) put(Field.DESCRIPTION, data.getText()); - else if(l==BoxTypes.TV_SHOW_BOX) put(Field.TV_SHOW, data.getText()); - else if(l==BoxTypes.TV_NETWORK_NAME_BOX) put(Field.TV_NETWORK, data.getText()); - else if(l==BoxTypes.TV_EPISODE_BOX) put(Field.TV_EPISODE, data.getText()); - else if(l==BoxTypes.TV_EPISODE_NUMBER_BOX) put(Field.TV_EPISODE_NUMBER, data.getInteger()); - else if(l==BoxTypes.TV_SEASON_BOX) put(Field.TV_SEASON, data.getInteger()); - else if(l==BoxTypes.PURCHASE_DATE_BOX) put(Field.PURCHASE_DATE, data.getText()); - else if(l==BoxTypes.GAPLESS_PLAYBACK_BOX) put(Field.GAPLESS_PLAYBACK, data.getText()); - else if(l==BoxTypes.HD_VIDEO_BOX) put(Field.HD_VIDEO, data.getBoolean()); - else if(l==BoxTypes.ARTIST_SORT_BOX) put(Field.ARTIST_SORT_TEXT, data.getText()); - else if(l==BoxTypes.TRACK_SORT_BOX) put(Field.TITLE_SORT_TEXT, data.getText()); - else if(l==BoxTypes.ALBUM_SORT_BOX) put(Field.ALBUM_SORT_TEXT, data.getText()); - } - } + if (l == BoxTypes.ARTIST_NAME_BOX) put(Field.ARTIST, data.getText()); + else if (l == BoxTypes.TRACK_NAME_BOX) put(Field.TITLE, data.getText()); + else if (l == BoxTypes.ALBUM_ARTIST_NAME_BOX) put(Field.ALBUM_ARTIST, data.getText()); + else if (l == BoxTypes.ALBUM_NAME_BOX) put(Field.ALBUM, data.getText()); + else if (l == BoxTypes.TRACK_NUMBER_BOX) { + byte[] b = data.getData(); + put(Field.TRACK_NUMBER, (int) b[3]); + put(Field.TOTAL_TRACKS, new Integer(b[5])); + } else if (l == BoxTypes.DISK_NUMBER_BOX) put(Field.DISK_NUMBER, data.getInteger()); + else if (l == BoxTypes.COMPOSER_NAME_BOX) put(Field.COMPOSER, data.getText()); + else if (l == BoxTypes.COMMENTS_BOX) put(Field.COMMENTS, data.getText()); + else if (l == BoxTypes.TEMPO_BOX) put(Field.TEMPO, data.getInteger()); + else if (l == BoxTypes.RELEASE_DATE_BOX) put(Field.RELEASE_DATE, data.getDate()); + else if (l == BoxTypes.GENRE_BOX || l == BoxTypes.CUSTOM_GENRE_BOX) { + String s = null; + if (data.getDataType() == ITunesMetadataBox.DataType.UTF8) s = data.getText(); + else { + int i = data.getInteger(); + if (i > 0 && i < STANDARD_GENRES.length) s = STANDARD_GENRES[data.getInteger()]; + } + if (s != null) put(Field.GENRE, s); + } else if (l == BoxTypes.ENCODER_NAME_BOX) put(Field.ENCODER_NAME, data.getText()); + else if (l == BoxTypes.ENCODER_TOOL_BOX) put(Field.ENCODER_TOOL, data.getText()); + else if (l == BoxTypes.COPYRIGHT_BOX) put(Field.COPYRIGHT, data.getText()); + else if (l == BoxTypes.COMPILATION_PART_BOX) put(Field.COMPILATION, data.getBoolean()); + else if (l == BoxTypes.COVER_BOX) { + Artwork aw = new Artwork(Artwork.Type.forDataType(data.getDataType()), data.getData()); + if (contents.containsKey(Field.COVER_ARTWORKS)) get(Field.COVER_ARTWORKS).add(aw); + else { + List list = new ArrayList<>(); + list.add(aw); + put(Field.COVER_ARTWORKS, list); + } + } else if (l == BoxTypes.GROUPING_BOX) put(Field.GROUPING, data.getText()); + else if (l == BoxTypes.LYRICS_BOX) put(Field.LYRICS, data.getText()); + else if (l == BoxTypes.RATING_BOX) put(Field.RATING, data.getInteger()); + else if (l == BoxTypes.PODCAST_BOX) put(Field.PODCAST, data.getInteger()); + else if (l == BoxTypes.PODCAST_URL_BOX) put(Field.PODCAST_URL, data.getText()); + else if (l == BoxTypes.CATEGORY_BOX) put(Field.CATEGORY, data.getText()); + else if (l == BoxTypes.KEYWORD_BOX) put(Field.KEYWORDS, data.getText()); + else if (l == BoxTypes.DESCRIPTION_BOX) put(Field.DESCRIPTION, data.getText()); + else if (l == BoxTypes.LONG_DESCRIPTION_BOX) put(Field.DESCRIPTION, data.getText()); + else if (l == BoxTypes.TV_SHOW_BOX) put(Field.TV_SHOW, data.getText()); + else if (l == BoxTypes.TV_NETWORK_NAME_BOX) put(Field.TV_NETWORK, data.getText()); + else if (l == BoxTypes.TV_EPISODE_BOX) put(Field.TV_EPISODE, data.getText()); + else if (l == BoxTypes.TV_EPISODE_NUMBER_BOX) put(Field.TV_EPISODE_NUMBER, data.getInteger()); + else if (l == BoxTypes.TV_SEASON_BOX) put(Field.TV_SEASON, data.getInteger()); + else if (l == BoxTypes.PURCHASE_DATE_BOX) put(Field.PURCHASE_DATE, data.getText()); + else if (l == BoxTypes.GAPLESS_PLAYBACK_BOX) put(Field.GAPLESS_PLAYBACK, data.getText()); + else if (l == BoxTypes.HD_VIDEO_BOX) put(Field.HD_VIDEO, data.getBoolean()); + else if (l == BoxTypes.ARTIST_SORT_BOX) put(Field.ARTIST_SORT_TEXT, data.getText()); + else if (l == BoxTypes.TRACK_SORT_BOX) put(Field.TITLE_SORT_TEXT, data.getText()); + else if (l == BoxTypes.ALBUM_SORT_BOX) put(Field.ALBUM_SORT_TEXT, data.getText()); + } + } - //parses children of ID3 - private void parseID3(ID3TagBox box) { - try { - final DataInputStream in = new DataInputStream(new ByteArrayInputStream(box.getID3Data())); - ID3Tag tag = new ID3Tag(in); - int[] num; - for(ID3Frame frame : tag.getFrames()) { - switch(frame.getID()) { - case ID3Frame.TITLE: - put(Field.TITLE, frame.getEncodedText()); - break; - case ID3Frame.ALBUM_TITLE: - put(Field.ALBUM, frame.getEncodedText()); - break; - case ID3Frame.TRACK_NUMBER: - num = frame.getNumbers(); - put(Field.TRACK_NUMBER, num[0]); - if(num.length>1) put(Field.TOTAL_TRACKS, num[1]); - break; - case ID3Frame.ARTIST: - put(Field.ARTIST, frame.getEncodedText()); - break; - case ID3Frame.COMPOSER: - put(Field.COMPOSER, frame.getEncodedText()); - break; - case ID3Frame.BEATS_PER_MINUTE: - put(Field.TEMPO, frame.getNumber()); - break; - case ID3Frame.LENGTH: - put(Field.LENGTH_IN_MILLISECONDS, frame.getNumber()); - break; - case ID3Frame.LANGUAGES: - put(Field.LANGUAGE, frame.getLocale()); - break; - case ID3Frame.COPYRIGHT_MESSAGE: - put(Field.COPYRIGHT, frame.getEncodedText()); - break; - case ID3Frame.PUBLISHER: - put(Field.PUBLISHER, frame.getEncodedText()); - break; - case ID3Frame.INTERNET_RADIO_STATION_NAME: - put(Field.INTERNET_RADIO_STATION, frame.getEncodedText()); - break; - case ID3Frame.ENCODING_TIME: - put(Field.ENCODING_DATE, frame.getDate()); - break; - case ID3Frame.RELEASE_TIME: - put(Field.RELEASE_DATE, frame.getDate()); - break; - case ID3Frame.ENCODING_TOOLS_AND_SETTINGS: - put(Field.ENCODER_TOOL, frame.getEncodedText()); - break; - case ID3Frame.PERFORMER_SORT_ORDER: - put(Field.ARTIST_SORT_TEXT, frame.getEncodedText()); - break; - case ID3Frame.TITLE_SORT_ORDER: - put(Field.TITLE_SORT_TEXT, frame.getEncodedText()); - break; - case ID3Frame.ALBUM_SORT_ORDER: - put(Field.ALBUM_SORT_TEXT, frame.getEncodedText()); - break; - } - } - } - catch(IOException e) { - Logger.getLogger("MP4 API").log(Level.SEVERE, "Exception in MetaData.parseID3: {0}", e.toString()); - } - } + //parses children of ID3 + private void parseID3(ID3TagBox box) { + try { + DataInputStream in = new DataInputStream(new ByteArrayInputStream(box.getID3Data())); + ID3Tag tag = new ID3Tag(in); + int[] num; + for (ID3Frame frame : tag.getFrames()) { + switch (frame.getID()) { + case ID3Frame.TITLE: + put(Field.TITLE, frame.getEncodedText()); + break; + case ID3Frame.ALBUM_TITLE: + put(Field.ALBUM, frame.getEncodedText()); + break; + case ID3Frame.TRACK_NUMBER: + num = frame.getNumbers(); + put(Field.TRACK_NUMBER, num[0]); + if (num.length > 1) put(Field.TOTAL_TRACKS, num[1]); + break; + case ID3Frame.ARTIST: + put(Field.ARTIST, frame.getEncodedText()); + break; + case ID3Frame.COMPOSER: + put(Field.COMPOSER, frame.getEncodedText()); + break; + case ID3Frame.BEATS_PER_MINUTE: + put(Field.TEMPO, frame.getNumber()); + break; + case ID3Frame.LENGTH: + put(Field.LENGTH_IN_MILLISECONDS, frame.getNumber()); + break; + case ID3Frame.LANGUAGES: + put(Field.LANGUAGE, frame.getLocale()); + break; + case ID3Frame.COPYRIGHT_MESSAGE: + put(Field.COPYRIGHT, frame.getEncodedText()); + break; + case ID3Frame.PUBLISHER: + put(Field.PUBLISHER, frame.getEncodedText()); + break; + case ID3Frame.INTERNET_RADIO_STATION_NAME: + put(Field.INTERNET_RADIO_STATION, frame.getEncodedText()); + break; + case ID3Frame.ENCODING_TIME: + put(Field.ENCODING_DATE, frame.getDate()); + break; + case ID3Frame.RELEASE_TIME: + put(Field.RELEASE_DATE, frame.getDate()); + break; + case ID3Frame.ENCODING_TOOLS_AND_SETTINGS: + put(Field.ENCODER_TOOL, frame.getEncodedText()); + break; + case ID3Frame.PERFORMER_SORT_ORDER: + put(Field.ARTIST_SORT_TEXT, frame.getEncodedText()); + break; + case ID3Frame.TITLE_SORT_ORDER: + put(Field.TITLE_SORT_TEXT, frame.getEncodedText()); + break; + case ID3Frame.ALBUM_SORT_ORDER: + put(Field.ALBUM_SORT_TEXT, frame.getEncodedText()); + break; + } + } + } catch (IOException e) { + Logger.getLogger("MP4 API").log(Level.SEVERE, "Exception in MetaData.parseID3: {0}", e.toString()); + } + } - //parses children of 'tags': Nero - private void parseNeroTags(NeroMetadataTagsBox tags) { - final Map pairs = tags.getPairs(); - String val; - for(String key : pairs.keySet()) { - val = pairs.get(key); - try { - if(key.equals(NERO_TAGS[0])) put(Field.ARTIST, val); - if(key.equals(NERO_TAGS[1])) put(Field.TITLE, val); - if(key.equals(NERO_TAGS[2])) put(Field.ALBUM, val); - if(key.equals(NERO_TAGS[3])) put(Field.TRACK_NUMBER, Integer.parseInt(val)); - if(key.equals(NERO_TAGS[4])) put(Field.TOTAL_TRACKS, Integer.parseInt(val)); - if(key.equals(NERO_TAGS[5])) { - Calendar c = Calendar.getInstance(); - c.set(Calendar.YEAR, Integer.parseInt(val)); - put(Field.RELEASE_DATE, c.getTime()); - } - if(key.equals(NERO_TAGS[6])) put(Field.GENRE, val); - if(key.equals(NERO_TAGS[7])) put(Field.DISK_NUMBER, Integer.parseInt(val)); - if(key.equals(NERO_TAGS[8])) put(Field.TOTAL_DISKS, Integer.parseInt(val)); - if(key.equals(NERO_TAGS[9])); //url - if(key.equals(NERO_TAGS[10])) put(Field.COPYRIGHT, val); - if(key.equals(NERO_TAGS[11])) put(Field.COMMENTS, val); - if(key.equals(NERO_TAGS[12])) put(Field.LYRICS, val); - if(key.equals(NERO_TAGS[13])); //credits - if(key.equals(NERO_TAGS[14])) put(Field.RATING, Integer.parseInt(val)); - if(key.equals(NERO_TAGS[15])) put(Field.PUBLISHER, val); - if(key.equals(NERO_TAGS[16])) put(Field.COMPOSER, val); - if(key.equals(NERO_TAGS[17])); //isrc - if(key.equals(NERO_TAGS[18])); //mood - if(key.equals(NERO_TAGS[19])) put(Field.TEMPO, Integer.parseInt(val)); - } - catch(NumberFormatException e) { - Logger.getLogger("MP4 API").log(Level.SEVERE, "Exception in MetaData.parseNeroTags: {0}", e.toString()); - } - } - } + //parses children of 'tags': Nero + private void parseNeroTags(NeroMetadataTagsBox tags) { + Map pairs = tags.getPairs(); + String val; + for (String key : pairs.keySet()) { + val = pairs.get(key); + try { + if (key.equals(NERO_TAGS[0])) put(Field.ARTIST, val); + if (key.equals(NERO_TAGS[1])) put(Field.TITLE, val); + if (key.equals(NERO_TAGS[2])) put(Field.ALBUM, val); + if (key.equals(NERO_TAGS[3])) put(Field.TRACK_NUMBER, Integer.parseInt(val)); + if (key.equals(NERO_TAGS[4])) put(Field.TOTAL_TRACKS, Integer.parseInt(val)); + if (key.equals(NERO_TAGS[5])) { + Calendar c = Calendar.getInstance(); + c.set(Calendar.YEAR, Integer.parseInt(val)); + put(Field.RELEASE_DATE, c.getTime()); + } + if (key.equals(NERO_TAGS[6])) put(Field.GENRE, val); + if (key.equals(NERO_TAGS[7])) put(Field.DISK_NUMBER, Integer.parseInt(val)); + if (key.equals(NERO_TAGS[8])) put(Field.TOTAL_DISKS, Integer.parseInt(val)); + if (key.equals(NERO_TAGS[9])) ; //url + if (key.equals(NERO_TAGS[10])) put(Field.COPYRIGHT, val); + if (key.equals(NERO_TAGS[11])) put(Field.COMMENTS, val); + if (key.equals(NERO_TAGS[12])) put(Field.LYRICS, val); + if (key.equals(NERO_TAGS[13])) ; //credits + if (key.equals(NERO_TAGS[14])) put(Field.RATING, Integer.parseInt(val)); + if (key.equals(NERO_TAGS[15])) put(Field.PUBLISHER, val); + if (key.equals(NERO_TAGS[16])) put(Field.COMPOSER, val); + if (key.equals(NERO_TAGS[17])) ; //isrc + if (key.equals(NERO_TAGS[18])) ; //mood + if (key.equals(NERO_TAGS[19])) put(Field.TEMPO, Integer.parseInt(val)); + } catch (NumberFormatException e) { + Logger.getLogger("MP4 API").log(Level.SEVERE, "Exception in MetaData.parseNeroTags: {0}", e.toString()); + } + } + } - private void put(Field field, T value) { - contents.put(field, value); - } + private void put(Field field, T value) { + contents.put(field, value); + } - boolean containsMetaData() { - return !contents.isEmpty(); - } + boolean containsMetaData() { + return !contents.isEmpty(); + } - @SuppressWarnings("unchecked") - public T get(Field field) { - return (T) contents.get(field); - } + @SuppressWarnings("unchecked") + public T get(Field field) { + return (T) contents.get(field); + } - public Map, Object> getAll() { - return Collections.unmodifiableMap(contents); - } + public Map, Object> getAll() { + return Collections.unmodifiableMap(contents); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/Movie.java b/src/main/java/net/sourceforge/jaad/mp4/api/Movie.java index dda2ec48..7a2aab2e 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/Movie.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/Movie.java @@ -5,189 +5,195 @@ import java.util.Collections; import java.util.Date; import java.util.List; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.Box; import net.sourceforge.jaad.mp4.boxes.BoxTypes; import net.sourceforge.jaad.mp4.boxes.impl.HandlerBox; import net.sourceforge.jaad.mp4.boxes.impl.MovieHeaderBox; + public class Movie { - private final MP4InputStream in; - private final MovieHeaderBox mvhd; - private final List tracks; - private final MetaData metaData; - private final List protections; - - public Movie(Box moov, MP4InputStream in) { - this.in = in; - - //create tracks - mvhd = (MovieHeaderBox) moov.getChild(BoxTypes.MOVIE_HEADER_BOX); - List trackBoxes = moov.getChildren(BoxTypes.TRACK_BOX); - tracks = new ArrayList(trackBoxes.size()); - Track track; - for(int i = 0; i(); - if(moov.hasChild(BoxTypes.ITEM_PROTECTION_BOX)) { - Box ipro = moov.getChild(BoxTypes.ITEM_PROTECTION_BOX); - for(Box sinf : ipro.getChildren(BoxTypes.PROTECTION_SCHEME_INFORMATION_BOX)) { - protections.add(Protection.parse(sinf)); - } - } - } - - //TODO: support hint and meta - private Track createTrack(Box trak) { - final HandlerBox hdlr = (HandlerBox) trak.getChild(BoxTypes.MEDIA_BOX).getChild(BoxTypes.HANDLER_BOX); - final Track track; - switch((int) hdlr.getHandlerType()) { - case HandlerBox.TYPE_VIDEO: - track = new VideoTrack(trak, in); - break; - case HandlerBox.TYPE_SOUND: - track = new AudioTrack(trak, in); - break; - default: - track = null; - } - return track; - } - - /** - * Returns an unmodifiable list of all tracks in this movie. The tracks are - * ordered as they appeare in the file/stream. - * - * @return the tracks contained by this movie - */ - public List getTracks() { - return Collections.unmodifiableList(tracks); - } - - /** - * Returns an unmodifiable list of all tracks in this movie with the - * specified type. The tracks are ordered as they appeare in the - * file/stream. - * - * @return the tracks contained by this movie with the passed type - */ - public List getTracks(Type type) { - final List l = new ArrayList(); - for(Track t : tracks) { - if(t.getType().equals(type)) l.add(t); - } - return Collections.unmodifiableList(l); - } - - /** - * Returns an unmodifiable list of all tracks in this movie whose samples - * are encoded with the specified codec. The tracks are ordered as they - * appeare in the file/stream. - * - * @return the tracks contained by this movie with the passed type - */ - public List getTracks(Track.Codec codec) { - final List l = new ArrayList(); - for(Track t : tracks) { - if(t.getCodec().equals(codec)) l.add(t); - } - return Collections.unmodifiableList(l); - } - - /** - * Indicates if this movie contains metadata. If false the MetaData - * object returned by getMetaData() will not contain any field. - * - * @return true if this movie contains any metadata - */ - public boolean containsMetaData() { - return metaData.containsMetaData(); - } - - /** - * Returns the MetaData object for this movie. - * - * @return the MetaData for this movie - */ - public MetaData getMetaData() { - return metaData; - } - - /** - * Returns the ProtectionInformation objects that contains - * details about the DRM systems used. If no protection is present the - * returned list will be empty. - * - * @return a list of protection informations - */ - public List getProtections() { - return Collections.unmodifiableList(protections); - } - - //mvhd - /** - * Returns the time this movie was created. - * @return the creation time - */ - public Date getCreationTime() { - return Utils.getDate(mvhd.getCreationTime()); - } - - /** - * Returns the last time this movie was modified. - * @return the modification time - */ - public Date getModificationTime() { - return Utils.getDate(mvhd.getModificationTime()); - } - - /** - * Returns the duration in seconds. - * @return the duration - */ - public double getDuration() { - return (double) mvhd.getDuration()/(double) mvhd.getTimeScale(); - } - - /** - * Indicates if there are more frames to be read in this movie. - * - * @return true if there is at least one track in this movie that has at least one more frame to read. - */ - public boolean hasMoreFrames() { - for(Track track : tracks) { - if(track.hasMoreFrames()) return true; - } - return false; - } - - /** - * Reads the next frame from this movie (from one of the contained tracks). - * The frame is the next in time-order, thus the next for playback. If none - * of the tracks contains any more frames, null is returned. - * - * @return the next frame or null if there are no more frames to read from this movie. - * @throws IOException if reading fails - */ - public Frame readNextFrame() throws IOException { - Track track = null; - for(Track t : tracks) { - if(t.hasMoreFrames()&&(track==null||t.getNextTimeStamp() tracks; + private final MetaData metaData; + private final List protections; + + public Movie(Box moov, MP4Input in) { + this.in = in; + + //create tracks + mvhd = (MovieHeaderBox) moov.getChild(BoxTypes.MOVIE_HEADER_BOX); + List trackBoxes = moov.getChildren(BoxTypes.TRACK_BOX); + tracks = new ArrayList<>(trackBoxes.size()); + Track track; + for (Box trackBox : trackBoxes) { + track = createTrack(trackBox); + if (track != null) tracks.add(track); + } + + //read metadata: moov.meta/moov.udta.meta + metaData = new MetaData(); + if (moov.hasChild(BoxTypes.META_BOX)) metaData.parse(null, moov.getChild(BoxTypes.META_BOX)); + else if (moov.hasChild(BoxTypes.USER_DATA_BOX)) { + Box udta = moov.getChild(BoxTypes.USER_DATA_BOX); + if (udta.hasChild(BoxTypes.META_BOX)) metaData.parse(udta, udta.getChild(BoxTypes.META_BOX)); + } + + //detect DRM + protections = new ArrayList<>(); + if (moov.hasChild(BoxTypes.ITEM_PROTECTION_BOX)) { + Box ipro = moov.getChild(BoxTypes.ITEM_PROTECTION_BOX); + for (Box sinf : ipro.getChildren(BoxTypes.PROTECTION_SCHEME_INFORMATION_BOX)) { + protections.add(Protection.parse(sinf)); + } + } + } + + // TODO: support hint and meta + private Track createTrack(Box trak) { + HandlerBox hdlr = (HandlerBox) trak.getChild(BoxTypes.MEDIA_BOX).getChild(BoxTypes.HANDLER_BOX); + Track track; + switch ((int) hdlr.getHandlerType()) { + case HandlerBox.TYPE_VIDEO: + track = new VideoTrack(trak, in); + break; + case HandlerBox.TYPE_SOUND: + track = new AudioTrack(trak, in); + break; + default: + track = null; + } + return track; + } + + /** + * Returns an unmodifiable list of all tracks in this movie. The tracks are + * ordered as they appeare in the file/stream. + * + * @return the tracks contained by this movie + */ + public List getTracks() { + return Collections.unmodifiableList(tracks); + } + + /** + * Returns an unmodifiable list of all tracks in this movie with the + * specified type. The tracks are ordered as they appeare in the + * file/stream. + * + * @return the tracks contained by this movie with the passed type + */ + public List getTracks(Type type) { + List l = new ArrayList<>(); + for (Track t : tracks) { + if (t.getType().equals(type)) l.add(t); + } + return Collections.unmodifiableList(l); + } + + /** + * Returns an unmodifiable list of all tracks in this movie whose samples + * are encoded with the specified codec. The tracks are ordered as they + * appeare in the file/stream. + * + * @return the tracks contained by this movie with the passed type + */ + public List getTracks(Track.Codec codec) { + List l = new ArrayList<>(); + for (Track t : tracks) { + if (t.getCodec().equals(codec)) l.add(t); + } + return Collections.unmodifiableList(l); + } + + /** + * Indicates if this movie contains metadata. If false the MetaData + * object returned by getMetaData() will not contain any field. + * + * @return true if this movie contains any metadata + */ + public boolean containsMetaData() { + return metaData.containsMetaData(); + } + + /** + * Returns the MetaData object for this movie. + * + * @return the MetaData for this movie + */ + public MetaData getMetaData() { + return metaData; + } + + /** + * Returns the ProtectionInformation objects that contains + * details about the DRM systems used. If no protection is present the + * returned list will be empty. + * + * @return a list of protection information + */ + public List getProtections() { + return Collections.unmodifiableList(protections); + } + + //mvhd + + /** + * Returns the time this movie was created. + * + * @return the creation time + */ + public Date getCreationTime() { + return Utils.getDate(mvhd.getCreationTime()); + } + + /** + * Returns the last time this movie was modified. + * + * @return the modification time + */ + public Date getModificationTime() { + return Utils.getDate(mvhd.getModificationTime()); + } + + /** + * Returns the duration in seconds. + * + * @return the duration + */ + public double getDuration() { + return (double) mvhd.getDuration() / (double) mvhd.getTimeScale(); + } + + /** + * Indicates if there are more frames to be read in this movie. + * + * @return true if there is at least one track in this movie that has at least one more frame to read. + */ + public boolean hasMoreFrames() { + for (Track track : tracks) { + if (track.hasMoreFrames()) return true; + } + return false; + } + + /** + * Reads the next frame from this movie (from one of the contained tracks). + * The frame is the next in time-order, thus the next for playback. If none + * of the tracks contains any more frames, null is returned. + * + * @return the next frame or null if there are no more frames to read from this movie. + * @throws IOException if reading fails + */ + public Frame readNextFrame() throws IOException { + Track track = null; + for (Track t : tracks) { + if (t.hasMoreFrames() && (track == null || t.getNextTimeStamp() < track.getNextTimeStamp())) track = t; + } + + return (track == null) ? null : track.readNextFrame(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/Protection.java b/src/main/java/net/sourceforge/jaad/mp4/api/Protection.java index 6a268637..cc1abaeb 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/Protection.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/Protection.java @@ -7,61 +7,65 @@ import net.sourceforge.jaad.mp4.boxes.impl.OriginalFormatBox; import net.sourceforge.jaad.mp4.boxes.impl.SchemeTypeBox; + /** * This class contains information about a DRM system. */ public abstract class Protection { - public static enum Scheme { + public enum Scheme { + + ITUNES_FAIR_PLAY(1769239918), + UNKNOWN(-1); + private final long type; - ITUNES_FAIR_PLAY(1769239918), - UNKNOWN(-1); - private long type; + Scheme(long type) { + this.type = type; + } + } - private Scheme(long type) { - this.type = type; - } - } + static Protection parse(Box sinf) { + Protection p = null; + if (sinf.hasChild(BoxTypes.SCHEME_TYPE_BOX)) { + SchemeTypeBox schm = (SchemeTypeBox) sinf.getChild(BoxTypes.SCHEME_TYPE_BOX); + long l = schm.getSchemeType(); + if (l == Scheme.ITUNES_FAIR_PLAY.type) p = new ITunesProtection(sinf); + } - static Protection parse(Box sinf) { - Protection p = null; - if(sinf.hasChild(BoxTypes.SCHEME_TYPE_BOX)) { - final SchemeTypeBox schm = (SchemeTypeBox) sinf.getChild(BoxTypes.SCHEME_TYPE_BOX); - final long l = schm.getSchemeType(); - if(l==Scheme.ITUNES_FAIR_PLAY.type) p = new ITunesProtection(sinf); - } + if (p == null) p = new UnknownProtection(sinf); + return p; + } - if(p==null) p = new UnknownProtection(sinf); - return p; - } - private final Codec originalFormat; + private final Codec originalFormat; - protected Protection(Box sinf) { - //original format - final long type = ((OriginalFormatBox) sinf.getChild(BoxTypes.ORIGINAL_FORMAT_BOX)).getOriginalFormat(); - Codec c; - //TODO: currently it tests for audio and video codec, can do this any other way? - if(!(c = AudioTrack.AudioCodec.forType(type)).equals(AudioTrack.AudioCodec.UNKNOWN_AUDIO_CODEC)) originalFormat = c; - else if(!(c = VideoTrack.VideoCodec.forType(type)).equals(VideoTrack.VideoCodec.UNKNOWN_VIDEO_CODEC)) originalFormat = c; - else originalFormat = null; - } + protected Protection(Box sinf) { + //original format + long type = ((OriginalFormatBox) sinf.getChild(BoxTypes.ORIGINAL_FORMAT_BOX)).getOriginalFormat(); + Codec c; + //TODO: currently it tests for audio and video codec, can do this any other way? + if (!(c = AudioTrack.AudioCodec.forType(type)).equals(AudioTrack.AudioCodec.UNKNOWN_AUDIO_CODEC)) + originalFormat = c; + else if (!(c = VideoTrack.VideoCodec.forType(type)).equals(VideoTrack.VideoCodec.UNKNOWN_VIDEO_CODEC)) + originalFormat = c; + else originalFormat = null; + } - Codec getOriginalFormat() { - return originalFormat; - } + Codec getOriginalFormat() { + return originalFormat; + } - public abstract Scheme getScheme(); + public abstract Scheme getScheme(); - //default implementation for unknown protection schemes - private static class UnknownProtection extends Protection { + //default implementation for unknown protection schemes + private static class UnknownProtection extends Protection { - UnknownProtection(Box sinf) { - super(sinf); - } + UnknownProtection(Box sinf) { + super(sinf); + } - @Override - public Scheme getScheme() { - return Scheme.UNKNOWN; - } - } + @Override + public Scheme getScheme() { + return Scheme.UNKNOWN; + } + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/Track.java b/src/main/java/net/sourceforge/jaad/mp4/api/Track.java index f799bd2c..0fb514b8 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/Track.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/Track.java @@ -1,7 +1,6 @@ package net.sourceforge.jaad.mp4.api; import java.io.EOFException; -import java.util.logging.Logger; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; @@ -11,25 +10,27 @@ import java.util.List; import java.util.Locale; import java.util.logging.Level; -import net.sourceforge.jaad.mp4.MP4InputStream; +import java.util.logging.Logger; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.Box; import net.sourceforge.jaad.mp4.boxes.BoxTypes; import net.sourceforge.jaad.mp4.boxes.impl.ChunkOffsetBox; import net.sourceforge.jaad.mp4.boxes.impl.DataEntryUrlBox; import net.sourceforge.jaad.mp4.boxes.impl.DataReferenceBox; +import net.sourceforge.jaad.mp4.boxes.impl.DecodingTimeToSampleBox; +import net.sourceforge.jaad.mp4.boxes.impl.ESDBox; import net.sourceforge.jaad.mp4.boxes.impl.MediaHeaderBox; import net.sourceforge.jaad.mp4.boxes.impl.SampleSizeBox; import net.sourceforge.jaad.mp4.boxes.impl.SampleToChunkBox; -import net.sourceforge.jaad.mp4.boxes.impl.DecodingTimeToSampleBox; import net.sourceforge.jaad.mp4.boxes.impl.TrackHeaderBox; import net.sourceforge.jaad.mp4.od.DecoderSpecificInfo; -import net.sourceforge.jaad.mp4.boxes.impl.ESDBox; -import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.SampleEntry; import net.sourceforge.jaad.mp4.od.Descriptor; + /** * This class represents a track in a movie. - * + *

