MODE_PC_N_UB      126 libavfilter/vf_fieldmatch.c         { "pc_n_ub", "2-way match + 3rd match on combed + 4th/5th matches if still combed (p/c + u + u/b)",  0, AV_OPT_TYPE_CONST, {.i64=MODE_PC_N_UB}, INT_MIN, INT_MAX, FLAGS, "mode" },
MODE_PC_N_UB      777 libavfilter/vf_fieldmatch.c         case MODE_PC_N_UB: