private IntPtr GetHBitmapCore(double position)
{
MFrame mFrame = null;
_mfileObj.FileFrameGet(position, 0.0, out mFrame);
M_AV_PROPS m_AV_PROPS = default(M_AV_PROPS);
mFrame.FrameAVPropsGet(out m_AV_PROPS);
m_AV_PROPS.vidProps.nWidth = m_AV_PROPS.vidProps.nWidth / 5;
m_AV_PROPS.vidProps.nHeight = m_AV_PROPS.vidProps.nHeight / 5;
m_AV_PROPS.vidProps.nRowBytes = m_AV_PROPS.vidProps.nRowBytes / 5;
MFrame mFrame2 = null;
mFrame.FrameConvert(ref m_AV_PROPS.vidProps, out mFrame2, string.Empty);
long value = 0L;
mFrame2.FrameVideoGetHbitmap(out value);
Marshal.ReleaseComObject(mFrame);
Marshal.ReleaseComObject(mFrame2);
mFrame2 = null;
mFrame = null;
return(new System.IntPtr(value));
}
private IntPtr GetMediaFileInfoInternal(string filePath, out double dblDuration)
{
IntPtr hBitmap = IntPtr.Zero;
dblDuration = 0;
if (_mfileObj != null)
{
try
{
_mfileObj.FileNameSet(filePath, string.Empty);
_mfileObj.ObjectStart(null);
double dblIn, dblOut;
try
{
_mfileObj.FileInOutGet(out dblIn, out dblOut, out dblDuration);
if (dblDuration > 0)
{
MFrame mFrame = null;
_mfileObj.FileFrameGet(dblDuration / 2.0, 0.0, out mFrame);
long value = 0L;
mFrame.FrameVideoGetHbitmap(out value);
Marshal.ReleaseComObject(mFrame);
mFrame = null;
hBitmap = new System.IntPtr(value);
}
}
finally
{
_mfileObj.ObjectClose();
}
}
catch
{
hBitmap = IntPtr.Zero;
}
}
return(hBitmap);
}