* Each track contains either a decoder specific info as a byte array or a * DecoderInfo object that contains necessary information for the * decoder. @@ -39,349 +40,355 @@ //TODO: expand javadoc; use generics for subclasses? public abstract class Track { - public interface Codec { - //TODO: currently only marker interface - } - private final MP4InputStream in; - protected final TrackHeaderBox tkhd; - private final MediaHeaderBox mdhd; - private final boolean inFile; - private final List frames; - private URL location; - private int currentFrame; - //info structures - protected DecoderSpecificInfo decoderSpecificInfo; - protected DecoderInfo decoderInfo; - protected Protection protection; - - Track(Box trak, MP4InputStream in) { - this.in = in; - - tkhd = (TrackHeaderBox) trak.getChild(BoxTypes.TRACK_HEADER_BOX); - - final Box mdia = trak.getChild(BoxTypes.MEDIA_BOX); - mdhd = (MediaHeaderBox) mdia.getChild(BoxTypes.MEDIA_HEADER_BOX); - final Box minf = mdia.getChild(BoxTypes.MEDIA_INFORMATION_BOX); - - final Box dinf = minf.getChild(BoxTypes.DATA_INFORMATION_BOX); - final DataReferenceBox dref = (DataReferenceBox) dinf.getChild(BoxTypes.DATA_REFERENCE_BOX); - //TODO: support URNs - if(dref.hasChild(BoxTypes.DATA_ENTRY_URL_BOX)) { - DataEntryUrlBox url = (DataEntryUrlBox) dref.getChild(BoxTypes.DATA_ENTRY_URL_BOX); - inFile = url.isInFile(); - if(!inFile) { - try { - location = new URL(url.getLocation()); - } - catch(MalformedURLException e) { - Logger.getLogger("MP4 API").log(Level.WARNING, "Parsing URL-Box failed: {0}, url: {1}", new String[]{e.toString(), url.getLocation()}); - location = null; - } - } - } + public interface Codec { + //TODO: currently only marker interface + } + + private final MP4Input in; + protected final TrackHeaderBox tkhd; + private final MediaHeaderBox mdhd; + private final boolean inFile; + private final List frames; + private URL location; + private int currentFrame; + //info structures + protected DecoderSpecificInfo decoderSpecificInfo; + protected DecoderInfo decoderInfo; + protected Protection protection; + + Track(Box trak, MP4Input in) { + this.in = in; + + tkhd = (TrackHeaderBox) trak.getChild(BoxTypes.TRACK_HEADER_BOX); + + Box mdia = trak.getChild(BoxTypes.MEDIA_BOX); + mdhd = (MediaHeaderBox) mdia.getChild(BoxTypes.MEDIA_HEADER_BOX); + Box minf = mdia.getChild(BoxTypes.MEDIA_INFORMATION_BOX); + + Box dinf = minf.getChild(BoxTypes.DATA_INFORMATION_BOX); + DataReferenceBox dref = (DataReferenceBox) dinf.getChild(BoxTypes.DATA_REFERENCE_BOX); + //TODO: support URNs + if (dref.hasChild(BoxTypes.DATA_ENTRY_URL_BOX)) { + DataEntryUrlBox url = (DataEntryUrlBox) dref.getChild(BoxTypes.DATA_ENTRY_URL_BOX); + inFile = url.isInFile(); + if (!inFile) { + try { + location = new URL(url.getLocation()); + } catch (MalformedURLException e) { + Logger.getLogger("MP4 API").log(Level.WARNING, "Parsing URL-Box failed: {0}, url: {1}", new String[] {e.toString(), url.getLocation()}); + location = null; + } + } + } /*else if(dref.containsChild(BoxTypes.DATA_ENTRY_URN_BOX)) { DataEntryUrnBox urn = (DataEntryUrnBox) dref.getChild(BoxTypes.DATA_ENTRY_URN_BOX); inFile = urn.isInFile(); location = urn.getLocation(); }*/ - else { - inFile = true; - location = null; - } - - //sample table - final Box stbl = minf.getChild(BoxTypes.SAMPLE_TABLE_BOX); - if(stbl.hasChildren()) { - frames = new ArrayList(); - parseSampleTable(stbl); - } - else frames = Collections.emptyList(); - currentFrame = 0; - } - - private void parseSampleTable(Box stbl) { - final double timeScale = mdhd.getTimeScale(); - final Type type = getType(); - - //sample sizes - final long[] sampleSizes = ((SampleSizeBox) stbl.getChild(BoxTypes.SAMPLE_SIZE_BOX)).getSampleSizes(); - - //chunk offsets - final ChunkOffsetBox stco; - if(stbl.hasChild(BoxTypes.CHUNK_OFFSET_BOX)) stco = (ChunkOffsetBox) stbl.getChild(BoxTypes.CHUNK_OFFSET_BOX); - else stco = (ChunkOffsetBox) stbl.getChild(BoxTypes.CHUNK_LARGE_OFFSET_BOX); - final long[] chunkOffsets = stco.getChunks(); - - //samples to chunks - final SampleToChunkBox stsc = ((SampleToChunkBox) stbl.getChild(BoxTypes.SAMPLE_TO_CHUNK_BOX)); - final long[] firstChunks = stsc.getFirstChunks(); - final long[] samplesPerChunk = stsc.getSamplesPerChunk(); - - //sample durations/timestamps - final DecodingTimeToSampleBox stts = (DecodingTimeToSampleBox) stbl.getChild(BoxTypes.DECODING_TIME_TO_SAMPLE_BOX); - final long[] sampleCounts = stts.getSampleCounts(); - final long[] sampleDeltas = stts.getSampleDeltas(); - final long[] timeOffsets = new long[sampleSizes.length]; - long tmp = 0; - int off = 0; - for(int i = 0; i children = ed.getChildren(); - List children2; - - for(Descriptor e : children) { - children2 = e.getChildren(); - for(Descriptor e2 : children2) { - switch(e2.getType()) { - case Descriptor.TYPE_DECODER_SPECIFIC_INFO: - decoderSpecificInfo = (DecoderSpecificInfo) e2; - break; - } - } - } - } - - protected void parseSampleEntry(Box sampleEntry, Class clazz) { - T type; - try { - type = clazz.newInstance(); - if(sampleEntry.getClass().isInstance(type)) { - System.out.println("true"); - } - } - catch(InstantiationException ex) { - ex.printStackTrace(); - } - catch(IllegalAccessException ex) { - ex.printStackTrace(); - } - } - - public abstract Type getType(); - - public abstract Codec getCodec(); - - //tkhd - /** - * Returns true if the track is enabled. A disabled track is treated as if - * it were not present. - * @return true if the track is enabled - */ - public boolean isEnabled() { - return tkhd.isTrackEnabled(); - } - - /** - * Returns true if the track is used in the presentation. - * @return true if the track is used - */ - public boolean isUsed() { - return tkhd.isTrackInMovie(); - } - - /** - * Returns true if the track is used in previews. - * @return true if the track is used in previews - */ - public boolean isUsedForPreview() { - return tkhd.isTrackInPreview(); - } - - /** - * Returns the time this track was created. - * @return the creation time - */ - public Date getCreationTime() { - return Utils.getDate(tkhd.getCreationTime()); - } - - /** - * Returns the last time this track was modified. - * @return the modification time - */ - public Date getModificationTime() { - return Utils.getDate(tkhd.getModificationTime()); - } - - //mdhd - /** - * Returns the language for this media. - * @return the language - */ - public Locale getLanguage() { - return new Locale(mdhd.getLanguage()); - } - - /** - * Returns true if the data for this track is present in this file (stream). - * If not, getLocation() returns the URL where the data can be - * found. - * @return true if the data is in this file (stream), false otherwise - */ - public boolean isInFile() { - return inFile; - } - - /** - * If the data for this track is not present in this file (if - * isInFile returns false), this method returns the data's - * location. Else null is returned. - * @return the data's location or null if the data is in this file - */ - public URL getLocation() { - return location; - } - - //info structures - /** - * Returns the decoder specific info, if present. It contains configuration - * data for the decoder. If the decoder specific info is not present, the - * track contains a DecoderInfo. - * - * @see #getDecoderInfo() - * @return the decoder specific info - */ - public byte[] getDecoderSpecificInfo() { - return decoderSpecificInfo.getData(); - } - - /** - * Returns the DecoderInfo, if present. It contains - * configuration information for the decoder. If the structure is not - * present, the track contains a decoder specific info. - * - * @see #getDecoderSpecificInfo() - * @return the codec specific structure - */ - public DecoderInfo getDecoderInfo() { - return decoderInfo; - } - - /** - * Returns the ProtectionInformation object that contains - * details about the DRM system used. If no protection is present this - * method returns null. - * - * @return a ProtectionInformation object or null if no - * protection is used - */ - public Protection getProtection() { - return protection; - } - - //reading - /** - * Indicates if there are more frames to be read in this track. - * - * @return true if there is at least one more frame to read. - */ - public boolean hasMoreFrames() { - return currentFrame0) in.skipBytes(diff); - else if(diff<0) { - if(in.hasRandomAccess()) in.seek(frame.getOffset()); - else { - Logger.getLogger("MP4 API").log(Level.WARNING, "readNextFrame failed: frame {0} already skipped, offset:{1}, stream:{2}", new Object[]{currentFrame, frame.getOffset(), in.getOffset()}); - throw new IOException("frame already skipped and no random access"); - } - } - - final byte[] b = new byte[(int) frame.getSize()]; - try { - in.readBytes(b); - } - catch(EOFException e) { - Logger.getLogger("MP4 API").log(Level.WARNING, "readNextFrame failed: tried to read {0} bytes at {1}", new Long[]{frame.getSize(), in.getOffset()}); - throw e; - } - frame.setData(b); - currentFrame++; - } - return frame; - } - - /** - * This method tries to seek to the frame that is nearest to the given - * timestamp. It returns the timestamp of the frame it seeked to or -1 if - * none was found. - * - * @param timestamp a timestamp to seek to - * @return the frame's timestamp that the method seeked to - */ - public double seek(double timestamp) { - //find first frame > timestamp - Frame frame = null; - for(int i = 0; itimestamp) { - currentFrame = i; - break; - } - } - return (frame==null) ? -1 : frame.getTime(); - } - - /** - * Returns the timestamp of the next frame to be read. This is needed to - * read frames from a movie that contains multiple tracks. - * - * @return the next frame's timestamp - */ - double getNextTimeStamp() { - return frames.get(currentFrame).getTime(); - } + else { + inFile = true; + location = null; + } + + //sample table + Box stbl = minf.getChild(BoxTypes.SAMPLE_TABLE_BOX); + if (stbl.hasChildren()) { + frames = new ArrayList<>(); + parseSampleTable(stbl); + } else frames = Collections.emptyList(); + currentFrame = 0; + } + + private void parseSampleTable(Box stbl) { + double timeScale = mdhd.getTimeScale(); + Type type = getType(); + + //sample sizes + long[] sampleSizes = ((SampleSizeBox) stbl.getChild(BoxTypes.SAMPLE_SIZE_BOX)).getSampleSizes(); + + //chunk offsets + ChunkOffsetBox stco; + if (stbl.hasChild(BoxTypes.CHUNK_OFFSET_BOX)) stco = (ChunkOffsetBox) stbl.getChild(BoxTypes.CHUNK_OFFSET_BOX); + else stco = (ChunkOffsetBox) stbl.getChild(BoxTypes.CHUNK_LARGE_OFFSET_BOX); + long[] chunkOffsets = stco.getChunks(); + + //samples to chunks + SampleToChunkBox stsc = ((SampleToChunkBox) stbl.getChild(BoxTypes.SAMPLE_TO_CHUNK_BOX)); + long[] firstChunks = stsc.getFirstChunks(); + long[] samplesPerChunk = stsc.getSamplesPerChunk(); + + //sample durations/timestamps + DecodingTimeToSampleBox stts = (DecodingTimeToSampleBox) stbl.getChild(BoxTypes.DECODING_TIME_TO_SAMPLE_BOX); + long[] sampleCounts = stts.getSampleCounts(); + long[] sampleDeltas = stts.getSampleDeltas(); + long[] timeOffsets = new long[sampleSizes.length]; + long tmp = 0; + int off = 0; + for (int i = 0; i < sampleCounts.length; i++) { + for (int j = 0; j < sampleCounts[i]; j++) { + timeOffsets[off + j] = tmp; + tmp += sampleDeltas[i]; + } + off += sampleCounts[i]; + } + + //create samples + int current = 0; + int lastChunk; + double timeStamp; + long offset = 0; + //iterate over all chunk groups + for (int i = 0; i < firstChunks.length; i++) { + if (i < firstChunks.length - 1) lastChunk = (int) firstChunks[i + 1] - 1; + else lastChunk = chunkOffsets.length; + + //iterate over all chunks in current group + for (int j = (int) firstChunks[i] - 1; j < lastChunk; j++) { + offset = chunkOffsets[j]; + + //iterate over all samples in current chunk + for (int k = 0; k < samplesPerChunk[i]; k++) { + //create samples + timeStamp = ((double) timeOffsets[current]) / timeScale; + frames.add(new Frame(type, offset, sampleSizes[current], timeStamp)); + offset += sampleSizes[current]; + current++; + } + } + } + + //frames need not to be time-ordered: sort by timestamp + //TODO: is it possible to add them to the specific position? + Collections.sort(frames); + } + + //TODO: implement other entry descriptors + protected void findDecoderSpecificInfo(ESDBox esds) { + Descriptor ed = esds.getEntryDescriptor(); + List children = ed.getChildren(); + List children2; + + for (Descriptor e : children) { + children2 = e.getChildren(); + for (Descriptor e2 : children2) { + switch (e2.getType()) { + case Descriptor.TYPE_DECODER_SPECIFIC_INFO: + decoderSpecificInfo = (DecoderSpecificInfo) e2; + break; + } + } + } + } + + protected void parseSampleEntry(Box sampleEntry, Class clazz) { + T type; + try { + type = clazz.newInstance(); + if (sampleEntry.getClass().isInstance(type)) { + System.out.println("true"); + } + } catch (InstantiationException | IllegalAccessException ex) { + ex.printStackTrace(); + } + } + + public abstract Type getType(); + + public abstract Codec getCodec(); + + //tkhd + + /** + * Returns true if the track is enabled. A disabled track is treated as if + * it were not present. + * + * @return true if the track is enabled + */ + public boolean isEnabled() { + return tkhd.isTrackEnabled(); + } + + /** + * Returns true if the track is used in the presentation. + * + * @return true if the track is used + */ + public boolean isUsed() { + return tkhd.isTrackInMovie(); + } + + /** + * Returns true if the track is used in previews. + * + * @return true if the track is used in previews + */ + public boolean isUsedForPreview() { + return tkhd.isTrackInPreview(); + } + + /** + * Returns the time this track was created. + * + * @return the creation time + */ + public Date getCreationTime() { + return Utils.getDate(tkhd.getCreationTime()); + } + + /** + * Returns the last time this track was modified. + * + * @return the modification time + */ + public Date getModificationTime() { + return Utils.getDate(tkhd.getModificationTime()); + } + + //mdhd + + /** + * Returns the language for this media. + * + * @return the language + */ + public Locale getLanguage() { + return new Locale(mdhd.getLanguage()); + } + + /** + * Returns true if the data for this track is present in this file (stream). + * If not, getLocation() returns the URL where the data can be + * found. + * + * @return true if the data is in this file (stream), false otherwise + */ + public boolean isInFile() { + return inFile; + } + + /** + * If the data for this track is not present in this file (if + * isInFile returns false), this method returns the data's + * location. Else null is returned. + * + * @return the data's location or null if the data is in this file + */ + public URL getLocation() { + return location; + } + + //info structures + + /** + * Returns the decoder specific info, if present. It contains configuration + * data for the decoder. If the decoder specific info is not present, the + * track contains a DecoderInfo. + * + * @return the decoder specific info + * @see #getDecoderInfo() + */ + public DecoderSpecificInfo getDecoderSpecificInfo() { + return decoderSpecificInfo; + } + + /** + * Returns the DecoderInfo, if present. It contains + * configuration information for the decoder. If the structure is not + * present, the track contains a decoder specific info. + * + * @return the codec specific structure + * @see #getDecoderSpecificInfo() + */ + public DecoderInfo getDecoderInfo() { + return decoderInfo; + } + + /** + * Returns the ProtectionInformation object that contains + * details about the DRM system used. If no protection is present this + * method returns null. + * + * @return a ProtectionInformation object or null if no + * protection is used + */ + public Protection getProtection() { + return protection; + } + + //reading + + /** + * Indicates if there are more frames to be read in this track. + * + * @return true if there is at least one more frame to read. + */ + public boolean hasMoreFrames() { + return currentFrame < frames.size(); + } + + /** + * Reads the next frame from this track. If it contains no more frames to + * read, null is returned. + * + * @return the next frame or null if there are no more frames to read + * @throws IOException if reading fails + */ + public Frame readNextFrame() throws IOException { + Frame frame = null; + if (hasMoreFrames()) { + frame = frames.get(currentFrame); + + long diff = frame.getOffset() - in.getOffset(); + if (diff > 0) in.skipBytes(diff); + else if (diff < 0) { + if (in.hasRandomAccess()) in.seek(frame.getOffset()); + else { + Logger.getLogger("MP4 API").log(Level.WARNING, "readNextFrame failed: frame {0} already skipped, offset:{1}, stream:{2}", new Object[] {currentFrame, frame.getOffset(), in.getOffset()}); + throw new IOException("frame already skipped and no random access"); + } + } + + byte[] b = new byte[(int) frame.getSize()]; + try { + in.readBytes(b); + } catch (EOFException e) { + Logger.getLogger("MP4 API").log(Level.WARNING, "readNextFrame failed: tried to read {0} bytes at {1}", new Long[] {frame.getSize(), in.getOffset()}); + throw e; + } + frame.setData(b); + currentFrame++; + } + return frame; + } + + /** + * This method tries to seek to the frame that is nearest to the given + * timestamp. It returns the timestamp of the frame it seeked to or -1 if + * none was found. + * + * @param timestamp a timestamp to seek to + * @return the frame's timestamp that the method seeked to + */ + public double seek(double timestamp) { + //find first frame > timestamp + Frame frame = null; + for (int i = 0; i < frames.size(); i++) { + frame = frames.get(i++); + if (frame.getTime() > timestamp) { + currentFrame = i; + break; + } + } + return (frame == null) ? -1 : frame.getTime(); + } + + /** + * Returns the timestamp of the next frame to be read. This is needed to + * read frames from a movie that contains multiple tracks. + * + * @return the next frame's timestamp + */ + double getNextTimeStamp() { + return frames.get(currentFrame).getTime(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/Type.java b/src/main/java/net/sourceforge/jaad/mp4/api/Type.java index 72286b05..febb5b6a 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/Type.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/Type.java @@ -2,11 +2,11 @@ /** * Represents the data type of a Frame or Track. - * + * * @author in-somnia */ public enum Type { - VIDEO, - AUDIO; + VIDEO, + AUDIO } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/Utils.java b/src/main/java/net/sourceforge/jaad/mp4/api/Utils.java index 0d0fb393..2c541627 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/Utils.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/Utils.java @@ -2,11 +2,12 @@ import java.util.Date; + class Utils { - private static final long DATE_OFFSET = 2082850791998l; + private static final long DATE_OFFSET = 2082850791998L; - static Date getDate(long time) { - return new Date(time*1000-DATE_OFFSET); - } + static Date getDate(long time) { + return new Date(time * 1000 - DATE_OFFSET); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/VideoTrack.java b/src/main/java/net/sourceforge/jaad/mp4/api/VideoTrack.java index 8acf31c2..2745ad5d 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/VideoTrack.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/VideoTrack.java @@ -1,104 +1,111 @@ package net.sourceforge.jaad.mp4.api; -import java.util.List; -import net.sourceforge.jaad.mp4.MP4InputStream; +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.Box; import net.sourceforge.jaad.mp4.boxes.BoxTypes; +import net.sourceforge.jaad.mp4.boxes.impl.ESDBox; import net.sourceforge.jaad.mp4.boxes.impl.SampleDescriptionBox; import net.sourceforge.jaad.mp4.boxes.impl.VideoMediaHeaderBox; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.VideoSampleEntry; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; -import net.sourceforge.jaad.mp4.boxes.impl.ESDBox; + public class VideoTrack extends Track { - public enum VideoCodec implements Codec { - - AVC, - H263, - MP4_ASP, - UNKNOWN_VIDEO_CODEC; - - static Codec forType(long type) { - final Codec ac; - if(type==BoxTypes.AVC_SAMPLE_ENTRY) ac = AVC; - else if(type==BoxTypes.H263_SAMPLE_ENTRY) ac = H263; - else if(type==BoxTypes.MP4V_SAMPLE_ENTRY) ac = MP4_ASP; - else ac = UNKNOWN_VIDEO_CODEC; - return ac; - } - } - private final VideoMediaHeaderBox vmhd; - private final VideoSampleEntry sampleEntry; - private final Codec codec; - - public VideoTrack(Box trak, MP4InputStream in) { - super(trak, in); - - final Box minf = trak.getChild(BoxTypes.MEDIA_BOX).getChild(BoxTypes.MEDIA_INFORMATION_BOX); - vmhd = (VideoMediaHeaderBox) minf.getChild(BoxTypes.VIDEO_MEDIA_HEADER_BOX); - - final Box stbl = minf.getChild(BoxTypes.SAMPLE_TABLE_BOX); - - //sample descriptions: 'mp4v' has an ESDBox, all others have a CodecSpecificBox - final SampleDescriptionBox stsd = (SampleDescriptionBox) stbl.getChild(BoxTypes.SAMPLE_DESCRIPTION_BOX); - if(stsd.getChildren().get(0) instanceof VideoSampleEntry) { - sampleEntry = (VideoSampleEntry) stsd.getChildren().get(0); - final long type = sampleEntry.getType(); - if(type==BoxTypes.MP4V_SAMPLE_ENTRY) findDecoderSpecificInfo((ESDBox) sampleEntry.getChild(BoxTypes.ESD_BOX)); - else if(type==BoxTypes.ENCRYPTED_VIDEO_SAMPLE_ENTRY||type==BoxTypes.DRMS_SAMPLE_ENTRY) { - findDecoderSpecificInfo((ESDBox) sampleEntry.getChild(BoxTypes.ESD_BOX)); - protection = Protection.parse(sampleEntry.getChild(BoxTypes.PROTECTION_SCHEME_INFORMATION_BOX)); - } - else decoderInfo = DecoderInfo.parse((CodecSpecificBox) sampleEntry.getChildren().get(0)); - - codec = VideoCodec.forType(sampleEntry.getType()); - } - else { - sampleEntry = null; - codec = VideoCodec.UNKNOWN_VIDEO_CODEC; - } - } - - @Override - public Type getType() { - return Type.VIDEO; - } - - @Override - public Codec getCodec() { - return codec; - } - - public int getWidth() { - return (sampleEntry!=null) ? sampleEntry.getWidth() : 0; - } - - public int getHeight() { - return (sampleEntry!=null) ? sampleEntry.getHeight() : 0; - } - - public double getHorizontalResolution() { - return (sampleEntry!=null) ? sampleEntry.getHorizontalResolution() : 0; - } - - public double getVerticalResolution() { - return (sampleEntry!=null) ? sampleEntry.getVerticalResolution() : 0; - } - - public int getFrameCount() { - return (sampleEntry!=null) ? sampleEntry.getFrameCount() : 0; - } - - public String getCompressorName() { - return (sampleEntry!=null) ? sampleEntry.getCompressorName() : ""; - } - - public int getDepth() { - return (sampleEntry!=null) ? sampleEntry.getDepth() : 0; - } - - public int getLayer() { - return tkhd.getLayer(); - } + public enum VideoCodec implements Codec { + + AVC, + H263, + MP4_ASP, + UNKNOWN_VIDEO_CODEC; + + static Codec forType(long type) { + Codec ac; + if (type == BoxTypes.AVC_SAMPLE_ENTRY) ac = AVC; + else if (type == BoxTypes.H263_SAMPLE_ENTRY) ac = H263; + else if (type == BoxTypes.MP4V_SAMPLE_ENTRY) ac = MP4_ASP; + else ac = UNKNOWN_VIDEO_CODEC; + return ac; + } + } + + private final VideoMediaHeaderBox vmhd; + private final VideoSampleEntry sampleEntry; + private final Codec codec; + + public VideoTrack(Box trak, MP4Input in) { + super(trak, in); + + Box minf = trak.getChild(BoxTypes.MEDIA_BOX).getChild(BoxTypes.MEDIA_INFORMATION_BOX); + vmhd = (VideoMediaHeaderBox) minf.getChild(BoxTypes.VIDEO_MEDIA_HEADER_BOX); + + Box stbl = minf.getChild(BoxTypes.SAMPLE_TABLE_BOX); + + // sample descriptions: 'mp4v' has an ESDBox, all others have a CodecSpecificBox + SampleDescriptionBox stsd = (SampleDescriptionBox) stbl.getChild(BoxTypes.SAMPLE_DESCRIPTION_BOX); + if (stsd.getChildren().get(0) instanceof VideoSampleEntry) { + sampleEntry = (VideoSampleEntry) stsd.getChildren().get(0); + long type = sampleEntry.getType(); + if (type == BoxTypes.MP4V_SAMPLE_ENTRY) + findDecoderSpecificInfo((ESDBox) sampleEntry.getChild(BoxTypes.ESD_BOX)); + else if (type == BoxTypes.ENCRYPTED_VIDEO_SAMPLE_ENTRY || type == BoxTypes.DRMS_SAMPLE_ENTRY) { + findDecoderSpecificInfo((ESDBox) sampleEntry.getChild(BoxTypes.ESD_BOX)); + protection = Protection.parse(sampleEntry.getChild(BoxTypes.PROTECTION_SCHEME_INFORMATION_BOX)); + } else { + for (int i = 0; i < sampleEntry.getChildren().size(); i++) { + if (sampleEntry.getChildren().get(i) instanceof CodecSpecificBox) { + decoderInfo = DecoderInfo.parse((CodecSpecificBox) sampleEntry.getChildren().get(i)); + break; + } + } + } + + codec = VideoCodec.forType(sampleEntry.getType()); + } else { + sampleEntry = null; + codec = VideoCodec.UNKNOWN_VIDEO_CODEC; + } + } + + @Override + public Type getType() { + return Type.VIDEO; + } + + @Override + public Codec getCodec() { + return codec; + } + + public int getWidth() { + return (sampleEntry != null) ? sampleEntry.getWidth() : 0; + } + + public int getHeight() { + return (sampleEntry != null) ? sampleEntry.getHeight() : 0; + } + + public double getHorizontalResolution() { + return (sampleEntry != null) ? sampleEntry.getHorizontalResolution() : 0; + } + + public double getVerticalResolution() { + return (sampleEntry != null) ? sampleEntry.getVerticalResolution() : 0; + } + + public int getFrameCount() { + return (sampleEntry != null) ? sampleEntry.getFrameCount() : 0; + } + + public String getCompressorName() { + return (sampleEntry != null) ? sampleEntry.getCompressorName() : ""; + } + + public int getDepth() { + return (sampleEntry != null) ? sampleEntry.getDepth() : 0; + } + + public int getLayer() { + return tkhd.getLayer(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/codec/AC3DecoderInfo.java b/src/main/java/net/sourceforge/jaad/mp4/api/codec/AC3DecoderInfo.java index 8a736178..c715dbf2 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/codec/AC3DecoderInfo.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/codec/AC3DecoderInfo.java @@ -4,35 +4,36 @@ import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.AC3SpecificBox; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; + public class AC3DecoderInfo extends DecoderInfo { - private AC3SpecificBox box; + private AC3SpecificBox box; - public AC3DecoderInfo(CodecSpecificBox box) { - this.box = (AC3SpecificBox) box; - } + public AC3DecoderInfo(CodecSpecificBox box) { + this.box = (AC3SpecificBox) box; + } - public boolean isLfeon() { - return box.isLfeon(); - } + public boolean isLfeon() { + return box.isLfeon(); + } - public int getFscod() { - return box.getFscod(); - } + public int getFscod() { + return box.getFscod(); + } - public int getBsmod() { - return box.getBsmod(); - } + public int getBsmod() { + return box.getBsmod(); + } - public int getBsid() { - return box.getBsid(); - } + public int getBsid() { + return box.getBsid(); + } - public int getBitRateCode() { - return box.getBitRateCode(); - } + public int getBitRateCode() { + return box.getBitRateCode(); + } - public int getAcmod() { - return box.getAcmod(); - } + public int getAcmod() { + return box.getAcmod(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/codec/AMRDecoderInfo.java b/src/main/java/net/sourceforge/jaad/mp4/api/codec/AMRDecoderInfo.java index cfdacf91..f472a805 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/codec/AMRDecoderInfo.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/codec/AMRDecoderInfo.java @@ -4,31 +4,32 @@ import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.AMRSpecificBox; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; + public class AMRDecoderInfo extends DecoderInfo { - private AMRSpecificBox box; + private AMRSpecificBox box; - public AMRDecoderInfo(CodecSpecificBox box) { - this.box = (AMRSpecificBox) box; - } + public AMRDecoderInfo(CodecSpecificBox box) { + this.box = (AMRSpecificBox) box; + } - public int getDecoderVersion() { - return box.getDecoderVersion(); - } + public int getDecoderVersion() { + return box.getDecoderVersion(); + } - public long getVendor() { - return box.getVendor(); - } + public long getVendor() { + return box.getVendor(); + } - public int getModeSet() { - return box.getModeSet(); - } + public int getModeSet() { + return box.getModeSet(); + } - public int getModeChangePeriod() { - return box.getModeChangePeriod(); - } + public int getModeChangePeriod() { + return box.getModeChangePeriod(); + } - public int getFramesPerSample() { - return box.getFramesPerSample(); - } + public int getFramesPerSample() { + return box.getFramesPerSample(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/codec/AVCDecoderInfo.java b/src/main/java/net/sourceforge/jaad/mp4/api/codec/AVCDecoderInfo.java index e9b41b5b..5151a4a9 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/codec/AVCDecoderInfo.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/codec/AVCDecoderInfo.java @@ -4,39 +4,40 @@ import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.AVCSpecificBox; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; + public class AVCDecoderInfo extends DecoderInfo { - private AVCSpecificBox box; + private AVCSpecificBox box; - public AVCDecoderInfo(CodecSpecificBox box) { - this.box = (AVCSpecificBox) box; - } + public AVCDecoderInfo(CodecSpecificBox box) { + this.box = (AVCSpecificBox) box; + } - public int getConfigurationVersion() { - return box.getConfigurationVersion(); - } + public int getConfigurationVersion() { + return box.getConfigurationVersion(); + } - public int getProfile() { - return box.getProfile(); - } + public int getProfile() { + return box.getProfile(); + } - public byte getProfileCompatibility() { - return box.getProfileCompatibility(); - } + public byte getProfileCompatibility() { + return box.getProfileCompatibility(); + } - public int getLevel() { - return box.getLevel(); - } + public int getLevel() { + return box.getLevel(); + } - public int getLengthSize() { - return box.getLengthSize(); - } + public int getLengthSize() { + return box.getLengthSize(); + } - public byte[][] getSequenceParameterSetNALUnits() { - return box.getSequenceParameterSetNALUnits(); - } + public byte[][] getSequenceParameterSetNALUnits() { + return box.getSequenceParameterSetNALUnits(); + } - public byte[][] getPictureParameterSetNALUnits() { - return box.getPictureParameterSetNALUnits(); - } + public byte[][] getPictureParameterSetNALUnits() { + return box.getPictureParameterSetNALUnits(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/codec/EAC3DecoderInfo.java b/src/main/java/net/sourceforge/jaad/mp4/api/codec/EAC3DecoderInfo.java index 87abc8a6..1afc6117 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/codec/EAC3DecoderInfo.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/codec/EAC3DecoderInfo.java @@ -2,82 +2,84 @@ import java.util.ArrayList; import java.util.List; + import net.sourceforge.jaad.mp4.api.DecoderInfo; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.EAC3SpecificBox; + public class EAC3DecoderInfo extends DecoderInfo { - private EAC3SpecificBox box; - private IndependentSubstream[] is; - - public EAC3DecoderInfo(CodecSpecificBox box) { - this.box = (EAC3SpecificBox) box; - is = new IndependentSubstream[this.box.getIndependentSubstreamCount()]; - for(int i = 0; i list = new ArrayList(); - for(int i = 0; i<9; i++) { - if(((loc>>(8-i))&1)==1) list.add(DependentSubstream.values()[i]); - } - dependentSubstreams = list.toArray(new DependentSubstream[list.size()]); - } - - public int getFscod() { - return box.getFscods()[index]; - } - - public int getBsid() { - return box.getBsids()[index]; - } - - public int getBsmod() { - return box.getBsmods()[index]; - } - - public int getAcmod() { - return box.getAcmods()[index]; - } - - public boolean isLfeon() { - return box.getLfeons()[index]; - } - - public DependentSubstream[] getDependentSubstreams() { - return dependentSubstreams; - } - } - - public enum DependentSubstream { - - LC_RC_PAIR, - LRS_RRS_PAIR, - CS, - TS, - LSD_RSD_PAIR, - LW_RW_PAIR, - LVH_RVH_PAIR, - CVH, - LFE2 - } + private EAC3SpecificBox box; + private IndependentSubstream[] is; + + public EAC3DecoderInfo(CodecSpecificBox box) { + this.box = (EAC3SpecificBox) box; + is = new IndependentSubstream[this.box.getIndependentSubstreamCount()]; + for (int i = 0; i < is.length; i++) { + is[i] = new IndependentSubstream(i); + } + } + + public int getDataRate() { + return box.getDataRate(); + } + + public IndependentSubstream[] getIndependentSubstreams() { + return is; + } + + public class IndependentSubstream { + + private final int index; + private final DependentSubstream[] dependentSubstreams; + + private IndependentSubstream(int index) { + this.index = index; + + int loc = box.getDependentSubstreamLocation()[index]; + List list = new ArrayList<>(); + for (int i = 0; i < 9; i++) { + if (((loc >> (8 - i)) & 1) == 1) list.add(DependentSubstream.values()[i]); + } + dependentSubstreams = list.toArray(new DependentSubstream[0]); + } + + public int getFscod() { + return box.getFscods()[index]; + } + + public int getBsid() { + return box.getBsids()[index]; + } + + public int getBsmod() { + return box.getBsmods()[index]; + } + + public int getAcmod() { + return box.getAcmods()[index]; + } + + public boolean isLfeon() { + return box.getLfeons()[index]; + } + + public DependentSubstream[] getDependentSubstreams() { + return dependentSubstreams; + } + } + + public enum DependentSubstream { + + LC_RC_PAIR, + LRS_RRS_PAIR, + CS, + TS, + LSD_RSD_PAIR, + LW_RW_PAIR, + LVH_RVH_PAIR, + CVH, + LFE2 + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/codec/EVRCDecoderInfo.java b/src/main/java/net/sourceforge/jaad/mp4/api/codec/EVRCDecoderInfo.java index 496b8ffa..b387da85 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/codec/EVRCDecoderInfo.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/codec/EVRCDecoderInfo.java @@ -4,23 +4,24 @@ import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.EVRCSpecificBox; + public class EVRCDecoderInfo extends DecoderInfo { - private EVRCSpecificBox box; + private EVRCSpecificBox box; - public EVRCDecoderInfo(CodecSpecificBox box) { - this.box = (EVRCSpecificBox) box; - } + public EVRCDecoderInfo(CodecSpecificBox box) { + this.box = (EVRCSpecificBox) box; + } - public int getDecoderVersion() { - return box.getDecoderVersion(); - } + public int getDecoderVersion() { + return box.getDecoderVersion(); + } - public long getVendor() { - return box.getVendor(); - } + public long getVendor() { + return box.getVendor(); + } - public int getFramesPerSample() { - return box.getFramesPerSample(); - } + public int getFramesPerSample() { + return box.getFramesPerSample(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/codec/H263DecoderInfo.java b/src/main/java/net/sourceforge/jaad/mp4/api/codec/H263DecoderInfo.java index 7f6c62db..470cc803 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/codec/H263DecoderInfo.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/codec/H263DecoderInfo.java @@ -4,27 +4,28 @@ import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.H263SpecificBox; + public class H263DecoderInfo extends DecoderInfo { - private H263SpecificBox box; + private H263SpecificBox box; - public H263DecoderInfo(CodecSpecificBox box) { - this.box = (H263SpecificBox) box; - } + public H263DecoderInfo(CodecSpecificBox box) { + this.box = (H263SpecificBox) box; + } - public int getDecoderVersion() { - return box.getDecoderVersion(); - } + public int getDecoderVersion() { + return box.getDecoderVersion(); + } - public long getVendor() { - return box.getVendor(); - } + public long getVendor() { + return box.getVendor(); + } - public int getLevel() { - return box.getLevel(); - } + public int getLevel() { + return box.getLevel(); + } - public int getProfile() { - return box.getProfile(); - } + public int getProfile() { + return box.getProfile(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/codec/QCELPDecoderInfo.java b/src/main/java/net/sourceforge/jaad/mp4/api/codec/QCELPDecoderInfo.java index 943aaa40..f12766db 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/codec/QCELPDecoderInfo.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/codec/QCELPDecoderInfo.java @@ -4,23 +4,24 @@ import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.QCELPSpecificBox; + public class QCELPDecoderInfo extends DecoderInfo { - private QCELPSpecificBox box; + private QCELPSpecificBox box; - public QCELPDecoderInfo(CodecSpecificBox box) { - this.box = (QCELPSpecificBox) box; - } + public QCELPDecoderInfo(CodecSpecificBox box) { + this.box = (QCELPSpecificBox) box; + } - public int getDecoderVersion() { - return box.getDecoderVersion(); - } + public int getDecoderVersion() { + return box.getDecoderVersion(); + } - public long getVendor() { - return box.getVendor(); - } + public long getVendor() { + return box.getVendor(); + } - public int getFramesPerSample() { - return box.getFramesPerSample(); - } + public int getFramesPerSample() { + return box.getFramesPerSample(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/codec/SMVDecoderInfo.java b/src/main/java/net/sourceforge/jaad/mp4/api/codec/SMVDecoderInfo.java index 9d4cc265..934214b6 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/codec/SMVDecoderInfo.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/codec/SMVDecoderInfo.java @@ -4,23 +4,24 @@ import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.CodecSpecificBox; import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.SMVSpecificBox; + public class SMVDecoderInfo extends DecoderInfo { - private SMVSpecificBox box; + private SMVSpecificBox box; - public SMVDecoderInfo(CodecSpecificBox box) { - this.box = (SMVSpecificBox) box; - } + public SMVDecoderInfo(CodecSpecificBox box) { + this.box = (SMVSpecificBox) box; + } - public int getDecoderVersion() { - return box.getDecoderVersion(); - } + public int getDecoderVersion() { + return box.getDecoderVersion(); + } - public long getVendor() { - return box.getVendor(); - } + public long getVendor() { + return box.getVendor(); + } - public int getFramesPerSample() { - return box.getFramesPerSample(); - } + public int getFramesPerSample() { + return box.getFramesPerSample(); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/api/drm/ITunesProtection.java b/src/main/java/net/sourceforge/jaad/mp4/api/drm/ITunesProtection.java index 8ad2094d..1de071f1 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/api/drm/ITunesProtection.java +++ b/src/main/java/net/sourceforge/jaad/mp4/api/drm/ITunesProtection.java @@ -5,52 +5,53 @@ import net.sourceforge.jaad.mp4.boxes.BoxTypes; import net.sourceforge.jaad.mp4.boxes.impl.drm.FairPlayDataBox; + public class ITunesProtection extends Protection { - private final String userID, userName, userKey; - private final byte[] privateKey, initializationVector; - - public ITunesProtection(Box sinf) { - super(sinf); - - final Box schi = sinf.getChild(BoxTypes.SCHEME_INFORMATION_BOX); - userID = new String(((FairPlayDataBox) schi.getChild(BoxTypes.FAIRPLAY_USER_ID_BOX)).getData()); - - //user name box is filled with 0 - final byte[] b = ((FairPlayDataBox) schi.getChild(BoxTypes.FAIRPLAY_USER_NAME_BOX)).getData(); - int i = 0; - while(b[i]!=0) { - i++; - } - userName = new String(b, 0, i-1); - - userKey = new String(((FairPlayDataBox) schi.getChild(BoxTypes.FAIRPLAY_USER_KEY_BOX)).getData()); - privateKey = ((FairPlayDataBox) schi.getChild(BoxTypes.FAIRPLAY_PRIVATE_KEY_BOX)).getData(); - initializationVector = ((FairPlayDataBox) schi.getChild(BoxTypes.FAIRPLAY_IV_BOX)).getData(); - } - - @Override - public Scheme getScheme() { - return Scheme.ITUNES_FAIR_PLAY; - } - - public String getUserID() { - return userID; - } - - public String getUserName() { - return userName; - } - - public String getUserKey() { - return userKey; - } - - public byte[] getPrivateKey() { - return privateKey; - } - - public byte[] getInitializationVector() { - return initializationVector; - } + private final String userID, userName, userKey; + private final byte[] privateKey, initializationVector; + + public ITunesProtection(Box sinf) { + super(sinf); + + Box schi = sinf.getChild(BoxTypes.SCHEME_INFORMATION_BOX); + userID = new String(((FairPlayDataBox) schi.getChild(BoxTypes.FAIRPLAY_USER_ID_BOX)).getData()); + + // user name box is filled with 0 + byte[] b = ((FairPlayDataBox) schi.getChild(BoxTypes.FAIRPLAY_USER_NAME_BOX)).getData(); + int i = 0; + while (b[i] != 0) { + i++; + } + userName = new String(b, 0, i - 1); + + userKey = new String(((FairPlayDataBox) schi.getChild(BoxTypes.FAIRPLAY_USER_KEY_BOX)).getData()); + privateKey = ((FairPlayDataBox) schi.getChild(BoxTypes.FAIRPLAY_PRIVATE_KEY_BOX)).getData(); + initializationVector = ((FairPlayDataBox) schi.getChild(BoxTypes.FAIRPLAY_IV_BOX)).getData(); + } + + @Override + public Scheme getScheme() { + return Scheme.ITUNES_FAIR_PLAY; + } + + public String getUserID() { + return userID; + } + + public String getUserName() { + return userName; + } + + public String getUserKey() { + return userKey; + } + + public byte[] getPrivateKey() { + return privateKey; + } + + public byte[] getInitializationVector() { + return initializationVector; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/Box.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/Box.java index 80ea61b2..eebe9538 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/Box.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/Box.java @@ -2,84 +2,85 @@ import java.util.List; + public interface Box { - Box getParent(); + Box getParent(); - /** - * Returns the size of this box including its header. - * - * @return this box's size - */ - long getSize(); + /** + * Returns the size of this box including its header. + * + * @return this box's size + */ + long getSize(); - /** - * Returns the type of this box as a 4CC converted to a long. - * - * @return this box's type - */ - long getType(); + /** + * Returns the type of this box as a 4CC converted to a long. + * + * @return this box's type + */ + long getType(); - /** - * Returns the offset of this box in the stream/file. This is needed as a - * seek point for random access. - * - * @return this box's offset - */ - long getOffset(); + /** + * Returns the offset of this box in the stream/file. This is needed as a + * seek point for random access. + * + * @return this box's offset + */ + long getOffset(); - /** - * Returns the name of this box as a human-readable string - * (e.g. "Track Header Box"). - * - * @return this box's name - */ - String getName(); + /** + * Returns the name of this box as a human-readable string + * (e.g. "Track Header Box"). + * + * @return this box's name + */ + String getName(); - /** - * Indicates if this box has children. - * - * @return true if this box contains at least one child - */ - boolean hasChildren(); + /** + * Indicates if this box has children. + * + * @return true if this box contains at least one child + */ + boolean hasChildren(); - /** - * Indicated if the box has a child with the given type. - * - * @param type the type of child box to look for - * @return true if this box contains at least one child with the given type - */ - boolean hasChild(long type); + /** + * Indicated if the box has a child with the given type. + * + * @param type the type of child box to look for + * @return true if this box contains at least one child with the given type + */ + boolean hasChild(long type); - /** - * Returns an ordered and unmodifiable list of all direct children of this - * box. The list does not contain the children's children. - * - * @return this box's children - */ - List getChildren(); + /** + * Returns an ordered and unmodifiable list of all direct children of this + * box. The list does not contain the children's children. + * + * @return this box's children + */ + List getChildren(); - /** - * Returns an ordered and unmodifiable list of all direct children of this - * box with the specified type. The list does not contain the children's - * children. If there is no child with the given type, the list will be - * empty. - * - * @param type the type of child boxes to look for - * @return this box's children with the given type - */ - List getChildren(long type); + /** + * Returns an ordered and unmodifiable list of all direct children of this + * box with the specified type. The list does not contain the children's + * children. If there is no child with the given type, the list will be + * empty. + * + * @param type the type of child boxes to look for + * @return this box's children with the given type + */ + List getChildren(long type); - /** - * Returns the child box with the specified type. If this box has no child - * with the given type, null is returned. To check if there is such a child - * hasChild(type) can be used. - * If more than one child exists with the same type, the first one will - * always be returned. A list of all children with that type can be received - * via getChildren(type). - * - * @param type the type of child box to look for - * @return the first child box with the given type, or null if none is found - */ - Box getChild(long type); + /** + * Returns the child box with the specified type. If this box has no child + * with the given type, null is returned. To check if there is such a child + * hasChild(type) can be used. + * If more than one child exists with the same type, the first one will + * always be returned. A list of all children with that type can be received + * via getChildren(type). + * + * @param type the type of child box to look for + * @return the first child box with the given type, or null if none is found + */ + Box getChild(long type); } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxFactory.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxFactory.java index 9d96e6c3..c74ffe31 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxFactory.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxFactory.java @@ -4,441 +4,475 @@ import java.lang.reflect.Constructor; import java.util.HashMap; import java.util.Map; -import java.util.logging.ConsoleHandler; -import java.util.logging.Handler; import java.util.logging.Level; import java.util.logging.Logger; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.MP4InputStream; import net.sourceforge.jaad.mp4.boxes.impl.*; -import net.sourceforge.jaad.mp4.boxes.impl.fd.*; -import net.sourceforge.jaad.mp4.boxes.impl.meta.*; -import net.sourceforge.jaad.mp4.boxes.impl.oma.*; -import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.*; -import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.*; -import net.sourceforge.jaad.mp4.boxes.impl.ESDBox; import net.sourceforge.jaad.mp4.boxes.impl.drm.FairPlayDataBox; +import net.sourceforge.jaad.mp4.boxes.impl.fd.FDItemInformationBox; +import net.sourceforge.jaad.mp4.boxes.impl.fd.FDSessionGroupBox; +import net.sourceforge.jaad.mp4.boxes.impl.fd.FECReservoirBox; +import net.sourceforge.jaad.mp4.boxes.impl.fd.FilePartitionBox; +import net.sourceforge.jaad.mp4.boxes.impl.fd.GroupIDToNameBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.EncoderBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.GenreBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.ID3TagBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.ITunesMetadataBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.ITunesMetadataMeanBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.ITunesMetadataNameBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.NeroMetadataTagsBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.RatingBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.RequirementBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.ThreeGPPAlbumBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.ThreeGPPKeywordsBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.ThreeGPPLocationBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.ThreeGPPMetadataBox; +import net.sourceforge.jaad.mp4.boxes.impl.meta.ThreeGPPRecordingYearBox; +import net.sourceforge.jaad.mp4.boxes.impl.oma.OMAAccessUnitFormatBox; +import net.sourceforge.jaad.mp4.boxes.impl.oma.OMACommonHeadersBox; +import net.sourceforge.jaad.mp4.boxes.impl.oma.OMAContentIDBox; +import net.sourceforge.jaad.mp4.boxes.impl.oma.OMAContentObjectBox; +import net.sourceforge.jaad.mp4.boxes.impl.oma.OMADiscreteMediaHeadersBox; +import net.sourceforge.jaad.mp4.boxes.impl.oma.OMARightsObjectBox; +import net.sourceforge.jaad.mp4.boxes.impl.oma.OMATransactionTrackingBox; +import net.sourceforge.jaad.mp4.boxes.impl.oma.OMAURLBox; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.AudioSampleEntry; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.FDHintSampleEntry; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.MPEGSampleEntry; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.RTPHintSampleEntry; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.TextMetadataSampleEntry; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.VideoSampleEntry; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.XMLMetadataSampleEntry; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.AC3SpecificBox; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.AMRSpecificBox; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.AVCSpecificBox; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.EAC3SpecificBox; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.EVRCSpecificBox; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.H263SpecificBox; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.QCELPSpecificBox; +import net.sourceforge.jaad.mp4.boxes.impl.sampleentries.codec.SMVSpecificBox; + public class BoxFactory implements BoxTypes { - private static final Logger LOGGER = Logger.getLogger("MP4 Boxes"); + private static final Logger LOGGER = Logger.getLogger("MP4 Boxes"); - static { - if (System.getProperty("java.util.logging.config.file", "").isEmpty()) { - for (Handler h : LOGGER.getHandlers()) { - LOGGER.removeHandler(h); - } - LOGGER.setLevel(Level.WARNING); + private static final Map> BOX_CLASSES = new HashMap<>(); + private static final Map[]> BOX_MULTIPLE_CLASSES = new HashMap<>(); + private static final Map PARAMETER = new HashMap<>(); - final ConsoleHandler h = new ConsoleHandler(); - h.setLevel(Level.ALL); - LOGGER.addHandler(h); - } - } - private static final Map> BOX_CLASSES = new HashMap>(); - private static final Map[]> BOX_MULTIPLE_CLASSES = new HashMap[]>(); - private static final Map PARAMETER = new HashMap(); + static { + //classes + BOX_CLASSES.put(ADDITIONAL_METADATA_CONTAINER_BOX, BoxImpl.class); + BOX_CLASSES.put(APPLE_LOSSLESS_BOX, AppleLosslessBox.class); + BOX_CLASSES.put(BINARY_XML_BOX, BinaryXMLBox.class); + BOX_CLASSES.put(BIT_RATE_BOX, BitRateBox.class); + BOX_CLASSES.put(CHAPTER_BOX, ChapterBox.class); + BOX_CLASSES.put(CHUNK_OFFSET_BOX, ChunkOffsetBox.class); + BOX_CLASSES.put(CHUNK_LARGE_OFFSET_BOX, ChunkOffsetBox.class); + BOX_CLASSES.put(CLEAN_APERTURE_BOX, CleanApertureBox.class); + BOX_CLASSES.put(COMPACT_SAMPLE_SIZE_BOX, SampleSizeBox.class); + BOX_CLASSES.put(COMPOSITION_TIME_TO_SAMPLE_BOX, CompositionTimeToSampleBox.class); + BOX_CLASSES.put(COPYRIGHT_BOX, CopyrightBox.class); + BOX_CLASSES.put(DATA_ENTRY_URN_BOX, DataEntryUrnBox.class); + BOX_CLASSES.put(DATA_ENTRY_URL_BOX, DataEntryUrlBox.class); + BOX_CLASSES.put(DATA_INFORMATION_BOX, BoxImpl.class); + BOX_CLASSES.put(DATA_REFERENCE_BOX, DataReferenceBox.class); + BOX_CLASSES.put(DECODING_TIME_TO_SAMPLE_BOX, DecodingTimeToSampleBox.class); + BOX_CLASSES.put(DEGRADATION_PRIORITY_BOX, DegradationPriorityBox.class); + BOX_CLASSES.put(EDIT_BOX, BoxImpl.class); + BOX_CLASSES.put(EDIT_LIST_BOX, EditListBox.class); + BOX_CLASSES.put(FD_ITEM_INFORMATION_BOX, FDItemInformationBox.class); + BOX_CLASSES.put(FD_SESSION_GROUP_BOX, FDSessionGroupBox.class); + BOX_CLASSES.put(FEC_RESERVOIR_BOX, FECReservoirBox.class); + BOX_CLASSES.put(FILE_PARTITION_BOX, FilePartitionBox.class); + BOX_CLASSES.put(FILE_TYPE_BOX, FileTypeBox.class); + BOX_CLASSES.put(FREE_SPACE_BOX, FreeSpaceBox.class); + BOX_CLASSES.put(GROUP_ID_TO_NAME_BOX, GroupIDToNameBox.class); + BOX_CLASSES.put(HANDLER_BOX, HandlerBox.class); + BOX_CLASSES.put(HINT_MEDIA_HEADER_BOX, HintMediaHeaderBox.class); + BOX_CLASSES.put(IPMP_CONTROL_BOX, IPMPControlBox.class); + BOX_CLASSES.put(IPMP_INFO_BOX, IPMPInfoBox.class); + BOX_CLASSES.put(ITEM_INFORMATION_BOX, ItemInformationBox.class); + BOX_CLASSES.put(ITEM_INFORMATION_ENTRY, ItemInformationEntry.class); + BOX_CLASSES.put(ITEM_LOCATION_BOX, ItemLocationBox.class); + BOX_CLASSES.put(ITEM_PROTECTION_BOX, ItemProtectionBox.class); + BOX_CLASSES.put(MEDIA_BOX, BoxImpl.class); + BOX_CLASSES.put(MEDIA_DATA_BOX, MediaDataBox.class); + BOX_CLASSES.put(MEDIA_HEADER_BOX, MediaHeaderBox.class); + BOX_CLASSES.put(MEDIA_INFORMATION_BOX, BoxImpl.class); + BOX_CLASSES.put(META_BOX, MetaBox.class); + BOX_CLASSES.put(META_BOX_RELATION_BOX, MetaBoxRelationBox.class); + BOX_CLASSES.put(MOVIE_BOX, BoxImpl.class); + BOX_CLASSES.put(MOVIE_EXTENDS_BOX, BoxImpl.class); + BOX_CLASSES.put(MOVIE_EXTENDS_HEADER_BOX, MovieExtendsHeaderBox.class); + BOX_CLASSES.put(MOVIE_FRAGMENT_BOX, BoxImpl.class); + BOX_CLASSES.put(MOVIE_FRAGMENT_HEADER_BOX, MovieFragmentHeaderBox.class); + BOX_CLASSES.put(MOVIE_FRAGMENT_RANDOM_ACCESS_BOX, BoxImpl.class); + BOX_CLASSES.put(MOVIE_FRAGMENT_RANDOM_ACCESS_OFFSET_BOX, MovieFragmentRandomAccessOffsetBox.class); + BOX_CLASSES.put(MOVIE_HEADER_BOX, MovieHeaderBox.class); + BOX_CLASSES.put(NERO_METADATA_TAGS_BOX, NeroMetadataTagsBox.class); + BOX_CLASSES.put(NULL_MEDIA_HEADER_BOX, FullBox.class); + BOX_CLASSES.put(ORIGINAL_FORMAT_BOX, OriginalFormatBox.class); + BOX_CLASSES.put(PADDING_BIT_BOX, PaddingBitBox.class); + BOX_CLASSES.put(PARTITION_ENTRY, BoxImpl.class); + BOX_CLASSES.put(PIXEL_ASPECT_RATIO_BOX, PixelAspectRatioBox.class); + BOX_CLASSES.put(PRIMARY_ITEM_BOX, PrimaryItemBox.class); + BOX_CLASSES.put(PROGRESSIVE_DOWNLOAD_INFORMATION_BOX, ProgressiveDownloadInformationBox.class); + BOX_CLASSES.put(PROTECTION_SCHEME_INFORMATION_BOX, BoxImpl.class); + BOX_CLASSES.put(SAMPLE_DEPENDENCY_TYPE_BOX, SampleDependencyTypeBox.class); + BOX_CLASSES.put(SAMPLE_DESCRIPTION_BOX, SampleDescriptionBox.class); + BOX_CLASSES.put(SAMPLE_GROUP_DESCRIPTION_BOX, SampleGroupDescriptionBox.class); + BOX_CLASSES.put(SAMPLE_SCALE_BOX, SampleScaleBox.class); + BOX_CLASSES.put(SAMPLE_SIZE_BOX, SampleSizeBox.class); + BOX_CLASSES.put(SAMPLE_TABLE_BOX, BoxImpl.class); + BOX_CLASSES.put(SAMPLE_TO_CHUNK_BOX, SampleToChunkBox.class); + BOX_CLASSES.put(SAMPLE_TO_GROUP_BOX, SampleToGroupBox.class); + BOX_CLASSES.put(SCHEME_TYPE_BOX, SchemeTypeBox.class); + BOX_CLASSES.put(SCHEME_INFORMATION_BOX, BoxImpl.class); + BOX_CLASSES.put(SHADOW_SYNC_SAMPLE_BOX, ShadowSyncSampleBox.class); + BOX_CLASSES.put(SKIP_BOX, FreeSpaceBox.class); + BOX_CLASSES.put(SOUND_MEDIA_HEADER_BOX, SoundMediaHeaderBox.class); + BOX_CLASSES.put(SUB_SAMPLE_INFORMATION_BOX, SubSampleInformationBox.class); + BOX_CLASSES.put(SYNC_SAMPLE_BOX, SyncSampleBox.class); + BOX_CLASSES.put(TRACK_BOX, BoxImpl.class); + BOX_CLASSES.put(TRACK_EXTENDS_BOX, TrackExtendsBox.class); + BOX_CLASSES.put(TRACK_FRAGMENT_BOX, BoxImpl.class); + BOX_CLASSES.put(TRACK_FRAGMENT_HEADER_BOX, TrackFragmentHeaderBox.class); + BOX_CLASSES.put(TRACK_FRAGMENT_RANDOM_ACCESS_BOX, TrackFragmentRandomAccessBox.class); + BOX_CLASSES.put(TRACK_FRAGMENT_RUN_BOX, TrackFragmentRunBox.class); + BOX_CLASSES.put(TRACK_HEADER_BOX, TrackHeaderBox.class); + BOX_CLASSES.put(TRACK_REFERENCE_BOX, TrackReferenceBox.class); + BOX_CLASSES.put(TRACK_SELECTION_BOX, TrackSelectionBox.class); + BOX_CLASSES.put(USER_DATA_BOX, BoxImpl.class); + BOX_CLASSES.put(VIDEO_MEDIA_HEADER_BOX, VideoMediaHeaderBox.class); + BOX_CLASSES.put(WIDE_BOX, FreeSpaceBox.class); + BOX_CLASSES.put(XML_BOX, XMLBox.class); + BOX_CLASSES.put(OBJECT_DESCRIPTOR_BOX, ObjectDescriptorBox.class); + BOX_CLASSES.put(SAMPLE_DEPENDENCY_BOX, SampleDependencyBox.class); + BOX_CLASSES.put(ID3_TAG_BOX, ID3TagBox.class); + BOX_CLASSES.put(ITUNES_META_LIST_BOX, BoxImpl.class); + BOX_CLASSES.put(CUSTOM_ITUNES_METADATA_BOX, BoxImpl.class); + BOX_CLASSES.put(ITUNES_METADATA_BOX, ITunesMetadataBox.class); + BOX_CLASSES.put(ITUNES_METADATA_NAME_BOX, ITunesMetadataNameBox.class); + BOX_CLASSES.put(ITUNES_METADATA_MEAN_BOX, ITunesMetadataMeanBox.class); + BOX_CLASSES.put(ALBUM_ARTIST_NAME_BOX, BoxImpl.class); + BOX_CLASSES.put(ALBUM_ARTIST_SORT_BOX, BoxImpl.class); + BOX_CLASSES.put(ALBUM_NAME_BOX, BoxImpl.class); + BOX_CLASSES.put(ALBUM_SORT_BOX, BoxImpl.class); + BOX_CLASSES.put(ARTIST_NAME_BOX, BoxImpl.class); + BOX_CLASSES.put(ARTIST_SORT_BOX, BoxImpl.class); + BOX_CLASSES.put(CATEGORY_BOX, BoxImpl.class); + BOX_CLASSES.put(COMMENTS_BOX, BoxImpl.class); + BOX_CLASSES.put(COMPILATION_PART_BOX, BoxImpl.class); + BOX_CLASSES.put(COMPOSER_NAME_BOX, BoxImpl.class); + BOX_CLASSES.put(COMPOSER_SORT_BOX, BoxImpl.class); + BOX_CLASSES.put(COVER_BOX, BoxImpl.class); + BOX_CLASSES.put(CUSTOM_GENRE_BOX, BoxImpl.class); + BOX_CLASSES.put(DESCRIPTION_BOX, BoxImpl.class); + BOX_CLASSES.put(DISK_NUMBER_BOX, BoxImpl.class); + BOX_CLASSES.put(ENCODER_NAME_BOX, EncoderBox.class); + BOX_CLASSES.put(ENCODER_TOOL_BOX, EncoderBox.class); + BOX_CLASSES.put(EPISODE_GLOBAL_UNIQUE_ID_BOX, BoxImpl.class); + BOX_CLASSES.put(GAPLESS_PLAYBACK_BOX, BoxImpl.class); + BOX_CLASSES.put(GENRE_BOX, GenreBox.class); + BOX_CLASSES.put(GROUPING_BOX, BoxImpl.class); + BOX_CLASSES.put(HD_VIDEO_BOX, BoxImpl.class); + BOX_CLASSES.put(ITUNES_PURCHASE_ACCOUNT_BOX, BoxImpl.class); + BOX_CLASSES.put(ITUNES_ACCOUNT_TYPE_BOX, BoxImpl.class); + BOX_CLASSES.put(ITUNES_CATALOGUE_ID_BOX, BoxImpl.class); + BOX_CLASSES.put(ITUNES_COUNTRY_CODE_BOX, BoxImpl.class); + BOX_CLASSES.put(KEYWORD_BOX, BoxImpl.class); + BOX_CLASSES.put(LONG_DESCRIPTION_BOX, BoxImpl.class); + BOX_CLASSES.put(LYRICS_BOX, BoxImpl.class); + BOX_CLASSES.put(META_TYPE_BOX, BoxImpl.class); + BOX_CLASSES.put(PODCAST_BOX, BoxImpl.class); + BOX_CLASSES.put(PODCAST_URL_BOX, BoxImpl.class); + BOX_CLASSES.put(PURCHASE_DATE_BOX, BoxImpl.class); + BOX_CLASSES.put(RATING_BOX, RatingBox.class); + BOX_CLASSES.put(RELEASE_DATE_BOX, BoxImpl.class); + BOX_CLASSES.put(REQUIREMENT_BOX, RequirementBox.class); + BOX_CLASSES.put(TEMPO_BOX, BoxImpl.class); + BOX_CLASSES.put(TRACK_NAME_BOX, BoxImpl.class); + BOX_CLASSES.put(TRACK_NUMBER_BOX, BoxImpl.class); + BOX_CLASSES.put(TRACK_SORT_BOX, BoxImpl.class); + BOX_CLASSES.put(TV_EPISODE_BOX, BoxImpl.class); + BOX_CLASSES.put(TV_EPISODE_NUMBER_BOX, BoxImpl.class); + BOX_CLASSES.put(TV_NETWORK_NAME_BOX, BoxImpl.class); + BOX_CLASSES.put(TV_SEASON_BOX, BoxImpl.class); + BOX_CLASSES.put(TV_SHOW_BOX, BoxImpl.class); + BOX_CLASSES.put(TV_SHOW_SORT_BOX, BoxImpl.class); + BOX_CLASSES.put(THREE_GPP_ALBUM_BOX, ThreeGPPAlbumBox.class); + BOX_CLASSES.put(THREE_GPP_AUTHOR_BOX, ThreeGPPMetadataBox.class); + BOX_CLASSES.put(THREE_GPP_CLASSIFICATION_BOX, ThreeGPPMetadataBox.class); + BOX_CLASSES.put(THREE_GPP_DESCRIPTION_BOX, ThreeGPPMetadataBox.class); + BOX_CLASSES.put(THREE_GPP_KEYWORDS_BOX, ThreeGPPKeywordsBox.class); + BOX_CLASSES.put(THREE_GPP_LOCATION_INFORMATION_BOX, ThreeGPPLocationBox.class); + BOX_CLASSES.put(THREE_GPP_PERFORMER_BOX, ThreeGPPMetadataBox.class); + BOX_CLASSES.put(THREE_GPP_RECORDING_YEAR_BOX, ThreeGPPRecordingYearBox.class); + BOX_CLASSES.put(THREE_GPP_TITLE_BOX, ThreeGPPMetadataBox.class); + BOX_CLASSES.put(GOOGLE_HOST_HEADER_BOX, BoxImpl.class); + BOX_CLASSES.put(GOOGLE_PING_MESSAGE_BOX, BoxImpl.class); + BOX_CLASSES.put(GOOGLE_PING_URL_BOX, BoxImpl.class); + BOX_CLASSES.put(GOOGLE_SOURCE_DATA_BOX, BoxImpl.class); + BOX_CLASSES.put(GOOGLE_START_TIME_BOX, BoxImpl.class); + BOX_CLASSES.put(GOOGLE_TRACK_DURATION_BOX, BoxImpl.class); + BOX_CLASSES.put(MP4V_SAMPLE_ENTRY, VideoSampleEntry.class); + BOX_CLASSES.put(H263_SAMPLE_ENTRY, VideoSampleEntry.class); + BOX_CLASSES.put(ENCRYPTED_VIDEO_SAMPLE_ENTRY, VideoSampleEntry.class); + BOX_CLASSES.put(AVC_SAMPLE_ENTRY, VideoSampleEntry.class); + BOX_CLASSES.put(MP4A_SAMPLE_ENTRY, AudioSampleEntry.class); + BOX_CLASSES.put(AC3_SAMPLE_ENTRY, AudioSampleEntry.class); + BOX_CLASSES.put(EAC3_SAMPLE_ENTRY, AudioSampleEntry.class); + BOX_CLASSES.put(DRMS_SAMPLE_ENTRY, AudioSampleEntry.class); + BOX_CLASSES.put(AMR_SAMPLE_ENTRY, AudioSampleEntry.class); + BOX_CLASSES.put(AMR_WB_SAMPLE_ENTRY, AudioSampleEntry.class); + BOX_CLASSES.put(EVRC_SAMPLE_ENTRY, AudioSampleEntry.class); + BOX_CLASSES.put(QCELP_SAMPLE_ENTRY, AudioSampleEntry.class); + BOX_CLASSES.put(SMV_SAMPLE_ENTRY, AudioSampleEntry.class); + BOX_CLASSES.put(ENCRYPTED_AUDIO_SAMPLE_ENTRY, AudioSampleEntry.class); + BOX_CLASSES.put(MPEG_SAMPLE_ENTRY, MPEGSampleEntry.class); + BOX_CLASSES.put(TEXT_METADATA_SAMPLE_ENTRY, TextMetadataSampleEntry.class); + BOX_CLASSES.put(XML_METADATA_SAMPLE_ENTRY, XMLMetadataSampleEntry.class); + BOX_CLASSES.put(RTP_HINT_SAMPLE_ENTRY, RTPHintSampleEntry.class); + BOX_CLASSES.put(FD_HINT_SAMPLE_ENTRY, FDHintSampleEntry.class); + BOX_CLASSES.put(ESD_BOX, ESDBox.class); + BOX_CLASSES.put(H263_SPECIFIC_BOX, H263SpecificBox.class); + BOX_CLASSES.put(AVC_SPECIFIC_BOX, AVCSpecificBox.class); + BOX_CLASSES.put(AC3_SPECIFIC_BOX, AC3SpecificBox.class); + BOX_CLASSES.put(EAC3_SPECIFIC_BOX, EAC3SpecificBox.class); + BOX_CLASSES.put(AMR_SPECIFIC_BOX, AMRSpecificBox.class); + BOX_CLASSES.put(EVRC_SPECIFIC_BOX, EVRCSpecificBox.class); + BOX_CLASSES.put(QCELP_SPECIFIC_BOX, QCELPSpecificBox.class); + BOX_CLASSES.put(SMV_SPECIFIC_BOX, SMVSpecificBox.class); + BOX_CLASSES.put(OMA_ACCESS_UNIT_FORMAT_BOX, OMAAccessUnitFormatBox.class); + BOX_CLASSES.put(OMA_COMMON_HEADERS_BOX, OMACommonHeadersBox.class); + BOX_CLASSES.put(OMA_CONTENT_ID_BOX, OMAContentIDBox.class); + BOX_CLASSES.put(OMA_CONTENT_OBJECT_BOX, OMAContentObjectBox.class); + BOX_CLASSES.put(OMA_COVER_URI_BOX, OMAURLBox.class); + BOX_CLASSES.put(OMA_DISCRETE_MEDIA_HEADERS_BOX, OMADiscreteMediaHeadersBox.class); + BOX_CLASSES.put(OMA_DRM_CONTAINER_BOX, FullBox.class); + BOX_CLASSES.put(OMA_ICON_URI_BOX, OMAURLBox.class); + BOX_CLASSES.put(OMA_INFO_URL_BOX, OMAURLBox.class); + BOX_CLASSES.put(OMA_LYRICS_URI_BOX, OMAURLBox.class); + BOX_CLASSES.put(OMA_MUTABLE_DRM_INFORMATION_BOX, BoxImpl.class); + BOX_CLASSES.put(OMA_KEY_MANAGEMENT_BOX, FullBox.class); + BOX_CLASSES.put(OMA_RIGHTS_OBJECT_BOX, OMARightsObjectBox.class); + BOX_CLASSES.put(OMA_TRANSACTION_TRACKING_BOX, OMATransactionTrackingBox.class); + BOX_CLASSES.put(FAIRPLAY_USER_ID_BOX, FairPlayDataBox.class); + BOX_CLASSES.put(FAIRPLAY_USER_NAME_BOX, FairPlayDataBox.class); + BOX_CLASSES.put(FAIRPLAY_USER_KEY_BOX, FairPlayDataBox.class); + BOX_CLASSES.put(FAIRPLAY_IV_BOX, FairPlayDataBox.class); + BOX_CLASSES.put(FAIRPLAY_PRIVATE_KEY_BOX, FairPlayDataBox.class); + //parameter + PARAMETER.put(ADDITIONAL_METADATA_CONTAINER_BOX, new String[] {"Additional Metadata Container Box"}); + PARAMETER.put(DATA_INFORMATION_BOX, new String[] {"Data Information Box"}); + PARAMETER.put(EDIT_BOX, new String[] {"Edit Box"}); + PARAMETER.put(MEDIA_BOX, new String[] {"Media Box"}); + PARAMETER.put(MEDIA_INFORMATION_BOX, new String[] {"Media Information Box"}); + PARAMETER.put(MOVIE_BOX, new String[] {"Movie Box"}); + PARAMETER.put(MOVIE_EXTENDS_BOX, new String[] {"Movie Extends Box"}); + PARAMETER.put(MOVIE_FRAGMENT_BOX, new String[] {"Movie Fragment Box"}); + PARAMETER.put(MOVIE_FRAGMENT_RANDOM_ACCESS_BOX, new String[] {"Movie Fragment Random Access Box"}); + PARAMETER.put(NULL_MEDIA_HEADER_BOX, new String[] {"Null Media Header Box"}); + PARAMETER.put(PARTITION_ENTRY, new String[] {"Partition Entry"}); + PARAMETER.put(PROTECTION_SCHEME_INFORMATION_BOX, new String[] {"Protection Scheme Information Box"}); + PARAMETER.put(SAMPLE_TABLE_BOX, new String[] {"Sample Table Box"}); + PARAMETER.put(SCHEME_INFORMATION_BOX, new String[] {"Scheme Information Box"}); + PARAMETER.put(TRACK_BOX, new String[] {"Track Box"}); + PARAMETER.put(TRACK_FRAGMENT_BOX, new String[] {"Track Fragment Box"}); + PARAMETER.put(USER_DATA_BOX, new String[] {"User Data Box"}); + PARAMETER.put(ITUNES_META_LIST_BOX, new String[] {"iTunes Meta List Box"}); + PARAMETER.put(CUSTOM_ITUNES_METADATA_BOX, new String[] {"Custom iTunes Metadata Box"}); + PARAMETER.put(ALBUM_ARTIST_NAME_BOX, new String[] {"Album Artist Name Box"}); + PARAMETER.put(ALBUM_ARTIST_SORT_BOX, new String[] {"Album Artist Sort Box"}); + PARAMETER.put(ALBUM_NAME_BOX, new String[] {"Album Name Box"}); + PARAMETER.put(ALBUM_SORT_BOX, new String[] {"Album Sort Box"}); + PARAMETER.put(ARTIST_NAME_BOX, new String[] {"Artist Name Box"}); + PARAMETER.put(ARTIST_SORT_BOX, new String[] {"Artist Sort Box"}); + PARAMETER.put(CATEGORY_BOX, new String[] {"Category Box"}); + PARAMETER.put(COMMENTS_BOX, new String[] {"Comments Box"}); + PARAMETER.put(COMPILATION_PART_BOX, new String[] {"Compilation Part Box"}); + PARAMETER.put(COMPOSER_NAME_BOX, new String[] {"Composer Name Box"}); + PARAMETER.put(COMPOSER_SORT_BOX, new String[] {"Composer Sort Box"}); + PARAMETER.put(COVER_BOX, new String[] {"Cover Box"}); + PARAMETER.put(CUSTOM_GENRE_BOX, new String[] {"Custom Genre Box"}); + PARAMETER.put(DESCRIPTION_BOX, new String[] {"Description Cover Box"}); + PARAMETER.put(DISK_NUMBER_BOX, new String[] {"Disk Number Box"}); + PARAMETER.put(EPISODE_GLOBAL_UNIQUE_ID_BOX, new String[] {"Episode Global Unique ID Box"}); + PARAMETER.put(GAPLESS_PLAYBACK_BOX, new String[] {"Gapless Playback Box"}); + PARAMETER.put(GROUPING_BOX, new String[] {"Grouping Box"}); + PARAMETER.put(HD_VIDEO_BOX, new String[] {"HD Video Box"}); + PARAMETER.put(ITUNES_PURCHASE_ACCOUNT_BOX, new String[] {"iTunes Purchase Account Box"}); + PARAMETER.put(ITUNES_ACCOUNT_TYPE_BOX, new String[] {"iTunes Account Type Box"}); + PARAMETER.put(ITUNES_CATALOGUE_ID_BOX, new String[] {"iTunes Catalogue ID Box"}); + PARAMETER.put(ITUNES_COUNTRY_CODE_BOX, new String[] {"iTunes Country Code Box"}); + PARAMETER.put(KEYWORD_BOX, new String[] {"Keyword Box"}); + PARAMETER.put(LONG_DESCRIPTION_BOX, new String[] {"Long Description Box"}); + PARAMETER.put(LYRICS_BOX, new String[] {"Lyrics Box"}); + PARAMETER.put(META_TYPE_BOX, new String[] {"Meta Type Box"}); + PARAMETER.put(PODCAST_BOX, new String[] {"Podcast Box"}); + PARAMETER.put(PODCAST_URL_BOX, new String[] {"Podcast URL Box"}); + PARAMETER.put(PURCHASE_DATE_BOX, new String[] {"Purchase Date Box"}); + PARAMETER.put(RELEASE_DATE_BOX, new String[] {"Release Date Box"}); + PARAMETER.put(TEMPO_BOX, new String[] {"Tempo Box"}); + PARAMETER.put(TRACK_NAME_BOX, new String[] {"Track Name Box"}); + PARAMETER.put(TRACK_NUMBER_BOX, new String[] {"Track Number Box"}); + PARAMETER.put(TRACK_SORT_BOX, new String[] {"Track Sort Box"}); + PARAMETER.put(TV_EPISODE_BOX, new String[] {"TV Episode Box"}); + PARAMETER.put(TV_EPISODE_NUMBER_BOX, new String[] {"TV Episode Number Box"}); + PARAMETER.put(TV_NETWORK_NAME_BOX, new String[] {"TV Network Name Box"}); + PARAMETER.put(TV_SEASON_BOX, new String[] {"TV Season Box"}); + PARAMETER.put(TV_SHOW_BOX, new String[] {"TV Show Box"}); + PARAMETER.put(TV_SHOW_SORT_BOX, new String[] {"TV Show Sort Box"}); + PARAMETER.put(THREE_GPP_AUTHOR_BOX, new String[] {"3GPP Author Box"}); + PARAMETER.put(THREE_GPP_CLASSIFICATION_BOX, new String[] {"3GPP Classification Box"}); + PARAMETER.put(THREE_GPP_DESCRIPTION_BOX, new String[] {"3GPP Description Box"}); + PARAMETER.put(THREE_GPP_PERFORMER_BOX, new String[] {"3GPP Performer Box"}); + PARAMETER.put(THREE_GPP_TITLE_BOX, new String[] {"3GPP Title Box"}); + PARAMETER.put(GOOGLE_HOST_HEADER_BOX, new String[] {"Google Host Header Box"}); + PARAMETER.put(GOOGLE_PING_MESSAGE_BOX, new String[] {"Google Ping Message Box"}); + PARAMETER.put(GOOGLE_PING_URL_BOX, new String[] {"Google Ping URL Box"}); + PARAMETER.put(GOOGLE_SOURCE_DATA_BOX, new String[] {"Google Source Data Box"}); + PARAMETER.put(GOOGLE_START_TIME_BOX, new String[] {"Google Start Time Box"}); + PARAMETER.put(GOOGLE_TRACK_DURATION_BOX, new String[] {"Google Track Duration Box"}); + PARAMETER.put(MP4V_SAMPLE_ENTRY, new String[] {"MPEG-4 Video Sample Entry"}); + PARAMETER.put(H263_SAMPLE_ENTRY, new String[] {"H263 Video Sample Entry"}); + PARAMETER.put(ENCRYPTED_VIDEO_SAMPLE_ENTRY, new String[] {"Encrypted Video Sample Entry"}); + PARAMETER.put(AVC_SAMPLE_ENTRY, new String[] {"AVC Video Sample Entry"}); + PARAMETER.put(MP4A_SAMPLE_ENTRY, new String[] {"MPEG- 4Audio Sample Entry"}); + PARAMETER.put(AC3_SAMPLE_ENTRY, new String[] {"AC-3 Audio Sample Entry"}); + PARAMETER.put(EAC3_SAMPLE_ENTRY, new String[] {"Extended AC-3 Audio Sample Entry"}); + PARAMETER.put(DRMS_SAMPLE_ENTRY, new String[] {"DRMS Audio Sample Entry"}); + PARAMETER.put(AMR_SAMPLE_ENTRY, new String[] {"AMR Audio Sample Entry"}); + PARAMETER.put(AMR_WB_SAMPLE_ENTRY, new String[] {"AMR-Wideband Audio Sample Entry"}); + PARAMETER.put(EVRC_SAMPLE_ENTRY, new String[] {"EVC Audio Sample Entry"}); + PARAMETER.put(QCELP_SAMPLE_ENTRY, new String[] {"QCELP Audio Sample Entry"}); + PARAMETER.put(SMV_SAMPLE_ENTRY, new String[] {"SMV Audio Sample Entry"}); + PARAMETER.put(ENCRYPTED_AUDIO_SAMPLE_ENTRY, new String[] {"Encrypted Audio Sample Entry"}); + PARAMETER.put(OMA_COVER_URI_BOX, new String[] {"OMA DRM Cover URI Box"}); + PARAMETER.put(OMA_DRM_CONTAINER_BOX, new String[] {"OMA DRM Container Box"}); + PARAMETER.put(OMA_ICON_URI_BOX, new String[] {"OMA DRM Icon URI Box"}); + PARAMETER.put(OMA_INFO_URL_BOX, new String[] {"OMA DRM Info URL Box"}); + PARAMETER.put(OMA_LYRICS_URI_BOX, new String[] {"OMA DRM Lyrics URI Box"}); + PARAMETER.put(OMA_MUTABLE_DRM_INFORMATION_BOX, new String[] {"OMA DRM Mutable DRM Information Box"}); + } + + public static Box parseBox(Box parent, MP4Input in) throws IOException { + + long offset = in.getOffset(); + long size = in.readBytes(4); + long type = in.readBytes(4); + + return parseBox(parent, offset, size, type, in); + } - static { - //classes - BOX_CLASSES.put(ADDITIONAL_METADATA_CONTAINER_BOX, BoxImpl.class); - BOX_CLASSES.put(APPLE_LOSSLESS_BOX, AppleLosslessBox.class); - BOX_CLASSES.put(BINARY_XML_BOX, BinaryXMLBox.class); - BOX_CLASSES.put(BIT_RATE_BOX, BitRateBox.class); - BOX_CLASSES.put(CHAPTER_BOX, ChapterBox.class); - BOX_CLASSES.put(CHUNK_OFFSET_BOX, ChunkOffsetBox.class); - BOX_CLASSES.put(CHUNK_LARGE_OFFSET_BOX, ChunkOffsetBox.class); - BOX_CLASSES.put(CLEAN_APERTURE_BOX, CleanApertureBox.class); - BOX_CLASSES.put(COMPACT_SAMPLE_SIZE_BOX, SampleSizeBox.class); - BOX_CLASSES.put(COMPOSITION_TIME_TO_SAMPLE_BOX, CompositionTimeToSampleBox.class); - BOX_CLASSES.put(COPYRIGHT_BOX, CopyrightBox.class); - BOX_CLASSES.put(DATA_ENTRY_URN_BOX, DataEntryUrnBox.class); - BOX_CLASSES.put(DATA_ENTRY_URL_BOX, DataEntryUrlBox.class); - BOX_CLASSES.put(DATA_INFORMATION_BOX, BoxImpl.class); - BOX_CLASSES.put(DATA_REFERENCE_BOX, DataReferenceBox.class); - BOX_CLASSES.put(DECODING_TIME_TO_SAMPLE_BOX, DecodingTimeToSampleBox.class); - BOX_CLASSES.put(DEGRADATION_PRIORITY_BOX, DegradationPriorityBox.class); - BOX_CLASSES.put(EDIT_BOX, BoxImpl.class); - BOX_CLASSES.put(EDIT_LIST_BOX, EditListBox.class); - BOX_CLASSES.put(FD_ITEM_INFORMATION_BOX, FDItemInformationBox.class); - BOX_CLASSES.put(FD_SESSION_GROUP_BOX, FDSessionGroupBox.class); - BOX_CLASSES.put(FEC_RESERVOIR_BOX, FECReservoirBox.class); - BOX_CLASSES.put(FILE_PARTITION_BOX, FilePartitionBox.class); - BOX_CLASSES.put(FILE_TYPE_BOX, FileTypeBox.class); - BOX_CLASSES.put(FREE_SPACE_BOX, FreeSpaceBox.class); - BOX_CLASSES.put(GROUP_ID_TO_NAME_BOX, GroupIDToNameBox.class); - BOX_CLASSES.put(HANDLER_BOX, HandlerBox.class); - BOX_CLASSES.put(HINT_MEDIA_HEADER_BOX, HintMediaHeaderBox.class); - BOX_CLASSES.put(IPMP_CONTROL_BOX, IPMPControlBox.class); - BOX_CLASSES.put(IPMP_INFO_BOX, IPMPInfoBox.class); - BOX_CLASSES.put(ITEM_INFORMATION_BOX, ItemInformationBox.class); - BOX_CLASSES.put(ITEM_INFORMATION_ENTRY, ItemInformationEntry.class); - BOX_CLASSES.put(ITEM_LOCATION_BOX, ItemLocationBox.class); - BOX_CLASSES.put(ITEM_PROTECTION_BOX, ItemProtectionBox.class); - BOX_CLASSES.put(MEDIA_BOX, BoxImpl.class); - BOX_CLASSES.put(MEDIA_DATA_BOX, MediaDataBox.class); - BOX_CLASSES.put(MEDIA_HEADER_BOX, MediaHeaderBox.class); - BOX_CLASSES.put(MEDIA_INFORMATION_BOX, BoxImpl.class); - BOX_CLASSES.put(META_BOX, MetaBox.class); - BOX_CLASSES.put(META_BOX_RELATION_BOX, MetaBoxRelationBox.class); - BOX_CLASSES.put(MOVIE_BOX, BoxImpl.class); - BOX_CLASSES.put(MOVIE_EXTENDS_BOX, BoxImpl.class); - BOX_CLASSES.put(MOVIE_EXTENDS_HEADER_BOX, MovieExtendsHeaderBox.class); - BOX_CLASSES.put(MOVIE_FRAGMENT_BOX, BoxImpl.class); - BOX_CLASSES.put(MOVIE_FRAGMENT_HEADER_BOX, MovieFragmentHeaderBox.class); - BOX_CLASSES.put(MOVIE_FRAGMENT_RANDOM_ACCESS_BOX, BoxImpl.class); - BOX_CLASSES.put(MOVIE_FRAGMENT_RANDOM_ACCESS_OFFSET_BOX, MovieFragmentRandomAccessOffsetBox.class); - BOX_CLASSES.put(MOVIE_HEADER_BOX, MovieHeaderBox.class); - BOX_CLASSES.put(NERO_METADATA_TAGS_BOX, NeroMetadataTagsBox.class); - BOX_CLASSES.put(NULL_MEDIA_HEADER_BOX, FullBox.class); - BOX_CLASSES.put(ORIGINAL_FORMAT_BOX, OriginalFormatBox.class); - BOX_CLASSES.put(PADDING_BIT_BOX, PaddingBitBox.class); - BOX_CLASSES.put(PARTITION_ENTRY, BoxImpl.class); - BOX_CLASSES.put(PIXEL_ASPECT_RATIO_BOX, PixelAspectRatioBox.class); - BOX_CLASSES.put(PRIMARY_ITEM_BOX, PrimaryItemBox.class); - BOX_CLASSES.put(PROGRESSIVE_DOWNLOAD_INFORMATION_BOX, ProgressiveDownloadInformationBox.class); - BOX_CLASSES.put(PROTECTION_SCHEME_INFORMATION_BOX, BoxImpl.class); - BOX_CLASSES.put(SAMPLE_DEPENDENCY_TYPE_BOX, SampleDependencyTypeBox.class); - BOX_CLASSES.put(SAMPLE_DESCRIPTION_BOX, SampleDescriptionBox.class); - BOX_CLASSES.put(SAMPLE_GROUP_DESCRIPTION_BOX, SampleGroupDescriptionBox.class); - BOX_CLASSES.put(SAMPLE_SCALE_BOX, SampleScaleBox.class); - BOX_CLASSES.put(SAMPLE_SIZE_BOX, SampleSizeBox.class); - BOX_CLASSES.put(SAMPLE_TABLE_BOX, BoxImpl.class); - BOX_CLASSES.put(SAMPLE_TO_CHUNK_BOX, SampleToChunkBox.class); - BOX_CLASSES.put(SAMPLE_TO_GROUP_BOX, SampleToGroupBox.class); - BOX_CLASSES.put(SCHEME_TYPE_BOX, SchemeTypeBox.class); - BOX_CLASSES.put(SCHEME_INFORMATION_BOX, BoxImpl.class); - BOX_CLASSES.put(SHADOW_SYNC_SAMPLE_BOX, ShadowSyncSampleBox.class); - BOX_CLASSES.put(SKIP_BOX, FreeSpaceBox.class); - BOX_CLASSES.put(SOUND_MEDIA_HEADER_BOX, SoundMediaHeaderBox.class); - BOX_CLASSES.put(SUB_SAMPLE_INFORMATION_BOX, SubSampleInformationBox.class); - BOX_CLASSES.put(SYNC_SAMPLE_BOX, SyncSampleBox.class); - BOX_CLASSES.put(TRACK_BOX, BoxImpl.class); - BOX_CLASSES.put(TRACK_EXTENDS_BOX, TrackExtendsBox.class); - BOX_CLASSES.put(TRACK_FRAGMENT_BOX, BoxImpl.class); - BOX_CLASSES.put(TRACK_FRAGMENT_HEADER_BOX, TrackFragmentHeaderBox.class); - BOX_CLASSES.put(TRACK_FRAGMENT_RANDOM_ACCESS_BOX, TrackFragmentRandomAccessBox.class); - BOX_CLASSES.put(TRACK_FRAGMENT_RUN_BOX, TrackFragmentRunBox.class); - BOX_CLASSES.put(TRACK_HEADER_BOX, TrackHeaderBox.class); - BOX_CLASSES.put(TRACK_REFERENCE_BOX, TrackReferenceBox.class); - BOX_CLASSES.put(TRACK_SELECTION_BOX, TrackSelectionBox.class); - BOX_CLASSES.put(USER_DATA_BOX, BoxImpl.class); - BOX_CLASSES.put(VIDEO_MEDIA_HEADER_BOX, VideoMediaHeaderBox.class); - BOX_CLASSES.put(WIDE_BOX, FreeSpaceBox.class); - BOX_CLASSES.put(XML_BOX, XMLBox.class); - BOX_CLASSES.put(OBJECT_DESCRIPTOR_BOX, ObjectDescriptorBox.class); - BOX_CLASSES.put(SAMPLE_DEPENDENCY_BOX, SampleDependencyBox.class); - BOX_CLASSES.put(ID3_TAG_BOX, ID3TagBox.class); - BOX_CLASSES.put(ITUNES_META_LIST_BOX, BoxImpl.class); - BOX_CLASSES.put(CUSTOM_ITUNES_METADATA_BOX, BoxImpl.class); - BOX_CLASSES.put(ITUNES_METADATA_BOX, ITunesMetadataBox.class); - BOX_CLASSES.put(ITUNES_METADATA_NAME_BOX, ITunesMetadataNameBox.class); - BOX_CLASSES.put(ITUNES_METADATA_MEAN_BOX, ITunesMetadataMeanBox.class); - BOX_CLASSES.put(ALBUM_ARTIST_NAME_BOX, BoxImpl.class); - BOX_CLASSES.put(ALBUM_ARTIST_SORT_BOX, BoxImpl.class); - BOX_CLASSES.put(ALBUM_NAME_BOX, BoxImpl.class); - BOX_CLASSES.put(ALBUM_SORT_BOX, BoxImpl.class); - BOX_CLASSES.put(ARTIST_NAME_BOX, BoxImpl.class); - BOX_CLASSES.put(ARTIST_SORT_BOX, BoxImpl.class); - BOX_CLASSES.put(CATEGORY_BOX, BoxImpl.class); - BOX_CLASSES.put(COMMENTS_BOX, BoxImpl.class); - BOX_CLASSES.put(COMPILATION_PART_BOX, BoxImpl.class); - BOX_CLASSES.put(COMPOSER_NAME_BOX, BoxImpl.class); - BOX_CLASSES.put(COMPOSER_SORT_BOX, BoxImpl.class); - BOX_CLASSES.put(COVER_BOX, BoxImpl.class); - BOX_CLASSES.put(CUSTOM_GENRE_BOX, BoxImpl.class); - BOX_CLASSES.put(DESCRIPTION_BOX, BoxImpl.class); - BOX_CLASSES.put(DISK_NUMBER_BOX, BoxImpl.class); - BOX_CLASSES.put(ENCODER_NAME_BOX, EncoderBox.class); - BOX_CLASSES.put(ENCODER_TOOL_BOX, EncoderBox.class); - BOX_CLASSES.put(EPISODE_GLOBAL_UNIQUE_ID_BOX, BoxImpl.class); - BOX_CLASSES.put(GAPLESS_PLAYBACK_BOX, BoxImpl.class); - BOX_CLASSES.put(GENRE_BOX, GenreBox.class); - BOX_CLASSES.put(GROUPING_BOX, BoxImpl.class); - BOX_CLASSES.put(HD_VIDEO_BOX, BoxImpl.class); - BOX_CLASSES.put(ITUNES_PURCHASE_ACCOUNT_BOX, BoxImpl.class); - BOX_CLASSES.put(ITUNES_ACCOUNT_TYPE_BOX, BoxImpl.class); - BOX_CLASSES.put(ITUNES_CATALOGUE_ID_BOX, BoxImpl.class); - BOX_CLASSES.put(ITUNES_COUNTRY_CODE_BOX, BoxImpl.class); - BOX_CLASSES.put(KEYWORD_BOX, BoxImpl.class); - BOX_CLASSES.put(LONG_DESCRIPTION_BOX, BoxImpl.class); - BOX_CLASSES.put(LYRICS_BOX, BoxImpl.class); - BOX_CLASSES.put(META_TYPE_BOX, BoxImpl.class); - BOX_CLASSES.put(PODCAST_BOX, BoxImpl.class); - BOX_CLASSES.put(PODCAST_URL_BOX, BoxImpl.class); - BOX_CLASSES.put(PURCHASE_DATE_BOX, BoxImpl.class); - BOX_CLASSES.put(RATING_BOX, RatingBox.class); - BOX_CLASSES.put(RELEASE_DATE_BOX, BoxImpl.class); - BOX_CLASSES.put(REQUIREMENT_BOX, RequirementBox.class); - BOX_CLASSES.put(TEMPO_BOX, BoxImpl.class); - BOX_CLASSES.put(TRACK_NAME_BOX, BoxImpl.class); - BOX_CLASSES.put(TRACK_NUMBER_BOX, BoxImpl.class); - BOX_CLASSES.put(TRACK_SORT_BOX, BoxImpl.class); - BOX_CLASSES.put(TV_EPISODE_BOX, BoxImpl.class); - BOX_CLASSES.put(TV_EPISODE_NUMBER_BOX, BoxImpl.class); - BOX_CLASSES.put(TV_NETWORK_NAME_BOX, BoxImpl.class); - BOX_CLASSES.put(TV_SEASON_BOX, BoxImpl.class); - BOX_CLASSES.put(TV_SHOW_BOX, BoxImpl.class); - BOX_CLASSES.put(TV_SHOW_SORT_BOX, BoxImpl.class); - BOX_CLASSES.put(THREE_GPP_ALBUM_BOX, ThreeGPPAlbumBox.class); - BOX_CLASSES.put(THREE_GPP_AUTHOR_BOX, ThreeGPPMetadataBox.class); - BOX_CLASSES.put(THREE_GPP_CLASSIFICATION_BOX, ThreeGPPMetadataBox.class); - BOX_CLASSES.put(THREE_GPP_DESCRIPTION_BOX, ThreeGPPMetadataBox.class); - BOX_CLASSES.put(THREE_GPP_KEYWORDS_BOX, ThreeGPPKeywordsBox.class); - BOX_CLASSES.put(THREE_GPP_LOCATION_INFORMATION_BOX, ThreeGPPLocationBox.class); - BOX_CLASSES.put(THREE_GPP_PERFORMER_BOX, ThreeGPPMetadataBox.class); - BOX_CLASSES.put(THREE_GPP_RECORDING_YEAR_BOX, ThreeGPPRecordingYearBox.class); - BOX_CLASSES.put(THREE_GPP_TITLE_BOX, ThreeGPPMetadataBox.class); - BOX_CLASSES.put(GOOGLE_HOST_HEADER_BOX, BoxImpl.class); - BOX_CLASSES.put(GOOGLE_PING_MESSAGE_BOX, BoxImpl.class); - BOX_CLASSES.put(GOOGLE_PING_URL_BOX, BoxImpl.class); - BOX_CLASSES.put(GOOGLE_SOURCE_DATA_BOX, BoxImpl.class); - BOX_CLASSES.put(GOOGLE_START_TIME_BOX, BoxImpl.class); - BOX_CLASSES.put(GOOGLE_TRACK_DURATION_BOX, BoxImpl.class); - BOX_CLASSES.put(MP4V_SAMPLE_ENTRY, VideoSampleEntry.class); - BOX_CLASSES.put(H263_SAMPLE_ENTRY, VideoSampleEntry.class); - BOX_CLASSES.put(ENCRYPTED_VIDEO_SAMPLE_ENTRY, VideoSampleEntry.class); - BOX_CLASSES.put(AVC_SAMPLE_ENTRY, VideoSampleEntry.class); - BOX_CLASSES.put(MP4A_SAMPLE_ENTRY, AudioSampleEntry.class); - BOX_CLASSES.put(AC3_SAMPLE_ENTRY, AudioSampleEntry.class); - BOX_CLASSES.put(EAC3_SAMPLE_ENTRY, AudioSampleEntry.class); - BOX_CLASSES.put(DRMS_SAMPLE_ENTRY, AudioSampleEntry.class); - BOX_CLASSES.put(AMR_SAMPLE_ENTRY, AudioSampleEntry.class); - BOX_CLASSES.put(AMR_WB_SAMPLE_ENTRY, AudioSampleEntry.class); - BOX_CLASSES.put(EVRC_SAMPLE_ENTRY, AudioSampleEntry.class); - BOX_CLASSES.put(QCELP_SAMPLE_ENTRY, AudioSampleEntry.class); - BOX_CLASSES.put(SMV_SAMPLE_ENTRY, AudioSampleEntry.class); - BOX_CLASSES.put(ENCRYPTED_AUDIO_SAMPLE_ENTRY, AudioSampleEntry.class); - BOX_CLASSES.put(MPEG_SAMPLE_ENTRY, MPEGSampleEntry.class); - BOX_CLASSES.put(TEXT_METADATA_SAMPLE_ENTRY, TextMetadataSampleEntry.class); - BOX_CLASSES.put(XML_METADATA_SAMPLE_ENTRY, XMLMetadataSampleEntry.class); - BOX_CLASSES.put(RTP_HINT_SAMPLE_ENTRY, RTPHintSampleEntry.class); - BOX_CLASSES.put(FD_HINT_SAMPLE_ENTRY, FDHintSampleEntry.class); - BOX_CLASSES.put(ESD_BOX, ESDBox.class); - BOX_CLASSES.put(H263_SPECIFIC_BOX, H263SpecificBox.class); - BOX_CLASSES.put(AVC_SPECIFIC_BOX, AVCSpecificBox.class); - BOX_CLASSES.put(AC3_SPECIFIC_BOX, AC3SpecificBox.class); - BOX_CLASSES.put(EAC3_SPECIFIC_BOX, EAC3SpecificBox.class); - BOX_CLASSES.put(AMR_SPECIFIC_BOX, AMRSpecificBox.class); - BOX_CLASSES.put(EVRC_SPECIFIC_BOX, EVRCSpecificBox.class); - BOX_CLASSES.put(QCELP_SPECIFIC_BOX, QCELPSpecificBox.class); - BOX_CLASSES.put(SMV_SPECIFIC_BOX, SMVSpecificBox.class); - BOX_CLASSES.put(OMA_ACCESS_UNIT_FORMAT_BOX, OMAAccessUnitFormatBox.class); - BOX_CLASSES.put(OMA_COMMON_HEADERS_BOX, OMACommonHeadersBox.class); - BOX_CLASSES.put(OMA_CONTENT_ID_BOX, OMAContentIDBox.class); - BOX_CLASSES.put(OMA_CONTENT_OBJECT_BOX, OMAContentObjectBox.class); - BOX_CLASSES.put(OMA_COVER_URI_BOX, OMAURLBox.class); - BOX_CLASSES.put(OMA_DISCRETE_MEDIA_HEADERS_BOX, OMADiscreteMediaHeadersBox.class); - BOX_CLASSES.put(OMA_DRM_CONTAINER_BOX, FullBox.class); - BOX_CLASSES.put(OMA_ICON_URI_BOX, OMAURLBox.class); - BOX_CLASSES.put(OMA_INFO_URL_BOX, OMAURLBox.class); - BOX_CLASSES.put(OMA_LYRICS_URI_BOX, OMAURLBox.class); - BOX_CLASSES.put(OMA_MUTABLE_DRM_INFORMATION_BOX, BoxImpl.class); - BOX_CLASSES.put(OMA_KEY_MANAGEMENT_BOX, FullBox.class); - BOX_CLASSES.put(OMA_RIGHTS_OBJECT_BOX, OMARightsObjectBox.class); - BOX_CLASSES.put(OMA_TRANSACTION_TRACKING_BOX, OMATransactionTrackingBox.class); - BOX_CLASSES.put(FAIRPLAY_USER_ID_BOX, FairPlayDataBox.class); - BOX_CLASSES.put(FAIRPLAY_USER_NAME_BOX, FairPlayDataBox.class); - BOX_CLASSES.put(FAIRPLAY_USER_KEY_BOX, FairPlayDataBox.class); - BOX_CLASSES.put(FAIRPLAY_IV_BOX, FairPlayDataBox.class); - BOX_CLASSES.put(FAIRPLAY_PRIVATE_KEY_BOX, FairPlayDataBox.class); - //parameter - PARAMETER.put(ADDITIONAL_METADATA_CONTAINER_BOX, new String[]{"Additional Metadata Container Box"}); - PARAMETER.put(DATA_INFORMATION_BOX, new String[]{"Data Information Box"}); - PARAMETER.put(EDIT_BOX, new String[]{"Edit Box"}); - PARAMETER.put(MEDIA_BOX, new String[]{"Media Box"}); - PARAMETER.put(MEDIA_INFORMATION_BOX, new String[]{"Media Information Box"}); - PARAMETER.put(MOVIE_BOX, new String[]{"Movie Box"}); - PARAMETER.put(MOVIE_EXTENDS_BOX, new String[]{"Movie Extends Box"}); - PARAMETER.put(MOVIE_FRAGMENT_BOX, new String[]{"Movie Fragment Box"}); - PARAMETER.put(MOVIE_FRAGMENT_RANDOM_ACCESS_BOX, new String[]{"Movie Fragment Random Access Box"}); - PARAMETER.put(NULL_MEDIA_HEADER_BOX, new String[]{"Null Media Header Box"}); - PARAMETER.put(PARTITION_ENTRY, new String[]{"Partition Entry"}); - PARAMETER.put(PROTECTION_SCHEME_INFORMATION_BOX, new String[]{"Protection Scheme Information Box"}); - PARAMETER.put(SAMPLE_TABLE_BOX, new String[]{"Sample Table Box"}); - PARAMETER.put(SCHEME_INFORMATION_BOX, new String[]{"Scheme Information Box"}); - PARAMETER.put(TRACK_BOX, new String[]{"Track Box"}); - PARAMETER.put(TRACK_FRAGMENT_BOX, new String[]{"Track Fragment Box"}); - PARAMETER.put(USER_DATA_BOX, new String[]{"User Data Box"}); - PARAMETER.put(ITUNES_META_LIST_BOX, new String[]{"iTunes Meta List Box"}); - PARAMETER.put(CUSTOM_ITUNES_METADATA_BOX, new String[]{"Custom iTunes Metadata Box"}); - PARAMETER.put(ALBUM_ARTIST_NAME_BOX, new String[]{"Album Artist Name Box"}); - PARAMETER.put(ALBUM_ARTIST_SORT_BOX, new String[]{"Album Artist Sort Box"}); - PARAMETER.put(ALBUM_NAME_BOX, new String[]{"Album Name Box"}); - PARAMETER.put(ALBUM_SORT_BOX, new String[]{"Album Sort Box"}); - PARAMETER.put(ARTIST_NAME_BOX, new String[]{"Artist Name Box"}); - PARAMETER.put(ARTIST_SORT_BOX, new String[]{"Artist Sort Box"}); - PARAMETER.put(CATEGORY_BOX, new String[]{"Category Box"}); - PARAMETER.put(COMMENTS_BOX, new String[]{"Comments Box"}); - PARAMETER.put(COMPILATION_PART_BOX, new String[]{"Compilation Part Box"}); - PARAMETER.put(COMPOSER_NAME_BOX, new String[]{"Composer Name Box"}); - PARAMETER.put(COMPOSER_SORT_BOX, new String[]{"Composer Sort Box"}); - PARAMETER.put(COVER_BOX, new String[]{"Cover Box"}); - PARAMETER.put(CUSTOM_GENRE_BOX, new String[]{"Custom Genre Box"}); - PARAMETER.put(DESCRIPTION_BOX, new String[]{"Description Cover Box"}); - PARAMETER.put(DISK_NUMBER_BOX, new String[]{"Disk Number Box"}); - PARAMETER.put(EPISODE_GLOBAL_UNIQUE_ID_BOX, new String[]{"Episode Global Unique ID Box"}); - PARAMETER.put(GAPLESS_PLAYBACK_BOX, new String[]{"Gapless Playback Box"}); - PARAMETER.put(GROUPING_BOX, new String[]{"Grouping Box"}); - PARAMETER.put(HD_VIDEO_BOX, new String[]{"HD Video Box"}); - PARAMETER.put(ITUNES_PURCHASE_ACCOUNT_BOX, new String[]{"iTunes Purchase Account Box"}); - PARAMETER.put(ITUNES_ACCOUNT_TYPE_BOX, new String[]{"iTunes Account Type Box"}); - PARAMETER.put(ITUNES_CATALOGUE_ID_BOX, new String[]{"iTunes Catalogue ID Box"}); - PARAMETER.put(ITUNES_COUNTRY_CODE_BOX, new String[]{"iTunes Country Code Box"}); - PARAMETER.put(KEYWORD_BOX, new String[]{"Keyword Box"}); - PARAMETER.put(LONG_DESCRIPTION_BOX, new String[]{"Long Description Box"}); - PARAMETER.put(LYRICS_BOX, new String[]{"Lyrics Box"}); - PARAMETER.put(META_TYPE_BOX, new String[]{"Meta Type Box"}); - PARAMETER.put(PODCAST_BOX, new String[]{"Podcast Box"}); - PARAMETER.put(PODCAST_URL_BOX, new String[]{"Podcast URL Box"}); - PARAMETER.put(PURCHASE_DATE_BOX, new String[]{"Purchase Date Box"}); - PARAMETER.put(RELEASE_DATE_BOX, new String[]{"Release Date Box"}); - PARAMETER.put(TEMPO_BOX, new String[]{"Tempo Box"}); - PARAMETER.put(TRACK_NAME_BOX, new String[]{"Track Name Box"}); - PARAMETER.put(TRACK_NUMBER_BOX, new String[]{"Track Number Box"}); - PARAMETER.put(TRACK_SORT_BOX, new String[]{"Track Sort Box"}); - PARAMETER.put(TV_EPISODE_BOX, new String[]{"TV Episode Box"}); - PARAMETER.put(TV_EPISODE_NUMBER_BOX, new String[]{"TV Episode Number Box"}); - PARAMETER.put(TV_NETWORK_NAME_BOX, new String[]{"TV Network Name Box"}); - PARAMETER.put(TV_SEASON_BOX, new String[]{"TV Season Box"}); - PARAMETER.put(TV_SHOW_BOX, new String[]{"TV Show Box"}); - PARAMETER.put(TV_SHOW_SORT_BOX, new String[]{"TV Show Sort Box"}); - PARAMETER.put(THREE_GPP_AUTHOR_BOX, new String[]{"3GPP Author Box"}); - PARAMETER.put(THREE_GPP_CLASSIFICATION_BOX, new String[]{"3GPP Classification Box"}); - PARAMETER.put(THREE_GPP_DESCRIPTION_BOX, new String[]{"3GPP Description Box"}); - PARAMETER.put(THREE_GPP_PERFORMER_BOX, new String[]{"3GPP Performer Box"}); - PARAMETER.put(THREE_GPP_TITLE_BOX, new String[]{"3GPP Title Box"}); - PARAMETER.put(GOOGLE_HOST_HEADER_BOX, new String[]{"Google Host Header Box"}); - PARAMETER.put(GOOGLE_PING_MESSAGE_BOX, new String[]{"Google Ping Message Box"}); - PARAMETER.put(GOOGLE_PING_URL_BOX, new String[]{"Google Ping URL Box"}); - PARAMETER.put(GOOGLE_SOURCE_DATA_BOX, new String[]{"Google Source Data Box"}); - PARAMETER.put(GOOGLE_START_TIME_BOX, new String[]{"Google Start Time Box"}); - PARAMETER.put(GOOGLE_TRACK_DURATION_BOX, new String[]{"Google Track Duration Box"}); - PARAMETER.put(MP4V_SAMPLE_ENTRY, new String[]{"MPEG-4 Video Sample Entry"}); - PARAMETER.put(H263_SAMPLE_ENTRY, new String[]{"H263 Video Sample Entry"}); - PARAMETER.put(ENCRYPTED_VIDEO_SAMPLE_ENTRY, new String[]{"Encrypted Video Sample Entry"}); - PARAMETER.put(AVC_SAMPLE_ENTRY, new String[]{"AVC Video Sample Entry"}); - PARAMETER.put(MP4A_SAMPLE_ENTRY, new String[]{"MPEG- 4Audio Sample Entry"}); - PARAMETER.put(AC3_SAMPLE_ENTRY, new String[]{"AC-3 Audio Sample Entry"}); - PARAMETER.put(EAC3_SAMPLE_ENTRY, new String[]{"Extended AC-3 Audio Sample Entry"}); - PARAMETER.put(DRMS_SAMPLE_ENTRY, new String[]{"DRMS Audio Sample Entry"}); - PARAMETER.put(AMR_SAMPLE_ENTRY, new String[]{"AMR Audio Sample Entry"}); - PARAMETER.put(AMR_WB_SAMPLE_ENTRY, new String[]{"AMR-Wideband Audio Sample Entry"}); - PARAMETER.put(EVRC_SAMPLE_ENTRY, new String[]{"EVC Audio Sample Entry"}); - PARAMETER.put(QCELP_SAMPLE_ENTRY, new String[]{"QCELP Audio Sample Entry"}); - PARAMETER.put(SMV_SAMPLE_ENTRY, new String[]{"SMV Audio Sample Entry"}); - PARAMETER.put(ENCRYPTED_AUDIO_SAMPLE_ENTRY, new String[]{"Encrypted Audio Sample Entry"}); - PARAMETER.put(OMA_COVER_URI_BOX, new String[]{"OMA DRM Cover URI Box"}); - PARAMETER.put(OMA_DRM_CONTAINER_BOX, new String[]{"OMA DRM Container Box"}); - PARAMETER.put(OMA_ICON_URI_BOX, new String[]{"OMA DRM Icon URI Box"}); - PARAMETER.put(OMA_INFO_URL_BOX, new String[]{"OMA DRM Info URL Box"}); - PARAMETER.put(OMA_LYRICS_URI_BOX, new String[]{"OMA DRM Lyrics URI Box"}); - PARAMETER.put(OMA_MUTABLE_DRM_INFORMATION_BOX, new String[]{"OMA DRM Mutable DRM Information Box"}); - } + public static Box parseBox(Box parent, long offset, long size, long type, MP4Input in) throws IOException { - public static Box parseBox(Box parent, MP4InputStream in) throws IOException { - final long offset = in.getOffset(); + if (size == 1) + size = in.readBytes(8); - long size = in.readBytes(4); - long type = in.readBytes(4); - if(size==1) size = in.readBytes(8); - if(type==EXTENDED_TYPE) in.skipBytes(16); - LOGGER.finest("type: " + typeToString(type) + ", " + size); + if (type == EXTENDED_TYPE) + in.skipBytes(16); - //error protection - if(parent!