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2222 lines
82 KiB
C
2222 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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/*!
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**************************************************************************
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* \file ih264d_parse_pslice.c
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*
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* \brief
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* Contains routines that decode a I slice type
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*
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* Detailed_description
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*
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* \date
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* 07/07/2003
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*
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* \author NS
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**************************************************************************
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*/
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#include <string.h>
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#include "ih264_defs.h"
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#include "ih264d_bitstrm.h"
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#include "ih264d_defs.h"
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#include "ih264d_debug.h"
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#include "ih264d_tables.h"
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#include "ih264d_structs.h"
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#include "ih264d_defs.h"
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#include "ih264d_parse_cavlc.h"
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#include "ih264d_mb_utils.h"
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#include "ih264d_parse_slice.h"
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#include "ih264d_mvpred.h"
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#include "ih264d_parse_islice.h"
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#include "ih264d_process_intra_mb.h"
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#include "ih264d_inter_pred.h"
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#include "ih264d_process_pslice.h"
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#include "ih264d_deblocking.h"
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#include "ih264d_cabac.h"
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#include "ih264d_parse_mb_header.h"
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#include "ih264d_error_handler.h"
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#include "ih264d_defs.h"
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#include "ih264d_format_conv.h"
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#include "ih264d_quant_scaling.h"
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#include "ih264d_thread_parse_decode.h"
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#include "ih264d_thread_compute_bs.h"
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#include "ih264d_process_bslice.h"
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#include "ithread.h"
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#include "ih264d_utils.h"
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#include "ih264d_format_conv.h"
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void ih264d_init_cabac_contexts(UWORD8 u1_slice_type, dec_struct_t * ps_dec);
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void ih264d_deblock_mb_level(dec_struct_t *ps_dec,
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dec_mb_info_t *ps_cur_mb_info,
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UWORD32 nmb_index);
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/*!
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**************************************************************************
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* \if Function name : ih264d_parse_pmb_cavlc \endif
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*
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* \brief
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* This function parses CAVLC syntax of a P MB.
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*
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* \return
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* 0 on Success and Error code otherwise
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**************************************************************************
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*/
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WORD32 ih264d_parse_pmb_cavlc(dec_struct_t * ps_dec,
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dec_mb_info_t * ps_cur_mb_info,
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UWORD8 u1_mb_num,
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UWORD8 u1_num_mbsNby2)
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{
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UWORD32 u1_num_mb_part;
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UWORD32 uc_sub_mb;
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dec_bit_stream_t * const ps_bitstrm = ps_dec->ps_bitstrm;
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UWORD32 * const pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
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UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
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parse_pmbarams_t * ps_parse_mb_data = ps_dec->ps_parse_mb_data
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+ u1_num_mbsNby2;
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WORD8 * pi1_ref_idx = ps_parse_mb_data->i1_ref_idx[0];
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const UWORD8 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag;
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const UWORD8 * pu1_num_mb_part = (const UWORD8 *)gau1_ih264d_num_mb_part;
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UWORD8 * pu1_col_info = ps_parse_mb_data->u1_col_info;
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UWORD32 u1_mb_type = ps_cur_mb_info->u1_mb_type;
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UWORD32 u4_sum_mb_mode_pack = 0;
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WORD32 ret;
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UWORD8 u1_no_submb_part_size_lt8x8_flag = 1;
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ps_cur_mb_info->u1_tran_form8x8 = 0;
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ps_cur_mb_info->ps_curmb->u1_tran_form8x8 = 0;
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ps_cur_mb_info->u1_yuv_dc_block_flag = 0;
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ps_cur_mb_info->u1_mb_mc_mode = u1_mb_type;
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uc_sub_mb = ((u1_mb_type == PRED_8x8) | (u1_mb_type == PRED_8x8R0));
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/* Reading the subMB type */
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if(uc_sub_mb)
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{
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WORD32 i;
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UWORD8 u1_colz = (PRED_8x8 << 6);
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for(i = 0; i < 4; i++)
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{
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UWORD32 ui_sub_mb_mode;
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//Inlined ih264d_uev
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UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst;
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UWORD32 u4_word, u4_ldz;
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/***************************************************************/
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/* Find leading zeros in next 32 bits */
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/***************************************************************/
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NEXTBITS_32(u4_word, u4_bitstream_offset, pu4_bitstrm_buf);
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u4_ldz = CLZ(u4_word);
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/* Flush the ps_bitstrm */
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u4_bitstream_offset += (u4_ldz + 1);
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/* Read the suffix from the ps_bitstrm */
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u4_word = 0;
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if(u4_ldz)
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GETBITS(u4_word, u4_bitstream_offset, pu4_bitstrm_buf,
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u4_ldz);
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*pu4_bitstrm_ofst = u4_bitstream_offset;
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ui_sub_mb_mode = ((1 << u4_ldz) + u4_word - 1);
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//Inlined ih264d_uev
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if(ui_sub_mb_mode > 3)
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{
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return ERROR_SUB_MB_TYPE;
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}
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else
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{
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u4_sum_mb_mode_pack = (u4_sum_mb_mode_pack << 8) | ui_sub_mb_mode;
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/* Storing collocated information */
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*pu1_col_info++ = u1_colz | (UWORD8)(ui_sub_mb_mode << 4);
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COPYTHECONTEXT("sub_mb_type", ui_sub_mb_mode);
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}
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/* check if Motion compensation is done below 8x8 */
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if(ui_sub_mb_mode != P_L0_8x8)
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{
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u1_no_submb_part_size_lt8x8_flag = 0;
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}
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}
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//
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u1_num_mb_part = 4;
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}
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else
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{
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*pu1_col_info++ = (u1_mb_type << 6);
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if(u1_mb_type)
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*pu1_col_info++ = (u1_mb_type << 6);
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u1_num_mb_part = pu1_num_mb_part[u1_mb_type];
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}
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/* Decoding reference index 0: For simple profile the following */
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/* conditions are always true (mb_field_decoding_flag == 0); */
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/* (MbPartPredMode != PredL1) */
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{
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UWORD8 uc_field = ps_cur_mb_info->u1_mb_field_decodingflag;
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UWORD8 uc_num_ref_idx_l0_active_minus1 =
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(ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0]
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<< (u1_mbaff & uc_field)) - 1;
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if((uc_num_ref_idx_l0_active_minus1 > 0) & (u1_mb_type != PRED_8x8R0))
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{
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if(1 == uc_num_ref_idx_l0_active_minus1)
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ih264d_parse_pmb_ref_index_cavlc_range1(
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u1_num_mb_part, ps_bitstrm, pi1_ref_idx,
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uc_num_ref_idx_l0_active_minus1);
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else
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{
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ret = ih264d_parse_pmb_ref_index_cavlc(
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u1_num_mb_part, ps_bitstrm, pi1_ref_idx,
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uc_num_ref_idx_l0_active_minus1);
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if(ret != OK)
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return ret;
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}
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}
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else
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{
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/* When there exists only a single frame to predict from */
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UWORD8 uc_i;
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for(uc_i = 0; uc_i < u1_num_mb_part; uc_i++)
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/* Storing Reference Idx Information */
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pi1_ref_idx[uc_i] = 0;
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}
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}
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{
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UWORD8 u1_p_idx, uc_i;
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parse_part_params_t * ps_part = ps_dec->ps_part;
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UWORD8 u1_sub_mb_mode, u1_num_subpart, u1_mb_part_width, u1_mb_part_height;
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UWORD8 u1_sub_mb_num;
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const UWORD8 * pu1_top_left_sub_mb_indx;
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mv_pred_t * ps_mv, *ps_mv_start = ps_dec->ps_mv_cur + (u1_mb_num << 4);
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/* Loading the table pointers */
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const UWORD8 * pu1_mb_partw = (const UWORD8 *)gau1_ih264d_mb_partw;
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const UWORD8 * pu1_mb_parth = (const UWORD8 *)gau1_ih264d_mb_parth;
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const UWORD8 * pu1_sub_mb_indx_mod =
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(const UWORD8 *)(gau1_ih264d_submb_indx_mod)
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+ (uc_sub_mb * 6);
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const UWORD8 * pu1_sub_mb_partw = (const UWORD8 *)gau1_ih264d_submb_partw;
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const UWORD8 * pu1_sub_mb_parth = (const UWORD8 *)gau1_ih264d_submb_parth;
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const UWORD8 * pu1_num_sub_mb_part =
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(const UWORD8 *)gau1_ih264d_num_submb_part;
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UWORD16 u2_sub_mb_num = 0x028A;
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/*********************************************************/
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/* default initialisations for condition (uc_sub_mb == 0) */
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/* i.e. all are subpartitions of 8x8 */
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/*********************************************************/
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u1_sub_mb_mode = 0;
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u1_num_subpart = 1;
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u1_mb_part_width = pu1_mb_partw[u1_mb_type];
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u1_mb_part_height = pu1_mb_parth[u1_mb_type];
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pu1_top_left_sub_mb_indx = pu1_sub_mb_indx_mod + (u1_mb_type << 1);
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u1_sub_mb_num = 0;
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/* Loop on number of partitions */
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for(uc_i = 0, u1_p_idx = 0; uc_i < u1_num_mb_part; uc_i++)
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{
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UWORD8 uc_j;
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if(uc_sub_mb)
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{
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u1_sub_mb_mode = u4_sum_mb_mode_pack >> 24;
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u1_num_subpart = pu1_num_sub_mb_part[u1_sub_mb_mode];
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u1_mb_part_width = pu1_sub_mb_partw[u1_sub_mb_mode];
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u1_mb_part_height = pu1_sub_mb_parth[u1_sub_mb_mode];
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pu1_top_left_sub_mb_indx = pu1_sub_mb_indx_mod + (u1_sub_mb_mode << 1);
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u1_sub_mb_num = u2_sub_mb_num >> 12;
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u4_sum_mb_mode_pack <<= 8;
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u2_sub_mb_num <<= 4;
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}
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/* Loop on Number of sub-partitions */
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for(uc_j = 0; uc_j < u1_num_subpart; uc_j++, pu1_top_left_sub_mb_indx++)
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{
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WORD16 i2_mvx, i2_mvy;
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u1_sub_mb_num += *pu1_top_left_sub_mb_indx;
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ps_mv = ps_mv_start + u1_sub_mb_num;
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/* Reading the differential Mv from the bitstream */
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//i2_mvx = ih264d_sev(pu4_bitstrm_ofst, pu4_bitstrm_buf);
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//inlining ih264d_sev
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{
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UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst;
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UWORD32 u4_word, u4_ldz, u4_abs_val;
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/***************************************************************/
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/* Find leading zeros in next 32 bits */
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/***************************************************************/
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NEXTBITS_32(u4_word, u4_bitstream_offset,
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pu4_bitstrm_buf);
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u4_ldz = CLZ(u4_word);
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/* Flush the ps_bitstrm */
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u4_bitstream_offset += (u4_ldz + 1);
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/* Read the suffix from the ps_bitstrm */
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u4_word = 0;
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if(u4_ldz)
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GETBITS(u4_word, u4_bitstream_offset,
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pu4_bitstrm_buf, u4_ldz);
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*pu4_bitstrm_ofst = u4_bitstream_offset;
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u4_abs_val = ((1 << u4_ldz) + u4_word) >> 1;
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if(u4_word & 0x1)
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i2_mvx = (-(WORD32)u4_abs_val);
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else
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i2_mvx = (u4_abs_val);
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}
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//inlinined ih264d_sev
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COPYTHECONTEXT("MVD", i2_mvx);
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i2_mvy = ih264d_sev(pu4_bitstrm_ofst,
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pu4_bitstrm_buf);
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COPYTHECONTEXT("MVD", i2_mvy);
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/* Storing Info for partitions */
