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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/* $Id$
*
*/
/*
* PJMEDIA - Multimedia over IP Stack
* (C)2003-2005 Benny Prijono <bennylp@bulukucing.org>
*
* Author:
* Benny Prijono <bennylp@bulukucing.org>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pjmedia/sound.h>
/*
* Null Factory Operations
*/
static pj_status_t null_sound_init(void);
static const char *null_sound_get_name(void);
static pj_status_t null_sound_destroy(void);
static pj_status_t null_sound_enum_devices(int *count, char *dev_names[]);
static pj_status_t null_sound_create_dev(const char *dev_name, pj_snd_dev *dev);
static pj_status_t null_sound_destroy_dev(pj_snd_dev *dev);
/*
* Null Device Operations
*/
static pj_status_t null_sound_dev_open( pj_snd_dev *dev, pj_snd_role_t role );
static pj_status_t null_sound_dev_close( pj_snd_dev *dev );
static pj_status_t null_sound_dev_play( pj_snd_dev *dev );
static pj_status_t null_sound_dev_record( pj_snd_dev *dev );
static pj_snd_dev_factory null_sound_factory =
{
&null_sound_init,
&null_sound_get_name,
&null_sound_destroy,
&null_sound_enum_devices,
&null_sound_create_dev,
&null_sound_destroy_dev
};
static struct pj_snd_dev_op null_sound_dev_op =
{
&null_sound_dev_open,
&null_sound_dev_close,
&null_sound_dev_play,
&null_sound_dev_record
};
PJ_DEF(pj_snd_dev_factory*) pj_nullsound_get_factory()
{
return &null_sound_factory;
}
static pj_status_t null_sound_init(void)
{
return 0;
}
static const char *null_sound_get_name(void)
{
return "nullsound";
}
static pj_status_t null_sound_destroy(void)
{
return 0;
}
static pj_status_t null_sound_enum_devices(int *count, char *dev_names[])
{
*count = 1;
dev_names[0] = "nullsound";
return 0;
}
static pj_status_t null_sound_create_dev(const char *dev_name, pj_snd_dev *dev)
{
PJ_UNUSED_ARG(dev_name);
dev->op = &null_sound_dev_op;
return 0;
}
static pj_status_t null_sound_destroy_dev(pj_snd_dev *dev)
{
PJ_UNUSED_ARG(dev);
return 0;
}
/*
* Null Device Operations
*/
static pj_status_t null_sound_dev_open( pj_snd_dev *dev, pj_snd_role_t role )
{
PJ_UNUSED_ARG(dev);
PJ_UNUSED_ARG(role);
return 0;
}
static pj_status_t null_sound_dev_close( pj_snd_dev *dev )
{
PJ_UNUSED_ARG(dev);
return 0;
}
static pj_status_t null_sound_dev_play( pj_snd_dev *dev )
{
PJ_UNUSED_ARG(dev);
return 0;
}
static pj_status_t null_sound_dev_record( pj_snd_dev *dev )
{
PJ_UNUSED_ARG(dev);
return 0;
}
|
