fix(iOS): ensure sampleRate settings get applied appropriately (#61)

anarchuser · Apr 1, 2023 · 66efe47 · 66efe47
1 parent 789d04a
commit 66efe47
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Showing 15 changed files with 116 additions and 73 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1,6 +1,8 @@
 .DS_Store
 .dart_tool/
 
+.vscode
+
 .idea
 .packages
 .pub/

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 0.6.5
+* Fixed sampleRate settings to be adapted to iOS
+
 ## 0.6.4
 
 * Change interface from having const default values to taking nullable parameters (#54)

diff --git a/example/ios/Flutter/AppFrameworkInfo.plist b/example/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>8.0</string>
+  <string>11.0</string>
 </dict>
 </plist>
diff --git a/example/ios/Podfile b/example/ios/Podfile
@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-# platform :ios, '9.0'
+# platform :ios, '11.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'

diff --git a/example/ios/Runner.xcodeproj/project.pbxproj b/example/ios/Runner.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 50;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -163,7 +163,7 @@
 		97C146E61CF9000F007C117D /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1300;
 				ORGANIZATIONNAME = "";
 				TargetAttributes = {
 					97C146ED1CF9000F007C117D = {
@@ -207,6 +207,7 @@
 /* Begin PBXShellScriptBuildPhase section */
 		3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@@ -238,6 +239,7 @@
 		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@@ -347,7 +349,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -363,7 +365,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = TM2B4SJXNJ;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -378,7 +380,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = "com.aaron.mic-stream-example";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.example.mic-tester";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
@@ -433,7 +435,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -482,7 +484,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -500,7 +502,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = TM2B4SJXNJ;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -515,7 +517,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = "com.aaron.mic-stream-example";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.example.mic-tester";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -531,7 +533,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = TM2B4SJXNJ;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -546,7 +548,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = "com.aaron.mic-stream-example";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.example.mic-tester";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;

diff --git a/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -27,8 +27,6 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-      </Testables>
       <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
@@ -38,8 +36,8 @@
             ReferencedContainer = "container:Runner.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
+      <Testables>
+      </Testables>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -61,8 +59,6 @@
             ReferencedContainer = "container:Runner.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Profile"

diff --git a/example/ios/Runner/Info.plist b/example/ios/Runner/Info.plist
@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleExecutable</key>
@@ -24,6 +26,8 @@
 	<true/>
 	<key>NSMicrophoneUsageDescription</key>
 	<string>Microphone access required</string>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>

diff --git a/example/lib/main.dart b/example/lib/main.dart
@@ -2,10 +2,7 @@ import 'dart:async';
 import 'dart:math';
 import 'dart:core';
 
-import 'package:flutter/widgets.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/animation.dart';
-import 'package:flutter/rendering.dart';
 
 import 'package:mic_stream/mic_stream.dart';
 
@@ -35,7 +32,6 @@ class _MicStreamExampleAppState extends State<MicStreamExampleApp>
 
   Random rng = new Random();
 
-
   // Refreshes the Widget for every possible tick to force a rebuild of the sound wave
   late AnimationController controller;
 
@@ -48,7 +44,6 @@ class _MicStreamExampleAppState extends State<MicStreamExampleApp>
   int page = 0;
   List state = ["SoundWavePage", "IntensityWavePage", "InformationPage"];
 
-
   @override
   void initState() {
     print("Init application");
@@ -79,7 +74,6 @@ class _MicStreamExampleAppState extends State<MicStreamExampleApp>
   Future<bool> _changeListening() async =>
       !isRecording ? await _startListening() : _stopListening();
 
-
   late int bytesPerSample;
   late int samplesPerSecond;
 
@@ -96,13 +90,15 @@ class _MicStreamExampleAppState extends State<MicStreamExampleApp>
 
     stream = await MicStream.microphone(
         audioSource: AudioSource.DEFAULT,
-        sampleRate: 1000 * (rng.nextInt(50) + 30),
+        // sampleRate: 1000 * (rng.nextInt(50) + 30),
+        sampleRate: 48000,
         channelConfig: ChannelConfig.CHANNEL_IN_MONO,
         audioFormat: AUDIO_FORMAT);
     // after invoking the method for the first time, though, these will be available;
     // It is not necessary to setup a listener first, the stream only needs to be returned first
-    print("Start Listening to the microphone, sample rate is ${await MicStream.sampleRate}, bit depth is ${await MicStream.bitDepth}, bufferSize: ${await MicStream.bufferSize}");
-		bytesPerSample = (await MicStream.bitDepth)! ~/ 8;
+    print(
+        "Start Listening to the microphone, sample rate is ${await MicStream.sampleRate}, bit depth is ${await MicStream.bitDepth}, bufferSize: ${await MicStream.bufferSize}");
+    bytesPerSample = (await MicStream.bitDepth)! ~/ 8;
     samplesPerSecond = (await MicStream.sampleRate)!.toInt();
     localMax = null;
     localMin = null;
@@ -117,10 +113,8 @@ class _MicStreamExampleAppState extends State<MicStreamExampleApp>
   }
 
