Files
plezy/lib/screens/video_player_screen.dart
T
2025-11-06 15:14:40 +01:00

1457 lines
50 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:media_kit/media_kit.dart';
import 'package:media_kit_video/media_kit_video.dart';
import 'package:provider/provider.dart';
import 'package:audio_session/audio_session.dart';
import '../models/plex_metadata.dart';
import '../models/plex_user_profile.dart';
import '../providers/plex_client_provider.dart';
import '../providers/playback_state_provider.dart';
import '../utils/provider_extensions.dart';
import '../widgets/video_controls/video_controls.dart';
import '../utils/language_codes.dart';
import '../utils/app_logger.dart';
import '../services/settings_service.dart';
import '../services/media_service_manager.dart';
import '../utils/orientation_helper.dart';
import '../utils/video_player_navigation.dart';
import '../utils/platform_detector.dart';
import '../models/plex_media_version.dart';
class VideoPlayerScreen extends StatefulWidget {
final PlexMetadata metadata;
final AudioTrack? preferredAudioTrack;
final SubtitleTrack? preferredSubtitleTrack;
final double? preferredPlaybackRate;
final int selectedMediaIndex;
const VideoPlayerScreen({
super.key,
required this.metadata,
this.preferredAudioTrack,
this.preferredSubtitleTrack,
this.preferredPlaybackRate,
this.selectedMediaIndex = 0,
});
@override
State<VideoPlayerScreen> createState() => VideoPlayerScreenState();
}
class VideoPlayerScreenState extends State<VideoPlayerScreen> {
Player? player;
VideoController? controller;
bool _isPlayerInitialized = false;
Timer? _progressTimer;
PlexMetadata? _nextEpisode;
PlexMetadata? _previousEpisode;
bool _isLoadingNext = false;
bool _showPlayNextDialog = false;
PlexClientProvider? _cachedClientProvider;
bool _isPhone = false;
List<PlexMediaVersion> _availableVersions = [];
StreamSubscription<PlayerLog>? _logSubscription;
StreamSubscription<String>? _errorSubscription;
StreamSubscription<bool>? _playingSubscription;
StreamSubscription<bool>? _completedSubscription;
bool _isReplacingWithVideo =
false; // Flag to skip orientation restoration during video-to-video navigation
// BoxFit mode state: 0=contain (letterbox), 1=cover (fill screen), 2=fill (stretch)
int _boxFitMode = 0;
bool _isPinching = false; // Track if a pinch gesture is occurring
@override
void initState() {
super.initState();
appLogger.d('VideoPlayerScreen initialized for: ${widget.metadata.title}');
if (widget.preferredAudioTrack != null) {
appLogger.d(
'Preferred audio track: ${widget.preferredAudioTrack!.title ?? widget.preferredAudioTrack!.id} (${widget.preferredAudioTrack!.language ?? "unknown"})',
);
}
if (widget.preferredSubtitleTrack != null) {
final subtitleDesc = widget.preferredSubtitleTrack!.id == "no"
? "OFF"
: "${widget.preferredSubtitleTrack!.title ?? widget.preferredSubtitleTrack!.id} (${widget.preferredSubtitleTrack!.language ?? "unknown"})";
appLogger.d('Preferred subtitle track: $subtitleDesc');
}
// Initialize player asynchronously with buffer size from settings
_initializePlayer();
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
// Cache provider reference for safe access in dispose()
try {
_cachedClientProvider = context.plexClient;
} catch (e) {
appLogger.w('Failed to cache PlexClientProvider', error: e);
_cachedClientProvider = null;
}
// Cache device type for safe access in dispose()
try {
_isPhone = PlatformDetector.isPhone(context);
} catch (e) {
appLogger.w('Failed to determine device type', error: e);
_isPhone = false; // Default to tablet/desktop (all orientations)
}
}
Future<void> _initializePlayer() async {
try {
// Load buffer size from settings
final settingsService = await SettingsService.getInstance();
final bufferSizeMB = settingsService.getBufferSize();
final bufferSizeBytes = bufferSizeMB * 1024 * 1024;
final enableHardwareDecoding = settingsService
.getEnableHardwareDecoding();
final debugLoggingEnabled = settingsService.getEnableDebugLogging();
// Create player with configuration
player = Player(
configuration: PlayerConfiguration(
libass: true,
libassAndroidFont: 'assets/droid-sans.ttf',
libassAndroidFontName: 'Droid Sans Fallback',
bufferSize: bufferSizeBytes,
logLevel: debugLoggingEnabled ? MPVLogLevel.debug : MPVLogLevel.error,
mpvConfiguration: {
'sub-font-size': settingsService.getSubtitleFontSize().toString(),
'sub-color': settingsService.getSubtitleTextColor(),
'sub-border-size': settingsService
.getSubtitleBorderSize()
.toString(),
'sub-border-color': settingsService.getSubtitleBorderColor(),
'sub-back-color':
'#${(settingsService.getSubtitleBackgroundOpacity() * 255 / 100).toInt().toRadixString(16).padLeft(2, '0').toUpperCase()}${settingsService.getSubtitleBackgroundColor().replaceFirst('#', '')}',
},
),
);
controller = VideoController(
player!,
configuration: VideoControllerConfiguration(
enableHardwareAcceleration: enableHardwareDecoding,
),
);
// Apply audio sync offset
final audioSyncOffset = settingsService.getAudioSyncOffset();
if (audioSyncOffset != 0) {
final offsetSeconds = audioSyncOffset / 1000.0;
await (player!.platform as dynamic).setProperty(
'audio-delay',
offsetSeconds.toString(),
);
}
// Apply subtitle sync offset
final subtitleSyncOffset = settingsService.getSubtitleSyncOffset();
if (subtitleSyncOffset != 0) {
final offsetSeconds = subtitleSyncOffset / 1000.0;
await (player!.platform as dynamic).setProperty(
'sub-delay',
offsetSeconds.toString(),
);
}
// Apply saved volume
final savedVolume = settingsService.getVolume();
player!.setVolume(savedVolume);
// Initialize audio session for proper OS integration
await _initializeAudioSession();
// Update media service manager with new player
await _updateMediaService();
// Notify that player is ready
if (mounted) {
setState(() {
_isPlayerInitialized = true;
});
}
// Get the video URL and start playback
