public static Bitmap MFrame2Bitmap(ref MFFrame _mFrame, out M_VID_PROPS _vidProps)
{
// Clone frame to RGB32
MFFrame mFrame = _mFrame;
_mFrame.MFClone(out mFrame, eMFrameClone.eMFC_Reference, eMFCC.eMFCC_ARGB32);
// FrameVideoGetBytes(out cbPicture, out pbPicture);
int cbSize;
long pbVideo;
mFrame.MFVideoGetBytes(out cbSize, out pbVideo);
// Get Props from frame
int audioSample;
M_AV_PROPS avProps;
mFrame.MFAVPropsGet(out avProps, out audioSample);
// Create a bitmap from frame
Bitmap bmpPicture = new Bitmap(avProps.vidProps.nWidth, Math.Abs(avProps.vidProps.nHeight),
avProps.vidProps.nRowBytes,
System.Drawing.Imaging.PixelFormat.Format32bppRgb,
new IntPtr(pbVideo));
_vidProps = avProps.vidProps;
_mFrame = mFrame;
return(bmpPicture);
}
private void BodyAction(object sender)
{
try
{
flagIsOver = false;
MFFrame pFrame = (MFFrame)sender;
MFFrame clonedFrame;
pFrame.MFClone(out clonedFrame, eMFrameClone.eMFC_Video, eMFCC.eMFCC_ARGB32);
M_AV_PROPS avProps;
int audiosamples;
clonedFrame.MFAVPropsGet(out avProps, out audiosamples);
int cbPicture;
long pbPicture;
clonedFrame.MFVideoGetBytes(out cbPicture, out pbPicture);
int nRowBytes = avProps.vidProps.nRowBytes;
IntPtr ptr = new IntPtr(pbPicture);
Image bSource = new Bitmap(avProps.vidProps.nWidth, Math.Abs(avProps.vidProps.nHeight), nRowBytes,
PixelFormat.Format32bppRgb, ptr);
this.Invoke(new Action(() => MainPreview.SetSource(bSource)));
Marshal.ReleaseComObject(clonedFrame);
m_nFrameCounter++;
if (m_nFrameCounter == 10)
{
GC.Collect();
m_nFrameCounter = 0;
}
flagIsOver = true;
}
catch
{
flagIsOver = true;
}
}
public MFFrame DrawTextOnFrame(MFFrame mFrame, string text, int fontSize = 8)
{
if (fontSize < 0)
{
throw new ArgumentOutOfRangeException();
}
if (!string.IsNullOrEmpty(text))
{
MFFrame mFrameClone = null;
try
{
mFrame.MFClone(out mFrameClone, eMFrameClone.eMFC_Full, eMFCC.eMFCC_Default);
var overlay = Overlay;
mFrameClone.MFPrint(text, fontSize, ref overlay, eMFTextFlags.eMFT_WordBreaks, "");
Marshal.ReleaseComObject(mFrame);
return(mFrameClone);
}
catch
{
if (mFrameClone != null)
{
Marshal.ReleaseComObject(mFrameClone);
}
return(mFrame);
}
}
return(mFrame);
}
private void thread_DoWork(CancellationToken token)
{
while (!token.IsCancellationRequested)
{
MFFrame frame = null;
if (!decoder)
{
noSignalFrame.MFClone(out frame, eMFrameClone.eMFC_Full, eMFCC.eMFCC_Default);
m_objPreview.ReceiverFramePut(frame, -1, "");
}
if (decoder)
{
m_objLive.SourceFrameGet(-1, out frame, "");
m_objPreview.ReceiverFramePut(frame, -1, "");
}
if (frame != null)
{
Marshal.ReleaseComObject(frame);
}
}
}
private bool NextFrame()
{
if (m_objReader != null)
{
MFFrame frame = null;
MFFrame frameOver = null;
MFFrame frameClone = null;
M_AV_PROPS props;
m_objReader.SourceAVPropsGet(out props);
props.vidProps.eVideoFormat = eMVideoFormat.eMVF_HD1080_50i;
m_objReader.SourceFrameConvertedGet(ref props, -1, out frame, "");
if (start)
{
m_objReader.SourceFrameConvertedGet(ref props, 0, out frameOver, "");
//frame.MFOverlayRect(frameOver, null, ref overlayRect, eMFOverlayFlags.eMFOF_Crop, 1, "", "");
//frame.MFOverlay(frameOver, null, 10, 10, 1, "", "ch1");
}
frame.MFClone(out frameClone, eMFrameClone.eMFC_Reference, eMFCC.eMFCC_RGB24);
m_objPrev.ReceiverFramePut(frameClone, -1, "");
Marshal.ReleaseComObject(frame);
if (frameOver != null)
{
Marshal.ReleaseComObject(frameOver);
}
if (frameClone != null)
{
Marshal.ReleaseComObject(frameClone);
}
}
return(true);
}