Trying to make background work with visualizer

useronym · Apr 11, 2024 · e2d2fe7 · e2d2fe7
1 parent 0caa1fa
commit e2d2fe7
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Showing 3 changed files with 49 additions and 9 deletions.
diff --git a/just_audio/pubspec.yaml b/just_audio/pubspec.yaml
@@ -14,12 +14,12 @@ environment:
   flutter: ">=3.0.0"
 
 dependencies:
-  just_audio_platform_interface: ^4.2.2
-  # just_audio_platform_interface:
-  #   path: ../just_audio_platform_interface
-  just_audio_web: ^0.4.9
-  # just_audio_web:
-  #   path: ../just_audio_web
+  # just_audio_platform_interface: ^4.2.2
+  just_audio_platform_interface:
+    path: ../just_audio_platform_interface
+  # just_audio_web: ^0.4.9
+  just_audio_web:
+    path: ../just_audio_web
   audio_session: ^0.1.14
   rxdart: '>=0.26.0 <0.28.0'
   path: ^1.8.0

diff --git a/just_audio_background/lib/just_audio_background.dart b/just_audio_background/lib/just_audio_background.dart
@@ -362,6 +362,24 @@ class _JustAudioPlayer extends AudioPlayerPlatform {
   Future<SetPreferredPeakBitRateResponse> setPreferredPeakBitRate(
           SetPreferredPeakBitRateRequest request) =>
       _playerAudioHandler.customSetPreferredPeakBitRate(request);
+
+  @override
+  Future<StartVisualizerResponse> startVisualizer(
+      StartVisualizerRequest request) =>
+        _playerAudioHandler.customStartVisualizer(request);
+
+  @override
+  Future<StopVisualizerResponse> stopVisualizer(StopVisualizerRequest request) {
+    throw UnimplementedError("stopVisualizer() has not been implemented.");
+  }
+
+  @override
+  Stream<VisualizerWaveformCaptureMessage> get visualizerWaveformStream =>
+    _playerAudioHandler.customVisualizerWaveformStream;
+
+  @override
+  Stream<VisualizerFftCaptureMessage> get visualizerFftStream =>
+    _playerAudioHandler.customVisualizerFftStream;
 }
 
 class _PlayerAudioHandler extends BaseAudioHandler
@@ -388,6 +406,12 @@ class _PlayerAudioHandler extends BaseAudioHandler
   List<int> _effectiveIndices = [];
   List<int> _effectiveIndicesInv = [];
 
+  final StreamController<VisualizerWaveformCaptureMessage> _visualizerWaveformStreamController = StreamController<VisualizerWaveformCaptureMessage>();
+  Stream<VisualizerWaveformCaptureMessage> get customVisualizerWaveformStream => _visualizerWaveformStreamController.stream;
+
+  final StreamController<VisualizerFftCaptureMessage> _visualizerFftStreamController = StreamController<VisualizerFftCaptureMessage>();
+  Stream<VisualizerFftCaptureMessage> get customVisualizerFftStream => _visualizerFftStreamController.stream;
+
   Future<AudioPlayerPlatform> get _player => _playerCompleter.future;
   int? get index => _justAudioEvent.currentIndex;
   MediaItem? get currentMediaItem => index != null &&
@@ -456,6 +480,14 @@ class _PlayerAudioHandler extends BaseAudioHandler
             mediaItem.add(currentMediaItem!);
           }
         });
+
+    player.visualizerWaveformStream.listen((event) {
+      _visualizerWaveformStreamController.add(event);
+    });
+
+    player.visualizerFftStream.listen((event) {
+      _visualizerFftStreamController.add(event);
+    });
   }
 
   @override
@@ -581,6 +613,14 @@ class _PlayerAudioHandler extends BaseAudioHandler
           SetPreferredPeakBitRateRequest request) async =>
       await (await _player).setPreferredPeakBitRate(request);
 
+  Future<StartVisualizerResponse> customStartVisualizer(
+      StartVisualizerRequest request) async =>
+        await (await _player).startVisualizer(request);
+
+  Future<StopVisualizerResponse> customStopVisualizer(
+      StopVisualizerRequest request) async =>
+        await (await _player).stopVisualizer(request);
+
   void _updateQueue() {
     queue.add(sequence.map((source) => source.tag as MediaItem).toList());
   }

diff --git a/just_audio_background/pubspec.yaml b/just_audio_background/pubspec.yaml
@@ -9,9 +9,9 @@ topics:
   - background
 
 dependencies:
-  just_audio_platform_interface: ^4.2.2
-  # just_audio_platform_interface:
-  #   path: ../just_audio_platform_interface
+  # just_audio_platform_interface: ^4.2.2
+  just_audio_platform_interface:
+    path: ../just_audio_platform_interface
   audio_service: ^0.18.9
   audio_session: ^0.1.14
   flutter: