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lavfi/showwaves: simplify check in filter_samples() 

Also fix Coverity issue CID 733743: Dereference after null check
This commit is contained in:
Stefano Sabatini 2012-11-06 22:43:51 +01:00
parent e9b8523d52
commit 5f634480d1
1 changed files with 1 additions and 1 deletions
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2
libavfilter/avf_showwaves.c
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@ -195,7 +195,7 @@ static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
/* draw data in the buffer */
for (i = 0; i < nb_samples; i++) {
if (showwaves->buf_idx == 0 && showwaves->sample_count_mod == 0) {
if (!outpicref) {
showwaves->outpicref = outpicref =
ff_get_video_buffer(outlink, AV_PERM_WRITE|AV_PERM_ALIGN,
outlink->w, outlink->h);