private static extern int AVIStreamSetFormat(IntPtr aviStream, Int32 lPos, ref BITMAPINFOHEADER lpFormat, Int32 cbFormat);
private static extern int AVIStreamGetFrameOpen(IntPtr pAVIStream, ref BITMAPINFOHEADER bih);
unsafe private void SetOptions()
{
AVICOMPRESSOPTIONS opts = new AVICOMPRESSOPTIONS
{
fccType = fccType_,
fccHandler = 0, // 541215044;//fccHandler_;
dwKeyFrameEvery = 0,
dwQuality = 0, // 0 .. 10000
dwFlags = 8, // AVICOMRPESSF_KEYFRAMES = 4
dwBytesPerSecond = 0,
lpFormat = new IntPtr(0),
cbFormat = 0,
lpParms = new IntPtr(0),
cbParms = 0,
dwInterleaveEvery = 0
};
AVICOMPRESSOPTIONS * p = &opts;
AVICOMPRESSOPTIONS **pp = &p;
IntPtr x = ps_;
IntPtr *ptr_ps = &x;
// AVISaveOptions(0,1,1,ptr_ps,pp);
// ps_ = (System.IntPtr) 3798676;
// TODO: AVISaveOptionsFree(...)
int hr = AVIMakeCompressedStream(out psCompressed_, ps_, ref opts, 0);
if (hr != 0)
{
//throw new AviException("AVIMakeCompressedStream");
AVISaveOptions(0, 1, 1, ptr_ps, pp);
hr = AVIMakeCompressedStream(out psCompressed_, ps_, ref opts, 0);
if (hr != 0)
{
throw new Exception("AVIMakeCompressedStream");
}
}
BITMAPINFOHEADER bi = new BITMAPINFOHEADER
{
biSize = 40,
biWidth = (Int32)width_,
biHeight = (Int32)height_,
biPlanes = 1,
biBitCount = 24,
biCompression = 0, // 0 = BI_RGB
biSizeImage = stride_ * height_,
biXPelsPerMeter = 0,
biYPelsPerMeter = 0,
biClrUsed = 0,
biClrImportant = 0
};
hr = AVIStreamSetFormat(psCompressed_, 0, ref bi, 40);
if (hr != 0)
{
throw new Exception("AVIStreamSetFormat");
}
}