=null) { - final long parentLeft = (parent.getOffset()+parent.getSize())-offset; - if(size>parentLeft) throw new IOException("error while decoding box '"+typeToString(type)+"' at offset "+offset+": box too large for parent"); - } +LOGGER.finest("type: " + typeToString(type) + ", " + size); - LOGGER.finest("type: " + typeToString(type)); - final BoxImpl box = forType(type, in.getOffset()); - box.setParams(parent, size, type, offset); - box.decode(in); + //error protection + if (parent != null) { + long parentLeft = (parent.getOffset() + parent.getSize()) - offset; + if (size > parentLeft) + throw new IOException("error while decoding box '" + typeToString(type) + "' at offset " + offset + ": box too large for parent"); + } - //if box doesn't contain data it only contains children - final Class cl = box.getClass(); - if(cl==BoxImpl.class||cl==FullBox.class) box.readChildren(in); + LOGGER.finest("type: " + typeToString(type)); + BoxImpl box = forType(type, in.getOffset()); + box.setParams(parent, size, type, offset); + box.decode(in); - //check bytes left - final long left = (box.getOffset()+box.getSize())-in.getOffset(); - if(left>0 - &&!(box instanceof MediaDataBox) - &&!(box instanceof UnknownBox) - &&!(box instanceof FreeSpaceBox)) LOGGER.log(Level.INFO, "bytes left after reading box {0}: left: {1}, offset: {2}", new Object[]{typeToString(type), left, in.getOffset()}); - else if(left<0) LOGGER.log(Level.SEVERE, "box {0} overread: {1} bytes, offset: {2}", new Object[]{typeToString(type), -left, in.getOffset()}); + //if box doesn't contain data it only contains children + Class cl = box.getClass(); + if (cl == BoxImpl.class || cl == FullBox.class) box.readChildren(in); - //if mdat found and no random access, don't skip - if(box.getType()!=MEDIA_DATA_BOX||in.hasRandomAccess()) in.skipBytes(left); - return box; - } + //check bytes left + long left = (box.getOffset() + box.getSize()) - in.getOffset(); + if (left > 0 + && !(box instanceof MediaDataBox) + && !(box instanceof UnknownBox) + && !(box instanceof FreeSpaceBox)) + LOGGER.log(Level.FINE, "bytes left after reading box {0}: left: {1}, offset: {2}", new Object[] {typeToString(type), left, in.getOffset()}); + else if (left < 0) + LOGGER.log(Level.SEVERE, "box {0} overread: {1} bytes, offset: {2}", new Object[] {typeToString(type), -left, in.getOffset()}); - //TODO: remove usages - public static Box parseBox(MP4InputStream in, Class boxClass) throws IOException { - final long offset = in.getOffset(); + //if mdat found and no random access, don't skip + if (box.getType() != MEDIA_DATA_BOX || in.hasRandomAccess()) in.skipBytes(left); + return box; + } - long size = in.readBytes(4); - long type = in.readBytes(4); - if(size==1) size = in.readBytes(8); - if(type==EXTENDED_TYPE) in.skipBytes(16); + // TODO: remove usages + public static Box parseBox(MP4InputStream in, Class boxClass) throws IOException { + long offset = in.getOffset(); - BoxImpl box = null; - try { - box = boxClass.newInstance(); - } - catch(InstantiationException e) { - } - catch(IllegalAccessException e) { - } + long size = in.readBytes(4); + long type = in.readBytes(4); + if (size == 1) size = in.readBytes(8); + if (type == EXTENDED_TYPE) in.skipBytes(16); - if(box!=null) { - box.setParams(null, size, type, offset); - box.decode(in); - final long left = (box.getOffset()+box.getSize())-in.getOffset(); - in.skipBytes(left); - } - return box; - } + BoxImpl box = null; + try { + box = boxClass.newInstance(); + } catch (InstantiationException | IllegalAccessException e) { + } - private static BoxImpl forType(long type, long offset) { - BoxImpl box = null; + if (box != null) { + box.setParams(null, size, type, offset); + box.decode(in); + long left = (box.getOffset() + box.getSize()) - in.getOffset(); + in.skipBytes(left); + } + return box; + } - final Long l = Long.valueOf(type); - if(BOX_CLASSES.containsKey(l)) { - Class cl = BOX_CLASSES.get(l); - if(PARAMETER.containsKey(l)) { - final String[] s = PARAMETER.get(l); - try { - Constructor con = cl.getConstructor(String.class); - box = con.newInstance(s[0]); - } - catch(Exception e) { - LOGGER.log(Level.SEVERE, "BoxFactory: could not call constructor for "+typeToString(type), e); - box = new UnknownBox(); - } - } - else { - try { - box = cl.newInstance(); - } - catch(Exception e) { - LOGGER.log(Level.SEVERE, "BoxFactory: could not instantiate box "+typeToString(type), e); - } - } - } + private static BoxImpl forType(long type, long offset) { + BoxImpl box = null; - if(box==null) { - LOGGER.log(Level.INFO, "BoxFactory: unknown box type: {0}; position: {1}", new Object[]{typeToString(type), offset}); - box = new UnknownBox(); - } - return box; - } + Long l = type; + if (BOX_CLASSES.containsKey(l)) { + Class cl = BOX_CLASSES.get(l); + if (PARAMETER.containsKey(l)) { + String[] s = PARAMETER.get(l); + try { + Constructor con = cl.getConstructor(String.class); + box = con.newInstance(s[0]); + } catch (Exception e) { + LOGGER.log(Level.SEVERE, "BoxFactory: could not call constructor for " + typeToString(type), e); + box = new UnknownBox(); + } + } else { + try { + box = cl.newInstance(); + } catch (Exception e) { + LOGGER.log(Level.SEVERE, "BoxFactory: could not instantiate box " + typeToString(type), e); + } + } + } + + if (box == null) { + LOGGER.log(Level.FINE, "BoxFactory: unknown box type: {0}; position: {1}", new Object[] {typeToString(type), offset}); + box = new UnknownBox(); + } + return box; + } - public static String typeToString(long l) { - byte[] b = new byte[4]; - b[0] = (byte) ((l>>24)&0xFF); - b[1] = (byte) ((l>>16)&0xFF); - b[2] = (byte) ((l>>8)&0xFF); - b[3] = (byte) (l&0xFF); - return new String(b); - } + public static String typeToString(long l) { + // convert bytes to char directly + // first utf16 page is ISO 8859 + byte[] b = new byte[4]; + b[0] = (byte) ((l >> 24) & 0xFF); + b[1] = (byte) ((l >> 16) & 0xFF); + b[2] = (byte) ((l >> 8) & 0xFF); + b[3] = (byte) (l & 0xFF); + return new String(b); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxImpl.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxImpl.java index 5a7e1476..640749a1 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxImpl.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxImpl.java @@ -4,119 +4,126 @@ import java.util.ArrayList; import java.util.Collections; import java.util.List; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; + public class BoxImpl implements Box { - private final String name; - protected long size, type, offset; - protected Box parent; - protected final List children; - - public BoxImpl(String name) { - this.name = name; - - children = new ArrayList(4); - } - - public void setParams(Box parent, long size, long type, long offset) { - this.size = size; - this.type = type; - this.parent = parent; - this.offset = offset; - } - - protected long getLeft(MP4InputStream in) throws IOException { - return (offset+size)-in.getOffset(); - } - - /** - * Decodes the given input stream by reading this box and all of its - * children (if any). - * - * @param in an input stream - * @throws IOException if an error occurs while reading - */ - public void decode(MP4InputStream in) throws IOException { - } - - public long getType() { - return type; - } - - public long getSize() { - return size; - } - - public long getOffset() { - return offset; - } - - public Box getParent() { - return parent; - } - - public String getName() { - return name; - } - - @Override - public String toString() { - return name+" ["+BoxFactory.typeToString(type)+"]"; - } - - //container methods - public boolean hasChildren() { - return children.size()>0; - } - - public boolean hasChild(long type) { - boolean b = false; - for(Box box : children) { - if(box.getType()==type) { - b = true; - break; - } - } - return b; - } - - public Box getChild(long type) { - Box box = null, b = null; - int i = 0; - while(box==null&&i getChildren() { - return Collections.unmodifiableList(children); - } - - public List getChildren(long type) { - List l = new ArrayList(); - for(Box box : children) { - if(box.getType()==type) l.add(box); - } - return l; - } - - protected void readChildren(MP4InputStream in) throws IOException { - Box box; - while(in.getOffset()<(offset+size)) { - box = BoxFactory.parseBox(this, in); - children.add(box); - } - } - - protected void readChildren(MP4InputStream in, int len) throws IOException { - Box box; - for(int i = 0; i children; + + public BoxImpl(String name) { + this.name = name; + + children = new ArrayList<>(4); + } + + public void setParams(Box parent, long size, long type, long offset) { + this.size = size; + this.type = type; + this.parent = parent; + this.offset = offset; + } + + protected long getLeft(MP4Input in) throws IOException { + return (offset + size) - in.getOffset(); + } + + /** + * Decodes the given input stream by reading this box and all of its + * children (if any). + * + * @param in an input stream + * @throws IOException if an error occurs while reading + */ + public void decode(MP4Input in) throws IOException { + } + + public long getType() { + return type; + } + + public long getSize() { + return size; + } + + public long getOffset() { + return offset; + } + + public Box getParent() { + return parent; + } + + public String getName() { + return name; + } + + @Override + public String toString() { + return name + " [" + BoxFactory.typeToString(type) + "]"; + } + + //container methods + public boolean hasChildren() { + return children.size() > 0; + } + + public boolean hasChild(long type) { + boolean b = false; + for (Box box : children) { + if (box.getType() == type) { + b = true; + break; + } + } + return b; + } + + public Box getChild(long type) { + Box box = null, b = null; + int i = 0; + while (box == null && i < children.size()) { + b = children.get(i); + if (b.getType() == type) box = b; + i++; + } + return box; + } + + public List getChildren() { + return Collections.unmodifiableList(children); + } + + public List getChildren(long type) { + List l = new ArrayList<>(); + for (Box box : children) { + if (box.getType() == type) + l.add(box); + } + return l; + } + + protected Box parseBox(MP4Input in) throws IOException { + return BoxFactory.parseBox(this, in); + } + + protected void readChildren(MP4Input in) throws IOException { + Box box; + while (in.getOffset() < (offset + size)) { + box = BoxFactory.parseBox(this, in); + children.add(box); + } + } + + protected void readChildren(MP4Input in, int len) throws IOException { + Box box; + for (int i = 0; i < len; i++) { + box = BoxFactory.parseBox(this, in); + children.add(box); + } + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxTypes.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxTypes.java index 5e757b49..fee2aa9f 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxTypes.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/BoxTypes.java @@ -1,219 +1,224 @@ package net.sourceforge.jaad.mp4.boxes; +import java.util.logging.Logger; + + public interface BoxTypes { - long EXTENDED_TYPE = 1970628964; //uuid - //standard boxes (ISO BMFF) - long ADDITIONAL_METADATA_CONTAINER_BOX = 1835361135l; //meco - long APPLE_LOSSLESS_BOX = 1634492771l; //alac - long BINARY_XML_BOX = 1652059500l; //bxml - long BIT_RATE_BOX = 1651798644l; //btrt - long CHAPTER_BOX = 1667788908l; //chpl - long CHUNK_OFFSET_BOX = 1937007471l; //stco - long CHUNK_LARGE_OFFSET_BOX = 1668232756l; //co64 - long CLEAN_APERTURE_BOX = 1668047216l; //clap - long COMPACT_SAMPLE_SIZE_BOX = 1937013298l; //stz2 - long COMPOSITION_TIME_TO_SAMPLE_BOX = 1668576371l; //ctts - long COPYRIGHT_BOX = 1668313716l; //cprt - long DATA_ENTRY_URN_BOX = 1970433568l; //urn - long DATA_ENTRY_URL_BOX = 1970433056l; //url - long DATA_INFORMATION_BOX = 1684631142l; //dinf - long DATA_REFERENCE_BOX = 1685218662l; //dref - long DECODING_TIME_TO_SAMPLE_BOX = 1937011827l; //stts - long DEGRADATION_PRIORITY_BOX = 1937007728l; //stdp - long EDIT_BOX = 1701082227l; //edts - long EDIT_LIST_BOX = 1701606260l; //elst - long FD_ITEM_INFORMATION_BOX = 1718184302l; //fiin - long FD_SESSION_GROUP_BOX = 1936025458l; //segr - long FEC_RESERVOIR_BOX = 1717920626l; //fecr - long FILE_PARTITION_BOX = 1718641010l; //fpar - long FILE_TYPE_BOX = 1718909296l; //ftyp - long FREE_SPACE_BOX = 1718773093l; //free - long GROUP_ID_TO_NAME_BOX = 1734964334l; //gitn - long HANDLER_BOX = 1751411826l; //hdlr - long HINT_MEDIA_HEADER_BOX = 1752000612l; //hmhd - long IPMP_CONTROL_BOX = 1768975715l; //ipmc - long IPMP_INFO_BOX = 1768778086l; //imif - long ITEM_INFORMATION_BOX = 1768517222l; //iinf - long ITEM_INFORMATION_ENTRY = 1768842853l; //infe - long ITEM_LOCATION_BOX = 1768714083l; //iloc - long ITEM_PROTECTION_BOX = 1768977007l; //ipro - long MEDIA_BOX = 1835297121l; //mdia - long MEDIA_DATA_BOX = 1835295092l; //mdat - long MEDIA_HEADER_BOX = 1835296868l; //mdhd - long MEDIA_INFORMATION_BOX = 1835626086l; //minf - long META_BOX = 1835365473l; //meta - long META_BOX_RELATION_BOX = 1835364965l; //mere - long MOVIE_BOX = 1836019574l; //moov - long MOVIE_EXTENDS_BOX = 1836475768l; //mvex - long MOVIE_EXTENDS_HEADER_BOX = 1835362404l; //mehd - long MOVIE_FRAGMENT_BOX = 1836019558l; //moof - long MOVIE_FRAGMENT_HEADER_BOX = 1835427940l; //mfhd - long MOVIE_FRAGMENT_RANDOM_ACCESS_BOX = 1835430497l; //mfra - long MOVIE_FRAGMENT_RANDOM_ACCESS_OFFSET_BOX = 1835430511l; //mfro - long MOVIE_HEADER_BOX = 1836476516l; //mvhd - long NERO_METADATA_TAGS_BOX = 1952540531l; //tags - long NULL_MEDIA_HEADER_BOX = 1852663908l; //nmhd - long ORIGINAL_FORMAT_BOX = 1718775137l; //frma - long PADDING_BIT_BOX = 1885430882l; //padb - long PARTITION_ENTRY = 1885431150l; //paen - long PIXEL_ASPECT_RATIO_BOX = 1885434736l; //pasp - long PRIMARY_ITEM_BOX = 1885959277l; //pitm - long PROGRESSIVE_DOWNLOAD_INFORMATION_BOX = 1885628782l; //pdin - long PROTECTION_SCHEME_INFORMATION_BOX = 1936289382l; //sinf - long SAMPLE_DEPENDENCY_TYPE_BOX = 1935963248l; //sdtp - long SAMPLE_DESCRIPTION_BOX = 1937011556l; //stsd - long SAMPLE_GROUP_DESCRIPTION_BOX = 1936158820l; //sgpd - long SAMPLE_SCALE_BOX = 1937011564l; //stsl - long SAMPLE_SIZE_BOX = 1937011578l; //stsz - long SAMPLE_TABLE_BOX = 1937007212l; //stbl - long SAMPLE_TO_CHUNK_BOX = 1937011555l; //stsc - long SAMPLE_TO_GROUP_BOX = 1935828848l; //sbgp - long SCHEME_TYPE_BOX = 1935894637l; //schm - long SCHEME_INFORMATION_BOX = 1935894633l; //schi - long SHADOW_SYNC_SAMPLE_BOX = 1937011560l; //stsh - long SKIP_BOX = 1936419184l; //skip - long SOUND_MEDIA_HEADER_BOX = 1936549988l; //smhd - long SUB_SAMPLE_INFORMATION_BOX = 1937072755l; //subs - long SYNC_SAMPLE_BOX = 1937011571l; //stss - long TRACK_BOX = 1953653099l; //trak - long TRACK_EXTENDS_BOX = 1953654136l; //trex - long TRACK_FRAGMENT_BOX = 1953653094l; //traf - long TRACK_FRAGMENT_HEADER_BOX = 1952868452l; //tfhd - long TRACK_FRAGMENT_RANDOM_ACCESS_BOX = 1952871009l; //tfra - long TRACK_FRAGMENT_RUN_BOX = 1953658222l; //trun - long TRACK_HEADER_BOX = 1953196132l; //tkhd - long TRACK_REFERENCE_BOX = 1953654118l; //tref - long TRACK_SELECTION_BOX = 1953719660l; //tsel - long USER_DATA_BOX = 1969517665l; //udta - long VIDEO_MEDIA_HEADER_BOX = 1986881636l; //vmhd - long WIDE_BOX = 2003395685l; //wide - long XML_BOX = 2020437024l; //xml - //mp4 extension - long OBJECT_DESCRIPTOR_BOX = 1768907891l; //iods - long SAMPLE_DEPENDENCY_BOX = 1935959408l; //sdep - //metadata: id3 - long ID3_TAG_BOX = 1768174386l; //id32 - //metadata: itunes - long ITUNES_META_LIST_BOX = 1768715124l; //ilst - long CUSTOM_ITUNES_METADATA_BOX = 757935405l; //---- - long ITUNES_METADATA_BOX = 1684108385l; //data - long ITUNES_METADATA_NAME_BOX = 1851878757l; //name - long ITUNES_METADATA_MEAN_BOX = 1835360622l; //mean - long ALBUM_ARTIST_NAME_BOX = 1631670868l; //aART - long ALBUM_ARTIST_SORT_BOX = 1936679265l; //soaa - long ALBUM_NAME_BOX = 2841734242l; //Šalb - long ALBUM_SORT_BOX = 1936679276l; //soal - long ARTIST_NAME_BOX = 2839630420l; //ŠART - long ARTIST_SORT_BOX = 1936679282l; //soar - long CATEGORY_BOX = 1667331175l; //catg - long COMMENTS_BOX = 2841865588l; //Šcmt - long COMPILATION_PART_BOX = 1668311404l; //cpil - long COMPOSER_NAME_BOX = 2843177588l; //Šwrt - long COMPOSER_SORT_BOX = 1936679791l; //soco - long COVER_BOX = 1668249202l; //covr - long CUSTOM_GENRE_BOX = 2842125678l; //Šgen - long DESCRIPTION_BOX = 1684370275l; //desc - long DISK_NUMBER_BOX = 1684632427l; //disk - long ENCODER_NAME_BOX = 2841996899l; //Šenc - long ENCODER_TOOL_BOX = 2842980207l; //Štoo - long EPISODE_GLOBAL_UNIQUE_ID_BOX = 1701276004l; //egid - long GAPLESS_PLAYBACK_BOX = 1885823344l; //pgap - long GENRE_BOX = 1735291493l; //gnre - long GROUPING_BOX = 2842129008l; //Šgrp - long HD_VIDEO_BOX = 1751414372l; //hdvd - long ITUNES_PURCHASE_ACCOUNT_BOX = 1634748740l; //apID - long ITUNES_ACCOUNT_TYPE_BOX = 1634421060l; //akID - long ITUNES_CATALOGUE_ID_BOX = 1668172100l; //cnID - long ITUNES_COUNTRY_CODE_BOX = 1936083268l; //sfID - long KEYWORD_BOX = 1801812343l; //keyw - long LONG_DESCRIPTION_BOX = 1818518899l; //ldes - long LYRICS_BOX = 2842458482l; //Šlyr - long META_TYPE_BOX = 1937009003l; //stik - long PODCAST_BOX = 1885565812l; //pcst - long PODCAST_URL_BOX = 1886745196l; //purl - long PURCHASE_DATE_BOX = 1886745188l; //purd - long RATING_BOX = 1920233063l; //rtng - long RELEASE_DATE_BOX = 2841928057l; //Šday - long REQUIREMENT_BOX = 2842846577l; //Šreq - long TEMPO_BOX = 1953329263l; //tmpo - long TRACK_NAME_BOX = 2842583405l; //Šnam - long TRACK_NUMBER_BOX = 1953655662l; //trkn - long TRACK_SORT_BOX = 1936682605l; //sonm - long TV_EPISODE_BOX = 1953916275l; //tves - long TV_EPISODE_NUMBER_BOX = 1953916270l; //tven - long TV_NETWORK_NAME_BOX = 1953918574l; //tvnn - long TV_SEASON_BOX = 1953919854l; //tvsn - long TV_SHOW_BOX = 1953919848l; //tvsh - long TV_SHOW_SORT_BOX = 1936683886l; //sosn - //metadata: 3gpp - long THREE_GPP_ALBUM_BOX = 1634493037l; //albm - long THREE_GPP_AUTHOR_BOX = 1635087464l; //auth - long THREE_GPP_CLASSIFICATION_BOX = 1668051814l; //clsf - long THREE_GPP_DESCRIPTION_BOX = 1685283696l; //dscp - long THREE_GPP_KEYWORDS_BOX = 1803122532l; //kywd - long THREE_GPP_LOCATION_INFORMATION_BOX = 1819239273l; //loci - long THREE_GPP_PERFORMER_BOX = 1885696614l; //perf - long THREE_GPP_RECORDING_YEAR_BOX = 2037543523l; //yrrc - long THREE_GPP_TITLE_BOX = 1953068140l; //titl - //metadata: google/youtube - long GOOGLE_HOST_HEADER_BOX = 1735616616l; //gshh - long GOOGLE_PING_MESSAGE_BOX = 1735618669l; //gspm - long GOOGLE_PING_URL_BOX = 1735618677l; //gspu - long GOOGLE_SOURCE_DATA_BOX = 1735619428l; //gssd - long GOOGLE_START_TIME_BOX = 1735619444l; //gsst - long GOOGLE_TRACK_DURATION_BOX = 1735619684l; //gstd - //sample entries - long MP4V_SAMPLE_ENTRY = 1836070006l; //mp4v - long H263_SAMPLE_ENTRY = 1932670515l; //s263 - long ENCRYPTED_VIDEO_SAMPLE_ENTRY = 1701733238l; //encv - long AVC_SAMPLE_ENTRY = 1635148593l; //avc1 - long MP4A_SAMPLE_ENTRY = 1836069985l; //mp4a - long AC3_SAMPLE_ENTRY = 1633889587l; //ac-3 - long EAC3_SAMPLE_ENTRY = 1700998451l; //ec-3 - long DRMS_SAMPLE_ENTRY = 1685220723l; //drms - long AMR_SAMPLE_ENTRY = 1935764850l; //samr - long AMR_WB_SAMPLE_ENTRY = 1935767394l; //sawb - long EVRC_SAMPLE_ENTRY = 1936029283l; //sevc - long QCELP_SAMPLE_ENTRY = 1936810864l; //sqcp - long SMV_SAMPLE_ENTRY = 1936944502l; //ssmv - long ENCRYPTED_AUDIO_SAMPLE_ENTRY = 1701733217l; //enca - long MPEG_SAMPLE_ENTRY = 1836070003l; //mp4s - long TEXT_METADATA_SAMPLE_ENTRY = 1835365492l; //mett - long XML_METADATA_SAMPLE_ENTRY = 1835365496l; //metx - long RTP_HINT_SAMPLE_ENTRY = 1920233504l; //rtp - long FD_HINT_SAMPLE_ENTRY = 1717858336l; //fdp - //codec infos - long ESD_BOX = 1702061171l; //esds - //video codecs - long H263_SPECIFIC_BOX = 1681012275l; //d263 - long AVC_SPECIFIC_BOX = 1635148611l; //avcC - //audio codecs - long AC3_SPECIFIC_BOX = 1684103987l; //dac3 - long EAC3_SPECIFIC_BOX = 1684366131l; //dec3 - long AMR_SPECIFIC_BOX = 1684106610l; //damr - long EVRC_SPECIFIC_BOX = 1684371043l; //devc - long QCELP_SPECIFIC_BOX = 1685152624l; //dqcp - long SMV_SPECIFIC_BOX = 1685286262l; //dsmv - //OMA DRM - long OMA_ACCESS_UNIT_FORMAT_BOX = 1868849510l; //odaf - long OMA_COMMON_HEADERS_BOX = 1869112434l; //ohdr - long OMA_CONTENT_ID_BOX = 1667459428l; //ccid - long OMA_CONTENT_OBJECT_BOX = 1868850273l; //odda - long OMA_COVER_URI_BOX = 1668706933l; //cvru - long OMA_DISCRETE_MEDIA_HEADERS_BOX = 1868851301l; //odhe - long OMA_DRM_CONTAINER_BOX = 1868853869l; //odrm - long OMA_ICON_URI_BOX = 1768124021l; //icnu - long OMA_INFO_URL_BOX = 1768842869l; //infu - long OMA_LYRICS_URI_BOX = 1819435893l; //lrcu - long OMA_MUTABLE_DRM_INFORMATION_BOX = 1835299433l; //mdri - long OMA_KEY_MANAGEMENT_BOX = 1868852077l; //odkm - long OMA_RIGHTS_OBJECT_BOX = 1868853858l; //odrb - long OMA_TRANSACTION_TRACKING_BOX = 1868854388l; //odtt - //iTunes DRM (FairPlay) - long FAIRPLAY_USER_ID_BOX = 1970496882l; //user - long FAIRPLAY_USER_NAME_BOX = 1851878757l; //name - long FAIRPLAY_USER_KEY_BOX = 1801812256l; //key - long FAIRPLAY_IV_BOX = 1769367926l; //iviv - long FAIRPLAY_PRIVATE_KEY_BOX = 1886546294l; //priv + Logger LOGGER = Logger.getLogger(BoxTypes.class.getName()); + + long EXTENDED_TYPE = 1970628964; //uuid + //standard boxes (ISO BMFF) + long ADDITIONAL_METADATA_CONTAINER_BOX = 1835361135L; //meco + long APPLE_LOSSLESS_BOX = 1634492771L; //alac + long BINARY_XML_BOX = 1652059500L; //bxml + long BIT_RATE_BOX = 1651798644L; //btrt + long CHAPTER_BOX = 1667788908L; //chpl + long CHUNK_OFFSET_BOX = 1937007471L; //stco + long CHUNK_LARGE_OFFSET_BOX = 1668232756L; //co64 + long CLEAN_APERTURE_BOX = 1668047216L; //clap + long COMPACT_SAMPLE_SIZE_BOX = 1937013298L; //stz2 + long COMPOSITION_TIME_TO_SAMPLE_BOX = 1668576371L; //ctts + long COPYRIGHT_BOX = 1668313716L; //cprt + long DATA_ENTRY_URN_BOX = 1970433568L; //urn + long DATA_ENTRY_URL_BOX = 1970433056L; //url + long DATA_INFORMATION_BOX = 1684631142L; //dinf + long DATA_REFERENCE_BOX = 1685218662L; //dref + long DECODING_TIME_TO_SAMPLE_BOX = 1937011827L; //stts + long DEGRADATION_PRIORITY_BOX = 1937007728L; //stdp + long EDIT_BOX = 1701082227L; //edts + long EDIT_LIST_BOX = 1701606260L; //elst + long FD_ITEM_INFORMATION_BOX = 1718184302L; //fiin + long FD_SESSION_GROUP_BOX = 1936025458L; //segr + long FEC_RESERVOIR_BOX = 1717920626L; //fecr + long FILE_PARTITION_BOX = 1718641010L; //fpar + long FILE_TYPE_BOX = 1718909296L; //ftyp + long FREE_SPACE_BOX = 1718773093L; //free + long GROUP_ID_TO_NAME_BOX = 1734964334L; //gitn + long HANDLER_BOX = 1751411826L; //hdlr + long HINT_MEDIA_HEADER_BOX = 1752000612L; //hmhd + long IPMP_CONTROL_BOX = 1768975715L; //ipmc + long IPMP_INFO_BOX = 1768778086L; //imif + long ITEM_INFORMATION_BOX = 1768517222L; //iinf + long ITEM_INFORMATION_ENTRY = 1768842853L; //infe + long ITEM_LOCATION_BOX = 1768714083L; //iloc + long ITEM_PROTECTION_BOX = 1768977007L; //ipro + long MEDIA_BOX = 1835297121L; //mdia + long MEDIA_DATA_BOX = 1835295092L; //mdat + long MEDIA_HEADER_BOX = 1835296868L; //mdhd + long MEDIA_INFORMATION_BOX = 1835626086L; //minf + long META_BOX = 1835365473L; //meta + long META_BOX_RELATION_BOX = 1835364965L; //mere + long MOVIE_BOX = 1836019574L; //moov + long MOVIE_EXTENDS_BOX = 1836475768L; //mvex + long MOVIE_EXTENDS_HEADER_BOX = 1835362404L; //mehd + long MOVIE_FRAGMENT_BOX = 1836019558L; //moof + long MOVIE_FRAGMENT_HEADER_BOX = 1835427940L; //mfhd + long MOVIE_FRAGMENT_RANDOM_ACCESS_BOX = 1835430497L; //mfra + long MOVIE_FRAGMENT_RANDOM_ACCESS_OFFSET_BOX = 1835430511L; //mfro + long MOVIE_HEADER_BOX = 1836476516L; //mvhd + long NERO_METADATA_TAGS_BOX = 1952540531L; //tags + long NULL_MEDIA_HEADER_BOX = 1852663908L; //nmhd + long ORIGINAL_FORMAT_BOX = 1718775137L; //frma + long PADDING_BIT_BOX = 1885430882L; //padb + long PARTITION_ENTRY = 1885431150L; //paen + long PIXEL_ASPECT_RATIO_BOX = 1885434736L; //pasp + long PRIMARY_ITEM_BOX = 1885959277L; //pitm + long PROGRESSIVE_DOWNLOAD_INFORMATION_BOX = 1885628782L; //pdin + long PROTECTION_SCHEME_INFORMATION_BOX = 1936289382L; //sinf + long SAMPLE_DEPENDENCY_TYPE_BOX = 1935963248L; //sdtp + long SAMPLE_DESCRIPTION_BOX = 1937011556L; //stsd + long SAMPLE_GROUP_DESCRIPTION_BOX = 1936158820L; //sgpd + long SAMPLE_SCALE_BOX = 1937011564L; //stsl + long SAMPLE_SIZE_BOX = 1937011578L; //stsz + long SAMPLE_TABLE_BOX = 1937007212L; //stbl + long SAMPLE_TO_CHUNK_BOX = 1937011555L; //stsc + long SAMPLE_TO_GROUP_BOX = 1935828848L; //sbgp + long SCHEME_TYPE_BOX = 1935894637L; //schm + long SCHEME_INFORMATION_BOX = 1935894633L; //schi + long SHADOW_SYNC_SAMPLE_BOX = 1937011560L; //stsh + long SKIP_BOX = 1936419184L; //skip + long SOUND_MEDIA_HEADER_BOX = 1936549988L; //smhd + long SUB_SAMPLE_INFORMATION_BOX = 1937072755L; //subs + long SYNC_SAMPLE_BOX = 1937011571L; //stss + long TRACK_BOX = 1953653099L; //trak + long TRACK_EXTENDS_BOX = 1953654136L; //trex + long TRACK_FRAGMENT_BOX = 1953653094L; //traf + long TRACK_FRAGMENT_HEADER_BOX = 1952868452L; //tfhd + long TRACK_FRAGMENT_RANDOM_ACCESS_BOX = 1952871009L; //tfra + long TRACK_FRAGMENT_RUN_BOX = 1953658222L; //trun + long TRACK_HEADER_BOX = 1953196132L; //tkhd + long TRACK_REFERENCE_BOX = 1953654118L; //tref + long TRACK_SELECTION_BOX = 1953719660L; //tsel + long USER_DATA_BOX = 1969517665L; //udta + long VIDEO_MEDIA_HEADER_BOX = 1986881636L; //vmhd + long WIDE_BOX = 2003395685L; //wide + long XML_BOX = 2020437024L; //xml + //mp4 extension + long OBJECT_DESCRIPTOR_BOX = 1768907891L; //iods + long SAMPLE_DEPENDENCY_BOX = 1935959408L; //sdep + //metadata: id3 + long ID3_TAG_BOX = 1768174386L; //id32 + //metadata: itunes + long ITUNES_META_LIST_BOX = 1768715124L; //ilst + long CUSTOM_ITUNES_METADATA_BOX = 757935405L; //---- + long ITUNES_METADATA_BOX = 1684108385L; //data + long ITUNES_METADATA_NAME_BOX = 1851878757L; //name + long ITUNES_METADATA_MEAN_BOX = 1835360622L; //mean + long ALBUM_ARTIST_NAME_BOX = 1631670868L; //aART + long ALBUM_ARTIST_SORT_BOX = 1936679265L; //soaa + long ALBUM_NAME_BOX = 2841734242L; //Šalb + long ALBUM_SORT_BOX = 1936679276L; //soal + long ARTIST_NAME_BOX = 2839630420L; //ŠART + long ARTIST_SORT_BOX = 1936679282L; //soar + long CATEGORY_BOX = 1667331175L; //catg + long COMMENTS_BOX = 2841865588L; //Šcmt + long COMPILATION_PART_BOX = 1668311404L; //cpil + long COMPOSER_NAME_BOX = 2843177588L; //Šwrt + long COMPOSER_SORT_BOX = 1936679791L; //soco + long COVER_BOX = 1668249202L; //covr + long CUSTOM_GENRE_BOX = 2842125678L; //Šgen + long DESCRIPTION_BOX = 1684370275L; //desc + long DISK_NUMBER_BOX = 1684632427L; //disk + long ENCODER_NAME_BOX = 2841996899L; //Šenc + long ENCODER_TOOL_BOX = 2842980207L; //Štoo + long EPISODE_GLOBAL_UNIQUE_ID_BOX = 1701276004L; //egid + long GAPLESS_PLAYBACK_BOX = 1885823344L; //pgap + long GENRE_BOX = 1735291493L; //gnre + long GROUPING_BOX = 2842129008L; //Šgrp + long HD_VIDEO_BOX = 1751414372L; //hdvd + long ITUNES_PURCHASE_ACCOUNT_BOX = 1634748740L; //apID + long ITUNES_ACCOUNT_TYPE_BOX = 1634421060L; //akID + long ITUNES_CATALOGUE_ID_BOX = 1668172100L; //cnID + long ITUNES_COUNTRY_CODE_BOX = 1936083268L; //sfID + long KEYWORD_BOX = 1801812343L; //keyw + long LONG_DESCRIPTION_BOX = 1818518899L; //ldes + long LYRICS_BOX = 2842458482L; //Šlyr + long META_TYPE_BOX = 1937009003L; //stik + long PODCAST_BOX = 1885565812L; //pcst + long PODCAST_URL_BOX = 1886745196L; //purl + long PURCHASE_DATE_BOX = 1886745188L; //purd + long RATING_BOX = 1920233063L; //rtng + long RELEASE_DATE_BOX = 2841928057L; //Šday + long REQUIREMENT_BOX = 2842846577L; //Šreq + long TEMPO_BOX = 1953329263L; //tmpo + long TRACK_NAME_BOX = 2842583405L; //Šnam + long TRACK_NUMBER_BOX = 1953655662L; //trkn + long TRACK_SORT_BOX = 1936682605L; //sonm + long TV_EPISODE_BOX = 1953916275L; //tves + long TV_EPISODE_NUMBER_BOX = 1953916270L; //tven + long TV_NETWORK_NAME_BOX = 1953918574L; //tvnn + long TV_SEASON_BOX = 1953919854L; //tvsn + long TV_SHOW_BOX = 1953919848L; //tvsh + long TV_SHOW_SORT_BOX = 1936683886L; //sosn + //metadata: 3gpp + long THREE_GPP_ALBUM_BOX = 1634493037L; //albm + long THREE_GPP_AUTHOR_BOX = 1635087464L; //auth + long THREE_GPP_CLASSIFICATION_BOX = 1668051814L; //clsf + long THREE_GPP_DESCRIPTION_BOX = 1685283696L; //dscp + long THREE_GPP_KEYWORDS_BOX = 1803122532L; //kywd + long THREE_GPP_LOCATION_INFORMATION_BOX = 1819239273L; //loci + long THREE_GPP_PERFORMER_BOX = 1885696614L; //perf + long THREE_GPP_RECORDING_YEAR_BOX = 2037543523L; //yrrc + long THREE_GPP_TITLE_BOX = 1953068140L; //titl + //metadata: google/youtube + long GOOGLE_HOST_HEADER_BOX = 1735616616L; //gshh + long GOOGLE_PING_MESSAGE_BOX = 1735618669L; //gspm + long GOOGLE_PING_URL_BOX = 1735618677L; //gspu + long GOOGLE_SOURCE_DATA_BOX = 1735619428L; //gssd + long GOOGLE_START_TIME_BOX = 1735619444L; //gsst + long GOOGLE_TRACK_DURATION_BOX = 1735619684L; //gstd + //sample entries + long MP4V_SAMPLE_ENTRY = 1836070006L; //mp4v + long H263_SAMPLE_ENTRY = 1932670515L; //s263 + long ENCRYPTED_VIDEO_SAMPLE_ENTRY = 1701733238L; //encv + long AVC_SAMPLE_ENTRY = 1635148593L; //avc1 + long MP4A_SAMPLE_ENTRY = 1836069985L; //mp4a + long AC3_SAMPLE_ENTRY = 1633889587L; //ac-3 + long EAC3_SAMPLE_ENTRY = 1700998451L; //ec-3 + long DRMS_SAMPLE_ENTRY = 1685220723L; //drms + long AMR_SAMPLE_ENTRY = 1935764850L; //samr + long AMR_WB_SAMPLE_ENTRY = 1935767394L; //sawb + long EVRC_SAMPLE_ENTRY = 1936029283L; //sevc + long QCELP_SAMPLE_ENTRY = 1936810864L; //sqcp + long SMV_SAMPLE_ENTRY = 1936944502L; //ssmv + long ENCRYPTED_AUDIO_SAMPLE_ENTRY = 1701733217L; //enca + long MPEG_SAMPLE_ENTRY = 1836070003L; //mp4s + long TEXT_METADATA_SAMPLE_ENTRY = 1835365492L; //mett + long XML_METADATA_SAMPLE_ENTRY = 1835365496L; //metx + long RTP_HINT_SAMPLE_ENTRY = 1920233504L; //rtp + long FD_HINT_SAMPLE_ENTRY = 1717858336L; //fdp + //codec infos + long ESD_BOX = 1702061171L; //esds + //video codecs + long H263_SPECIFIC_BOX = 1681012275L; //d263 + long AVC_SPECIFIC_BOX = 1635148611L; //avcC + //audio codecs + long AC3_SPECIFIC_BOX = 1684103987L; //dac3 + long EAC3_SPECIFIC_BOX = 1684366131L; //dec3 + long AMR_SPECIFIC_BOX = 1684106610L; //damr + long EVRC_SPECIFIC_BOX = 1684371043L; //devc + long QCELP_SPECIFIC_BOX = 1685152624L; //dqcp + long SMV_SPECIFIC_BOX = 1685286262L; //dsmv + //OMA DRM + long OMA_ACCESS_UNIT_FORMAT_BOX = 1868849510L; //odaf + long OMA_COMMON_HEADERS_BOX = 1869112434L; //ohdr + long OMA_CONTENT_ID_BOX = 1667459428L; //ccid + long OMA_CONTENT_OBJECT_BOX = 1868850273L; //odda + long OMA_COVER_URI_BOX = 1668706933L; //cvru + long OMA_DISCRETE_MEDIA_HEADERS_BOX = 1868851301L; //odhe + long OMA_DRM_CONTAINER_BOX = 1868853869L; //odrm + long OMA_ICON_URI_BOX = 1768124021L; //icnu + long OMA_INFO_URL_BOX = 1768842869L; //infu + long OMA_LYRICS_URI_BOX = 1819435893L; //lrcu + long OMA_MUTABLE_DRM_INFORMATION_BOX = 1835299433L; //mdri + long OMA_KEY_MANAGEMENT_BOX = 1868852077L; //odkm + long OMA_RIGHTS_OBJECT_BOX = 1868853858L; //odrb + long OMA_TRANSACTION_TRACKING_BOX = 1868854388L; //odtt + //iTunes DRM (FairPlay) + long FAIRPLAY_USER_ID_BOX = 1970496882L; //user + long FAIRPLAY_USER_NAME_BOX = 1851878757L; //name + long FAIRPLAY_USER_KEY_BOX = 1801812256L; //key + long FAIRPLAY_IV_BOX = 1769367926L; //iviv + long FAIRPLAY_PRIVATE_KEY_BOX = 1886546294L; //priv } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/FullBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/FullBox.java index acb7d95a..d96b3f87 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/FullBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/FullBox.java @@ -1,19 +1,21 @@ package net.sourceforge.jaad.mp4.boxes; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; + public class FullBox extends BoxImpl { - protected int version, flags; + protected int version, flags; - public FullBox(String name) { - super(name); - } + public FullBox(String name) { + super(name); + } - @Override - public void decode(MP4InputStream in) throws IOException { - version = in.read(); - flags = (int) in.readBytes(3); - } + @Override + public void decode(MP4Input in) throws IOException { + version = in.readByte(); + flags = (int) in.readBytes(3); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/UnknownBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/UnknownBox.java index 14bcd3c0..96222e85 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/UnknownBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/UnknownBox.java @@ -1,21 +1,23 @@ package net.sourceforge.jaad.mp4.boxes; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; + /** * Box implementation that is used for unknown types. - * + * * @author in-somnia */ class UnknownBox extends BoxImpl { - UnknownBox() { - super("unknown"); - } + UnknownBox() { + super("unknown"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - //no need to read, box will be skipped - } + @Override + public void decode(MP4Input in) throws IOException { + //no need to read, box will be skipped + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/Utils.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/Utils.java index f74924e4..505f1288 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/Utils.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/Utils.java @@ -2,21 +2,21 @@ public final class Utils { - private static final long UNDETERMINED = 4294967295l; + private static final long UNDETERMINED = 4294967295L; - public static String getLanguageCode(long l) { - //1 bit padding, 5*3 bits language code (ISO-639-2/T) - char[] c = new char[3]; - c[0] = (char) (((l>>10)&31)+0x60); - c[1] = (char) (((l>>5)&31)+0x60); - c[2] = (char) ((l&31)+0x60); - return new String(c); - } + public static String getLanguageCode(long l) { + //1 bit padding, 5*3 bits language code (ISO-639-2/T) + char[] c = new char[3]; + c[0] = (char) (((l >> 10) & 31) + 0x60); + c[1] = (char) (((l >> 5) & 31) + 0x60); + c[2] = (char) ((l & 31) + 0x60); + return new String(c); + } - public static long detectUndetermined(long l) { - final long x; - if(l==UNDETERMINED) x = -1; - else x = l; - return x; - } + public static long detectUndetermined(long l) { + long x; + if (l == UNDETERMINED) x = -1; + else x = l; + return x; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/AppleLosslessBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/AppleLosslessBox.java index 636660a2..8e8b1c57 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/AppleLosslessBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/AppleLosslessBox.java @@ -1,68 +1,70 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + public class AppleLosslessBox extends FullBox { - private long maxSamplePerFrame, maxCodedFrameSize, bitRate, sampleRate; - private int sampleSize, historyMult, initialHistory, kModifier, channels; - - public AppleLosslessBox() { - super("Apple Lossless Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - maxSamplePerFrame = in.readBytes(4); - in.skipBytes(1); //? - sampleSize = in.read(); - historyMult = in.read(); - initialHistory = in.read(); - kModifier = in.read(); - channels = in.read(); - in.skipBytes(2); //? - maxCodedFrameSize = in.readBytes(4); - bitRate = in.readBytes(4); - sampleRate = in.readBytes(4); - } - - public long getMaxSamplePerFrame() { - return maxSamplePerFrame; - } - - public int getSampleSize() { - return sampleSize; - } - - public int getHistoryMult() { - return historyMult; - } - - public int getInitialHistory() { - return initialHistory; - } - - public int getkModifier() { - return kModifier; - } - - public int getChannels() { - return channels; - } - - public long getMaxCodedFrameSize() { - return maxCodedFrameSize; - } - - public long getBitRate() { - return bitRate; - } - - public long getSampleRate() { - return sampleRate; - } + private long maxSamplePerFrame, maxCodedFrameSize, bitRate, sampleRate; + private int sampleSize, historyMult, initialHistory, kModifier, channels; + + public AppleLosslessBox() { + super("Apple Lossless Box"); + } + + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + + maxSamplePerFrame = in.readBytes(4); + in.skipBytes(1); // ? + sampleSize = in.readByte(); + historyMult = in.readByte(); + initialHistory = in.readByte(); + kModifier = in.readByte(); + channels = in.readByte(); + in.skipBytes(2); // ? + maxCodedFrameSize = in.readBytes(4); + bitRate = in.readBytes(4); + sampleRate = in.readBytes(4); + } + + public long getMaxSamplePerFrame() { + return maxSamplePerFrame; + } + + public int getSampleSize() { + return sampleSize; + } + + public int getHistoryMult() { + return historyMult; + } + + public int getInitialHistory() { + return initialHistory; + } + + public int getkModifier() { + return kModifier; + } + + public int getChannels() { + return channels; + } + + public long getMaxCodedFrameSize() { + return maxCodedFrameSize; + } + + public long getBitRate() { + return bitRate; + } + + public long getSampleRate() { + return sampleRate; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/BinaryXMLBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/BinaryXMLBox.java index 7e7d71cf..989fae6d 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/BinaryXMLBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/BinaryXMLBox.java @@ -1,38 +1,40 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** - * When the primary data is in XML format and it is desired that the XML be + * When the primary data is in XML format, and it is desired that the XML be * stored directly in the meta-box, either the XMLBox or the BinaryXMLBox is * used. The Binary XML Box may only be used when there is a single well-defined * binarization of the XML for that defined format as identified by the handler. * - * @see XMLBox * @author in-somnia + * @see XMLBox */ public class BinaryXMLBox extends FullBox { - private byte[] data; + private byte[] data; - public BinaryXMLBox() { - super("Binary XML Box"); - } + public BinaryXMLBox() { + super("Binary XML Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - data = new byte[(int) getLeft(in)]; - in.readBytes(data); - } + data = new byte[(int) getLeft(in)]; + in.readBytes(data); + } - /** - * The binary data. - */ - public byte[] getData() { - return data; - } + /** + * The binary data. + */ + public byte[] getData() { + return data; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/BitRateBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/BitRateBox.java index d21d0679..40fa99ca 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/BitRateBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/BitRateBox.java @@ -1,45 +1,50 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.BoxImpl; + public class BitRateBox extends BoxImpl { - private long decodingBufferSize, maxBitrate, avgBitrate; - - public BitRateBox() { - super("Bitrate Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - decodingBufferSize = in.readBytes(4); - maxBitrate = in.readBytes(4); - avgBitrate = in.readBytes(4); - } - - /** - * Gives the size of the decoding buffer for the elementary stream in bytes. - * @return the decoding buffer size - */ - public long getDecodingBufferSize() { - return decodingBufferSize; - } - - /** - * Gives the maximum rate in bits/second over any window of one second. - * @return the maximum bitrate - */ - public long getMaximumBitrate() { - return maxBitrate; - } - - /** - * Gives the average rate in bits/second over the entire presentation. - * @return the average bitrate - */ - public long getAverageBitrate() { - return avgBitrate; - } + private long decodingBufferSize, maxBitrate, avgBitrate; + + public BitRateBox() { + super("Bitrate Box"); + } + + @Override + public void decode(MP4Input in) throws IOException { + decodingBufferSize = in.readBytes(4); + maxBitrate = in.readBytes(4); + avgBitrate = in.readBytes(4); + } + + /** + * Gives the size of the decoding buffer for the elementary stream in bytes. + * + * @return the decoding buffer size + */ + public long getDecodingBufferSize() { + return decodingBufferSize; + } + + /** + * Gives the maximum rate in bits/second over any window of one second. + * + * @return the maximum bitrate + */ + public long getMaximumBitrate() { + return maxBitrate; + } + + /** + * Gives the average rate in bits/second over the entire presentation. + * + * @return the average bitrate + */ + public long getAverageBitrate() { + return avgBitrate; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ChapterBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ChapterBox.java index 6f359b4e..c62b3c1d 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ChapterBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ChapterBox.java @@ -3,9 +3,11 @@ import java.io.IOException; import java.util.HashMap; import java.util.Map; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The chapter box allows to specify individual chapters along the main timeline * of a movie. The chapter box occurs within a movie box. @@ -15,38 +17,38 @@ */ public class ChapterBox extends FullBox { - private final Map chapters; - - public ChapterBox() { - super("Chapter Box"); - chapters = new HashMap(); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - in.skipBytes(4); //?? - - final int count = in.read(); - - long timestamp; - int len; - String name; - for(int i = 0; i getChapters() { - return chapters; - } + private final Map chapters; + + public ChapterBox() { + super("Chapter Box"); + chapters = new HashMap<>(); + } + + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + + in.skipBytes(4); //?? + + int count = in.readByte(); + + long timestamp; + int len; + String name; + for (int i = 0; i < count; i++) { + timestamp = in.readBytes(8); + len = in.readByte(); + name = in.readString(len); + chapters.put(timestamp, name); + } + } + + /** + * Returns a map that maps the timestamp of each chapter to its name. + * + * @return the chapters + */ + public Map getChapters() { + return chapters; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ChunkOffsetBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ChunkOffsetBox.java index 3e59713c..77cf5173 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ChunkOffsetBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ChunkOffsetBox.java @@ -1,32 +1,34 @@ package net.sourceforge.jaad.mp4.boxes.impl; +import java.io.IOException; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.BoxTypes; import net.sourceforge.jaad.mp4.boxes.FullBox; -import net.sourceforge.jaad.mp4.MP4InputStream; -import java.io.IOException; + public class ChunkOffsetBox extends FullBox { - private long[] chunks; + private long[] chunks; - public ChunkOffsetBox() { - super("Chunk Offset Box"); - } + public ChunkOffsetBox() { + super("Chunk Offset Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - final int len = (type==BoxTypes.CHUNK_LARGE_OFFSET_BOX) ? 8 : 4; - final int entryCount = (int) in.readBytes(4); - chunks = new long[entryCount]; + int len = (type == BoxTypes.CHUNK_LARGE_OFFSET_BOX) ? 8 : 4; + int entryCount = (int) in.readBytes(4); + chunks = new long[entryCount]; - for(int i = 0; i * The composition time to sample table is optional and must only be present if * DT and CT differ for any samples. - * + *

