MODE_PCN_UB 126 libavfilter/vf_fieldmatch.c { "pcn_ub", "3-way match + 4th/5th matches on combed (p/c/n + u/b)", 0, AV_OPT_TYPE_CONST, {.i64=MODE_PCN_UB}, INT_MIN, INT_MAX, FLAGS, "mode" }, MODE_PCN_UB 735 libavfilter/vf_fieldmatch.c if (fm->mode == MODE_PCN || fm->mode == MODE_PCN_UB) MODE_PCN_UB 775 libavfilter/vf_fieldmatch.c case MODE_PCN_UB: