public async void Play(int index, CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
bool sameSong = index == SelectedIndex;
SelectedIndex = index;
var resourceItem = Items[index];
// If paused, just unpause and play
if (PlaybackState == PlaybackState.Paused)
{
Pause();
return;
}
// If same song and stream is loaded, just JumpTo start and start play.
if (sameSong && resourceItem.Stream != null && PlaybackState == PlaybackState.Playing)
{
JumpTo(TimeSpan.Zero);
return;
}
Stop(false);
Log(string.Format(@"Reading : '{0}'", resourceItem.DisplayName));
var status = await _client.GetStreamAsync(resourceItem, cancellationToken);
if (status != ResourceLoadStatus.Ok && status != ResourceLoadStatus.StreamExisting)
{
Log(string.Format(@"Reading error : {0}", status));
return;
}
Log(string.Format(@"Reading done : {0}", status));
_resourceItemQueue.Enqueue(resourceItem);
string extension = new FileInfo(resourceItem.DisplayName).Extension.ToLowerInvariant();
switch (extension)
{
case ".wav":
_waveSource = new WaveFileReader(resourceItem.Stream);
break;
case ".mp3":
_waveSource = new DmoMp3Decoder(resourceItem.Stream);
break;
case ".ogg":
_waveSource = new NVorbisSource(resourceItem.Stream).ToWaveSource();
break;
case ".flac":
_waveSource = new FlacFile(resourceItem.Stream);
break;
case ".wma":
_waveSource = new WmaDecoder(resourceItem.Stream);
break;
case ".aac":
case ".m4a":
case ".mp4":
_waveSource = new AacDecoder(resourceItem.Stream);
break;
default:
throw new NotSupportedException(string.Format("Extension '{0}' is not supported", extension));
}
_soundOut.Initialize(_waveSource);
_soundOut.Play();
PlayStarted(SelectedIndex, resourceItem);
// Preload Next
PreloadNext(cancellationToken);
}
