openshot-audio  0.1.2
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

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

Function Documentation

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