avfilter/avf_showwaves: zero whole allocated chunk

2 years ago · f013650243
parent 869c06886d
commit f013650243
1 changed files with 1 additions and 1 deletions
--- a/libavfilter/avf_showwaves.c
+++ b/libavfilter/avf_showwaves.c
@ -591,7 +591,7 @@ static int push_single_pic(AVFilterLink *outlink)

    av_log(ctx, AV_LOG_DEBUG, "Create frame averaging %"PRId64" samples per column\n", column_max_samples);

-    memset(sum, 0, nb_channels);
+    memset(sum, 0, nb_channels * sizeof(*sum));

    for (node = showwaves->audio_frames; node; node = node->next) {
        int i;