private async Task <bool> TryPlayAsync(KeyValuePair <string, PlayableTrack> trackPair, bool silent = false)
{
if (trackPair.Value == null)
{
return(false);
}
if (this.isLoadingTrack)
{
return(true); // Only load 1 track at a time (just in case)
}
this.OnLoadingTrack(true);
bool isPlaybackSuccess = true;
PlaybackFailedEventArgs playbackFailedEventArgs = null;
try
{
// If a Track was playing, make sure it is now stopped.
this.StopPlayback();
// Check that the file exists
if (!System.IO.File.Exists(trackPair.Value.Path))
{
throw new FileNotFoundException(string.Format("File '{0}' was not found", trackPair.Value.Path));
}
// Start playing
await this.StartPlaybackAsync(trackPair, silent);
// Playing was successful
this.PlaybackSuccess(this.isPlayingPreviousTrack);
// Set this to false again after raising the event. It is important to have a correct slide
// direction for cover art when the next Track is a file from double click in Windows.
this.isPlayingPreviousTrack = false;
LogClient.Info("Playing the file {0}. EventMode={1}, ExclusiveMode={2}, LoopMode={3}, Shuffle={4}", trackPair.Value.Path, this.eventMode.ToString(), this.exclusiveMode.ToString(), this.LoopMode.ToString(), this.shuffle.ToString());
}
catch (FileNotFoundException fnfex)
{
playbackFailedEventArgs = new PlaybackFailedEventArgs {
FailureReason = PlaybackFailureReason.FileNotFound, Message = fnfex.Message, StackTrace = fnfex.StackTrace
};
isPlaybackSuccess = false;
}
catch (Exception ex)
{
playbackFailedEventArgs = new PlaybackFailedEventArgs {
FailureReason = PlaybackFailureReason.Unknown, Message = ex.Message, StackTrace = ex.StackTrace
};
isPlaybackSuccess = false;
}
if (!isPlaybackSuccess)
{
try
{
if (this.player != null)
{
this.player.Stop();
}
}
catch (Exception)
{
LogClient.Error("Could not stop the Player");
}
LogClient.Error("Could not play the file {0}. EventMode={1}, ExclusiveMode={2}, LoopMode={3}, Shuffle={4}. Exception: {5}. StackTrace: {6}", trackPair.Value.Path, this.eventMode.ToString(), this.exclusiveMode.ToString(), this.LoopMode.ToString(), this.shuffle.ToString(), playbackFailedEventArgs.Message, playbackFailedEventArgs.StackTrace);
this.PlaybackFailed(this, playbackFailedEventArgs);
}
this.OnLoadingTrack(false);
return(isPlaybackSuccess);
}
private async Task <bool> TryPlayAsync(TrackInfo trackInfo)
{
bool isPlaybackSuccess = true;
PlaybackFailedEventArgs playbackFailedEventArgs = null;
if (this.isLoadingTrack)
{
return(isPlaybackSuccess);
}
this.isLoadingTrack = true;
this.LoadingTrack(this.isLoadingTrack);
try
{
// If a Track was playing, make sure it is now stopped
if (this.player != null)
{
// Remove the previous Stopped handler (not sure this is needed)
this.player.PlaybackInterrupted -= this.PlaybackInterruptedHandler;
this.player.PlaybackFinished -= this.PlaybackFinishedHandler;
this.player.Stop();
this.player.Dispose();
this.player = null;
}
// Check that the file exists
if (!System.IO.File.Exists(trackInfo.Path))
{
throw new FileNotFoundException(string.Format("File '{0}' was not found", trackInfo.Path));
}
// Play the Track from its runtime path (current or temporary)
this.player = this.playerFactory.Create(Path.GetExtension(trackInfo.Path));
this.player.SetOutputDevice(this.Latency, this.EventMode, this.ExclusiveMode, this.activePreset.Bands);
this.ToggleMute();
// We need to set PlayingTrack before trying to play the Track.
// So if we go into the Catch when trying to play the Track,
// at least, the next time TryPlayNext is called, it will know that
// we already tried to play this track and it can find the next Track.
this.playingTrack = trackInfo;
// Play the Track
await Task.Run(() => this.player.Play(trackInfo.Path));
// Start reporting progress
this.progressTimer.Start();
// Hook up the Stopped event
this.player.PlaybackInterrupted += this.PlaybackInterruptedHandler;
this.player.PlaybackFinished += this.PlaybackFinishedHandler;
// Playing was successful
this.PlaybackSuccess(this.isPlayingPreviousTrack);
// Set this to false again after raising the event. It is important to have a correct slide
// direction for cover art when the next Track is a file from double click in Windows.
this.isPlayingPreviousTrack = false;
}
catch (FileNotFoundException fnfex)
{
playbackFailedEventArgs = new PlaybackFailedEventArgs {
FailureReason = PlaybackFailureReason.FileNotFound, Message = fnfex.Message, StackTrace = fnfex.StackTrace
};
isPlaybackSuccess = false;
}
catch (Exception ex)
{
playbackFailedEventArgs = new PlaybackFailedEventArgs {
FailureReason = PlaybackFailureReason.Unknown, Message = ex.Message, StackTrace = ex.StackTrace
};
isPlaybackSuccess = false;
}
if (!isPlaybackSuccess)
{
try
{
if (this.player != null)
{
this.player.Stop();
}
}
catch (Exception)
{
LogClient.Instance.Logger.Error("Could not stop the Player");
}
LogClient.Instance.Logger.Error("Could not play the file {0}. EventMode={1}, ExclusiveMode={2}, LoopMode={3}, Shuffle={4}. Exception: {5}. StackTrace: {6}", trackInfo.Path, this.eventMode, this.exclusiveMode, this.LoopMode.ToString(), this.shuffle, playbackFailedEventArgs.Message, playbackFailedEventArgs.StackTrace);
this.PlaybackFailed(this, playbackFailedEventArgs);
}
this.isLoadingTrack = false;
this.LoadingTrack(this.isLoadingTrack);
return(isPlaybackSuccess);
}
