private unsafe static PaStreamCallbackResult PaStreamCallback(float *input, float *output, uint frameCount, ref PaStreamCallbackTimeInfo timeInfo, PaStreamCallbackFlags statusFlags, IntPtr userData)
{
GCHandle gCHandle = GCHandle.FromIntPtr(userData);
if (!gCHandle.IsAllocated)
{
return(PaStreamCallbackResult.PaAbort);
}
WavePlayer wavePlayer = (WavePlayer)gCHandle.Target;
try
{
if (wavePlayer._bufferNeeded != null)
{
wavePlayer._bufferNeeded(output, (int)frameCount);
}
}
catch
{
return(PaStreamCallbackResult.PaAbort);
}
return(PaStreamCallbackResult.PaContinue);
}
public void Stop()
{
if (this._inputType == StreamControl.InputType.Plugin && this._frontend != null)
{
this._frontend.Stop();
this._frontend = (IFrontendController) null;
}
if (this._wavePlayer != null)
{
this._wavePlayer.Dispose();
this._wavePlayer = (WavePlayer) null;
}
if (this._waveRecorder != null)
{
this._waveRecorder.Dispose();
this._waveRecorder = (WaveRecorder) null;
}
if (this._waveDuplex != null)
{
this._waveDuplex.Dispose();
this._waveDuplex = (WaveDuplex) null;
}
this._inputSampleRate = 0.0;
if (this._iqStream != null)
this._iqStream.Close();
if (this._waveReadThread != null)
{
this._waveReadThread.Join();
this._waveReadThread = (Thread) null;
}
if (this._audioStream != null)
this._audioStream.Close();
if (this._dspThread != null)
{
this._dspThread.Join();
this._dspThread = (Thread) null;
}
if (this._waveFile != null)
{
this._waveFile.Dispose();
this._waveFile = (WaveFile) null;
}
if (this._iqStream != null)
{
this._iqStream.Dispose();
this._iqStream = (ComplexFifoStream) null;
}
this._audioStream = (FloatFifoStream) null;
this._dspOutBuffer = (UnsafeBuffer) null;
this._iqInBuffer = (UnsafeBuffer) null;
}
public void Play()
{
if (this._wavePlayer != null || this._waveDuplex != null)
return;
switch (this._inputType)
{
case StreamControl.InputType.SoundCard:
if (this._inputDevice == this._outputDevice)
{
this._waveDuplex = new WaveDuplex(this._inputDevice, this._inputSampleRate, this._inputBufferSize, new AudioBufferAvailableDelegate(this.DuplexFiller));
break;
}
this._iqStream = new ComplexFifoStream(BlockMode.BlockingRead);
this._audioStream = new FloatFifoStream(BlockMode.BlockingWrite, this._outputBufferSize);
this._waveRecorder = new WaveRecorder(this._inputDevice, this._inputSampleRate, this._inputBufferSize, new AudioBufferAvailableDelegate(this.RecorderFiller));
this._wavePlayer = new WavePlayer(this._outputDevice, this._outputSampleRate, this._outputBufferSize / 2, new AudioBufferNeededDelegate(this.PlayerFiller));
this._dspThread = new Thread(new ThreadStart(this.DSPProc));
this._dspThread.Start();
break;
case StreamControl.InputType.Plugin:
this._iqStream = new ComplexFifoStream(BlockMode.BlockingReadWrite, this._inputBufferSize * 4);
this._audioStream = new FloatFifoStream(BlockMode.BlockingWrite, this._outputBufferSize);
this._wavePlayer = new WavePlayer(this._outputDevice, this._outputSampleRate, this._outputBufferSize / 2, new AudioBufferNeededDelegate(this.PlayerFiller));
this._frontend.Start(new SamplesAvailableDelegate(this.FrontendFiller));
this._dspThread = new Thread(new ThreadStart(this.DSPProc));
this._dspThread.Start();
break;
case StreamControl.InputType.WaveFile:
this._iqStream = new ComplexFifoStream(BlockMode.BlockingReadWrite, this._inputBufferSize * 4);
this._audioStream = new FloatFifoStream(BlockMode.BlockingWrite, this._outputBufferSize);
this._wavePlayer = new WavePlayer(this._outputDevice, this._outputSampleRate, this._outputBufferSize / 2, new AudioBufferNeededDelegate(this.PlayerFiller));
this._waveReadThread = new Thread(new ThreadStart(this.WaveFileFiller));
this._waveReadThread.Start();
this._dspThread = new Thread(new ThreadStart(this.DSPProc));
this._dspThread.Start();
break;
}
}
public void Play()
{
if (_wavePlayer != null || _waveDuplex != null)
{
return;
}
#region Stream Hooks
if (_streamHookManager != null)
{
_streamHookManager.InitStreams(_inputBufferSize, _outputBufferSize);
if (_streamHookManager.HaveIqObservers)
{
_streamHookManager.StartIQObserverThread(_inputBufferSize);
}
_streamHookManager.OutputSampleRate = _outputSampleRate;
