public void Dispose()
{
if (this.audioClientInterface != null)
{
if (this.audioClockClient != null)
{
this.audioClockClient.Dispose();
this.audioClockClient = null;
}
if (this.audioRenderClient != null)
{
this.audioRenderClient.Dispose();
this.audioRenderClient = null;
}
if (this.audioCaptureClient != null)
{
this.audioCaptureClient.Dispose();
this.audioCaptureClient = null;
}
if (this.audioStreamVolume != null)
{
this.audioStreamVolume.Dispose();
this.audioStreamVolume = null;
}
Marshal.ReleaseComObject(this.audioClientInterface);
this.audioClientInterface = null;
GC.SuppressFinalize(this);
}
}
private void ReadNextPacket(AudioCaptureClient capture)
{
int packetSize = capture.GetNextPacketSize();
int recordBufferOffset = 0;
//Debug.WriteLine(string.Format("packet size: {0} samples", packetSize / 4));
while (packetSize != 0)
{
IntPtr buffer = capture.GetBuffer(out int framesAvailable, out AudioClientBufferFlags flags);
int bytesAvailable = framesAvailable * bytesPerFrame;
// apparently it is sometimes possible to read more frames than we were expecting?
// fix suggested by Michael Feld:
int spaceRemaining = Math.Max(0, recordBuffer.Length - recordBufferOffset);
if (spaceRemaining < bytesAvailable && recordBufferOffset > 0)
{
DataAvailable?.Invoke(this, new WaveInEventArgs(recordBuffer, recordBufferOffset));
recordBufferOffset = 0;
}
// if not silence...
if ((flags & AudioClientBufferFlags.Silent) != AudioClientBufferFlags.Silent)
{
Marshal.Copy(buffer, recordBuffer, recordBufferOffset, bytesAvailable);
}
else
{
Array.Clear(recordBuffer, recordBufferOffset, bytesAvailable);
}
recordBufferOffset += bytesAvailable;
capture.ReleaseBuffer(framesAvailable);
packetSize = capture.GetNextPacketSize();
}
DataAvailable?.Invoke(this, new WaveInEventArgs(recordBuffer, recordBufferOffset));
}