window.c File Reference

#include <stdlib.h>
#include <math.h>
#include "os.h"
#include "misc.h"
#include "window.h"

Functions
const float *	_vorbis_window_get (int n)
void	_vorbis_apply_window (float *d, int *winno, long *blocksizes, int lW, int W, int nW)

Variables
static const float	vwin64 [32]
static const float	vwin128 [64]
static const float	vwin256 [128]
static const float	vwin512 [256]
static const float	vwin1024 [512]
static const float	vwin2048 [1024]
static const float	vwin4096 [2048]
static const float	vwin8192 [4096]
static const float *const	vwin [8]

Function Documentation

_vorbis_apply_window()

void _vorbis_apply_window	(	float *	d,
		int *	winno,
		long *	blocksizes,
		int	lW,
		int	W,
		int	nW )

_vorbis_window_get()

const float * _vorbis_window_get

(

int

n

)

Variable Documentation

vwin

const float* const vwin[8]

static

Initial value:

                              = {
  vwin64,
  vwin128,
  vwin256,
  vwin512,
  vwin1024,
  vwin2048,
  vwin4096,
  vwin8192,
}

vwin1024

const float vwin1024[512]

static

vwin128

const float vwin128[64]

static

Initial value:

                           = {
  0.0002365472F, 0.0021280687F, 0.0059065254F, 0.0115626550F,
  0.0190823442F, 0.0284463735F, 0.0396300935F, 0.0526030430F,
  0.0673285281F, 0.0837631763F, 0.1018564887F, 0.1215504095F,
  0.1427789367F, 0.1654677960F, 0.1895342001F, 0.2148867160F,
  0.2414252576F, 0.2690412240F, 0.2976177952F, 0.3270303960F,
  0.3571473350F, 0.3878306189F, 0.4189369387F, 0.4503188188F,
  0.4818259135F, 0.5133064334F, 0.5446086751F, 0.5755826278F,
  0.6060816248F, 0.6359640047F, 0.6650947483F, 0.6933470543F,
  0.7206038179F, 0.7467589810F, 0.7717187213F, 0.7954024542F,
  0.8177436264F, 0.8386902831F, 0.8582053981F, 0.8762669622F,
  0.8928678298F, 0.9080153310F, 0.9217306608F, 0.9340480615F,
  0.9450138200F, 0.9546851041F, 0.9631286621F, 0.9704194171F,
  0.9766389810F, 0.9818741197F, 0.9862151938F, 0.9897546035F,
  0.9925852598F, 0.9947991032F, 0.9964856900F, 0.9977308602F,
  0.9986155015F, 0.9992144193F, 0.9995953200F, 0.9998179155F,
  0.9999331503F, 0.9999825563F, 0.9999977357F, 0.9999999720F,
}

vwin2048

const float vwin2048[1024]

static

vwin256

const float vwin256[128]

static

vwin4096

const float vwin4096[2048]

static

vwin512

const float vwin512[256]

static

vwin64

const float vwin64[32]

static

Initial value:

                          = {
  0.0009460463F, 0.0085006468F, 0.0235352254F, 0.0458950567F,
  0.0753351908F, 0.1115073077F, 0.1539457973F, 0.2020557475F,
  0.2551056759F, 0.3122276645F, 0.3724270287F, 0.4346027792F,
  0.4975789974F, 0.5601459521F, 0.6211085051F, 0.6793382689F,
  0.7338252629F, 0.7837245849F, 0.8283939355F, 0.8674186656F,
  0.9006222429F, 0.9280614787F, 0.9500073081F, 0.9669131782F,
  0.9793740220F, 0.9880792941F, 0.9937636139F, 0.9971582668F,
  0.9989462667F, 0.9997230082F, 0.9999638688F, 0.9999995525F,
}

vwin8192

const float vwin8192[4096]

static