public unsafe WaveDuplex(int deviceIndex, double sampleRate, int framesPerBuffer, AudioBufferAvailableDelegate bufferNeededDelegate)
{
this._bufferAvailable = bufferNeededDelegate;
PaStreamParameters paStreamParameters = new PaStreamParameters
{
device = deviceIndex,
channelCount = 2,
suggestedLatency = 0.0,
sampleFormat = PaSampleFormat.PaFloat32
};
PaError paError = PortAudioAPI.Pa_IsFormatSupported(ref paStreamParameters, ref paStreamParameters, sampleRate);
if (paError != 0)
{
throw new ApplicationException(paError.ToString());
}
this._gcHandle = GCHandle.Alloc(this);
paError = PortAudioAPI.Pa_OpenStream(out this._streamHandle, ref paStreamParameters, ref paStreamParameters, sampleRate, (uint)framesPerBuffer, PaStreamFlags.PaNoFlag, this._paCallback, (IntPtr)this._gcHandle);
if (paError != 0)
{
this._gcHandle.Free();
throw new ApplicationException(paError.ToString());
}
paError = PortAudioAPI.Pa_StartStream(this._streamHandle);
if (paError == PaError.paNoError)
{
return;
}
PortAudioAPI.Pa_CloseStream(this._streamHandle);
this._gcHandle.Free();
throw new ApplicationException(paError.ToString());
}
public WaveRecorder(int deviceIndex, double sampleRate, int framesPerBuffer, AudioBufferAvailableDelegate bufferAvailable)
{
this._bufferAvailable = bufferAvailable;
PaStreamParameters inputParameters = new PaStreamParameters();
inputParameters.device = deviceIndex;
inputParameters.channelCount = 2;
inputParameters.suggestedLatency = 0.0;
inputParameters.sampleFormat = PaSampleFormat.PaFloat32;
PaError paError1 = PortAudioAPI.Pa_IsFormatSupported(ref inputParameters, IntPtr.Zero, sampleRate);
if (paError1 != PaError.paNoError)
throw new ApplicationException(paError1.ToString());
this._gcHandle = GCHandle.Alloc((object) this);
PaError paError2 = PortAudioAPI.Pa_OpenStream(out this._streamHandle, ref inputParameters, IntPtr.Zero, sampleRate, (uint) framesPerBuffer, PaStreamFlags.PaNoFlag, this._paCallback, (IntPtr) this._gcHandle);
if (paError2 != PaError.paNoError)
{
this._gcHandle.Free();
throw new ApplicationException(paError2.ToString());
}
PaError paError3 = PortAudioAPI.Pa_StartStream(this._streamHandle);
if (paError3 != PaError.paNoError)
{
int num = (int) PortAudioAPI.Pa_CloseStream(this._streamHandle);
this._gcHandle.Free();
throw new ApplicationException(paError3.ToString());
}
}
public WaveRecorder(int deviceIndex, double sampleRate, int framesPerBuffer, AudioBufferAvailableDelegate bufferAvailable)
{
_bufferAvailable = bufferAvailable;
var inputParams = new PaStreamParameters();
inputParams.device = deviceIndex;
inputParams.channelCount = 2;
inputParams.suggestedLatency = 0;
inputParams.sampleFormat = PaSampleFormat.PaFloat32;
var pe = PortAudioAPI.Pa_IsFormatSupported(ref inputParams, IntPtr.Zero, sampleRate);
if (pe != PaError.paNoError)
{
throw new ApplicationException(pe.ToString());
}
_gcHandle = GCHandle.Alloc(this);
pe = PortAudioAPI.Pa_OpenStream(
out _streamHandle,
ref inputParams,
IntPtr.Zero,
sampleRate,
(uint)framesPerBuffer,
PaStreamFlags.PaNoFlag,
_paCallback,
(IntPtr)_gcHandle);
if (pe != PaError.paNoError)
{
_gcHandle.Free();
throw new ApplicationException(pe.ToString());
}
pe = PortAudioAPI.Pa_StartStream(_streamHandle);
if (pe != PaError.paNoError)
{
PortAudioAPI.Pa_CloseStream(_streamHandle);
_gcHandle.Free();
throw new ApplicationException(pe.ToString());
}
}
public WaveRecorder(int deviceIndex, double sampleRate, int framesPerBuffer, AudioBufferAvailableDelegate bufferAvailable)
{
_bufferAvailable = bufferAvailable;
var inputParams = new PaStreamParameters();
inputParams.device = deviceIndex;
inputParams.channelCount = 2;
inputParams.suggestedLatency = 0;
inputParams.sampleFormat = PaSampleFormat.PaFloat32;
var pe = PortAudioAPI.Pa_IsFormatSupported(ref inputParams, IntPtr.Zero, sampleRate);
if (pe != PaError.paNoError)
{
throw new ApplicationException(pe.ToString());
}
_gcHandle = GCHandle.Alloc(this);
pe = PortAudioAPI.Pa_OpenStream(
out _streamHandle,
ref inputParams,
IntPtr.Zero,
sampleRate,
(uint) framesPerBuffer,
PaStreamFlags.PaNoFlag,
_paCallback,
(IntPtr) _gcHandle);
if (pe != PaError.paNoError)
{
_gcHandle.Free();
throw new ApplicationException(pe.ToString());
}
pe = PortAudioAPI.Pa_StartStream(_streamHandle);
if (pe != PaError.paNoError)
{
PortAudioAPI.Pa_CloseStream(_streamHandle);
_gcHandle.Free();
throw new ApplicationException(pe.ToString());
}
}
