Files
plezy/lib/screens/video_player_screen.dart
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2025-10-28 07:59:17 +01:00

799 lines
27 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 '../client/plex_client.dart';
import '../models/plex_metadata.dart';
import '../models/plex_user_profile.dart';
import '../widgets/plex_video_controls.dart';
import '../utils/language_codes.dart';
import '../utils/app_logger.dart';
class VideoPlayerScreen extends StatefulWidget {
final PlexClient client;
final PlexMetadata metadata;
final AudioTrack? preferredAudioTrack;
final SubtitleTrack? preferredSubtitleTrack;
final double? preferredPlaybackRate;
final PlexUserProfile? userProfile;
const VideoPlayerScreen({
super.key,
required this.client,
required this.metadata,
this.preferredAudioTrack,
this.preferredSubtitleTrack,
this.preferredPlaybackRate,
this.userProfile,
});
@override
State<VideoPlayerScreen> createState() => _VideoPlayerScreenState();
}
class _VideoPlayerScreenState extends State<VideoPlayerScreen> {
late final Player player;
late final VideoController controller;
Timer? _progressTimer;
PlexMetadata? _nextEpisode;
PlexMetadata? _previousEpisode;
bool _isLoadingNext = false;
bool _showPlayNextDialog = false;
@override
void initState() {
super.initState();
appLogger.d('VideoPlayerScreen initialized for: ${widget.metadata.title}');
if (widget.userProfile != null) {
appLogger.d('Using user profile for track selection');
}
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');
}
// Create player and controller
player = Player(configuration: PlayerConfiguration(libass: true));
controller = VideoController(player);
// Get the video URL and start playback
_startPlayback();
// Set fullscreen mode and landscape orientation
_setLandscapeOrientation();
// Listen to playback state changes
player.stream.playing.listen(_onPlayingStateChanged);
// Listen to completion
player.stream.completed.listen(_onVideoCompleted);
// Start periodic progress updates
_startProgressTracking();
// Load next/previous episodes
_loadAdjacentEpisodes();
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
// Ensure landscape orientation is set even after navigation
_setLandscapeOrientation();
}
void _setLandscapeOrientation() {
SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);
SystemChrome.setPreferredOrientations([
DeviceOrientation.landscapeLeft,
DeviceOrientation.landscapeRight,
]);
}
Future<void> _loadAdjacentEpisodes() async {
if (widget.metadata.type.toLowerCase() != 'episode') {
return;
}
try {
final next = await widget.client.getNextEpisode(widget.metadata);
final previous = await widget.client.getPreviousEpisode(widget.metadata);
if (mounted) {
setState(() {
_nextEpisode = next;
_previousEpisode = previous;
});
}
} catch (e) {
// Silently handle errors
}
}
Future<void> _startPlayback() async {
try {
// Get the direct file URL from the server
final videoUrl = await widget.client.getVideoUrl(
widget.metadata.ratingKey,
);
if (videoUrl != null) {
// Open video without auto-playing
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 < 50) {
await Future.delayed(const Duration(milliseconds: 100));
attempts++;
}
// 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();
// 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')));
}
}
}
@override
void dispose() {
// Stop progress tracking
_progressTimer?.cancel();
// Send final stopped state
_sendProgress('stopped');
// Restore system UI
SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
// Restore portrait-only orientation
SystemChrome.setPreferredOrientations([
DeviceOrientation.portraitUp,
DeviceOrientation.portraitDown,
]);
player.dispose();
super.dispose();
}
void _startProgressTracking() {
// Send progress update every 10 seconds
_progressTimer = Timer.periodic(const Duration(seconds: 10), (timer) {
if (player.state.playing) {
_sendProgress('playing');
}
});
}
AudioTrack? _findBestAudioMatch(
List<AudioTrack> availableTracks,
AudioTrack preferred,
) {
