diff options
Diffstat (limited to 'libavfilter/avf_showwaves.c')
| -rw-r--r-- | libavfilter/avf_showwaves.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavfilter/avf_showwaves.c b/libavfilter/avf_showwaves.c index 5e8914630b..e9d3062f83 100644 --- a/libavfilter/avf_showwaves.c +++ b/libavfilter/avf_showwaves.c @@ -188,7 +188,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples) (AVRational){ 1, inlink->sample_rate }, outlink->time_base); linesize = outpicref->linesize[0]; - memset(outpicref->data[0], 0, showwaves->h*linesize); + for (j = 0; j < outlink->h; j++) + memset(outpicref->data[0] + j * linesize, 0, outlink->w); } for (j = 0; j < nb_channels; j++) { h = showwaves->h/2 - av_rescale(*p++, showwaves->h/2, MAX_INT16); |