FM_FIXED          327 libavfilter/vf_fillborders.c     case FM_FIXED:  s->fillborders = s->depth <= 8 ? fixed_borders8  : fixed_borders16;  break;
FM_FIXED          372 libavfilter/vf_fillborders.c         { "fixed",  NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_FIXED},  0, 0, FLAGS, "mode" },