309 lines
10 KiB
Dart
309 lines
10 KiB
Dart
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part of 'player_page.dart';
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extension _PlayerPageLifecycle on _PlayerPageState {
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void _onPanelChanged() {
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if (_drawer.isOpen && _drawer.category == PlayerPanelCategory.episode) {
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => _episodeBodyKey.currentState?.ensureLoaded(),
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);
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}
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if (mounted) setState(() {});
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}
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Future<void> _initialize() async {
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try {
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final directStream = widget.directStream;
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final activeSession = ref.read(activeSessionProvider);
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if (activeSession == null && directStream == null) {
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if (mounted) {
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setState(() => _errorMessage = '没有活跃的会话');
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}
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return;
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}
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AppLogger.debug(
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_tag,
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directStream != null
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? 'init direct stream'
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: 'init server=${activeSession!.serverUrl} '
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'userId=${activeSession.userId}',
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);
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_prewarmPlayerEngine();
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final bootstrap = await (
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ref.read(deviceIdProvider.future),
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ref.read(appVersionProvider.future),
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ref.read(playbackResolverProvider.future),
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ref.read(embyGatewayProvider.future),
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).wait;
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final deviceId = bootstrap.$1;
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final appVersion = bootstrap.$2;
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final resolver = bootstrap.$3;
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final gateway = bootstrap.$4;
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if (!mounted) return;
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final traktDepsFuture = directStream == null
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? _loadTraktDeps()
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: Future.value(null);
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final prefetchFuture = directStream == null
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? _loadPrefetchedPlaybackInfo(activeSession!)
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: Future.value(null);
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final scrobbleStatus = ref.read(traktScrobbleStatusProvider.notifier);
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final pendingSeq = ref.read(pendingCrossServerSequenceProvider);
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if (pendingSeq != null) {
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ref.read(pendingCrossServerSequenceProvider.notifier).state = null;
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}
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final settingsFuture = (
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ref
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.read(subtitleSettingsProvider.future)
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.then(
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(value) => value,
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onError: (Object e) {
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AppLogger.warn(_tag, 'load subtitle settings failed', e);
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return const SubtitleStyleSettings();
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},
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),
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Future.value(
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ref.read(playerSettingsProvider).value ?? const PlayerSettingsState(),
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),
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ref
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.read(danmakuSettingsProvider.future)
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.then(
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(value) => value,
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onError: (Object e) {
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AppLogger.warn(_tag, 'load danmaku settings failed', e);
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return const DanmakuSettingsState();
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},
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),
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ref
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.read(audioSettingsProvider.future)
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.then(
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(value) => value,
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onError: (Object e) {
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AppLogger.warn(_tag, 'load audio settings failed', e);
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return const AudioSettingsState();
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},
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),
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).wait;
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final Future<Playlist> playlistFuture;
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if (directStream != null) {
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final itemType = directStream.episode != null ? 'Episode' : 'Movie';
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final syntheticItem = EmbyRawItem(
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Id: widget.itemId,
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Name: directStream.title,
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Type: itemType,
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SeriesName: directStream.seriesName,
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IndexNumber: directStream.episode,
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RunTimeTicks: directStream.durationSeconds == null
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? null
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: directStream.durationSeconds! * kTicksPerSecond,
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);
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playlistFuture = Future<Playlist>.value(
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SingleItemPlaylist(
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item: PlaylistItem(
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itemId: widget.itemId,
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displayLabel: directStream.title,
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playFromStart: true,
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preloadedItem: syntheticItem,
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),
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),
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);
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} else {
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playlistFuture = playlistFromLaunch(
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itemId: widget.itemId,
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mediaSourceId: widget.mediaSourceId,
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startPositionTicks: widget.startPositionTicks,
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preferredAudioStreamIndex: widget.preferredAudioStreamIndex,
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preferredSubtitleStreamIndex: widget.preferredSubtitleStreamIndex,
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playFromStart: widget.fromStart,
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crossServerSequence: pendingSeq,
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loadDetail: (id) {
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final serverId = ref.read(activeSessionProvider)?.serverId ?? '';
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return ref.read(
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mediaDetailDataProvider((serverId: serverId, itemId: id)).future,
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);
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},
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loadEpisodes: ({required seriesId, required seasonId}) {
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final serverId = ref.read(activeSessionProvider)?.serverId ?? '';
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return ref.read(
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seriesEpisodesDataProvider((
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serverId: serverId,
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seriesId: seriesId,
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seasonId: seasonId,
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)).future,
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);
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},
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loadSeasons: (seriesId) {
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final serverId = ref.read(activeSessionProvider)?.serverId ?? '';
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return ref.read(
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seriesSeasonsDataProvider((
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serverId: serverId,
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seriesId: seriesId,
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)).future,
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);
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},
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);
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}
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final ready = await (settingsFuture, playlistFuture).wait;
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final settings = ready.$1;
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_subtitleSettings = settings.$1;
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final playerSettings =
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ref.read(playerSettingsProvider).value ?? settings.$2;
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final danmakuSettings = settings.$3;
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if (!mounted) return;
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final audioSettings = settings.$4;
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_prefetchedPlaybackInfo = await prefetchFuture;
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final traktDeps = await traktDepsFuture;
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if (!mounted) return;
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_builder = PlaybackSessionBuilder(
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resolver: resolver,
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gateway: gateway,
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metadataResolver: MediaSourceMetadataResolver(
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probeService: MediaProbeService.instance,
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),
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engineHolder: _engineHolder,
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readActiveSession: () {
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if (!mounted) throw const CancelledException('player unmounted');
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return ref.read(activeSessionProvider)!;
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},
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deviceId: deviceId,
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deviceName: kEmbyDeviceName,
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playerSettingsNotifier: _playerSettingsNotifier,
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audioSettingsNotifier: _audioSettingsNotifier,
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subtitleSettingsNotifier: ref.read(subtitleSettingsProvider.notifier),
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loadItemDetail: (serverId, itemId) async {
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if (!mounted) throw const CancelledException('player unmounted');
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final res = await ref.read(
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mediaDetailDataProvider((
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serverId: serverId,
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itemId: itemId,
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)).future,
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);
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return res.base;
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},
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readEngineOverride: () {
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if (!mounted) throw const CancelledException('player unmounted');
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return ref.read(playerEngineOverrideProvider).value ??
