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Fix av_cmp_q() with negative denominators.
author
Michael Niedermayer
<michaelni@gmx.at>
Fri, 1 Oct 2010 12:00:29 +0000
(12:00 +0000)
committer
Michael Niedermayer
<michaelni@gmx.at>
Fri, 1 Oct 2010 12:00:29 +0000
(12:00 +0000)
Originally committed as revision 25283 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavutil/rational.h
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diff --git
a/libavutil/rational.h
b/libavutil/rational.h
index
2dd0c2c
..
7c6605c
100644
(file)
--- a/
libavutil/rational.h
+++ b/
libavutil/rational.h
@@
-48,7
+48,7
@@
typedef struct AVRational{
static inline int av_cmp_q(AVRational a, AVRational b){
const int64_t tmp= a.num * (int64_t)b.den - b.num * (int64_t)a.den;
- if(tmp) return (
tmp
>>63)|1;
+ if(tmp) return (
(tmp ^ a.den ^ b.den)
>>63)|1;
else return 0;
}