vt_release_num    852 libavcodec/videotoolboxenc.c     vt_release_num(&cv_color_format_num);
vt_release_num    862 libavcodec/videotoolboxenc.c     vt_release_num(&width_num);
vt_release_num    872 libavcodec/videotoolboxenc.c     vt_release_num(&height_num);
vt_release_num    880 libavcodec/videotoolboxenc.c     vt_release_num(&cv_color_format_num);
vt_release_num    881 libavcodec/videotoolboxenc.c     vt_release_num(&width_num);
vt_release_num    882 libavcodec/videotoolboxenc.c     vt_release_num(&height_num);