/// <summary>Read the stream's header information</summary>
/// <param name="aviStream">The IAVISTREAM to read from</param>
/// <returns>AVISTREAMINFO</returns>
private Avi.AVISTREAMINFO GetStreamInfo(IntPtr aviStream)
{
Avi.AVISTREAMINFO streamInfo = new Avi.AVISTREAMINFO();
int result = Avi.AVIStreamInfo(aviStream, ref streamInfo, Marshal.SizeOf(streamInfo));
if (result != 0)
{
throw new Exception("Exception in AVIStreamInfo: " + result);
}
return(streamInfo);
}