MODE_RW            50 libavfilter/f_perms.c         { "rw",     "set all output frames writable",   0, AV_OPT_TYPE_CONST, {.i64 = MODE_RW},         INT_MIN, INT_MAX, FLAGS, "mode" },
MODE_RW            90 libavfilter/f_perms.c     case MODE_RW:       out_perm = RW;                                      break;