TOP_FIRST          58 libavfilter/vf_phase.c     CONST("t", "top first",            TOP_FIRST,            "mode"),
TOP_FIRST         128 libavfilter/vf_phase.c                TOP_FIRST : BOTTOM_FIRST : PROGRESSIVE;
TOP_FIRST         230 libavfilter/vf_phase.c             mode = TOP_FIRST;
TOP_FIRST         237 libavfilter/vf_phase.c            mode == BOTTOM_FIRST ? 'b' : mode == TOP_FIRST ? 't' : 'p',
TOP_FIRST         280 libavfilter/vf_phase.c             memcpy(to, mode == (top ? BOTTOM_FIRST : TOP_FIRST) ? buf : from, s->linesize[plane]);