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avcodec/ac3: add () to protect the macro arguments

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-02-16 23:59:39 +01:00
parent 0b638b83c6
commit cb9d40451c
1 changed files with 2 additions and 2 deletions
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4
libavcodec/ac3.h
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@ -67,8 +67,8 @@
#define AC3_RENAME(x) x ## _fixed
#define AC3_NORM(norm) (1<<24)/(norm)
#define AC3_MUL(a,b) ((((int64_t) (a)) * (b))>>12)
#define AC3_RANGE(x) (x|((x&128)<<1))
#define AC3_HEAVY_RANGE(x) (x<<1)
#define AC3_RANGE(x) ((x)|(((x)&128)<<1))
#define AC3_HEAVY_RANGE(x) ((x)<<1)
#define AC3_DYNAMIC_RANGE(x) (x)
#define AC3_SPX_BLEND(x) (x)
#define AC3_DYNAMIC_RANGE1 0