aboutsummaryrefslogtreecommitdiffstats
path: root/codecs/G722/G722decode.c
blob: af45520d086e09dabe51259d4726f429c1d5fc78 (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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
/* G722decode.c
 * A-law G.711 codec
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "config.h"

#include <glib.h>

#ifdef HAVE_SPANDSP
#include "telephony.h"
#include "g722.h"
#include "G722decode.h"

static g722_decode_state_t state;

void *
codec_g722_init(void)
{
    memset (&state, 0, sizeof (state));
    g722_decode_init(&state, 64000, 0);

    return NULL;
}

void
codec_g722_release(void *ctx _U_)
{

}

int
codec_g722_get_channels(void *ctx _U_)
{
    return 1;
}

int
codec_g722_get_frequency(void *ctx _U_)
{
    return 64000;
}

int
codec_g722_decode(void *ctx _U_, const void *input, int inputSizeBytes, void *output,
        int *outputSizeBytes)
{
    *outputSizeBytes = g722_decode(&state, output, input, inputSizeBytes);
    return 0;
}

#endif

/*
 * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
 *
 * Local variables:
 * c-basic-offset: 4
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 *
 * vi: set shiftwidth=4 tabstop=8 expandtab:
 * :indentSize=4:tabSize=8:noTabs=true:
 */