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bitstream: Properly promote av_reverse values before shifting.

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Alex Converse
2011-04-26 09:08:26 -07:00
committed by Alex Converse
parent 103278f7b0
commit 19d824e473
1 changed files with 4 additions and 4 deletions
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8
libavcodec/bitstream.c
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@@ -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) { static av_always_inline uint32_t bitswap_32(uint32_t x) {
return av_reverse[x&0xFF]<<24 return (uint32_t)av_reverse[x&0xFF]<<24
| av_reverse[(x>>8)&0xFF]<<16 | (uint32_t)av_reverse[(x>>8)&0xFF]<<16
| av_reverse[(x>>16)&0xFF]<<8 | (uint32_t)av_reverse[(x>>16)&0xFF]<<8
| av_reverse[x>>24]; | (uint32_t)av_reverse[x>>24];
} }
typedef struct { typedef struct {