// modified from NAudio sample code but working with incoming bytes
private void GetStreaming(object state)
{
this.fullyDownloaded = false;
try
{
do
{
if (bufferedWaveProvider == null)
{
this.bufferedWaveProvider = new BufferedWaveProvider(new WaveFormat(44100, 2));
this.bufferedWaveProvider.BufferDuration = TimeSpan.FromMinutes(20); // allow us to get well ahead of ourselves
Logger.WriteDebug("Creating buffered wave provider");
}
// in case its still null
if (bufferedWaveProvider == null)
{
continue;
}
var freeBufferBytes = bufferedWaveProvider.BufferLength - bufferedWaveProvider.BufferedBytes;
if (freeBufferBytes < bufferedWaveProvider.WaveFormat.AverageBytesPerSecond / 4)
{
Logger.WriteDebug("Buffer getting full, taking a break");
Thread.Sleep(450);
}
Thread.Sleep(250);
} while (playbackState != StreamingPlaybackState.Stopped);
Logger.WriteDebug("Playback stopped");
}
finally
{
// no post-processing work here, right?
}
}
private void waveOut_PlaybackStopped(object sender, StoppedEventArgs e)
{
Logger.WriteDebug("Playback Stopped");
if (e.Exception != null && OnError != null)
{
OnError(e.Exception.Message);
}
}
public void Pause()
{
if (playbackState == StreamingPlaybackState.Playing || playbackState == StreamingPlaybackState.Buffering)
{
waveOut.Pause();
Logger.WriteDebug(String.Format("User requested Pause, waveOut.PlaybackState={0}", waveOut.PlaybackState));
playbackState = StreamingPlaybackState.Paused;
}
}
private void timer1_Tick(object sender, System.Timers.ElapsedEventArgs e)
{
if (playbackState != StreamingPlaybackState.Stopped)
{
if (this.waveOut == null && this.bufferedWaveProvider != null)
{
Logger.WriteDebug("Creating WaveOut Device");
this.waveOut = CreateWaveOut();
waveOut.PlaybackStopped += waveOut_PlaybackStopped;
this.volumeProvider = new VolumeWaveProvider16(bufferedWaveProvider);
this.volumeProvider.Volume = this.volume;
waveOut.Init(volumeProvider);
}
if (bufferedWaveProvider != null)
{
var bufferedSeconds = bufferedWaveProvider.BufferedDuration.TotalSeconds;
// make it stutter less if we buffer up a decent amount before playing
if (bufferedSeconds < 0.5 && this.playbackState == StreamingPlaybackState.Playing && !this.fullyDownloaded)
{
this.playbackState = StreamingPlaybackState.Buffering;
waveOut.Pause();
Logger.WriteDebug(String.Format("Paused to buffer, waveOut.PlaybackState={0}", waveOut.PlaybackState));
}
else if (bufferedSeconds > secondsToBuffer && this.playbackState == StreamingPlaybackState.Buffering)
{
waveOut.Play();
Logger.WriteDebug(String.Format("Started playing, waveOut.PlaybackState={0}", waveOut.PlaybackState));
this.playbackState = StreamingPlaybackState.Playing;
}
// stop when right at the end
else if (this.fullyDownloaded && bufferedSeconds == 0)
{
Logger.WriteDebug("Reached end of stream");
Stop();
// handle end of track logic
if (OnEndOfTrack != null)
{
OnEndOfTrack();
}
}
}
}
}
