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 34 struct spa_event_body { 35 struct spa_pod_object_body body; 36 }; 37 38 struct spa_event { 39 struct spa_pod pod; 40 struct spa_event_body body; 41 }; 42 43 #define SPA_EVENT_TYPE(ev) ((ev)->body.body.type) 44 #define SPA_EVENT_ID(ev,type) (SPA_EVENT_TYPE(ev) == type ? \ 45 (ev)->body.body.id : SPA_ID_INVALID) 46 47 #define SPA_EVENT_INIT_FULL(t,size,type,id,...) (t) \ 48 { { size, SPA_TYPE_OBJECT }, \ 49 { { type, id }, ##__VA_ARGS__ } } \ 50 51 #define SPA_EVENT_INIT(type,id) \ 52 SPA_EVENT_INIT_FULL(struct spa_event, \ 53 sizeof(struct spa_event_body), type, id) 54 55 #ifdef __cplusplus 56 } /* extern "C" */ 57 #endif 58 59 #endif /* SPA_EVENT_H */ 60