path: root/audio_codec/libfaad/drc.h (plain)
blob: c8e6b45d7fb4d1b00fbb37c549db094f41fdacda

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: drc.h,v 1.22 2007/11/01 12:33:30 menno Exp $
29	**/
30
31	#ifndef __DRC_H__
32	#define __DRC_H__
33
34	#ifdef __cplusplus
35	extern "C" {
36	#endif
37
38	#define DRC_REF_LEVEL 20*4 /* -20 dB */
39
40
41	drc_info *drc_init(real_t cut, real_t boost);
42	void drc_end(drc_info *drc);
43	void drc_decode(drc_info *drc, real_t *spec);
44
45
46	#ifdef __cplusplus
47	}
48	#endif
49	#endif
50