982 lines
31 KiB
Dart
982 lines
31 KiB
Dart
import 'package:audio_service/audio_service.dart';
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import 'package:audio_session/audio_session.dart';
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import 'package:equalizer/equalizer.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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import 'package:freezer/api/cache.dart';
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import 'package:freezer/api/deezer.dart';
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import 'package:freezer/ui/android_auto.dart';
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import 'package:just_audio/just_audio.dart';
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import 'package:connectivity/connectivity.dart';
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import 'package:path/path.dart' as p;
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import 'package:path_provider/path_provider.dart';
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import 'package:freezer/translations.i18n.dart';
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import 'package:collection/collection.dart';
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import 'package:scrobblenaut/scrobblenaut.dart';
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import 'definitions.dart';
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import '../settings.dart';
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import 'dart:io';
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import 'dart:async';
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import 'dart:convert';
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PlayerHelper playerHelper = PlayerHelper();
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late AudioHandler audioHandler;
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class PlayerHelper {
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late StreamSubscription _customEventSubscription;
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late StreamSubscription _mediaItemSubscription;
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late StreamSubscription _playbackStateStreamSubscription;
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QueueSource? queueSource;
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AudioServiceRepeatMode repeatType = AudioServiceRepeatMode.none;
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Timer? _timer;
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int? audioSession;
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int? _prevAudioSession;
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bool equalizerOpen = false;
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bool _shuffleEnabled = false;
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int _queueIndex = 0;
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//Visualizer
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StreamController _visualizerController = StreamController.broadcast();
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Stream get visualizerStream => _visualizerController.stream;
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/// Find queue index by id
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///
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/// The function gets more expensive the longer the queue is and the further the element is from the beginning.
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int getQueueIndexFromId() => audioHandler.mediaItem.value == null
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? -1
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: audioHandler.queue.value
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.indexWhere((mi) => mi.id == audioHandler.mediaItem.value!.id);
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int getQueueIndex() =>
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audioHandler.playbackState.value.queueIndex ?? getQueueIndexFromId();
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int get queueIndex => _queueIndex;
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Future<void> initAudioHandler() async {
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// initialize our audiohandler instance
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audioHandler = await AudioService.init(
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builder: () => AudioPlayerTask(),
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config: AudioServiceConfig(
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notificationColor: settings.primaryColor,
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androidStopForegroundOnPause: false,
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androidNotificationOngoing: false,
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androidNotificationClickStartsActivity: true,
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androidNotificationChannelDescription: 'Freezer',
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androidNotificationChannelName: 'Freezer',
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androidNotificationIcon: 'drawable/ic_logo',
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preloadArtwork: false,
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),
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);
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}
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Future<void> start() async {
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audioHandler.customAction(
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'start', {'ignoreInterruptions': settings.ignoreInterruptions});
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//Subscribe to custom events
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_customEventSubscription = audioHandler.customEvent.listen((event) async {
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if (!(event is Map)) return;
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switch (event['action']) {
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case 'onLoad':
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//After audio_service is loaded, load queue, set quality
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await settings.updateAudioServiceQuality();
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await audioHandler.customAction('load');
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await authorizeLastFM();
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break;
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case 'onRestore':
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//Load queueSource from isolate
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this.queueSource = QueueSource.fromJson(event['queueSource']);
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repeatType = AudioServiceRepeatMode.values[event['loopMode']];
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_queueIndex = getQueueIndex();
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break;
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case 'queueEnd':
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//If last song is played, load more queue
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this.queueSource = QueueSource.fromJson(event['queueSource']);
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// onQueueEnd();
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break;
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case 'screenAndroidAuto':
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AndroidAuto androidAuto = AndroidAuto();
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List<MediaItem> data = await androidAuto.getScreen(event['id']);
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await audioHandler
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.customAction('screenAndroidAuto', {'val': jsonEncode(data)});
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break;
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case 'tracksAndroidAuto':
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AndroidAuto androidAuto = AndroidAuto();
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await androidAuto.playItem(event['id']);
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break;
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case 'audioSession':
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if (!settings.enableEqualizer) break;
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//Save
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_prevAudioSession = audioSession;
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audioSession = event['id'];
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if (audioSession == null) break;
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//Open EQ
