blob: bddc2ab7f05875c747f3c00267e0f30ae0fdef34
1 | /* |
2 | ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding |
3 | ** Copyright (C) 2003-2005 M. Bakker, Nero 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 | ** The "appropriate copyright message" mentioned in section 2c of the GPLv2 |
23 | ** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" |
24 | ** |
25 | ** Commercial non-GPL licensing of this software is possible. |
26 | ** For more info contact Nero AG through Mpeg4AAClicense@nero.com. |
27 | ** |
28 | ** $Id: filtbank.h,v 1.27 2007/11/01 12:33:30 menno Exp $ |
29 | **/ |
30 | |
31 | #ifndef __FILTBANK_H__ |
32 | #define __FILTBANK_H__ |
33 | |
34 | #ifdef __cplusplus |
35 | extern "C" { |
36 | #endif |
37 | |
38 | |
39 | fb_info *filter_bank_init(uint16_t frame_len); |
40 | void filter_bank_end(fb_info *fb); |
41 | |
42 | #ifdef LTP_DEC |
43 | void filter_bank_ltp(fb_info *fb, |
44 | uint8_t window_sequence, |
45 | uint8_t window_shape, |
46 | uint8_t window_shape_prev, |
47 | real_t *in_data, |
48 | real_t *out_mdct, |
49 | uint8_t object_type, |
50 | uint16_t frame_len); |
51 | #endif |
52 | |
53 | void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape, |
54 | uint8_t window_shape_prev, real_t *freq_in, |
55 | real_t *time_out, real_t *overlap, |
56 | uint8_t object_type, uint16_t frame_len); |
57 | |
58 | #ifdef __cplusplus |
59 | } |
60 | #endif |
61 | #endif |
62 |