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/******************************************************************************
*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
/**
*******************************************************************************
* @file
* ih264_dpb_mgr.h
*
* @brief
* Function declarations used for decoded picture buffer management
*
* @author
* Srinivas T
*
*
* @remarks
* None
*
*******************************************************************************
*/
#ifndef _IH264_DPB_MGR_H_
#define _IH264_DPB_MGR_H_
/* Temporary definitions. Have to be defined later */
#define MAX_DPB_BUFS (MAX_DPB_SIZE * 4)
#define MARK_ST_PICNUM_AS_NONREF 1
#define MARK_LT_INDEX_AS_NONREF 2
#define MARK_ST_PICNUM_AS_LT_INDEX 3
#define RESET_REF_PICTURES 5
typedef struct dpb_info_t dpb_info_t;
enum
{
INVALID = -1,
UNUSED_FOR_REF = 0 ,
LONG_TERM_REF ,
SHORT_TERM_REF ,
};
struct dpb_info_t
{
/**
* Pointer to picture buffer structure
*/
pic_buf_t *ps_pic_buf;
/**
* Link to the DPB buffer with previous link
*/
dpb_info_t *ps_prev_dpb;
};
typedef struct
{
/**
* Pointer to the most recent pic Num
*/
dpb_info_t *ps_dpb_short_term_head;
/**
* Pointer to the most recent pic Num
*/
dpb_info_t *ps_dpb_long_term_head;
/**
* Physical storage for dpbInfo for ref bufs
*/
dpb_info_t as_dpb_info[MAX_DPB_BUFS];
/**
* Array of structures for bottom field.
*/
pic_buf_t as_top_field_pics[MAX_DPB_BUFS];
/**
* Array of structures for bottom field.
*/
pic_buf_t as_bottom_field_pics[MAX_DPB_BUFS];
/**
* Number of short-term reference buffers
*/
UWORD8 u1_num_short_term_ref_bufs;
/**
* Number of long-term reference buffers
*/
UWORD8 u1_num_long_term_ref_bufs;
/**
* buffer ID current frame
*/
WORD32 i4_cur_frame_buf_id;
} dpb_mgr_t;
void ih264_dpb_mgr_init(dpb_mgr_t *ps_dpb_mgr);
WORD32 ih264_dpb_mgr_insert_ref_frame(dpb_mgr_t *ps_dpb_mgr,
pic_buf_t *ps_pic_buf,
WORD32 reference_type,
UWORD32 frame_num,
WORD32 long_term_frame_idx);
WORD32 ih264_dpb_mgr_delete_ref_frame(dpb_mgr_t *ps_dpb_mgr,
WORD32 reference_type);
WORD32 ih264_dpb_mgr_delete_all_ref_frames(dpb_mgr_t *ps_dpb_mgr);
WORD32 ih264_dpb_mgr_count_ref_frames(dpb_mgr_t *ps_dpb_mgr,
WORD32 curr_frame_num,
WORD32 max_frame_num);
WORD32 ih264_dpb_mgr_delete_short_ref_frame(dpb_mgr_t *ps_dpb_mgr,
WORD32 curr_frame_num,
WORD32 max_frame_num);
WORD32 ih264_dpb_mgr_insert_ref_field(dpb_mgr_t *ps_dpb_mgr,
pic_buf_t *ps_pic_buf,
WORD32 reference_type,
UWORD32 frame_num,
WORD32 long_term_frame_idx);
WORD32 ih264_dpb_mgr_delete_ref_field(dpb_mgr_t *ps_dpb_mgr,
WORD32 reference_type);
WORD32 ih264_dpb_mgr_alternate_ref_fields(dpb_mgr_t *ps_dpb_mgr,
WORD32 reference_type,
WORD32 first_field_type);
WORD32 ih264_dpb_mgr_sort_short_term_fields_by_frame_num(dpb_mgr_t *ps_dpb_mgr,
WORD32 curr_frame_num,
WORD32 first_field_type,
WORD32 max_frame_num);
WORD32 ih264_dpb_mgr_sort_short_term_fields_by_poc_l0(dpb_mgr_t *ps_dpb_mgr,
WORD32 curr_poc,
WORD32 first_field_type);
WORD32 ih264_dpb_mgr_sort_short_term_fields_by_poc_l1(dpb_mgr_t *ps_dpb_mgr,
WORD32 curr_poc,
WORD32 first_field_type);
WORD32 ih264_dpb_mgr_sort_long_term_fields_by_frame_idx(dpb_mgr_t *ps_dpb_mgr,
WORD32 first_field_type);
WORD32 ih264_dpb_mgr_delete_long_ref_fields_max_frame_idx(dpb_mgr_t *ps_dpb_mgr,
WORD32 max_frame_idx);
void ih264_dpb_mgr_del_ref(dpb_mgr_t *ps_dpb_mgr,
buf_mgr_t *ps_buf_mgr,
WORD32 u4_abs_poc);
pic_buf_t *ih264_dpb_mgr_get_ref_by_nearest_poc(dpb_mgr_t *ps_dpb_mgr,
WORD32 cur_abs_poc);
pic_buf_t *ih264_dpb_mgr_get_ref_by_poc(dpb_mgr_t *ps_dpb_mgr, WORD32 abs_poc);
pic_buf_t *ih264_dpb_mgr_get_ref_by_poc_lsb(dpb_mgr_t *ps_dpb_mgr,
WORD32 poc_lsb);
void ih264_dpb_mgr_reset(dpb_mgr_t *ps_dpb_mgr, buf_mgr_t *ps_buf_mgr);
void ih264_dpb_mgr_release_pics(buf_mgr_t *ps_buf_mgr, UWORD8 u1_disp_bufs);
#endif /* _IH264_DPB_MGR_H_ */
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