WFUNC_RECTANGULAR  123 libavfilter/af_firequalizer.c         { "rectangular", "rectangular window", 0, AV_OPT_TYPE_CONST, { .i64 = WFUNC_RECTANGULAR }, 0, 0, FLAGS, "wfunc" },
WFUNC_RECTANGULAR  678 libavfilter/af_firequalizer.c             case WFUNC_RECTANGULAR: