From: Alex Converse <alex.converse@gmail.com>
Date: Thu, 18 Sep 2008 15:35:08 +0000 (+0000)
Subject: Cast the return value of get_bits() to signed integer such that the subtraction
X-Git-Tag: v0.5~2468
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c8947a561210ddf14533691df45b63f22e7736a4;p=platform%2Fupstream%2Flibav.git

Cast the return value of get_bits() to signed integer such that the subtraction
is conducted as a signed calculation.

Patch by Alex Converse (alex converse gmail com)

Originally committed as revision 15362 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/aac.c b/libavcodec/aac.c
index 12037e0..504f987 100644
--- a/libavcodec/aac.c
+++ b/libavcodec/aac.c
@@ -979,7 +979,7 @@ static int decode_cce(AACContext * ac, GetBitContext * gb, ChannelElement * che)
     }
 
     sign = get_bits(gb, 1);
-    scale = pow(2., pow(2., get_bits(gb, 2) - 3));
+    scale = pow(2., pow(2., (int)get_bits(gb, 2) - 3));
 
     if ((ret = decode_ics(ac, sce, gb, 0, 0)))
         return ret;