filter_slice_rgba16_packed  383 libavfilter/vf_colorchannelmixer.c     return filter_slice_rgba16_packed(ctx, arg, jobnr, nb_jobs, 1, 4);
filter_slice_rgba16_packed  388 libavfilter/vf_colorchannelmixer.c     return filter_slice_rgba16_packed(ctx, arg, jobnr, nb_jobs, 0, 3);