protected ulong GetSampleCount(AudioBuffer buffer)
 {
     return((ulong)BackendHelper.GetSampleCount(RequestedSampleFormat, (int)RequestedChannelCount, (int)buffer.DataSize));
 }
 protected ulong GetSampleCount(int dataSize)
 {
     return((ulong)BackendHelper.GetSampleCount(RequestedSampleFormat, (int)RequestedChannelCount, dataSize));
 }