pullup_release_buffer  519 libavfilter/vf_pullup.c         pullup_release_buffer(f->ifields[i], f->parity ^ (i & 1));
pullup_release_buffer  521 libavfilter/vf_pullup.c     pullup_release_buffer(f->ofields[0], 0);
pullup_release_buffer  522 libavfilter/vf_pullup.c     pullup_release_buffer(f->ofields[1], 1);
pullup_release_buffer  525 libavfilter/vf_pullup.c         pullup_release_buffer(f->buffer, 2);
pullup_release_buffer  687 libavfilter/vf_pullup.c     pullup_release_buffer(b, 2);