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521 lines
18 KiB
521 lines
18 KiB
/******************************************************************************
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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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* ihevcd_api.c
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*
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* @brief
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* Contains functions definitions for reference list generation
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*
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* @author
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* Srinivas T
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*
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* @par List of Functions:\
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* - ihevcd_ref_pic
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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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/*****************************************************************************/
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/* File Includes */
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/*****************************************************************************/
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#include <stdio.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "ihevc_typedefs.h"
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#include "iv.h"
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#include "ivd.h"
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#include "ihevcd_cxa.h"
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#include "ihevc_defs.h"
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#include "ihevc_debug.h"
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#include "ihevc_defs.h"
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#include "ihevc_macros.h"
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#include "ihevc_platform_macros.h"
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#include "ihevc_structs.h"
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#include "ihevc_buf_mgr.h"
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#include "ihevc_dpb_mgr.h"
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#include "ihevcd_trace.h"
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#include "ihevcd_defs.h"
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#include "ihevc_cabac_tables.h"
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#include "ihevcd_function_selector.h"
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#include "ihevcd_structs.h"
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#include "ihevcd_error.h"
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#include "ihevcd_nal.h"
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#include "ihevcd_bitstream.h"
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#include "ihevcd_debug.h"
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#include "ihevcd_error.h"
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mv_buf_t* ihevcd_mv_mgr_get_poc(buf_mgr_t *ps_mv_buf_mgr, UWORD32 abs_poc)
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{
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UWORD32 i;
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mv_buf_t *ps_mv_buf = NULL;
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for(i = 0; i < ps_mv_buf_mgr->u4_max_buf_cnt; i++)
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{
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ps_mv_buf = (mv_buf_t *)ps_mv_buf_mgr->apv_ptr[i];
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if(ps_mv_buf && (ps_mv_buf->i4_abs_poc == (WORD32)abs_poc))
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{
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break;
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}
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}
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return ps_mv_buf;
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}
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WORD32 ihevcd_ref_list(codec_t *ps_codec, pps_t *ps_pps, sps_t *ps_sps, slice_header_t *ps_slice_hdr)
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{
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WORD32 i, j;
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WORD32 st_rps_idx;
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WORD32 num_neg_pics, num_pos_pics;
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WORD8 *pi1_used;
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WORD16 *pi2_delta_poc;
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UWORD32 u4_max_poc_lsb;
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pic_buf_t *ps_pic_buf;
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mv_buf_t *ps_mv_buf;
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UWORD32 r_idx;
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dpb_mgr_t *ps_dpb_mgr = (dpb_mgr_t *)ps_codec->pv_dpb_mgr;
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buf_mgr_t *ps_mv_buf_mgr = (buf_mgr_t *)ps_codec->pv_mv_buf_mgr;