   void _calculateSamples(samples) {
-    if (page == 0)
-      _calculateWaveSamples(samples);
-    else if (page == 1)
-      _calculateIntensitySamples(samples);
+    if (page == 0) _calculateWaveSamples(samples);
+    else if (page == 1) _calculateIntensitySamples(samples);
   }
 
   void _calculateWaveSamples(samples) {
@@ -144,28 +138,29 @@ class _MicStreamExampleAppState extends State<MicStreamExampleApp>
       }
       first = !first;
     }
-    print(visibleSamples);
+    print(visibleSamples.length);
   }
 
   void _calculateIntensitySamples(samples) {
     currentSamples ??= [];
     int currentSample = 0;
     eachWithIndex(samples, (i, int sample) {
       currentSample += sample;
-      if ((i % bytesPerSample) == bytesPerSample-1) {
+      if ((i % bytesPerSample) == bytesPerSample - 1) {
         currentSamples!.add(currentSample);
         currentSample = 0;
       }
     });
 
-    if (currentSamples!.length >= samplesPerSecond/10) {
-      visibleSamples.add(currentSamples!.map((i) => i).toList().reduce((a, b) => a+b));
+    if (currentSamples!.length >= samplesPerSecond / 10) {
+      visibleSamples
+          .add(currentSamples!.map((i) => i).toList().reduce((a, b) => a + b));
       localMax ??= visibleSamples.last;
       localMin ??= visibleSamples.last;
       localMax = max(localMax!, visibleSamples.last);
       localMin = min(localMin!, visibleSamples.last);
       currentSamples = [];
-      setState(() {}); 
+      setState(() {});
     }
   }
 
@@ -195,8 +190,7 @@ class _MicStreamExampleAppState extends State<MicStreamExampleApp>
             if (isRecording) setState(() {});
           })
           ..addStatusListener((status) {
-            if (status == AnimationStatus.completed)
-              controller.reverse();
+            if (status == AnimationStatus.completed) controller.reverse();
             else if (status == AnimationStatus.dismissed) controller.forward();
           })
           ..forward();
@@ -297,7 +291,8 @@ class WavePainter extends CustomPainter {
   // int absMax = 255*4; //(AUDIO_FORMAT == AudioFormat.ENCODING_PCM_8BIT) ? 127 : 32767;
   // int absMin; //(AUDIO_FORMAT == AudioFormat.ENCODING_PCM_8BIT) ? 127 : 32767;
 
-  WavePainter({this.samples, this.color, this.context, this.localMax, this.localMin});
+  WavePainter(
+      {this.samples, this.color, this.context, this.localMax, this.localMin});
 
   @override
   void paint(Canvas canvas, Size? size) {
@@ -309,9 +304,7 @@ class WavePainter extends CustomPainter {
       ..strokeWidth = 1.0
       ..style = PaintingStyle.stroke;
 
-    if (samples!.length == 0)
-      return; 
-
+    if (samples!.length == 0) return;
 
     points = toPoints(samples);
 
@@ -327,18 +320,22 @@ class WavePainter extends CustomPainter {
   // Maps a list of ints and their indices to a list of points on a cartesian grid
   List<Offset> toPoints(List<int>? samples) {
     List<Offset> points = [];
-    if (samples == null)
-      samples = List<int>.filled(size!.width.toInt(), (0.5).toInt());
-    double pixelsPerSample = size!.width/samples.length;
+    if (samples == null) samples = List<int>.filled(size!.width.toInt(), (0.5).toInt());
+    double pixelsPerSample = size!.width / samples.length;
     for (int i = 0; i < samples.length; i++) {
-      var point = Offset(i * pixelsPerSample, 0.5 * size!.height * pow((samples[i] - localMin!)/(localMax! - localMin!), 5));
+      var point = Offset(
+          i * pixelsPerSample,
+          0.5 *
+              size!.height *
+              pow((samples[i] - localMin!) / (localMax! - localMin!), 5));
       points.add(point);
     }
     return points;
   }
 
   double project(int val, int max, double height) {
-    double waveHeight = (max == 0) ? val.toDouble() : (val / max) * 0.5 * height;
+    double waveHeight =
+        (max == 0) ? val.toDouble() : (val / max) * 0.5 * height;
     return waveHeight + 0.5 * height;
   }
 }
@@ -370,7 +367,6 @@ class Statistics extends StatelessWidget {
   }
 }
 
-
 Iterable<T> eachWithIndex<E, T>(
     Iterable<T> items, E Function(int index, T item) f) {
   var index = 0;
@@ -382,4 +378,3 @@ Iterable<T> eachWithIndex<E, T>(
 
   return items;
 }
-
diff --git a/example/macos/Podfile b/example/macos/Podfile
@@ -1,4 +1,4 @@
-platform :osx, '10.11'
+platform :osx, '10.14'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'