PipeWire  0.3.66
src/pipewire/control.h
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1 /* PipeWire */
2 /* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
3 /* SPDX-License-Identifier: MIT */
4 
5 #ifndef PIPEWIRE_CONTROL_H
6 #define PIPEWIRE_CONTROL_H
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
12 #include <spa/utils/hook.h>
13 
23 struct pw_control;
24 
25 #include <pipewire/impl.h>
26 
28 struct pw_control_events {
29 #define PW_VERSION_CONTROL_EVENTS 0
30  uint32_t version;
31 
33  void (*destroy) (void *data);
34 
36  void (*free) (void *data);
37 
39  void (*linked) (void *data, struct pw_control *other);
41  void (*unlinked) (void *data, struct pw_control *other);
42 
43 };
44 
46 struct pw_impl_port *pw_control_get_port(struct pw_control *control);
47 
49 void pw_control_add_listener(struct pw_control *control,
50  struct spa_hook *listener,
51  const struct pw_control_events *events,
52  void *data);
53 
58 #ifdef __cplusplus
59 }
60 #endif
61 
62 #endif /* PIPEWIRE_CONTROL_H */
struct pw_impl_port * pw_control_get_port(struct pw_control *control)
Get the control parent port or NULL when not set.
Definition: control.c:112
void pw_control_add_listener(struct pw_control *control, struct spa_hook *listener, const struct pw_control_events *events, void *data)
Add an event listener on the control.
Definition: control.c:118
spa/utils/hook.h
pipewire/impl.h
Port events, use pw_control_add_listener.
Definition: src/pipewire/control.h:33
void(* unlinked)(void *data, struct pw_control *other)
control is unlinked from another control
Definition: src/pipewire/control.h:47
uint32_t version
Definition: src/pipewire/control.h:36
void(* free)(void *data)
The control is freed.
Definition: src/pipewire/control.h:42
void(* destroy)(void *data)
The control is destroyed.
Definition: src/pipewire/control.h:39
void(* linked)(void *data, struct pw_control *other)
control is linked to another control
Definition: src/pipewire/control.h:45
Definition: impl.h:27
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:331