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| author | Clément Bœsch <ubitux@gmail.com> | 2013-05-07 16:31:02 +0200 |
|---|---|---|
| committer | Clément Bœsch <ubitux@gmail.com> | 2013-05-09 16:59:42 +0200 |
| commit | 570d63eef3f911869672cd20fa9c2abedb11093d (patch) | |
| tree | 2b993b08de62362e2e59e8049e28a92e6c2bb0af /libavutil/common.h | |
| parent | d9cb1e0e15e5cabb0b36f10cba079ea6532ed8e7 (diff) | |
| download | ffmpeg-570d63eef3f911869672cd20fa9c2abedb11093d.tar.gz | |
lavu: add FF_CEIL_RSHIFT and use it in various places.
Diffstat (limited to 'libavutil/common.h')
| -rw-r--r-- | libavutil/common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavutil/common.h b/libavutil/common.h index 13f2ffbd11..9091070a01 100644 --- a/libavutil/common.h +++ b/libavutil/common.h @@ -48,6 +48,8 @@ #define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b)) /* assume b>0 */ #define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b)) +/* assume a>0 and b>0 */ +#define FF_CEIL_RSHIFT(a,b) (-((-(a)) >> (b))) #define FFUDIV(a,b) (((a)>0 ?(a):(a)-(b)+1) / (b)) #define FFUMOD(a,b) ((a)-(b)*FFUDIV(a,b)) #define FFABS(a) ((a) >= 0 ? (a) : (-(a))) |