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2071 lines
82 KiB
C
2071 lines
82 KiB
C
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/******************************************************************************
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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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#ifdef __ANDROID__
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#include <log/log.h>
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#endif
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#include "ih264_typedefs.h"
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#include "ih264_macros.h"
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#include "ih264_platform_macros.h"
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#include "iv.h"
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#include "ih264d_dpb_manager.h"
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#include "ih264d_bitstrm.h"
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#include "ih264d_parse_cavlc.h"
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#include "ih264d_defs.h"
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#include "ih264d_structs.h"
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#include "ih264d_process_bslice.h"
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#include "ih264d_debug.h"
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#include "ih264d_tables.h"
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#include "ih264d_error_handler.h"
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#include "string.h"
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#include "ih264d_defs.h"
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#include "ih264_error.h"
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#include "ih264_buf_mgr.h"
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#include "assert.h"
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/*!
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***************************************************************************
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* \file ih264d_dpb_mgr.c
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*
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* \brief
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* Functions for managing the decoded picture buffer
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*
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* Detailed_description
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*
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* \date
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* 19-12-2002
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*
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* \author Sriram Sethuraman
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***************************************************************************
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*/
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/*!
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**************************************************************************
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* \if Function name : ih264d_init_ref_bufs \endif
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*
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* \brief
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* Called at the start for initialization.
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*
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* \return
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* none
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**************************************************************************
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*/
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void ih264d_init_ref_bufs(dpb_manager_t *ps_dpb_mgr)
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{
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UWORD32 i;
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struct dpb_info_t *ps_dpb_info = ps_dpb_mgr->as_dpb_info;
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for(i = 0; i < MAX_REF_BUFS; i++)
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{
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ps_dpb_info[i].u1_used_as_ref = UNUSED_FOR_REF;
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ps_dpb_info[i].u1_lt_idx = MAX_REF_BUFS + 1;
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ps_dpb_info[i].ps_prev_short = NULL;
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ps_dpb_info[i].ps_prev_long = NULL;
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ps_dpb_info[i].ps_pic_buf = NULL;
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ps_dpb_info[i].s_top_field.u1_reference_info = UNUSED_FOR_REF;
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ps_dpb_info[i].s_bot_field.u1_reference_info = UNUSED_FOR_REF;
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ps_dpb_info[i].s_top_field.u1_long_term_frame_idx = MAX_REF_BUFS + 1;
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ps_dpb_info[i].s_bot_field.u1_long_term_frame_idx = MAX_REF_BUFS + 1;
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}
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ps_dpb_mgr->u1_num_st_ref_bufs = ps_dpb_mgr->u1_num_lt_ref_bufs = 0;
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ps_dpb_mgr->ps_dpb_st_head = NULL;
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ps_dpb_mgr->ps_dpb_ht_head = NULL;
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ps_dpb_mgr->i1_gaps_deleted = 0;
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ps_dpb_mgr->i1_poc_buf_id_entries = 0;
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ps_dpb_mgr->u1_mmco_error_in_seq = 0;
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ps_dpb_mgr->u1_num_gaps = 0;
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for(i = 0; i < MAX_FRAMES; i++)
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{
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ps_dpb_mgr->ai4_gaps_start_frm_num[i] = INVALID_FRAME_NUM;
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ps_dpb_mgr->ai4_gaps_end_frm_num[i] = 0;
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ps_dpb_mgr->ai1_gaps_per_seq[i] = 0;
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ps_dpb_mgr->ai4_poc_buf_id_map[i][0] = -1;
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ps_dpb_mgr->ai4_poc_buf_id_map[i][1] = 0x7fffffff;
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ps_dpb_mgr->ai4_poc_buf_id_map[i][2] = 0;
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}
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}
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void ih264d_free_ref_pic_mv_bufs(void* pv_dec, UWORD8 pic_buf_id)
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{
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dec_struct_t *ps_dec = (dec_struct_t *)pv_dec;
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if((pic_buf_id == ps_dec->u1_pic_buf_id) &&
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ps_dec->ps_cur_slice->u1_field_pic_flag &&
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(ps_dec->u1_top_bottom_decoded == 0))
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{
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return;
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}
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ih264_buf_mgr_release((buf_mgr_t *)ps_dec->pv_pic_buf_mgr,
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pic_buf_id,
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BUF_MGR_REF);
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ih264_buf_mgr_release((buf_mgr_t *)ps_dec->pv_mv_buf_mgr,
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ps_dec->au1_pic_buf_id_mv_buf_id_map[pic_buf_id],
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BUF_MGR_REF);
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}
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/*!
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**************************************************************************
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* \if Function name : ih264d_delete_lt_node \endif
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*
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* \brief
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* Delete a buffer with a long term index from the LT linked list
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*
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* \return
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* none
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**************************************************************************
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*/
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WORD32 ih264d_delete_lt_node(dpb_manager_t *ps_dpb_mgr,
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UWORD32 u4_lt_idx,
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UWORD8 u1_fld_pic_flag,
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struct dpb_info_t *ps_lt_node_to_insert,
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WORD32 *pi4_status)
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{
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*pi4_status = 0;
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if(ps_dpb_mgr->u1_num_lt_ref_bufs > 0)
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{
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WORD32 i;
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struct dpb_info_t *ps_next_dpb;
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/* ps_unmark_node points to the node to be removed */
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/* from long term list. */
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struct dpb_info_t *ps_unmark_node;
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//Find the node with matching LTIndex
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ps_next_dpb = ps_dpb_mgr->ps_dpb_ht_head;
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if(ps_next_dpb->u1_lt_idx == u4_lt_idx)
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{
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ps_unmark_node = ps_next_dpb;
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}
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else
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{
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for(i = 1; i < ps_dpb_mgr->u1_num_lt_ref_bufs; i++)
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{
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if(ps_next_dpb->ps_prev_long->u1_lt_idx == u4_lt_idx)
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break;
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ps_next_dpb = ps_next_dpb->ps_prev_long;
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}
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if(i == ps_dpb_mgr->u1_num_lt_ref_bufs)
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*pi4_status = 1;
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else
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ps_unmark_node = ps_next_dpb->ps_prev_long;
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}
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if(*pi4_status == 0)
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{
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if(u1_fld_pic_flag)
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{
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if(ps_lt_node_to_insert != ps_unmark_node)
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{
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UWORD8 u1_deleted = 0;
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/* for the ps_unmark_node mark the corresponding field */
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/* field as unused for reference */
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if(ps_unmark_node->s_top_field.u1_long_term_frame_idx
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== u4_lt_idx)
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{
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ps_unmark_node->s_top_field.u1_reference_info =
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UNUSED_FOR_REF;
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ps_unmark_node->s_top_field.u1_long_term_frame_idx =
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MAX_REF_BUFS + 1;
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u1_deleted = 1;
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}
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if(ps_unmark_node->s_bot_field.u1_long_term_frame_idx
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== u4_lt_idx)
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{
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ps_unmark_node->s_bot_field.u1_reference_info =
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UNUSED_FOR_REF;
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ps_unmark_node->s_bot_field.u1_long_term_frame_idx =
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MAX_REF_BUFS + 1;
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u1_deleted = 1;
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}
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if(!u1_deleted)
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{
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UWORD32 i4_error_code;
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i4_error_code = ERROR_DBP_MANAGER_T;
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return i4_error_code;
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}
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}
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ps_unmark_node->u1_used_as_ref =
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ps_unmark_node->s_top_field.u1_reference_info
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| ps_unmark_node->s_bot_field.u1_reference_info;
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}
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else
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ps_unmark_node->u1_used_as_ref = UNUSED_FOR_REF;
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if(UNUSED_FOR_REF == ps_unmark_node->u1_used_as_ref)
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{
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if(ps_unmark_node == ps_dpb_mgr->ps_dpb_ht_head)
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ps_dpb_mgr->ps_dpb_ht_head = ps_next_dpb->ps_prev_long;
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ps_unmark_node->u1_lt_idx = MAX_REF_BUFS + 1;
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ps_unmark_node->s_top_field.u1_reference_info =
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UNUSED_FOR_REF;
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ps_unmark_node->s_bot_field.u1_reference_info =
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UNUSED_FOR_REF;
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// Release the physical buffer
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ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
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ps_unmark_node->u1_buf_id);
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ps_next_dpb->ps_prev_long = ps_unmark_node->ps_prev_long; //update link
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ps_unmark_node->ps_prev_long = NULL;
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ps_dpb_mgr->u1_num_lt_ref_bufs--; //decrement LT buf count
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}
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}
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}
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return OK;
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}
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/*!
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**************************************************************************
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* \if Function name : ih264d_insert_lt_node \endif
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*
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* \brief
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* Insert a buffer into the LT linked list at a given LT index
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*
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* \return
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* none
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**************************************************************************
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*/
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WORD32 ih264d_insert_lt_node(dpb_manager_t *ps_dpb_mgr,
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struct dpb_info_t *ps_mov_node,
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UWORD32 u4_lt_idx,
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UWORD8 u1_fld_pic_flag)
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{
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UWORD8 u1_mark_top_field_long_term = 0;
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UWORD8 u1_mark_bot_field_long_term = 0;
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{
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if(u1_fld_pic_flag)
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{
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/* Assign corresponding field (top or bottom) long_term_frame_idx */
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if((ps_mov_node->s_top_field.u1_reference_info == IS_LONG_TERM)
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&& (ps_mov_node->s_bot_field.u1_reference_info
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== IS_LONG_TERM))
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{
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if(ps_mov_node->u1_lt_idx == u4_lt_idx)
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u1_mark_bot_field_long_term = 1;
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else
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{
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UWORD32 i4_error_code;
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i4_error_code = ERROR_DBP_MANAGER_T;
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return i4_error_code;
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}
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}
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else if(ps_mov_node->s_top_field.u1_reference_info == IS_LONG_TERM)
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{
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u1_mark_top_field_long_term = 1;
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}
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if(!(u1_mark_top_field_long_term || u1_mark_bot_field_long_term))
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{
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UWORD32 i4_error_code;
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i4_error_code = ERROR_DBP_MANAGER_T;
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return i4_error_code;
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}
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}
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else
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{
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ps_mov_node->s_top_field.u1_reference_info = IS_LONG_TERM;
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ps_mov_node->s_bot_field.u1_reference_info = IS_LONG_TERM;
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ps_mov_node->s_top_field.u1_long_term_frame_idx = u4_lt_idx;
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ps_mov_node->s_bot_field.u1_long_term_frame_idx = u4_lt_idx;
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u1_mark_bot_field_long_term = 1;
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u1_mark_top_field_long_term = 1;
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}
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ps_mov_node->u1_lt_idx = u4_lt_idx; //Assign the LT index to the node
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ps_mov_node->ps_pic_buf->u1_long_term_frm_idx = u4_lt_idx;
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ps_mov_node->u1_used_as_ref = IS_LONG_TERM;
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/* Insert the new long term in the LT list with u4_lt_idx */
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/* in ascending order. */
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if(ps_dpb_mgr->u1_num_lt_ref_bufs > 0)
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{
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struct dpb_info_t *ps_next_dpb = ps_dpb_mgr->ps_dpb_ht_head;
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if(u4_lt_idx < ps_next_dpb->u1_lt_idx)
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{
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//LTIndex to be inserted is the smallest LT index
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//Update head and point prev to the next higher index
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ps_mov_node->ps_prev_long = ps_next_dpb;
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ps_dpb_mgr->ps_dpb_ht_head = ps_mov_node;
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}
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else
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{
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WORD32 i;
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struct dpb_info_t *ps_nxtDPB = ps_next_dpb;
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ps_next_dpb = ps_next_dpb->ps_prev_long;
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for(i = 1; i < ps_dpb_mgr->u1_num_lt_ref_bufs; i++)
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{
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if(ps_next_dpb->u1_lt_idx > u4_lt_idx)
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break;
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ps_nxtDPB = ps_next_dpb;
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ps_next_dpb = ps_next_dpb->ps_prev_long;
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}
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ps_nxtDPB->ps_prev_long = ps_mov_node;
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ps_mov_node->ps_prev_long = ps_next_dpb;
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}
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}
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else
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{
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ps_dpb_mgr->ps_dpb_ht_head = ps_mov_node;
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ps_mov_node->ps_prev_long = NULL;
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}
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/* Identify the picture buffer as a long term picture buffer */
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ps_mov_node->ps_pic_buf->u1_is_short = 0;
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/* Increment LT buf count only if new LT node inserted */
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/* If Increment during top_field is done, don't increment */
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/* for bottom field, as both them are part of same pic. */
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if(u1_mark_bot_field_long_term)
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ps_dpb_mgr->u1_num_lt_ref_bufs++;
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}
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return OK;
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}
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/*!
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||
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**************************************************************************
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* \if Function name : ih264d_insert_st_node \endif
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*
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* \brief
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||
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* Adds a short term reference picture into the ST linked list
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*
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* \return
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||
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* None
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*
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||
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* \note
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* Called only for a new coded picture with nal_ref_idc!=0
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**************************************************************************
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*/
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||
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WORD32 ih264d_insert_st_node(dpb_manager_t *ps_dpb_mgr,
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struct pic_buffer_t *ps_pic_buf,
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UWORD8 u1_buf_id,
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UWORD32 u4_cur_pic_num)
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{
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||
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WORD32 i;
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struct dpb_info_t *ps_dpb_info = ps_dpb_mgr->as_dpb_info;
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||
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UWORD8 u1_picture_type = ps_pic_buf->u1_picturetype;
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/* Find an unused dpb location */
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||
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for(i = 0; i < MAX_REF_BUFS; i++)
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||
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{
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||
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if((ps_dpb_info[i].ps_pic_buf == ps_pic_buf)
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||
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&& ps_dpb_info[i].u1_used_as_ref)
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||
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{
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||
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/*signal an error in the case of frame pic*/
|
||
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if(ps_dpb_info[i].ps_pic_buf->u1_pic_type == FRM_PIC)
|
||
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{
|
||
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return ERROR_DBP_MANAGER_T;
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||
|
}
|
||
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else
|
||
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{
|
||
|
/* Can occur only for field bottom pictures */
|
||
|
ps_dpb_info[i].s_bot_field.u1_reference_info = IS_SHORT_TERM;
|
||
|
return OK;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if((ps_dpb_info[i].u1_used_as_ref == UNUSED_FOR_REF)
|
||
|
&& (ps_dpb_info[i].s_top_field.u1_reference_info
|
||
|
== UNUSED_FOR_REF)
|
||
|
&& (ps_dpb_info[i].s_bot_field.u1_reference_info
|
||
|
== UNUSED_FOR_REF))
|
||
|
break;
|
||
|
}
|
||
|
if(i == MAX_REF_BUFS)
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
|
||
|
/* Create dpb info */
|
||
|
ps_dpb_info[i].ps_pic_buf = ps_pic_buf;
|
||
|
ps_dpb_info[i].ps_prev_short = ps_dpb_mgr->ps_dpb_st_head;
|
||
|
ps_dpb_info[i].u1_buf_id = u1_buf_id;
|
||
|
ps_dpb_info[i].u1_used_as_ref = TRUE;
|
||
|
ps_dpb_info[i].u1_lt_idx = MAX_REF_BUFS + 1;
|
||
|
ps_dpb_info[i].i4_frame_num = u4_cur_pic_num;
|
||
|
ps_dpb_info[i].ps_pic_buf->i4_frame_num = u4_cur_pic_num;
|
||
|
|
||
|
/* update the head node of linked list to point to the cur Pic */
|
||
|
ps_dpb_mgr->ps_dpb_st_head = ps_dpb_info + i;
|
||
|
|
||
|
// Increment Short term bufCount
|
||
|
ps_dpb_mgr->u1_num_st_ref_bufs++;
|
||
|
/* Identify the picture as a short term picture buffer */
|
||
|
ps_pic_buf->u1_is_short = IS_SHORT_TERM;
|
||
|
|
||
|
if((u1_picture_type & 0x03) == FRM_PIC)
|
||
|
{
|
||
|
ps_dpb_info[i].u1_used_as_ref = IS_SHORT_TERM;
|
||
|
ps_dpb_info[i].s_top_field.u1_reference_info = IS_SHORT_TERM;
|
||
|
ps_dpb_info[i].s_bot_field.u1_reference_info = IS_SHORT_TERM;
|
||
|
}
|
||
|
|
||
|
if((u1_picture_type & 0x03) == TOP_FLD)
|
||
|
ps_dpb_info[i].s_top_field.u1_reference_info = IS_SHORT_TERM;
|
||
|
|
||
|
if((u1_picture_type & 0x03) == BOT_FLD)
|
||
|
ps_dpb_info[i].s_bot_field.u1_reference_info = IS_SHORT_TERM;
|
||
|
|
||
|
return OK;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : ih264d_delete_st_node_or_make_lt \endif
|
||
|
*
|
||
|
* \brief
|
||
|
* Delete short term ref with a given picNum from the ST linked list or
|
||
|
* make it an LT node
|
||
|
*
|
||
|
* \return
|
||
|
* 0 - if successful; -1 - otherwise
|
||
|
*
|
||
|
* \note
|
||
|
* Common parts to MMCO==1 and MMCO==3 have been combined here
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
WORD32 ih264d_delete_st_node_or_make_lt(dpb_manager_t *ps_dpb_mgr,
|
||
|
WORD32 i4_pic_num,
|
||
|
UWORD32 u4_lt_idx,
|
||
|
UWORD8 u1_fld_pic_flag)
|
||
|
{
|
||
|
WORD32 i;
|
||
|
struct dpb_info_t *ps_next_dpb;
|
||
|
WORD32 i4_frame_num = i4_pic_num;
|
||
|
struct dpb_info_t *ps_unmark_node = NULL;
|
||
|
UWORD8 u1_del_node = 0, u1_del_st = 0;
|
||
|
UWORD8 u1_reference_type = UNUSED_FOR_REF;
|
||
|
WORD32 ret;
|
||
|
|
||
|
if(u1_fld_pic_flag)
|
||
|
{
|
||
|
i4_frame_num = i4_frame_num >> 1;
|
||
|
|
||
|
if(u4_lt_idx == (MAX_REF_BUFS + 1))
|
||
|
u1_reference_type = UNUSED_FOR_REF;
|
||
|
else
|
||
|
u1_reference_type = IS_LONG_TERM;
|
||
|
}
|
||
|
|
||
|
//Find the node with matching picNum
|
||
|
ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head;
|
||
|
if((WORD32)ps_next_dpb->i4_frame_num == i4_frame_num)
|
||
|
{
|
||
|
ps_unmark_node = ps_next_dpb;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
for(i = 1; i < ps_dpb_mgr->u1_num_st_ref_bufs; i++)
|
||
|
{
|
||
|
if((WORD32)ps_next_dpb->ps_prev_short->i4_frame_num == i4_frame_num)
|
||
|
break;
|
||
|
ps_next_dpb = ps_next_dpb->ps_prev_short;
|
||
|
}
|
||
|
|
||
|
if(i == ps_dpb_mgr->u1_num_st_ref_bufs)
|
||
|
{
|
||
|
if(ps_dpb_mgr->u1_num_gaps)
|
||
|
{
|
||
|
ret = ih264d_delete_gap_frm_mmco(ps_dpb_mgr, i4_frame_num, &u1_del_st);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
|
||
|
if(u1_del_st)
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return 0;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
ps_unmark_node = ps_next_dpb->ps_prev_short;
|
||
|
}
|
||
|
|
||
|
if(u1_fld_pic_flag)
|
||
|
{
|
||
|
/* Mark the corresponding field ( top or bot) as */
|
||
|
/* UNUSED_FOR_REF or IS_LONG_TERM depending on */
|
||
|
/* u1_reference_type. */
|
||
|
if(ps_unmark_node->s_top_field.i4_pic_num == i4_pic_num)
|
||
|
{
|
||
|
ps_unmark_node->s_top_field.u1_reference_info = u1_reference_type;
|
||
|
ps_unmark_node->s_top_field.u1_long_term_frame_idx = u4_lt_idx;
|
||
|
{
|
||
|
UWORD8 *pu1_src = ps_unmark_node->ps_pic_buf->pu1_col_zero_flag;
|
||
|
WORD32 i4_size = ((ps_dpb_mgr->u2_pic_wd
|
||
|
* ps_dpb_mgr->u2_pic_ht) >> 5);
|
||
|
/* memset the colocated zero u4_flag buffer */
|
||
|
memset(pu1_src, 0, i4_size);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
else if(ps_unmark_node->s_bot_field.i4_pic_num == i4_pic_num)
|
||
|
{
|
||
|
|
||
|
ps_unmark_node->s_bot_field.u1_reference_info = u1_reference_type;
|
||
|
ps_unmark_node->s_bot_field.u1_long_term_frame_idx = u4_lt_idx;
|
||
|
{
|
||
|
UWORD8 *pu1_src =
|
||
|
ps_unmark_node->ps_pic_buf->pu1_col_zero_flag
|
||
|
+ ((ps_dpb_mgr->u2_pic_wd
|
||
|
* ps_dpb_mgr->u2_pic_ht)
|
||
|
>> 5);
|
||
|
WORD32 i4_size = ((ps_dpb_mgr->u2_pic_wd
|
||
|
* ps_dpb_mgr->u2_pic_ht) >> 5);
|
||
|
/* memset the colocated zero u4_flag buffer */
|
||
|
memset(pu1_src, 0, i4_size);
|
||
|
}
|
||
|
}
|
||
|
ps_unmark_node->u1_used_as_ref =
|
||
|
ps_unmark_node->s_top_field.u1_reference_info
|
||
|
| ps_unmark_node->s_bot_field.u1_reference_info;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ps_unmark_node->u1_used_as_ref = UNUSED_FOR_REF;
|
||
|
ps_unmark_node->s_top_field.u1_reference_info = UNUSED_FOR_REF;
|
||
|
ps_unmark_node->s_bot_field.u1_reference_info = UNUSED_FOR_REF;