_startPlayback();
// Load available media versions
_loadMediaVersions();
// Set fullscreen mode and orientation based on rotation lock setting
if (mounted) {
try {
// Check rotation lock setting before applying orientation
final isRotationLocked = settingsService.getRotationLocked();
if (isRotationLocked) {
// Locked: Apply landscape orientation only
OrientationHelper.setLandscapeOrientation();
} else {
// Unlocked: Allow all orientations immediately
SystemChrome.setPreferredOrientations(DeviceOrientation.values);
SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);
}
} catch (e) {
appLogger.w('Failed to set orientation', error: e);
// Don't crash if orientation fails - video can still play
}
}
// Listen to playback state changes
_playingSubscription = player!.stream.playing.listen(
_onPlayingStateChanged,
);
// Listen to completion
_completedSubscription = player!.stream.completed.listen(
_onVideoCompleted,
);
// Listen to MPV logs
_logSubscription = player!.stream.log.listen(_onPlayerLog);
// Listen to MPV errors
_errorSubscription = player!.stream.error.listen(_onPlayerError);
// Start periodic progress updates
_startProgressTracking();
// Load next/previous episodes
_loadAdjacentEpisodes();
} catch (e) {
appLogger.e('Failed to initialize player', error: e);
if (mounted) {
setState(() {
_isPlayerInitialized = false;
});
}
}
}
Future<void> _initializeAudioSession() async {
try {
final session = await AudioSession.instance;
await session.configure(const AudioSessionConfiguration(
avAudioSessionCategory: AVAudioSessionCategory.playback,
avAudioSessionMode: AVAudioSessionMode.moviePlayback,
androidAudioAttributes: AndroidAudioAttributes(
contentType: AndroidAudioContentType.movie,
usage: AndroidAudioUsage.media,
),
androidAudioFocusGainType: AndroidAudioFocusGainType.gain,
));
// Handle interruptions (phone calls, other apps, etc.)
session.interruptionEventStream.listen((event) {
if (event.begin) {
// Pause on interruption
player?.pause();
appLogger.i('Playback paused due to interruption');
} else {
// Resume after interruption if needed (user can manually play)
switch (event.type) {
case AudioInterruptionType.pause:
case AudioInterruptionType.duck:
// Don't auto-resume for these types
break;
case AudioInterruptionType.unknown:
break;
}
}
});
// Handle audio becoming noisy (headphones unplugged)
session.becomingNoisyEventStream.listen((_) {
player?.pause();
appLogger.i('Playback paused due to audio becoming noisy (headphones unplugged?)');
});
} catch (e) {
appLogger.w('Failed to configure audio session', error: e);
}
}
Future<void> _updateMediaService() async {
if (!mounted) return;
try {
final mediaService = MediaServiceManager.instance;
// Build thumbnail URL if available
String? thumbnailUrl;
final clientProvider = context.plexClient;
final client = clientProvider.client;
if (widget.metadata.thumb != null && client != null) {
final baseUrl = client.config.baseUrl;
final token = client.config.token;
if (token != null) {
thumbnailUrl = '$baseUrl${widget.metadata.thumb}?X-Plex-Token=$token';
}
}
// CRITICAL: Set mediaItem FIRST before updating player
// Android requires mediaItem to exist before playbackState broadcasts
mediaService.updateMediaItem(widget.metadata, thumbnailUrl);
if (!mounted) return;
await mediaService.updatePlayer(
player: player,
onNext: _playNext,
onPrevious: _playPrevious,
);
} catch (e) {
appLogger.w('Failed to update media service', error: e);
}
}
Future<void> _loadAdjacentEpisodes() async {
if (widget.metadata.type.toLowerCase() != 'episode') {
return;
}
try {
final clientProvider = context.plexClient;
final client = clientProvider.client;
if (client == null) return;
final playbackState = context.read<PlaybackStateProvider>();
PlexMetadata? next;
PlexMetadata? previous;
// Check if shuffle mode is active
if (playbackState.isShuffleActive) {
// Get next episode from shuffle queue
next = playbackState.getNextEpisode(widget.metadata.ratingKey);
// No previous episode in shuffle mode
previous = null;
} else {
// Use normal sequential episode loading
next = await client.findAdjacentEpisode(widget.metadata, 1);
previous = await client.findAdjacentEpisode(widget.metadata, -1);
}
if (mounted) {
setState(() {
_nextEpisode = next;
_previousEpisode = previous;
});
// Update media service navigation controls
MediaServiceManager.instance.updateNavigationActions(
hasNext: _nextEpisode != null,
hasPrevious: _previousEpisode != null,
);
}
} catch (e) {
// Silently handle errors
}
}
Future<void> _startPlayback() async {
try {
final clientProvider = context.plexClient;
final client = clientProvider.client;
if (client == null) {
throw Exception('No client available');
}
// Get the direct file URL from the server using the selected media index
final videoUrl = await client.getVideoUrl(
widget.metadata.ratingKey,
mediaIndex: widget.selectedMediaIndex,
);
if (videoUrl != null) {
// Fetch media info to check for external subtitle tracks
final mediaInfo = await client.getMediaInfo(
widget.metadata.ratingKey,
mediaIndex: widget.selectedMediaIndex,
);
// Build list of external subtitle tracks for media_kit
final externalSubtitles = <SubtitleTrack>[];
if (mediaInfo != null) {
final externalTracks = mediaInfo.subtitleTracks
.where((track) => track.isExternal)
.toList();
if (externalTracks.isNotEmpty) {
appLogger.d(
'Found ${externalTracks.length} external subtitle track(s)',
);
}
for (final plexTrack in externalTracks) {
try {
// Skip if no auth token is available
final token = client.config.token;
if (token == null) {
appLogger.w('No auth token available for external subtitles');
continue;
}
final url = plexTrack.getSubtitleUrl(
client.config.baseUrl,
token,
);
// Skip if URL couldn't be constructed
if (url == null) continue;
externalSubtitles.add(
SubtitleTrack.uri(
url,
title:
plexTrack.displayTitle ??
