/// <summary>
/// driver buffer update callback to fill the wave buffer.
/// </summary>
/// <param name="inputChannels">The input channels.</param>
/// <param name="outputChannels">The output channels.</param>
void driver_BufferUpdate(IntPtr[] inputChannels, IntPtr[] outputChannels)
{
if (this.NumberOfOutputChannels > 0)
{
int read = sourceStream.Read(waveBuffer, 0, waveBuffer.Length);
if (read < waveBuffer.Length)
{
// we have stopped
}
// Call the convertor
unsafe
{
// TODO : check if it's better to lock the buffer at initialization?
fixed(void *pBuffer = &waveBuffer[0])
{
convertor(new IntPtr(pBuffer), outputChannels, NumberOfOutputChannels, nbSamples);
}
}
if (read == 0)
{
// do not call stop from inside, or the asioOut will not be disposed and never return error
// raising the auto stop from outside
RaisePlaybackStopped(null);
}
}
if (AudioAvailable != null)
{
var args = new MyAsioAudioAvailableEventArgs(inputChannels, outputChannels, nbSamples, driver.Capabilities.InputChannelInfos[0].type, driver.Capabilities.OutputChannelInfos[0].type);
AudioAvailable(this, args);
}
}
private void AudioAvailable(object sender, MyAsioAudioAvailableEventArgs e)
{
if (asioWriter != null)
{
var floatsamples = new float[e.SamplesPerBuffer * (desiredInputChannels.Length + desiredOutputChannels.Length)];
e.GetAsInterleavedCombinedSamples(floatsamples, desiredInputChannels, desiredOutputChannels);
asioWriter.WriteSamples(floatsamples, 0, floatsamples.Length);
asioWriter.Flush();
}
}