|
||
|
|
||
|
{
|
||
|
UWORD8 *pu1_src = ps_unmark_node->ps_pic_buf->pu1_col_zero_flag;
|
||
|
|
||
|
WORD32 i4_size = ((ps_dpb_mgr->u2_pic_wd
|
||
|
* ps_dpb_mgr->u2_pic_ht) >> 4);
|
||
|
/* memset the colocated zero u4_flag buffer */
|
||
|
memset(pu1_src, 0, i4_size);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if(!(ps_unmark_node->u1_used_as_ref & IS_SHORT_TERM))
|
||
|
{
|
||
|
if(ps_unmark_node == ps_dpb_mgr->ps_dpb_st_head)
|
||
|
ps_dpb_mgr->ps_dpb_st_head = ps_next_dpb->ps_prev_short;
|
||
|
else
|
||
|
ps_next_dpb->ps_prev_short = ps_unmark_node->ps_prev_short; //update link
|
||
|
ps_dpb_mgr->u1_num_st_ref_bufs--; //decrement ST buf count
|
||
|
u1_del_node = 1;
|
||
|
}
|
||
|
|
||
|
if(u4_lt_idx == MAX_REF_BUFS + 1)
|
||
|
{
|
||
|
if(u1_del_node)
|
||
|
{
|
||
|
// Release the physical buffer
|
||
|
ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
|
||
|
ps_unmark_node->u1_buf_id);
|
||
|
ps_unmark_node->ps_prev_short = NULL;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
WORD32 i4_status;
|
||
|
//If another node has the same LT index, delete that node
|
||
|
ret = ih264d_delete_lt_node(ps_dpb_mgr, u4_lt_idx,
|
||
|
u1_fld_pic_flag, ps_unmark_node, &i4_status);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
// Now insert the short term node as a long term node
|
||
|
ret = ih264d_insert_lt_node(ps_dpb_mgr, ps_unmark_node, u4_lt_idx,
|
||
|
u1_fld_pic_flag);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
return OK;
|
||
|
}
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : ih264d_reset_ref_bufs \endif
|
||
|
*
|
||
|
* \brief
|
||
|
* Called if MMCO==5/7 or on the first slice of an IDR picture
|
||
|
*
|
||
|
* \return
|
||
|
* none
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
void ih264d_reset_ref_bufs(dpb_manager_t *ps_dpb_mgr)
|
||
|
{
|
||
|
WORD32 i;
|
||
|
struct dpb_info_t *ps_dpb_info = ps_dpb_mgr->as_dpb_info;
|
||
|
|
||
|
for(i = 0; i < MAX_REF_BUFS; i++)
|
||
|
{
|
||
|
if(ps_dpb_info[i].u1_used_as_ref)
|
||
|
{
|
||
|
ps_dpb_info[i].u1_used_as_ref = UNUSED_FOR_REF;
|
||
|
ps_dpb_info[i].u1_lt_idx = MAX_REF_BUFS + 1;
|
||
|
ps_dpb_info[i].ps_prev_short = NULL;
|
||
|
ps_dpb_info[i].ps_prev_long = NULL;
|
||
|
ps_dpb_info[i].ps_pic_buf = NULL;
|
||
|
ps_dpb_info[i].s_top_field.u1_reference_info = UNUSED_FOR_REF;
|
||
|
ps_dpb_info[i].s_bot_field.u1_reference_info = UNUSED_FOR_REF;
|
||
|
ps_dpb_info[i].s_top_field.u1_long_term_frame_idx = MAX_REF_BUFS + 1;
|
||
|
ps_dpb_info[i].s_bot_field.u1_long_term_frame_idx = MAX_REF_BUFS + 1;
|
||
|
|
||
|
//Release physical buffer
|
||
|
ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
|
||
|
ps_dpb_info[i].u1_buf_id);
|
||
|
}
|
||
|
}
|
||
|
ps_dpb_mgr->u1_num_st_ref_bufs = ps_dpb_mgr->u1_num_lt_ref_bufs = 0;
|
||
|
ps_dpb_mgr->ps_dpb_st_head = NULL;
|
||
|
ps_dpb_mgr->ps_dpb_ht_head = NULL;
|
||
|
ps_dpb_mgr->u1_mmco_error_in_seq = 0;
|
||
|
|
||
|
/* release all gaps */
|
||
|
ps_dpb_mgr->u1_num_gaps = 0;
|
||
|
for(i = 0; i < MAX_FRAMES; i++)
|
||
|
{
|
||
|
ps_dpb_mgr->ai4_gaps_start_frm_num[i] = INVALID_FRAME_NUM;
|
||
|
ps_dpb_mgr->ai4_gaps_end_frm_num[i] = 0;
|
||
|
ps_dpb_mgr->ai1_gaps_per_seq[i] = 0;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : Name \endif
|
||
|
*
|
||
|
* \brief
|
||
|
* create the default index list after an MMCO
|
||
|
*
|
||
|
* \return
|
||
|
* 0 - if no_error; -1 - error
|
||
|
*
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
WORD32 ih264d_update_default_index_list(dpb_manager_t *ps_dpb_mgr)
|
||
|
{
|
||
|
WORD32 i;
|
||
|
struct dpb_info_t *ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head;
|
||
|
|
||
|
for(i = 0; i < ps_dpb_mgr->u1_num_st_ref_bufs; i++)
|
||
|
{
|
||
|
ps_dpb_mgr->ps_def_dpb[i] = ps_next_dpb->ps_pic_buf;
|
||
|
ps_next_dpb = ps_next_dpb->ps_prev_short;
|
||
|
}
|
||
|
|
||
|
ps_next_dpb = ps_dpb_mgr->ps_dpb_ht_head;
|
||
|
for(;i< ps_dpb_mgr->u1_num_st_ref_bufs + ps_dpb_mgr->u1_num_lt_ref_bufs; i++)
|
||
|
{
|
||
|
ps_dpb_mgr->ps_def_dpb[i] = ps_next_dpb->ps_pic_buf;
|
||
|
ps_next_dpb = ps_next_dpb->ps_prev_long;
|
||
|
}
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : ref_idx_reordering \endif
|
||
|
*
|
||
|
* \brief
|
||
|
* Parse the bitstream and reorder indices for the current slice
|
||
|
*
|
||
|
* \return
|
||
|
* 0 - if no_error; -1 - error
|
||
|
*
|
||
|
* \note
|
||
|
* Called only if ref_idx_reordering_flag_l0 is decoded as 1
|
||
|
* Remove error checking for unmatching picNum or LTIndex later (if not needed)
|
||
|
* \para
|
||
|
* This section implements 7.3.3.1 and 8.2.6.4
|
||
|
* Uses the default index list as the starting point and
|
||
|
* remaps the picNums sent to the next higher index in the
|
||
|
* modified list. The unmodified ones are copied from the
|
||
|
* default to modified list retaining their order in the default list.
|
||
|
*
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
WORD32 ih264d_ref_idx_reordering(dec_struct_t *ps_dec, UWORD8 uc_lx)
|
||
|
{
|
||
|
dpb_manager_t *ps_dpb_mgr = ps_dec->ps_dpb_mgr;
|
||
|
UWORD16 u4_cur_pic_num = ps_dec->ps_cur_slice->u2_frame_num;
|
||
|
/*< Maximum Picture Number Minus 1 */
|
||
|
UWORD16 ui_max_frame_num =
|
||
|
ps_dec->ps_cur_sps->u2_u4_max_pic_num_minus1 + 1;
|
||
|
|
||
|
WORD32 i, count = 0;
|
||
|
UWORD32 ui_remapIdc, ui_nextUev;
|
||
|
WORD16 u2_pred_frame_num = u4_cur_pic_num;
|
||
|
WORD32 i_temp;
|
||
|
UWORD16 u2_def_mod_flag = 0; /* Flag to keep track of which indices have been remapped */
|
||
|
UWORD8 modCount = 0;
|
||
|
UWORD32 *pu4_bitstrm_buf = ps_dec->ps_bitstrm->pu4_buffer;
|
||
|
UWORD32 *pu4_bitstrm_ofst = &ps_dec->ps_bitstrm->u4_ofst;
|
||
|
dec_slice_params_t *ps_cur_slice = ps_dec->ps_cur_slice;
|
||
|
UWORD8 u1_field_pic_flag = ps_cur_slice->u1_field_pic_flag;
|
||
|
|
||
|
if(u1_field_pic_flag)
|
||
|
{
|
||
|
u4_cur_pic_num = u4_cur_pic_num * 2 + 1;
|
||
|
ui_max_frame_num = ui_max_frame_num * 2;
|
||
|
}
|
||
|
|
||
|
u2_pred_frame_num = u4_cur_pic_num;
|
||
|
|
||
|
ui_remapIdc = ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf);
|
||
|
|
||
|
while((ui_remapIdc != 3)
|
||
|
&& (count < ps_cur_slice->u1_num_ref_idx_lx_active[uc_lx]))
|
||
|
{
|
||
|
ui_nextUev = ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf);
|
||
|
if(ui_remapIdc != 2)
|
||
|
{
|
||
|
if(ui_nextUev > ui_max_frame_num)
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
|
||
|
ui_nextUev = ui_nextUev + 1;
|
||
|
|
||
|
if(ui_remapIdc == 0)
|
||
|
{
|
||
|
// diffPicNum is -ve
|
||
|
i_temp = (WORD32)u2_pred_frame_num - (WORD32)ui_nextUev;
|
||
|
if(i_temp < 0)
|
||
|
i_temp += ui_max_frame_num;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// diffPicNum is +ve
|
||
|
i_temp = (WORD32)u2_pred_frame_num + (WORD32)ui_nextUev;
|
||
|
if(i_temp >= ui_max_frame_num)
|
||
|
i_temp -= ui_max_frame_num;
|
||
|
}
|
||
|
/* Find the dpb with the matching picNum (picNum==frameNum for framePic) */
|
||
|
|
||
|
if(i_temp > u4_cur_pic_num)
|
||
|
i_temp = i_temp - ui_max_frame_num;
|
||
|
|
||
|
for(i = 0; i < (ps_cur_slice->u1_initial_list_size[uc_lx]); i++)
|
||
|
{
|
||
|
if(ps_dpb_mgr->ps_init_dpb[uc_lx][i]->i4_pic_num == i_temp)
|
||
|
break;
|
||
|
}
|
||
|
if(i == (ps_cur_slice->u1_initial_list_size[uc_lx]))
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
|
||
|
u2_def_mod_flag |= (1 << i);
|
||
|
ps_dpb_mgr->ps_mod_dpb[uc_lx][modCount++] =
|
||
|
ps_dpb_mgr->ps_init_dpb[uc_lx][i];
|
||
|
u2_pred_frame_num = i_temp; //update predictor to be the picNum just obtained
|
||
|
}
|
||
|
else //2
|
||
|
{
|
||
|
UWORD8 u1_lt_idx;
|
||
|
|
||
|
if(ui_nextUev > (MAX_REF_BUFS + 1))
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
|
||
|
u1_lt_idx = (UWORD8)ui_nextUev;
|
||
|
|
||
|
for(i = 0; i < (ps_cur_slice->u1_initial_list_size[uc_lx]); i++)
|
||
|
{
|
||
|
if(!ps_dpb_mgr->ps_init_dpb[uc_lx][i]->u1_is_short)
|
||
|
{
|
||
|
if(ps_dpb_mgr->ps_init_dpb[uc_lx][i]->u1_long_term_pic_num
|
||
|
== u1_lt_idx)
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
if(i == (ps_cur_slice->u1_initial_list_size[uc_lx]))
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
|
||
|
u2_def_mod_flag |= (1 << i);
|
||
|
ps_dpb_mgr->ps_mod_dpb[uc_lx][modCount++] =
|
||
|
ps_dpb_mgr->ps_init_dpb[uc_lx][i];
|
||
|
}
|
||
|
|
||
|
ui_remapIdc = ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf);
|
||
|
/* Get the remapping_idc - 0/1/2/3 */
|
||
|
count++;
|
||
|
}
|
||
|
|
||
|
//Handle the ref indices that were not remapped
|
||
|
for(i = 0; i < (ps_cur_slice->u1_num_ref_idx_lx_active[uc_lx]); i++)
|
||
|
{
|
||
|
if(!(u2_def_mod_flag & (1 << i)))
|
||
|
ps_dpb_mgr->ps_mod_dpb[uc_lx][modCount++] =
|
||
|
ps_dpb_mgr->ps_init_dpb[uc_lx][i];
|
||
|
}
|
||
|
return OK;
|
||
|
}
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : ih264d_read_mmco_commands \endif
|
||
|
*
|
||
|
* \brief
|
||
|
* Parses MMCO commands and stores them in a structure for later use.
|
||
|
*
|
||
|
* \return
|
||
|
* 0 - No error; -1 - Error
|
||
|
*
|
||
|
* \note
|
||
|
* This function stores MMCO commands in structure only for the first time.
|
||
|
* In case of MMCO commands being issued for same Picture Number, they are
|
||
|
* just parsed and not stored them in the structure.
|
||
|
*
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
WORD32 ih264d_read_mmco_commands(struct _DecStruct * ps_dec)
|
||
|
{
|
||
|
dec_pic_params_t *ps_pps = ps_dec->ps_cur_pps;
|
||
|
dec_seq_params_t *ps_sps = ps_pps->ps_sps;
|
||
|
dec_bit_stream_t *ps_bitstrm = ps_dec->ps_bitstrm;
|
||
|
dpb_commands_t *ps_dpb_cmds = &(ps_dec->s_dpb_cmds_scratch);
|
||
|
dec_slice_params_t * ps_slice = ps_dec->ps_cur_slice;
|
||
|
WORD32 j;
|
||
|
UWORD8 u1_buf_mode;
|
||
|
struct MMCParams *ps_mmc_params;
|
||
|
UWORD32 *pu4_bitstrm_buf = ps_dec->ps_bitstrm->pu4_buffer;
|
||
|
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
|
||
|
UWORD32 u4_bit_ofst = ps_dec->ps_bitstrm->u4_ofst;
|
||
|
|
||
|
ps_slice->u1_mmco_equalto5 = 0;
|
||
|
{
|
||
|
if(ps_dec->u1_nal_unit_type == IDR_SLICE_NAL)
|
||
|
{
|
||
|
ps_slice->u1_no_output_of_prior_pics_flag =
|
||
|
ih264d_get_bit_h264(ps_bitstrm);
|
||
|
COPYTHECONTEXT("SH: no_output_of_prior_pics_flag",
|
||
|
ps_slice->u1_no_output_of_prior_pics_flag);
|
||
|
ps_slice->u1_long_term_reference_flag = ih264d_get_bit_h264(
|
||
|
ps_bitstrm);
|
||
|
COPYTHECONTEXT("SH: long_term_reference_flag",
|
||
|
ps_slice->u1_long_term_reference_flag);
|
||
|
ps_dpb_cmds->u1_idr_pic = 1;
|
||
|
ps_dpb_cmds->u1_no_output_of_prior_pics_flag =
|
||
|
ps_slice->u1_no_output_of_prior_pics_flag;
|
||
|
ps_dpb_cmds->u1_long_term_reference_flag =
|
||
|
ps_slice->u1_long_term_reference_flag;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
u1_buf_mode = ih264d_get_bit_h264(ps_bitstrm); //0 - sliding window; 1 - arbitrary
|
||
|
COPYTHECONTEXT("SH: adaptive_ref_pic_buffering_flag", u1_buf_mode);
|
||
|
ps_dpb_cmds->u1_buf_mode = u1_buf_mode;
|
||
|
j = 0;
|
||
|
|
||
|
if(u1_buf_mode == 1)
|
||
|
{
|
||
|
UWORD32 u4_mmco;
|
||
|
UWORD32 u4_diff_pic_num;
|
||
|
UWORD32 u4_lt_idx, u4_max_lt_idx_plus1;
|
||
|
|
||
|
u4_mmco = ih264d_uev(pu4_bitstrm_ofst,
|
||
|
pu4_bitstrm_buf);
|
||
|
while(u4_mmco != END_OF_MMCO)
|
||
|
{
|
||
|
if (j >= MAX_REF_BUFS)
|
||
|
{
|
||
|
#ifdef __ANDROID__
|
||
|
ALOGE("b/25818142");
|
||
|
android_errorWriteLog(0x534e4554, "25818142");
|
||
|
#endif
|
||
|
ps_dpb_cmds->u1_num_of_commands = 0;
|
||
|
return -1;
|
||
|
}
|
||
|
ps_mmc_params = &ps_dpb_cmds->as_mmc_params[j];
|
||
|
ps_mmc_params->u4_mmco = u4_mmco;
|
||
|
switch(u4_mmco)
|
||
|
{
|
||
|
case MARK_ST_PICNUM_AS_NONREF:
|
||
|
u4_diff_pic_num = ih264d_uev(pu4_bitstrm_ofst,
|
||
|
pu4_bitstrm_buf);
|
||
|
//Get absDiffPicnumMinus1
|
||
|
ps_mmc_params->u4_diff_pic_num = u4_diff_pic_num;
|
||
|
break;
|
||
|
|
||
|
case MARK_LT_INDEX_AS_NONREF:
|
||
|
u4_lt_idx = ih264d_uev(pu4_bitstrm_ofst,
|
||
|
pu4_bitstrm_buf);
|
||
|
ps_mmc_params->u4_lt_idx = u4_lt_idx;
|
||
|
break;
|
||
|
|
||
|
case MARK_ST_PICNUM_AS_LT_INDEX:
|
||
|
u4_diff_pic_num = ih264d_uev(pu4_bitstrm_ofst,
|
||
|
pu4_bitstrm_buf);
|
||
|
ps_mmc_params->u4_diff_pic_num = u4_diff_pic_num;
|
||
|
u4_lt_idx = ih264d_uev(pu4_bitstrm_ofst,
|
||
|
pu4_bitstrm_buf);
|
||
|
ps_mmc_params->u4_lt_idx = u4_lt_idx;
|
||
|
break;
|
||
|
|
||
|
case SET_MAX_LT_INDEX:
|
||
|
{
|
||
|
u4_max_lt_idx_plus1 = ih264d_uev(pu4_bitstrm_ofst,
|
||
|
pu4_bitstrm_buf);
|
||
|
if (u4_max_lt_idx_plus1 > ps_sps->u1_num_ref_frames)
|
||
|
{
|
||
|
/* Invalid max LT ref index */
|
||
|
return -1;
|
||
|
}
|
||
|
ps_mmc_params->u4_max_lt_idx_plus1 = u4_max_lt_idx_plus1;
|
||
|
break;
|
||
|
}
|
||
|
case RESET_REF_PICTURES:
|
||
|
{
|
||
|
ps_slice->u1_mmco_equalto5 = 1;
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
case SET_LT_INDEX:
|
||
|
u4_lt_idx = ih264d_uev(pu4_bitstrm_ofst,
|
||
|
pu4_bitstrm_buf);
|
||
|
ps_mmc_params->u4_lt_idx = u4_lt_idx;
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
u4_mmco = ih264d_uev(pu4_bitstrm_ofst,
|
||
|
pu4_bitstrm_buf);
|
||
|
|
||
|
j++;
|
||
|
}
|
||
|
ps_dpb_cmds->u1_num_of_commands = j;
|
||
|
}
|
||
|
}
|
||
|
ps_dpb_cmds->u1_dpb_commands_read = 1;
|
||
|
ps_dpb_cmds->u1_dpb_commands_read_slc = 1;
|
||
|
|
||
|
}
|
||
|
u4_bit_ofst = ps_dec->ps_bitstrm->u4_ofst - u4_bit_ofst;
|
||
|
return u4_bit_ofst;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : ih264d_do_mmco_buffer \endif
|
||
|
*
|
||
|
* \brief
|
||
|
* Perform decoded picture buffer memory management control operations
|
||
|
*
|
||
|
* \return
|
||
|
* 0 - No error; -1 - Error
|
||
|
*
|
||
|
* \note
|
||
|
* Bitstream is also parsed here to get the MMCOs
|
||
|
*
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
WORD32 ih264d_do_mmco_buffer(dpb_commands_t *ps_dpb_cmds,
|
||
|
dpb_manager_t *ps_dpb_mgr,
|
||
|
UWORD8 u1_numRef_frames_for_seq, /*!< num_ref_frames from active SeqParSet*/
|
||
|
UWORD32 u4_cur_pic_num,
|
||
|
UWORD32 u2_u4_max_pic_num_minus1,
|
||
|
UWORD8 u1_nal_unit_type,
|
||
|
struct pic_buffer_t *ps_pic_buf,
|
||
|
UWORD8 u1_buf_id,
|
||
|
UWORD8 u1_fld_pic_flag,
|
||
|
UWORD8 u1_curr_pic_in_err)
|
||
|
{
|
||
|
WORD32 i;
|
||
|
UWORD8 u1_buf_mode, u1_marked_lt;
|
||
|
struct dpb_info_t *ps_next_dpb;
|
||
|
UWORD8 u1_num_gaps;
|
||
|
UWORD8 u1_del_node = 1;
|
||
|
UWORD8 u1_insert_st_pic = 1;
|
||
|
WORD32 ret;
|
||
|
UNUSED(u1_nal_unit_type);
|
||
|
UNUSED(u2_u4_max_pic_num_minus1);
|
||
|
u1_buf_mode = ps_dpb_cmds->u1_buf_mode; //0 - sliding window; 1 - Adaptive
|
||
|
u1_marked_lt = 0;
|
||
|
u1_num_gaps = ps_dpb_mgr->u1_num_gaps;
|
||
|
|
||
|
if(!u1_buf_mode)
|
||
|
{
|
||
|
//Sliding window - implements 8.2.5.3
|
||
|
if((ps_dpb_mgr->u1_num_st_ref_bufs
|
||
|
+ ps_dpb_mgr->u1_num_lt_ref_bufs + u1_num_gaps)
|
||
|
== u1_numRef_frames_for_seq)
|
||
|
{
|
||
|
UWORD8 u1_new_node_flag = 1;
|
||
|
if((0 == ps_dpb_mgr->u1_num_st_ref_bufs) && (0 == u1_num_gaps))
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
|
||
|
// Chase the links to reach the last but one picNum, if available
|
||
|
ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head;
|
||
|
|
||
|
if(ps_dpb_mgr->u1_num_st_ref_bufs > 1)
|
||
|
{
|
||
|
if(ps_next_dpb->i4_frame_num == (WORD32)u4_cur_pic_num)
|
||
|
{
|
||
|
/* Incase of filed pictures top_field has been allocated */
|
||
|
/* picture buffer and complementary bottom field pair comes */
|
||
|
/* then the sliding window mechanism should not allocate a */
|
||
|
/* new node */
|
||
|
u1_new_node_flag = 0;
|
||
|
}
|
||
|
|
||
|
for(i = 1; i < (ps_dpb_mgr->u1_num_st_ref_bufs - 1); i++)
|
||
|
{
|
||
|
if(ps_next_dpb == NULL)
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
if(ps_next_dpb->i4_frame_num == (WORD32)u4_cur_pic_num)
|
||
|
{
|
||
|
/* Incase of field pictures top_field has been allocated */
|
||
|
/* picture buffer and complementary bottom field pair comes */
|
||
|
/* then the sliding window mechanism should not allocate a */
|
||
|
/* new node */
|
||
|
u1_new_node_flag = 0;
|
||
|
}
|
||
|
ps_next_dpb = ps_next_dpb->ps_prev_short;
|
||
|
}
|
||
|
|
||
|
if(ps_next_dpb->ps_prev_short->ps_prev_short != NULL)
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
|
||
|
if(u1_new_node_flag)
|
||
|
{
|
||
|
if(u1_num_gaps)
|
||
|
{
|
||
|
ret = ih264d_delete_gap_frm_sliding(ps_dpb_mgr,
|
||
|
ps_next_dpb->ps_prev_short->i4_frame_num,
|
||
|
&u1_del_node);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
if(u1_del_node)
|
||
|
{
|
||
|
ps_dpb_mgr->u1_num_st_ref_bufs--;
|
||
|
ps_next_dpb->ps_prev_short->u1_used_as_ref =
|
||
|
UNUSED_FOR_REF;
|
||
|
ps_next_dpb->ps_prev_short->s_top_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ps_next_dpb->ps_prev_short->s_bot_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
|
||
|
ps_next_dpb->ps_prev_short->u1_buf_id);
|
||
|
ps_next_dpb->ps_prev_short->ps_pic_buf = NULL;
|
||
|
ps_next_dpb->ps_prev_short = NULL;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(ps_dpb_mgr->u1_num_st_ref_bufs)
|
||
|
{
|
||
|
ret = ih264d_delete_gap_frm_sliding(ps_dpb_mgr,
|
||
|
ps_next_dpb->i4_frame_num,
|
||
|
&u1_del_node);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
if((ps_next_dpb->i4_frame_num != (WORD32)u4_cur_pic_num)
|
||
|
&& u1_del_node)
|
||
|
{
|
||
|
ps_dpb_mgr->u1_num_st_ref_bufs--;
|
||
|
ps_next_dpb->u1_used_as_ref = FALSE;
|
||
|
ps_next_dpb->s_top_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ps_next_dpb->s_bot_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
|
||
|
ps_next_dpb->u1_buf_id);
|
||
|
ps_next_dpb->ps_pic_buf = NULL;
|
||
|
ps_next_dpb->ps_prev_short = NULL;
|
||
|
ps_dpb_mgr->ps_dpb_st_head = NULL;
|
||
|
ps_next_dpb = NULL;
|
||
|
}
|
||
|
else if(ps_next_dpb->i4_frame_num == (WORD32)u4_cur_pic_num)
|
||
|
{
|
||
|
if(u1_curr_pic_in_err)
|
||
|
{
|
||
|
u1_insert_st_pic = 0;
|
||
|
}
|
||
|
else if(ps_dpb_mgr->u1_num_st_ref_bufs > 0)
|
||
|
{
|
||
|
ps_dpb_mgr->u1_num_st_ref_bufs--;
|
||
|
ps_next_dpb->u1_used_as_ref = FALSE;
|
||
|
ps_next_dpb->s_top_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ps_next_dpb->s_bot_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
|
||
|
ps_next_dpb->u1_buf_id);
|
||
|
ps_next_dpb->ps_pic_buf = NULL;
|
||
|
ps_next_dpb = NULL;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ret = ih264d_delete_gap_frm_sliding(ps_dpb_mgr,
|
||
|
INVALID_FRAME_NUM,
|
||
|
&u1_del_node);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
if(u1_del_node)
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
//Adaptive memory control - implements 8.2.5.4
|
||
|
UWORD32 u4_mmco;
|
||
|
UWORD32 u4_diff_pic_num;
|
||
|
WORD32 i4_pic_num;
|
||
|
UWORD32 u4_lt_idx;
|
||
|
WORD32 j;
|
||
|
struct MMCParams *ps_mmc_params;
|
||
|
|
||
|
for(j = 0; j < ps_dpb_cmds->u1_num_of_commands; j++)
|
||
|
{
|
||
|
ps_mmc_params = &ps_dpb_cmds->as_mmc_params[j];
|
||
|
u4_mmco = ps_mmc_params->u4_mmco; //Get MMCO
|
||
|
|
||
|
switch(u4_mmco)
|
||
|
{
|
||
|
case MARK_ST_PICNUM_AS_NONREF:
|
||
|
{
|
||
|
|
||
|
{
|
||
|
UWORD32 i4_cur_pic_num = u4_cur_pic_num;
|
||
|
WORD64 i8_pic_num;
|
||
|
u4_diff_pic_num = ps_mmc_params->u4_diff_pic_num; //Get absDiffPicnumMinus1
|
||
|
if(u1_fld_pic_flag)
|
||
|
i4_cur_pic_num = i4_cur_pic_num * 2 + 1;
|
||
|
i8_pic_num = ((WORD64)i4_cur_pic_num - ((WORD64)u4_diff_pic_num + 1));
|
||
|
if(IS_OUT_OF_RANGE_S32(i8_pic_num))
|
||
|
{
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
}
|
||
|
i4_pic_num = i8_pic_num;
|
||
|
}
|
||
|
|
||
|
if(ps_dpb_mgr->u1_num_st_ref_bufs > 0)
|
||
|
{
|
||
|
ret = ih264d_delete_st_node_or_make_lt(ps_dpb_mgr,
|
||
|
i4_pic_num,
|
||
|
MAX_REF_BUFS + 1,
|
||
|
u1_fld_pic_flag);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
UWORD8 u1_dummy;
|
||
|
ret = ih264d_delete_gap_frm_mmco(ps_dpb_mgr, i4_pic_num, &u1_dummy);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
case MARK_LT_INDEX_AS_NONREF:
|
||
|
{
|
||
|
WORD32 i4_status;
|
||
|
u4_lt_idx = ps_mmc_params->u4_lt_idx; //Get long term index
|
||
|
ret = ih264d_delete_lt_node(ps_dpb_mgr,
|
||
|
u4_lt_idx,
|
||
|
u1_fld_pic_flag,
|
||
|
0, &i4_status);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
if(i4_status)
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
case MARK_ST_PICNUM_AS_LT_INDEX:
|
||
|
{
|
||
|
{
|
||
|
UWORD32 i4_cur_pic_num = u4_cur_pic_num;
|
||
|
WORD64 i8_pic_num;
|
||
|
u4_diff_pic_num = ps_mmc_params->u4_diff_pic_num; //Get absDiffPicnumMinus1
|
||
|
if(u1_fld_pic_flag)
|
||
|
i4_cur_pic_num = i4_cur_pic_num * 2 + 1;
|
||
|
|
||
|
i8_pic_num = (WORD64)i4_cur_pic_num - ((WORD64)u4_diff_pic_num + 1);
|
||
|
if(IS_OUT_OF_RANGE_S32(i8_pic_num))
|
||
|
{
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
}
|
||
|
i4_pic_num = i8_pic_num;
|
||
|
}
|
||
|
|
||
|
u4_lt_idx = ps_mmc_params->u4_lt_idx; //Get long term index
|
||
|
|
||
|
if((ps_dpb_mgr->u1_max_lt_frame_idx == NO_LONG_TERM_INDICIES) ||
|
||
|
(u4_lt_idx > ps_dpb_mgr->u1_max_lt_frame_idx))
|
||
|
{
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
}
|
||
|
|
||
|
if(ps_dpb_mgr->u1_num_st_ref_bufs > 0)
|
||
|
{
|
||
|
ret = ih264d_delete_st_node_or_make_lt(ps_dpb_mgr,
|
||
|
i4_pic_num, u4_lt_idx,
|
||
|
u1_fld_pic_flag);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
case SET_MAX_LT_INDEX:
|
||
|
{
|
||
|
UWORD8 uc_numLT = ps_dpb_mgr->u1_num_lt_ref_bufs;
|
||
|
u4_lt_idx = ps_mmc_params->u4_max_lt_idx_plus1; //Get Max_long_term_index_plus1
|
||
|
if(u4_lt_idx <= ps_dpb_mgr->u1_max_lt_frame_idx
|
||
|
&& uc_numLT > 0)
|
||
|
{
|
||
|
struct dpb_info_t *ps_nxtDPB;
|
||
|
//Set all LT buffers with index >= u4_lt_idx to nonreference
|
||
|
ps_nxtDPB = ps_dpb_mgr->ps_dpb_ht_head;
|
||
|
ps_next_dpb = ps_nxtDPB->ps_prev_long;
|
||
|
if(ps_nxtDPB->u1_lt_idx >= u4_lt_idx)
|
||
|
{
|
||
|
i = 0;
|
||
|
ps_dpb_mgr->ps_dpb_ht_head = NULL;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
for(i = 1; i < uc_numLT; i++)
|
||
|
{
|
||
|
if(ps_next_dpb->u1_lt_idx >= u4_lt_idx)
|
||
|
break;
|
||
|
ps_nxtDPB = ps_next_dpb;
|
||
|
ps_next_dpb = ps_next_dpb->ps_prev_long;
|
||
|
}
|
||
|
ps_nxtDPB->ps_prev_long = NULL; //Terminate the link of the closest LTIndex that is <=Max
|
||
|
}
|
||
|
ps_dpb_mgr->u1_num_lt_ref_bufs = i;
|
||
|
if(i == 0)
|
||
|
ps_next_dpb = ps_nxtDPB;
|
||
|
|
||
|
for(; i < uc_numLT; i++)
|
||
|
{
|
||
|
ps_nxtDPB = ps_next_dpb;
|
||
|
ps_nxtDPB->u1_lt_idx = MAX_REF_BUFS + 1;
|
||
|
ps_nxtDPB->u1_used_as_ref = UNUSED_FOR_REF;
|
||
|
ps_nxtDPB->s_top_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ps_nxtDPB->s_bot_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
|
||
|
ps_nxtDPB->ps_pic_buf = NULL;
|
||
|
//Release buffer
|
||
|
ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
|
||
|
ps_nxtDPB->u1_buf_id);
|
||
|
ps_next_dpb = ps_nxtDPB->ps_prev_long;
|
||
|
ps_nxtDPB->ps_prev_long = NULL;
|
||
|
}
|
||
|
}
|
||
|
if(u4_lt_idx == 0)
|
||
|
{
|
||
|
ps_dpb_mgr->u1_max_lt_frame_idx = NO_LONG_TERM_INDICIES;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ps_dpb_mgr->u1_max_lt_frame_idx = u4_lt_idx - 1;
|
||
|
}
|
||
|
|
||
|
break;
|
||
|
}
|
||
|
case SET_LT_INDEX:
|
||
|
{
|
||
|
u4_lt_idx = ps_mmc_params->u4_lt_idx; //Get long term index
|
||
|
if((ps_dpb_mgr->u1_max_lt_frame_idx == NO_LONG_TERM_INDICIES) ||
