event.h

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/* Simple Plugin API */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
 
#ifndef SPA_EVENT_H
#define SPA_EVENT_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <spa/pod/pod.h>
 
struct spa_event_body {
        struct spa_pod_object_body body;
};
 
struct spa_event {
        struct spa_pod pod;
        struct spa_event_body body;
};
 
#define SPA_EVENT_TYPE(ev)      ((ev)->body.body.type)
#define SPA_EVENT_ID(ev,type)   (SPA_EVENT_TYPE(ev) == (type) ? \
                                        (ev)->body.body.id : SPA_ID_INVALID)
 
#define SPA_EVENT_INIT_FULL(t,size,type,id,...) ((t)                    \
        { { (size), SPA_TYPE_Object },                                  \
          { { (type), (id) }, ##__VA_ARGS__ } })                        \
 
#define SPA_EVENT_INIT(type,id)                                         \
        SPA_EVENT_INIT_FULL(struct spa_event,                           \
                        sizeof(struct spa_event_body), type, id)
 
#ifdef __cplusplus
}  /* extern "C" */
#endif
 
#endif /* SPA_EVENT_H */