plexTrack.language ??
'Track ${plexTrack.id}',
language: plexTrack.languageCode,
),
);
} catch (e) {
// Silent fallback - log error but continue with other subtitles
appLogger.w(
'Failed to add external subtitle track ${plexTrack.id}',
error: e,
);
}
}
}
// Open video (without external subtitles in Media constructor)
await player!.open(Media(videoUrl), play: false);
// Wait for media to be ready (duration > 0)
int attempts = 0;
while (player!.state.duration.inMilliseconds == 0 && attempts < 100) {
await Future.delayed(const Duration(milliseconds: 100));
attempts++;
}
// Add external subtitle tracks without auto-selecting them
if (externalSubtitles.isNotEmpty) {
appLogger.d(
'Adding ${externalSubtitles.length} external subtitle(s) to player',
);
final nativePlayer = player!.platform as dynamic;
for (final subtitleTrack in externalSubtitles) {
try {
// Use mpv's sub-add with 'auto' flag to avoid auto-selection
await nativePlayer.command([
'sub-add',
subtitleTrack.id,
'auto',
subtitleTrack.title ?? 'external',
subtitleTrack.language ?? 'auto',
]);
} catch (e) {
appLogger.w(
'Failed to add external subtitle: ${subtitleTrack.title}',
error: e,
);
}
}
}
// Set up playback position if resuming
if (widget.metadata.viewOffset != null &&
widget.metadata.viewOffset! > 0) {
final resumePosition = Duration(
milliseconds: widget.metadata.viewOffset!,
);
await player!.seek(resumePosition);
}
// Start playback after seeking
await player!.play();
// Force media service state update to trigger Android notification
// This ensures the notification appears even if streams don't fire reliably
MediaServiceManager.instance.forceStateUpdate();
// Wait for tracks to be loaded, then apply preferred tracks
_waitForTracksAndApply();
} else {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Could not find video file')),
);
}
}
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text('Error: $e')));
}
}
}
/// Load available media versions for this item
Future<void> _loadMediaVersions() async {
try {
final clientProvider = context.plexClient;
final client = clientProvider.client;
if (client == null) return;
final versions = await client.getMediaVersions(widget.metadata.ratingKey);
if (mounted) {
setState(() {
_availableVersions = versions;
});
}
} catch (e) {
appLogger.e('Error loading media versions: $e');
}
}
/// Cycle through BoxFit modes: contain → cover → fill → contain (for button)
void _cycleBoxFitMode() {
setState(() {
_boxFitMode = (_boxFitMode + 1) % 3;
});
}
/// Toggle between contain and cover modes only (for pinch gesture)
void _toggleContainCover() {
setState(() {
_boxFitMode = _boxFitMode == 0 ? 1 : 0;
});
}
/// Get current BoxFit based on mode
BoxFit get _getCurrentBoxFit {
switch (_boxFitMode) {
case 0:
return BoxFit.contain;
case 1:
return BoxFit.cover;
case 2:
return BoxFit.fill;
default:
return BoxFit.contain;
}
}
@override
void dispose() {
// Stop progress tracking
_progressTimer?.cancel();
// Cancel stream subscriptions
_playingSubscription?.cancel();
_completedSubscription?.cancel();
_logSubscription?.cancel();
_errorSubscription?.cancel();
// Stop media service and clear OS controls
MediaServiceManager.instance.stop();
// Send final stopped state
_sendProgress('stopped');
// Restore system UI and orientation preferences (skip if navigating to another video)
if (!_isReplacingWithVideo) {
OrientationHelper.restoreSystemUI();
// Restore orientation based on cached device type (no context needed)
try {
if (_isPhone) {
// Phone: portrait only
SystemChrome.setPreferredOrientations([
DeviceOrientation.portraitUp,
DeviceOrientation.portraitDown,
]);
} else {
// Tablet/Desktop: all orientations
SystemChrome.setPreferredOrientations([
DeviceOrientation.portraitUp,
DeviceOrientation.portraitDown,
DeviceOrientation.landscapeLeft,
DeviceOrientation.landscapeRight,
]);
}
} catch (e) {
appLogger.w('Failed to restore orientation in dispose', error: e);
}
}
player?.dispose();
super.dispose();
}
void _startProgressTracking() {
// Send progress update every 10 seconds
_progressTimer = Timer.periodic(const Duration(seconds: 10), (timer) {
if (player?.state.playing ?? false) {
_sendProgress('playing');
}
});
}
/// Generic track matching for audio and subtitle tracks
/// Returns the best matching track based on hierarchical criteria:
/// 1. Exact match (id + title + language)
/// 2. Partial match (title + language)
/// 3. Language-only match
T? _findBestTrackMatch<T>(
List<T> availableTracks,
T preferred,
String Function(T) getId,
String? Function(T) getTitle,
String? Function(T) getLanguage,
) {
if (availableTracks.isEmpty) return null;
// Filter out auto and no tracks
