[FFmpeg-cvslog] rv34: check for size mismatch

[Michael Niedermayer]

ffmpeg | branch: release/0.8 | Michael Niedermayer <michaelni at gmx.at> | Sat Sep 17 19:40:25 2011 +0200| [ed9e561490d70e317659f9e406c7920242e509eb] | committer: Michael Niedermayer

rv34: check for size mismatch

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 35f38b3ab9d755aede5bce8abbe1cb9c07027f8a)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ed9e561490d70e317659f9e406c7920242e509eb
---

 libavcodec/rv34.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c
index ba88916..0e5f868 100644
--- a/libavcodec/rv34.c
+++ b/libavcodec/rv34.c
@@ -1312,6 +1312,10 @@ static int rv34_decode_slice(RV34DecContext *r, int end, const uint8_t* buf, int
             av_log(s->avctx, AV_LOG_ERROR, "Slice type mismatch\n");
             return AVERROR_INVALIDDATA;
         }
+        if (s->width != r->si.width || s->height != r->si.height) {
+            av_log(s->avctx, AV_LOG_ERROR, "Size mismatch\n");
+            return AVERROR_INVALIDDATA;
+        }
     }
 
     r->si.end = end;