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ffmpeg: assert against creation of cycles in the pools linked list.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer
2012-04-22 20:07:04 +02:00
parent be2b927a6f
commit cf09496cf9
1 changed files with 3 additions and 0 deletions
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ffmpeg.c
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@@ -599,6 +599,9 @@ static void unref_buffer(InputStream *ist, FrameBuffer *buf)
av_assert0(buf->refcount > 0); av_assert0(buf->refcount > 0);
buf->refcount--; buf->refcount--;
if (!buf->refcount) { if (!buf->refcount) {
FrameBuffer *tmp;
for(tmp= ist->buffer_pool; tmp; tmp= tmp->next)
av_assert1(tmp != buf);
buf->next = ist->buffer_pool; buf->next = ist->buffer_pool;
ist->buffer_pool = buf; ist->buffer_pool = buf;
} }