FFmpeg: libavutil/rational.h File Reference

FFmpeg

rational.h File Reference

#include <stdint.h>
#include <limits.h>
#include "attributes.h"

Data Structures

struct AVRational

Rational number (pair of numerator and denominator). More...

static AVRational av_make_q (int num, int den)

Create an AVRational. More...

Compare two rationals. More...

Convert an AVRational to a double. More...

int av_reduce (int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)

Reduce a fraction. More...

Multiply two rationals. More...

Divide one rational by another. More...

Add two rationals. More...

Subtract one rational from another. More...

Invert a rational. More...

Convert a double precision floating point number to a rational. More...

Find which of the two rationals is closer to another rational. More...

Find the value in a list of rationals nearest a given reference rational. More...

Convert an AVRational to a IEEE 32-bit float expressed in fixed-point format. More...

Return the best rational so that a and b are multiple of it. More...

Utilities for rational number calculation.

Definition in file rational.h.

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