1 /* 2 * Copyright 2016 Rockchip Electronics Co. LTD 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef __RC_DATA_BASE_H__ 18 #define __RC_DATA_BASE_H__ 19 20 #include "rk_type.h" 21 #include "mpp_err.h" 22 23 /* 24 * cyclic fifo buffer management 25 * Not use new [] for memory management with mpp_malloc/mpp_free 26 */ 27 typedef struct NodeGroup_t { 28 /* size of the whole data node in byte */ 29 RK_S32 node_size; 30 31 /* max number of node */ 32 RK_S32 node_count; 33 34 void *first; 35 void *last; 36 } NodeGroup; 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 MPP_RET node_group_init(NodeGroup **grp, RK_S32 node_size, RK_S32 node_count); 43 MPP_RET node_group_deinit(NodeGroup *p); 44 45 void *node_group_get(NodeGroup *p, RK_S32 idx); 46 MPP_RET node_group_check(NodeGroup *p, void *node); 47 48 #ifdef __cplusplus 49 } 50 #endif 51 52 #endif /* __RC_DATA_BASE_H__ */ 53