byte[] GetAudioFrame()
{
if (bFirsTime)
{
Preferences.nQueueDeviceLength = (byte)(_cCard.nBufferMaxLength - 2);
}
_bNeedToAddFrame = true;
Frame.Audio cA = _AjaFramesAudioBuffer.Dequeue();
_AjaFramesAudioToDispose.Enqueue(cA);
return(cA.aFrameBytes.aBytes);
}
virtual public void TurnOn()
{
if (Preferences.bAudio)
{
_cFrameAudioEmpty = new Frame.Audio();
_cFrameAudioEmpty.aFrameBytes = new byte[Preferences.nAudioBytesPerFrame];
}
if (!Preferences.bDeviceInput)
{
_cVideoFrameEmpty = FrameBufferPrepare();
if (_cVideoFrameEmpty.oFrameBytes is IntPtr)
{
uint nBlack = 0x0;
for (int nIndx = 0; nIndx < _stArea.nWidth * _stArea.nHeight * 4; nIndx += 4)
Marshal.WriteInt32(_cVideoFrameEmpty.pFrameBytes, nIndx, (Int32)nBlack); //pixel format
}
_cFrameVideoLast = _cVideoFrameEmpty;
while (Preferences.nQueueBaetylusLength + 2 > _aFrames.Count)
AddNewFrameToConveyor("! from TurnOn !");
_cThread = new System.Threading.Thread(FrameScheduleWorker);
_cThread.Priority = System.Threading.ThreadPriority.Highest;
_cThread.Start();
_cBugCatcherOnFrameGet = new BugCatcher(_cVideoFrameEmpty); // bug
_cBugCatcherOnVideoFrameReturn = new BugCatcher(_cVideoFrameEmpty); // bug
_cBugCatcherOnVideoFramePrepare = new BugCatcher(_cVideoFrameEmpty); // bug
_cBugCatcherScheduleFrame = new BugCatcher(_cVideoFrameEmpty); // bug
//System.Threading.ThreadPool.QueueUserWorkItem(FrameScheduleWorker);
}
}