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if (!equalizerOpen) {
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Equalizer.open(event['id']);
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equalizerOpen = true;
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break;
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}
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//Change session id
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if (_prevAudioSession != audioSession) {
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if (_prevAudioSession != null)
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Equalizer.removeAudioSessionId(_prevAudioSession!);
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Equalizer.setAudioSessionId(audioSession!);
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}
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break;
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//Visualizer data
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case 'visualizer':
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_visualizerController.add(event['data']);
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break;
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}
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});
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_mediaItemSubscription = audioHandler.mediaItem.listen((mediaItem) async {
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if (mediaItem == null) return;
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final queue = audioHandler.queue.value;
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final nextIndex = (_queueIndex + 1) % queue.length;
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print('animating $nextIndex');
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_queueIndex = getQueueIndex();
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//Load more flow if last song (not using .last since it iterates through previous elements first)
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if (mediaItem.id == queue[queue.length - 1].id) await onQueueEnd();
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//Save queue
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await audioHandler.customAction('saveQueue', {});
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//Add to history
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if (cache.history.length > 0 && cache.history.last.id == mediaItem.id)
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return;
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cache.history.add(Track.fromMediaItem(mediaItem));
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cache.save();
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});
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//Logging listen timer
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_timer = Timer.periodic(Duration(seconds: 2), (timer) async {
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if (audioHandler.mediaItem.value == null ||
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!audioHandler.playbackState.value.playing) return;
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if (audioHandler.playbackState.value.position.inSeconds >
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(audioHandler.mediaItem.value!.duration!.inSeconds * 0.75)) {
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if (cache.loggedTrackId == audioHandler.mediaItem.value!.id) return;
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cache.loggedTrackId = audioHandler.mediaItem.value!.id;
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await cache.save();
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//Log to Deezer
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if (settings.logListen!) {
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deezerAPI.logListen(audioHandler.mediaItem.value!.id);
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}
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}
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});
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//Start audio_service
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// await startService(); it is already ready, there is no need to start it
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}
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Future authorizeLastFM() async {
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if (settings.lastFMUsername == null || settings.lastFMPassword == null)
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return;
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await audioHandler.customAction('authorizeLastFM', {
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'username': settings.lastFMUsername,
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'password': settings.lastFMPassword
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});
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}
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Future<bool> toggleShuffle() async {
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await audioHandler.setShuffleMode((_shuffleEnabled = !_shuffleEnabled)
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? AudioServiceShuffleMode.all
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: AudioServiceShuffleMode.none);
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return _shuffleEnabled;
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}
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bool get shuffleEnabled => _shuffleEnabled;
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//Repeat toggle
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Future changeRepeat() async {
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//Change to next repeat type
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repeatType = repeatType == AudioServiceRepeatMode.all
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? AudioServiceRepeatMode.none
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: repeatType == AudioServiceRepeatMode.none
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? AudioServiceRepeatMode.one
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: AudioServiceRepeatMode.all;
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//Set repeat type
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await audioHandler.setRepeatMode(repeatType);
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}
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//Executed before exit
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Future onExit() async {
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_customEventSubscription.cancel();
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_playbackStateStreamSubscription.cancel();
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_mediaItemSubscription.cancel();
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}
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//Replace queue, play specified track id
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Future _loadQueuePlay(List<MediaItem> queue, String? trackId) async {
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await settings.updateAudioServiceQuality();
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await audioHandler.customAction(
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'setIndex', {'index': queue.indexWhere((m) => m.id == trackId)});
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await audioHandler.updateQueue(queue);
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// if (queue[0].id != trackId)
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// await AudioService.skipToQueueItem(trackId);
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if (!audioHandler.playbackState.value.playing) audioHandler.play();
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}
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//Called when queue ends to load more tracks
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Future onQueueEnd() async {
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if (queueSource == null) return;
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List<Track>? tracks;
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switch (queueSource!.source) {
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//Flow
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case 'flow':
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tracks = await deezerAPI.flow();
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break;
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//SmartRadio/Artist radio
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case 'smartradio':
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tracks = await (deezerAPI.smartRadio(queueSource!.id!)
