public override double Now()
{
double result = 0;
if (m_AudioQueue == null)
{
return(result);
}
AudioQueueTimeline timeline = m_AudioQueue.CreateTimeline();
AudioTimeStamp timestamp = new AudioTimeStamp();
bool t = false;
m_AudioQueue.GetCurrentTime(timeline, ref timestamp, ref t);
return(timestamp.SampleTime / m_SampleFormat.Rate * 1000);
}