PipeWire  0.3.24
data-loop.h
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1 /* PipeWire
2  *
3  * Copyright © 2018 Wim Taymans
4  *
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24 
25 #ifndef PIPEWIRE_DATA_LOOP_H
26 #define PIPEWIRE_DATA_LOOP_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
32 #include <spa/utils/hook.h>
33 
39 struct pw_data_loop;
40 
41 #include <pipewire/loop.h>
42 #include <pipewire/properties.h>
43 
46 #define PW_VERSION_DATA_LOOP_EVENTS 0
47  uint32_t version;
49  void (*destroy) (void *data);
50 };
51 
53 struct pw_data_loop *
54 pw_data_loop_new(const struct spa_dict *props);
55 
57 void pw_data_loop_add_listener(struct pw_data_loop *loop,
58  struct spa_hook *listener,
59  const struct pw_data_loop_events *events,
60  void *data);
61 
64 int pw_data_loop_wait(struct pw_data_loop *loop, int timeout);
65 
67 void pw_data_loop_exit(struct pw_data_loop *loop);
68 
70 struct pw_loop *
72 
75 
78 
81 
84 
88  spa_invoke_func_t func, uint32_t seq, const void *data, size_t size,
89  bool block, void *user_data);
90 
91 #ifdef __cplusplus
92 }
93 #endif
94 
95 #endif /* PIPEWIRE_DATA_LOOP_H */
SPA_EXPORT int pw_data_loop_stop(struct pw_data_loop *loop)
Stop a data loop.
Definition: data-loop.c:230
int pw_data_loop_invoke(struct pw_data_loop *loop, spa_invoke_func_t func, uint32_t seq, const void *data, size_t size, bool block, void *user_data)
invoke func in the context of the thread or in the caller thread when the loop is not running...
Definition: data-loop.c:262
void pw_data_loop_exit(struct pw_data_loop *loop)
make sure the thread will exit.
Definition: data-loop.c:55
int pw_data_loop_wait(struct pw_data_loop *loop, int timeout)
wait for activity on the loop up to timeout milliseconds.
Definition: data-loop.c:36
SPA_EXPORT int pw_data_loop_start(struct pw_data_loop *loop)
Start a data loop.
Definition: data-loop.c:206
PipeWire loop object provides an implementation of the spa loop interfaces.
Definition: loop.h:41
uint32_t version
Definition: data-loop.h:47
struct spa_loop * loop
wrapped loop
Definition: loop.h:43
SPA_EXPORT struct pw_data_loop * pw_data_loop_new(const struct spa_dict *props)
Create a new pw_data_loop.
Definition: data-loop.c:153
void(* destroy)(void *data)
The loop is destroyed.
Definition: data-loop.h:49
static uint32_t int seq
Definition: core.h:325
SPA_EXPORT void pw_data_loop_destroy(struct pw_data_loop *loop)
Destroy a data loop.
Definition: data-loop.c:164
Loop events, use pw_data_loop_add_listener to add a listener.
Definition: data-loop.h:45
void pw_data_loop_add_listener(struct pw_data_loop *loop, struct spa_hook *listener, const struct pw_data_loop_events *events, void *data)
Add an event listener to loop.
Definition: data-loop.c:183
PipeWire rt-loop object.
struct pw_loop * pw_data_loop_get_loop(struct pw_data_loop *loop)
Get the loop implementation of this data loop.
Definition: data-loop.c:192
SPA_EXPORT bool pw_data_loop_in_thread(struct pw_data_loop *loop)
Check if we are inside the data loop.
Definition: data-loop.c:256
Definition: filter.c:74