|
||
|
(u4_lt_idx > ps_dpb_mgr->u1_max_lt_frame_idx))
|
||
|
{
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
}
|
||
|
ret = ih264d_insert_st_node(ps_dpb_mgr, ps_pic_buf, u1_buf_id,
|
||
|
u4_cur_pic_num);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
|
||
|
if(ps_dpb_mgr->u1_num_st_ref_bufs > 0)
|
||
|
|
||
|
{
|
||
|
ret = ih264d_delete_st_node_or_make_lt(ps_dpb_mgr,
|
||
|
u4_cur_pic_num,
|
||
|
u4_lt_idx,
|
||
|
u1_fld_pic_flag);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
}
|
||
|
|
||
|
u1_marked_lt = 1;
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
if(u4_mmco == RESET_REF_PICTURES || u4_mmco == RESET_ALL_PICTURES)
|
||
|
{
|
||
|
ih264d_reset_ref_bufs(ps_dpb_mgr);
|
||
|
u4_cur_pic_num = 0;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
if(!u1_marked_lt && u1_insert_st_pic)
|
||
|
{
|
||
|
ret = ih264d_insert_st_node(ps_dpb_mgr, ps_pic_buf, u1_buf_id,
|
||
|
u4_cur_pic_num);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
return OK;
|
||
|
}
|
||
|
|
||
|
/*****************************************************************************/
|
||
|
/* */
|
||
|
/* Function Name : ih264d_release_pics_in_dpb */
|
||
|
/* */
|
||
|
/* Description : This function deletes all pictures from DPB */
|
||
|
/* */
|
||
|
/* Inputs : h_pic_buf_api: pointer to picture buffer API */
|
||
|
/* u1_disp_bufs: number pictures ready for display */
|
||
|
/* */
|
||
|
/* Globals : None */
|
||
|
/* Outputs : None */
|
||
|
/* Returns : None */
|
||
|
/* */
|
||
|
/* Issues : None */
|
||
|
/* */
|
||
|
/* Revision History: */
|
||
|
/* */
|
||
|
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
|
||
|
/* 22 06 2005 NS Draft */
|
||
|
/* */
|
||
|
/*****************************************************************************/
|
||
|
void ih264d_release_pics_in_dpb(void *pv_dec,
|
||
|
UWORD8 u1_disp_bufs)
|
||
|
{
|
||
|
WORD8 i;
|
||
|
dec_struct_t *ps_dec = (dec_struct_t *)pv_dec;
|
||
|
|
||
|
for(i = 0; i < u1_disp_bufs; i++)
|
||
|
{
|
||
|
ih264_buf_mgr_release((buf_mgr_t *)ps_dec->pv_pic_buf_mgr,
|
||
|
i,
|
||
|
BUF_MGR_REF);
|
||
|
ih264_buf_mgr_release((buf_mgr_t *)ps_dec->pv_mv_buf_mgr,
|
||
|
ps_dec->au1_pic_buf_id_mv_buf_id_map[i],
|
||
|
BUF_MGR_REF);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/*****************************************************************************/
|
||
|
/* */
|
||
|
/* Function Name : ih264d_delete_gap_frm_sliding */
|
||
|
/* */
|
||
|
/* Description : This function deletes a picture from the list of gaps, */
|
||
|
/* if the frame number of gap frame is lesser than the one */
|
||
|
/* to be deleted by sliding window */
|
||
|
/* Inputs : ps_dpb_mgr: pointer to dpb manager */
|
||
|
/* i4_frame_num: frame number of picture that's going to */
|
||
|
/* be deleted by sliding window */
|
||
|
/* pu1_del_node: holds 0 if a gap is deleted else 1 */
|
||
|
/* Globals : None */
|
||
|
/* Processing : Function searches for frame number lesser than */
|
||
|
/* i4_frame_num in the gaps list */
|
||
|
/* Outputs : None */
|
||
|
/* Returns : None */
|
||
|
/* */
|
||
|
/* Issues : None */
|
||
|
/* */
|
||
|
/* Revision History: */
|
||
|
/* */
|
||
|
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
|
||
|
/* 22 06 2005 NS Draft */
|
||
|
/* */
|
||
|
/*****************************************************************************/
|
||
|
WORD32 ih264d_delete_gap_frm_sliding(dpb_manager_t *ps_dpb_mgr,
|
||
|
WORD32 i4_frame_num,
|
||
|
UWORD8 *pu1_del_node)
|
||
|
{
|
||
|
WORD8 i1_gap_idx, i, j, j_min;
|
||
|
WORD32 *pi4_gaps_start_frm_num, *pi4_gaps_end_frm_num, i4_gap_frame_num;
|
||
|
WORD32 i4_start_frm_num, i4_end_frm_num;
|
||
|
WORD32 i4_max_frm_num;
|
||
|
WORD32 i4_frm_num, i4_gap_frm_num_min;
|
||
|
|
||
|
/* find the least frame num from gaps and current DPB node */
|
||
|
/* Delete the least one */
|
||
|
*pu1_del_node = 1;
|
||
|
if(0 == ps_dpb_mgr->u1_num_gaps)
|
||
|
return OK;
|
||
|
pi4_gaps_start_frm_num = ps_dpb_mgr->ai4_gaps_start_frm_num;
|
||
|
pi4_gaps_end_frm_num = ps_dpb_mgr->ai4_gaps_end_frm_num;
|
||
|
i4_gap_frame_num = INVALID_FRAME_NUM;
|
||
|
i4_max_frm_num = ps_dpb_mgr->i4_max_frm_num;
|
||
|
|
||
|
i1_gap_idx = -1;
|
||
|
if(INVALID_FRAME_NUM != i4_frame_num)
|
||
|
{
|
||
|
i4_gap_frame_num = i4_frame_num;
|
||
|
for(i = 0; i < MAX_FRAMES; i++)
|
||
|
{
|
||
|
i4_start_frm_num = pi4_gaps_start_frm_num[i];
|
||
|
if(INVALID_FRAME_NUM != i4_start_frm_num)
|
||
|
{
|
||
|
i4_end_frm_num = pi4_gaps_end_frm_num[i];
|
||
|
if(i4_end_frm_num < i4_max_frm_num)
|
||
|
{
|
||
|
if(i4_start_frm_num <= i4_gap_frame_num)
|
||
|
{
|
||
|
i4_gap_frame_num = i4_start_frm_num;
|
||
|
i1_gap_idx = i;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(((i4_start_frm_num <= i4_gap_frame_num)
|
||
|
&& (i4_gap_frame_num <= i4_max_frm_num))
|
||
|
|| ((i4_start_frm_num >= i4_gap_frame_num)
|
||
|
&& ((i4_gap_frame_num
|
||
|
+ i4_max_frm_num)
|
||
|
>= i4_end_frm_num)))
|
||
|
{
|
||
|
i4_gap_frame_num = i4_start_frm_num;
|
||
|
i1_gap_idx = i;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
/* no valid short term buffers, delete one gap from the least start */
|
||
|
/* of gap sequence */
|
||
|
i4_gap_frame_num = pi4_gaps_start_frm_num[0];
|
||
|
i1_gap_idx = 0;
|
||
|
for(i = 1; i < MAX_FRAMES; i++)
|
||
|
{
|
||
|
if(INVALID_FRAME_NUM != pi4_gaps_start_frm_num[i])
|
||
|
{
|
||
|
if(pi4_gaps_start_frm_num[i] < i4_gap_frame_num)
|
||
|
{
|
||
|
i4_gap_frame_num = pi4_gaps_start_frm_num[i];
|
||
|
i1_gap_idx = i;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
if(INVALID_FRAME_NUM == i4_gap_frame_num)
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if(-1 != i1_gap_idx)
|
||
|
{
|
||
|
/* find least frame_num in the poc_map, which is in this range */
|
||
|
i4_start_frm_num = pi4_gaps_start_frm_num[i1_gap_idx];
|
||
|
if(i4_start_frm_num < 0)
|
||
|
i4_start_frm_num += i4_max_frm_num;
|
||
|
i4_end_frm_num = pi4_gaps_end_frm_num[i1_gap_idx];
|
||
|
if(i4_end_frm_num < 0)
|
||
|
i4_end_frm_num += i4_max_frm_num;
|
||
|
|
||
|
i4_gap_frm_num_min = 0xfffffff;
|
||
|
j_min = MAX_FRAMES;
|
||
|
for(j = 0; j < MAX_FRAMES; j++)
|
||
|
{
|
||
|
i4_frm_num = ps_dpb_mgr->ai4_poc_buf_id_map[j][2];
|
||
|
if((i4_start_frm_num <= i4_frm_num)
|
||
|
&& (i4_end_frm_num >= i4_frm_num))
|
||
|
{
|
||
|
if(i4_frm_num < i4_gap_frm_num_min)
|
||
|
{
|
||
|
j_min = j;
|
||
|
i4_gap_frm_num_min = i4_frm_num;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if(j_min != MAX_FRAMES)
|
||
|
{
|
||
|
|
||
|
ps_dpb_mgr->ai4_poc_buf_id_map[j_min][0] = -1;
|
||
|
ps_dpb_mgr->ai4_poc_buf_id_map[j_min][1] = 0x7fffffff;
|
||
|
ps_dpb_mgr->ai4_poc_buf_id_map[j_min][2] = GAP_FRAME_NUM;
|
||
|
ps_dpb_mgr->i1_gaps_deleted++;
|
||
|
|
||
|
ps_dpb_mgr->ai1_gaps_per_seq[i1_gap_idx]--;
|
||
|
ps_dpb_mgr->u1_num_gaps--;
|
||
|
*pu1_del_node = 0;
|
||
|
if(0 == ps_dpb_mgr->ai1_gaps_per_seq[i1_gap_idx])
|
||
|
{
|
||
|
ps_dpb_mgr->ai4_gaps_start_frm_num[i1_gap_idx] =
|
||
|
INVALID_FRAME_NUM;
|
||
|
ps_dpb_mgr->ai4_gaps_end_frm_num[i1_gap_idx] = 0;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return OK;
|
||
|
}
