From cf09496cf996d21cc718eb0ac0bdf5f0e96d581e Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sun, 22 Apr 2012 20:07:04 +0200
Subject: [PATCH] ffmpeg: assert against creation of cycles in the pools linked
list.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
ffmpeg.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/ffmpeg.c b/ffmpeg.c
index dc318d134f3..567edd3eb77 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -599,6 +599,9 @@ static void unref_buffer(InputStream *ist, FrameBuffer *buf)
av_assert0(buf->refcount > 0);
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;
ist->buffer_pool = buf;
}
--
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