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PlayerEngineOverride.auto;
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},
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traktGateway: traktDeps?.gateway,
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traktQueue: traktDeps?.queue,
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traktAppVersion: appVersion,
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traktOnSuccess: scrobbleStatus.recordSuccess,
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traktOnError: scrobbleStatus.recordError,
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);
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_initialPlayerSettings = playerSettings;
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_initialDanmakuSettings = danmakuSettings;
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_initialAudioSettings = audioSettings;
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_panelSettings = danmakuSettings.panelSettings;
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_playlist = ready.$2;
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if (!mounted) {
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_playlist?.dispose();
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_playlist = null;
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return;
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}
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_playlist!.current.addListener(_onCurrentItemChanged);
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_onCurrentItemChanged();
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} catch (e, s) {
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AppLogger.error(_tag, 'initialize failed', e, s);
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if (mounted) setState(() => _errorMessage = formatUserError(e));
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}
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}
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void _prewarmPlayerEngine() {
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if (_engineHolder.current != null) return;
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final override =
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ref.read(playerEngineOverrideProvider).value ??
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PlayerEngineOverride.auto;
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final kind = resolvePlayerEngineKind(
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override,
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isDolbyVision: false,
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videoCodec: null,
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);
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unawaited(() async {
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try {
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final engine = await _engineHolder.acquire(
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kind,
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() => PlaybackSessionBuilder.createEngine(kind),
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);
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AppLogger.debug(_tag, 'engine prewarmed kind=${kind.name}');
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if (engine is Media3PlayerEngine) {
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await engine.prewarmNative();
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}
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} catch (e) {
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AppLogger.debug(_tag, 'engine prewarm failed', e);
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}
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}());
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}
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Future<({AuthedTraktGateway gateway, TraktPendingSyncQueue queue})?>
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_loadTraktDeps() async {
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try {
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final traktGateway = ref.read(authedTraktGatewayProvider);
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final queue = await ref.read(traktSyncQueueProvider.future);
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unawaited(queue.drain());
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return (gateway: traktGateway, queue: queue);
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} catch (e) {
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AppLogger.warn(_tag, 'trakt deps unavailable, scrobble disabled', e);
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return null;
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}
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}
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Future<({int startTimeTicks, Map<String, dynamic> info})?>
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_loadPrefetchedPlaybackInfo(AuthedSession activeSession) async {
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try {
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final startTimeTicks = widget.fromStart
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? 0
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: (widget.startPositionTicks ?? 0);
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final serverId = widget.serverId ?? activeSession.serverId;
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final key = (
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serverId: serverId,
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itemId: widget.itemId,
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mediaSourceId: widget.mediaSourceId,
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startTimeTicks: startTimeTicks,
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);
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AppLogger.debug(
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_tag,
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'playbackInfo prefetch await ${describePlaybackInfoPrefetchKey(key)}',
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);
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final prefetched = await ref.read(
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playbackInfoPrefetchProvider(key).future,
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);
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if (prefetched == null || prefetched.info.isEmpty) {
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AppLogger.debug(
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_tag,
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'playbackInfo prefetch miss ${describePlaybackInfoPrefetchKey(key)}',
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);
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return null;
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}
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AppLogger.debug(
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_tag,
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'playbackInfo prefetch hit ${describePlaybackInfoPrefetchKey(key)}',
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);
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return (startTimeTicks: prefetched.startTimeTicks, info: prefetched.info);
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} catch (e) {
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AppLogger.debug(_tag, 'playbackInfo prefetch failed; fallback', e);
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return null;
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}
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}
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int _prefetchStartTimeTicksFor(PlaybackRequest req) {
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if (req.playFromStart) return 0;
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final explicitTicks = req.startPositionTicks;
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if (explicitTicks != null && explicitTicks > 0) return explicitTicks;
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return req.preloadedItem?.UserData?.PlaybackPositionTicks ?? 0;
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}
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}
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