public async Task <PlaybackService> InitializeAsync()
{
// Initialize Setting
//Setting.InitializeSettingBinary(RepeatMode, nameof(RepeatMode), MediaRepeatMode.None);
//Setting.InitializeSetting(EnableShuffle, nameof(EnableShuffle), false);
Player = new MediaPlayer();
_playlistContainer = new PlaylistContainer();
Setting.Playback.Volume
.Subscribe(x => Player.Volume = x / 100d);
Observable.FromEventPattern <TypedEventHandler <MediaPlayer, object>, object>(
h => Player.MediaEnded += h, h => Player.MediaEnded -= h)
.Subscribe(async _ =>
{
IsPlaying.OnNext(false);
if (_playlistContainer.RepeatMode == MediaRepeatMode.Track)
{
await PlayAsyncInner(_playlistContainer.CurrentTrack);
return;
}
if (_playlistContainer.HasNext())
{
await PlayAsyncInner(_playlistContainer.Next());
}
});
Observable.Timer(TimeSpan.Zero, TimeSpan.FromMilliseconds(500))
.SkipUntil(IsPlaying.DistinctUntilChanged().Where(x => x))
.TakeUntil(IsPlaying.DistinctUntilChanged().Where(x => !x))
.Repeat()
.Subscribe(_ =>
{
PlaybackPosition.OnNext(Player.PlaybackSession);
});
NewTrackPlayed
.Do(x => WriteSmtcThumbnail(x.PlaybackItem, x.Track))
.ObserveOnCoreDispatcher()
.Subscribe(x =>
{
if (_previousTrack != null)
{
_previousTrack.IsPlaying = false;
}
x.Track.IsPlaying = true;
_previousTrack = x.Track;
});
return(await Task.FromResult(this));
}
private static async Task PlayAsyncInner(TrackViewModel track)
{
var mpi = await CreateMediaPlaybackItemAsync(track);
Player.Source = mpi;
Player.Play();
NewTrackPlayed.OnNext(new TrackMixed
{
Track = track,
PlaybackItem = mpi,
});
IsPlaying.OnNext(true);
}
