PipeWire 0.3.38
module.h
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1/* PipeWire
2 *
3 * Copyright © 2018 Wim Taymans
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24
25#ifndef PIPEWIRE_MODULE_H
26#define PIPEWIRE_MODULE_H
27
28#ifdef __cplusplus
29extern "C" {
30#endif
31
32#include <spa/utils/defs.h>
33#include <spa/utils/hook.h>
34
35#include <pipewire/proxy.h>
36
37#define PW_TYPE_INTERFACE_Module PW_TYPE_INFO_INTERFACE_BASE "Module"
38
39#define PW_VERSION_MODULE 3
40struct pw_module;
41
44 uint32_t id;
45 const char *name;
46 const char *filename;
47 const char *args;
48#define PW_MODULE_CHANGE_MASK_PROPS (1 << 0)
49#define PW_MODULE_CHANGE_MASK_ALL ((1 << 1)-1)
50 uint64_t change_mask;
51 struct spa_dict *props;
52};
53
55struct pw_module_info *
57 const struct pw_module_info *update);
59struct pw_module_info *
61 const struct pw_module_info *update, bool reset);
63void pw_module_info_free(struct pw_module_info *info);
64
65#define PW_MODULE_EVENT_INFO 0
66#define PW_MODULE_EVENT_NUM 1
67
70#define PW_VERSION_MODULE_EVENTS 0
71 uint32_t version;
77 void (*info) (void *object, const struct pw_module_info *info);
78};
79
80#define PW_MODULE_METHOD_ADD_LISTENER 0
81#define PW_MODULE_METHOD_NUM 1
82
85#define PW_VERSION_MODULE_METHODS 0
86 uint32_t version;
87
88 int (*add_listener) (void *object,
89 struct spa_hook *listener,
90 const struct pw_module_events *events,
91 void *data);
92};
93
94#define pw_module_method(o,method,version,...) \
95({ \
96 int _res = -ENOTSUP; \
97 spa_interface_call_res((struct spa_interface*)o, \
98 struct pw_module_methods, _res, \
99 method, version, ##__VA_ARGS__); \
100 _res; \
101})
102
103#define pw_module_add_listener(c,...) pw_module_method(c,add_listener,0,__VA_ARGS__)
104
105#ifdef __cplusplus
106} /* extern "C" */
107#endif
108
109#endif /* PIPEWIRE_MODULE_H */
struct pw_module_info * pw_module_info_merge(struct pw_module_info *info, const struct pw_module_info *update, bool reset)
Merge and existing pw_module_info with update.
Definition: introspect.c:363
void pw_module_info_free(struct pw_module_info *info)
Free a pw_module_info.
Definition: introspect.c:399
struct pw_module_info * pw_module_info_update(struct pw_module_info *info, const struct pw_module_info *update)
Update and existing pw_module_info with update with reset.
Definition: introspect.c:392
user data to add to an object
Definition: filter.c:75
Module events.
Definition: module.h:69
uint32_t version
Definition: module.h:71
void(* info)(void *object, const struct pw_module_info *info)
Notify module info.
Definition: module.h:77
The module information.
Definition: module.h:43
uint32_t id
id of the global
Definition: module.h:44
const char * filename
filename of the module
Definition: module.h:46
const char * args
arguments passed to the module
Definition: module.h:47
struct spa_dict * props
extra properties
Definition: module.h:51
uint64_t change_mask
bitfield of changed fields since last call
Definition: module.h:50
const char * name
name of the module
Definition: module.h:45
Module methods.
Definition: module.h:84
uint32_t version
Definition: module.h:86
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_module_events *events, void *data)
Definition: module.h:88
Definition: utils/dict.h:48
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:313