POLAR              84 libavfilter/avf_avectorscope.c     { "polar",        "", 0, AV_OPT_TYPE_CONST, {.i64=POLAR},        0, 0, FLAGS, "mode" },
POLAR             229 libavfilter/avf_avectorscope.c     s->prev_y = s->hh = s->mode == POLAR ? s->h - 1 : s->h / 2;