PipeWire  0.3.59
event.h
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1 /* Simple Plugin API
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 SPA_EVENT_H
26 #define SPA_EVENT_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
32 #include <spa/pod/pod.h>
33 
39 struct spa_event_body {
41 };
42 
43 struct spa_event {
44  struct spa_pod pod;
45  struct spa_event_body body;
46 };
47 
48 #define SPA_EVENT_TYPE(ev) ((ev)->body.body.type)
49 #define SPA_EVENT_ID(ev,type) (SPA_EVENT_TYPE(ev) == (type) ? \
50  (ev)->body.body.id : SPA_ID_INVALID)
51 
52 #define SPA_EVENT_INIT_FULL(t,size,type,id,...) (t) \
53  { { size, SPA_TYPE_OBJECT }, \
54  { { type, id }, ##__VA_ARGS__ } } \
55 
56 #define SPA_EVENT_INIT(type,id) \
57  SPA_EVENT_INIT_FULL(struct spa_event, \
58  sizeof(struct spa_event_body), type, id)
59 
64 #ifdef __cplusplus
65 } /* extern "C" */
66 #endif
67 
68 #endif /* SPA_EVENT_H */
spa/pod/pod.h
Definition: event.h:44
struct spa_pod_object_body body
Definition: event.h:45
Definition: event.h:48
struct spa_event_body body
Definition: event.h:50
struct spa_pod pod
Definition: event.h:49
Definition: pod.h:197
Definition: pod.h:63