mirror of
https://github.com/immich-app/immich.git
synced 2025-01-04 02:46:47 +01:00
386 lines
13 KiB
Dart
386 lines
13 KiB
Dart
import 'dart:async';
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import 'dart:io';
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import 'package:auto_route/auto_route.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart' hide Store;
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:immich_mobile/entities/asset.entity.dart';
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import 'package:immich_mobile/entities/store.entity.dart';
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import 'package:immich_mobile/providers/app_settings.provider.dart';
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import 'package:immich_mobile/providers/asset_viewer/current_asset.provider.dart';
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import 'package:immich_mobile/providers/asset_viewer/is_motion_video_playing.provider.dart';
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import 'package:immich_mobile/providers/asset_viewer/video_player_controls_provider.dart';
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import 'package:immich_mobile/providers/asset_viewer/video_player_value_provider.dart';
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import 'package:immich_mobile/services/api.service.dart';
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import 'package:immich_mobile/services/app_settings.service.dart';
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import 'package:immich_mobile/services/asset.service.dart';
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import 'package:immich_mobile/utils/debounce.dart';
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import 'package:immich_mobile/utils/hooks/interval_hook.dart';
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import 'package:immich_mobile/widgets/asset_viewer/custom_video_player_controls.dart';
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import 'package:logging/logging.dart';
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import 'package:native_video_player/native_video_player.dart';
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import 'package:wakelock_plus/wakelock_plus.dart';
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@RoutePage()
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class NativeVideoViewerPage extends HookConsumerWidget {
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final Asset asset;
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final bool showControls;
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final Widget image;
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const NativeVideoViewerPage({
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super.key,
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required this.asset,
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required this.image,
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this.showControls = true,
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});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final controller = useState<NativeVideoPlayerController?>(null);
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final lastVideoPosition = useRef(-1);
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final isBuffering = useRef(false);
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// When a video is opened through the timeline, `isCurrent` will immediately be true.
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// When swiping from video A to video B, `isCurrent` will initially be true for video A and false for video B.
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// If the swipe is completed, `isCurrent` will be true for video B after a delay.
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// If the swipe is canceled, `currentAsset` will not have changed and video A will continue to play.
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final currentAsset = useState(ref.read(currentAssetProvider));
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final isCurrent = currentAsset.value == asset;
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// Used to show the placeholder during hero animations for remote videos to avoid a stutter
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final isVisible = useState(Platform.isIOS && asset.isLocal);
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final log = Logger('NativeVideoViewerPage');
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Future<VideoSource?> createSource() async {
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if (!context.mounted) {
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return null;
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}
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try {
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final local = asset.local;
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if (local != null) {
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final file = await local.file;
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if (file == null) {
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throw Exception('No file found for the video');
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}
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final source = await VideoSource.init(
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path: file.path,
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type: VideoSourceType.file,
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);
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return source;
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}
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// Use a network URL for the video player controller
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final serverEndpoint = Store.get(StoreKey.serverEndpoint);
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final String videoUrl = asset.livePhotoVideoId != null
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? '$serverEndpoint/assets/${asset.livePhotoVideoId}/video/playback'
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: '$serverEndpoint/assets/${asset.remoteId}/video/playback';
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final source = await VideoSource.init(
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path: videoUrl,
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type: VideoSourceType.network,
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headers: ApiService.getRequestHeaders(),
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);
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return source;
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} catch (error) {
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log.severe(
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'Error creating video source for asset ${asset.fileName}: $error',
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);
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return null;
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}
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}
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final videoSource = useMemoized<Future<VideoSource?>>(() => createSource());
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final aspectRatio = useState<double?>(asset.aspectRatio);
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useMemoized(
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() async {
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if (!context.mounted || aspectRatio.value != null) {
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return null;
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}
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try {
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aspectRatio.value =
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await ref.read(assetServiceProvider).getAspectRatio(asset);
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} catch (error) {
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log.severe(
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'Error getting aspect ratio for asset ${asset.fileName}: $error',
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);
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}
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},
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);
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void checkIfBuffering() {
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if (!context.mounted) {
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return;
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}
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final videoPlayback = ref.read(videoPlaybackValueProvider);
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if ((isBuffering.value ||
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videoPlayback.state == VideoPlaybackState.initializing) &&
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videoPlayback.state != VideoPlaybackState.buffering) {
