From f42b3195d3f2692a4dfc0a8668bb4ac35301f2ed Mon Sep 17 00:00:00 2001
From: Laurent Aimar <fenrir@videolan.org>
Date: Fri, 30 Sep 2011 00:05:53 +0200
Subject: [PATCH] Fix out of bound writes in fix_bitshift() of the shorten
 decoder.

The data pointers s->decoded[*] already take into account s->nwrap.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/shorten.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c
index b39fcbd0ef..f46b21fc8e 100644
--- a/libavcodec/shorten.c
+++ b/libavcodec/shorten.c
@@ -155,7 +155,7 @@ static void fix_bitshift(ShortenContext *s, int32_t *buffer)
 
     if (s->bitshift != 0)
         for (i = 0; i < s->blocksize; i++)
-            buffer[s->nwrap + i] <<= s->bitshift;
+            buffer[i] <<= s->bitshift;
 }