get_log_hz 753 libavfilter/avf_showspectrum.c float bin = s->fscale == F_LINEAR ? y : get_log_hz(y, h, inlink->sample_rate); get_log_hz 811 libavfilter/avf_showspectrum.c float bin = s->fscale == F_LINEAR ? x : get_log_hz(x, w, inlink->sample_rate);