* Hint tracks do not use this box. - * + * * @author in-somnia */ public class CompositionTimeToSampleBox extends FullBox { - private long[] sampleCounts, sampleOffsets; - - public CompositionTimeToSampleBox() { - super("Time To Sample Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - final int entryCount = (int) in.readBytes(4); - sampleCounts = new long[entryCount]; - sampleOffsets = new long[entryCount]; - - for(int i = 0; i0) location = in.readUTFString((int) getLeft(in), MP4InputStream.UTF8); - } - } + inFile = (flags & 1) == 1; + if (!inFile) { + referenceName = in.readUTFString((int) getLeft(in), MP4Input.UTF8); + if (getLeft(in) > 0) location = in.readUTFString((int) getLeft(in), MP4Input.UTF8); + } + } - public boolean isInFile() { - return inFile; - } + public boolean isInFile() { + return inFile; + } - public String getReferenceName() { - return referenceName; - } + public String getReferenceName() { + return referenceName; + } - public String getLocation() { - return location; - } + public String getLocation() { + return location; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/DataReferenceBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/DataReferenceBox.java index 3fcd5f03..163e8e0e 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/DataReferenceBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/DataReferenceBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The data reference object contains a table of data references (normally URLs) * that declare the location(s) of the media data used within the presentation. @@ -11,21 +13,21 @@ * to the samples in the track. A track may be split over several sources in * this way. * The data entry is either a DataEntryUrnBox or a DataEntryUrlBox. - * + * * @author in-somnia */ public class DataReferenceBox extends FullBox { - public DataReferenceBox() { - super("Data Reference Box"); - } + public DataReferenceBox() { + super("Data Reference Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - final int entryCount = (int) in.readBytes(4); + int entryCount = (int) in.readBytes(4); - readChildren(in, entryCount); //DataEntryUrlBox, DataEntryUrnBox - } + readChildren(in, entryCount); //DataEntryUrlBox, DataEntryUrnBox + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/DecodingTimeToSampleBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/DecodingTimeToSampleBox.java index 1c5ed0d3..90f9800a 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/DecodingTimeToSampleBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/DecodingTimeToSampleBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; -import net.sourceforge.jaad.mp4.boxes.FullBox; -import net.sourceforge.jaad.mp4.MP4InputStream; import java.io.IOException; +import net.sourceforge.jaad.mp4.MP4Input; +import net.sourceforge.jaad.mp4.boxes.FullBox; + + /** * This box contains a compact version of a table that allows indexing from * decoding time to sample number. Other tables give sample sizes and pointers, @@ -20,36 +22,36 @@ * to the overall timescale, and not considering any edit list). * The Edit List Box provides the initial CT value if it is non-empty * (non-zero). - * + * * @author in-somnia */ public class DecodingTimeToSampleBox extends FullBox { - private long[] sampleCounts, sampleDeltas; - - public DecodingTimeToSampleBox() { - super("Time To Sample Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - final int entryCount = (int) in.readBytes(4); - sampleCounts = new long[entryCount]; - sampleDeltas = new long[entryCount]; - - for(int i = 0; iESDBox a * CodecSpecificBox may be present. - * + * * @author in-somnia */ public class ESDBox extends FullBox { - private ESDescriptor esd; + private ESDescriptor esd; + + public ESDBox() { + super("ESD Box"); + } - public ESDBox() { - super("ESD Box"); - } + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - esd = (ESDescriptor) ObjectDescriptor.createDescriptor(in); - } + esd = (ESDescriptor) ObjectDescriptor.createDescriptor(in); + } - public ESDescriptor getEntryDescriptor() { - return esd; - } + public ESDescriptor getEntryDescriptor() { + return esd; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/EditListBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/EditListBox.java index 7a135edf..9be6dc40 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/EditListBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/EditListBox.java @@ -1,24 +1,26 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * This box contains an explicit timeline map. Each entry defines part of the * track time-line: by mapping part of the media time-line, or by indicating * 'empty' time, or by defining a 'dwell', where a single time-point in the * media is held for a period. - * + *

* Starting offsets for tracks (streams) are represented by an initial empty * edit. For example, to play a track from its start for 30 seconds, but at 10 * seconds into the presentation, we have the following edit list: - * + *

* [0]: * Segment-duration = 10 seconds * Media-Time = -1 * Media-Rate = 1 - * + *

* [1]: * Segment-duration = 30 seconds (could be the length of the whole track) * Media-Time = 0 seconds @@ -26,61 +28,61 @@ */ public class EditListBox extends FullBox { - private long[] segmentDuration, mediaTime; - private double[] mediaRate; + private long[] segmentDuration, mediaTime; + private double[] mediaRate; - public EditListBox() { - super("Edit List Box"); - } + public EditListBox() { + super("Edit List Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - final int entryCount = (int) in.readBytes(4); - final int len = (version==1) ? 8 : 4; + int entryCount = (int) in.readBytes(4); + int len = (version == 1) ? 8 : 4; - segmentDuration = new long[entryCount]; - mediaTime = new long[entryCount]; - mediaRate = new double[entryCount]; + segmentDuration = new long[entryCount]; + mediaTime = new long[entryCount]; + mediaRate = new double[entryCount]; - for(int i = 0; i * This box when present within a Meta Box, declares the structure or format of * the 'meta' box contents. - * + *

* There is a general handler for metadata streams of any type; the specific * format is identified by the sample entry, as for video or audio, for example. * If they are in text, then a MIME format is supplied to document their format; * if in XML, each sample is a complete XML document, and the namespace of the * XML is also supplied. + * * @author in-somnia */ public class HandlerBox extends FullBox { - //ISO BMFF types - public static final int TYPE_VIDEO = 1986618469; //vide - public static final int TYPE_SOUND = 1936684398; //soun - public static final int TYPE_HINT = 1751740020; //hint - public static final int TYPE_META = 1835365473; //meta - public static final int TYPE_NULL = 1853189228; //null - //MP4 types - public static final int TYPE_ODSM = 1868854125; //odsm - public static final int TYPE_CRSM = 1668445037; //crsm - public static final int TYPE_SDSM = 1935962989; //sdsm - public static final int TYPE_M7SM = 1832350573; //m7sm - public static final int TYPE_OCSM = 1868788589; //ocsm - public static final int TYPE_IPSM = 1768977261; //ipsm - public static final int TYPE_MJSM = 1835692909; //mjsm - private long handlerType; - private String handlerName; + //ISO BMFF types + public static final int TYPE_VIDEO = 1986618469; //vide + public static final int TYPE_SOUND = 1936684398; //soun + public static final int TYPE_HINT = 1751740020; //hint + public static final int TYPE_META = 1835365473; //meta + public static final int TYPE_NULL = 1853189228; //null + //MP4 types + public static final int TYPE_ODSM = 1868854125; //odsm + public static final int TYPE_CRSM = 1668445037; //crsm + public static final int TYPE_SDSM = 1935962989; //sdsm + public static final int TYPE_M7SM = 1832350573; //m7sm + public static final int TYPE_OCSM = 1868788589; //ocsm + public static final int TYPE_IPSM = 1768977261; //ipsm + public static final int TYPE_MJSM = 1835692909; //mjsm + private long handlerType; + private String handlerName; - public HandlerBox() { - super("Handler Box"); - } + public HandlerBox() { + super("Handler Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - in.skipBytes(4); //pre-defined: 0 + in.skipBytes(4); //pre-defined: 0 - handlerType = in.readBytes(4); + handlerType = in.readBytes(4); - in.readBytes(4); //reserved - in.readBytes(4); //reserved - in.readBytes(4); //reserved + in.readBytes(4); //reserved + in.readBytes(4); //reserved + in.readBytes(4); //reserved - handlerName = in.readUTFString((int) getLeft(in), MP4InputStream.UTF8); - } + handlerName = in.readUTFString((int) getLeft(in), MP4Input.UTF8); + } - /** - * When present in a media box, the handler type is an integer containing - * one of the following values: - *

    - *
  • 'vide': Video track
    • - *
  • 'soun': Audio track
    • - *
  • 'hint': Hint track
    • - *
  • 'meta': Timed Metadata track
    • - *
- * - * When present in a meta box, it contains an appropriate value to indicate - * the format of the meta box contents. The value 'null' can be used in the - * primary meta box to indicate that it is merely being used to hold - * resources. - * - * @return the handler type - */ - public long getHandlerType() { - return handlerType; - } + /** + * When present in a media box, the handler type is an integer containing + * one of the following values: + *
    + *
  • 'vide': Video track
    • + *
  • 'soun': Audio track
    • + *
  • 'hint': Hint track
    • + *
  • 'meta': Timed Metadata track
    • + *
+ *

+ * When present in a meta box, it contains an appropriate value to indicate + * the format of the meta box contents. The value 'null' can be used in the + * primary meta box to indicate that it is merely being used to hold + * resources. + * + * @return the handler type + */ + public long getHandlerType() { + return handlerType; + } - /** - * The name gives a human-readable name for the track type (for debugging - * and inspection purposes). - * - * @return the handler type's name - */ - public String getHandlerName() { - return handlerName; - } + /** + * The name gives a human-readable name for the track type (for debugging + * and inspection purposes). + * + * @return the handler type's name + */ + public String getHandlerName() { + return handlerName; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/HintMediaHeaderBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/HintMediaHeaderBox.java index 2f35d0d2..552dbc38 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/HintMediaHeaderBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/HintMediaHeaderBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The hint media header contains general information, independent of the * protocol, for hint tracks. @@ -12,54 +14,54 @@ */ public class HintMediaHeaderBox extends FullBox { - private long maxPDUsize, avgPDUsize, maxBitrate, avgBitrate; + private long maxPDUsize, avgPDUsize, maxBitrate, avgBitrate; - public HintMediaHeaderBox() { - super("Hint Media Header Box"); - } + public HintMediaHeaderBox() { + super("Hint Media Header Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - maxPDUsize = in.readBytes(2); - avgPDUsize = in.readBytes(2); + maxPDUsize = in.readBytes(2); + avgPDUsize = in.readBytes(2); - maxBitrate = in.readBytes(4); - avgBitrate = in.readBytes(4); + maxBitrate = in.readBytes(4); + avgBitrate = in.readBytes(4); - in.skipBytes(4); //reserved - } + in.skipBytes(4); //reserved + } - /** - * The maximum PDU size gives the size in bytes of the largest PDU (protocol - * data unit) in this hint stream. - */ - public long getMaxPDUsize() { - return maxPDUsize; - } + /** + * The maximum PDU size gives the size in bytes of the largest PDU (protocol + * data unit) in this hint stream. + */ + public long getMaxPDUsize() { + return maxPDUsize; + } - /** - * The average PDU size gives the average size of a PDU over the entire - * presentation. - */ - public long getAveragePDUsize() { - return avgPDUsize; - } + /** + * The average PDU size gives the average size of a PDU over the entire + * presentation. + */ + public long getAveragePDUsize() { + return avgPDUsize; + } - /** - * The maximum bitrate gives the maximum rate in bits/second over any window - * of one second. - */ - public long getMaxBitrate() { - return maxBitrate; - } + /** + * The maximum bitrate gives the maximum rate in bits/second over any window + * of one second. + */ + public long getMaxBitrate() { + return maxBitrate; + } - /** - * The average bitrate gives the average rate in bits/second over the entire - * presentation. - */ - public long getAverageBitrate() { - return avgBitrate; - } + /** + * The average bitrate gives the average rate in bits/second over the entire + * presentation. + */ + public long getAverageBitrate() { + return avgBitrate; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/IPMPControlBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/IPMPControlBox.java index af22f7d1..54a6609e 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/IPMPControlBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/IPMPControlBox.java @@ -1,19 +1,21 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; import net.sourceforge.jaad.mp4.od.Descriptor; + /** * The IPMP Control Box may contain IPMP descriptors which may be referenced by * any stream in the file. - * + *

* The IPMP ToolListDescriptor is defined in ISO/IEC 14496-1, which conveys the * list of IPMP tools required to access the media streams in an ISO Base Media * File or meta-box, and may include a list of alternate IPMP tools or * parametric descriptions of tools required to access the content. - * + *

* The presence of IPMP Descriptor in this IPMPControlBox indicates that media * streams within the file or meta-box are protected by the IPMP Tool described * in the IPMP Descriptor. More than one IPMP Descriptors can be carried here, @@ -23,42 +25,42 @@ */ public class IPMPControlBox extends FullBox { - private /*IPMPToolList*/Descriptor toolList; - private /*IPMP*/Descriptor[] ipmpDescriptors; + private /*IPMPToolList*/ Descriptor toolList; + private /*IPMP*/ Descriptor[] ipmpDescriptors; - public IPMPControlBox() { - super("IPMP Control Box"); - } + public IPMPControlBox() { + super("IPMP Control Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - toolList = /*(IPMPToolListDescriptor)*/ Descriptor.createDescriptor(in); + toolList = /*(IPMPToolListDescriptor)*/ Descriptor.createDescriptor(in); - final int count = in.read(); + int count = in.readByte(); - ipmpDescriptors = new Descriptor[count]; - for(int i = 0; i * The IPMP Descriptor is defined in ISO/IEC 14496-1. This is a part of the * MPEG-4 object descriptors (OD) that describe how an object can be accessed * and decoded. In the ISO Base Media File Format, IPMP Descriptor can be * carried directly in IPMPInfoBox without the need for OD stream. - * + *

* The presence of IPMP Descriptor in this IPMPInfoBox indicates the associated * media stream is protected by the IPMP Tool described in the IPMP Descriptor. - * + *

* Each IPMP Descriptor has an IPMP-toolID, which identifies the required IPMP * tool for protection. An independent registration authority (RA) is used so * any party can register its own IPMP Tool and identify this without * collisions. - * + *

* The IPMP Descriptor carries IPMP information for one or more IPMP Tool * instances, it includes but not limited to IPMP Rights Data, IPMP Key Data, * Tool Configuration Data, etc. - * + *

* More than one IPMP Descriptors can be carried in this IPMPInfoBox if this * media stream is protected by more than one IPMP Tools. * @@ -37,30 +39,32 @@ */ public class IPMPInfoBox extends FullBox { - private List ipmpDescriptors; + private List ipmpDescriptors; - public IPMPInfoBox() { - super("IPMP Info Box"); - } + public IPMPInfoBox() { + super("IPMP Info Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - ipmpDescriptors = new ArrayList(); - /*IPMP*/Descriptor desc; - while(getLeft(in)>0) { - desc = (/*IPMP*/Descriptor) ObjectDescriptor.createDescriptor(in); - ipmpDescriptors.add(desc); - } - } + ipmpDescriptors = new ArrayList<>(); + /*IPMP*/ + Descriptor desc; + while (getLeft(in) > 0) { + /*IPMP*/ + desc = ObjectDescriptor.createDescriptor(in); + ipmpDescriptors.add(desc); + } + } - /** - * The contained list of IPMP descriptors. - * - * @return the IPMP descriptors - */ - public List getIPMPDescriptors() { - return Collections.unmodifiableList(ipmpDescriptors); - } + /** + * The contained list of IPMP descriptors. + * + * @return the IPMP descriptors + */ + public List getIPMPDescriptors() { + return Collections.unmodifiableList(ipmpDescriptors); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemInformationBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemInformationBox.java index 67dbcd55..c702df62 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemInformationBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemInformationBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The item information box provides extra information about selected items, * including symbolic ('file') names. It may optionally occur, but if it does, @@ -12,16 +14,16 @@ * protection are indicated for an item, a reader should first un-protect the * item, and then decode the item's content encoding. If more control is needed, * an IPMP sequence code may be used. - * + *

* This box contains an array of entries, and each entry is formatted as a box. * This array is sorted by increasing item ID in the entry records. - * + *

* Two versions of the item info entry are defined. Version 1 includes * additional information to version 0 as specified by an extension type. For * instance, it shall be used with extension type 'fdel' for items that are * referenced by the file partition box ('fpar'), which is defined for source * file partitionings and applies to file delivery transmissions. - * + *

* If no extension is desired, the box may terminate without the extension type * field and the extension; if, in addition, content encoding is not desired, * that field also may be absent and the box terminate before it. @@ -30,16 +32,16 @@ */ public class ItemInformationBox extends FullBox { - public ItemInformationBox() { - super("Item Information Box"); - } + public ItemInformationBox() { + super("Item Information Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - final int protectionCount = (int) in.readBytes(2); + int protectionCount = (int) in.readBytes(2); - readChildren(in, protectionCount); - } + readChildren(in, protectionCount); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemInformationEntry.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemInformationEntry.java index 74684fad..995bfb66 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemInformationEntry.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemInformationEntry.java @@ -1,205 +1,207 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + public class ItemInformationEntry extends FullBox { - private int itemID, itemProtectionIndex; - private String itemName, contentType, contentEncoding; - private long extensionType; - private Extension extension; - - public ItemInformationEntry() { - super("Item Information Entry"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - if((version==0)||(version==1)) { - itemID = (int) in.readBytes(2); - itemProtectionIndex = (int) in.readBytes(2); - itemName = in.readUTFString((int) getLeft(in), MP4InputStream.UTF8); - contentType = in.readUTFString((int) getLeft(in), MP4InputStream.UTF8); - contentEncoding = in.readUTFString((int) getLeft(in), MP4InputStream.UTF8); //optional - } - if(version==1&&getLeft(in)>0) { - //optional - extensionType = in.readBytes(4); - if(getLeft(in)>0) { - extension = Extension.forType((int) extensionType); - if(extension!=null) extension.decode(in); - } - } - } - - /** - * The item ID contains either 0 for the primary resource (e.g., the XML - * contained in an 'xml ' box) or the ID of the item for which the following - * information is defined. - * - * @return the item ID - */ - public int getItemID() { - return itemID; - } - - /** - * The item protection index contains either 0 for an unprotected item, or - * the one-based index into the item protection box defining the protection - * applied to this item (the first box in the item protection box has the - * index 1). - * - * @return the item protection index - */ - public int getItemProtectionIndex() { - return itemProtectionIndex; - } - - /** - * The item name is a String containing a symbolic name of the item (source - * file for file delivery transmissions). - * - * @return the item name - */ - public String getItemName() { - return itemName; - } - - /** - * The content type is a String with the MIME type of the item. If the item - * is content encoded (see below), then the content type refers to the item - * after content decoding. - * - * @return the content type - */ - public String getContentType() { - return contentType; - } - - /** - * The content encoding is an optional String used to indicate that the - * binary file is encoded and needs to be decoded before interpreted. The - * values are as defined for Content-Encoding for HTTP/1.1. Some possible - * values are "gzip", "compress" and "deflate". An empty string indicates no - * content encoding. Note that the item is stored after the content encoding - * has been applied. - * - * @return the content encoding - */ - public String getContentEncoding() { - return contentEncoding; - } - - /** - * The extension type is a printable four-character code that identifies the - * extension fields of version 1 with respect to version 0 of the item - * information entry. - * - * @return the extension type - */ - public long getExtensionType() { - return extensionType; - } - - /** - * Returns the extension. - */ - public Extension getExtension() { - return extension; - } - - public abstract static class Extension { - - private static final int TYPE_FDEL = 1717855596; //fdel - - static Extension forType(int type) { - final Extension ext; - switch(type) { - case Extension.TYPE_FDEL: - ext = new FDExtension(); - break; - default: - ext = null; - } - return ext; - } - - abstract void decode(MP4InputStream in) throws IOException; - } - - public static class FDExtension extends Extension { - - private String contentLocation, contentMD5; - private long contentLength, transferLength; - private long[] groupID; - - @Override - void decode(MP4InputStream in) throws IOException { - contentLocation = in.readUTFString(100, MP4InputStream.UTF8); - contentMD5 = in.readUTFString(100, MP4InputStream.UTF8); - - contentLength = in.readBytes(8); - transferLength = in.readBytes(8); - - final int entryCount = in.read(); - groupID = new long[entryCount]; - for(int i = 0; i 0) { + //optional + extensionType = in.readBytes(4); + if (getLeft(in) > 0) { + extension = Extension.forType((int) extensionType); + if (extension != null) extension.decode(in); + } + } + } + + /** + * The item ID contains either 0 for the primary resource (e.g., the XML + * contained in an 'xml ' box) or the ID of the item for which the following + * information is defined. + * + * @return the item ID + */ + public int getItemID() { + return itemID; + } + + /** + * The item protection index contains either 0 for an unprotected item, or + * the one-based index into the item protection box defining the protection + * applied to this item (the first box in the item protection box has the + * index 1). + * + * @return the item protection index + */ + public int getItemProtectionIndex() { + return itemProtectionIndex; + } + + /** + * The item name is a String containing a symbolic name of the item (source + * file for file delivery transmissions). + * + * @return the item name + */ + public String getItemName() { + return itemName; + } + + /** + * The content type is a String with the MIME type of the item. If the item + * is content encoded (see below), then the content type refers to the item + * after content decoding. + * + * @return the content type + */ + public String getContentType() { + return contentType; + } + + /** + * The content encoding is an optional String used to indicate that the + * binary file is encoded and needs to be decoded before interpreted. The + * values are as defined for Content-Encoding for HTTP/1.1. Some possible + * values are "gzip", "compress" and "deflate". An empty string indicates no + * content encoding. Note that the item is stored after the content encoding + * has been applied. + * + * @return the content encoding + */ + public String getContentEncoding() { + return contentEncoding; + } + + /** + * The extension type is a printable four-character code that identifies the + * extension fields of version 1 with respect to version 0 of the item + * information entry. + * + * @return the extension type + */ + public long getExtensionType() { + return extensionType; + } + + /** + * Returns the extension. + */ + public Extension getExtension() { + return extension; + } + + public abstract static class Extension { + + private static final int TYPE_FDEL = 1717855596; //fdel + + static Extension forType(int type) { + Extension ext; + switch (type) { + case Extension.TYPE_FDEL: + ext = new FDExtension(); + break; + default: + ext = null; + } + return ext; + } + + abstract void decode(MP4Input in) throws IOException; + } + + public static class FDExtension extends Extension { + + private String contentLocation, contentMD5; + private long contentLength, transferLength; + private long[] groupID; + + @Override + void decode(MP4Input in) throws IOException { + contentLocation = in.readUTFString(100, MP4Input.UTF8); + contentMD5 = in.readUTFString(100, MP4Input.UTF8); + + contentLength = in.readBytes(8); + transferLength = in.readBytes(8); + + int entryCount = in.readByte(); + groupID = new long[entryCount]; + for (int i = 0; i < entryCount; i++) { + groupID[i] = in.readBytes(4); + } + } + + /** + * The content location is a String in containing the URI of the file as + * defined in HTTP/1.1 (RFC 2616). + * + * @return the content location + */ + public String getContentLocation() { + return contentLocation; + } + + /** + * The content MD5 is a string containing an MD5 digest of the file. See + * HTTP/1.1 (RFC 2616) and RFC 1864. + * + * @return the content MD5 + */ + public String getContentMD5() { + return contentMD5; + } + + /** + * The total length (in bytes) of the (un-encoded) file. + * + * @return the content length + */ + public long getContentLength() { + return contentLength; + } + + /** + * The transfer length is the total length (in bytes) of the (encoded) + * file. Note that transfer length is equal to content length if no + * content encoding is applied (see above). + * + * @return the transfer length + */ + public long getTransferLength() { + return transferLength; + } + + /** + * The group ID indicates a file group to which the file item (source + * file) belongs. See 3GPP TS 26.346 for more details on file groups. + * + * @return the group IDs + */ + public long[] getGroupID() { + return groupID; + } + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemLocationBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemLocationBox.java index 120d1f71..6cb296e7 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemLocationBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemLocationBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The item location box provides a directory of resources in this or other * files, by locating their containing file, their offset within that file, and @@ -12,7 +14,7 @@ * (handler) used. For example, a system might integrate all the externally * referenced metadata resources into one file, re-adjusting file offsets and * file references accordingly. - * + *

* Items may be stored fragmented into extents, e.g. to enable interleaving. An * extent is a contiguous subset of the bytes of the resource; the resource is * formed by concatenating the extents. If only one extent is used then either @@ -25,12 +27,12 @@ * items divided into more than one extent, should have an explicit offset and * length, or use a MIME type requiring a different interpretation of the file, * to avoid infinite recursion. - * + *

* The size of the item is the sum of the extent lengths. - * + *

* The data-reference index may take the value 0, indicating a reference into * the same file as this metadata, or an index into the data-reference table. - * + *

* Some referenced data may itself use offset/length techniques to address * resources within it (e.g. an MP4 file might be 'included' in this way). * Normally such offsets are relative to the beginning of the containing file. @@ -44,99 +46,98 @@ */ public class ItemLocationBox extends FullBox { - private int[] itemID, dataReferenceIndex; - private long[] baseOffset; - private long[][] extentOffset, extentLength; + private int[] itemID, dataReferenceIndex; + private long[] baseOffset; + private long[][] extentOffset, extentLength; - public ItemLocationBox() { - super("Item Location Box"); - } + public ItemLocationBox() { + super("Item Location Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); /*4 bits offsetSize 4 bits lengthSize 4 bits baseOffsetSize 4 bits reserved */ - long l = in.readBytes(2); - final int offsetSize = (int) (l>>12)&0xF; - final int lengthSize = (int) (l>>8)&0xF; - final int baseOffsetSize = (int) (l>>4)&0xF; - - final int itemCount = (int) in.readBytes(2); - dataReferenceIndex = new int[itemCount]; - baseOffset = new long[itemCount]; - extentOffset = new long[itemCount][]; - extentLength = new long[itemCount][]; - - int j, extentCount; - for(int i = 0; i> 12) & 0xF; + int lengthSize = (int) (l >> 8) & 0xF; + int baseOffsetSize = (int) (l >> 4) & 0xF; + + int itemCount = (int) in.readBytes(2); + dataReferenceIndex = new int[itemCount]; + baseOffset = new long[itemCount]; + extentOffset = new long[itemCount][]; + extentLength = new long[itemCount][]; + + for (int i = 0; i < itemCount; i++) { + itemID[i] = (int) in.readBytes(2); + dataReferenceIndex[i] = (int) in.readBytes(2); + baseOffset[i] = in.readBytes(baseOffsetSize); + + int extentCount = (int) in.readBytes(2); + extentOffset[i] = new long[extentCount]; + extentLength[i] = new long[extentCount]; + + for (int j = 0; j < extentCount; j++) { + extentOffset[i][j] = in.readBytes(offsetSize); + extentLength[i][j] = in.readBytes(lengthSize); + } + } + } + + /** + * The item ID is an arbitrary integer 'name' for this resource which can be + * used to refer to it (e.g. in a URL). + * + * @return the item ID + */ + public int[] getItemID() { + return itemID; + } + + /** + * The data reference index is either zero ('this file') or a 1-based index + * into the data references in the data information box. + * + * @return the data reference index + */ + public int[] getDataReferenceIndex() { + return dataReferenceIndex; + } + + /** + * The base offset provides a base value for offset calculations within the + * referenced data. + * + * @return the base offsets for all items + */ + public long[] getBaseOffset() { + return baseOffset; + } + + /** + * The extent offset provides the absolute offset in bytes from the + * beginning of the containing file, of this item. + * + * @return the offsets for all extents in all items + */ + public long[][] getExtentOffset() { + return extentOffset; + } + + /** + * The extends length provides the absolute length in bytes of this metadata + * item. If the value is 0, then length of the item is the length of the + * entire referenced file. + * + * @return the lengths for all extends in all items + */ + public long[][] getExtentLength() { + return extentLength; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemProtectionBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemProtectionBox.java index 84952ce7..9b039b12 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemProtectionBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ItemProtectionBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The item protection box provides an array of item protection information, for * use by the Item Information Box. @@ -12,16 +14,16 @@ */ public class ItemProtectionBox extends FullBox { - public ItemProtectionBox() { - super("Item Protection Box"); - } + public ItemProtectionBox() { + super("Item Protection Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - final int protectionCount = (int) in.readBytes(2); + int protectionCount = (int) in.readBytes(2); - readChildren(in, protectionCount); - } + readChildren(in, protectionCount); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MediaDataBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MediaDataBox.java index f6532536..7ee66a03 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MediaDataBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MediaDataBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; -import net.sourceforge.jaad.mp4.boxes.BoxImpl; -import net.sourceforge.jaad.mp4.MP4InputStream; import java.io.IOException; +import net.sourceforge.jaad.mp4.MP4Input; +import net.sourceforge.jaad.mp4.boxes.BoxImpl; + + /** * The Media Data Box contains the media data. In video tracks, this box would * contain video frames. A presentation may contain zero or more Media Data @@ -12,16 +14,17 @@ * There may be any number of these boxes in the file (including zero, if all * the media data is in other files). The metadata refers to media data by its * absolute offset within the file. + * * @author in-somnia */ public class MediaDataBox extends BoxImpl { - public MediaDataBox() { - super("Media Data Box"); - } + public MediaDataBox() { + super("Media Data Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - //if random access: skip, else: do nothing - } + @Override + public void decode(MP4Input in) throws IOException { + //if random access: skip, else: do nothing + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MediaHeaderBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MediaHeaderBox.java index d25d66c6..fa295302 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MediaHeaderBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MediaHeaderBox.java @@ -1,82 +1,88 @@ package net.sourceforge.jaad.mp4.boxes.impl; -import net.sourceforge.jaad.mp4.boxes.FullBox; -import net.sourceforge.jaad.mp4.MP4InputStream; import java.io.IOException; + +import net.sourceforge.jaad.mp4.MP4Input; +import net.sourceforge.jaad.mp4.boxes.FullBox; import net.sourceforge.jaad.mp4.boxes.Utils; + /** * The media header declares overall information that is media-independent, and relevant to characteristics of * the media in a track. */ public class MediaHeaderBox extends FullBox { - private long creationTime, modificationTime, timeScale, duration; - private String language; + private long creationTime, modificationTime, timeScale, duration; + private String language; + + public MediaHeaderBox() { + super("Media Header Box"); + } - public MediaHeaderBox() { - super("Media Header Box"); - } + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - final int len = (version==1) ? 8 : 4; - creationTime = in.readBytes(len); - modificationTime = in.readBytes(len); - timeScale = in.readBytes(4); - duration = Utils.detectUndetermined(in.readBytes(len)); + int len = (version == 1) ? 8 : 4; + creationTime = in.readBytes(len); + modificationTime = in.readBytes(len); + timeScale = in.readBytes(4); + duration = Utils.detectUndetermined(in.readBytes(len)); - language = Utils.getLanguageCode(in.readBytes(2)); + language = Utils.getLanguageCode(in.readBytes(2)); - in.skipBytes(2); //pre-defined: 0 - } + in.skipBytes(2); //pre-defined: 0 + } - /** - * The creation time is an integer that declares the creation time of the - * presentation in seconds since midnight, Jan. 1, 1904, in UTC time. - * @return the creation time - */ - public long getCreationTime() { - return creationTime; - } + /** + * The creation time is an integer that declares the creation time of the + * presentation in seconds since midnight, Jan. 1, 1904, in UTC time. + * + * @return the creation time + */ + public long getCreationTime() { + return creationTime; + } - /** - * The modification time is an integer that declares the most recent time - * the presentation was modified in seconds since midnight, Jan. 1, 1904, - * in UTC time. - */ - public long getModificationTime() { - return modificationTime; - } + /** + * The modification time is an integer that declares the most recent time + * the presentation was modified in seconds since midnight, Jan. 1, 1904, + * in UTC time. + */ + public long getModificationTime() { + return modificationTime; + } - /** - * The time-scale is an integer that specifies the time-scale for this - * media; this is the number of time units that pass in one second. For - * example, a time coordinate system that measures time in sixtieths of a - * second has a time scale of 60. - * @return the time-scale - */ - public long getTimeScale() { - return timeScale; - } + /** + * The time-scale is an integer that specifies the time-scale for this + * media; this is the number of time units that pass in one second. For + * example, a time coordinate system that measures time in sixtieths of a + * second has a time scale of 60. + * + * @return the time-scale + */ + public long getTimeScale() { + return timeScale; + } - /** - * The duration is an integer that declares the duration of this media (in - * the scale of the timescale). If the duration cannot be determined then - * duration is set to -1. - * @return the duration of this media - */ - public long getDuration() { - return duration; - } + /** + * The duration is an integer that declares the duration of this media (in + * the scale of the timescale). If the duration cannot be determined then + * duration is set to -1. + * + * @return the duration of this media + */ + public long getDuration() { + return duration; + } - /** - * Language code for this media as defined in ISO 639-2/T. - * @return the language code - */ - public String getLanguage() { - return language; - } + /** + * Language code for this media as defined in ISO 639-2/T. + * + * @return the language code + */ + public String getLanguage() { + return language; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MetaBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MetaBox.java index f6c34ad2..17fa51f4 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MetaBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MetaBox.java @@ -1,28 +1,50 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; +import net.sourceforge.jaad.mp4.boxes.Box; +import net.sourceforge.jaad.mp4.boxes.BoxFactory; import net.sourceforge.jaad.mp4.boxes.BoxTypes; import net.sourceforge.jaad.mp4.boxes.FullBox; + //needs to be defined, because readChildren() is not called by factory /* TODO: this class shouldn't be needed. at least here, things become too complicated. change this!!! */ public class MetaBox extends FullBox { - public MetaBox() { - super("Meta Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - // some encoders (such as Android's MexiaMuxer) do not include - // the version and flags fields in the meta box, instead going - // directly to the hdlr box - long possibleType = in.peekBytes(8) & 0xFFFFFFFFL; - if(possibleType != BoxTypes.HANDLER_BOX){ - super.decode(in); - } - readChildren(in); - } + public MetaBox() { + super("Meta Box"); + } + + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + readChildren(in); + } + + @Override + protected Box parseBox(MP4Input in) throws IOException { + + long offset = in.getOffset(); + long size = in.readBytes(4); + long type = in.readBytes(4); + + // some encoders (such as Android's MexiaMuxer) do not include + // the version and flags fields in the meta box, instead going + // directly to the hdlr box. + // Indication of it that size already contains the type. + // Shift back all parameters by 4 bytes: type <- size <- version:flags <- 0 + + if(children.isEmpty() && size==BoxTypes.HANDLER_BOX) { + offset -= 4; + type = size; + size = (version&(2L*Integer.MAX_VALUE+1))<<24; + size += flags; + version=flags=0; + } + + return BoxFactory.parseBox(this, offset, size, type, in); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MetaBoxRelationBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MetaBoxRelationBox.java index aab50360..4c99c084 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MetaBoxRelationBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MetaBoxRelationBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The metabox relation box indicates a relation between two meta boxes at the * same level, i.e., the top level of the file, the Movie Box, or Track Box. The @@ -15,58 +17,58 @@ */ public class MetaBoxRelationBox extends FullBox { - private long firstMetaboxHandlerType, secondMetaboxHandlerType; - private int metaboxRelation; + private long firstMetaboxHandlerType, secondMetaboxHandlerType; + private int metaboxRelation; - public MetaBoxRelationBox() { - super("Meta Box Relation Box"); - } + public MetaBoxRelationBox() { + super("Meta Box Relation Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - firstMetaboxHandlerType = in.readBytes(4); - secondMetaboxHandlerType = in.readBytes(4); - metaboxRelation = in.read(); - } + firstMetaboxHandlerType = in.readBytes(4); + secondMetaboxHandlerType = in.readBytes(4); + metaboxRelation = in.readByte(); + } - /** - * The first meta box to be related. - */ - public long getFirstMetaboxHandlerType() { - return firstMetaboxHandlerType; - } + /** + * The first meta box to be related. + */ + public long getFirstMetaboxHandlerType() { + return firstMetaboxHandlerType; + } - /** - * The second meta box to be related. - */ - public long getSecondMetaboxHandlerType() { - return secondMetaboxHandlerType; - } + /** + * The second meta box to be related. + */ + public long getSecondMetaboxHandlerType() { + return secondMetaboxHandlerType; + } - /** - * The metabox relation indicates the relation between the two meta boxes. - * The following values are defined: - *

