path: root/audio_codec/libfaad/sbr_e_nf.h (plain)
blob: 21115c616bb51368067a870f645980c4cf0b2088

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_e_nf.h,v 1.18 2007/11/01 12:33:35 menno Exp $
29	**/
30
31	#ifndef __SBR_E_NF_H__
32	#define __SBR_E_NF_H__
33
34	#ifdef __cplusplus
35	extern "C" {
36	#endif
37
38
39	void extract_envelope_data(sbr_info *sbr, uint8_t ch);
40	void extract_noise_floor_data(sbr_info *sbr, uint8_t ch);
41	#ifndef FIXED_POINT
42	void envelope_noise_dequantisation(sbr_info *sbr, uint8_t ch);
43	void unmap_envelope_noise(sbr_info *sbr);
44	#endif
45
46	#ifdef __cplusplus
47	}
48	#endif
49	#endif
50
51