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avcodec/pthread_slice: Reuse buffer if possible

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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-06-30 20:36:53 +02:00
parent b4ca3c7e4e
commit 571e4055dc
1 changed files with 4 additions and 2 deletions
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6
libavcodec/pthread_slice.c
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@ -242,9 +242,11 @@ int ff_slice_thread_allocz_entries(AVCodecContext *avctx, int count)
if (avctx->active_thread_type & FF_THREAD_SLICE) {
SliceThreadContext *p = avctx->internal->thread_ctx;
if (p->entries) {
av_freep(&p->entries);
if (p->entries_count == count) {
memset(p->entries, 0, p->entries_count * sizeof(*p->entries));
return 0;
}
av_freep(&p->entries);
p->entries = av_calloc(count, sizeof(*p->entries));
if (!p->entries) {