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pthread: make ff_thread_release_buffer idempotent.

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I.e. don't do anything on already released frames.
This commit is contained in:
Anton Khirnov 2012-12-28 09:54:29 +01:00
parent 729b37149c
commit e6b1c3bbe7
1 changed files with 3 additions and 0 deletions
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3
libavcodec/pthread.c
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@ -975,6 +975,9 @@ void ff_thread_release_buffer(AVCodecContext *avctx, AVFrame *f)
PerThreadContext *p = avctx->thread_opaque; PerThreadContext *p = avctx->thread_opaque;
FrameThreadContext *fctx; FrameThreadContext *fctx;
if (!f->data[0])
return;
if (!(avctx->active_thread_type&FF_THREAD_FRAME)) { if (!(avctx->active_thread_type&FF_THREAD_FRAME)) {
avctx->release_buffer(avctx, f); avctx->release_buffer(avctx, f);
return; return;