final validTracks = availableTracks
.where((t) => getId(t) != 'auto' && getId(t) != 'no')
.toList();
if (validTracks.isEmpty) return null;
final preferredId = getId(preferred);
final preferredTitle = getTitle(preferred);
final preferredLanguage = getLanguage(preferred);
// Try to match: id, title, and language
for (var track in validTracks) {
if (getId(track) == preferredId &&
getTitle(track) == preferredTitle &&
getLanguage(track) == preferredLanguage) {
return track;
}
}
// Try to match: title and language
for (var track in validTracks) {
if (getTitle(track) == preferredTitle &&
getLanguage(track) == preferredLanguage) {
return track;
}
}
// Try to match: language only
for (var track in validTracks) {
if (getLanguage(track) == preferredLanguage) {
return track;
}
}
return null;
}
AudioTrack? _findBestAudioMatch(
List<AudioTrack> availableTracks,
AudioTrack preferred,
) {
return _findBestTrackMatch<AudioTrack>(
availableTracks,
preferred,
(t) => t.id,
(t) => t.title,
(t) => t.language,
);
}
AudioTrack? _findAudioTrackByProfile(
List<AudioTrack> availableTracks,
PlexUserProfile profile,
) {
appLogger.d('Audio track selection using user profile');
appLogger.d(
'Profile settings - autoSelectAudio: ${profile.autoSelectAudio}, defaultAudioLanguage: ${profile.defaultAudioLanguage}, defaultAudioLanguages: ${profile.defaultAudioLanguages}',
);
if (availableTracks.isEmpty || !profile.autoSelectAudio) {
appLogger.d(
'Cannot use profile: ${availableTracks.isEmpty ? "No tracks available" : "autoSelectAudio is false"}',
);
return null;
}
// Build list of preferred languages
final preferredLanguages = <String>[];
if (profile.defaultAudioLanguage != null &&
profile.defaultAudioLanguage!.isNotEmpty) {
preferredLanguages.add(profile.defaultAudioLanguage!);
}
if (profile.defaultAudioLanguages != null) {
preferredLanguages.addAll(profile.defaultAudioLanguages!);
}
if (preferredLanguages.isEmpty) {
appLogger.d('Cannot use profile: No defaultAudioLanguage(s) specified');
return null;
}
appLogger.d('Preferred languages: ${preferredLanguages.join(", ")}');
// Try to find track matching any preferred language
for (final preferredLanguage in preferredLanguages) {
// Get all possible language code variations (e.g., "en" → ["en", "eng"])
final languageVariations = LanguageCodes.getVariations(preferredLanguage);
appLogger.d(
'Checking language variations for "$preferredLanguage": ${languageVariations.join(", ")}',
);
for (var track in availableTracks) {
final trackLang = track.language?.toLowerCase();
if (trackLang != null && languageVariations.contains(trackLang)) {
appLogger.d(
'Found audio track matching profile language "$preferredLanguage" (matched: "$trackLang"): ${track.title ?? "Track ${track.id}"}',
);
return track;
}
}
}
appLogger.d(
'No audio track found matching profile languages or their variations',
);
return null;
}
SubtitleTrack? _findBestSubtitleMatch(
List<SubtitleTrack> availableTracks,
SubtitleTrack preferred,
) {
// Handle special "no subtitles" case
if (preferred.id == 'no') {
return SubtitleTrack.no();
}
return _findBestTrackMatch<SubtitleTrack>(
availableTracks,
preferred,
(t) => t.id,
(t) => t.title,
(t) => t.language,
);
}
SubtitleTrack? _findSubtitleTrackByProfile(
List<SubtitleTrack> availableTracks,
PlexUserProfile profile, {
AudioTrack? selectedAudioTrack,
}) {
appLogger.d('Subtitle track selection using user profile');
appLogger.d(
'Profile settings - autoSelectSubtitle: ${profile.autoSelectSubtitle}, defaultSubtitleLanguage: ${profile.defaultSubtitleLanguage}, defaultSubtitleLanguages: ${profile.defaultSubtitleLanguages}, defaultSubtitleForced: ${profile.defaultSubtitleForced}, defaultSubtitleAccessibility: ${profile.defaultSubtitleAccessibility}',
);
if (availableTracks.isEmpty) {
appLogger.d('Cannot use profile: No subtitle tracks available');
return null;
}
// Mode 0: Manually selected - return OFF
if (profile.autoSelectSubtitle == 0) {
appLogger.d(
'Profile specifies manual mode (autoSelectSubtitle=0) - Subtitles OFF',
);
return SubtitleTrack.no();
}
// Mode 1: Shown with foreign audio
if (profile.autoSelectSubtitle == 1) {
appLogger.d(
'Profile specifies foreign audio mode (autoSelectSubtitle=1)',
);
// Check if audio language matches user's preferred subtitle language
if (selectedAudioTrack != null &&
profile.defaultSubtitleLanguage != null) {
final audioLang = selectedAudioTrack.language?.toLowerCase();
final prefLang = profile.defaultSubtitleLanguage!.toLowerCase();
final languageVariations = LanguageCodes.getVariations(prefLang);
appLogger.d(
'Checking if audio is foreign - audio: $audioLang, preferred subtitle lang: $prefLang',