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WORD32 ai4_poc_st_curr_before[MAX_DPB_SIZE], ai4_poc_st_foll[MAX_DPB_SIZE], ai4_poc_st_curr_after[MAX_DPB_SIZE];
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WORD32 ai4_poc_lt_curr[MAX_DPB_SIZE], ai4_poc_lt_foll[MAX_DPB_SIZE];
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UWORD32 u4_num_st_curr_before, u4_num_st_foll, u4_num_st_curr_after, u4_num_lt_curr, u4_num_lt_foll;
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UWORD32 u4_num_total_curr;
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WORD8 ai1_curr_delta_poc_msb_present_flag[MAX_DPB_SIZE], ai1_foll_delta_poc_msb_present_flag[MAX_DPB_SIZE];
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pic_buf_t *as_ref_pic_lt_curr[MAX_DPB_SIZE];
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pic_buf_t *as_ref_pic_lt_foll[MAX_DPB_SIZE];
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pic_buf_t *as_ref_pic_st_curr_after[MAX_DPB_SIZE];
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pic_buf_t *as_ref_pic_st_curr_before[MAX_DPB_SIZE];
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pic_buf_t *as_ref_pic_st_foll[MAX_DPB_SIZE];
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pic_buf_t *as_ref_pic_list_temp0[MAX_DPB_SIZE], *as_ref_pic_list_temp1[MAX_DPB_SIZE];
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UWORD32 u4_num_rps_curr_temp_list0, u4_num_rps_curr_temp_list1;
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WORD32 i4_pic_order_cnt_val;
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WORD32 i4_poc_lt;
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UNUSED(as_ref_pic_lt_foll);
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UNUSED(as_ref_pic_st_foll);
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UNUSED(ps_pps);
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RETURN_IF_NAL_INFO;
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u4_max_poc_lsb = (1 << ps_sps->i1_log2_max_pic_order_cnt_lsb);
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i4_pic_order_cnt_val = ps_slice_hdr->i4_abs_pic_order_cnt;
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if(1 == ps_slice_hdr->i1_short_term_ref_pic_set_sps_flag)
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{
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st_rps_idx = ps_slice_hdr->i1_short_term_ref_pic_set_idx;
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num_neg_pics = ps_sps->as_stref_picset[st_rps_idx].i1_num_neg_pics;
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num_pos_pics = ps_sps->as_stref_picset[st_rps_idx].i1_num_pos_pics;
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pi1_used = ps_sps->as_stref_picset[st_rps_idx].ai1_used;
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pi2_delta_poc = ps_sps->as_stref_picset[st_rps_idx].ai2_delta_poc;
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}
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else
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{
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st_rps_idx = ps_sps->i1_num_short_term_ref_pic_sets;
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num_neg_pics = ps_slice_hdr->s_stref_picset.i1_num_neg_pics;
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num_pos_pics = ps_slice_hdr->s_stref_picset.i1_num_pos_pics;
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pi1_used = ps_slice_hdr->s_stref_picset.ai1_used;
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pi2_delta_poc = ps_slice_hdr->s_stref_picset.ai2_delta_poc;
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}
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u4_num_st_curr_before = 0;
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u4_num_st_foll = 0;
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for(i = 0; i < num_neg_pics; i++)
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{
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if(pi1_used[i])
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{
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ai4_poc_st_curr_before[u4_num_st_curr_before] = i4_pic_order_cnt_val + pi2_delta_poc[i];
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u4_num_st_curr_before++;
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}
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else
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{
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ai4_poc_st_foll[u4_num_st_foll] = i4_pic_order_cnt_val + pi2_delta_poc[i];
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u4_num_st_foll++;
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}
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}
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u4_num_st_curr_after = 0;
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for(i = num_neg_pics; i < num_neg_pics + num_pos_pics; i++)
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{
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if(pi1_used[i])
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{
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ai4_poc_st_curr_after[u4_num_st_curr_after] = i4_pic_order_cnt_val + pi2_delta_poc[i];
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u4_num_st_curr_after++;
