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1/*
2** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
3** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
4**
5** This program is free software; you can redistribute it and/or modify
6** it under the terms of the GNU General Public License as published by
7** the Free Software Foundation; either version 2 of the License, or
8** (at your option) any later version.
9**
10** This program is distributed in the hope that it will be useful,
11** but WITHOUT ANY WARRANTY; without even the implied warranty of
12** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13** GNU General Public License for more details.
14**
15** You should have received a copy of the GNU General Public License
16** along with this program; if not, write to the Free Software
17** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18**
19** Any non-GPL usage of this software or parts of this software is strictly
20** forbidden.
21**
22** Commercial non-GPL licensing of this software is possible.
23** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
24**
25** $Id$
26**/
27
28#ifndef __SBR_DCT_H__
29#define __SBR_DCT_H__
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35void dct4_kernel(real_t *real, real_t *imag);
36
37void DCT3_32_unscaled(real_t *y, real_t *x);
38void DCT4_32(real_t *y, real_t *x);
39void DST4_32(real_t *y, real_t *x);
40void DCT2_32_unscaled(real_t *y, real_t *x);
41void DCT4_16(real_t *y, real_t *x);
42void DCT2_16_unscaled(real_t *y, real_t *x);
43
44
45#ifdef __cplusplus
46}
47#endif
48#endif
49