private void InitializeInternal()
{
const int reftimesPerMillisecond = 10000;
_audioClient = AudioClient.FromMMDevice(Device);
_outputFormat = SetupWaveFormat(_source, _audioClient);
long latency = _latency * reftimesPerMillisecond;
AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED_TRY_AGAIN:
try
{
if (!_eventSync)
{
_audioClient.Initialize(_shareMode, AudioClientStreamFlags.None, latency, 0, _outputFormat,
Guid.Empty);
}
else //event sync
{
if (_shareMode == AudioClientShareMode.Exclusive) //exclusive
{
_audioClient.Initialize(_shareMode, AudioClientStreamFlags.StreamFlagsEventCallback, latency,
latency, _outputFormat, Guid.Empty);
}
else //shared
{
_audioClient.Initialize(_shareMode, AudioClientStreamFlags.StreamFlagsEventCallback, 0, 0,
_outputFormat, Guid.Empty);
//latency = (int)(_audioClient.StreamLatency / reftimesPerMillisecond);
}
}
}
catch (CoreAudioAPIException exception)
{
if (exception.ErrorCode == unchecked ((int)0x88890019)) //AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED
{
const long reftimesPerSec = 10000000;
int framesInBuffer = _audioClient.GetBufferSize();
// ReSharper disable once PossibleLossOfFraction
latency = (int)(reftimesPerSec * framesInBuffer / _outputFormat.SampleRate + 0.5);
goto AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED_TRY_AGAIN;
}
throw;
}
if (_audioClient.StreamLatency != 0) //windows 10 returns zero, got no idea why => https://github.com/filoe/cscore/issues/11
{
Latency = (int)(_audioClient.StreamLatency / reftimesPerMillisecond);
}
if (_eventSync)
{
_eventWaitHandle = new EventWaitHandle(false, EventResetMode.AutoReset);
_audioClient.SetEventHandle(_eventWaitHandle.SafeWaitHandle.DangerousGetHandle());
}
_renderClient = AudioRenderClient.FromAudioClient(_audioClient);
}
