filter_slice_rgba_planar  224 libavfilter/vf_colorchannelmixer.c     return filter_slice_rgba_planar(ctx, arg, jobnr, nb_jobs, 0);
filter_slice_rgba_planar  229 libavfilter/vf_colorchannelmixer.c     return filter_slice_rgba_planar(ctx, arg, jobnr, nb_jobs, 1);