avcodec/jpeg2000: Avoid one shift in ff_jpeg2000_ceildivpow2()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-28 02:27:43 +02:00
parent 86fb203246
commit f01028bf58
1 changed files with 1 additions and 1 deletions

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@ -215,7 +215,7 @@ typedef struct Jpeg2000Component {
/* misc tools */ /* misc tools */
static inline int ff_jpeg2000_ceildivpow2(int a, int b) static inline int ff_jpeg2000_ceildivpow2(int a, int b)
{ {
return (a + (1 << b) - 1) >> b; return -((-a) >> b);
} }
static inline int ff_jpeg2000_ceildiv(int a, int b) static inline int ff_jpeg2000_ceildiv(int a, int b)