AV_PIX_FMT_VIDEOTOOLBOX  253 libavutil/hwcontext_videotoolbox.c     .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_VIDEOTOOLBOX, AV_PIX_FMT_NONE },
AV_PIX_FMT_VIDEOTOOLBOX  282 libavutil/pixfmt.h     AV_PIX_FMT_VIDEOTOOLBOX, ///< hardware decoding through Videotoolbox