MODE_PC_N         122 libavfilter/vf_fieldmatch.c     { "mode", "set the matching mode or strategy to use", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=MODE_PC_N}, MODE_PC, NB_MODE-1, FLAGS, "mode" },
MODE_PC_N         124 libavfilter/vf_fieldmatch.c         { "pc_n",    "2-way match + 3rd match on combed (p/c + u)",                                          0, AV_OPT_TYPE_CONST, {.i64=MODE_PC_N},    INT_MIN, INT_MAX, FLAGS, "mode" },
MODE_PC_N         771 libavfilter/vf_fieldmatch.c         case MODE_PC_N: