set_category( CAT_VIDEO );
set_subcategory( SUBCAT_VIDEO_VFILTER2 );
set_callbacks( OpenFilter, CloseFilter );
add_string( "opencv-haarcascade-file", "c:\\haarcascade_frontalface_alt.xml", NULL,
set_category( CAT_VIDEO );
set_subcategory( SUBCAT_VIDEO_VFILTER2 );
set_callbacks( OpenFilter, CloseFilter );
add_string( "opencv-haarcascade-file", "c:\\haarcascade_frontalface_alt.xml", NULL,