Module: libav
Branch: release/0.7
Commit: 28d948ac44e38e8bec2f6268ccf4747ff4d992a9

Author:    Laurent Aimar <[email protected]>
Committer: Reinhard Tartler <[email protected]>
Date:      Sun Sep 18 00:03:08 2011 +0200

rv10: Reject slices that does not have the same type as the first one

This prevents crashes with some corrupted bitstreams.

Signed-off-by: Martin Storsjö <[email protected]>
(cherry picked from commit 4a29b471869353c3077fb4b25b6518eb1047afb7)

Signed-off-by: Anton Khirnov <[email protected]>

---

 libavcodec/rv10.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index 78f97b1..223500c 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -543,6 +543,11 @@ static int rv10_decode_packet(AVCodecContext *avctx,
         if(MPV_frame_start(s, avctx) < 0)
             return -1;
         ff_er_frame_start(s);
+    } else {
+        if (s->current_picture_ptr->pict_type != s->pict_type) {
+            av_log(s->avctx, AV_LOG_ERROR, "Slice type mismatch\n");
+            return -1;
+        }
     }
 
     av_dlog(avctx, "qscale=%d\n", s->qscale);

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