PipeWire  0.3.61
global.h
Go to the documentation of this file.
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_GLOBAL_H
26 #define PIPEWIRE_GLOBAL_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
57 struct pw_global;
58 
59 #include <pipewire/impl.h>
60 
61 typedef int (*pw_global_bind_func_t) (void *object,
62  struct pw_impl_client *client,
63  uint32_t permissions,
64  uint32_t version,
65  uint32_t id );
66 
68 struct pw_global_events {
69 #define PW_VERSION_GLOBAL_EVENTS 0
70  uint32_t version;
71 
73  void (*destroy) (void *data);
75  void (*free) (void *data);
77  void (*permissions_changed) (void *data,
78  struct pw_impl_client *client,
79  uint32_t old_permissions,
80  uint32_t new_permissions);
81 };
82 
84 struct pw_global *
85 pw_global_new(struct pw_context *context,
86  const char *type,
87  uint32_t version,
88  struct pw_properties *properties,
90  void *object );
91 
93 int pw_global_register(struct pw_global *global);
94 
96 void pw_global_add_listener(struct pw_global *global,
97  struct spa_hook *listener,
98  const struct pw_global_events *events,
99  void *data);
100 
102 uint32_t pw_global_get_permissions(struct pw_global *global, struct pw_impl_client *client);
103 
105 struct pw_context *pw_global_get_context(struct pw_global *global);
106 
108 const char *pw_global_get_type(struct pw_global *global);
109 
111 bool pw_global_is_type(struct pw_global *global, const char *type);
112 
114 uint32_t pw_global_get_version(struct pw_global *global);
115 
117 const struct pw_properties *pw_global_get_properties(struct pw_global *global);
118 
120 int pw_global_update_keys(struct pw_global *global,
121  const struct spa_dict *dict, const char * const keys[]);
122 
125 void *pw_global_get_object(struct pw_global *global);
126 
128 uint32_t pw_global_get_id(struct pw_global *global);
129 
131 uint64_t pw_global_get_serial(struct pw_global *global);
132 
134 int pw_global_add_resource(struct pw_global *global, struct pw_resource *resource);
135 
140 int pw_global_for_each_resource(struct pw_global *global,
141  int (*callback) (void *data, struct pw_resource *resource),
142  void *data);
143 
145 int pw_global_bind(struct pw_global *global,
146  struct pw_impl_client *client,
147  uint32_t permissions,
148  uint32_t version,
149  uint32_t id);
150 
151 int pw_global_update_permissions(struct pw_global *global, struct pw_impl_client *client,
152  uint32_t old_permissions, uint32_t new_permissions);
153 
155 void pw_global_destroy(struct pw_global *global);
156 
161 #ifdef __cplusplus
162 }
163 #endif
164 
165 #endif /* PIPEWIRE_GLOBAL_H */
int pw_global_bind(struct pw_global *global, struct pw_impl_client *client, uint32_t permissions, uint32_t version, uint32_t id)
Let a client bind to a global.
Definition: global.c:314
const char * pw_global_get_type(struct pw_global *global)
Get the global type.
Definition: global.c:222
uint32_t pw_global_get_permissions(struct pw_global *global, struct pw_impl_client *client)
Get the permissions of the global for a given client.
Definition: global.c:46
int(* pw_global_bind_func_t)(void *object, struct pw_impl_client *client, uint32_t permissions, uint32_t version, uint32_t id)
Definition: global.h:66
uint64_t pw_global_get_serial(struct pw_global *global)
Get the serial number of the global.
Definition: global.c:121
struct pw_global * pw_global_new(struct pw_context *context, const char *type, uint32_t version, struct pw_properties *properties, pw_global_bind_func_t func, void *object)
Create a new global object.
Definition: global.c:67
uint32_t pw_global_get_version(struct pw_global *global)
Get the global version.
Definition: global.c:234
void pw_global_add_listener(struct pw_global *global, struct spa_hook *listener, const struct pw_global_events *events, void *data)
Add an event listener on the global.
Definition: global.c:292
uint32_t pw_global_get_id(struct pw_global *global)
Get the unique id of the global.
Definition: global.c:261
void pw_global_destroy(struct pw_global *global)
Destroy a global.
Definition: global.c:406
int pw_global_for_each_resource(struct pw_global *global, int(*callback)(void *data, struct pw_resource *resource), void *data)
Iterate all resources added to the global The callback should return 0 to fetch the next item,...
Definition: global.c:278
int pw_global_update_permissions(struct pw_global *global, struct pw_impl_client *client, uint32_t old_permissions, uint32_t new_permissions)
Definition: global.c:351
int pw_global_add_resource(struct pw_global *global, struct pw_resource *resource)
Add a resource to a global.
Definition: global.c:267
const struct pw_properties * pw_global_get_properties(struct pw_global *global)
Get the global properties.
Definition: global.c:240
struct pw_context * pw_global_get_context(struct pw_global *global)
Get the context object of this global.
Definition: global.c:216
void * pw_global_get_object(struct pw_global *global)
Get the object associated with the global.
Definition: global.c:255
bool pw_global_is_type(struct pw_global *global, const char *type)
Check a global type.
Definition: global.c:228
int pw_global_update_keys(struct pw_global *global, const struct spa_dict *dict, const char *const keys[])
Update the global properties, must be done when unregistered.
Definition: global.c:246
int pw_global_register(struct pw_global *global)
Register a global object to the context registry.
Definition: global.c:138
pipewire/impl.h
Global events, use pw_global_add_listener.
Definition: global.h:73
void(* free)(void *data)
The global is freed.
Definition: global.h:81
void(* destroy)(void *data)
The global is destroyed.
Definition: global.h:79
uint32_t version
Definition: global.h:76
void(* permissions_changed)(void *data, struct pw_impl_client *client, uint32_t old_permissions, uint32_t new_permissions)
The permissions changed for a client.
Definition: global.h:83
Definition: context.h:67
Definition: properties.h:53
struct spa_dict dict
dictionary of key/values
Definition: properties.h:54
Definition: impl.h:49
Definition: dict.h:59
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:351