private void PlayNextBuffer()
{
if (_currentBuffer == _maxBuffers)
{
return;
}
var newCurrentBuffer = Interlocked.Increment(ref _currentBuffer);
AudioBuffer buffer;
if (!_audioBuffers.TryGetValue(newCurrentBuffer, out buffer) || buffer == null)
{
return;
}
if (PreviousWorkItem.Volume != CurrentPlayWorkItem.Volume)
{
SourceVoice.SetVolume((float)CurrentPlayWorkItem.Volume, OperationId);
PreviousWorkItem.Volume = CurrentPlayWorkItem.Volume;
}
if (PreviousWorkItem.Pan != CurrentPlayWorkItem.Pan)
{
SourceVoice.SetPan(CurrentPlayWorkItem.Pan, OperationId);
PreviousWorkItem.Pan = CurrentPlayWorkItem.Pan;
}
if (PreviousWorkItem.Pitch != CurrentPlayWorkItem.Pitch)
{
SourceVoice.SetFrequencyRatio((float)CurrentPlayWorkItem.Pitch, OperationId);
PreviousWorkItem.Pitch = CurrentPlayWorkItem.Pitch;
}
SourceVoice.SubmitSourceBuffer(buffer, null);
AudioDefines.XAudio.CommitChanges(OperationId);
}