CIRCLECLOSE       170 libavfilter/vf_xfade.c     {   "circleclose","circleclose transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLECLOSE},0, 0, FLAGS, "transition" },
CIRCLECLOSE      1413 libavfilter/vf_xfade.c     case CIRCLECLOSE:s->transitionf = s->depth <= 8 ? circleclose8_transition: circleclose16_transition;break;