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Merge commit '9ae53c5860e17d087642d27b00dade071970a2e7'

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* commit '9ae53c5860e17d087642d27b00dade071970a2e7':
  lavc: add ff_u8_to_s8() for safe type punning of uint8_t to int8_t

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-09-19 11:47:32 +02:00
commit ac2fc63ac6
1 changed files with 10 additions and 0 deletions
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10
libavcodec/mathops.h
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@ -224,4 +224,14 @@ static inline av_const unsigned int ff_sqrt(unsigned int a)
return b - (a < b * b);
}
static inline int8_t ff_u8_to_s8(uint8_t a)
{
union {
uint8_t u8;
int8_t s8;
} b;
b.u8 = a;
return b.s8;
}
#endif /* AVCODEC_MATHOPS_H */