);
// If audio matches preferred language, no subtitles needed
if (audioLang != null && languageVariations.contains(audioLang)) {
appLogger.d('Audio matches preferred language - Subtitles OFF');
return SubtitleTrack.no();
}
appLogger.d('Foreign audio detected - enabling subtitles');
}
// Foreign audio detected or cannot determine, enable subtitles
}
// Mode 2: Always enabled (or continuing from mode 1 with foreign audio)
appLogger.d('Selecting subtitle track based on preferences');
// Build list of preferred languages
final preferredLanguages = <String>[];
if (profile.defaultSubtitleLanguage != null &&
profile.defaultSubtitleLanguage!.isNotEmpty) {
preferredLanguages.add(profile.defaultSubtitleLanguage!);
}
if (profile.defaultSubtitleLanguages != null) {
preferredLanguages.addAll(profile.defaultSubtitleLanguages!);
}
if (preferredLanguages.isEmpty) {
appLogger.d(
'Cannot use profile: No defaultSubtitleLanguage(s) specified',
);
return null;
}
appLogger.d('Preferred languages: ${preferredLanguages.join(", ")}');
// Apply filtering based on preferences
var candidateTracks = availableTracks;
// Filter by SDH (defaultSubtitleAccessibility: 0-3)
candidateTracks = _filterSubtitlesBySDH(
candidateTracks,
profile.defaultSubtitleAccessibility,
);
// Filter by forced subtitle preference (defaultSubtitleForced: 0-3)
candidateTracks = _filterSubtitlesByForced(
candidateTracks,
profile.defaultSubtitleForced,
);
// If no candidates after filtering, relax filters
if (candidateTracks.isEmpty) {
appLogger.d('No tracks match strict filters, relaxing filters');
candidateTracks = availableTracks;
}
// Try to find track matching any preferred language
for (final preferredLanguage in preferredLanguages) {
final languageVariations = LanguageCodes.getVariations(preferredLanguage);
appLogger.d(
'Checking language variations for "$preferredLanguage": ${languageVariations.join(", ")}',
);
for (var track in candidateTracks) {
final trackLang = track.language?.toLowerCase();
if (trackLang != null && languageVariations.contains(trackLang)) {
appLogger.d(
'Found subtitle matching profile language "$preferredLanguage" (matched: "$trackLang"): ${track.title ?? "Track ${track.id}"}',
);
return track;
}
}
}
appLogger.d(
'No subtitle track found matching profile languages or their variations',
);
return null;
}
/// Filters subtitle tracks based on SDH (Subtitles for Deaf or Hard-of-Hearing) preference
///
/// Values:
/// - 0: Prefer non-SDH subtitles
/// - 1: Prefer SDH subtitles
/// - 2: Only show SDH subtitles
/// - 3: Only show non-SDH subtitles
List<SubtitleTrack> _filterSubtitlesBySDH(
List<SubtitleTrack> tracks,
int preference,
) {
if (preference == 0 || preference == 1) {
// Prefer but don't require
final preferSDH = preference == 1;
final preferred = tracks.where((t) => _isSDH(t) == preferSDH).toList();
if (preferred.isNotEmpty) {
appLogger.d(
'Applying SDH preference: ${preferSDH ? "prefer SDH" : "prefer non-SDH"} (${preferred.length} tracks)',
);
return preferred;
}
appLogger.d('No tracks match SDH preference, using all tracks');
return tracks;
} else if (preference == 2) {
// Only SDH
final filtered = tracks.where(_isSDH).toList();
appLogger.d('Filtering to SDH only (${filtered.length} tracks)');
return filtered;
} else if (preference == 3) {
// Only non-SDH
final filtered = tracks.where((t) => !_isSDH(t)).toList();
appLogger.d('Filtering to non-SDH only (${filtered.length} tracks)');
return filtered;
}
return tracks;
}
/// Filters subtitle tracks based on forced subtitle preference
///
/// Values:
/// - 0: Prefer non-forced subtitles
/// - 1: Prefer forced subtitles
/// - 2: Only show forced subtitles
/// - 3: Only show non-forced subtitles
List<SubtitleTrack> _filterSubtitlesByForced(
List<SubtitleTrack> tracks,
int preference,
) {
if (preference == 0 || preference == 1) {
// Prefer but don't require
final preferForced = preference == 1;
final preferred = tracks
.where((t) => _isForced(t) == preferForced)
.toList();
if (preferred.isNotEmpty) {
appLogger.d(
'Applying forced preference: ${preferForced ? "prefer forced" : "prefer non-forced"} (${preferred.length} tracks)',
);
return preferred;
}
appLogger.d('No tracks match forced preference, using all tracks');
return tracks;
} else if (preference == 2) {
// Only forced
final filtered = tracks.where(_isForced).toList();
appLogger.d('Filtering to forced only (${filtered.length} tracks)');
return filtered;
} else if (preference == 3) {
// Only non-forced
final filtered = tracks.where((t) => !_isForced(t)).toList();
appLogger.d('Filtering to non-forced only (${filtered.length} tracks)');
return filtered;
}