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}
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else
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{
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ai4_poc_st_foll[u4_num_st_foll] = i4_pic_order_cnt_val + pi2_delta_poc[i];
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u4_num_st_foll++;
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}
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}
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u4_num_lt_curr = 0;
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u4_num_lt_foll = 0;
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for(i = 0; i < ps_slice_hdr->i1_num_long_term_sps + ps_slice_hdr->i1_num_long_term_pics; i++)
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{
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i4_poc_lt = ps_slice_hdr->ai4_poc_lsb_lt[i];
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if(ps_slice_hdr->ai1_delta_poc_msb_present_flag[i])
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{
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i4_poc_lt += i4_pic_order_cnt_val - ps_slice_hdr->ai1_delta_poc_msb_cycle_lt[i] * (WORD32)u4_max_poc_lsb - ps_slice_hdr->i4_pic_order_cnt_lsb;
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}
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if(ps_slice_hdr->ai1_used_by_curr_pic_lt_flag[i])
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{
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ai4_poc_lt_curr[u4_num_lt_curr] = i4_poc_lt;
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ai1_curr_delta_poc_msb_present_flag[u4_num_lt_curr] = ps_slice_hdr->ai1_delta_poc_msb_present_flag[i];
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u4_num_lt_curr++;
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}
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else
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{
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ai4_poc_lt_foll[u4_num_lt_foll] = i4_poc_lt;
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ai1_foll_delta_poc_msb_present_flag[u4_num_lt_foll] = ps_slice_hdr->ai1_delta_poc_msb_present_flag[i];
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u4_num_lt_foll++;
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}
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}
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u4_num_total_curr = u4_num_lt_curr + u4_num_st_curr_after + u4_num_st_curr_before;
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/* Bit stream conformance tests */
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/*
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for(i = 0; i < u4_num_lt_curr; i++)
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{
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int j;
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if(ai1_curr_delta_poc_msb_present_flag[i])
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{
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for(j = 0; j < u4_num_st_curr_before; j++)
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{
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ASSERT(ai4_poc_st_curr_before[j] != ai4_poc_lt_curr[i]);
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}
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for(j = 0; j < u4_num_st_curr_after; j++)
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{
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ASSERT(ai4_poc_st_curr_after[j] != ai4_poc_lt_curr[i]);
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}
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for(j = 0; j < u4_num_st_foll; j++)
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{
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ASSERT(ai4_poc_st_foll[j] != ai4_poc_lt_curr[i]);
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}
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for(j = 0; j < u4_num_lt_curr; j++)
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{
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ASSERT((ai4_poc_lt_curr[j] != ai4_poc_lt_curr[i]) || (j == i));
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}
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}
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else
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{
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for(j = 0; j < u4_num_st_curr_before; j++)
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{
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ASSERT((ai4_poc_st_curr_before[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_curr[i]);
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}
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for(j = 0; j < u4_num_st_curr_after; j++)
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{
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ASSERT((ai4_poc_st_curr_after[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_curr[i]);
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}
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for(j = 0; j < u4_num_st_foll; j++)
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{
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ASSERT((ai4_poc_st_foll[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_curr[i]);
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}
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for(j = 0; j < u4_num_lt_curr; j++)
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{
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ASSERT(((ai4_poc_lt_curr[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_curr[i]) || (j == i));
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}
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}
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}
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for(i = 0; i < u4_num_lt_foll; i++)
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{
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int j;
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if(ai1_foll_delta_poc_msb_present_flag[i])
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{
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for(j = 0; j < u4_num_st_curr_before; j++)
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{
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ASSERT(ai4_poc_st_curr_before[j] != ai4_poc_lt_foll[i]);
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}
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for(j = 0; j < u4_num_st_curr_after; j++)
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{
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ASSERT(ai4_poc_st_curr_after[j] != ai4_poc_lt_foll[i]);
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}
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for(j = 0; j < u4_num_st_foll; j++)
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{
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ASSERT(ai4_poc_st_foll[j] != ai4_poc_lt_foll[i]);
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}
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for(j = 0; j < u4_num_lt_curr; j++)
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{
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ASSERT(ai4_poc_lt_curr[j] != ai4_poc_lt_foll[i]);
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}
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for(j = 0; j < u4_num_lt_foll; j++)
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{
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ASSERT((ai4_poc_lt_foll[j] != ai4_poc_lt_foll[i]) || (j == i));
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}
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}
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else
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{
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for(j = 0; j < u4_num_st_curr_before; j++)
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{
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ASSERT((ai4_poc_st_curr_before[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_foll[i]);
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}
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for(j = 0; j < u4_num_st_curr_after; j++)
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{
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ASSERT((ai4_poc_st_curr_after[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_foll[i]);
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}
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for(j = 0; j < u4_num_st_foll; j++)
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{
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ASSERT((ai4_poc_st_foll[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_foll[i]);
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}
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for(j = 0; j < u4_num_lt_curr; j++)
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{
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ASSERT((ai4_poc_lt_curr[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_foll[i]);
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}
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for(j = 0; j < u4_num_lt_foll; j++)
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{
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ASSERT(((ai4_poc_lt_foll[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_foll[i]) || (j == i));
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}
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}
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}
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*/
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/* Reference Pic sets creation */
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/* Set all the DPB buffers to UNUSED_FOR_REF */
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if(0 == ps_codec->i4_pic_present)
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{
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for(i = 0; i < MAX_DPB_BUFS; i++)
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{
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if(ps_dpb_mgr->as_dpb_info[i].ps_pic_buf)
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ps_dpb_mgr->as_dpb_info[i].ps_pic_buf->u1_used_as_ref = UNUSED_FOR_REF;
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}
