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)
#define	MULT_NORM(x)
#define	HALVE(x)

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

)

Value:

(x)

HALVE

#define HALVE

(

x

)

Value:

((x)*.5f)

MULT_NORM

#define MULT_NORM

(

x

)

Value:

(x)

REG_TYPE

#define REG_TYPE   float

Function Documentation

mdct_backward()

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

extern

mdct_clear()

void mdct_clear ( mdct_lookup * l )

extern

mdct_forward()

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

extern

mdct_init()

void mdct_init ( mdct_lookup * lookup, int n )

extern