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authorMichael Niedermayer <michaelni@gmx.at>2015-06-28 02:27:43 +0200
committerMichael Niedermayer <michaelni@gmx.at>2015-06-28 02:27:43 +0200
commitf01028bf58b89a80132bda409167e39779de8835 (patch)
tree37bc5f22bb8f53e062c1308756eb9ba20c742614 /libavcodec/jpeg2000.h
parent86fb20324690a80f763b7de6d78749c17ad3f482 (diff)
downloadffmpeg-f01028bf58b89a80132bda409167e39779de8835.tar.gz
avcodec/jpeg2000: Avoid one shift in ff_jpeg2000_ceildivpow2()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/jpeg2000.h')
-rw-r--r--libavcodec/jpeg2000.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000.h b/libavcodec/jpeg2000.h
index 9bf6186176..a99c210bc8 100644
--- a/libavcodec/jpeg2000.h
+++ b/libavcodec/jpeg2000.h
@@ -215,7 +215,7 @@ typedef struct Jpeg2000Component {
/* misc tools */
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)