return tracks;
}
/// Checks if a subtitle track is SDH (Subtitles for Deaf or Hard-of-Hearing)
///
/// Since media_kit may not expose this directly, we infer from the title
bool _isSDH(SubtitleTrack track) {
final title = track.title?.toLowerCase() ?? '';
// Look for common SDH indicators
return title.contains('sdh') ||
title.contains('cc') ||
title.contains('hearing impaired') ||
title.contains('deaf');
}
/// Checks if a subtitle track is forced
bool _isForced(SubtitleTrack track) {
final title = track.title?.toLowerCase() ?? '';
return title.contains('forced');
}
void _waitForTracksAndApply() async {
// Helper function to process tracks
Future<void> processTracks(Tracks tracks) async {
appLogger.d('Starting track selection process');
// Get profile settings for track selection
final profileSettings = context.profileSettings;
// Get real tracks (excluding auto and no)
final realAudioTracks = tracks.audio
.where((t) => t.id != 'auto' && t.id != 'no')
.toList();
final realSubtitleTracks = tracks.subtitle
.where((t) => t.id != 'auto' && t.id != 'no')
.toList();
appLogger.d('Available audio tracks: ${realAudioTracks.length}');
for (var track in realAudioTracks) {
appLogger.d(
' - ${track.title ?? "Track ${track.id}"} (${track.language ?? "unknown"}) ${track.isDefault == true ? "[DEFAULT]" : ""}',
);
}
appLogger.d('Available subtitle tracks: ${realSubtitleTracks.length}');
for (var track in realSubtitleTracks) {
appLogger.d(
' - ${track.title ?? "Track ${track.id}"} (${track.language ?? "unknown"}) ${track.isDefault == true ? "[DEFAULT]" : ""}',
);
}
// Select audio track with priority: preferred > user profile > default > first
appLogger.d('Audio track selection');
if (realAudioTracks.isNotEmpty) {
AudioTrack? trackToSelect;
// Priority 1: Try to match preferred track from navigation
if (widget.preferredAudioTrack != null) {
appLogger.d('Priority 1: Checking preferred track from navigation');
appLogger.d(
' Preferred: ${widget.preferredAudioTrack!.title ?? "Track ${widget.preferredAudioTrack!.id}"} (${widget.preferredAudioTrack!.language ?? "unknown"})',
);
trackToSelect = _findBestAudioMatch(
realAudioTracks,
widget.preferredAudioTrack!,
);
if (trackToSelect != null) {
appLogger.d(' Matched preferred track');
} else {
appLogger.d(' No match found for preferred track');
}
} else {
appLogger.d('Priority 1: No preferred track from navigation');
}
// Priority 2: If no preferred track matched, try user profile preferences
if (trackToSelect == null && profileSettings != null) {
appLogger.d('Priority 2: Checking user profile preferences');
trackToSelect = _findAudioTrackByProfile(
realAudioTracks,
profileSettings,
);
} else if (trackToSelect == null) {
appLogger.d('Priority 2: No user profile available');
}
// Priority 3: If no match, use default or first track
if (trackToSelect == null) {
appLogger.d('Priority 3: Using default or first available track');
trackToSelect = realAudioTracks.firstWhere(
(t) => t.isDefault == true,
orElse: () => realAudioTracks.first,
);
final isDefault = trackToSelect.isDefault == true;
appLogger.d(
' Selected ${isDefault ? "default" : "first"} track: ${trackToSelect.title ?? "Track ${trackToSelect.id}"} (${trackToSelect.language ?? "unknown"})',
);
}
appLogger.i(
'Final audio selection: ${trackToSelect.title ?? "Track ${trackToSelect.id}"} (${trackToSelect.language ?? "unknown"})',
);
player!.setAudioTrack(trackToSelect);
} else {
appLogger.d('No audio tracks available');
}
// Select subtitle track with priority: preferred > user profile > default > off
appLogger.d('Subtitle track selection');
SubtitleTrack? subtitleToSelect;
// Priority 1: Try preferred track from navigation (always wins)
if (widget.preferredSubtitleTrack != null) {
appLogger.d('Priority 1: Checking preferred track from navigation');
if (widget.preferredSubtitleTrack!.id == 'no') {
appLogger.d(' Preferred: OFF');
subtitleToSelect = SubtitleTrack.no();
appLogger.d(' Using preferred setting: Subtitles OFF');
} else if (realSubtitleTracks.isNotEmpty) {
appLogger.d(
' Preferred: ${widget.preferredSubtitleTrack!.title ?? "Track ${widget.preferredSubtitleTrack!.id}"} (${widget.preferredSubtitleTrack!.language ?? "unknown"})',
);
subtitleToSelect = _findBestSubtitleMatch(
realSubtitleTracks,
widget.preferredSubtitleTrack!,
);
if (subtitleToSelect != null) {
appLogger.d(' Matched preferred track');
} else {
appLogger.d(' No match found for preferred track');
}
}
} else {
appLogger.d('Priority 1: No preferred track from navigation');
}
// Priority 2: If no preferred match, apply user profile preferences
if (subtitleToSelect == null &&
profileSettings != null &&
