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authorDujardin Bernard <dujardin.iut@numericable.fr>2007-02-26 14:27:29 +0000
committerGuillaume Poirier <gpoirier@mplayerhq.hu>2007-02-26 14:27:29 +0000
commit0b0065992eb6652330f2c84d31de181c2d8956e6 (patch)
tree509778ae2093b7d6ad95ba6adfbc25c99315897a /libavutil/rational.c
parent1c95ef8b971fa10cd8a3899994b8ba051ca091a3 (diff)
move doxy comments from rational.c to rational.h and add some new comments
patch by Dujardin Bernard %dujardin P iut A numericable P fr% Originally committed as revision 8132 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/rational.c')
-rw-r--r--libavutil/rational.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/libavutil/rational.c b/libavutil/rational.c
index 0480aa882f..ac0c9d3714 100644
--- a/libavutil/rational.c
+++ b/libavutil/rational.c
@@ -75,40 +75,24 @@ int av_reduce(int *dst_nom, int *dst_den, int64_t nom, int64_t den, int64_t max)
return den==0;
}
-/**
- * returns b*c.
- */
AVRational av_mul_q(AVRational b, AVRational c){
av_reduce(&b.num, &b.den, b.num * (int64_t)c.num, b.den * (int64_t)c.den, INT_MAX);
return b;
}
-/**
- * returns b/c.
- */
AVRational av_div_q(AVRational b, AVRational c){
return av_mul_q(b, (AVRational){c.den, c.num});
}
-/**
- * returns b+c.
- */
AVRational av_add_q(AVRational b, AVRational c){
av_reduce(&b.num, &b.den, b.num * (int64_t)c.den + c.num * (int64_t)b.den, b.den * (int64_t)c.den, INT_MAX);
return b;
}
-/**
- * returns b-c.
- */
AVRational av_sub_q(AVRational b, AVRational c){
return av_add_q(b, (AVRational){-c.num, c.den});
}
-/**
- * Converts a double precission floating point number to a AVRational.
- * @param max the maximum allowed numerator and denominator
- */
AVRational av_d2q(double d, int max){
AVRational a;
#define LOG2 0.69314718055994530941723212145817656807550013436025