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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 __FILTBANK_H__
29#define __FILTBANK_H__
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35
36fb_info *filter_bank_init(uint16_t frame_len);
37void filter_bank_end(fb_info *fb);
38
39#ifdef LTP_DEC
40void filter_bank_ltp(fb_info *fb,
41 uint8_t window_sequence,
42 uint8_t window_shape,
43 uint8_t window_shape_prev,
44 real_t *in_data,
45 real_t *out_mdct,
46 uint8_t object_type,
47 uint16_t frame_len);
48#endif
49
50void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
51 uint8_t window_shape_prev, real_t *freq_in,
52 real_t *time_out, real_t *overlap,
53 uint8_t object_type, uint16_t frame_len);
54
55#ifdef __cplusplus
56}
57#endif
58#endif