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Code Issues Releases Activity

Make av_cmp_q() work with infinities and NAN.

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Originally committed as revision 25338 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-10-05 01:43:31 +00:00
parent cfa5a81ea6
commit dec1126915
2 changed files with 5 additions and 2 deletions
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2
libavutil/avutil.h
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@ -41,7 +41,7 @@
#define LIBAVUTIL_VERSION_MAJOR 50
#define LIBAVUTIL_VERSION_MINOR 32
#define LIBAVUTIL_VERSION_MICRO 1
#define LIBAVUTIL_VERSION_MICRO 2
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \

5
libavutil/rational.h
View File

@ -29,6 +29,7 @@
#define AVUTIL_RATIONAL_H
#include <stdint.h>
#include <limits.h>
#include "attributes.h"
/**
@ -49,7 +50,9 @@ 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 ^ a.den ^ b.den)>>63)|1;
else return 0;
else if(b.den && a.den) return 0;
else if(a.num && b.num) return (a.num>>31) - (b.num>>31);
else return INT_MIN;
}
/**