PipeWire  0.3.45
client.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
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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:
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23  */
24 
25 #ifndef PIPEWIRE_CLIENT_H
26 #define PIPEWIRE_CLIENT_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
32 #include <spa/utils/defs.h>
33 #include <spa/param/param.h>
34 
35 #include <pipewire/proxy.h>
36 #include <pipewire/permission.h>
37 
46 #define PW_TYPE_INTERFACE_Client PW_TYPE_INFO_INTERFACE_BASE "Client"
47 
48 #define PW_VERSION_CLIENT 3
49 struct pw_client;
50 
51 /* default ID of the current client after connect */
52 #define PW_ID_CLIENT 1
53 
56  uint32_t id;
57 #define PW_CLIENT_CHANGE_MASK_PROPS (1 << 0)
58 #define PW_CLIENT_CHANGE_MASK_ALL ((1 << 1)-1)
59  uint64_t change_mask;
60  struct spa_dict *props;
61 };
62 
66  const struct pw_client_info *update);
70  const struct pw_client_info *update, bool reset);
72 void pw_client_info_free(struct pw_client_info *info);
73 
74 
75 #define PW_CLIENT_EVENT_INFO 0
76 #define PW_CLIENT_EVENT_PERMISSIONS 1
77 #define PW_CLIENT_EVENT_NUM 2
78 
80 struct pw_client_events {
81 #define PW_VERSION_CLIENT_EVENTS 0
82  uint32_t version;
88  void (*info) (void *object, const struct pw_client_info *info);
99  void (*permissions) (void *object,
100  uint32_t index,
101  uint32_t n_permissions,
102  const struct pw_permission *permissions);
103 };
104 
105 
106 #define PW_CLIENT_METHOD_ADD_LISTENER 0
107 #define PW_CLIENT_METHOD_ERROR 1
108 #define PW_CLIENT_METHOD_UPDATE_PROPERTIES 2
109 #define PW_CLIENT_METHOD_GET_PERMISSIONS 3
110 #define PW_CLIENT_METHOD_UPDATE_PERMISSIONS 4
111 #define PW_CLIENT_METHOD_NUM 5
112 
114 struct pw_client_methods {
115 #define PW_VERSION_CLIENT_METHODS 0
116  uint32_t version;
117 
118  int (*add_listener) (void *object,
119  struct spa_hook *listener,
120  const struct pw_client_events *events,
121  void *data);
129  int (*error) (void *object, uint32_t id, int res, const char *message);
135  int (*update_properties) (void *object, const struct spa_dict *props);
136 
145  int (*get_permissions) (void *object, uint32_t index, uint32_t num);
159  int (*update_permissions) (void *object, uint32_t n_permissions,
160  const struct pw_permission *permissions);
161 };
162 
163 #define pw_client_method(o,method,version,...) \
164 ({ \
165  int _res = -ENOTSUP; \
166  spa_interface_call_res((struct spa_interface*)o, \
167  struct pw_client_methods, _res, \
168  method, version, ##__VA_ARGS__); \
169  _res; \
170 })
171 
172 #define pw_client_add_listener(c,...) pw_client_method(c,add_listener,0,__VA_ARGS__)
173 #define pw_client_error(c,...) pw_client_method(c,error,0,__VA_ARGS__)
174 #define pw_client_update_properties(c,...) pw_client_method(c,update_properties,0,__VA_ARGS__)
175 #define pw_client_get_permissions(c,...) pw_client_method(c,get_permissions,0,__VA_ARGS__)
176 #define pw_client_update_permissions(c,...) pw_client_method(c,update_permissions,0,__VA_ARGS__)
177 
182 #ifdef __cplusplus
183 } /* extern "C" */
184 #endif
185 
186 #endif /* PIPEWIRE_CLIENT_H */
spa/utils/defs.h
void pw_client_info_free(struct pw_client_info *info)
Free a pw_client_info.
Definition: introspect.c:505
struct pw_client_info * pw_client_info_merge(struct pw_client_info *info, const struct pw_client_info *update, bool reset)
Merge an existing pw_client_info with update.
Definition: introspect.c:472
struct pw_client_info * pw_client_info_update(struct pw_client_info *info, const struct pw_client_info *update)
Update an existing pw_client_info with update with reset.
Definition: introspect.c:498
spa/param/param.h
pipewire/permission.h
pipewire/proxy.h
Client events.
Definition: client.h:93
uint32_t version
Definition: client.h:96
void(* info)(void *object, const struct pw_client_info *info)
Notify client info.
Definition: client.h:102
void(* permissions)(void *object, uint32_t index, uint32_t n_permissions, const struct pw_permission *permissions)
Notify a client permission.
Definition: client.h:113
The client information.
Definition: client.h:63
uint32_t id
id of the global
Definition: client.h:64
uint64_t change_mask
bitfield of changed fields since last call
Definition: client.h:69
Client methods.
Definition: client.h:134
int(* update_properties)(void *object, const struct spa_dict *props)
Update client properties.
Definition: client.h:156
int(* update_permissions)(void *object, uint32_t n_permissions, const struct pw_permission *permissions)
Manage the permissions of the global objects for this client.
Definition: client.h:180
int(* error)(void *object, uint32_t id, int res, const char *message)
Send an error to a client.
Definition: client.h:150
int(* get_permissions)(void *object, uint32_t index, uint32_t num)
Get client permissions.
Definition: client.h:166
uint32_t version
Definition: client.h:137
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_client_events *events, void *data)
Definition: client.h:139
Definition: permission.h:80
uint32_t permissions
bitmask of above permissions
Definition: permission.h:82
Definition: dict.h:59
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:342