_streamHookManager.InputSampleRate = _inputSampleRate;
}
#endregion
switch (_inputType)
{
case InputType.SoundCard:
if (_inputDevice == _outputDevice)
{
_waveDuplex = new WaveDuplex(_inputDevice, _inputSampleRate, _inputBufferSize, DuplexFiller);
}
else
{
_iqStream = new ComplexFifoStream(BlockMode.BlockingRead);
_audioStream = _streamHookManager == null ? new FloatFifoStream(BlockMode.BlockingWrite, _outputBufferSize) : _streamHookManager.FirstAudioStream;
_waveRecorder = new WaveRecorder(_inputDevice, _inputSampleRate, _inputBufferSize, RecorderFiller);
_wavePlayer = new WavePlayer(_outputDevice, _outputSampleRate, _outputBufferSize / 2, PlayerFiller);
_dspThread = new Thread(DSPProc);
_dspThread.Start();
}
break;
case InputType.WaveFile:
_iqStream = new ComplexFifoStream(BlockMode.BlockingRead);
_audioStream = _streamHookManager == null ? new FloatFifoStream(BlockMode.BlockingWrite, _outputBufferSize) : _streamHookManager.FirstAudioStream;
_wavePlayer = new WavePlayer(_outputDevice, _outputSampleRate, _outputBufferSize / 2, PlayerFiller);
_waveReadThread = new Thread(WaveFileFiller);
_waveReadThread.Start();
_dspThread = new Thread(DSPProc);
_dspThread.Start();
break;
case InputType.Plugin:
_iqStream = new ComplexFifoStream(BlockMode.BlockingRead);
_audioStream = _streamHookManager == null ? new FloatFifoStream(BlockMode.BlockingWrite, _outputBufferSize) : _streamHookManager.FirstAudioStream;
_wavePlayer = new WavePlayer(_outputDevice, _outputSampleRate, _outputBufferSize / 2, PlayerFiller);
_frontend.Start(FrontendFiller);
_dspThread = new Thread(DSPProc);
_dspThread.Start();
break;
}
if (_streamHookManager != null)
{
_streamHookManager.Start();
}
}
public void Stop()
{
if (_inputType == InputType.Plugin && _frontend != null)
{
_frontend.Stop();
_frontend = null;
}
if (_wavePlayer != null)
{
_wavePlayer.Dispose();
_wavePlayer = null;
}
if (_waveRecorder != null)
{
_waveRecorder.Dispose();
_waveRecorder = null;
}
if (_waveDuplex != null)
{
_waveDuplex.Dispose();
_waveDuplex = null;
}
_inputSampleRate = 0;
if (_waveReadThread != null)
{
_waveReadThread.Join();
_waveReadThread = null;
}
if (_iqStream != null)
{
_iqStream.Close();
}
if (_audioStream != null)
{
_audioStream.Close();
}
if (_streamHookManager != null)
{
_streamHookManager.CloseStreams();
_streamHookManager.Stop();
}
if (_dspThread != null)
{
_dspThread.Join();
_dspThread = null;
}
if (_streamHookManager != null)
{
_streamHookManager.StopIQObserverThread();
}
if (_waveFile != null)
{
_waveFile.Dispose();
_waveFile = null;
}
if (_iqStream != null)
{
_iqStream.Dispose();
_iqStream = null;
}
if (_streamHookManager != null)
{
_streamHookManager.DisposeStreams();
}
_audioStream = null;
_dspOutBuffer = null;
_iqInBuffer = null;
}
public void Play()
{
if (_wavePlayer != null || _waveDuplex != null)
{
return;
}
switch (_inputType)
{
case InputType.SoundCard:
if (_inputDevice == _outputDevice)
{
_waveDuplex = new WaveDuplex(_inputDevice, _inputSampleRate, _inputBufferSize, DuplexFiller);
}
else
{
_iqStream = new ComplexFifoStream(BlockMode.BlockingRead);
_audioStream = new FloatFifoStream(BlockMode.BlockingWrite, _outputBufferSize);
_waveRecorder = new WaveRecorder(_inputDevice, _inputSampleRate, _inputBufferSize, RecorderFiller);
_wavePlayer = new WavePlayer(_outputDevice, _outputSampleRate, _outputBufferSize / 2, PlayerFiller);
_dspThread = new Thread(DSPProc);
_dspThread.Start();
}
break;
case InputType.WaveFile:
_iqStream = new ComplexFifoStream(BlockMode.BlockingRead);
_audioStream = new FloatFifoStream(BlockMode.BlockingWrite, _outputBufferSize);
_wavePlayer = new WavePlayer(_outputDevice, _outputSampleRate, _outputBufferSize / 2, PlayerFiller);
_waveReadThread = new Thread(WaveFileFiller);
_waveReadThread.Start();
_dspThread = new Thread(DSPProc);
_dspThread.Start();
break;
case InputType.Plugin:
_iqStream = new ComplexFifoStream(BlockMode.BlockingRead);
_audioStream = new FloatFifoStream(BlockMode.BlockingWrite, _outputBufferSize);
_wavePlayer = new WavePlayer(_outputDevice, _outputSampleRate, _outputBufferSize / 2, PlayerFiller);
_frontend.Start(FrontendFiller);
_dspThread = new Thread(DSPProc);
_dspThread.Start();
break;
}
}