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}
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for(i = 0; i < (WORD32)u4_num_lt_curr; i++)
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{
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if(0 == ai1_curr_delta_poc_msb_present_flag[i])
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{
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ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc_lsb(ps_dpb_mgr, ai4_poc_lt_curr[i]);
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if(NULL != ps_pic_buf)
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ps_pic_buf->u1_used_as_ref = LONG_TERM_REF;
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as_ref_pic_lt_curr[i] = ps_pic_buf;
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}
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else
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{
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ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc(ps_dpb_mgr, ai4_poc_lt_curr[i]);
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if(NULL != ps_pic_buf)
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ps_pic_buf->u1_used_as_ref = LONG_TERM_REF;
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as_ref_pic_lt_curr[i] = ps_pic_buf;
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}
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}
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for(i = 0; i < (WORD32)u4_num_lt_foll; i++)
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{
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if(0 == ai1_foll_delta_poc_msb_present_flag[i])
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{
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ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc_lsb(ps_dpb_mgr, ai4_poc_lt_foll[i]);
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if(NULL != ps_pic_buf)
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ps_pic_buf->u1_used_as_ref = LONG_TERM_REF;
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as_ref_pic_lt_foll[i] = ps_pic_buf;
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}
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else
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{
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ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc(ps_dpb_mgr, ai4_poc_lt_foll[i]);
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if(NULL != ps_pic_buf)
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ps_pic_buf->u1_used_as_ref = LONG_TERM_REF;
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as_ref_pic_lt_foll[i] = ps_pic_buf;
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}
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}
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for(i = 0; i < (WORD32)u4_num_st_curr_before; i++)
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{
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ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc(ps_dpb_mgr, ai4_poc_st_curr_before[i]);
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if(NULL != ps_pic_buf)
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ps_pic_buf->u1_used_as_ref = SHORT_TERM_REF;
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as_ref_pic_st_curr_before[i] = ps_pic_buf;
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}
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for(i = 0; i < (WORD32)u4_num_st_curr_after; i++)
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{
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ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc(ps_dpb_mgr, ai4_poc_st_curr_after[i]);
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if(NULL != ps_pic_buf)
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ps_pic_buf->u1_used_as_ref = SHORT_TERM_REF;
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as_ref_pic_st_curr_after[i] = ps_pic_buf;
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}
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for(i = 0; i < (WORD32)u4_num_st_foll; i++)
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{
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ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc(ps_dpb_mgr, ai4_poc_st_foll[i]);
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if(NULL != ps_pic_buf)
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ps_pic_buf->u1_used_as_ref = SHORT_TERM_REF;
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as_ref_pic_st_foll[i] = ps_pic_buf;
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}
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//TODO: Bit stream conformance tests to be included
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u4_num_rps_curr_temp_list0 = (WORD32)u4_num_total_curr > ps_slice_hdr->i1_num_ref_idx_l0_active ? (WORD32)u4_num_total_curr : ps_slice_hdr->i1_num_ref_idx_l0_active;
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r_idx = 0;
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if((PSLICE == ps_slice_hdr->i1_slice_type) ||
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(BSLICE == ps_slice_hdr->i1_slice_type))
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{
