1 /* 2 * 3 * Copyright 2013 Rockchip Electronics Co., LTD. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 /* 19 * @file Rockchip_OSAL_Queue.h 20 * @brief 21 * @author csy(csy@rock-chips.com) 22 * @version 1.0.0 23 * @history 24 * 2013.11.26 : Create 25 */ 26 27 #ifndef ROCKCHIP_OSAL_QUEUE 28 #define ROCKCHIP_OSAL_QUEUE 29 30 #include "OMX_Types.h" 31 #include "OMX_Core.h" 32 33 #define QUEUE_ELEMENTS 10 34 #define MAX_QUEUE_ELEMENTS 40 35 36 typedef struct _ROCKCHIP_QElem { 37 void *data; 38 struct _ROCKCHIP_QElem *qNext; 39 } ROCKCHIP_QElem; 40 41 typedef struct _ROCKCHIP_QUEUE { 42 ROCKCHIP_QElem *first; 43 ROCKCHIP_QElem *last; 44 int numElem; 45 int maxNumElem; 46 OMX_HANDLETYPE qMutex; 47 } ROCKCHIP_QUEUE; 48 49 50 #ifdef __cplusplus 51 extern "C" { 52 #endif 53 54 OMX_ERRORTYPE Rockchip_OSAL_QueueCreate(ROCKCHIP_QUEUE *queueHandle, int maxNumElem); 55 OMX_ERRORTYPE Rockchip_OSAL_QueueTerminate(ROCKCHIP_QUEUE *queueHandle); 56 int Rockchip_OSAL_Queue(ROCKCHIP_QUEUE *queueHandle, void *data); 57 void *Rockchip_OSAL_Dequeue(ROCKCHIP_QUEUE *queueHandle); 58 int Rockchip_OSAL_GetElemNum(ROCKCHIP_QUEUE *queueHandle); 59 int Rockchip_OSAL_SetElemNum(ROCKCHIP_QUEUE *queueHandle, int ElemNum); 60 int Rockchip_OSAL_ResetQueue(ROCKCHIP_QUEUE *queueHandle); 61 62 #ifdef __cplusplus 63 } 64 #endif 65 66 #endif 67