realSubtitleTracks.isNotEmpty) {
appLogger.d('Priority 2: Checking user profile preferences');
// Get the currently selected audio track
final currentAudioTrack = realAudioTracks.firstWhere(
(t) => t.id == player!.state.track.audio.id,
orElse: () => realAudioTracks.first,
);
subtitleToSelect = _findSubtitleTrackByProfile(
realSubtitleTracks,
profileSettings,
selectedAudioTrack: currentAudioTrack,
);
} else if (subtitleToSelect == null && realSubtitleTracks.isNotEmpty) {
appLogger.d('Priority 2: No user profile available');
}
// Priority 3: If no profile match, check for default subtitle
if (subtitleToSelect == null && realSubtitleTracks.isNotEmpty) {
appLogger.d('Priority 3: Checking for default subtitle track');
final defaultTrackIndex = realSubtitleTracks.indexWhere(
(t) => t.isDefault == true,
);
if (defaultTrackIndex != -1) {
subtitleToSelect = realSubtitleTracks[defaultTrackIndex];
appLogger.d(
' Found default track: ${subtitleToSelect.title ?? "Track ${subtitleToSelect.id}"} (${subtitleToSelect.language ?? "unknown"})',
);
} else {
appLogger.d(' No default subtitle track found');
}
}
// If still no subtitle selected, turn off
if (subtitleToSelect == null) {
appLogger.d('Priority 4: No subtitle selected - Subtitles OFF');
subtitleToSelect = SubtitleTrack.no();
}
final finalSubtitle = subtitleToSelect.id == 'no'
? 'OFF'
: '${subtitleToSelect.title ?? "Track ${subtitleToSelect.id}"} (${subtitleToSelect.language ?? "unknown"})';
appLogger.i('Final subtitle selection: $finalSubtitle');
player!.setSubtitleTrack(subtitleToSelect);
// Set playback rate if preferred rate was provided
if (widget.preferredPlaybackRate != null) {
appLogger.d(
'Setting preferred playback rate: ${widget.preferredPlaybackRate}x',
);
player!.setRate(widget.preferredPlaybackRate!);
}
appLogger.d('Track selection complete');
}
// Check if tracks are already available in current state
final currentTracks = player!.state.tracks;
if (currentTracks.audio.isNotEmpty || currentTracks.subtitle.isNotEmpty) {
await processTracks(currentTracks);
return;
}
// If not, listen to tracks stream for when they become available
bool applied = false;
final subscription = player!.stream.tracks.listen((tracks) async {
// Check if tracks are loaded (have at least one track) and not yet applied
if (!applied && (tracks.audio.isNotEmpty || tracks.subtitle.isNotEmpty)) {
applied = true;
await processTracks(tracks);
}
});
// Cancel subscription after timeout
Future.delayed(const Duration(seconds: 5), () {
subscription.cancel();
});
}
void _onPlayingStateChanged(bool isPlaying) {
// Send timeline update when playback state changes
_sendProgress(isPlaying ? 'playing' : 'paused');
}
void _sendProgress(String state) {
// Don't send misleading data if player isn't available
if (player == null) return;
final position = player!.state.position.inMilliseconds;
final duration = player!.state.duration.inMilliseconds;
if (duration > 0) {
final clientProvider = _cachedClientProvider;
final client = clientProvider?.client;
if (client == null) return;
client
.updateProgress(
widget.metadata.ratingKey,
time: position,
state: state,
duration: duration,
)
.catchError((error) {
// Silently handle errors - don't interrupt playback
});
}
}
void _onVideoCompleted(bool completed) {
if (completed && _nextEpisode != null && !_showPlayNextDialog) {
setState(() {
_showPlayNextDialog = true;
});
}
}
void _onPlayerLog(PlayerLog log) {
// Map MPV log levels to app logger levels
switch (log.level.toLowerCase()) {
case 'fatal':
case 'error':
appLogger.e('[MPV:${log.prefix}] ${log.text}');
break;
case 'warn':
appLogger.w('[MPV:${log.prefix}] ${log.text}');
break;
case 'info':
appLogger.i('[MPV:${log.prefix}] ${log.text}');
break;
case 'debug':
case 'trace':
case 'v':
appLogger.d('[MPV:${log.prefix}] ${log.text}');
break;
default:
appLogger.d('[MPV:${log.prefix}:${log.level}] ${log.text}');
}
}
void _onPlayerError(String error) {
appLogger.e('[MPV ERROR] $error');
}
Future<void> _playNext() async {
if (_nextEpisode == null || _isLoadingNext) return;
setState(() {
_isLoadingNext = true;
_showPlayNextDialog = false;
});
await _navigateToEpisode(_nextEpisode!);
}
Future<void> _playPrevious() async {
if (_previousEpisode == null) return;
await _navigateToEpisode(_previousEpisode!);
}
/// Set flag to skip orientation restoration when replacing with another video
void setReplacingWithVideo() {
_isReplacingWithVideo = true;
}
/// Navigates to a new episode, preserving playback state and track selections
Future<void> _navigateToEpisode(PlexMetadata episodeMetadata) async {
// Set flag to skip orientation restoration in dispose()
