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110 lines
2.8 KiB
110 lines
2.8 KiB
4 months ago
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/******************************************************************************
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*
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* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore
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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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/**
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*******************************************************************************
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* @file
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* ihevc_dpb_mgr.h
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*
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* @brief
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* Function declarations used for decoded picture buffer management
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*
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* @author
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* Srinivas T
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*
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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 _DPB_MANAGER_H
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#define _DPB_MANAGER_H
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/* Temporary definitions. Have to be defined later */
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#define MAX_DPB_BUFS (MAX_DPB_SIZE * 4)
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#define MARK_ST_PICNUM_AS_NONREF 1
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#define MARK_LT_INDEX_AS_NONREF 2
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#define MARK_ST_PICNUM_AS_LT_INDEX 3
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#define RESET_REF_PICTURES 5
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typedef struct dpb_info_t dpb_info_t;
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enum
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{
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UNUSED_FOR_REF = 0,
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LONG_TERM_REF,
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SHORT_TERM_REF,
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};
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struct dpb_info_t
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{
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/**
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* Pointer to picture buffer structure
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*/
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pic_buf_t *ps_pic_buf;
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/**
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* Link to the DPB buffer with previous pic Num
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*/
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dpb_info_t *ps_prev_dpb;
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};
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typedef struct
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{
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/**
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* Pointer to the most recent pic Num
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*/
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dpb_info_t *ps_dpb_head;
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/**
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* Physical storage for dpbInfo for ref bufs
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*/
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dpb_info_t as_dpb_info[MAX_DPB_BUFS];
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/**
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* Number of reference buffers
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*/
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UWORD8 u1_num_ref_bufs;
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}dpb_mgr_t;
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void ihevc_dpb_mgr_init(dpb_mgr_t *ps_dpb_mgr);
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WORD32 ihevc_dpb_mgr_insert_ref(dpb_mgr_t *ps_dpb_mgr,
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pic_buf_t *ps_pic_buf,
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WORD32 buf_id);
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void ihevc_dpb_mgr_del_ref(dpb_mgr_t *ps_dpb_mgr,
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buf_mgr_t *ps_buf_mgr,
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WORD32 u4_abs_poc);
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pic_buf_t* ihevc_dpb_mgr_get_ref_by_nearest_poc(dpb_mgr_t *ps_dpb_mgr, WORD32 cur_abs_poc);
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pic_buf_t* ihevc_dpb_mgr_get_ref_by_poc(dpb_mgr_t *ps_dpb_mgr, WORD32 abs_poc);
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pic_buf_t* ihevc_dpb_mgr_get_ref_by_poc_lsb(dpb_mgr_t *ps_dpb_mgr, WORD32 poc_lsb);
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void ihevc_dpb_mgr_reset(dpb_mgr_t *ps_dpb_mgr, buf_mgr_t *ps_buf_mgr);
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void ihevc_dpb_mgr_release_pics(buf_mgr_t *ps_buf_mgr, UWORD8 u1_disp_bufs);
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#endif /* _DPB_MANAGER_H */
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