avfilter/avf_showwaves: remove invalid multiplication by 2

Fixes output of average filter.
3 years ago · c1c7f2b61f
parent ad88cce3f8
commit c1c7f2b61f
1 changed files with 1 additions and 1 deletions
--- a/libavfilter/avf_showwaves.c
+++ b/libavfilter/avf_showwaves.c
@ -600,7 +600,7 @@ static int push_single_pic(AVFilterLink *outlink)
            switch (showwaves->filter_mode) {
            case FILTER_AVERAGE:
                for (ch = 0; ch < nb_channels; ch++)
-                    sum[ch] += abs(p[ch + i*nb_channels]) << 1;
+                    sum[ch] += abs(p[ch + i*nb_channels]);
                break;
            case FILTER_PEAK:
                for (ch = 0; ch < nb_channels; ch++)