private void CreateSourceVoice(XAudio2 device, SharpDX.Multimedia.WaveFormat sourceFormat, SharpDX.XAudio2.VoiceFlags flags, float maxFrequencyRatio, VoiceCallback callback, EffectDescriptor[] effectDescriptors)
{
var waveformatPtr = WaveFormat.MarshalToPtr(sourceFormat);
try
{
if (effectDescriptors != null)
{
unsafe
{
var tempSendDescriptor = new EffectChain();
var effectDescriptorNatives = new EffectDescriptor.__Native[effectDescriptors.Length];
for (int i = 0; i < effectDescriptorNatives.Length; i++)
{
effectDescriptors[i].__MarshalTo(ref effectDescriptorNatives[i]);
}
tempSendDescriptor.EffectCount = effectDescriptorNatives.Length;
fixed(void *pEffectDescriptors = &effectDescriptorNatives[0])
{
tempSendDescriptor.EffectDescriptorPointer = (IntPtr)pEffectDescriptors;
device.CreateSourceVoice(this, waveformatPtr, flags, maxFrequencyRatio, callback, null, tempSendDescriptor);
}
}
}
else
{
device.CreateSourceVoice(this, waveformatPtr, flags, maxFrequencyRatio, callback, null, null);
}
}
finally
{
Marshal.FreeHGlobal(waveformatPtr);
}
}