if (availableTracks.isEmpty) return null;
// Filter out auto and no tracks
final validTracks = availableTracks
.where((t) => t.id != 'auto' && t.id != 'no')
.toList();
if (validTracks.isEmpty) return null;
// Try to match: index, title, and language
for (var track in validTracks) {
if (track.id == preferred.id &&
track.title == preferred.title &&
track.language == preferred.language) {
return track;
}
}
// Try to match: title and language
for (var track in validTracks) {
if (track.title == preferred.title &&
track.language == preferred.language) {
return track;
}
}
// Try to match: language only
for (var track in validTracks) {
if (track.language == preferred.language) {
return track;
}
}
return null;
}
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}',
);
if (availableTracks.isEmpty || !profile.autoSelectAudio) {
appLogger.d(
'Cannot use profile: ${availableTracks.isEmpty ? "No tracks available" : "autoSelectAudio is false"}',
);
return null;
}
final preferredLanguage = profile.defaultAudioLanguage;
if (preferredLanguage == null || preferredLanguage.isEmpty) {
appLogger.d('Cannot use profile: No defaultAudioLanguage specified');
return null;
}
// Get all possible language code variations (e.g., "en" → ["en", "eng"])
final languageVariations = LanguageCodes.getVariations(preferredLanguage);
appLogger.d(
'Checking language variations: ${languageVariations.join(", ")}',
);
// Try to find track matching any language variation
for (var track in availableTracks) {
final trackLang = track.language?.toLowerCase();
if (trackLang != null && languageVariations.contains(trackLang)) {
appLogger.d(
'Found audio track matching profile language "$preferredLanguage" (matched: "$trackLang"): ${track.title ?? "Track ${track.id}"}',
);
return track;
}
}
appLogger.d(
'No audio track found matching profile language "$preferredLanguage" or its variations',
);
return null;
}
SubtitleTrack? _findBestSubtitleMatch(
List<SubtitleTrack> availableTracks,
SubtitleTrack preferred,
) {
// If preferred is "no", return no subtitles
if (preferred.id == 'no') {
return SubtitleTrack.no();
}
if (availableTracks.isEmpty) return null;
// Filter out auto and no tracks
final validTracks = availableTracks
.where((t) => t.id != 'auto' && t.id != 'no')
.toList();
if (validTracks.isEmpty) return null;
// Try to match: index, title, and language
for (var track in validTracks) {
if (track.id == preferred.id &&
track.title == preferred.title &&
track.language == preferred.language) {
return track;
}
}
// Try to match: title and language
for (var track in validTracks) {
if (track.title == preferred.title &&
track.language == preferred.language) {
return track;
}
}
// Try to match: language only
for (var track in validTracks) {
if (track.language == preferred.language) {
return track;
}
}
return null;
}
SubtitleTrack? _findSubtitleTrackByProfile(
List<SubtitleTrack> availableTracks,
PlexUserProfile profile,
) {
appLogger.d('Subtitle track selection using user profile');
appLogger.d(
'Profile settings - autoSelectSubtitle: ${profile.autoSelectSubtitle}, defaultSubtitleLanguage: ${profile.defaultSubtitleLanguage}, defaultSubtitleForced: ${profile.defaultSubtitleForced}',
);
if (availableTracks.isEmpty) {
appLogger.d('Cannot use profile: No subtitle tracks available');
return null;
}
// If autoSelectSubtitle is 0, don't select any subtitle
if (!profile.shouldAutoSelectSubtitle) {
appLogger.d(
'Profile specifies no auto-select (autoSelectSubtitle=0) - Subtitles OFF',
);
return SubtitleTrack.no();
}
final preferredLanguage = profile.defaultSubtitleLanguage;
if (preferredLanguage == null || preferredLanguage.isEmpty) {
appLogger.d('Cannot use profile: No defaultSubtitleLanguage specified');
return null;
}
// Get all possible language code variations (e.g., "en" → ["en", "eng"])
final languageVariations = LanguageCodes.getVariations(preferredLanguage);
appLogger.d(
'Checking language variations: ${languageVariations.join(", ")}',
);
// If defaultSubtitleForced is 1, prefer forced subtitles
