PipeWire: spa/pod/event.h Source File

PipeWire 0.3.51

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
29extern "C" {
30#endif
31
32#include <spa/pod/pod.h>
33
39struct spa_event_body {
40 struct spa_pod_object_body body;
41};
42
43struct 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 */
pod.h
spa/pod/pod.h
spa_event_body
Definition: event.h:44
spa_event_body::body
struct spa_pod_object_body body
Definition: event.h:45
spa_event
Definition: event.h:48
spa_event::body
struct spa_event_body body
Definition: event.h:50
spa_event::pod
struct spa_pod pod
Definition: event.h:49
spa_pod_object_body
Definition: pod.h:197
spa_pod
Definition: pod.h:63