From 0fe5dcd66041183c2ada3847b968c425f104b0c5 Mon Sep 17 00:00:00 2001 From: Ganesh Ajjanagadde Date: Thu, 29 Oct 2015 00:15:25 -0400 Subject: avfilter/avf_showvolume: use log10 instead of log()/M_LN10 This is likely more precise and conveys the intent better. Reviewed-by: Paul B Mahol Signed-off-by: Ganesh Ajjanagadde --- libavfilter/avf_showvolume.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavfilter/avf_showvolume.c') diff --git a/libavfilter/avf_showvolume.c b/libavfilter/avf_showvolume.c index 95b5388912..395375a40f 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); -- cgit v1.2.3