openshot-audio  0.1.6
Classes | Macros | Functions
mdct.h File Reference
#include "../../codec.h"

Go to the source code of this file.

Classes

struct  mdct_lookup
 

Macros

#define DATA_TYPE   float
 
#define REG_TYPE   float
 
#define cPI3_8   .38268343236508977175F
 
#define cPI2_8   .70710678118654752441F
 
#define cPI1_8   .92387953251128675613F
 
#define FLOAT_CONV(x)   (x)
 
#define MULT_NORM(x)   (x)
 
#define HALVE(x)   ((x)*.5f)
 

Functions

void mdct_init (mdct_lookup *lookup, int n)
 
void mdct_clear (mdct_lookup *l)
 
void mdct_forward (mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out)
 
void mdct_backward (mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out)
 

Macro Definition Documentation

◆ cPI1_8

#define cPI1_8   .92387953251128675613F

◆ cPI2_8

#define cPI2_8   .70710678118654752441F

◆ cPI3_8

#define cPI3_8   .38268343236508977175F

◆ DATA_TYPE

#define DATA_TYPE   float

◆ FLOAT_CONV

#define FLOAT_CONV (   x)    (x)

◆ HALVE

#define HALVE (   x)    ((x)*.5f)

◆ MULT_NORM

#define MULT_NORM (   x)    (x)

◆ REG_TYPE

#define REG_TYPE   float

Function Documentation

◆ mdct_backward()

void mdct_backward ( mdct_lookup init,
DATA_TYPE in,
DATA_TYPE out 
)

◆ mdct_clear()

void mdct_clear ( mdct_lookup l)

◆ mdct_forward()

void mdct_forward ( mdct_lookup init,
DATA_TYPE in,
DATA_TYPE out 
)

◆ mdct_init()

void mdct_init ( mdct_lookup lookup,
int  n 
)