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authorGanesh Ajjanagadde <gajjanagadde@gmail.com>2015-10-29 00:15:25 -0400
committerGanesh Ajjanagadde <gajjanagadde@gmail.com>2015-10-29 19:10:49 -0400
commit0fe5dcd66041183c2ada3847b968c425f104b0c5 (patch)
treeb1b6dd35327b338ac89028f29b9149ca1e179a4c /libavfilter/avf_showvolume.c
parentb45daad2aa34d17e225e6449fd8cdaeba02ec2be (diff)
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 <onemda@gmail.com> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Diffstat (limited to 'libavfilter/avf_showvolume.c')
-rw-r--r--libavfilter/avf_showvolume.c2
1 files changed, 1 insertions, 1 deletions
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);