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
|
#ifndef foomodulehfoo
#define foomodulehfoo
/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
PulseAudio 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.
PulseAudio 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 Lesser General Public License
along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#include <inttypes.h>
#include <ltdl.h>
typedef struct pa_module pa_module;
#include <pulse/proplist.h>
#include <pulsecore/dynarray.h>
#include <pulsecore/core.h>
enum {
PA_MODULE_ERR_UNSPECIFIED = 1,
PA_MODULE_ERR_SKIP = 2
};
struct pa_module {
pa_core *core;
char *name, *argument;
uint32_t index;
lt_dlhandle dl;
int (*init)(pa_module*m);
void (*done)(pa_module*m);
int (*get_n_used)(pa_module *m);
void *userdata;
bool load_once:1;
bool unload_requested:1;
pa_proplist *proplist;
pa_dynarray *hooks;
};
bool pa_module_exists(const char *name);
int pa_module_load(pa_module** m, pa_core *c, const char *name, const char *argument);
void pa_module_unload(pa_module *m, bool force);
void pa_module_unload_by_index(pa_core *c, uint32_t idx, bool force);
void pa_module_unload_request(pa_module *m, bool force);
void pa_module_unload_request_by_index(pa_core *c, uint32_t idx, bool force);
void pa_module_unload_all(pa_core *c);
int pa_module_get_n_used(pa_module*m);
void pa_module_update_proplist(pa_module *m, pa_update_mode_t mode, pa_proplist *p);
void pa_module_hook_connect(pa_module *m, pa_hook *hook, pa_hook_priority_t prio, pa_hook_cb_t cb, void *data);
#define PA_MODULE_AUTHOR(s) \
const char *pa__get_author(void) { return s; } \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#define PA_MODULE_DESCRIPTION(s) \
const char *pa__get_description(void) { return s; } \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#define PA_MODULE_USAGE(s) \
const char *pa__get_usage(void) { return s; } \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#define PA_MODULE_VERSION(s) \
const char * pa__get_version(void) { return s; } \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#define PA_MODULE_DEPRECATED(s) \
const char * pa__get_deprecated(void) { return s; } \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#define PA_MODULE_LOAD_ONCE(b) \
bool pa__load_once(void) { return b; } \
struct __stupid_useless_struct_to_allow_trailing_semicolon
/* Check if we're defining a module (usually defined via compiler flags) */
#ifdef PA_MODULE_NAME
/* Jump through some double-indirection hoops to get PA_MODULE_NAME substituted before the concatenation */
#define _MACRO_CONCAT1(a, b) a ## b
#define _MACRO_CONCAT(a, b) _MACRO_CONCAT1(a, b)
#define pa__init _MACRO_CONCAT(PA_MODULE_NAME, _LTX_pa__init)
#define pa__done _MACRO_CONCAT(PA_MODULE_NAME, _LTX_pa__done)
#define pa__get_author _MACRO_CONCAT(PA_MODULE_NAME, _LTX_pa__get_author)
#define pa__get_description _MACRO_CONCAT(PA_MODULE_NAME, _LTX_pa__get_description)
#define pa__get_usage _MACRO_CONCAT(PA_MODULE_NAME, _LTX_pa__get_usage)
#define pa__get_version _MACRO_CONCAT(PA_MODULE_NAME, _LTX_pa__get_version)
#define pa__get_deprecated _MACRO_CONCAT(PA_MODULE_NAME, _LTX_pa__get_deprecated)
#define pa__load_once _MACRO_CONCAT(PA_MODULE_NAME, _LTX_pa__load_once)
#define pa__get_n_used _MACRO_CONCAT(PA_MODULE_NAME, _LTX_pa__get_n_used)
int pa__init(pa_module*m);
void pa__done(pa_module*m);
int pa__get_n_used(pa_module*m);
const char* pa__get_author(void);
const char* pa__get_description(void);
const char* pa__get_usage(void);
const char* pa__get_version(void);
const char* pa__get_deprecated(void);
bool pa__load_once(void);
#endif /* PA_MODULE_NAME */
#endif
|