private void WorkerThread(object start)
{
if (BehaviorVector[(int)BehaviorVectorMask.DispatchOnWorkerThread])
{
_dispatchOnWorkerThread = true;
}
WaveInfo = ((Func <IWaveInfo>)start)();
var grabber = new Grabber(WaveInfo, _dispatchOnWorkerThread);
OnEnterWorkerThread();
try
{
var format = new WaveFormat(44100, 16, _device.Channels);
int bufferSize = (_device.Channels == 1 ? 8192 : 16384);
int buffers = 2;
Helper.Try(WindowsMultimedia.waveInOpen(out _wave, _device.Device, format, _bufferDelegate, 0, WindowsMultimedia.CALLBACK_FUNCTION));
AllocateAllBuffers(bufferSize, buffers);
Helper.Try(WindowsMultimedia.waveInStart(_wave));
//
if (_dispatchOnWorkerThread)
{
Dispatcher.Run();
//while (!WaitHandle.WaitAll(new WaitHandle[] { _stopSignal }, 10, true))
while (!_stopEvent.WaitOne(10, true))
{
AdvanceBuffer();
grabber.Buffer(_currentBuffer.Data, _currentBuffer.Size);
_currentBuffer.AddBuffer();
Dispatcher.Run();
}
Dispatcher.ExitAllFrames();
}
else
{
while (!_stopEvent.WaitOne(0, true))
{
AdvanceBuffer();
grabber.Buffer(_currentBuffer.Data, _currentBuffer.Size);
_currentBuffer.AddBuffer();
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
throw;
}
finally
{
// guaranteed exit
OnExitWorkerThread();
}
}
public Grabber(IWaveInfo waveInfo, bool dispatchOnWorkerThread)
{
_waveInfo = waveInfo;
_dispatchOnWorkerThread = dispatchOnWorkerThread;
}
