av_videotoolbox_alloc_context_with_pix_fmt 1232 libavcodec/videotoolbox.c     return av_videotoolbox_alloc_context_with_pix_fmt(AV_PIX_FMT_NONE, false);
av_videotoolbox_alloc_context_with_pix_fmt 1244 libavcodec/videotoolbox.c     avctx->hwaccel_context = vtctx ?: av_videotoolbox_alloc_context_with_pix_fmt(pix_fmt, full_range);