if (profile.preferForcedSubtitles) {
appLogger.d('Profile prefers forced subtitles (defaultSubtitleForced=1)');
// Try to find forced subtitle in preferred language
for (var track in availableTracks) {
final trackLang = track.language?.toLowerCase();
if (trackLang != null &&
languageVariations.contains(trackLang) &&
track.title?.toLowerCase().contains('forced') == true) {
appLogger.d(
'Found forced subtitle matching profile language "$preferredLanguage" (matched: "$trackLang"): ${track.title ?? "Track ${track.id}"}',
);
return track;
}
}
appLogger.d(
'No forced subtitle found in "$preferredLanguage" or its variations, trying regular subtitles',
);
}
// Try to find regular subtitle in preferred language
for (var track in availableTracks) {
final trackLang = track.language?.toLowerCase();
if (trackLang != null && languageVariations.contains(trackLang)) {
appLogger.d(
'Found subtitle matching profile language "$preferredLanguage" (matched: "$trackLang"): ${track.title ?? "Track ${track.id}"}',
);
return track;
}
}
appLogger.d(
'No subtitle track found matching profile language "$preferredLanguage" or its variations',
);
return null;
}
void _waitForTracksAndApply() async {
// Helper function to process tracks
Future<void> processTracks(Tracks tracks) async {
appLogger.d('Starting track selection process');
// 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 && widget.userProfile != null) {
appLogger.d('Priority 2: Checking user profile preferences');
trackToSelect = _findAudioTrackByProfile(
realAudioTracks,
widget.userProfile!,
);
} 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 &&
widget.userProfile != null &&
realSubtitleTracks.isNotEmpty) {
appLogger.d('Priority 2: Checking user profile preferences');
subtitleToSelect = _findSubtitleTrackByProfile(
realSubtitleTracks,
widget.userProfile!,
);
} 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) {
final position = player.state.position.inMilliseconds;
final duration = player.state.duration.inMilliseconds;
if (duration > 0) {
widget.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;
});
}
}
Future<void> _playNext() async {
if (_nextEpisode == null || _isLoadingNext) return;
setState(() {
_isLoadingNext = true;
_showPlayNextDialog = false;
});
// 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 next episode using pushReplacement to destroy current player
if (mounted) {
final currentRate = player.state.rate;
Navigator.of(context).pushReplacement(
MaterialPageRoute(
builder: (context) => VideoPlayerScreen(
client: widget.client,
metadata: _nextEpisode!,
preferredAudioTrack: currentAudioTrack,
preferredSubtitleTrack: currentSubtitleTrack,
preferredPlaybackRate: currentRate,
userProfile: widget.userProfile,
),
),
);
}
}
Future<void> _playPrevious() async {
if (_previousEpisode == null) 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 previous episode using pushReplacement to destroy current player
if (mounted) {
final currentRate = player.state.rate;
Navigator.of(context).pushReplacement(
MaterialPageRoute(
builder: (context) => VideoPlayerScreen(
client: widget.client,
metadata: _previousEpisode!,
preferredAudioTrack: currentAudioTrack,
preferredSubtitleTrack: currentSubtitleTrack,
preferredPlaybackRate: currentRate,
userProfile: widget.userProfile,
),
),
);
}
}
@override
Widget build(BuildContext context) {
return PopScope(
canPop: true,
child: Scaffold(
backgroundColor: Colors.black,
body: Stack(
children: [
// Video player
Center(
child: Video(
controller: controller,
controls: (state) => plexVideoControlsBuilder(
player,
widget.client,
widget.metadata,
onNext: _nextEpisode != null ? _playNext : null,
onPrevious: _previousEpisode != null ? _playPrevious : null,
),
),
),
// 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),
const Text(
'Up Next',
style: TextStyle(
color: Colors.white,
fontSize: 24,
fontWeight: FontWeight.bold,
),
),
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'),
),
],
),
],
),
),
),
),
),
],
),
),
);
}
}