private IntPtr CreateCompressedStream(IntPtr stream)
{
Avi.AVICOMPRESSOPTIONS_CLASS options =
new Avi.AVICOMPRESSOPTIONS_CLASS();
options.fccType = (uint)Avi.StreamtypeVIDEO;
options.lpParms = IntPtr.Zero;
options.lpFormat = IntPtr.Zero;
//display the compression options dialog
Avi.AVISaveOptions(
IntPtr.Zero,
Avi.ICMF_CHOOSE_KEYFRAME | Avi.ICMF_CHOOSE_DATARATE,
1, ref aviStream, ref options);
options.dwQuality = 10000;
//Avi.AVISaveOptionsFree(1, ref options);
//get a compressed stream
IntPtr compressedStream = IntPtr.Zero;
Avi.AVICOMPRESSOPTIONS structOptions =
options.ToStruct();
int result = Avi.AVIMakeCompressedStream(
out compressedStream,
stream,
ref structOptions, 0);
return(compressedStream);
}