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as FutureOr<List<Track>>);
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break;
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//Library shuffle
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case 'libraryshuffle':
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tracks = await deezerAPI.libraryShuffle(
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start: audioHandler.queue.value.length);
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break;
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case 'mix':
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tracks = await deezerAPI.playMix(queueSource!.id);
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// Deduplicate tracks with the same id
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List<String> queueIds =
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audioHandler.queue.value.map((e) => e.id).toList();
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tracks?.removeWhere((track) => queueIds.contains(track.id));
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break;
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default:
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return;
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// print(queueSource.toJson());
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}
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if (tracks == null) {
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throw Exception(
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'Failed to fetch more queue songs (queueSource: ${queueSource!.toJson()})');
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}
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List<MediaItem> mi = tracks.map<MediaItem>((t) => t.toMediaItem()).toList();
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await audioHandler.addQueueItems(mi);
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// AudioService.skipToNext();
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}
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//Play track from album
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Future playFromAlbum(Album album, String trackId) async {
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await playFromTrackList(album.tracks!, trackId,
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QueueSource(id: album.id, text: album.title, source: 'album'));
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}
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//Play mix by track
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Future playMix(String trackId, String trackTitle) async {
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List<Track> tracks = (await deezerAPI.playMix(trackId))!;
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playFromTrackList(
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tracks,
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tracks[0].id,
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QueueSource(
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id: trackId,
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text: 'Mix based on'.i18n + ' $trackTitle',
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source: 'mix'));
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}
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//Play from artist top tracks
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Future playFromTopTracks(
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List<Track> tracks, String trackId, Artist artist) async {
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await playFromTrackList(
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tracks,
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trackId,
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QueueSource(
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id: artist.id, text: 'Top ${artist.name}', source: 'topTracks'));
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}
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Future playFromPlaylist(Playlist playlist, String trackId) async {
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await playFromTrackList(playlist.tracks!, trackId,
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QueueSource(id: playlist.id, text: playlist.title, source: 'playlist'));
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}
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//Play episode from show, load whole show as queue
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Future playShowEpisode(Show show, List<ShowEpisode> episodes,
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{int index = 0}) async {
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QueueSource queueSource =
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QueueSource(id: show.id, text: show.name, source: 'show');
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//Generate media items
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List<MediaItem> queue =
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episodes.map<MediaItem>((e) => e.toMediaItem(show)).toList();
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//Load and play
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// await startService(); // audioservice is ready
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await settings.updateAudioServiceQuality();
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await setQueueSource(queueSource);
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await audioHandler.customAction('setIndex', {'index': index});
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await audioHandler.updateQueue(queue);
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if (!audioHandler.playbackState.value.playing) audioHandler.play();
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}
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//Load tracks as queue, play track id, set queue source
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Future playFromTrackList(
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List<Track?> tracks, String? trackId, QueueSource queueSource) async {
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List<MediaItem> queue =
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tracks.map<MediaItem>((track) => track!.toMediaItem()).toList();
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await setQueueSource(queueSource);
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await _loadQueuePlay(queue, trackId);
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}
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//Load smart track list as queue, start from beginning
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Future playFromSmartTrackList(SmartTrackList stl) async {
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//Load from API if no tracks
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if (stl.tracks == null || stl.tracks!.length == 0) {
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if (settings.offlineMode) {
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Fluttertoast.showToast(
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msg: "Offline mode, can't play flow or smart track lists.".i18n,
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gravity: ToastGravity.BOTTOM,
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toastLength: Toast.LENGTH_SHORT);
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return;
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}
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//Flow songs cannot be accessed by smart track list call
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if (stl.id == 'flow') {
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stl.tracks = await deezerAPI.flow();
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} else {
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stl = await deezerAPI.smartTrackList(stl.id);
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}
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}
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QueueSource queueSource = QueueSource(
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id: stl.id,
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source: (stl.id == 'flow') ? 'flow' : 'smarttracklist',
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text: stl.title ??
