public void CopyIn(IntPtr pSource, uint nBytesQty)
{
if (1 > nBytesQty)
throw new Exception("bytes qty must be more than zero");
#if CUDA
if (bCUDA)
{
Command cCmd = new Command(Command.ID.CopyIn, this);
cCmd.ahParameters.Add(typeof(IntPtr), pSource);
_nBytesQty = nBytesQty;
_aqCommands.Enqueue(cCmd);
cCmd.cMRE.WaitOne();
if (null != _cException)
throw _cException;
if (_nID == 0)
(new Logger()).WriteError(new Exception("got 0 in id after copy in"));
return;
}
#endif
Logger.Timings cTimings = new Logger.Timings("btl:pixelsmap:copyin:");
if (null == _aBytes)
Allocate();
cTimings.Restart("allocate");
Marshal.Copy(pSource, _aBytes, 0, (int)nBytesQty);
cTimings.Stop("copyin > 40ms", "marshal_copy", 40);
}
public PixelsMap FrameNextVideo()
{
Logger.Timings cTimings = new Logger.Timings("btl:video:file");
try
{
_cPixelsMap.Move(stArea.nLeft, stArea.nTop); // были проблемы в транзишене. т.к. PM многоразовый, то кто-то его мог мувнуть (плейлист) и на место не класть.
ffmpeg.net.Frame cFrame = _cFile.FrameNextVideoGet(); //_cFormatVideo,
cTimings.Restart("ffmpeg_framenext");
if (null != cFrame)
{
int nOffset = 0;
if (720 == _cFormatVideo.nWidth && 576 == _cFormatVideo.nHeight) // инверси¤ полей нужна только на sd
nOffset = _cFormatVideo.nWidth * _cFormatVideo.nBitsPerPixel / 8;
_cPixelsMap.CopyIn(cFrame.pBytes + nOffset, cFrame.nLength - nOffset); // сдвигаем фрейм на строчку вверх (это если не HD, а PAL)
cTimings.Restart("copy_in");
cFrame.Dispose();
cTimings.Restart("dispose");
//GC.Collect(1, GCCollectionMode.Forced); // худший вариант был
GC.Collect(GC.MaxGeneration, GCCollectionMode.Optimized); // этот лучший был
//GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced); // гипотеза (“ј и оказалось!!!!) - т.к. сборка спонтанна¤ высвобождает сразу много мусора и и лочит этим copyin и вышибает пробки у Ѕлэкћэджика
cTimings.Restart("GCcollect");
nFrameCurrentVideo++;
}
else if (bEOF)
return null;
cTimings.Stop("framenext > 20ms","eof_getting", 20);
return _cPixelsMap;
}
catch (Exception ex)
{
(new Logger()).WriteError(ex);
}
return null;
}
override public PixelsMap FrameNextVideo()
{
Logger.Timings cTimings = new Logger.Timings("btl:video");
PixelsMap cRetVal = _cFile.FrameNextVideo();
cTimings.Restart("file_nextframe");
ulong nDuration = this.nDuration;
nDuration = nDuration < _cFile.nFramesTotal ? nDuration : _cFile.nFramesTotal;
if ((null == cRetVal && _cFile.bEOF) || (nFrameCurrentVideo >= nDuration && (nFrameCurrentAudio >= nDuration || nFrameCurrentAudio == 0)))
{
if (_cFile.bEOF && (nFrameCurrentVideo != nDuration || nFrameCurrentAudio != nDuration))
(new Logger()).WriteWarning("video has been stopped abnormal [hc:" + GetHashCode() + "] [duration: " + nDuration + "] [current_video: " + _cFile.nFrameCurrentVideo + "] [current_audio: " + _cFile.nFrameCurrentAudio + "]");
(new Logger()).WriteDebug3("FrameNextVideo(): video stopped [hc:" + GetHashCode() + "]" + "[frames total:" + _cFile.nFramesTotal + "]" + "[nFrameCurrentVideo:" + _cFile.nFrameCurrentVideo + "]" + "[nFrameCurrentAudio:" + _cFile.nFrameCurrentAudio + "][eof: " + _cFile.bEOF + "]");
Stop();
}
(new Logger()).WriteDebug4("video returns a frame [hc:" + GetHashCode() + "]");
cTimings.Stop("video:framenext > 40ms", "eof_getting and dur_getting", 40);
return cRetVal;
}
public void Close()
{
if (_bClosed)
{
(new Logger()).WriteDebug3("in - already closed " + GetHashCode());
return;
}
_bClosed = true;
(new Logger()).WriteDebug3("in " + GetHashCode());
Logger.Timings cTimings = new Logger.Timings("video:file:");
if (null != _cPixelsMap)
Baetylus.PixelsMapDispose(_cPixelsMap, true);
_aAudioMap = null;
cTimings.Restart("pm disposing");
new System.Threading.Thread(() =>
{
System.Threading.Thread.CurrentThread.IsBackground = true;
if (null != _cFile)
_cFile.Dispose();
}).Start();
cTimings.Stop("close > 20", "file disposing", 20);
(new Logger()).WriteDebug4("out");
}
