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showwaves: fix first sample of frame test. 

Avoids a huge memleak when n != 1.
This commit is contained in:
Nicolas George 2012-06-23 11:50:19 +02:00
parent bd9939f495
commit 6d627eae3c
1 changed files with 1 additions and 1 deletions
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2
libavfilter/avf_showwaves.c
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@ -196,7 +196,7 @@ static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
/* draw data in the buffer */
for (i = 0; i < nb_samples; i++) {
if (showwaves->buf_idx == 0) {
if (showwaves->buf_idx == 0 && showwaves->sample_count_mod == 0) {
showwaves->outpicref = outpicref =
ff_get_video_buffer(outlink, AV_PERM_WRITE|AV_PERM_ALIGN,
outlink->w, outlink->h);