[FFmpeg-cvslog] bitstream: Properly promote av_reverse values before shifting.

[Alex Converse]

ffmpeg | branch: master | Alex Converse <aconverse at google.com> | Tue Apr 26 09:08:26 2011 -0700| [19d824e47373594739bb9a05cd4e7edbc441b173] | committer: Alex Converse

bitstream: Properly promote av_reverse values before shifting.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=19d824e47373594739bb9a05cd4e7edbc441b173
---

 libavcodec/bitstream.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/bitstream.c b/libavcodec/bitstream.c
index 97d5b49..b593db5 100644
--- a/libavcodec/bitstream.c
+++ b/libavcodec/bitstream.c
@@ -116,10 +116,10 @@ static int alloc_table(VLC *vlc, int size, int use_static)
 }
 
 static av_always_inline uint32_t bitswap_32(uint32_t x) {
-    return av_reverse[x&0xFF]<<24
-         | av_reverse[(x>>8)&0xFF]<<16
-         | av_reverse[(x>>16)&0xFF]<<8
-         | av_reverse[x>>24];
+    return (uint32_t)av_reverse[x&0xFF]<<24
+         | (uint32_t)av_reverse[(x>>8)&0xFF]<<16
+         | (uint32_t)av_reverse[(x>>16)&0xFF]<<8
+         | (uint32_t)av_reverse[x>>24];
 }
 
 typedef struct {