F_LOG             142 libavfilter/avf_showspectrum.c         { "log",  "logarithmic", 0, AV_OPT_TYPE_CONST, {.i64=F_LOG},    0, 0, FLAGS, "fscale" },
F_LOG             994 libavfilter/avf_showspectrum.c     case F_LOG:    s->plot_channel = plot_channel_log; break;
F_LOG            1576 libavfilter/avf_showspectrum.c         { "log",  "logarithmic", 0, AV_OPT_TYPE_CONST, {.i64=F_LOG},    0, 0, FLAGS, "fscale" },