AS_CBRT            83 libavfilter/avf_showfreqs.c         { "cbrt", "cubic root",  0, AV_OPT_TYPE_CONST, {.i64=AS_CBRT},   0, 0, FLAGS, "ascale" },
AS_CBRT           293 libavfilter/avf_showfreqs.c     case AS_CBRT: