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94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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/**
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*******************************************************************************
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* @file
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* ih264_list.h
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*
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* @brief
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* Contains functions for buf queue
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*
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* @author
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* Harish
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*
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* @par List of Functions:
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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#ifndef _IH264_LIST_H_
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#define _IH264_LIST_H_
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typedef struct
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{
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/** Pointer to buffer base which contains the bufs */
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void *pv_buf_base;
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/** Mutex used to keep the functions thread-safe */
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void *pv_mutex;
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/** Current write index */
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volatile WORD32 i4_buf_wr_idx;
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/** Current read index */
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volatile WORD32 i4_buf_rd_idx;
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/** Maximum index */
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WORD32 i4_buf_max_idx;
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/** Log2(buf_max_idx) -
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* To ensure number of entries is power of two
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* This makes it easier to wrap around by using AND with buf_max_idx - 1
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* */
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WORD32 i4_log2_buf_max_idx;
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/** Flag to indicate list has to be terminated */
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WORD32 i4_terminate;
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/** Size of each entry */
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WORD32 i4_entry_size;
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/** If the list is to be used frequently send this as zero, else send a large value
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* to ensure cores are not loaded unnecessarily.
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* For eg: For picture level queues this can be a large value like 100us
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* but for jobq this will be zero.
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*/
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WORD32 i4_yeild_interval_us;
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}list_t;
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WORD32 ih264_list_size(WORD32 num_entries, WORD32 entry_size);
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void* ih264_list_init(void *pv_buf,
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WORD32 buf_size,
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WORD32 num_entries,
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WORD32 entry_size,
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WORD32 yeild_interval_us);
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IH264_ERROR_T ih264_list_free(list_t *ps_list);
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IH264_ERROR_T ih264_list_reset(list_t *ps_list);
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IH264_ERROR_T ih264_list_deinit(list_t *ps_list);
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IH264_ERROR_T ih264_list_terminate(list_t *ps_list);
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IH264_ERROR_T ih264_list_queue(list_t *ps_list, void *pv_buf, WORD32 blocking);
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IH264_ERROR_T ih264_list_dequeue(list_t *ps_list, void *pv_buf, WORD32 blocking);
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#endif /* _IH264_PROCESS_SLICE_H_ */
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