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((stl.id == 'flow') ? 'Flow'.i18n : 'Smart track list'.i18n));
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await playFromTrackList(stl.tracks!, stl.tracks![0].id, queueSource);
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}
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Future setQueueSource(QueueSource queueSource) async {
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this.queueSource = queueSource;
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await audioHandler.customAction('queueSource', queueSource.toJson());
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}
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//Reorder tracks in queue
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Future reorder(int oldIndex, int newIndex) async {
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await audioHandler
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.customAction('reorder', {'oldIndex': oldIndex, 'newIndex': newIndex});
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}
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//Start visualizer
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// Future startVisualizer() async {
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// await audioHandler.customAction('startVisualizer');
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// }
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//Stop visualizer
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// Future stopVisualizer() async {
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// await audioHandler.customAction('stopVisualizer');
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// }
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}
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class AudioPlayerTask extends BaseAudioHandler {
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late AudioPlayer _player;
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//Queue
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List<MediaItem>? _originalQueue;
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int _queueIndex = 0;
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bool _isInitialized = false;
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late ConcatenatingAudioSource _audioSource;
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Seeker? _seeker;
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//Stream subscriptions
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StreamSubscription? _eventSub;
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StreamSubscription? _audioSessionSub;
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StreamSubscription? _visualizerSubscription;
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//Loaded from file/frontend
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int? mobileQuality;
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int? wifiQuality;
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QueueSource? queueSource;
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Duration? _lastPosition;
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AudioServiceRepeatMode _repeatMode = AudioServiceRepeatMode.none;
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Completer<List<MediaItem>>? _androidAutoCallback;
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Scrobblenaut? _scrobblenaut;
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bool _scrobblenautReady = false;
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// Last logged track id
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String? _loggedTrackId;
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MediaItem get currentMediaItem => queue.value[_queueIndex];
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Future onStart(Map<String, dynamic>? params) async {
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final session = await AudioSession.instance;
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session.configure(AudioSessionConfiguration.music());
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if (params?['ignoreInterruptions'] == true) {
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_player = AudioPlayer(handleInterruptions: false);
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session.interruptionEventStream.listen((_) {});
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session.becomingNoisyEventStream.listen((_) {});
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} else
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_player = AudioPlayer();
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//Update track index
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_player.currentIndexStream.listen((index) {
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if (index != null) {
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_queueIndex = index;
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mediaItem.add(currentMediaItem);
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}
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});
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//Update state on all clients on change
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_eventSub = _player.playbackEventStream.listen((event) {
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//Quality string
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if (_queueIndex != -1 && _queueIndex < queue.value.length) {
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Map extras = currentMediaItem.extras!;
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extras['qualityString'] = '';
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queue.value[_queueIndex] =
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currentMediaItem.copyWith(extras: extras as Map<String, dynamic>?);
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}
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//Update
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_broadcastState();
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});
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_player.processingStateStream.listen((state) {
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switch (state) {
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case ProcessingState.completed:
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//Player ended, get more songs
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if (_queueIndex == queue.value.length - 1)
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customEvent.add({
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'action': 'queueEnd',
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'queueSource': (queueSource ?? QueueSource()).toJson()
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});
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break;
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default:
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break;
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}
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});
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//Audio session
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_audioSessionSub = _player.androidAudioSessionIdStream.listen((event) {
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customEvent.add({'action': 'audioSession', 'id': event});
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});
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//Load queue
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// queue.add(_queue);