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ref.read(videoPlaybackValueProvider.notifier).value =
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videoPlayback.copyWith(state: VideoPlaybackState.buffering);
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}
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}
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// Timer to mark videos as buffering if the position does not change
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useInterval(const Duration(seconds: 5), checkIfBuffering);
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// When the position changes, seek to the position
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// Debounce the seek to avoid seeking too often
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// But also don't delay the seek too much to maintain visual feedback
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final seekDebouncer = useDebouncer(
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interval: const Duration(milliseconds: 100),
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maxWaitTime: const Duration(milliseconds: 200),
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);
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ref.listen(videoPlayerControlsProvider, (oldControls, newControls) async {
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final playerController = controller.value;
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if (playerController == null) {
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return;
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}
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final playbackInfo = playerController.playbackInfo;
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if (playbackInfo == null) {
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return;
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}
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final oldSeek = (oldControls?.position ?? 0) ~/ 1;
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final newSeek = newControls.position ~/ 1;
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if (oldSeek != newSeek || newControls.restarted) {
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seekDebouncer.run(() => playerController.seekTo(newSeek));
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}
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if (oldControls?.pause != newControls.pause || newControls.restarted) {
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// Make sure the last seek is complete before pausing or playing
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// Otherwise, `onPlaybackPositionChanged` can receive outdated events
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if (seekDebouncer.isActive) {
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await seekDebouncer.drain();
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}
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try {
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if (newControls.pause) {
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await playerController.pause();
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} else {
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await playerController.play();
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}
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} catch (error) {
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log.severe('Error pausing or playing video: $error');
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}
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}
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});
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void onPlaybackReady() async {
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final videoController = controller.value;
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if (videoController == null || !isCurrent || !context.mounted) {
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return;
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}
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final videoPlayback =
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VideoPlaybackValue.fromNativeController(videoController);
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ref.read(videoPlaybackValueProvider.notifier).value = videoPlayback;
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try {
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await videoController.play();
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await videoController.setVolume(0.9);
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} catch (error) {
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log.severe('Error playing video: $error');
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}
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}
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void onPlaybackStatusChanged() {
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final videoController = controller.value;
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if (videoController == null || !context.mounted) {
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return;
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}
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final videoPlayback =
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VideoPlaybackValue.fromNativeController(videoController);
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if (videoPlayback.state == VideoPlaybackState.playing) {
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// Sync with the controls playing
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WakelockPlus.enable();
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} else {
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// Sync with the controls pause
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WakelockPlus.disable();
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}
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ref.read(videoPlaybackValueProvider.notifier).status =
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videoPlayback.state;
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}
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void onPlaybackPositionChanged() {
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// When seeking, these events sometimes move the slider to an older position
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if (seekDebouncer.isActive) {
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return;
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}
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final videoController = controller.value;
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if (videoController == null || !context.mounted) {
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return;
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}
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final playbackInfo = videoController.playbackInfo;
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if (playbackInfo == null) {
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return;
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}
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ref.read(videoPlaybackValueProvider.notifier).position =
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Duration(seconds: playbackInfo.position);
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// Check if the video is buffering
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if (playbackInfo.status == PlaybackStatus.playing) {
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isBuffering.value = lastVideoPosition.value == playbackInfo.position;
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lastVideoPosition.value = playbackInfo.position;
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} else {
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isBuffering.value = false;
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lastVideoPosition.value = -1;
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}
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}
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void onPlaybackEnded() {
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final videoController = controller.value;
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if (videoController == null || !context.mounted) {
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return;
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}
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if (videoController.playbackInfo?.status == PlaybackStatus.stopped &&
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!ref
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.read(appSettingsServiceProvider)
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.getSetting<bool>(AppSettingsEnum.loopVideo)) {
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ref.read(isPlayingMotionVideoProvider.notifier).playing = false;
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}
