MODE_FMT           85 libavfilter/f_graphmonitor.c         { "format",           NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FMT},     0, 0, VF, "flags" },
MODE_FMT          177 libavfilter/f_graphmonitor.c     if (s->flags & MODE_FMT) {