AS_LOG             80 libavfilter/avf_showfreqs.c     { "ascale", "set amplitude scale", OFFSET(ascale), AV_OPT_TYPE_INT, {.i64=AS_LOG}, 0, NB_ASCALES-1, FLAGS, "ascale" },
AS_LOG             84 libavfilter/avf_showfreqs.c         { "log",  "logarithmic", 0, AV_OPT_TYPE_CONST, {.i64=AS_LOG},    0, 0, FLAGS, "ascale" },
AS_LOG            296 libavfilter/avf_showfreqs.c     case AS_LOG: