PipeWire: spa/pod/command.h Source File

PipeWire 0.3.59

command.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_COMMAND_H
26#define SPA_COMMAND_H
27
28#ifdef __cplusplus
29extern "C" {
30#endif
31
32#include <spa/utils/defs.h>
33#include <spa/pod/pod.h>
34
40struct spa_command_body {
41 struct spa_pod_object_body body;
42};
43
44struct spa_command {
45 struct spa_pod pod;
46 struct spa_command_body body;
47};
48
49#define SPA_COMMAND_TYPE(cmd) ((cmd)->body.body.type)
50#define SPA_COMMAND_ID(cmd,type) (SPA_COMMAND_TYPE(cmd) == (type) ? \
51 (cmd)->body.body.id : SPA_ID_INVALID)
52
53#define SPA_COMMAND_INIT_FULL(t,size,type,id,...) ((t) \
54 { { (size), SPA_TYPE_Object }, \
55 { { (type), (id) }, ##__VA_ARGS__ } })
56
57#define SPA_COMMAND_INIT(type,id) \
58 SPA_COMMAND_INIT_FULL(struct spa_command, \
59 sizeof(struct spa_command_body), type, id)
60
65#ifdef __cplusplus
66} /* extern "C" */
67#endif
68
69#endif /* SPA_COMMAND_H */
defs.h
spa/utils/defs.h
pod.h
spa/pod/pod.h
spa_command_body
Definition: command.h:45
spa_command_body::body
struct spa_pod_object_body body
Definition: command.h:46
spa_command
Definition: command.h:49
spa_command::body
struct spa_command_body body
Definition: command.h:51
spa_command::pod
struct spa_pod pod
Definition: command.h:50
spa_pod_object_body
Definition: pod.h:197
spa_pod
Definition: pod.h:63