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customEvent.add({'action': 'onLoad'});
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}
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@override
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Future skipToQueueItem(int index) async {
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_lastPosition = null;
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//Skip in player
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await _player.seek(Duration.zero, index: index);
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_queueIndex = index;
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play();
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}
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@override
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Future play() async {
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_player.play();
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//Restore position on play
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if (_lastPosition != null) {
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seek(_lastPosition);
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_lastPosition = null;
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}
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//LastFM
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if (_scrobblenautReady && currentMediaItem.id != _loggedTrackId) {
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_loggedTrackId = currentMediaItem.id;
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await _scrobblenaut!.track.scrobble(
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track: currentMediaItem.title,
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artist: currentMediaItem.artist!,
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album: currentMediaItem.album,
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);
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}
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}
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@override
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Future pause() => _player.pause();
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@override
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Future seek(Duration? pos) => _player.seek(pos);
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@override
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Future<void> fastForward() =>
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_seekRelative(AudioService.config.fastForwardInterval);
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@override
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Future<void> rewind() => _seekRelative(-AudioService.config.rewindInterval);
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@override
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Future<void> seekForward(bool begin) async => _seekContinuously(begin, 1);
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@override
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Future<void> seekBackward(bool begin) async => _seekContinuously(begin, -1);
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//Remove item from queue
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@override
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Future<void> removeQueueItem(MediaItem mediaItem) async {
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int index = queue.value.indexWhere((m) => m.id == mediaItem.id);
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removeQueueItemAt(index);
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}
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@override
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Future<void> removeQueueItemAt(int index) async {
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if (index <= _queueIndex) {
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_queueIndex--;
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}
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await _audioSource.removeAt(index);
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queue.add(queue.value..removeAt(index));
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}
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@override
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Future<void> skipToNext() async {
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_lastPosition = null;
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if (_queueIndex == queue.value.length - 1) return;
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//Update buffering state
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_queueIndex++;
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await _player.seekToNext();
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_broadcastState();
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}
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|
|
|
@override
|
|
Future<void> skipToPrevious() async {
|
|
if (_queueIndex == 0) return;
|
|
//Update buffering state
|
|
//_skipState = AudioProcessingState.skippingToPrevious;
|
|
//Normal skip to previous
|
|
_queueIndex--;
|
|
await _player.seekToPrevious();
|
|
//_skipState = null;
|
|
}
|
|
|
|
@override
|
|
Future<List<MediaItem>> getChildren(String parentMediaId,
|
|
[Map<String, dynamic>? options]) async {
|
|
customEvent.add({'action': 'screenAndroidAuto', 'id': parentMediaId});
|
|
|
|
//Wait for data from main thread
|
|
_androidAutoCallback = Completer<List<MediaItem>>();
|
|
final data = await _androidAutoCallback!.future;
|
|
_androidAutoCallback = null;
|
|
return data;
|
|
}
|
|
|
|
//While seeking, jump 10s every 1s
|
|
void _seekContinuously(bool begin, int direction) {
|
|
_seeker?.stop();
|
|
if (begin) {
|
|
_seeker = Seeker(_player, Duration(seconds: 10 * direction),
|
|
Duration(seconds: 1), currentMediaItem)
|
|
..start();
|
|
}
|
|
}
|
|
|
|
//Relative seek
|
|
Future _seekRelative(Duration offset) async {
|
|
Duration newPos = _player.position + offset;
|
|
//Out of bounds check
|
|
if (newPos < Duration.zero) newPos = Duration.zero;
|
|
if (newPos > currentMediaItem.duration!)
|
|
newPos = currentMediaItem.duration!;
|
|
|
|
await _player.seek(newPos);
|
|
}
|
|
|
|
//Update state on all clients
|
|
void _broadcastState() {
|
|
playbackState.add(PlaybackState(
|
|
controls: [
|
|
/*if (_queueIndex != 0)*/ MediaControl.skipToPrevious,
|
|
_player.playing ? MediaControl.pause : MediaControl.play,
|
|
/*if (_queueIndex != _queue!.length - 1)*/ MediaControl.skipToNext,
|
|
//Stop
|
|
// MediaControl(
|
|
// androidIcon: 'drawable/ic_action_stop',
|
|
// label: 'stop',
|
|
// action: MediaAction.stop),
|
|
// i mean, the user can just swipe the notification away to stop
|
|
],
|
|
systemActions: const {
|
|
MediaAction.seek,
|
|
MediaAction.seekForward,
|
|
MediaAction.seekBackward,
|
|
MediaAction.stop
|
|
},
|
|
processingState: _getProcessingState(),
|
|
playing: _player.playing,
|
|
updatePosition: _player.position,
|
|
bufferedPosition: _player.bufferedPosition,
|
|
speed: _player.speed,
|
|
queueIndex: _queueIndex,
|
|
));
|
|
}
|
|
|
|
//just_audio state -> audio_service state. If skipping, use _skipState
|
|
AudioProcessingState _getProcessingState() {
|
|
return const <ProcessingState, AudioProcessingState>{
|
|
ProcessingState.idle: AudioProcessingState.idle,
|
|
ProcessingState.loading: AudioProcessingState.loading,
|
|
ProcessingState.buffering: AudioProcessingState.buffering,
|
|
ProcessingState.ready: AudioProcessingState.ready,
|
|
ProcessingState.completed: AudioProcessingState.completed
|
|
}[_player.processingState] ??
|
|
AudioProcessingState.idle;
|
|
}
|
|
|
|
//Replace current queue
|
|
@override
|
|
Future updateQueue(List<MediaItem> q) async {
|
|
_lastPosition = null;
|
|
//just_audio
|
|
_originalQueue = null;
|
|
_player.stop();
|
|
if (_isInitialized) _audioSource.clear();
|
|
//Filter duplicate IDs
|
|
List<MediaItem> newQueue = q.toSet().toList();
|
|
|
|
// broadcast to ui
|
|
queue.add(newQueue);
|
|
//Load
|
|
await _loadQueue();
|
|
//await _player.seek(Duration.zero, index: 0);
|
|
}
|
|
|
|
//Load queue to just_audio
|
|
Future _loadQueue() async {
|
|
//Don't reset queue index by starting player
|
|
int? qi = _queueIndex;
|
|
|
|
List<AudioSource> sources = [];
|
|
for (int i = 0; i < queue.value.length; i++) {
|
|
AudioSource s = await _mediaItemToAudioSource(queue.value[i]);
|
|
sources.add(s);
|
|
}
|
|
_audioSource = ConcatenatingAudioSource(children: sources);
|
|
|
|
//Load in just_audio
|
|
try {
|
|
await _player.setAudioSource(_audioSource,
|
|
initialIndex: qi, initialPosition: Duration.zero);
|
|
} catch (e) {
|
|
//Error loading tracks
|
|
}
|
|
_queueIndex = qi;
|
|
mediaItem.add(currentMediaItem);
|
|
}
|
|
|
|
Future<AudioSource> _mediaItemToAudioSource(MediaItem mi) async {
|
|
String? url = await _getTrackUrl(mi);
|
|
final uri = Uri.parse(url);
|
|
if (uri.isScheme('http') || uri.isScheme('https'))
|
|
return ProgressiveAudioSource(uri);
|
|
return AudioSource.uri(uri, tag: mi.id);
|
|
}
|
|
|
|
Future<String> _getTrackUrl(MediaItem mediaItem, {int? quality}) async {
|
|
//Check if offline
|
|
String _offlinePath =
|
|
p.join((await getExternalStorageDirectory())!.path, 'offline/');
|
|
File f = File(p.join(_offlinePath, mediaItem.id));
|
|
if (await f.exists()) {
|
|
//return f.path;
|
|
//Stream server URL
|
|
return 'http://localhost:36958/?id=${mediaItem.id}';
|
|
}
|
|
|
|
//Show episode direct link
|
|
if (mediaItem.extras!['showUrl'] != null)
|
|
return mediaItem.extras!['showUrl'];
|
|
|
|
//Due to current limitations of just_audio, quality fallback moved to DeezerDataSource in ExoPlayer
|
|
//This just returns fake url that contains metadata
|
|
List? playbackDetails = jsonDecode(mediaItem.extras!['playbackDetails']);
|
|
//Quality
|
|
ConnectivityResult conn = await Connectivity().checkConnectivity();
|
|
quality = mobileQuality;
|
|
if (conn == ConnectivityResult.wifi) quality = wifiQuality;
|
|
|
|
if ((playbackDetails ?? []).length < 2)
|
|
throw Exception('not enough playback details');
|
|
//String url = 'https://dzcdn.net/?md5=${playbackDetails[0]}&mv=${playbackDetails[1]}&q=${quality.toString()}#${mediaItem.id}';
|
|
String url =
|
|
'http://localhost:36958/?q=$quality&mv=${playbackDetails![1]}&md5origin=${playbackDetails[0]}&id=${mediaItem.id}';
|
|
return url;
|
|
}
|
|
|
|
//Custom actions
|
|
@override
|
|
Future customAction(String name, [Map<String, dynamic>? args]) async {
|
|
switch (name) {
|
|
case 'start':
|
|
onStart(args);
|
|
break;
|
|
case 'updateQuality':
|
|
//Pass wifi & mobile quality by custom action
|
|
//Isolate can't access globals
|
|
this.wifiQuality = args!['wifiQuality'];
|
|
this.mobileQuality = args['mobileQuality'];
|
|
break;
|
|
//Update queue source
|
|
case 'queueSource':
|
|
this.queueSource = QueueSource.fromJson(args!);
|
|
break;
|
|
//Looping
|
|
// case 'repeatType':
|
|
// _loopMode = LoopMode.values[args!['type']];
|
|
// _player.setLoopMode(_loopMode);
|
|
// break;
|
|
//Save queue
|
|
case 'saveQueue':
|
|
await this._saveQueue();
|
|
break;
|
|
//Load queue after some initialization in frontend
|
|
case 'load':
|
|
await this._loadQueueFile();
|
|
break;
|
|
|
|
//Android audio callback
|
|
case 'screenAndroidAuto':
|
|
if (_androidAutoCallback != null)
|
|
_androidAutoCallback!.complete(
|
|
(args!['value'] as List<Map<String, dynamic>>?)
|
|
?.map<MediaItem>(mediaItemFromJson)
|
|
.toList());
|
|
break;
|
|
//Reorder tracks, args = [old, new]
|
|
case 'reorder':
|
|
final oldIndex = args!['oldIndex']! as int;
|
|
final newIndex = args['newIndex']! as int;
|
|
await _audioSource.move(oldIndex, newIndex);
|
|
queue.add(queue.value..reorder(oldIndex, newIndex));
|
|
_broadcastState();
|
|
break;
|
|
//Set index without affecting playback for loading
|
|
case 'setIndex': // editor's note: i really don't get what this is for
|
|
this._queueIndex = args!['index'];
|
|
break;
|
|
//Start visualizer
|
|
// case 'startVisualizer':
|
|
// if (_visualizerSubscription != null) break;
|
|
// _player.startVisualizer(
|
|
// enableWaveform: false,
|
|
// enableFft: true,
|
|
// captureRate: 15000,
|
|
// captureSize: 128);
|
|
// _visualizerSubscription = _player.visualizerFftStream.listen((event) {
|
|
// //Calculate actual values
|
|
// List<double> out = [];
|
|
// for (int i = 0; i < event.length / 2; i++) {
|
|
// int rfk = event[i * 2].toSigned(8);
|
|
// int ifk = event[i * 2 + 1].toSigned(8);
|
|
// out.add(log(hypot(rfk, ifk) + 1) / 5.2);
|
|
// }
|
|
// AudioServiceBackground.sendCustomEvent(
|
|
// {"action": "visualizer", "data": out});
|
|
// });
|
|
// break;
|
|
// //Stop visualizer
|
|
// case 'stopVisualizer':
|
|
// if (_visualizerSubscription != null) {
|
|
// _visualizerSubscription.cancel();
|
|
// _visualizerSubscription = null;
|
|
// }
|
|
// break;
|
|
//Authorize lastfm
|
|
case 'authorizeLastFM':
|
|
final username = args!['username']! as String;
|
|
final password = args['password']! as String;
|
|
try {
|
|
final lastFM = await LastFM.authenticateWithPasswordHash(
|
|
apiKey: 'b6ab5ae967bcd8b10b23f68f42493829',
|
|
apiSecret: '861b0dff9a8a574bec747f9dab8b82bf',
|
|
username: username,
|
|
passwordHash: password);
|
|
_scrobblenaut = Scrobblenaut(lastFM: lastFM);
|
|
_scrobblenautReady = true;
|
|
} catch (e) {
|
|
print(e);
|
|
}
|
|
break;
|
|
case 'disableLastFM':
|
|
_scrobblenaut = null;
|
|
_scrobblenautReady = false;
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
@override
|
|
Future onTaskRemoved() => stop();
|
|
|
|
@override
|
|
Future onNotificationDeleted() => stop();
|
|
|
|
@override
|
|
Future<void> stop() async {
|
|
await _saveQueue();
|
|
_player.stop();
|
|
_eventSub?.cancel();
|
|
_audioSessionSub?.cancel();
|
|
_visualizerSubscription?.cancel();
|
|
await super.stop();
|
|
}
|
|
|
|
//Get queue save file path
|
|
Future<String> _getQueuePath() async {
|
|
Directory dir = await getApplicationDocumentsDirectory();
|
|
return p.join(dir.path, 'playback.json');
|
|
}
|
|
|
|
//Export queue to JSON
|
|
Future<void> _saveQueue() async {
|
|
if (_queueIndex == 0 && queue.value.length == 0) return;
|
|
|
|
String path = await _getQueuePath();
|
|
File f = File(path);
|
|
//Create if doesn't exist
|
|
if (!await File(path).exists()) {
|
|
f = await f.create();
|
|
}
|
|
Map data = {
|
|
'index': _queueIndex,
|
|
'queue': queue.value.map<Map<String, dynamic>>(mediaItemToJson).toList(),
|
|
'position': _player.position.inMilliseconds,
|
|
'queueSource': (queueSource ?? QueueSource()).toJson(),
|
|
'loopMode': _repeatMode.index,
|
|
};
|
|
await f.writeAsString(jsonEncode(data));
|
|
}
|
|
|
|
//Restore queue & playback info from path
|
|
Future<bool> _loadQueueFile() async {
|
|
File f = File(await _getQueuePath());
|
|
if (await f.exists()) {
|
|
Map<String, dynamic> json = jsonDecode(await f.readAsString());
|
|
List<MediaItem>? _queue = (json['queue'] as List?)
