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path: root/audio_codec/libfaad/sbr_fbt.h (plain)
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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: sbr_fbt.h,v 1.18 2007/11/01 12:33:35 menno Exp $
29**/
30
31#ifndef __SBR_FBT_H__
32#define __SBR_FBT_H__
33
34#ifdef __cplusplus
35extern "C" {
36#endif
37
38 uint8_t qmf_start_channel(uint8_t bs_start_freq, uint8_t bs_samplerate_mode,
39 uint32_t sample_rate);
40 uint8_t qmf_stop_channel(uint8_t bs_stop_freq, uint32_t sample_rate,
41 uint8_t k0);
42 uint8_t master_frequency_table_fs0(sbr_info *sbr, uint8_t k0, uint8_t k2,
43 uint8_t bs_alter_scale);
44 uint8_t master_frequency_table(sbr_info *sbr, uint8_t k0, uint8_t k2,
45 uint8_t bs_freq_scale, uint8_t bs_alter_scale);
46 uint8_t derived_frequency_table(sbr_info *sbr, uint8_t bs_xover_band,
47 uint8_t k2);
48 void limiter_frequency_table(sbr_info *sbr);
49
50
51#ifdef __cplusplus
52}
53#endif
54#endif
55
56