public void Reset()
{
//Init a new VAD state in the existing space
if (WebRtcVadNativeMethods.Dissonance_WebRtcVad_Init(_handle) != 0)
{
throw new WebRtcVadException(Log.PossibleBugMessage("Failed to re-initialize WebRTC VAD", "4A2E754F-5031-476C-A6FA-C0F883832806"));
}
}
public void Dispose()
{
if (_disposed)
{
return;
}
GC.SuppressFinalize(this);
if (_handle != IntPtr.Zero)
{
WebRtcVadNativeMethods.Dissonance_WebRtcVad_Free(_handle);
_handle = IntPtr.Zero;
}
_disposed = true;
}
public bool Process(ArraySegment <short> frame)
{
if (frame.Count != _frameSize)
{
throw Log.CreatePossibleBugException(string.Format("Frame is incorrect size (expected {0} for {1})", _frameSize, frame.Count), "716C8CBD-8014-4C57-889C-0450ECF96A0F");
}
using (var pin = frame.Pin())
{
var result = WebRtcVadNativeMethods.Dissonance_WebRtcVad_Process(_handle, _sampleRate, pin.Ptr, new UIntPtr((uint)frame.Count));
if (result == -1)
{
throw Log.CreatePossibleBugException("Unknown error processing audio", "9BBD8BB1-B08D-4F34-AFF2-AAF32F69C309");
}
return(result == 1);
}
}
public VAD(uint frameSize, int sampleRate, Aggressiveness mode = Aggressiveness.Normal)
{
_frameSize = frameSize;
_sampleRate = sampleRate;
if (!IsValidUsage(sampleRate, frameSize))
{
throw new WebRtcVadException(Log.PossibleBugMessage("Failed to initialize WebRTC VAD (incorrect frame size or sample rate)", "E74CF7D3-51C0-4240-B552-02EB58EAE34D"));
}
//Create handle
_handle = WebRtcVadNativeMethods.Dissonance_WebRtcVad_Create();
if (WebRtcVadNativeMethods.Dissonance_WebRtcVad_Init(_handle) != 0)
{
throw new WebRtcVadException(Log.PossibleBugMessage("Failed to initialize WebRTC VAD", "87596AD8-9096-4FEB-867D-B23A1A7F7F91"));
}
//Initialize defaults
Mode = mode;
}
private static bool IsValidUsage(int sampleRate, uint frameLength)
{
return(WebRtcVadNativeMethods.Dissonance_WebRtcVad_ValidRateAndFrameLength(sampleRate, new UIntPtr(frameLength)) == 0);
}