|
|
?.cast<Map>()
|
|
.map<MediaItem>(
|
|
(json) => mediaItemFromJson(json.cast<String, dynamic>()))
|
|
.toList();
|
|
_queueIndex = json['index'] ?? 0;
|
|
_lastPosition = Duration(milliseconds: json['position'] ?? 0);
|
|
queueSource = QueueSource.fromJson(json['queueSource'] ?? {});
|
|
_repeatMode = AudioServiceRepeatMode.values[(json['loopMode'] ?? 0)];
|
|
//Restore queue
|
|
if (_queue != null) {
|
|
queue.add(_queue);
|
|
await _loadQueue();
|
|
mediaItem.add(currentMediaItem);
|
|
}
|
|
//Send restored queue source to ui
|
|
customEvent.add({
|
|
'action': 'onRestore',
|
|
'queueSource': (queueSource ?? QueueSource()).toJson(),
|
|
'loopMode': _repeatMode.index
|
|
});
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
@override
|
|
Future<void> insertQueueItem(int index, MediaItem mi) async {
|
|
//-1 == play next
|
|
if (index == -1) index = _queueIndex + 1;
|
|
|
|
queue.add(queue.value..insert(index, mi));
|
|
AudioSource? _newSource = await _mediaItemToAudioSource(mi);
|
|
await _audioSource.insert(index, _newSource);
|
|
|
|
_saveQueue();
|
|
}
|
|
|
|
//Add at end of queue
|
|
@override
|
|
Future<void> addQueueItem(MediaItem mediaItem,
|
|
{bool shouldSaveQueue = true}) async {
|
|
if (queue.value.indexWhere((m) => m.id == mediaItem.id) != -1) return;
|
|
|
|
queue.add(queue.value..add(mediaItem));
|
|
AudioSource _newSource = await _mediaItemToAudioSource(mediaItem);
|
|
await _audioSource.add(_newSource);
|
|
if (shouldSaveQueue) _saveQueue();
|
|
}
|
|
|
|
@override
|
|
Future<void> addQueueItems(List<MediaItem> mediaItems) async {
|
|
for (final mediaItem in mediaItems) {
|
|
await addQueueItem(mediaItem, shouldSaveQueue: false);
|
|
}
|
|
_saveQueue();
|
|
}
|
|
|
|
@override
|
|
Future<void> playFromMediaId(String mediaId,
|
|
[Map<String, dynamic>? args]) async {
|
|
//Android auto load tracks
|
|
if (mediaId.startsWith(AndroidAuto.prefix)) {
|
|
customEvent.add({
|
|
'action': 'tracksAndroidAuto',
|
|
'id': mediaId.replaceFirst(AndroidAuto.prefix, '')
|
|
});
|
|
return;
|
|
}
|
|
|
|
//Does the same thing
|
|
await this
|
|
.skipToQueueItem(queue.value.indexWhere((item) => item.id == mediaId));
|
|
}
|
|
|
|
@override
|
|
Future<MediaItem?> getMediaItem(String mediaId) async =>
|
|
queue.value.firstWhereOrNull((mediaItem) => mediaItem.id == mediaId);
|
|
|
|
@override
|
|
Future<void> playMediaItem(MediaItem mediaItem) =>
|
|
playFromMediaId(mediaItem.id);
|
|
|
|
@override
|
|
Future<void> setRepeatMode(AudioServiceRepeatMode repeatMode) =>
|
|
_player.setLoopMode(repeatMode.toLoopMode());
|
|
|
|
@override
|
|
Future<void> setShuffleMode(AudioServiceShuffleMode shuffleMode) async {
|
|
switch (shuffleMode) {
|
|
case AudioServiceShuffleMode.none:
|
|
queue.add(_originalQueue!);
|
|
_originalQueue = null;
|
|
break;
|
|
case AudioServiceShuffleMode.group:
|
|
case AudioServiceShuffleMode.all:
|
|
_originalQueue = List.from(queue.value, growable: false);
|
|
queue.add(queue.value..shuffle());
|
|
break;
|
|
}
|
|
|
|
_queueIndex = 0;
|
|
await _player.stop();
|
|
await _loadQueue();
|
|
await _player.play();
|
|
}
|
|
}
|
|
|
|
//Seeker from audio_service example (why reinvent the wheel?)
|
|
//While holding seek button, will continuously seek
|
|
class Seeker {
|
|
final AudioPlayer? player;
|
|
final Duration positionInterval;
|
|
final Duration stepInterval;
|
|
final MediaItem mediaItem;
|
|
bool _running = false;
|
|
|
|
Seeker(this.player, this.positionInterval, this.stepInterval, this.mediaItem);
|
|
|
|
Future start() async {
|
|
_running = true;
|
|
while (_running) {
|
|
Duration newPosition = player!.position + positionInterval;
|
|
if (newPosition < Duration.zero) newPosition = Duration.zero;
|
|
if (newPosition > mediaItem.duration!) newPosition = mediaItem.duration!;
|
|
player!.seek(newPosition);
|
|
await Future.delayed(stepInterval);
|
|
}
|
|
}
|
|
|
|
void stop() {
|
|
_running = false;
|
|
}
|
|
}
|