avfilter/af_volume: use log10 instead of log()/M_LN10

This is likely more precise and conveys the intent better.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2015-10-29 00:11:44 -04:00
parent 603d627457
commit 4d0d85c94a

View File

@ -279,7 +279,7 @@ static int set_volume(AVFilterContext *ctx)
av_log(ctx, AV_LOG_VERBOSE, "volume_i:%d/255 ", vol->volume_i);
}
av_log(ctx, AV_LOG_VERBOSE, "volume:%f volume_dB:%f\n",
vol->volume, 20.0*log(vol->volume)/M_LN10);
vol->volume, 20.0*log10(vol->volume));
volume_init(vol);
return 0;