From ae62aa2fca3b2cf45a98dc2f9777065bcb452797 Mon Sep 17 00:00:00 2001
From: Alex Converse <[email protected]>
Date: Tue, 26 Apr 2011 09:08:26 -0700
Subject: [PATCH 3/4] bitstream: Properly promote av_reverse values before shifting.
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---
libavcodec/bitstream.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
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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 {
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