更改播放器为media_kit

lib/features/player/core/abs_audio_handler.dart

@@ -1,10 +1,48 @@
 import 'package:audio_service/audio_service.dart';
-import 'package:just_audio/just_audio.dart';
+import 'package:media_kit/media_kit.dart';
 
 class AbsAudioHandler extends BaseAudioHandler with QueueHandler, SeekHandler {
-  final AudioPlayer player;
+  final Player player = Player();
 
-  AbsAudioHandler(this.player);
+  AbsAudioHandler() {
+    // 1. 转发播放/暂停状态
+    player.stream.playing.listen((bool playing) {
+      playbackState.add(playbackState.value.copyWith(
+        playing: playing,
+        // 根据 playing 和实际情况更新 processingState
+        processingState:
+            playing ? AudioProcessingState.ready : AudioProcessingState.idle,
+      ));
+    });
+    // 2. 转发播放位置
+    player.stream.position.listen((Duration position) {
+      playbackState.add(playbackState.value.copyWith(
+        updatePosition: position,
+      ));
+    });
+    // 3. 转发媒体总时长
+    player.stream.duration.listen((Duration? duration) {
+      // 当有新的媒体加载时，更新 mediaItem 的 duration
+      final currentItem = mediaItem.value;
+      if (currentItem != null && duration != null) {
+        mediaItem.add(currentItem.copyWith(duration: duration));
+      }
+    });
+    player.stream.completed.listen((bool playing) {
+      print('播放完成');
+    });
+  }
+
+  Future<void> playOrPause() async {
+    await player.playOrPause();
+  }
+
+  Future<void> setMediaItem(MediaItem mediaItem) async {
+    this.mediaItem.add(mediaItem);
+    await player.open(Media(mediaItem.id), play: false);
+    // ignore: unnecessary_null_comparison
+    await player.stream.duration.firstWhere((d) => d != null);
+  }
 
   // 播放控制方法重写
   @override
@@ -19,12 +57,12 @@ class AbsAudioHandler extends BaseAudioHandler with QueueHandler, SeekHandler {
 
   @override
   Future<void> skipToNext() async {
-    await player.seekToNext();
+    await player.next();
   }
 
   @override
   Future<void> skipToPrevious() async {
-    await player.seekToPrevious();
+    await player.previous();
   }
 
   @override
@@ -34,6 +72,10 @@ class AbsAudioHandler extends BaseAudioHandler with QueueHandler, SeekHandler {
 
   @override
   Future<void> setSpeed(double speed) async {
-    await player.setSpeed(speed);
+    await player.setRate(speed);
+  }
+
+  Future<void> setVolume(double volume) async {
+    await player.setVolume(volume);
   }
 }

lib/features/player/core/abs_audio_player.dart

@@ -1,5 +1,29 @@
 // ignore_for_file: public_member_api_docs, sort_constructors_first
-import 'package:just_audio/just_audio.dart';
-import 'package:shelfsdk/audiobookshelf_api.dart';
+// import 'package:just_audio/just_audio.dart';
+import 'package:shelfsdk/audiobookshelf_api.dart' as api;
 
-class AbsAudioPlayer extends AudioPlayer {}
+class AbsPlayerState {
+  api.BookExpanded? book;
+  // 当前章节
+  final api.BookChapter? currentChapter;
+  // 当前音轨序号
+  final int currentIndex;
+
+  AbsPlayerState({
+    this.book,
+    this.currentChapter,
+    this.currentIndex = 0,
+  });
+
+  AbsPlayerState copyWith({
+    api.BookExpanded? book,
+    api.BookChapter? currentChapter,
+    int? currentIndex,
+  }) {
+    return AbsPlayerState(
+      book: book ?? this.book,
+      currentChapter: currentChapter ?? this.currentChapter,
+      currentIndex: currentIndex ?? this.currentIndex,
+    );
+  }
+}

lib/features/player/core/init.dart

@@ -0,0 +1,30 @@
+import 'package:audio_service/audio_service.dart';
+import 'package:audio_session/audio_session.dart';
+import 'package:media_kit/media_kit.dart';
+import 'package:vaani/features/player/core/abs_audio_handler.dart' as core;
+
+Future<core.AbsAudioHandler> absAudioHandlerInit() async {
+  // for playing audio on windows, linux
+  MediaKit.ensureInitialized();
+  // for configuring how this app will interact with other audio apps
+  final session = await AudioSession.instance;
+  await session.configure(const AudioSessionConfiguration.speech());
+
+  final audioService = await AudioService.init(
+    builder: () => core.AbsAudioHandler(),
+    config: const AudioServiceConfig(
+      androidNotificationChannelId: 'dr.blank.vaani.channel.audio',
+      androidNotificationChannelName: 'ABSPlayback',
+      androidNotificationChannelDescription:
+          'Needed to control audio from lock screen',
+      androidNotificationOngoing: false,
+      androidStopForegroundOnPause: false,
+      androidNotificationIcon: 'drawable/ic_stat_logo',
+      preloadArtwork: true,
+      // fastForwardInterval: Duration(seconds: 20),
+      // rewindInterval: Duration(seconds: 20),
+    ),
+  );
+
+  return audioService;
+}