zenilib: zenilib/jni/external/libvorbis/lib/smallft.h Source File

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smallft.h
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1 /********************************************************************
2 * *
3 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
7 * *
8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
9 * by the Xiph.Org Foundation http://www.xiph.org/ *
10 * *
11 ********************************************************************
12
13 function: fft transform
14 last mod: $Id: smallft.h 13293 2007-07-24 00:09:47Z xiphmont $
15
16 ********************************************************************/
17
18 #ifndef _V_SMFT_H_
19 #define _V_SMFT_H_
20
21 #include "vorbis/codec.h"
22
23 typedef struct {
24 int n;
25 float *trigcache;
26 int *splitcache;
27 } drft_lookup;
28
29 extern void drft_forward(drft_lookup *l,float *data);
30 extern void drft_backward(drft_lookup *l,float *data);
31 extern void drft_init(drft_lookup *l,int n);
32 extern void drft_clear(drft_lookup *l);
33
34 #endif
drft_lookup::splitcache
int * splitcache
Definition: smallft.h:26
n
GLclampd n
Definition: glew.h:7287
drft_lookup::n
int n
Definition: smallft.h:24
codec.h
drft_init
void drft_init(drft_lookup *l, int n)
Definition: smallft.c:1242
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl2ext.h:848
drft_backward
void drft_backward(drft_lookup *l, float *data)
Definition: smallft.c:1237
l
GLdouble l
Definition: glew.h:8383
drft_clear
void drft_clear(drft_lookup *l)
Definition: smallft.c:1249
drft_lookup
Definition: smallft.h:23
drft_lookup::trigcache
float * trigcache
Definition: smallft.h:25
drft_forward
void drft_forward(drft_lookup *l, float *data)
Definition: smallft.c:1232