summaryrefslogtreecommitdiffstats
path: root/libfaad2/sbr_dct.h
blob: 4573e4c3b75887d8f6afd3f507282347515cd4a2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
**  
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
** 
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
** 
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software 
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** Initially modified for use with MPlayer by Arpad Gereöffy on 2003/08/30
** $Id: sbr_dct.h,v 1.3 2004/06/02 22:59:03 diego Exp $
** detailed CVS changelog at http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
**/

#ifndef __SBR_DCT_H__
#define __SBR_DCT_H__

#ifdef __cplusplus
extern "C" {
#endif

void DCT3_32_unscaled(real_t *y, real_t *x);
void DCT2_64_unscaled(real_t *y, real_t *x);
void DST2_64_unscaled(real_t *y, real_t *x);
void DCT4_64(real_t *y, real_t *x);
void DCT4_64_kernel(real_t *y, real_t *t2);


#ifdef __cplusplus
}
#endif
#endif