aboutsummaryrefslogtreecommitdiffhomepage
path: root/libfaad2/pns.h
blob: c7c6ab2ebb0400de136eac28b0ade2ed45440103 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
**  
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
** 
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
** 
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software 
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** $Id: pns.h,v 1.23 2004/09/04 14:56:28 menno Exp $
**/

#ifndef __PNS_H__
#define __PNS_H__

#ifdef __cplusplus
extern "C" {
#endif

#include "syntax.h"

#define NOISE_OFFSET 90

void pns_decode(ic_stream *ics_left, ic_stream *ics_right,
                real_t *spec_left, real_t *spec_right, uint16_t frame_len,
                uint8_t channel_pair, uint8_t object_type);

static INLINE uint8_t is_noise(ic_stream *ics, uint8_t group, uint8_t sfb)
{
    if (ics->sfb_cb[group][sfb] == NOISE_HCB)
        return 1;
    return 0;
}

#ifdef __cplusplus
}
#endif
#endif