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intreadwrite.h: fix AV_RL32/AV_RB32 signedness.

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The output type of the AV_RL32/AV_RB32 macros was signed int. The
resulting overflow broke at least some ASF streams with large
timestamps. Fix by adding a cast to uint32_t.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Uoti Urpala 2011-06-14 21:53:30 +00:00 committed by Anton Khirnov
parent aa15e68721
commit c98b928fa7
1 changed files with 10 additions and 10 deletions
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20
libavutil/intreadwrite.h
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@ -229,11 +229,11 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
#endif
#ifndef AV_RB32
# define AV_RB32(x) \
((((const uint8_t*)(x))[0] << 24) | \
(((const uint8_t*)(x))[1] << 16) | \
(((const uint8_t*)(x))[2] << 8) | \
((const uint8_t*)(x))[3])
# define AV_RB32(x) \
(((uint32_t)((const uint8_t*)(x))[0] << 24) | \
(((const uint8_t*)(x))[1] << 16) | \
(((const uint8_t*)(x))[2] << 8) | \
((const uint8_t*)(x))[3])
#endif
#ifndef AV_WB32
# define AV_WB32(p, d) do { \
@ -245,11 +245,11 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
#endif
#ifndef AV_RL32
# define AV_RL32(x) \
((((const uint8_t*)(x))[3] << 24) | \
(((const uint8_t*)(x))[2] << 16) | \
(((const uint8_t*)(x))[1] << 8) | \
((const uint8_t*)(x))[0])
# define AV_RL32(x) \
(((uint32_t)((const uint8_t*)(x))[3] << 24) | \
(((const uint8_t*)(x))[2] << 16) | \
(((const uint8_t*)(x))[1] << 8) | \
((const uint8_t*)(x))[0])
#endif
#ifndef AV_WL32
# define AV_WL32(p, d) do { \