|
||
|
|
||
|
/*****************************************************************************/
|
||
|
/* */
|
||
|
/* Function Name : ih264d_delete_gap_frm_mmco */
|
||
|
/* */
|
||
|
/* Description : This function deletes a picture from the list of gaps, */
|
||
|
/* if the frame number (specified by mmco commands) to be */
|
||
|
/* deleted is in the range by gap sequence. */
|
||
|
/* */
|
||
|
/* Inputs : ps_dpb_mgr: pointer to dpb manager */
|
||
|
/* i4_frame_num: frame number of picture that's going to */
|
||
|
/* be deleted by mmco */
|
||
|
/* pu1_del_node: holds 0 if a gap is deleted else 1 */
|
||
|
/* Globals : None */
|
||
|
/* Processing : Function searches for frame number lesser in the range */
|
||
|
/* specified by gap sequence */
|
||
|
/* Outputs : None */
|
||
|
/* Returns : None */
|
||
|
/* */
|
||
|
/* Issues : None */
|
||
|
/* */
|
||
|
/* Revision History: */
|
||
|
/* */
|
||
|
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
|
||
|
/* 22 06 2005 NS Draft */
|
||
|
/* */
|
||
|
/*****************************************************************************/
|
||
|
WORD32 ih264d_delete_gap_frm_mmco(dpb_manager_t *ps_dpb_mgr,
|
||
|
WORD32 i4_frame_num,
|
||
|
UWORD8 *pu1_del_node)
|
||
|
{
|
||
|
WORD8 i, j;
|
||
|
WORD32 *pi4_start, *pi4_end;
|
||
|
WORD32 i4_start_frm_num, i4_end_frm_num, i4_max_frm_num;
|
||
|
|
||
|
/* find the least frame num from gaps and current DPB node */
|
||
|
/* Delete the gaps */
|
||
|
*pu1_del_node = 1;
|
||
|
pi4_start = ps_dpb_mgr->ai4_gaps_start_frm_num;
|
||
|
pi4_end = ps_dpb_mgr->ai4_gaps_end_frm_num;
|
||
|
i4_max_frm_num = ps_dpb_mgr->i4_max_frm_num;
|
||
|
|
||
|
if(0 == ps_dpb_mgr->u1_num_gaps)
|
||
|
return OK;
|
||
|
|
||
|
if(i4_frame_num < 0)
|
||
|
i4_frame_num += i4_max_frm_num;
|
||
|
for(i = 0; i < MAX_FRAMES; i++)
|
||
|
{
|
||
|
i4_start_frm_num = pi4_start[i];
|
||
|
if(i4_start_frm_num < 0)
|
||
|
i4_start_frm_num += i4_max_frm_num;
|
||
|
if(INVALID_FRAME_NUM != i4_start_frm_num)
|
||
|
{
|
||
|
i4_end_frm_num = pi4_end[i];
|
||
|
if(i4_end_frm_num < 0)
|
||
|
i4_end_frm_num += i4_max_frm_num;
|
||
|
|
||
|
if((i4_frame_num >= i4_start_frm_num)
|
||
|
&& (i4_frame_num <= i4_end_frm_num))
|
||
|
{
|
||
|
break;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(((i4_frame_num + i4_max_frm_num) >= i4_start_frm_num)
|
||
|
&& ((i4_frame_num + i4_max_frm_num)
|
||
|
<= i4_end_frm_num))
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* find frame_num index, in the poc_map which needs to be deleted */
|
||
|
for(j = 0; j < MAX_FRAMES; j++)
|
||
|
{
|
||
|
if(i4_frame_num == ps_dpb_mgr->ai4_poc_buf_id_map[j][2])
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
if(MAX_FRAMES != i)
|
||
|
{
|
||
|
if(j == MAX_FRAMES)
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
|
||
|
ps_dpb_mgr->ai4_poc_buf_id_map[j][0] = -1;
|
||
|
ps_dpb_mgr->ai4_poc_buf_id_map[j][1] = 0x7fffffff;
|
||
|
ps_dpb_mgr->ai4_poc_buf_id_map[j][2] = GAP_FRAME_NUM;
|
||
|
ps_dpb_mgr->i1_gaps_deleted++;
|
||
|
|
||
|
ps_dpb_mgr->ai1_gaps_per_seq[i]--;
|
||
|
ps_dpb_mgr->u1_num_gaps--;
|
||
|
*pu1_del_node = 0;
|
||
|
if(0 == ps_dpb_mgr->ai1_gaps_per_seq[i])
|
||
|
{
|
||
|
ps_dpb_mgr->ai4_gaps_start_frm_num[i] = INVALID_FRAME_NUM;
|
||
|
ps_dpb_mgr->ai4_gaps_end_frm_num[i] = 0;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
|
||
|
return OK;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : ih264d_do_mmco_for_gaps \endif
|
||
|
*
|
||
|
* \brief
|
||
|
* Perform decoded picture buffer memory management control operations
|
||
|
*
|
||
|
* \return
|
||
|
* 0 - No error; -1 - Error
|
||
|
*
|
||
|
* \note
|
||
|
* Bitstream is also parsed here to get the MMCOs
|
||
|
*
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
WORD32 ih264d_do_mmco_for_gaps(dpb_manager_t *ps_dpb_mgr,
|
||
|
UWORD8 u1_num_ref_frames /*!< num_ref_frames from active SeqParSet*/
|
||
|
)
|
||
|
{
|
||
|
struct dpb_info_t *ps_next_dpb;
|
||
|
UWORD8 u1_num_gaps;
|
||
|
UWORD8 u1_st_ref_bufs, u1_lt_ref_bufs, u1_del_node;
|
||
|
WORD8 i;
|
||
|
WORD32 i4_frame_gaps = 1;
|
||
|
WORD32 ret;
|
||
|
|
||
|
//Sliding window - implements 8.2.5.3, flush out buffers
|
||
|
u1_st_ref_bufs = ps_dpb_mgr->u1_num_st_ref_bufs;
|
||
|
u1_lt_ref_bufs = ps_dpb_mgr->u1_num_lt_ref_bufs;
|
||
|
|
||
|
while(1)
|
||
|
{
|
||
|
u1_num_gaps = ps_dpb_mgr->u1_num_gaps;
|
||
|
if((u1_st_ref_bufs + u1_lt_ref_bufs + u1_num_gaps + i4_frame_gaps)
|
||
|
> u1_num_ref_frames)
|
||
|
{
|
||
|
if(0 == (u1_st_ref_bufs + u1_num_gaps))
|
||
|
{
|
||
|
i4_frame_gaps = 0;
|
||
|
ps_dpb_mgr->u1_num_gaps = (u1_num_ref_frames
|
||
|
- u1_lt_ref_bufs);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
u1_del_node = 1;
|
||
|
ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head;
|
||
|
|
||
|
if(u1_st_ref_bufs > 1)
|
||
|
{
|
||
|
for(i = 1; i < (u1_st_ref_bufs - 1); i++)
|
||
|
{
|
||
|
if(ps_next_dpb == NULL)
|
||
|
{
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_DBP_MANAGER_T;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
ps_next_dpb = ps_next_dpb->ps_prev_short;
|
||
|
}
|
||
|
|
||
|
if(ps_next_dpb->ps_prev_short->ps_prev_short != NULL)
|
||
|
{
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
}
|
||
|
|
||
|
if(u1_num_gaps)
|
||
|
{
|
||
|
ret = ih264d_delete_gap_frm_sliding(ps_dpb_mgr,
|
||
|
ps_next_dpb->ps_prev_short->i4_frame_num,
|
||
|
&u1_del_node);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
if(u1_del_node)
|
||
|
{
|
||
|
u1_st_ref_bufs--;
|
||
|
ps_next_dpb->ps_prev_short->u1_used_as_ref =
|
||
|
UNUSED_FOR_REF;
|
||
|
ps_next_dpb->ps_prev_short->s_top_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ps_next_dpb->ps_prev_short->s_bot_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
|
||
|
ps_next_dpb->ps_prev_short->u1_buf_id);
|
||
|
ps_next_dpb->ps_prev_short->ps_pic_buf = NULL;
|
||
|
ps_next_dpb->ps_prev_short = NULL;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(u1_st_ref_bufs)
|
||
|
{
|
||
|
if(u1_num_gaps)
|
||
|
{
|
||
|
ret = ih264d_delete_gap_frm_sliding(ps_dpb_mgr,
|
||
|
ps_next_dpb->i4_frame_num,
|
||
|
&u1_del_node);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
if(u1_del_node)
|
||
|
{
|
||
|
u1_st_ref_bufs--;
|
||
|
ps_next_dpb->u1_used_as_ref = FALSE;
|
||
|
ps_next_dpb->s_top_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ps_next_dpb->s_bot_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
|
||
|
ps_next_dpb->u1_buf_id);
|
||
|
ps_next_dpb->ps_pic_buf = NULL;
|
||
|
ps_next_dpb = NULL;
|
||
|
ps_dpb_mgr->ps_dpb_st_head = NULL;
|
||
|
ps_dpb_mgr->u1_num_st_ref_bufs = u1_st_ref_bufs;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ret = ih264d_delete_gap_frm_sliding(ps_dpb_mgr,
|
||
|
INVALID_FRAME_NUM,
|
||
|
&u1_del_node);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
if(u1_del_node)
|
||
|
{
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ps_dpb_mgr->u1_num_gaps += i4_frame_gaps;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
ps_dpb_mgr->u1_num_st_ref_bufs = u1_st_ref_bufs;
|
||
|
|
||
|
return OK;
|
||
|
}
|
||
|
/****************************************************************************/