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}
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void removeListeners(NativeVideoPlayerController controller) {
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controller.onPlaybackPositionChanged
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.removeListener(onPlaybackPositionChanged);
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controller.onPlaybackStatusChanged
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.removeListener(onPlaybackStatusChanged);
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controller.onPlaybackReady.removeListener(onPlaybackReady);
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controller.onPlaybackEnded.removeListener(onPlaybackEnded);
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}
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void initController(NativeVideoPlayerController nc) async {
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if (controller.value != null || !context.mounted) {
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return;
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}
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ref.read(videoPlayerControlsProvider.notifier).reset();
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ref.read(videoPlaybackValueProvider.notifier).reset();
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final source = await videoSource;
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if (source == null) {
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return;
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}
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nc.onPlaybackPositionChanged.addListener(onPlaybackPositionChanged);
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nc.onPlaybackStatusChanged.addListener(onPlaybackStatusChanged);
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nc.onPlaybackReady.addListener(onPlaybackReady);
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nc.onPlaybackEnded.addListener(onPlaybackEnded);
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nc.loadVideoSource(source).catchError((error) {
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log.severe('Error loading video source: $error');
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});
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final loopVideo = ref
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.read(appSettingsServiceProvider)
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.getSetting<bool>(AppSettingsEnum.loopVideo);
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nc.setLoop(loopVideo);
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controller.value = nc;
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Timer(const Duration(milliseconds: 200), checkIfBuffering);
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}
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ref.listen(currentAssetProvider, (_, value) {
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final playerController = controller.value;
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if (playerController != null && value != asset) {
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removeListeners(playerController);
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}
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final curAsset = currentAsset.value;
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if (curAsset == asset) {
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return;
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}
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final imageToVideo = curAsset != null && !curAsset.isVideo;
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// No need to delay video playback when swiping from an image to a video
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if (imageToVideo && Platform.isIOS) {
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currentAsset.value = value;
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onPlaybackReady();
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return;
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}
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// Delay the video playback to avoid a stutter in the swipe animation
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Timer(
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Platform.isIOS
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? const Duration(milliseconds: 300)
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: imageToVideo
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? const Duration(milliseconds: 200)
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: const Duration(milliseconds: 400), () {
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if (!context.mounted) {
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return;
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}
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currentAsset.value = value;
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if (currentAsset.value == asset) {
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onPlaybackReady();
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}
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});
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});
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useEffect(
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() {
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// If opening a remote video from a hero animation, delay visibility to avoid a stutter
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final timer = isVisible.value
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? null
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: Timer(
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const Duration(milliseconds: 300),
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() => isVisible.value = true,
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);
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return () {
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timer?.cancel();
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final playerController = controller.value;
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if (playerController == null) {
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return;
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}
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removeListeners(playerController);
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playerController.stop().catchError((error) {
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log.fine('Error stopping video: $error');
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});
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WakelockPlus.disable();
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};
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},
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const [],
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);
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return Stack(
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children: [
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// This remains under the video to avoid flickering
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// For motion videos, this is the image portion of the asset
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Center(key: ValueKey(asset.id), child: image),
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if (aspectRatio.value != null)
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Visibility.maintain(
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key: ValueKey(asset),
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visible: isVisible.value,
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child: Center(
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key: ValueKey(asset),
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child: AspectRatio(
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key: ValueKey(asset),
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aspectRatio: aspectRatio.value!,
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child: isCurrent
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? NativeVideoPlayerView(
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key: ValueKey(asset),
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onViewReady: initController,
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)
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: null,
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),
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),
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),
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if (showControls) const Center(child: CustomVideoPlayerControls()),
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],
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);
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}
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}
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