Module: libav
Branch: release/9
Commit: 704952fee52f4033018919fee7815ee3bc833280

Author:    Anton Khirnov <[email protected]>
Committer: Reinhard Tartler <[email protected]>
Date:      Thu Feb 14 11:44:33 2013 +0100

h264: set ref_count to 0 for intra slices.

CC:[email protected]
(cherry picked from commit 437211ae73ef1ed8285b4fed7620502ea4999e11)

Fixes deadlocks waiting for non-existing references with some fuzzed files.

Signed-off-by: Reinhard Tartler <[email protected]>

---

 libavcodec/h264.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 6f49dd2..54f6186 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3039,8 +3039,11 @@ static int decode_slice_header(H264Context *h, 
H264Context *h0)
             h->list_count = 2;
         else
             h->list_count = 1;
-    } else
+    } else {
         h->list_count = 0;
+        h->ref_count[0] = h->ref_count[1] = 0;
+    }
+
 
     max_refs = s->picture_structure == PICT_FRAME ? 16 : 32;
 

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