BOTTOM_FIRST       59 libavfilter/vf_phase.c     CONST("b", "bottom first",         BOTTOM_FIRST,         "mode"),
BOTTOM_FIRST      128 libavfilter/vf_phase.c                TOP_FIRST : BOTTOM_FIRST : PROGRESSIVE;
BOTTOM_FIRST      134 libavfilter/vf_phase.c     if (mode <= BOTTOM_FIRST) {
BOTTOM_FIRST      228 libavfilter/vf_phase.c             mode = BOTTOM_FIRST;
BOTTOM_FIRST      237 libavfilter/vf_phase.c            mode == BOTTOM_FIRST ? 'b' : mode == TOP_FIRST ? 't' : 'p',
BOTTOM_FIRST      280 libavfilter/vf_phase.c             memcpy(to, mode == (top ? BOTTOM_FIRST : TOP_FIRST) ? buf : from, s->linesize[plane]);