1 /****************************************************************************** 2 * 3 * Copyright (C) 2018 The Android Open Source Project 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 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19 */ 20 /*! 21 ****************************************************************************** 22 * \file ihevce_buffer_que_interface.h 23 * 24 * \brief 25 * This file contains interface prototypes of Buffer Queue manager functions 26 * 27 * \date 28 * 18/09/2012 29 * 30 * \author 31 * Ittiam 32 * 33 ****************************************************************************** 34 */ 35 36 #ifndef _IHEVCE_BUFFER_QUE_INTERFACE_H_ 37 #define _IHEVCE_BUFFER_QUE_INTERFACE_H_ 38 39 /*****************************************************************************/ 40 /* Extern Function Declarations */ 41 /*****************************************************************************/ 42 43 /* Create APIs */ 44 WORD32 ihevce_buff_que_get_num_mem_recs(void); 45 46 WORD32 ihevce_buff_que_get_mem_recs( 47 iv_mem_rec_t *ps_mem_tab, WORD32 max_num_bufs_in_que, WORD32 i4_mem_space); 48 49 void *ihevce_buff_que_init(iv_mem_rec_t *ps_mem_tab, WORD32 num_bufs_in_que, void **ppv_buff_ptrs); 50 51 /* Process APIs */ 52 void *ihevce_buff_que_get_free_buf(void *pv_buf_que, WORD32 *pi4_id); 53 54 void *ihevce_buff_que_get_next_buf(void *pv_buf_que, WORD32 *pi4_id); 55 56 void *ihevce_buff_que_get_next_reorder_buf(void *pv_buf_que, WORD32 *pi4_id); 57 58 WORD32 ihevce_buff_que_set_buf_prod(void *pv_buf_que, WORD32 buf_id, WORD32 num_users); 59 /*!< Note :The manager assumes that once a buffer is requested from Q atleast 60 * one consumer will consume it. so num_uers should be 0 when buffer has only 61 * one consumer, In general num_users should be passed as MAX num 62 * consumers - 1 */ 63 64 WORD32 ihevce_buff_que_rel_buf(void *pv_buf_que, WORD32 buf_id); 65 66 WORD32 ihevce_buff_que_get_active_bufs(void *pv_buf_que); 67 68 WORD32 ihevce_buff_que_set_reorder_buf(void *pv_buf_que, WORD32 buf_id); 69 70 void *ihevce_buff_que_get_buf(void *pv_buf_que, WORD32 i4_id); 71 72 #endif /* _IHEVCE_BUFFER_QUE_INTERFACE_H_ */ 73