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lavu/rational: add syntactic sugar.

Add a function to create a rational
and macros for common values.
This commit is contained in:
Nicolas George 2013-12-31 14:07:25 +01:00
parent 5607242155
commit 3532dd52c5
3 changed files with 15 additions and 1 deletions

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@ -15,6 +15,9 @@ libavutil: 2012-10-22
API changes, most recent first:
2014-01-19 - xxxxxxx - lavu 52.63.100 - rational.h
Add av_make_q() function.
2013-12-xx - xxxxxxx - lavu 53.2.0 - frame.h
Add AV_FRAME_DATA_MATRIXENCODING value to the AVFrameSideDataType enum, which
identifies AVMatrixEncoding data.

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@ -45,6 +45,17 @@ typedef struct AVRational{
int den; ///< denominator
} AVRational;
/**
* Create a rational.
* Useful for compilers that do not support compound literals.
* @note The return value is not reduced.
*/
static inline AVRational av_make_q(int num, int den)
{
AVRational r = { num, den };
return r;
}
/**
* Compare two rationals.
* @param a first rational

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@ -56,7 +56,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 52
#define LIBAVUTIL_VERSION_MINOR 62
#define LIBAVUTIL_VERSION_MINOR 63
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \