PipeWire  0.3.66
factory.h
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1 /* PipeWire */
2 /* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
3 /* SPDX-License-Identifier: MIT */
4 
5 #ifndef PIPEWIRE_FACTORY_H
6 #define PIPEWIRE_FACTORY_H
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
12 #include <stdarg.h>
13 #include <errno.h>
14 
15 #include <spa/utils/defs.h>
16 #include <spa/utils/hook.h>
17 
18 #include <pipewire/proxy.h>
19 
28 #define PW_TYPE_INTERFACE_Factory PW_TYPE_INFO_INTERFACE_BASE "Factory"
29 
30 #define PW_VERSION_FACTORY 3
31 struct pw_factory;
32 
34 struct pw_factory_info {
35  uint32_t id;
36  const char *name;
37  const char *type;
38  uint32_t version;
39 #define PW_FACTORY_CHANGE_MASK_PROPS (1 << 0)
40 #define PW_FACTORY_CHANGE_MASK_ALL ((1 << 1)-1)
41  uint64_t change_mask;
42  struct spa_dict *props;
43 };
44 
47  const struct pw_factory_info *update);
48 struct pw_factory_info *
50  const struct pw_factory_info *update, bool reset);
51 void
53 
54 
55 #define PW_FACTORY_EVENT_INFO 0
56 #define PW_FACTORY_EVENT_NUM 1
57 
59 struct pw_factory_events {
60 #define PW_VERSION_FACTORY_EVENTS 0
61  uint32_t version;
67  void (*info) (void *data, const struct pw_factory_info *info);
68 };
69 
70 #define PW_FACTORY_METHOD_ADD_LISTENER 0
71 #define PW_FACTORY_METHOD_NUM 1
72 
74 struct pw_factory_methods {
75 #define PW_VERSION_FACTORY_METHODS 0
76  uint32_t version;
77 
78  int (*add_listener) (void *object,
79  struct spa_hook *listener,
80  const struct pw_factory_events *events,
81  void *data);
82 };
83 
84 #define pw_factory_method(o,method,version,...) \
85 ({ \
86  int _res = -ENOTSUP; \
87  spa_interface_call_res((struct spa_interface*)o, \
88  struct pw_factory_methods, _res, \
89  method, version, ##__VA_ARGS__); \
90  _res; \
91 })
92 
93 #define pw_factory_add_listener(c,...) pw_factory_method(c,add_listener,0,__VA_ARGS__)
94 
99 #ifdef __cplusplus
100 } /* extern "C" */
101 #endif
102 
103 #endif /* PIPEWIRE_FACTORY_H */
spa/utils/defs.h
struct pw_factory_info * pw_factory_info_merge(struct pw_factory_info *info, const struct pw_factory_info *update, bool reset)
Definition: introspect.c:313
struct pw_factory_info * pw_factory_info_update(struct pw_factory_info *info, const struct pw_factory_info *update)
Definition: introspect.c:342
void pw_factory_info_free(struct pw_factory_info *info)
Definition: introspect.c:349
spa/utils/hook.h
pipewire/proxy.h
Factory events.
Definition: factory.h:70
uint32_t version
Definition: factory.h:73
void(* info)(void *data, const struct pw_factory_info *info)
Notify factory info.
Definition: factory.h:79
The factory information.
Definition: factory.h:41
uint32_t version
version of the objects
Definition: factory.h:45
const char * type
type of the objects created by this factory
Definition: factory.h:44
uint32_t id
id of the global
Definition: factory.h:42
uint64_t change_mask
bitfield of changed fields since last call
Definition: factory.h:50
Factory methods.
Definition: factory.h:88
uint32_t version
Definition: factory.h:91
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_factory_events *events, void *data)
Definition: factory.h:93
Definition: utils/dict.h:39
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:331