On 10/29/15, Ganesh Ajjanagadde <gajjanaga...@gmail.com> wrote: > This is likely more precise and conveys the intent better. > > Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com> > --- > libavfilter/avf_showvolume.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavfilter/avf_showvolume.c b/libavfilter/avf_showvolume.c > index 95b5388..395375a 100644 > --- a/libavfilter/avf_showvolume.c > +++ b/libavfilter/avf_showvolume.c > @@ -197,7 +197,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame > *insamples) > max = FFMAX(max, src[i]); > > max = av_clipf(max, 0, 1); > - values[VAR_VOLUME] = 20.0 * log(max) / M_LN10; > + values[VAR_VOLUME] = 20.0 * log10(max); > values[VAR_CHANNEL] = c; > color = av_expr_eval(s->c_expr, values, NULL); > > -- > 2.6.2
Have you checked which one is faster? I really have no opinion on this but gain is neglible. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel