/// <summary>Copy the stream into a new file</summary>
/// <param name="fileName">Name of the new file</param>
public override void ExportStream(String fileName)
{
Avi.AVICOMPRESSOPTIONS_CLASS opts = new Avi.AVICOMPRESSOPTIONS_CLASS();
opts.fccType = (uint)Avi.streamtypeVIDEO;
opts.lpParms = IntPtr.Zero;
opts.lpFormat = IntPtr.Zero;
IntPtr streamPointer = StreamPointer;
Avi.AVISaveOptions(IntPtr.Zero, Avi.ICMF_CHOOSE_KEYFRAME | Avi.ICMF_CHOOSE_DATARATE, 1, ref streamPointer, ref opts);
Avi.AVISaveOptionsFree(1, ref opts);
Avi.AVISaveV(fileName, 0, 0, 1, ref aviStream, ref opts);
}