logdb 119 libavfilter/af_volumedetect.c av_log(ctx, AV_LOG_INFO, "mean_volume: %.1f dB\n", -logdb(power)); logdb 125 libavfilter/af_volumedetect.c av_log(ctx, AV_LOG_INFO, "max_volume: %.1f dB\n", -logdb(max_volume * max_volume)); logdb 128 libavfilter/af_volumedetect.c histdb[(int)logdb((i - 0x8000) * (i - 0x8000))] += vd->histogram[i];