    - *
  1. The relationship between the boxes is unknown (which is the default - * when this box is not present)
    2. - *
  2. the two boxes are semantically un-related (e.g., one is presentation, - * the other annotation)
    3. - *
  3. the two boxes are semantically related but complementary (e.g., two - * disjoint sets of meta-data expressed in two different meta-data systems) - *
    4. - *
  4. the two boxes are semantically related but overlap (e.g., two sets of - * meta-data neither of which is a subset of the other); neither is - * 'preferred' to the other
    5. - *
  5. the two boxes are semantically related but the second is a proper - * subset or weaker version of the first; the first is preferred
    6. - *
  6. the two boxes are semantically related and equivalent (e.g., two - * essentially identical sets of meta-data expressed in two different - * meta-data systems)
    7. - *
- */ - public int getMetaboxRelation() { - return metaboxRelation; - } + /** + * The metabox relation indicates the relation between the two meta boxes. + * The following values are defined: + *
    + *
  1. The relationship between the boxes is unknown (which is the default + * when this box is not present)
    2. + *
  2. the two boxes are semantically un-related (e.g., one is presentation, + * the other annotation)
    3. + *
  3. the two boxes are semantically related but complementary (e.g., two + * disjoint sets of meta-data expressed in two different meta-data systems) + *
    4. + *
  4. the two boxes are semantically related but overlap (e.g., two sets of + * meta-data neither of which is a subset of the other); neither is + * 'preferred' to the other
    5. + *
  5. the two boxes are semantically related but the second is a proper + * subset or weaker version of the first; the first is preferred
    6. + *
  6. the two boxes are semantically related and equivalent (e.g., two + * essentially identical sets of meta-data expressed in two different + * meta-data systems)
    7. + *
+ */ + public int getMetaboxRelation() { + return metaboxRelation; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieExtendsHeaderBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieExtendsHeaderBox.java index 9d030066..fa90fdb0 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieExtendsHeaderBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieExtendsHeaderBox.java @@ -1,44 +1,46 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The Movie Extends Header is optional, and provides the overall duration, * including fragments, of a fragmented movie. If this box is not present, the * overall duration must be computed by examining each fragment. - * + * * @author in-somnia */ public class MovieExtendsHeaderBox extends FullBox { - private long fragmentDuration; - - public MovieExtendsHeaderBox() { - super("Movie Extends Header Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - final int len = (version==1) ? 8 : 4; - fragmentDuration = in.readBytes(len); - } - - /** - * The fragment duration is an integer that declares length of the - * presentation of the whole movie including fragments (in the timescale - * indicated in the Movie Header Box). The value of this field corresponds - * to the duration of the longest track, including movie fragments. If an - * MP4 file is created in real-time, such as used in live streaming, it is - * not likely that the fragment duration is known in advance and this box - * may be omitted. - * - * @return the fragment duration - */ - public long getFragmentDuration() { - return fragmentDuration; - } + private long fragmentDuration; + + public MovieExtendsHeaderBox() { + super("Movie Extends Header Box"); + } + + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + + int len = (version == 1) ? 8 : 4; + fragmentDuration = in.readBytes(len); + } + + /** + * The fragment duration is an integer that declares length of the + * presentation of the whole movie including fragments (in the timescale + * indicated in the Movie Header Box). The value of this field corresponds + * to the duration of the longest track, including movie fragments. If an + * MP4 file is created in real-time, such as used in live streaming, it is + * not likely that the fragment duration is known in advance and this box + * may be omitted. + * + * @return the fragment duration + */ + public long getFragmentDuration() { + return fragmentDuration; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieFragmentHeaderBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieFragmentHeaderBox.java index faa3637d..bac33733 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieFragmentHeaderBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieFragmentHeaderBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The movie fragment header contains a sequence number, as a safety check. The * sequence number usually starts at 1 and must increase for each movie fragment @@ -13,23 +15,23 @@ */ public class MovieFragmentHeaderBox extends FullBox { - private long sequenceNumber; + private long sequenceNumber; - public MovieFragmentHeaderBox() { - super("Movie Fragment Header Box"); - } + public MovieFragmentHeaderBox() { + super("Movie Fragment Header Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - sequenceNumber = in.readBytes(4); - } + sequenceNumber = in.readBytes(4); + } - /** - * The ordinal number of this fragment, in increasing order. - */ - public long getSequenceNumber() { - return sequenceNumber; - } + /** + * The ordinal number of this fragment, in increasing order. + */ + public long getSequenceNumber() { + return sequenceNumber; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieFragmentRandomAccessOffsetBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieFragmentRandomAccessOffsetBox.java index d2761753..0bdd7d91 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieFragmentRandomAccessOffsetBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieFragmentRandomAccessOffsetBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The Movie Fragment Random Access Offset Box provides a copy of the length * field from the enclosing Movie Fragment Random Access Box. It is placed last @@ -17,20 +19,20 @@ */ public class MovieFragmentRandomAccessOffsetBox extends FullBox { - private long byteSize; + private long byteSize; - public MovieFragmentRandomAccessOffsetBox() { - super("Movie Fragment Random Access Offset Box"); - } + public MovieFragmentRandomAccessOffsetBox() { + super("Movie Fragment Random Access Offset Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - byteSize = in.readBytes(4); - } + byteSize = in.readBytes(4); + } - public long getByteSize() { - return byteSize; - } + public long getByteSize() { + return byteSize; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieHeaderBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieHeaderBox.java index 5b7e53b1..46e7d7ac 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieHeaderBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/MovieHeaderBox.java @@ -1,142 +1,151 @@ package net.sourceforge.jaad.mp4.boxes.impl; -import net.sourceforge.jaad.mp4.boxes.FullBox; -import net.sourceforge.jaad.mp4.MP4InputStream; import java.io.IOException; + +import net.sourceforge.jaad.mp4.MP4Input; +import net.sourceforge.jaad.mp4.boxes.FullBox; import net.sourceforge.jaad.mp4.boxes.Utils; + /** * The movie header box defines overall information which is media-independent, * and relevant to the entire presentation considered as a whole. + * * @author in-somnia */ public class MovieHeaderBox extends FullBox { - private long creationTime, modificationTime, timeScale, duration; - private double rate, volume; - private double[] matrix; - private long nextTrackID; - - public MovieHeaderBox() { - super("Movie Header Box"); - matrix = new double[9]; - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - final int len = (version==1) ? 8 : 4; - creationTime = in.readBytes(len); - modificationTime = in.readBytes(len); - timeScale = in.readBytes(4); - duration = Utils.detectUndetermined(in.readBytes(len)); - - rate = in.readFixedPoint(16, 16); - volume = in.readFixedPoint(8, 8); - - in.skipBytes(10); //reserved - - for(int i = 0; i<9; i++) { - if(i<6) matrix[i] = in.readFixedPoint(16, 16); - else matrix[i] = in.readFixedPoint(2, 30); - } - - in.skipBytes(24); //reserved - - nextTrackID = in.readBytes(4); - } - - /** - * The creation time is an integer that declares the creation time of the - * presentation in seconds since midnight, Jan. 1, 1904, in UTC time. - * @return the creation time - */ - public long getCreationTime() { - return creationTime; - } - - /** - * The modification time is an integer that declares the most recent time - * the presentation was modified in seconds since midnight, Jan. 1, 1904, - * in UTC time. - */ - public long getModificationTime() { - return modificationTime; - } - - /** - * The time-scale is an integer that specifies the time-scale for the entire - * presentation; this is the number of time units that pass in one second. - * For example, a time coordinate system that measures time in sixtieths of - * a second has a time scale of 60. - * @return the time-scale - */ - public long getTimeScale() { - return timeScale; - } - - /** - * The duration is an integer that declares length of the presentation (in - * the indicated timescale). This property is derived from the - * presentation's tracks: the value of this field corresponds to the - * duration of the longest track in the presentation. If the duration cannot - * be determined then duration is set to -1. - * @return the duration of the longest track - */ - public long getDuration() { - return duration; - } - - /** - * The rate is a floting point number that indicates the preferred rate - * to play the presentation; 1.0 is normal forward playback - * @return the playback rate - */ - public double getRate() { - return rate; - } - - /** - * The volume is a floating point number that indicates the preferred - * playback volume: 0.0 is mute, 1.0 is normal volume. - * @return the volume - */ - public double getVolume() { - return volume; - } - - /** - * Provides a transformation matrix for the video: - * [A,B,U,C,D,V,X,Y,W] - * A: width scale - * B: width rotate - * U: width angle - * C: height rotate - * D: height scale - * V: height angle - * X: position from left - * Y: position from top - * W: divider scale (restricted to 1.0) - * - * The normal values for scale are 1.0 and for rotate 0.0. - * The angles are restricted to 0.0. - * - * @return the transformation matrix for the video - */ - public double[] getTransformationMatrix() { - return matrix; - } - - /** - * The next-track-ID is a non-zero integer that indicates a value to use - * for the track ID of the next track to be added to this presentation. Zero - * is not a valid track ID value. The value shall be larger than the largest - * track-ID in use. If this value is equal to all 1s (32-bit), and a new - * media track is to be added, then a search must be made in the file for an - * unused track identifier. - * @return the ID for the next track - */ - public long getNextTrackID() { - return nextTrackID; - } + private long creationTime, modificationTime, timeScale, duration; + private double rate, volume; + private double[] matrix; + private long nextTrackID; + + public MovieHeaderBox() { + super("Movie Header Box"); + matrix = new double[9]; + } + + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + int len = (version == 1) ? 8 : 4; + creationTime = in.readBytes(len); + modificationTime = in.readBytes(len); + timeScale = in.readBytes(4); + duration = Utils.detectUndetermined(in.readBytes(len)); + + rate = in.readFixedPoint(16, 16); + volume = in.readFixedPoint(8, 8); + + in.skipBytes(10); //reserved + + for (int i = 0; i < 9; i++) { + if (i < 6) matrix[i] = in.readFixedPoint(16, 16); + else matrix[i] = in.readFixedPoint(2, 30); + } + + in.skipBytes(24); //reserved + + nextTrackID = in.readBytes(4); + } + + /** + * The creation time is an integer that declares the creation time of the + * presentation in seconds since midnight, Jan. 1, 1904, in UTC time. + * + * @return the creation time + */ + public long getCreationTime() { + return creationTime; + } + + /** + * The modification time is an integer that declares the most recent time + * the presentation was modified in seconds since midnight, Jan. 1, 1904, + * in UTC time. + */ + public long getModificationTime() { + return modificationTime; + } + + /** + * The time-scale is an integer that specifies the time-scale for the entire + * presentation; this is the number of time units that pass in one second. + * For example, a time coordinate system that measures time in sixtieths of + * a second has a time scale of 60. + * + * @return the time-scale + */ + public long getTimeScale() { + return timeScale; + } + + /** + * The duration is an integer that declares length of the presentation (in + * the indicated timescale). This property is derived from the + * presentation's tracks: the value of this field corresponds to the + * duration of the longest track in the presentation. If the duration cannot + * be determined then duration is set to -1. + * + * @return the duration of the longest track + */ + public long getDuration() { + return duration; + } + + /** + * The rate is a floting point number that indicates the preferred rate + * to play the presentation; 1.0 is normal forward playback + * + * @return the playback rate + */ + public double getRate() { + return rate; + } + + /** + * The volume is a floating point number that indicates the preferred + * playback volume: 0.0 is mute, 1.0 is normal volume. + * + * @return the volume + */ + public double getVolume() { + return volume; + } + + /** + * Provides a transformation matrix for the video: + * [A,B,U,C,D,V,X,Y,W] + * A: width scale + * B: width rotate + * U: width angle + * C: height rotate + * D: height scale + * V: height angle + * X: position from left + * Y: position from top + * W: divider scale (restricted to 1.0) + *

+ * The normal values for scale are 1.0 and for rotate 0.0. + * The angles are restricted to 0.0. + * + * @return the transformation matrix for the video + */ + public double[] getTransformationMatrix() { + return matrix; + } + + /** + * The next-track-ID is a non-zero integer that indicates a value to use + * for the track ID of the next track to be added to this presentation. Zero + * is not a valid track ID value. The value shall be larger than the largest + * track-ID in use. If this value is equal to all 1s (32-bit), and a new + * media track is to be added, then a search must be made in the file for an + * unused track identifier. + * + * @return the ID for the next track + */ + public long getNextTrackID() { + return nextTrackID; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ObjectDescriptorBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ObjectDescriptorBox.java index f13c844d..17fba78f 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ObjectDescriptorBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ObjectDescriptorBox.java @@ -1,25 +1,27 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; import net.sourceforge.jaad.mp4.od.Descriptor; + public class ObjectDescriptorBox extends FullBox { - private Descriptor objectDescriptor; + private Descriptor objectDescriptor; - public ObjectDescriptorBox() { - super("Object Descriptor Box"); - } + public ObjectDescriptorBox() { + super("Object Descriptor Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - objectDescriptor = Descriptor.createDescriptor(in); - } + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + objectDescriptor = Descriptor.createDescriptor(in); + } - public Descriptor getObjectDescriptor() { - return objectDescriptor; - } + public Descriptor getObjectDescriptor() { + return objectDescriptor; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/OriginalFormatBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/OriginalFormatBox.java index 4fee9bdb..a835ad4c 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/OriginalFormatBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/OriginalFormatBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.BoxImpl; + /** * The Original Format Box contains the four-character-code of the original * un-transformed sample description. @@ -12,25 +14,25 @@ */ public class OriginalFormatBox extends BoxImpl { - private long originalFormat; - - public OriginalFormatBox() { - super("Original Format Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - originalFormat = in.readBytes(4); - } - - /** - * The original format is the four-character-code of the original - * un-transformed sample entry (e.g. 'mp4v' if the stream contains protected - * MPEG-4 visual material). - * - * @return the stream's original format - */ - public long getOriginalFormat() { - return originalFormat; - } + private long originalFormat; + + public OriginalFormatBox() { + super("Original Format Box"); + } + + @Override + public void decode(MP4Input in) throws IOException { + originalFormat = in.readBytes(4); + } + + /** + * The original format is the four-character-code of the original + * un-transformed sample entry (e.g. 'mp4v' if the stream contains protected + * MPEG-4 visual material). + * + * @return the stream's original format + */ + public long getOriginalFormat() { + return originalFormat; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PaddingBitBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PaddingBitBox.java index 9713df55..67f8e28f 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PaddingBitBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PaddingBitBox.java @@ -1,58 +1,60 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * In some streams the media samples do not occupy all bits of the bytes given * by the sample size, and are padded at the end to a byte boundary. In some * cases, it is necessary to record externally the number of padding bits used. * This table supplies that information. - * + * * @author in-somnia */ public class PaddingBitBox extends FullBox { - private int[] pad1, pad2; - - public PaddingBitBox() { - super("Padding Bit Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - final int sampleCount = (int) (in.readBytes(4)+1)/2; - pad1 = new int[sampleCount]; - pad2 = new int[sampleCount]; - - byte b; - for(int i = 0; i>4)&7; - //1 bit reserved - //3 bits pad2 - pad2[i] = b&7; - } - } - - /** - * Integer values from 0 to 7, indicating the number of bits at the end of - * sample (i*2)+1. - */ - public int[] getPad1() { - return pad1; - } - - /** - * Integer values from 0 to 7, indicating the number of bits at the end of - * sample (i*2)+2. - */ - public int[] getPad2() { - return pad2; - } + private int[] pad1, pad2; + + public PaddingBitBox() { + super("Padding Bit Box"); + } + + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + + int sampleCount = (int) (in.readBytes(4) + 1) / 2; + pad1 = new int[sampleCount]; + pad2 = new int[sampleCount]; + + byte b; + for (int i = 0; i < sampleCount; i++) { + b = (byte) in.readByte(); + //1 bit reserved + //3 bits pad1 + pad1[i] = (b >> 4) & 7; + //1 bit reserved + //3 bits pad2 + pad2[i] = b & 7; + } + } + + /** + * Integer values from 0 to 7, indicating the number of bits at the end of + * sample (i*2)+1. + */ + public int[] getPad1() { + return pad1; + } + + /** + * Integer values from 0 to 7, indicating the number of bits at the end of + * sample (i*2)+2. + */ + public int[] getPad2() { + return pad2; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PixelAspectRatioBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PixelAspectRatioBox.java index 97f61ffc..a1047580 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PixelAspectRatioBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PixelAspectRatioBox.java @@ -1,29 +1,31 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.BoxImpl; + public class PixelAspectRatioBox extends BoxImpl { - private long hSpacing; - private long vSpacing; + private long hSpacing; + private long vSpacing; - public PixelAspectRatioBox() { - super("Pixel Aspect Ratio Box"); - } + public PixelAspectRatioBox() { + super("Pixel Aspect Ratio Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - hSpacing = in.readBytes(4); - vSpacing = in.readBytes(4); - } + @Override + public void decode(MP4Input in) throws IOException { + hSpacing = in.readBytes(4); + vSpacing = in.readBytes(4); + } - public long getHorizontalSpacing() { - return hSpacing; - } + public long getHorizontalSpacing() { + return hSpacing; + } - public long getVerticalSpacing() { - return vSpacing; - } + public long getVerticalSpacing() { + return vSpacing; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PrimaryItemBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PrimaryItemBox.java index f1c5a4e1..106320f8 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PrimaryItemBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/PrimaryItemBox.java @@ -1,14 +1,16 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * For a given handler, the primary data may be one of the referenced items when * it is desired that it be stored elsewhere, or divided into extents; or the * primary metadata may be contained in the meta-box (e.g. in an XML box). - * + *

* Either this box must occur, or there must be a box within the meta-box (e.g. * an XML box) containing the primary information in the format required by the * identified handler. @@ -17,25 +19,25 @@ */ public class PrimaryItemBox extends FullBox { - private int itemID; + private int itemID; - public PrimaryItemBox() { - super("Primary Item Box"); - } + public PrimaryItemBox() { + super("Primary Item Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - itemID = (int) in.readBytes(2); - } + itemID = (int) in.readBytes(2); + } - /** - * The item ID is the identifier of the primary item. - * - * @return the item ID - */ - public int getItemID() { - return itemID; - } + /** + * The item ID is the identifier of the primary item. + * + * @return the item ID + */ + public int getItemID() { + return itemID; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ProgressiveDownloadInformationBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ProgressiveDownloadInformationBox.java index 50a3f34b..9a99359b 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ProgressiveDownloadInformationBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/ProgressiveDownloadInformationBox.java @@ -3,46 +3,50 @@ import java.io.IOException; import java.util.HashMap; import java.util.Map; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * The Progressive download information box aids the progressive download of an * ISO file. The box contains pairs of numbers (to the end of the box) * specifying combinations of effective file download bitrate in units of * bytes/sec and a suggested initial playback delay in units of milliseconds. - * + *

* The download rate can be estimated from the download rate and obtain an upper * estimate for a suitable initial delay by linear interpolation between pairs, * or by extrapolation from the first or last entry. + * * @author in-somnia */ public class ProgressiveDownloadInformationBox extends FullBox { - private Map pairs; - - public ProgressiveDownloadInformationBox() { - super("Progressive Download Information Box"); - pairs = new HashMap(); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - long rate, initialDelay; - while(getLeft(in)>0) { - rate = in.readBytes(4); - initialDelay = in.readBytes(4); - pairs.put(rate, initialDelay); - } - } - - /** - * The map contains pairs of bitrates and playback delay. - * @return the information pairs - */ - public Map getInformationPairs() { - return pairs; - } + private Map pairs; + + public ProgressiveDownloadInformationBox() { + super("Progressive Download Information Box"); + pairs = new HashMap<>(); + } + + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + + long rate, initialDelay; + while (getLeft(in) > 0) { + rate = in.readBytes(4); + initialDelay = in.readBytes(4); + pairs.put(rate, initialDelay); + } + } + + /** + * The map contains pairs of bitrates and playback delay. + * + * @return the information pairs + */ + public Map getInformationPairs() { + return pairs; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleDependencyBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleDependencyBox.java index e0cbac30..981a9776 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleDependencyBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleDependencyBox.java @@ -1,67 +1,68 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.BoxTypes; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * This box contains the sample dependencies for each switching sample. The * dependencies are stored in the table, one record for each sample. The size of - * the table is taken from the the Sample Size Box ('stsz') or Compact Sample + * the table is taken from the Sample Size Box ('stsz') or Compact Sample * Size Box ('stz2'). * * @author in-somnia */ public class SampleDependencyBox extends FullBox { - private int[] dependencyCount; - private int[][] relativeSampleNumber; + private int[] dependencyCount; + private int[][] relativeSampleNumber; - public SampleDependencyBox() { - super("Sample Dependency Box"); - } + public SampleDependencyBox() { + super("Sample Dependency Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - final int sampleCount = ((SampleSizeBox) parent.getChild(BoxTypes.SAMPLE_SIZE_BOX)).getSampleCount(); + int sampleCount = ((SampleSizeBox) parent.getChild(BoxTypes.SAMPLE_SIZE_BOX)).getSampleCount(); - int j; - for(int i = 0; i @@ -13,7 +15,7 @@ *

  • does this sample contain multiple (redundant) encodings of the data at * this time-instant (possibly with different dependencies)?
    • * - * + *

    * In the absence of this table: *

      *
    • the sync sample table answers the first question; in most video codecs, @@ -21,7 +23,7 @@ *
    • the dependency of other samples on this one is unknown
      • *
    • the existence of redundant coding is unknown
      • *
    - * + *

    * When performing 'trick' modes, such as fast-forward, it is possible to use * the first piece of information to locate independently decodable samples. * Similarly, when performing random access, it may be necessary to locate the @@ -33,82 +35,83 @@ * redundant codings. However, a redundant coding may have different * dependencies from the primary coding; if redundant codings are available, the * value of 'sample depends on' documents only the primary coding. - * + *

    * A Sample Dependency Box may also occur in the Track Fragment Box. - * + * * @author in-somnia */ public class SampleDependencyTypeBox extends FullBox { - private int[] sampleDependsOn, sampleIsDependedOn, sampleHasRedundancy; + private int[] sampleDependsOn, sampleIsDependedOn, sampleHasRedundancy; - public SampleDependencyTypeBox() { - super("Sample Dependency Type Box"); - } + public SampleDependencyTypeBox() { + super("Sample Dependency Type Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - //get number of samples from SampleSizeBox - long sampleCount = -1; - if(parent.hasChild(BoxTypes.SAMPLE_SIZE_BOX)) sampleCount = ((SampleSizeBox) parent.getChild(BoxTypes.SAMPLE_SIZE_BOX)).getSampleCount(); - //TODO: uncomment when CompactSampleSizeBox is implemented - //else if(parent.containsChild(BoxTypes.COMPACT_SAMPLE_SIZE_BOX)) sampleCount = ((CompactSampleSizeBox)parent.getChild(BoxTypes.SAMPLE_SIZE_BOX)).getSampleSize(); - sampleHasRedundancy = new int[(int) sampleCount]; - sampleIsDependedOn = new int[(int) sampleCount]; - sampleDependsOn = new int[(int) sampleCount]; + //get number of samples from SampleSizeBox + long sampleCount = -1; + if (parent.hasChild(BoxTypes.SAMPLE_SIZE_BOX)) + sampleCount = ((SampleSizeBox) parent.getChild(BoxTypes.SAMPLE_SIZE_BOX)).getSampleCount(); + //TODO: uncomment when CompactSampleSizeBox is implemented + //else if(parent.containsChild(BoxTypes.COMPACT_SAMPLE_SIZE_BOX)) sampleCount = ((CompactSampleSizeBox)parent.getChild(BoxTypes.SAMPLE_SIZE_BOX)).getSampleSize(); + sampleHasRedundancy = new int[(int) sampleCount]; + sampleIsDependedOn = new int[(int) sampleCount]; + sampleDependsOn = new int[(int) sampleCount]; - byte b; - for(int i = 0; i>2)&3; - sampleDependsOn[i] = (b>>4)&3; - } - } + byte b; + for (int i = 0; i < sampleCount; i++) { + b = (byte) in.readByte(); + /* 2 bits reserved + * 2 bits sampleDependsOn + * 2 bits sampleIsDependedOn + * 2 bits sampleHasRedundancy + */ + sampleHasRedundancy[i] = b & 3; + sampleIsDependedOn[i] = (b >> 2) & 3; + sampleDependsOn[i] = (b >> 4) & 3; + } + } - /** - * The 'sample depends on' field takes one of the following four values: - * 0: the dependency of this sample is unknown - * 1: this sample does depend on others (not an I picture) - * 2: this sample does not depend on others (I picture) - * 3: reserved - * - * @return a list of 'sample depends on' values for all samples - */ - public int[] getSampleDependsOn() { - return sampleDependsOn; - } + /** + * The 'sample depends on' field takes one of the following four values: + * 0: the dependency of this sample is unknown + * 1: this sample does depend on others (not an I picture) + * 2: this sample does not depend on others (I picture) + * 3: reserved + * + * @return an array of 'sample depends on' values for all samples + */ + public int[] getSampleDependsOn() { + return sampleDependsOn; + } - /** - * The 'sample is depended on' field takes one of the following four values: - * 0: the dependency of other samples on this sample is unknown - * 1: other samples may depend on this one (not disposable) - * 2: no other sample depends on this one (disposable) - * 3: reserved - * - * @return a list of 'sample is depended on' values for all samples - */ - public int[] getSampleIsDependedOn() { - return sampleIsDependedOn; - } + /** + * The 'sample is depended on' field takes one of the following four values: + * 0: the dependency of other samples on this sample is unknown + * 1: other samples may depend on this one (not disposable) + * 2: no other sample depends on this one (disposable) + * 3: reserved + * + * @return an array of 'sample is depended on' values for all samples + */ + public int[] getSampleIsDependedOn() { + return sampleIsDependedOn; + } - /** - * The 'sample has redundancy' field takes one of the following four values: - * 0: it is unknown whether there is redundant coding in this sample - * 1: there is redundant coding in this sample - * 2: there is no redundant coding in this sample - * 3: reserved - * - * @return a list of 'sample has redundancy' values for all samples - */ - public int[] getSampleHasRedundancy() { - return sampleHasRedundancy; - } + /** + * The 'sample has redundancy' field takes one of the following four values: + * 0: it is unknown whether there is redundant coding in this sample + * 1: there is redundant coding in this sample + * 2: there is no redundant coding in this sample + * 3: reserved + * + * @return a list of 'sample has redundancy' values for all samples + */ + public int[] getSampleHasRedundancy() { + return sampleHasRedundancy; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleDescriptionBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleDescriptionBox.java index 1c41d441..c50efee0 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleDescriptionBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleDescriptionBox.java @@ -1,26 +1,29 @@ package net.sourceforge.jaad.mp4.boxes.impl; -import net.sourceforge.jaad.mp4.MP4InputStream; -import net.sourceforge.jaad.mp4.boxes.FullBox; import java.io.IOException; +import net.sourceforge.jaad.mp4.MP4Input; +import net.sourceforge.jaad.mp4.boxes.FullBox; + + /** * The sample description table gives detailed information about the coding type * used, and any initialization information needed for that coding. + * * @author in-somnia */ public class SampleDescriptionBox extends FullBox { - public SampleDescriptionBox() { - super("Sample Description Box"); - } + public SampleDescriptionBox() { + super("Sample Description Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - final int entryCount = (int) in.readBytes(4); + int entryCount = (int) in.readBytes(4); - readChildren(in, entryCount); - } + readChildren(in, entryCount); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleGroupDescriptionBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleGroupDescriptionBox.java index 452b7e37..4b7a01ee 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleGroupDescriptionBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleGroupDescriptionBox.java @@ -1,26 +1,24 @@ package net.sourceforge.jaad.mp4.boxes.impl; -import net.sourceforge.jaad.mp4.MP4InputStream; -import net.sourceforge.jaad.mp4.boxes.BoxFactory; -import net.sourceforge.jaad.mp4.boxes.BoxImpl; -import net.sourceforge.jaad.mp4.boxes.BoxTypes; -import net.sourceforge.jaad.mp4.boxes.FullBox; -import net.sourceforge.jaad.mp4.boxes.impl.samplegroupentries.*; import java.io.IOException; -import net.sourceforge.jaad.mp4.boxes.Box; + +import net.sourceforge.jaad.mp4.MP4Input; +import net.sourceforge.jaad.mp4.boxes.FullBox; +import net.sourceforge.jaad.mp4.boxes.impl.samplegroupentries.SampleGroupDescriptionEntry; + /** * This description table gives information about the characteristics of sample * groups. The descriptive information is any other information needed to define * or characterize the sample group. - * + *

    * There may be multiple instances of this box if there is more than one sample * grouping for the samples in a track. Each instance of the * SampleGroupDescriptionBox has a type code that distinguishes different sample * groupings. Within a track, there shall be at most one instance of this box * with a particular grouping type. The associated SampleToGroupBox shall * indicate the same value for the grouping type. - * + *

