From ae62aa2fca3b2cf45a98dc2f9777065bcb452797 Mon Sep 17 00:00:00 2001
From: Alex Converse <aconve...@google.com>
Date: Tue, 26 Apr 2011 09:08:26 -0700
Subject: [PATCH 3/4] bitstream: Properly promote av_reverse values before shifting.
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="------------1"

This is a multi-part message in MIME format.
--------------1
Content-Type: text/plain; charset=UTF-8; format=fixed
Content-Transfer-Encoding: 8bit

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


--------------1
Content-Type: text/x-patch; name="0003-bitstream-Properly-promote-av_reverse-values-before-.patch"
Content-Transfer-Encoding: 8bit
Content-Disposition: attachment; filename="0003-bitstream-Properly-promote-av_reverse-values-before-.patch"

diff --git a/libavcodec/bitstream.c b/libavcodec/bitstream.c
index 329ec95..14c3eaa 100644
--- a/libavcodec/bitstream.c
+++ b/libavcodec/bitstream.c
@@ -118,10 +118,10 @@ 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 {

--------------1--


_______________________________________________
libav-devel mailing list
libav-devel@libav.org
https://lists.libav.org/mailman/listinfo/libav-devel

Reply via email to