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feat(mobile): high precision seeking (#22346)

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* millisecond precision video playback

* wrap in unawaited

* update commit
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Mert 2025-10-24 14:59:30 -04:00 • committed by GitHub
parent 78fb815cdb
commit c73e3dacea
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7 changed files with 81 additions and 53 deletions
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54
mobile/lib/presentation/widgets/asset_viewer/video_viewer.widget.dart
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@ -46,6 +46,7 @@ bool _isCurrentAsset(BaseAsset asset, BaseAsset? currentAsset) {
}
class NativeVideoViewer extends HookConsumerWidget {
static final log = Logger('NativeVideoViewer');
final BaseAsset asset;
final bool showControls;
final int playbackDelayFactor;
@ -79,8 +80,6 @@ class NativeVideoViewer extends HookConsumerWidget {
// Used to show the placeholder during hero animations for remote videos to avoid a stutter
final isVisible = useState(Platform.isIOS && asset.hasLocal);
final log = Logger('NativeVideoViewerPage');
final isCasting = ref.watch(castProvider.select((c) => c.isCasting));
Future<VideoSource?> createSource() async {
@ -169,7 +168,7 @@ class NativeVideoViewer extends HookConsumerWidget {
interval: const Duration(milliseconds: 100),
maxWaitTime: const Duration(milliseconds: 200),
);
ref.listen(videoPlayerControlsProvider, (oldControls, newControls) async {
ref.listen(videoPlayerControlsProvider, (oldControls, newControls) {
final playerController = controller.value;
if (playerController == null) {
return;
@ -180,28 +179,14 @@ class NativeVideoViewer extends HookConsumerWidget {
return;
}
final oldSeek = (oldControls?.position ?? 0) ~/ 1;
final newSeek = newControls.position ~/ 1;
final oldSeek = oldControls?.position.inMilliseconds;
final newSeek = newControls.position.inMilliseconds;
if (oldSeek != newSeek || newControls.restarted) {
seekDebouncer.run(() => playerController.seekTo(newSeek));
}
if (oldControls?.pause != newControls.pause || newControls.restarted) {
// Make sure the last seek is complete before pausing or playing
// Otherwise, `onPlaybackPositionChanged` can receive outdated events
if (seekDebouncer.isActive) {
await seekDebouncer.drain();
}
try {
if (newControls.pause) {
await playerController.pause();
} else {
await playerController.play();
}
} catch (error) {
log.severe('Error pausing or playing video: $error');
}
unawaited(_onPauseChange(context, playerController, seekDebouncer, newControls.pause));
}
});
@ -263,7 +248,7 @@ class NativeVideoViewer extends HookConsumerWidget {
return;
}
ref.read(videoPlaybackValueProvider.notifier).position = Duration(seconds: playbackInfo.position);
ref.read(videoPlaybackValueProvider.notifier).position = Duration(milliseconds: playbackInfo.position);
// Check if the video is buffering
if (playbackInfo.status == PlaybackStatus.playing) {
@ -422,4 +407,31 @@ class NativeVideoViewer extends HookConsumerWidget {
],
);
}
Future<void> _onPauseChange(
BuildContext context,
NativeVideoPlayerController controller,
Debouncer seekDebouncer,
bool isPaused,
) async {
if (!context.mounted) {
return;
}
// Make sure the last seek is complete before pausing or playing
// Otherwise, `onPlaybackPositionChanged` can receive outdated events
if (seekDebouncer.isActive) {
await seekDebouncer.drain();
}
try {
if (isPaused) {
await controller.pause();
} else {
await controller.play();
}
} catch (error) {
log.severe('Error pausing or playing video: $error');
}
}
}