    * The information is stored in the sample group description box after the * entry-count. An abstract entry type is defined and sample groupings shall * define derived types to represent the description of each sample group. For @@ -31,23 +29,23 @@ */ public class SampleGroupDescriptionBox extends FullBox { - private long groupingType, defaultLength, descriptionLength; - private SampleGroupDescriptionEntry[] entries; + private long groupingType, defaultLength, descriptionLength; + private SampleGroupDescriptionEntry[] entries; - public SampleGroupDescriptionBox() { - super("Sample Group Description Box"); - } + public SampleGroupDescriptionBox() { + super("Sample Group Description Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - groupingType = in.readBytes(4); - defaultLength = (version==1)?in.readBytes(4):0; + groupingType = in.readBytes(4); + defaultLength = (version == 1) ? in.readBytes(4) : 0; - final int entryCount = (int) in.readBytes(4); + int entryCount = (int) in.readBytes(4); - //TODO! + //TODO! /*final HandlerBox hdlr = (HandlerBox) parent.getParent().getParent().getChild(BoxTypes.HANDLER_BOX); final int handlerType = (int) hdlr.getHandlerType(); @@ -73,32 +71,33 @@ public void decode(MP4InputStream in) throws IOException { } if(boxClass!=null) { entries[i] = (SampleGroupDescriptionEntry) BoxFactory.parseBox(in, boxClass); - if(entries[i]!=null) left -= entries[i].getSize(); + if(entries[i]!=null) + left -= entries[i].getSize(); } }*/ - } + } - /** - * The grouping type is an integer that identifies the SampleToGroup box - * that is associated with this sample group description. - */ - public long getGroupingType() { - return groupingType; - } + /** + * The grouping type is an integer that identifies the SampleToGroup box + * that is associated with this sample group description. + */ + public long getGroupingType() { + return groupingType; + } - /** - * The default length indicates the length of every group entry (if the - * length is constant), or zero (0) if it is variable. - */ - public long getDefaultLength() { - return defaultLength; - } + /** + * The default length indicates the length of every group entry (if the + * length is constant), or zero (0) if it is variable. + */ + public long getDefaultLength() { + return defaultLength; + } - /** - * The description length indicates the length of an individual group entry, - * in the case it varies from entry to entry and default length is therefore 0. - */ - public long getDescriptionLength() { - return descriptionLength; - } + /** + * The description length indicates the length of an individual group entry, + * in the case it varies from entry to entry and default length is therefore 0. + */ + public long getDescriptionLength() { + return descriptionLength; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleScaleBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleScaleBox.java index 1f0c7ea4..0d8a2564 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleScaleBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleScaleBox.java @@ -1,9 +1,11 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * This box may be present in any visual sample entry. This box indicates the * scaling method that is applied when the width and height of the visual @@ -25,84 +27,85 @@ * in a sequence. The offset values are positive when the desired visual centre * is below or to the right of the image centre, and negative for offsets above * or to the left. - * + * * @author in-somnia */ public class SampleScaleBox extends FullBox { - private boolean constrained; - private int scaleMethod, displayCenterX, displayCenterY; + private boolean constrained; + private int scaleMethod, displayCenterX, displayCenterY; - public SampleScaleBox() { - super("Sample Scale Box"); - } + public SampleScaleBox() { + super("Sample Scale Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - //7 bits reserved, 1 bit flag - constrained = (in.read()&1)==1; + //7 bits reserved, 1 bit flag + constrained = (in.readByte() & 1) == 1; - scaleMethod = in.read(); - displayCenterX = (int) in.readBytes(2); - displayCenterY = (int) in.readBytes(2); - } + scaleMethod = in.readByte(); + displayCenterX = (int) in.readBytes(2); + displayCenterY = (int) in.readBytes(2); + } - /** - * If this flag is set, all samples described by this sample entry shall be - * scaled according to the method specified by the field 'scale_method'. - * Otherwise, it is recommended that all the samples be scaled according to - * the method specified by the field 'scale_method', but can be displayed in - * an implementation dependent way, which may include not scaling the image - * (i.e. neither to the width and height specified in the track header box, - * nor by the method indicated here). - * - * @return true if the samples should be scaled by the scale method - */ - public boolean isConstrained() { - return constrained; - } + /** + * If this flag is set, all samples described by this sample entry shall be + * scaled according to the method specified by the field 'scale_method'. + * Otherwise, it is recommended that all the samples be scaled according to + * the method specified by the field 'scale_method', but can be displayed in + * an implementation dependent way, which may include not scaling the image + * (i.e. neither to the width and height specified in the track header box, + * nor by the method indicated here). + * + * @return true if the samples should be scaled by the scale method + */ + public boolean isConstrained() { + return constrained; + } - /** - * The horizontal offset in pixels of the centre of the region that should - * be displayed by priority relative to the centre of the image. Default - * value is zero. Positive values indicate a display centre to the right of - * the image centre. - * - * @return the horizontal offset - */ - public int getDisplayCenterX() { - return displayCenterX; - } + /** + * The horizontal offset in pixels of the centre of the region that should + * be displayed by priority relative to the centre of the image. Default + * value is zero. Positive values indicate a display centre to the right of + * the image centre. + * + * @return the horizontal offset + */ + public int getDisplayCenterX() { + return displayCenterX; + } - /** - * The vertical offset in pixels of the centre of the region that should be - * displayed by priority relative to the centre of the image. Default value - * is zero. Positive values indicate a display centre below the image - * centre. - * @return the vertical offset - */ - public int getDisplayCenterY() { - return displayCenterY; - } + /** + * The vertical offset in pixels of the centre of the region that should be + * displayed by priority relative to the centre of the image. Default value + * is zero. Positive values indicate a display centre below the image + * centre. + * + * @return the vertical offset + */ + public int getDisplayCenterY() { + return displayCenterY; + } - /** - * The scale method is an integer that defines the scaling mode to be used. - * Of the 256 possible values the values 0 through 127 are reserved for use - * by ISO and values 128 through 255 are user-defined and are not specified - * in this International Standard; they may be used as determined by the - * application. Of the reserved values the following modes are currently - * defined: - * 1: scaling is done by 'fill' mode. - * 2: scaling is done by 'hidden' mode. - * 3: scaling is done by 'meet' mode. - * 4: scaling is done by 'slice' mode in the x-coordinate. - * 5: scaling is done by 'slice' mode in the y-coordinate. - * - * @return the scale method - */ - public int getScaleMethod() { - return scaleMethod; - } + /** + * The scale method is an integer that defines the scaling mode to be used. + * Of the 256 possible values the values 0 through 127 are reserved for use + * by ISO and values 128 through 255 are user-defined and are not specified + * in this International Standard; they may be used as determined by the + * application. Of the reserved values the following modes are currently + * defined: + * 1: scaling is done by 'fill' mode. + * 2: scaling is done by 'hidden' mode. + * 3: scaling is done by 'meet' mode. + * 4: scaling is done by 'slice' mode in the x-coordinate. + * 5: scaling is done by 'slice' mode in the y-coordinate. + * + * @return the scale method + */ + public int getScaleMethod() { + return scaleMethod; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleSizeBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleSizeBox.java index 286b8d6b..ade73b77 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleSizeBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleSizeBox.java @@ -1,63 +1,62 @@ package net.sourceforge.jaad.mp4.boxes.impl; -import net.sourceforge.jaad.mp4.boxes.FullBox; -import net.sourceforge.jaad.mp4.MP4InputStream; import java.io.IOException; import java.util.Arrays; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.BoxTypes; +import net.sourceforge.jaad.mp4.boxes.FullBox; + public class SampleSizeBox extends FullBox { - private long sampleCount; - private long[] sampleSizes; - - public SampleSizeBox() { - super("Sample Size Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - final boolean compact = type==BoxTypes.COMPACT_SAMPLE_SIZE_BOX; - - final int sampleSize; - if(compact) { - in.skipBytes(3); - sampleSize = in.read(); - } - else sampleSize = (int) in.readBytes(4); - - sampleCount = in.readBytes(4); - sampleSizes = new long[(int) sampleCount]; - - if(compact) { - //compact: sampleSize can be 4, 8 or 16 bits - if(sampleSize==4) { - int x; - for(int i = 0; i>4)&0xF; - sampleSizes[i+1] = x&0xF; - } - } - else readSizes(in, sampleSize/8); - } - else if(sampleSize==0) readSizes(in, 4); - else Arrays.fill(sampleSizes, sampleSize); - } - - private void readSizes(MP4InputStream in, int len) throws IOException { - for(int i = 0; i> 4) & 0xF; + sampleSizes[i + 1] = x & 0xF; + } + } else readSizes(in, sampleSize / 8); + } else if (sampleSize == 0) readSizes(in, 4); + else Arrays.fill(sampleSizes, sampleSize); + } + + private void readSizes(MP4Input in, int len) throws IOException { + for (int i = 0; i < sampleCount; i++) { + sampleSizes[i] = in.readBytes(len); + } + } + + public int getSampleCount() { + return (int) sampleCount; + } + + public long[] getSampleSizes() { + return sampleSizes; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleToChunkBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleToChunkBox.java index 4114cf45..b8ff4fc7 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleToChunkBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/SampleToChunkBox.java @@ -1,42 +1,44 @@ package net.sourceforge.jaad.mp4.boxes.impl; -import net.sourceforge.jaad.mp4.boxes.FullBox; -import net.sourceforge.jaad.mp4.MP4InputStream; import java.io.IOException; +import net.sourceforge.jaad.mp4.MP4Input; +import net.sourceforge.jaad.mp4.boxes.FullBox; + + public class SampleToChunkBox extends FullBox { - private long[] firstChunks, samplesPerChunk, sampleDescriptionIndex; + private long[] firstChunks, samplesPerChunk, sampleDescriptionIndex; - public SampleToChunkBox() { - super("Sample To Chunk Box"); - } + public SampleToChunkBox() { + super("Sample To Chunk Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - final int entryCount = (int) in.readBytes(4); - firstChunks = new long[entryCount]; - samplesPerChunk = new long[entryCount]; - sampleDescriptionIndex = new long[entryCount]; + int entryCount = (int) in.readBytes(4); + firstChunks = new long[entryCount]; + samplesPerChunk = new long[entryCount]; + sampleDescriptionIndex = new long[entryCount]; - for(int i = 0; i * There may be multiple instances of this box if there is more than one sample * grouping for the samples in a track. Each instance of the SampleToGroup box * has a type code that distinguishes different sample groupings. Within a @@ -21,61 +23,61 @@ */ public class SampleToGroupBox extends FullBox { - private long groupingType; - private long[] sampleCount, groupDescriptionIndex; + private long groupingType; + private long[] sampleCount, groupDescriptionIndex; - public SampleToGroupBox() { - super("Sample To Group Box"); - } + public SampleToGroupBox() { + super("Sample To Group Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - groupingType = in.readBytes(4); - final int entryCount = (int) in.readBytes(4); - sampleCount = new long[entryCount]; - groupDescriptionIndex = new long[entryCount]; + groupingType = in.readBytes(4); + int entryCount = (int) in.readBytes(4); + sampleCount = new long[entryCount]; + groupDescriptionIndex = new long[entryCount]; - for(int i = 0; i * Each entry in the ShadowSyncTable consists of a pair of sample numbers. The * first entry (shadowed-sample-number) indicates the number of the sample that * a shadow sync will be defined for. This should always be a non-sync sample * (e.g. a frame difference). The second sample number (sync-sample-number) * indicates the sample number of the sync sample (i.e. key frame) that can be * used when there is a random access at, or before, the shadowed-sample-number. - * + *

    * The entries in the ShadowSyncBox shall be sorted based on the * shadowed-sample-number field. The shadow sync samples are normally placed in * an area of the track that is not presented during normal play (edited out by * means of an edit list), though this is not a requirement. The shadow sync * table can be ignored and the track will play (and seek) correctly if it is * ignored (though perhaps not optimally). - * + *

    * The ShadowSyncSample replaces, not augments, the sample that it shadows (i.e. * the next sample sent is shadowed-sample-number+1). The shadow sync sample is * treated as if it occurred at the time of the sample it shadows, having the * duration of the sample it shadows. - * + *

    * Hinting and transmission might become more complex if a shadow sample is used * also as part of normal playback, or is used more than once as a shadow. In * this case the hint track might need separate shadow syncs, all of which can * get their media data from the one shadow sync in the media track, to allow - * for the different time-stamps etc. needed in their headers. + * for the different time-stamps etc. needed in their headers. * * @author in-somnia */ public class ShadowSyncSampleBox extends FullBox { - private long[][] sampleNumbers; + private long[][] sampleNumbers; + + public ShadowSyncSampleBox() { + super("Shadow Sync Sample Box"); + } - public ShadowSyncSampleBox() { - super("Shadow Sync Sample Box"); - } + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - final int entryCount = (int) in.readBytes(4); - sampleNumbers = new long[entryCount][2]; + int entryCount = (int) in.readBytes(4); + sampleNumbers = new long[entryCount][2]; - for(int i = 0; i * If the sync sample box is not present, every sample is a random access point. * * @author in-somnia */ public class SyncSampleBox extends FullBox { - private long[] sampleNumbers; - - public SyncSampleBox() { - super("Sync Sample Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - final int entryCount = (int) in.readBytes(4); - sampleNumbers = new long[entryCount]; - for(int i = 0; i>24)&3); - } - - /** - * The default 'sample is depended on' value as defined in the - * SampleDependencyTypeBox. - * - * @see SampleDependencyTypeBox#getSampleIsDependedOn() - * @return the default 'sample is depended on' value - */ - public int getSampleIsDependedOn() { - return (int) ((defaultSampleFlags>>22)&3); - } - - /** - * The default 'sample has redundancy' value as defined in the - * SampleDependencyBox. - * - * @see SampleDependencyTypeBox#getSampleHasRedundancy() - * @return the default 'sample has redundancy' value - */ - public int getSampleHasRedundancy() { - return (int) ((defaultSampleFlags>>20)&3); - } - - /** - * The default padding value as defined in the PaddingBitBox. - * - * @see PaddingBitBox#getPad1() - * @return the default padding value - */ - public int getSamplePaddingValue() { - return (int) ((defaultSampleFlags>>17)&7); - } - - public boolean isSampleDifferenceSample() { - return ((defaultSampleFlags>>16)&1)==1; - } - - /** - * The default degradation priority for the samples. - * @return the default degradation priority - */ - public int getSampleDegradationPriority() { - return (int) (defaultSampleFlags&0xFFFF); - } + private long trackID; + private long defaultSampleDescriptionIndex, defaultSampleDuration, defaultSampleSize; + private long defaultSampleFlags; + + public TrackExtendsBox() { + super("Track Extends Box"); + } + + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + + trackID = in.readBytes(4); + defaultSampleDescriptionIndex = in.readBytes(4); + defaultSampleDuration = in.readBytes(4); + defaultSampleSize = in.readBytes(4); + /* 6 bits reserved + * 2 bits sampleDependsOn + * 2 bits sampleIsDependedOn + * 2 bits sampleHasRedundancy + * 3 bits samplePaddingValue + * 1 bit sampleIsDifferenceSample + * 16 bits sampleDegradationPriority + */ + defaultSampleFlags = in.readBytes(4); + } + + /** + * The track ID identifies the track; this shall be the track ID of a track + * in the Movie Box. + * + * @return the track ID + */ + public long getTrackID() { + return trackID; + } + + /** + * The default sample description index used in the track fragments. + * + * @return the default sample description index + */ + public long getDefaultSampleDescriptionIndex() { + return defaultSampleDescriptionIndex; + } + + /** + * The default sample duration used in the track fragments. + * + * @return the default sample duration + */ + public long getDefaultSampleDuration() { + return defaultSampleDuration; + } + + /** + * The default sample size used in the track fragments. + * + * @return the default sample size + */ + public long getDefaultSampleSize() { + return defaultSampleSize; + } + + /** + * The default 'sample depends on' value as defined in the + * SampleDependencyTypeBox. + * + * @return the default 'sample depends on' value + * @see SampleDependencyTypeBox#getSampleDependsOn() + */ + public int getSampleDependsOn() { + return (int) ((defaultSampleFlags >> 24) & 3); + } + + /** + * The default 'sample is depended on' value as defined in the + * SampleDependencyTypeBox. + * + * @return the default 'sample is depended on' value + * @see SampleDependencyTypeBox#getSampleIsDependedOn() + */ + public int getSampleIsDependedOn() { + return (int) ((defaultSampleFlags >> 22) & 3); + } + + /** + * The default 'sample has redundancy' value as defined in the + * SampleDependencyBox. + * + * @return the default 'sample has redundancy' value + * @see SampleDependencyTypeBox#getSampleHasRedundancy() + */ + public int getSampleHasRedundancy() { + return (int) ((defaultSampleFlags >> 20) & 3); + } + + /** + * The default padding value as defined in the PaddingBitBox. + * + * @return the default padding value + * @see PaddingBitBox#getPad1() + */ + public int getSamplePaddingValue() { + return (int) ((defaultSampleFlags >> 17) & 7); + } + + public boolean isSampleDifferenceSample() { + return ((defaultSampleFlags >> 16) & 1) == 1; + } + + /** + * The default degradation priority for the samples. + * + * @return the default degradation priority + */ + public int getSampleDegradationPriority() { + return (int) (defaultSampleFlags & 0xFFFF); + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentHeaderBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentHeaderBox.java index bfd25ff1..f2511216 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentHeaderBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentHeaderBox.java @@ -1,100 +1,102 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * Each movie fragment can add zero or more fragments to each track; and a track * fragment can add zero or more contiguous runs of samples. The track fragment * header sets up information and defaults used for those runs of samples. - * + * * @author in-somnia */ public class TrackFragmentHeaderBox extends FullBox { - private long trackID; - private boolean baseDataOffsetPresent, sampleDescriptionIndexPresent, - defaultSampleDurationPresent, defaultSampleSizePresent, - defaultSampleFlagsPresent; - private boolean durationIsEmpty; - private long baseDataOffset, sampleDescriptionIndex, defaultSampleDuration, - defaultSampleSize, defaultSampleFlags; + private long trackID; + private boolean baseDataOffsetPresent, sampleDescriptionIndexPresent, + defaultSampleDurationPresent, defaultSampleSizePresent, + defaultSampleFlagsPresent; + private boolean durationIsEmpty; + private long baseDataOffset, sampleDescriptionIndex, defaultSampleDuration, + defaultSampleSize, defaultSampleFlags; - public TrackFragmentHeaderBox() { - super("Track Fragment Header Box"); - } + public TrackFragmentHeaderBox() { + super("Track Fragment Header Box"); + } - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); - trackID = in.readBytes(4); + trackID = in.readBytes(4); - //optional fields - baseDataOffsetPresent = ((flags&1)==1); - baseDataOffset = baseDataOffsetPresent ? in.readBytes(8) : 0; + //optional fields + baseDataOffsetPresent = ((flags & 1) == 1); + baseDataOffset = baseDataOffsetPresent ? in.readBytes(8) : 0; - sampleDescriptionIndexPresent = ((flags&2)==2); - sampleDescriptionIndex = sampleDescriptionIndexPresent ? in.readBytes(4) : 0; + sampleDescriptionIndexPresent = ((flags & 2) == 2); + sampleDescriptionIndex = sampleDescriptionIndexPresent ? in.readBytes(4) : 0; - defaultSampleDurationPresent = ((flags&8)==8); - defaultSampleDuration = defaultSampleDurationPresent ? in.readBytes(4) : 0; + defaultSampleDurationPresent = ((flags & 8) == 8); + defaultSampleDuration = defaultSampleDurationPresent ? in.readBytes(4) : 0; - defaultSampleSizePresent = ((flags&16)==16); - defaultSampleSize = defaultSampleSizePresent ? in.readBytes(4) : 0; + defaultSampleSizePresent = ((flags & 16) == 16); + defaultSampleSize = defaultSampleSizePresent ? in.readBytes(4) : 0; - defaultSampleFlagsPresent = ((flags&32)==32); - defaultSampleFlags = defaultSampleFlagsPresent ? in.readBytes(4) : 0; + defaultSampleFlagsPresent = ((flags & 32) == 32); + defaultSampleFlags = defaultSampleFlagsPresent ? in.readBytes(4) : 0; - durationIsEmpty = ((flags&0x10000)==0x10000); - } + durationIsEmpty = ((flags & 0x10000) == 0x10000); + } - public long getTrackID() { - return trackID; - } + public long getTrackID() { + return trackID; + } - public boolean isBaseDataOffsetPresent() { - return baseDataOffsetPresent; - } + public boolean isBaseDataOffsetPresent() { + return baseDataOffsetPresent; + } - public long getBaseDataOffset() { - return baseDataOffset; - } + public long getBaseDataOffset() { + return baseDataOffset; + } - public boolean isSampleDescriptionIndexPresent() { - return sampleDescriptionIndexPresent; - } + public boolean isSampleDescriptionIndexPresent() { + return sampleDescriptionIndexPresent; + } - public long getSampleDescriptionIndex() { - return sampleDescriptionIndex; - } + public long getSampleDescriptionIndex() { + return sampleDescriptionIndex; + } - public boolean isDefaultSampleDurationPresent() { - return defaultSampleDurationPresent; - } + public boolean isDefaultSampleDurationPresent() { + return defaultSampleDurationPresent; + } - public long getDefaultSampleDuration() { - return defaultSampleDuration; - } + public long getDefaultSampleDuration() { + return defaultSampleDuration; + } - public boolean isDefaultSampleSizePresent() { - return defaultSampleSizePresent; - } + public boolean isDefaultSampleSizePresent() { + return defaultSampleSizePresent; + } - public long getDefaultSampleSize() { - return defaultSampleSize; - } + public long getDefaultSampleSize() { + return defaultSampleSize; + } - public boolean isDefaultSampleFlagsPresent() { - return defaultSampleFlagsPresent; - } + public boolean isDefaultSampleFlagsPresent() { + return defaultSampleFlagsPresent; + } - public long getDefaultSampleFlags() { - return defaultSampleFlags; - } + public long getDefaultSampleFlags() { + return defaultSampleFlags; + } - public boolean isDurationIsEmpty() { - return durationIsEmpty; - } + public boolean isDurationIsEmpty() { + return durationIsEmpty; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentRandomAccessBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentRandomAccessBox.java index d7ecff94..dacc9be9 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentRandomAccessBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentRandomAccessBox.java @@ -1,103 +1,105 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + public class TrackFragmentRandomAccessBox extends FullBox { - private long trackID; - private int entryCount; - private long[] times, moofOffsets, trafNumbers, trunNumbers, sampleNumbers; - - public TrackFragmentRandomAccessBox() { - super("Track Fragment Random Access Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - trackID = in.readBytes(4); - //26 bits reserved, 2 bits trafSizeLen, 2 bits trunSizeLen, 2 bits sampleSizeLen - final long l = in.readBytes(4); - final int trafNumberLen = (int) ((l>>4)&0x3)+1; - final int trunNumberLen = (int) ((l>>2)&0x3)+1; - final int sampleNumberLen = (int) (l&0x3)+1; - entryCount = (int) in.readBytes(4); - - final int len = (version==1) ? 8 : 4; - - for(int i = 0; i> 4) & 0x3) + 1; + int trunNumberLen = (int) ((l >> 2) & 0x3) + 1; + int sampleNumberLen = (int) (l & 0x3) + 1; + entryCount = (int) in.readBytes(4); + + int len = (version == 1) ? 8 : 4; + + for (int i = 0; i < entryCount; i++) { + times[i] = in.readBytes(len); + moofOffsets[i] = in.readBytes(len); + trafNumbers[i] = in.readBytes(trafNumberLen); + trunNumbers[i] = in.readBytes(trunNumberLen); + sampleNumbers[i] = in.readBytes(sampleNumberLen); + } + } + + /** + * The track ID is an integer identifying the associated track. + * + * @return the track ID + */ + public long getTrackID() { + return trackID; + } + + public int getEntryCount() { + return entryCount; + } + + /** + * The time is an integer that indicates the presentation time of the random + * access sample in units defined in the 'mdhd' of the associated track. + * + * @return the times of all entries + */ + public long[] getTimes() { + return times; + } + + /** + * The moof-Offset is an integer that gives the offset of the 'moof' used in + * the entry. Offset is the byte-offset between the beginning of the file + * and the beginning of the 'moof'. + * + * @return the offsets for all entries + */ + public long[] getMoofOffsets() { + return moofOffsets; + } + + /** + * The 'traf' number that contains the random accessible sample. The number + * ranges from 1 (the first 'traf' is numbered 1) in each 'moof'. + * + * @return the 'traf' numbers for all entries + */ + public long[] getTrafNumbers() { + return trafNumbers; + } + + /** + * The 'trun' number that contains the random accessible sample. The number + * ranges from 1 in each 'traf'. + * + * @return the 'trun' numbers for all entries + */ + public long[] getTrunNumbers() { + return trunNumbers; + } + + /** + * The sample number that contains the random accessible sample. The number + * ranges from 1 in each 'trun'. + * + * @return the sample numbers for all entries + */ + public long[] getSampleNumbers() { + return sampleNumbers; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentRunBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentRunBox.java index 3e31c08c..b1ee2da7 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentRunBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackFragmentRunBox.java @@ -1,116 +1,118 @@ package net.sourceforge.jaad.mp4.boxes.impl; import java.io.IOException; -import net.sourceforge.jaad.mp4.MP4InputStream; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; + /** * Within the Track Fragment Box, there are zero or more Track Run Boxes. If the * duration-is-empty flag is set in the track fragment box, there are no track * runs. A track run documents a contiguous set of samples for a track. - * + *

    * If the data-offset is not present, then the data for this run starts * immediately after the data of the previous run, or at the base-data-offset * defined by the track fragment header if this is the first run in a track * fragment. * If the data-offset is present, it is relative to the base-data-offset * established in the track fragment header. - * + * * @author in-somnia */ public class TrackFragmentRunBox extends FullBox { - private int sampleCount; - private boolean dataOffsetPresent, firstSampleFlagsPresent; - private long dataOffset, firstSampleFlags; - private boolean sampleDurationPresent, sampleSizePresent, sampleFlagsPresent, - sampleCompositionTimeOffsetPresent; - private long[] sampleDuration, sampleSize, sampleFlags, sampleCompositionTimeOffset; - - public TrackFragmentRunBox() { - super("Track Fragment Run Box"); - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - sampleCount = (int) in.readBytes(4); - - //optional fields - dataOffsetPresent = ((flags&1)==1); - if(dataOffsetPresent) dataOffset = in.readBytes(4); - - firstSampleFlagsPresent = ((flags&4)==4); - if(firstSampleFlagsPresent) firstSampleFlags = in.readBytes(4); - - //all fields are optional - sampleDurationPresent = ((flags&0x100)==0x100); - if(sampleDurationPresent) sampleDuration = new long[sampleCount]; - sampleSizePresent = ((flags&0x200)==0x200); - if(sampleSizePresent) sampleSize = new long[sampleCount]; - sampleFlagsPresent = ((flags&0x400)==0x400); - if(sampleFlagsPresent) sampleFlags = new long[sampleCount]; - sampleCompositionTimeOffsetPresent = ((flags&0x800)==0x800); - if(sampleCompositionTimeOffsetPresent) sampleCompositionTimeOffset = new long[sampleCount]; - - for(int i = 0; i0; i++) { - if(sampleDurationPresent) sampleDuration[i] = in.readBytes(4); - if(sampleSizePresent) sampleSize[i] = in.readBytes(4); - if(sampleFlagsPresent) sampleFlags[i] = in.readBytes(4); - if(sampleCompositionTimeOffsetPresent) sampleCompositionTimeOffset[i] = in.readBytes(4); - } - } - - public int getSampleCount() { - return sampleCount; - } - - public boolean isDataOffsetPresent() { - return dataOffsetPresent; - } - - public long getDataOffset() { - return dataOffset; - } - - public boolean isFirstSampleFlagsPresent() { - return firstSampleFlagsPresent; - } - - public long getFirstSampleFlags() { - return firstSampleFlags; - } - - public boolean isSampleDurationPresent() { - return sampleDurationPresent; - } - - public long[] getSampleDuration() { - return sampleDuration; - } - - public boolean isSampleSizePresent() { - return sampleSizePresent; - } - - public long[] getSampleSize() { - return sampleSize; - } - - public boolean isSampleFlagsPresent() { - return sampleFlagsPresent; - } - - public long[] getSampleFlags() { - return sampleFlags; - } - - public boolean isSampleCompositionTimeOffsetPresent() { - return sampleCompositionTimeOffsetPresent; - } - - public long[] getSampleCompositionTimeOffset() { - return sampleCompositionTimeOffset; - } + private int sampleCount; + private boolean dataOffsetPresent, firstSampleFlagsPresent; + private long dataOffset, firstSampleFlags; + private boolean sampleDurationPresent, sampleSizePresent, sampleFlagsPresent, + sampleCompositionTimeOffsetPresent; + private long[] sampleDuration, sampleSize, sampleFlags, sampleCompositionTimeOffset; + + public TrackFragmentRunBox() { + super("Track Fragment Run Box"); + } + + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + + sampleCount = (int) in.readBytes(4); + + //optional fields + dataOffsetPresent = ((flags & 1) == 1); + if (dataOffsetPresent) dataOffset = in.readBytes(4); + + firstSampleFlagsPresent = ((flags & 4) == 4); + if (firstSampleFlagsPresent) firstSampleFlags = in.readBytes(4); + + //all fields are optional + sampleDurationPresent = ((flags & 0x100) == 0x100); + if (sampleDurationPresent) sampleDuration = new long[sampleCount]; + sampleSizePresent = ((flags & 0x200) == 0x200); + if (sampleSizePresent) sampleSize = new long[sampleCount]; + sampleFlagsPresent = ((flags & 0x400) == 0x400); + if (sampleFlagsPresent) sampleFlags = new long[sampleCount]; + sampleCompositionTimeOffsetPresent = ((flags & 0x800) == 0x800); + if (sampleCompositionTimeOffsetPresent) sampleCompositionTimeOffset = new long[sampleCount]; + + for (int i = 0; i < sampleCount && getLeft(in) > 0; i++) { + if (sampleDurationPresent) sampleDuration[i] = in.readBytes(4); + if (sampleSizePresent) sampleSize[i] = in.readBytes(4); + if (sampleFlagsPresent) sampleFlags[i] = in.readBytes(4); + if (sampleCompositionTimeOffsetPresent) sampleCompositionTimeOffset[i] = in.readBytes(4); + } + } + + public int getSampleCount() { + return sampleCount; + } + + public boolean isDataOffsetPresent() { + return dataOffsetPresent; + } + + public long getDataOffset() { + return dataOffset; + } + + public boolean isFirstSampleFlagsPresent() { + return firstSampleFlagsPresent; + } + + public long getFirstSampleFlags() { + return firstSampleFlags; + } + + public boolean isSampleDurationPresent() { + return sampleDurationPresent; + } + + public long[] getSampleDuration() { + return sampleDuration; + } + + public boolean isSampleSizePresent() { + return sampleSizePresent; + } + + public long[] getSampleSize() { + return sampleSize; + } + + public boolean isSampleFlagsPresent() { + return sampleFlagsPresent; + } + + public long[] getSampleFlags() { + return sampleFlags; + } + + public boolean isSampleCompositionTimeOffsetPresent() { + return sampleCompositionTimeOffsetPresent; + } + + public long[] getSampleCompositionTimeOffset() { + return sampleCompositionTimeOffset; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackHeaderBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackHeaderBox.java index 69d0dd96..c97ca55e 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackHeaderBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackHeaderBox.java @@ -1,10 +1,12 @@ package net.sourceforge.jaad.mp4.boxes.impl; -import net.sourceforge.jaad.mp4.MP4InputStream; import java.io.IOException; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.FullBox; import net.sourceforge.jaad.mp4.boxes.Utils; + /** * This box specifies the characteristics of a single track. Exactly one Track * Header Box is contained in a track. In the absence of an edit list, the @@ -19,182 +21,194 @@ * (logically) before any transformation or placement caused by a layup or * composition system. Track (and movie) matrices, if used, also operate in this * uniformly-scaled space. + * * @author in-somnia */ public class TrackHeaderBox extends FullBox { - private boolean enabled, inMovie, inPreview; - private long creationTime, modificationTime, duration; - private int trackID, layer, alternateGroup; - private double volume, width, height; - private double[] matrix; - - public TrackHeaderBox() { - super("Track Header Box"); - matrix = new double[9]; - } - - @Override - public void decode(MP4InputStream in) throws IOException { - super.decode(in); - - enabled = (flags&1)==1; - inMovie = (flags&2)==2; - inPreview = (flags&4)==4; - - final int len = (version==1) ? 8 : 4; - creationTime = in.readBytes(len); - modificationTime = in.readBytes(len); - trackID = (int) in.readBytes(4); - in.skipBytes(4); //reserved - duration = Utils.detectUndetermined(in.readBytes(len)); - - in.skipBytes(8); //reserved - - layer = (int) in.readBytes(2); - alternateGroup = (int) in.readBytes(2); - volume = in.readFixedPoint(8, 8); - - in.skipBytes(2); //reserved - - for(int i = 0; i<9; i++) { - if(i<6) matrix[i] = in.readFixedPoint(16, 16); - else matrix[i] = in.readFixedPoint(2, 30); - } - - width = in.readFixedPoint(16, 16); - height = in.readFixedPoint(16, 16); - } - - /** - * A flag indicating that the track is enabled. A disabled track is treated - * as if it were not present. - * @return true if the track is enabled - */ - public boolean isTrackEnabled() { - return enabled; - } - - /** - * A flag indicating that the track is used in the presentation. - * @return true if the track is used - */ - public boolean isTrackInMovie() { - return inMovie; - } - - /** - * A flag indicating that the track is used when previewing the - * presentation. - * @return true if the track is used in previews - */ - public boolean isTrackInPreview() { - return inPreview; - } - - /** - * The creation time is an integer that declares the creation time of the - * presentation in seconds since midnight, Jan. 1, 1904, in UTC time. - * @return the creation time - */ - public long getCreationTime() { - return creationTime; - } - - /** - * The modification time is an integer that declares the most recent time - * the presentation was modified in seconds since midnight, Jan. 1, 1904, - * in UTC time. - */ - public long getModificationTime() { - return modificationTime; - } - - /** - * The track ID is an integer that uniquely identifies this track over the - * entire life-time of this presentation. Track IDs are never re-used and - * cannot be zero. - * @return the track's ID - */ - public int getTrackID() { - return trackID; - } - - /** - * The duration is an integer that indicates the duration of this track (in - * the timescale indicated in the Movie Header Box). The value of this field - * is equal to the sum of the durations of all of the track's edits. If - * there is no edit list, then the duration is the sum of the sample - * durations, converted into the timescale in the Movie Header Box. If the - * duration of this track cannot be determined then this value is -1. - * @return the duration this track - */ - public long getDuration() { - return duration; - } - - /** - * The layer specifies the front-to-back ordering of video tracks; tracks - * with lower numbers are closer to the viewer. 0 is the normal value, and - * -1 would be in front of track 0, and so on. - * @return the layer - */ - public int getLayer() { - return layer; - } - - /** - * The alternate group is an integer that specifies a group or collection - * of tracks. If this field is 0 there is no information on possible - * relations to other tracks. If this field is not 0, it should be the same - * for tracks that contain alternate data for one another and different for - * tracks belonging to different such groups. Only one track within an - * alternate group should be played or streamed at any one time, and must be - * distinguishable from other tracks in the group via attributes such as - * bitrate, codec, language, packet size etc. A group may have only one - * member. - * @return the alternate group - */ - public int getAlternateGroup() { - return alternateGroup; - } - - /** - * The volume is a floating point number that indicates the preferred - * playback volume: 0.0 is mute, 1.0 is normal volume. - * @return the volume - */ - public double getVolume() { - return volume; - } - - /** - * The width specifies the track's visual presentation width as a floating - * point values. This needs not be the same as the pixel width of the - * images, which is documented in the sample description(s); all images in - * the sequence are scaled to this width, before any overall transformation - * of the track represented by the matrix. The pixel dimensions of the - * images are the default values. - * @return the image width - */ - public double getWidth() { - return width; - } - - /** - * The height specifies the track's visual presentation height as a floating - * point value. This needs not be the same as the pixel height of the - * images, which is documented in the sample description(s); all images in - * the sequence are scaled to this height, before any overall transformation - * of the track represented by the matrix. The pixel dimensions of the - * images are the default values. - * @return the image height - */ - public double getHeight() { - return height; - } - - public double[] getMatrix() { - return matrix; - } + private boolean enabled, inMovie, inPreview; + private long creationTime, modificationTime, duration; + private int trackID, layer, alternateGroup; + private double volume, width, height; + private double[] matrix; + + public TrackHeaderBox() { + super("Track Header Box"); + matrix = new double[9]; + } + + @Override + public void decode(MP4Input in) throws IOException { + super.decode(in); + + enabled = (flags & 1) == 1; + inMovie = (flags & 2) == 2; + inPreview = (flags & 4) == 4; + + int len = (version == 1) ? 8 : 4; + creationTime = in.readBytes(len); + modificationTime = in.readBytes(len); + trackID = (int) in.readBytes(4); + in.skipBytes(4); //reserved + duration = Utils.detectUndetermined(in.readBytes(len)); + + in.skipBytes(8); //reserved + + layer = (int) in.readBytes(2); + alternateGroup = (int) in.readBytes(2); + volume = in.readFixedPoint(8, 8); + + in.skipBytes(2); //reserved + + for (int i = 0; i < 9; i++) { + if (i < 6) matrix[i] = in.readFixedPoint(16, 16); + else matrix[i] = in.readFixedPoint(2, 30); + } + + width = in.readFixedPoint(16, 16); + height = in.readFixedPoint(16, 16); + } + + /** + * A flag indicating that the track is enabled. A disabled track is treated + * as if it were not present. + * + * @return true if the track is enabled + */ + public boolean isTrackEnabled() { + return enabled; + } + + /** + * A flag indicating that the track is used in the presentation. + * + * @return true if the track is used + */ + public boolean isTrackInMovie() { + return inMovie; + } + + /** + * A flag indicating that the track is used when previewing the + * presentation. + * + * @return true if the track is used in previews + */ + public boolean isTrackInPreview() { + return inPreview; + } + + /** + * The creation time is an integer that declares the creation time of the + * presentation in seconds since midnight, Jan. 1, 1904, in UTC time. + * + * @return the creation time + */ + public long getCreationTime() { + return creationTime; + } + + /** + * The modification time is an integer that declares the most recent time + * the presentation was modified in seconds since midnight, Jan. 1, 1904, + * in UTC time. + */ + public long getModificationTime() { + return modificationTime; + } + + /** + * The track ID is an integer that uniquely identifies this track over the + * entire life-time of this presentation. Track IDs are never re-used and + * cannot be zero. + * + * @return the track's ID + */ + public int getTrackID() { + return trackID; + } + + /** + * The duration is an integer that indicates the duration of this track (in + * the timescale indicated in the Movie Header Box). The value of this field + * is equal to the sum of the durations of all of the track's edits. If + * there is no edit list, then the duration is the sum of the sample + * durations, converted into the timescale in the Movie Header Box. If the + * duration of this track cannot be determined then this value is -1. + * + * @return the duration this track + */ + public long getDuration() { + return duration; + } + + /** + * The layer specifies the front-to-back ordering of video tracks; tracks + * with lower numbers are closer to the viewer. 0 is the normal value, and + * -1 would be in front of track 0, and so on. + * + * @return the layer + */ + public int getLayer() { + return layer; + } + + /** + * The alternate group is an integer that specifies a group or collection + * of tracks. If this field is 0 there is no information on possible + * relations to other tracks. If this field is not 0, it should be the same + * for tracks that contain alternate data for one another and different for + * tracks belonging to different such groups. Only one track within an + * alternate group should be played or streamed at any one time, and must be + * distinguishable from other tracks in the group via attributes such as + * bitrate, codec, language, packet size etc. A group may have only one + * member. + * + * @return the alternate group + */ + public int getAlternateGroup() { + return alternateGroup; + } + + /** + * The volume is a floating point number that indicates the preferred + * playback volume: 0.0 is mute, 1.0 is normal volume. + * + * @return the volume + */ + public double getVolume() { + return volume; + } + + /** + * The width specifies the track's visual presentation width as a floating + * point values. This needs not be the same as the pixel width of the + * images, which is documented in the sample description(s); all images in + * the sequence are scaled to this width, before any overall transformation + * of the track represented by the matrix. The pixel dimensions of the + * images are the default values. + * + * @return the image width + */ + public double getWidth() { + return width; + } + + /** + * The height specifies the track's visual presentation height as a floating + * point value. This needs not be the same as the pixel height of the + * images, which is documented in the sample description(s); all images in + * the sequence are scaled to this height, before any overall transformation + * of the track represented by the matrix. The pixel dimensions of the + * images are the default values. + * + * @return the image height + */ + public double getHeight() { + return height; + } + + public double[] getMatrix() { + return matrix; + } } diff --git a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackReferenceBox.java b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackReferenceBox.java index 8cb404ec..65654d24 100644 --- a/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackReferenceBox.java +++ b/src/main/java/net/sourceforge/jaad/mp4/boxes/impl/TrackReferenceBox.java @@ -1,65 +1,70 @@ package net.sourceforge.jaad.mp4.boxes.impl; -import net.sourceforge.jaad.mp4.MP4InputStream; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.List; + +import net.sourceforge.jaad.mp4.MP4Input; import net.sourceforge.jaad.mp4.boxes.BoxImpl; + /** * The Track Reference Box provides a reference from the containing track to * another track in the presentation. These references are typed. A 'hint' * reference links from the containing hint track to the media data that it * hints. A content description reference 'cdsc' links a descriptive or * metadata track to the content which it describes. - * + *

    * Exactly one Track Reference Box can be contained within the Track Box. - * + *

    * If this box is not present, the track is not referencing any other track in * any way. The reference array is sized to fill the reference type box. + * * @author in-somnia */ public class TrackReferenceBox extends BoxImpl { - private String referenceType; - private List trackIDs; + private String referenceType; + private List trackIDs; - public TrackReferenceBox() { - super("Track Reference Box"); - trackIDs = new ArrayList(); - } + public TrackReferenceBox() { + super("Track Reference Box"); + trackIDs = new ArrayList<>(); + } - @Override - public void decode(MP4InputStream in) throws IOException { - referenceType = in.readString(4); + @Override + public void decode(MP4Input in) throws IOException { + referenceType = in.readString(4); - while(getLeft(in)>3) { - trackIDs.add(in.readBytes(4)); - } - } + while (getLeft(in) > 3) { + trackIDs.add(in.readBytes(4)); + } + } - /** - * The reference type shall be set to one of the following values: - *