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93 lines
2.8 KiB
93 lines
2.8 KiB
/****************************************************************************** |
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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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