public void Dispose()
{
if (this.audioClient != null)
{
this.Stop();
this.audioClient.Dispose();
this.audioClient = null;
this.renderClient = null;
}
}
public WasapiOut(MMDevice device, AudioClientShareMode shareMode, bool useEventSync, int latency)
{
this.audioClient = device.AudioClient;
this.mmDevice = device;
this.shareMode = shareMode;
this.isUsingEventSync = useEventSync;
this.latencyMilliseconds = latency;
this.syncContext = SynchronizationContext.Current;
this.outputFormat = this.audioClient.MixFormat;
}
private void CaptureThread(AudioClient client)
{
Exception exception = null;
try
{
DoRecording(client);
}
catch (Exception e)
{
exception = e;
}
finally
{
client.Stop();
// don't dispose - the AudioClient only gets disposed when WasapiCapture is disposed
}
captureThread = null;
captureState = CaptureState.Stopped;
RaiseRecordingStopped(exception);
}
private void DoRecording(AudioClient client)
{
//Debug.WriteLine(String.Format("Client buffer frame count: {0}", client.BufferSize));
int bufferFrameCount = client.BufferSize;
// Calculate the actual duration of the allocated buffer.
long actualDuration = (long)((double)ReftimesPerSec *
bufferFrameCount / waveFormat.SampleRate);
int sleepMilliseconds = (int)(actualDuration / ReftimesPerMillisec / 2);
int waitMilliseconds = (int)(3 * actualDuration / ReftimesPerMillisec);
var capture = client.AudioCaptureClient;
client.Start();
// avoid race condition where we stop immediately after starting
if (captureState == CaptureState.Starting)
{
captureState = CaptureState.Capturing;
}
while (captureState == CaptureState.Capturing)
{
if (isUsingEventSync)
{
frameEventWaitHandle.WaitOne(waitMilliseconds, false);
}
else
{
Thread.Sleep(sleepMilliseconds);
}
if (captureState != CaptureState.Capturing)
{
break;
}
// If still recording
ReadNextPacket(capture);
}
}