VAR_F             647 libavfilter/af_firequalizer.c         vars[VAR_F] = 0.0;
VAR_F             649 libavfilter/af_firequalizer.c             vars[VAR_F] = log2(0.05 * vars[VAR_F]);
VAR_F             653 libavfilter/af_firequalizer.c         vars[VAR_F] = 0.5 * inlink->sample_rate;
VAR_F             655 libavfilter/af_firequalizer.c             vars[VAR_F] = log2(0.05 * vars[VAR_F]);
VAR_F             660 libavfilter/af_firequalizer.c             vars[VAR_F] = k * ((double)inlink->sample_rate /(double)s->analysis_rdft_len);
VAR_F             662 libavfilter/af_firequalizer.c                 vars[VAR_F] = log2(0.05 * vars[VAR_F]);