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
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
*
* Bluetooth low-complexity, subband codec (SBC) library
*
* Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org>
* Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch>
* Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com>
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef __SBC_H
#define __SBC_H
#ifdef __cplusplus
extern "C" {
#endif
struct sbc_struct {
unsigned long flags;
int rate;
int channels;
int joint;
int allocation;
int blocks;
int subbands;
int bitpool;
int swap;
void *priv;
};
typedef struct sbc_struct sbc_t;
int sbc_init(sbc_t *sbc, unsigned long flags);
int sbc_reinit(sbc_t *sbc, unsigned long flags);
int sbc_parse(sbc_t *sbc, void *input, int input_len);
int sbc_decode(sbc_t *sbc, void *input, int input_len, void *output,
int output_len, int *len);
int sbc_encode(sbc_t *sbc, void *input, int input_len, void *output,
int output_len, int *written);
int sbc_get_frame_length(sbc_t *sbc);
int sbc_get_frame_duration(sbc_t *sbc);
int sbc_get_codesize(sbc_t *sbc);
void sbc_finish(sbc_t *sbc);
#ifdef __cplusplus
}
#endif
#endif /* __SBC_H */
|
