MODE_OFF           45 libavfilter/vf_signature.c         OFFSET(mode),         AV_OPT_TYPE_INT,    {.i64 = MODE_OFF}, 0, NB_LOOKUP_MODE-1, FLAGS, "mode" },
MODE_OFF           46 libavfilter/vf_signature.c         { "off",  NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MODE_OFF},  0, 0, .flags = FLAGS, "mode" },
MODE_OFF          621 libavfilter/vf_signature.c     if (lookup && sic->mode != MODE_OFF) {