setQuality method

Implementation

Future<void> setQuality(int height) async {
  if (_currentManifest == null || _currentVideoId == null) {
    if (!kReleaseMode) {
      debugPrint(
          'YPlayerController: Cannot change quality - no manifest available');
    }
    return;
  }
  if (_status == YPlayerStatus.loading) return;
  if (_currentQuality == height) return; // No-op if already at this quality

  _currentQuality = height;
  final currentPosition = _player.state.position;
  final wasPlaying = _player.state.playing;

  _setStatus(YPlayerStatus.loading);
  try {
    exp.VideoStreamInfo videoStreamInfo;
    if (height == 0) {
      videoStreamInfo = withHighestBitrate(_currentManifest!);
    } else {
      videoStreamInfo = _currentManifest!.videoOnly
          .where((s) => s.videoResolution.height == height)
          .withHighestBitrate();
    }
    final audioStreamInfo = _currentManifest!.audioOnly.withHighestBitrate();

    // Only switch if the URL is different
    final currentUrl = _player.state.playlist.medias.isNotEmpty
        ? _player.state.playlist.medias.first.uri.toString()
        : '';
    if (currentUrl == videoStreamInfo.url.toString()) {
      _setStatus(wasPlaying ? YPlayerStatus.playing : YPlayerStatus.paused);
      return;
    }

    if (!kReleaseMode) {
      debugPrint(
          'YPlayerController: Changing quality to ${videoStreamInfo.videoResolution.height}p');
    }
    await _player.stop();
    await _player.open(
        Media(videoStreamInfo.url.toString(), start: currentPosition),
        play: false);
    await Future.delayed(const Duration(milliseconds: 100));
    await _player
        .setAudioTrack(AudioTrack.uri(audioStreamInfo.url.toString()));
    if (wasPlaying) {
      play();
    }
    _setStatus(wasPlaying ? YPlayerStatus.playing : YPlayerStatus.paused);
    if (!kReleaseMode) {
      debugPrint('YPlayerController: Quality change complete');
    }
  } catch (e) {
    if (!kReleaseMode) {
      debugPrint('YPlayerController: Error changing quality: $e');
    }
    _setStatus(YPlayerStatus.error);
  }
}