|
||
|
/* */
|
||
|
/* Function Name : ih264d_free_node_from_dpb */
|
||
|
/* */
|
||
|
/* Description : */
|
||
|
/* */
|
||
|
/* Inputs : */
|
||
|
/* */
|
||
|
/* Globals : */
|
||
|
/* */
|
||
|
/* Processing : */
|
||
|
/* */
|
||
|
/* Outputs : */
|
||
|
/* */
|
||
|
/* Returns : */
|
||
|
/* */
|
||
|
/* Known Issues : */
|
||
|
/* */
|
||
|
/* Revision History */
|
||
|
/* */
|
||
|
/* DD MM YY Author Changes */
|
||
|
/* Sarat */
|
||
|
/****************************************************************************/
|
||
|
/**** Function Added for Error Resilience *****/
|
||
|
WORD32 ih264d_free_node_from_dpb(dpb_manager_t *ps_dpb_mgr,
|
||
|
UWORD32 u4_cur_pic_num,
|
||
|
UWORD8 u1_numRef_frames_for_seq)
|
||
|
{
|
||
|
WORD32 i;
|
||
|
UWORD8 u1_num_gaps = ps_dpb_mgr->u1_num_gaps;
|
||
|
struct dpb_info_t *ps_next_dpb;
|
||
|
UWORD8 u1_del_node = 1;
|
||
|
WORD32 ret;
|
||
|
|
||
|
//Sliding window - implements 8.2.5.3
|
||
|
if((ps_dpb_mgr->u1_num_st_ref_bufs + ps_dpb_mgr->u1_num_lt_ref_bufs
|
||
|
+ u1_num_gaps) == u1_numRef_frames_for_seq)
|
||
|
{
|
||
|
UWORD8 u1_new_node_flag = 1;
|
||
|
if((0 == ps_dpb_mgr->u1_num_st_ref_bufs) && (0 == u1_num_gaps))
|
||
|
{
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
}
|
||
|
|
||
|
// Chase the links to reach the last but one picNum, if available
|
||
|
ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head;
|
||
|
|
||
|
if(ps_dpb_mgr->u1_num_st_ref_bufs > 1)
|
||
|
{
|
||
|
if(ps_next_dpb->i4_frame_num == (WORD32)u4_cur_pic_num)
|
||
|
{
|
||
|
/* Incase of filed pictures top_field has been allocated */
|
||
|
/* picture buffer and complementary bottom field pair comes */
|
||
|
/* then the sliding window mechanism should not allocate a */
|
||
|
/* new node */
|
||
|
u1_new_node_flag = 0;
|
||
|
}
|
||
|
|
||
|
for(i = 1; i < (ps_dpb_mgr->u1_num_st_ref_bufs - 1); i++)
|
||
|
{
|
||
|
if(ps_next_dpb == NULL)
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
|
||
|
if(ps_next_dpb->i4_frame_num == (WORD32)u4_cur_pic_num)
|
||
|
{
|
||
|
/* Incase of field pictures top_field has been allocated */
|
||
|
/* picture buffer and complementary bottom field pair comes */
|
||
|
/* then the sliding window mechanism should not allocate a */
|
||
|
/* new node */
|
||
|
u1_new_node_flag = 0;
|
||
|
}
|
||
|
ps_next_dpb = ps_next_dpb->ps_prev_short;
|
||
|
}
|
||
|
|
||
|
if(ps_next_dpb->ps_prev_short->ps_prev_short != NULL)
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
|
||
|
if(u1_new_node_flag)
|
||
|
{
|
||
|
if(u1_num_gaps)
|
||
|
{
|
||
|
ret = ih264d_delete_gap_frm_sliding(ps_dpb_mgr,
|
||
|
ps_next_dpb->ps_prev_short->i4_frame_num,
|
||
|
&u1_del_node);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
if(u1_del_node)
|
||
|
{
|
||
|
ps_dpb_mgr->u1_num_st_ref_bufs--;
|
||
|
ps_next_dpb->ps_prev_short->u1_used_as_ref = UNUSED_FOR_REF;
|
||
|
ps_next_dpb->ps_prev_short->s_top_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ps_next_dpb->ps_prev_short->s_bot_field.u1_reference_info =
|
||
|
UNUSED_FOR_REF;
|
||
|
ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
|
||
|
ps_next_dpb->ps_prev_short->u1_buf_id);
|
||
|
ps_next_dpb->ps_prev_short->ps_pic_buf = NULL;
|
||
|
ps_next_dpb->ps_prev_short = NULL;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(ps_dpb_mgr->u1_num_st_ref_bufs)
|
||
|
{
|
||
|
ret = ih264d_delete_gap_frm_sliding(ps_dpb_mgr,
|
||
|
ps_next_dpb->i4_frame_num,
|
||
|
&u1_del_node);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
if((ps_next_dpb->i4_frame_num != (WORD32)u4_cur_pic_num)
|
||
|
&& u1_del_node)
|
||
|
{
|
||
|
ps_dpb_mgr->u1_num_st_ref_bufs--;
|
||
|
ps_next_dpb->u1_used_as_ref = FALSE;
|
||
|
ps_next_dpb->s_top_field.u1_reference_info = UNUSED_FOR_REF;
|
||
|
ps_next_dpb->s_bot_field.u1_reference_info = UNUSED_FOR_REF;
|
||
|
ih264d_free_ref_pic_mv_bufs(ps_dpb_mgr->pv_codec_handle,
|
||
|
ps_next_dpb->u1_buf_id);
|
||
|
ps_next_dpb->ps_pic_buf = NULL;
|
||
|
ps_next_dpb = NULL;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ret = ih264d_delete_gap_frm_sliding(ps_dpb_mgr, INVALID_FRAME_NUM, &u1_del_node);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
if(u1_del_node)
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return OK;
|
||
|
}
|
||
|
/*****************************************************************************/
|
||
|
/* */
|
||
|
/* Function Name : ih264d_delete_nonref_nondisplay_pics */
|
||
|
/* */
|
||
|
/* Description : */
|
||
|
/* */
|
||
|
/* */
|
||
|
/* Inputs : */
|
||
|
/* Globals : */
|
||
|
/* Processing : */
|
||
|
/* */
|
||
|
/* Outputs : */
|
||
|
/* Returns : */
|
||
|
/* */
|
||
|
/* Issues : */
|
||
|
/* */
|
||
|
/* Revision History: */
|
||
|
/* */
|
||
|
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
|
||
|
/* 05 06 2007 Varun Draft */
|
||
|
/* */
|
||
|
/*****************************************************************************/
|
||
|
|
||
|
void ih264d_delete_nonref_nondisplay_pics(dpb_manager_t *ps_dpb_mgr)
|
||
|
{
|
||
|
WORD8 i;
|
||
|
WORD32 (*i4_poc_buf_id_map)[3] = ps_dpb_mgr->ai4_poc_buf_id_map;
|
||
|
|
||
|
/* remove all gaps marked as unused for ref */
|
||
|
for(i = 0; (i < MAX_FRAMES) && ps_dpb_mgr->i1_gaps_deleted; i++)
|
||
|
{
|
||
|
if(GAP_FRAME_NUM == i4_poc_buf_id_map[i][2])
|
||
|
{
|
||
|
ps_dpb_mgr->i1_gaps_deleted--;
|
||
|
ps_dpb_mgr->i1_poc_buf_id_entries--;
|
||
|
i4_poc_buf_id_map[i][0] = -1;
|
||
|
i4_poc_buf_id_map[i][1] = 0x7fffffff;
|
||
|
i4_poc_buf_id_map[i][2] = 0;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
/*****************************************************************************/
|
||
|
/* */
|
||
|
/* Function Name : ih264d_insert_pic_in_display_list */
|
||
|
/* */
|
||
|
/* Description : */
|
||
|
/* */
|
||
|
/* */
|
||
|
/* Inputs : */
|
||
|
/* Globals : */
|
||
|
/* Processing : */
|
||
|
/* */
|
||
|
/* Outputs : */
|
||
|
/* Returns : */
|
||
|
/* */
|
||
|
/* Issues : */
|
||
|
/* */
|
||
|
/* Revision History: */
|
||
|
/* */
|
||
|
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
|
||
|
/* 05 06 2007 Varun Draft */
|
||
|
/* */
|
||
|
/*****************************************************************************/
|
||
|
|
||
|
WORD32 ih264d_insert_pic_in_display_list(dpb_manager_t *ps_dpb_mgr,
|
||
|
UWORD8 u1_buf_id,
|
||
|
WORD32 i4_display_poc,
|
||
|
UWORD32 u4_frame_num)
|
||
|
{
|
||
|
WORD8 i;
|
||
|
WORD32 (*i4_poc_buf_id_map)[3] = ps_dpb_mgr->ai4_poc_buf_id_map;
|
||
|
|
||
|
for(i = 0; i < MAX_FRAMES; i++)
|
||
|
{
|
||
|
/* Find an empty slot */
|
||
|
if(i4_poc_buf_id_map[i][0] == -1)
|
||
|
{
|
||
|
if(GAP_FRAME_NUM == i4_poc_buf_id_map[i][2])
|
||
|
ps_dpb_mgr->i1_gaps_deleted--;
|
||
|
else
|
||
|
ps_dpb_mgr->i1_poc_buf_id_entries++;
|
||
|
|
||
|
i4_poc_buf_id_map[i][0] = u1_buf_id;
|
||
|
i4_poc_buf_id_map[i][1] = i4_display_poc;
|
||
|
i4_poc_buf_id_map[i][2] = u4_frame_num;
|
||
|
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if(MAX_FRAMES == i)
|
||
|
{
|
||
|
|
||
|
UWORD32 i4_error_code;
|
||
|
i4_error_code = ERROR_GAPS_IN_FRM_NUM;
|
||
|
return i4_error_code;
|
||
|
}
|
||
|
return OK;
|
||
|
}
|
||
|
|