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126 changes: 126 additions & 0 deletions
126
ffmpeg/src/main/java/com/coder/ffmpeg/jni/FFmpegConfig.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,126 @@ | ||
| package com.coder.ffmpeg.jni | ||
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| import android.content.Context | ||
| import java.io.File | ||
| import java.io.FileOutputStream | ||
| import java.io.IOException | ||
| import java.util.Collections | ||
| import java.util.concurrent.atomic.AtomicReference | ||
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| class FFmpegConfig { | ||
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| companion object { | ||
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| init { | ||
| System.loadLibrary("ffmpeg-org") | ||
| System.loadLibrary("ffmpeg-command") | ||
| } | ||
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| /** | ||
| * Set the env of native | ||
| * @param name env name | ||
| * @param value env value | ||
| */ | ||
| private external fun setNativeEnv(name: String, value: String) | ||
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| /** | ||
| * Whether to enable debugging mode | ||
| * @param debug true or false | ||
| */ | ||
| external fun setDebug(debug: Boolean) | ||
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| /** | ||
| * Set font config dir for fontconfig | ||
| * Note：It's a config dir not font dir | ||
| * @param configPath the font config dir | ||
| */ | ||
| fun setFontConfigPath(configPath: String) { | ||
| setNativeEnv("FONTCONFIG_PATH", configPath) | ||
| } | ||
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| /** | ||
| * Set font config file for fontconfig | ||
| * Note：It's a config file not font file | ||
| * @param configFile the font config file | ||
| */ | ||
| fun setFontConfigFile(configFile: String) { | ||
| setNativeEnv("FONTCONFIG_FILE", configFile) | ||
| } | ||
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| /** | ||
| * Set font dir for fontconfig | ||
| * @param context context for application | ||
| * @param fontDir the font dir contain fonts (.ttf and .otf files) | ||
| * @param fontNameMapping | ||
| */ | ||
| fun setFontDir(context: Context, fontDir:String, fontNameMapping: Map<String, String>){ | ||
| setFontDirList(context, Collections.singletonList(fontDir),fontNameMapping) | ||
| } | ||
| /** | ||
| * Set font dir for fontconfig | ||
| * @param context context for application | ||
| * @param fontDirList list of directories that contain fonts (.ttf and .otf files) | ||
| */ | ||
| fun setFontDirList(context: Context, fontDirList: List<String>, fontNameMapping: Map<String, String>) { | ||
| var validFontNameMappingCount = 0 | ||
| val cacheDir = context.cacheDir | ||
| val fontConfigDir = File(cacheDir, "fontconfig") | ||
| if (!fontConfigDir.exists()) { | ||
| fontConfigDir.mkdirs() | ||
| } | ||
| // Create font config | ||
| val fontConfigFile = File(fontConfigDir, "fonts.conf") | ||
| if (fontConfigFile.exists() && fontConfigFile.isFile) { | ||
| fontConfigFile.delete() | ||
| } | ||
| fontConfigFile.createNewFile() | ||
| val fontNameMappingBlock = StringBuilder() | ||
| if (fontNameMapping.isNotEmpty()){ | ||
| for (entry in fontNameMapping.entries) { | ||
| val fontName: String = entry.key | ||
| val mappedFontName: String = entry.value | ||
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| if ((fontName.trim().isNotEmpty()) && (mappedFontName.trim().isNotEmpty())) { | ||
| fontNameMappingBlock.append(" <match target=\"pattern\">\n"); | ||
| fontNameMappingBlock.append(" <test qual=\"any\" name=\"family\">\n"); | ||
| fontNameMappingBlock.append(String.format(" <string>%s</string>\n", fontName)); | ||
| fontNameMappingBlock.append(" </test>\n"); | ||
| fontNameMappingBlock.append(" <edit name=\"family\" mode=\"assign\" binding=\"same\">\n"); | ||
| fontNameMappingBlock.append(String.format(" <string>%s</string>\n", mappedFontName)); | ||
| fontNameMappingBlock.append(" </edit>\n"); | ||
| fontNameMappingBlock.append(" </match>\n"); | ||
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| validFontNameMappingCount++ | ||
| } | ||
| } | ||
| } | ||
| val fontConfigBuilder = StringBuilder() | ||
| fontConfigBuilder.append("<?xml version=\"1.0\"?>\n") | ||
| fontConfigBuilder.append("<!DOCTYPE fontconfig SYSTEM \"fonts.dtd\">\n") | ||
| fontConfigBuilder.append("<fontconfig>\n") | ||
| fontConfigBuilder.append(" <dir prefix=\"cwd\">.</dir>\n") | ||
| for (fontDirectoryPath in fontDirList) { | ||
| fontConfigBuilder.append(" <dir>") | ||
| fontConfigBuilder.append(fontDirectoryPath) | ||
| fontConfigBuilder.append("</dir>\n") | ||
| } | ||
| fontConfigBuilder.append(fontNameMappingBlock) | ||
| fontConfigBuilder.append("</fontconfig>\n") | ||
| val reference = AtomicReference<FileOutputStream>() | ||
| try { | ||
| val outputStream = FileOutputStream(fontConfigFile) | ||
| reference.set(outputStream) | ||
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| outputStream.write(fontConfigBuilder.toString().toByteArray()) | ||
| outputStream.flush() | ||
| setFontConfigPath(fontConfigDir.absolutePath) | ||
| }catch (e:IOException){ | ||
| e.printStackTrace() | ||
| }finally { | ||
| reference.get().close() | ||
| } | ||
| } | ||
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| } | ||
| } |