public void start()
{
var device = paLibrary.DefaultOutputDevice;
var outputParameters = new PaStreamParameters()
{
device = device,
channelCount = 1,
sampleFormat = PaSampleFormat.paFloat32,
suggestedLatency = paLibrary.GetDeviceInfo(device).Value.defaultLowOutputLatency,
hostApiSpecificStreamInfo = IntPtr.Zero
};
osc = 0;
stream = paLibrary.OpenStream(
null, outputParameters, SampleRate, 512, PaStreamFlags.paNoFlag,
SineCallback, IntPtr.Zero);
stream.StartStream();
}
public void stop()
{
stream.StopStream();
stream.Dispose();
stream = null;
}
public static extern IntPtr Pa_GetStreamInfo(PaStream* stream);
public static PaStreamInfo Pa_GetStreamInfo(PaStream* stream)
{
IntPtr ptr = NativeMethods.Pa_GetStreamInfo(stream);
PaStreamInfo info = (PaStreamInfo) Marshal.PtrToStructure(ptr, typeof(PaStreamInfo));
return info;
}