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while(r_idx < u4_num_rps_curr_temp_list0)
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{
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for(i = 0; (i < (WORD32)u4_num_st_curr_before) && (r_idx < u4_num_rps_curr_temp_list0); r_idx++, i++)
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{
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if(NULL == as_ref_pic_st_curr_before[i])
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{
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as_ref_pic_st_curr_before[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_st_curr_before[i]);
|
|
}
|
|
as_ref_pic_list_temp0[r_idx] = as_ref_pic_st_curr_before[i];
|
|
}
|
|
|
|
for(i = 0; (i < (WORD32)u4_num_st_curr_after) && (r_idx < u4_num_rps_curr_temp_list0); r_idx++, i++)
|
|
{
|
|
if(NULL == as_ref_pic_st_curr_after[i])
|
|
{
|
|
as_ref_pic_st_curr_after[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_st_curr_after[i]);
|
|
}
|
|
as_ref_pic_list_temp0[r_idx] = as_ref_pic_st_curr_after[i];
|
|
}
|
|
|
|
for(i = 0; (i < (WORD32)u4_num_lt_curr) && (r_idx < u4_num_rps_curr_temp_list0); r_idx++, i++)
|
|
{
|
|
if(NULL == as_ref_pic_lt_curr[i])
|
|
{
|
|
as_ref_pic_lt_curr[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_lt_curr[i]);
|
|
}
|
|
as_ref_pic_list_temp0[r_idx] = as_ref_pic_lt_curr[i];
|
|
}
|
|
}
|
|
|
|
for(r_idx = 0; (WORD32)r_idx < ps_slice_hdr->i1_num_ref_idx_l0_active; r_idx++)
|
|
{
|
|
pic_buf_t *ps_pic_buf;
|
|
ps_slice_hdr->as_ref_pic_list0[r_idx].pv_pic_buf = ps_slice_hdr->s_rplm.i1_ref_pic_list_modification_flag_l0 ? (void *)as_ref_pic_list_temp0[ps_slice_hdr->s_rplm.i1_list_entry_l0[r_idx]] : (void *)as_ref_pic_list_temp0[r_idx];
|
|
ps_pic_buf = (pic_buf_t *)ps_slice_hdr->as_ref_pic_list0[r_idx].pv_pic_buf;
|
|
|
|
if(ps_pic_buf == NULL)
|
|
return IHEVCD_REF_PIC_NOT_FOUND;
|
|
|
|
ps_mv_buf = ihevcd_mv_mgr_get_poc(ps_mv_buf_mgr, ps_pic_buf->i4_abs_poc);
|
|
ps_slice_hdr->as_ref_pic_list0[r_idx].pv_mv_buf = ps_mv_buf;
|
|
}
|
|
|
|
|
|
if(ps_slice_hdr->i1_slice_type == BSLICE)
|
|
{
|
|
u4_num_rps_curr_temp_list1 = (WORD32)u4_num_total_curr > ps_slice_hdr->i1_num_ref_idx_l1_active ? (WORD32)u4_num_total_curr : ps_slice_hdr->i1_num_ref_idx_l1_active;
|
|
|
|
r_idx = 0;
|
|
while(r_idx < u4_num_rps_curr_temp_list1)
|
|
{
|
|
for(i = 0; (i < (WORD32)u4_num_st_curr_after) && (r_idx < u4_num_rps_curr_temp_list1); r_idx++, i++)
|
|
{
|
|
if(NULL == as_ref_pic_st_curr_after[i])
|
|
{
|
|
as_ref_pic_st_curr_after[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_st_curr_after[i]);
|
|
}
|
|
as_ref_pic_list_temp1[r_idx] = as_ref_pic_st_curr_after[i];
|
|
}
|
|
|
|
for(i = 0; (i < (WORD32)u4_num_st_curr_before) && (r_idx < u4_num_rps_curr_temp_list1); r_idx++, i++)
|
|
{
|
|
if(NULL == as_ref_pic_st_curr_before[i])
|
|
{
|
|
as_ref_pic_st_curr_before[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_st_curr_before[i]);
|
|
}
|
|
as_ref_pic_list_temp1[r_idx] = as_ref_pic_st_curr_before[i];
|
|
}
|
|
|
|
for(i = 0; (i < (WORD32)u4_num_lt_curr) && (r_idx < u4_num_rps_curr_temp_list1); r_idx++, i++)
|
|
{
|
|
if(NULL == as_ref_pic_lt_curr[i])
|
|
{
|
|
as_ref_pic_lt_curr[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_lt_curr[i]);
|
|
}
|
|
as_ref_pic_list_temp1[r_idx] = as_ref_pic_lt_curr[i];
|
|
}
|
|
}
|
|
|
|
for(r_idx = 0; (WORD32)r_idx < ps_slice_hdr->i1_num_ref_idx_l1_active; r_idx++)
|
|
{
|
|
pic_buf_t *ps_pic_buf;
|
|
ps_slice_hdr->as_ref_pic_list1[r_idx].pv_pic_buf = ps_slice_hdr->s_rplm.i1_ref_pic_list_modification_flag_l1 ? (void *)as_ref_pic_list_temp1[ps_slice_hdr->s_rplm.i1_list_entry_l1[r_idx]] : (void *)as_ref_pic_list_temp1[r_idx];
|
|
ps_pic_buf = (pic_buf_t *)ps_slice_hdr->as_ref_pic_list1[r_idx].pv_pic_buf;
|
|
|
|
if(ps_pic_buf == NULL)
|
|
return IHEVCD_REF_PIC_NOT_FOUND;
|
|
|
|
ps_mv_buf = ihevcd_mv_mgr_get_poc(ps_mv_buf_mgr, ps_pic_buf->i4_abs_poc);
|
|
ps_slice_hdr->as_ref_pic_list1[r_idx].pv_mv_buf = ps_mv_buf;
|
|
}
|
|
}
|
|
}
|
|
|
|
DEBUG_PRINT_REF_LIST_POCS(i4_pic_order_cnt_val, ps_slice_hdr, ps_dpb_mgr, u4_num_st_curr_before, u4_num_st_curr_after, u4_num_st_foll, u4_num_lt_curr, u4_num_lt_foll, ai4_poc_st_curr_before, ai4_poc_st_curr_after, ai4_poc_st_foll, ai4_poc_lt_curr, ai4_poc_lt_foll);
|
|
/* Buffers that are still marked as UNUSED_FOR_REF are released from dpb (internally dpb calls release from pic buf manager)*/
|
|
for(i = 0; i < MAX_DPB_BUFS; i++)
|
|
{
|
|
if((ps_dpb_mgr->as_dpb_info[i].ps_pic_buf) && (UNUSED_FOR_REF == ps_dpb_mgr->as_dpb_info[i].ps_pic_buf->u1_used_as_ref))
|
|
{
|
|
pic_buf_t *ps_pic_buf = ps_dpb_mgr->as_dpb_info[i].ps_pic_buf;
|
|
mv_buf_t *ps_mv_buf;
|
|
|
|
/* Long term index is set to MAX_DPB_BUFS to ensure it is not added as LT */
|
|
ihevc_dpb_mgr_del_ref(ps_dpb_mgr, (buf_mgr_t *)ps_codec->pv_pic_buf_mgr, ps_pic_buf->i4_abs_poc);
|
|
|
|
|
|
/* Find buffer id of the MV bank corresponding to the buffer being freed (Buffer with POC of u4_abs_poc) */
|
|
ps_mv_buf = (mv_buf_t *)ps_codec->ps_mv_buf;
|
|
for(j = 0; j < ps_codec->i4_max_dpb_size; j++)
|
|
{
|
|
if(ps_mv_buf && ps_mv_buf->i4_abs_poc == ps_pic_buf->i4_abs_poc)
|
|
{
|
|
ihevc_buf_mgr_release((buf_mgr_t *)ps_codec->pv_mv_buf_mgr, j, BUF_MGR_REF);
|
|
break;
|
|
}
|
|
ps_mv_buf++;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return IHEVCD_SUCCESS;
|
|
}
|