1 /****************************************************************************** 2 * 3 * Copyright (C) 2015 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 23 * impeg2_job_queue.h 24 * 25 * @brief 26 * Contains functions for job queue 27 * 28 * @author 29 * Harish 30 * 31 * @par List of Functions: 32 * 33 * @remarks 34 * None 35 * 36 ******************************************************************************* 37 */ 38 39 #ifndef _IMPEG2_JOB_QUEUE_H_ 40 #define _IMPEG2_JOB_QUEUE_H_ 41 42 typedef struct 43 { 44 /** Pointer to buffer base which contains the jobs */ 45 void *pv_buf_base; 46 47 /** Pointer to current address where new job can be added */ 48 void *pv_buf_wr; 49 50 /** Pointer to current address from where next job can be obtained */ 51 void *pv_buf_rd; 52 53 /** Pointer to end of job buffer */ 54 void *pv_buf_end; 55 56 /** Mutex used to keep the functions thread-safe */ 57 void *pv_mutex; 58 59 /** Flag to indicate jobq has to be terminated */ 60 WORD32 i4_terminate; 61 }jobq_t; 62 63 WORD32 impeg2_jobq_ctxt_size(void); 64 void* impeg2_jobq_init(void *pv_buf, WORD32 buf_size); 65 IV_API_CALL_STATUS_T impeg2_jobq_free(jobq_t *ps_jobq); 66 IV_API_CALL_STATUS_T impeg2_jobq_reset(jobq_t *ps_jobq); 67 IV_API_CALL_STATUS_T impeg2_jobq_deinit(jobq_t *ps_jobq); 68 IV_API_CALL_STATUS_T impeg2_jobq_terminate(jobq_t *ps_jobq); 69 IV_API_CALL_STATUS_T impeg2_jobq_queue(jobq_t *ps_jobq, void *pv_job, WORD32 job_size, WORD32 blocking, WORD32 lock); 70 IV_API_CALL_STATUS_T impeg2_jobq_dequeue(jobq_t *ps_jobq, void *pv_job, WORD32 job_size, WORD32 blocking, WORD32 lock); 71 72 #endif /* _IMPEG2_JOB_QUEUE_H_ */ 73