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
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