command.h
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/* Simple Plugin API
*
* Copyright © 2018 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef SPA_COMMAND_H
#define SPA_COMMAND_H
#ifdef __cplusplus
extern "C" {
#endif
#include <spa/utils/defs.h>
#include <spa/pod/pod.h>
struct spa_command_body {
struct spa_pod_object_body body;
};
struct spa_command {
struct spa_pod pod;
struct spa_command_body body;
};
#define SPA_COMMAND_TYPE(cmd) ((cmd)->body.body.type)
#define SPA_COMMAND_ID(cmd,type) (SPA_COMMAND_TYPE(cmd) == type ? \
(cmd)->body.body.id : SPA_ID_INVALID)
#define SPA_COMMAND_INIT_FULL(t,size,type,id,...) (t) \
{ { size, SPA_TYPE_Object }, \
{ { type, id }, ##__VA_ARGS__ } } \
#define SPA_COMMAND_INIT(type,id) \
SPA_COMMAND_INIT_FULL(struct spa_command, \
sizeof(struct spa_command_body), type, id)
#ifdef __cplusplus
} /* extern "C" */
#endif
#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