_isReplacingWithVideo = true;
// If player isn't available, navigate without preserving settings
if (player == null) {
if (mounted) {
navigateToVideoPlayer(
context,
metadata: episodeMetadata,
usePushReplacement: true,
);
}
return;
}
// Capture current track selection BEFORE pausing
final currentAudioTrack = player!.state.track.audio;
final currentSubtitleTrack = player!.state.track.subtitle;
// Pause and stop current playback
player!.pause();
_progressTimer?.cancel();
_sendProgress('stopped');
// Navigate to the episode using pushReplacement to destroy current player
if (mounted) {
final currentRate = player!.state.rate;
navigateToVideoPlayer(
context,
metadata: episodeMetadata,
preferredAudioTrack: currentAudioTrack,
preferredSubtitleTrack: currentSubtitleTrack,
preferredPlaybackRate: currentRate,
usePushReplacement: true,
);
}
}
@override
Widget build(BuildContext context) {
// Show loading indicator while player initializes
if (!_isPlayerInitialized || controller == null || player == null) {
return const Scaffold(
backgroundColor: Colors.black,
body: Center(child: CircularProgressIndicator(color: Colors.white)),
);
}
return PopScope(
canPop:
false, // Disable swipe-back gesture to prevent interference with timeline scrubbing
onPopInvokedWithResult: (didPop, result) {
// Allow programmatic back navigation from UI controls
if (!didPop) {
Navigator.of(context).pop(true);
}
},
child: Scaffold(
backgroundColor: Colors.black,
body: GestureDetector(
behavior: HitTestBehavior
.translucent, // Allow taps to pass through to controls
onScaleStart: (details) {
// Initialize pinch gesture tracking (mobile only)
if (!PlatformDetector.isMobile(context)) return;
_isPinching = false;
},
onScaleUpdate: (details) {
// Track if this is a pinch gesture (2+ fingers) on mobile
if (!PlatformDetector.isMobile(context)) return;
if (details.pointerCount >= 2) {
_isPinching = true;
}
},
onScaleEnd: (details) {
// Only toggle if we detected a pinch gesture on mobile
if (!PlatformDetector.isMobile(context)) return;
if (_isPinching) {
_toggleContainCover();
_isPinching = false;
}
},
child: Stack(
children: [
// Video player
Center(
child: Video(
controller: controller!,
fit: _getCurrentBoxFit,
controls: (state) => plexVideoControlsBuilder(
player!,
widget.metadata,
onNext: _nextEpisode != null ? _playNext : null,
onPrevious: _previousEpisode != null ? _playPrevious : null,
availableVersions: _availableVersions,
selectedMediaIndex: widget.selectedMediaIndex,
boxFitMode: _boxFitMode,
onCycleBoxFitMode: _cycleBoxFitMode,
),
),
),
// Play Next Dialog
if (_showPlayNextDialog && _nextEpisode != null)
Positioned.fill(
child: Container(
color: Colors.black.withValues(alpha: 0.8),
child: Center(
child: Container(
margin: const EdgeInsets.symmetric(horizontal: 32),
padding: const EdgeInsets.all(32),
decoration: BoxDecoration(
color: Colors.grey[900],
borderRadius: BorderRadius.circular(16),
),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(
Icons.play_circle_outline,
size: 64,
color: Colors.white,
),
const SizedBox(height: 24),
Consumer<PlaybackStateProvider>(
builder: (context, playbackState, child) {
final isShuffleActive =
playbackState.isShuffleActive;
return Row(
mainAxisSize: MainAxisSize.min,
children: [
const Text(
'Up Next',
style: TextStyle(
color: Colors.white,
fontSize: 24,
fontWeight: FontWeight.bold,
),
),
if (isShuffleActive) ...[
const SizedBox(width: 8),
const Icon(
Icons.shuffle,
size: 20,
color: Colors.white70,
),
],
],
);
},
),
const SizedBox(height: 16),
Text(
_nextEpisode!.grandparentTitle ??
_nextEpisode!.title,
style: const TextStyle(
color: Colors.white,
fontSize: 18,
),
textAlign: TextAlign.center,
),
const SizedBox(height: 8),
if (_nextEpisode!.parentIndex != null &&
_nextEpisode!.index != null)
Text(
'S${_nextEpisode!.parentIndex} · E${_nextEpisode!.index} · ${_nextEpisode!.title}',
style: const TextStyle(
color: Colors.white70,
fontSize: 16,
),
textAlign: TextAlign.center,
),
const SizedBox(height: 32),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
OutlinedButton(
onPressed: () {
setState(() {
_showPlayNextDialog = false;
});
},
style: OutlinedButton.styleFrom(
foregroundColor: Colors.white,
side: const BorderSide(color: Colors.white),
padding: const EdgeInsets.symmetric(
horizontal: 32,
vertical: 16,
),
),
child: const Text('Cancel'),
),
const SizedBox(width: 16),
FilledButton(
onPressed: _playNext,
style: FilledButton.styleFrom(
backgroundColor: Colors.white,
foregroundColor: Colors.black,
padding: const EdgeInsets.symmetric(
horizontal: 32,
vertical: 16,
),
),
child: const Text('Play Now'),
),
],
),
],
),
),
),
),
),
],
),
),
),
);
}
}