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ps_part->u1_is_direct = PART_NOT_DIRECT;
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ps_part->u1_sub_mb_num = u1_sub_mb_num;
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ps_part->u1_partheight = u1_mb_part_height;
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ps_part->u1_partwidth = u1_mb_part_width;
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/* Storing Mv residuals */
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ps_mv->i2_mv[0] = i2_mvx;
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ps_mv->i2_mv[1] = i2_mvy;
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/* Increment partition Index */
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u1_p_idx++;
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ps_part++;
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}
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}
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ps_parse_mb_data->u1_num_part = u1_p_idx;
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ps_dec->ps_part = ps_part;
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}
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{
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UWORD32 u4_cbp;
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/* Read the Coded block pattern */
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UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst;
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UWORD32 u4_word, u4_ldz;
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/***************************************************************/
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/* Find leading zeros in next 32 bits */
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/***************************************************************/
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NEXTBITS_32(u4_word, u4_bitstream_offset, pu4_bitstrm_buf);
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u4_ldz = CLZ(u4_word);
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/* Flush the ps_bitstrm */
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u4_bitstream_offset += (u4_ldz + 1);
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/* Read the suffix from the ps_bitstrm */
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u4_word = 0;
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if(u4_ldz)
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GETBITS(u4_word, u4_bitstream_offset, pu4_bitstrm_buf, u4_ldz);
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*pu4_bitstrm_ofst = u4_bitstream_offset;
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u4_cbp = ((1 << u4_ldz) + u4_word - 1);
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if(u4_cbp > 47)
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return ERROR_CBP;
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u4_cbp = *((UWORD8*)gau1_ih264d_cbp_inter + u4_cbp);
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COPYTHECONTEXT("coded_block_pattern", u4_cbp);
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ps_cur_mb_info->u1_cbp = u4_cbp;
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/* Read the transform8x8 u4_flag if present */
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if((ps_dec->s_high_profile.u1_transform8x8_present) && (u4_cbp & 0xf)
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&& u1_no_submb_part_size_lt8x8_flag)
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{
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ps_cur_mb_info->u1_tran_form8x8 = ih264d_get_bit_h264(ps_bitstrm);
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COPYTHECONTEXT("transform_size_8x8_flag", ps_cur_mb_info->u1_tran_form8x8);
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ps_cur_mb_info->ps_curmb->u1_tran_form8x8 = ps_cur_mb_info->u1_tran_form8x8;
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}
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/* Read mb_qp_delta */
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if(u4_cbp)
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{
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WORD32 i_temp;
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UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst;
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||
|
UWORD32 u4_word, u4_ldz, u4_abs_val;
|
||
|
|
||
|
/***************************************************************/
|
||
|
/* Find leading zeros in next 32 bits */
|
||
|
/***************************************************************/
|
||
|
NEXTBITS_32(u4_word, u4_bitstream_offset, pu4_bitstrm_buf);
|
||
|
u4_ldz = CLZ(u4_word);
|
||
|
|
||
|
/* Flush the ps_bitstrm */
|
||
|
u4_bitstream_offset += (u4_ldz + 1);
|
||
|
|
||
|
/* Read the suffix from the ps_bitstrm */
|
||
|
u4_word = 0;
|
||
|
if(u4_ldz)
|
||
|
GETBITS(u4_word, u4_bitstream_offset, pu4_bitstrm_buf,
|
||
|
u4_ldz);
|
||
|
|
||
|
*pu4_bitstrm_ofst = u4_bitstream_offset;
|
||
|
u4_abs_val = ((1 << u4_ldz) + u4_word) >> 1;
|
||
|
|
||
|
if(u4_word & 0x1)
|
||
|
i_temp = (-(WORD32)u4_abs_val);
|
||
|
else
|
||
|
i_temp = (u4_abs_val);
|
||
|
|
||
|
if((i_temp < -26) || (i_temp > 25))
|
||
|
return ERROR_INV_RANGE_QP_T;
|
||
|
//inlinined ih264d_sev
|
||
|
|
||
|
COPYTHECONTEXT("mb_qp_delta", i_temp);
|
||
|
if(i_temp)
|
||
|
{
|
||
|
ret = ih264d_update_qp(ps_dec, (WORD8)i_temp);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
ret = ih264d_parse_residual4x4_cavlc(ps_dec, ps_cur_mb_info, 0);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
if(EXCEED_OFFSET(ps_bitstrm))
|
||
|
return ERROR_EOB_TERMINATE_T;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ih264d_update_nnz_for_skipmb(ps_dec, ps_cur_mb_info, CAVLC);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
}
|
||
|
|
||
|
return OK;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : ih264d_parse_pmb_cabac \endif
|
||
|
*
|
||
|
* \brief
|
||
|
* This function parses CABAC syntax of a P MB.
|
||
|
*
|
||
|
* \return
|
||
|
* 0 on Success and Error code otherwise
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
WORD32 ih264d_parse_pmb_cabac(dec_struct_t * ps_dec,
|
||
|
dec_mb_info_t * ps_cur_mb_info,
|
||
|
UWORD8 u1_mb_num,
|
||
|
UWORD8 u1_num_mbsNby2)
|
||
|
{
|
||
|
UWORD32 u1_num_mb_part;
|
||
|
UWORD32 uc_sub_mb;
|
||
|
parse_pmbarams_t * ps_parse_mb_data = ps_dec->ps_parse_mb_data
|
||
|
+ u1_num_mbsNby2;
|
||
|
WORD8 * pi1_ref_idx = ps_parse_mb_data->i1_ref_idx[0];
|
||
|
const UWORD8 * pu1_num_mb_part = (const UWORD8 *)gau1_ih264d_num_mb_part;
|
||
|
const UWORD32 u1_mb_type = ps_cur_mb_info->u1_mb_type;
|
||
|
UWORD8 * pu1_col_info = ps_parse_mb_data->u1_col_info;
|
||
|
UWORD32 u1_mb_mc_mode = u1_mb_type;
|
||
|
ctxt_inc_mb_info_t * p_curr_ctxt = ps_dec->ps_curr_ctxt_mb_info;
|
||
|
decoding_envirnoment_t * ps_cab_env = &ps_dec->s_cab_dec_env;
|
||
|
dec_bit_stream_t * ps_bitstrm = ps_dec->ps_bitstrm;
|
||
|
UWORD32 u4_sub_mb_pack = 0;
|
||
|
WORD32 ret;
|
||
|
|
||
|
UWORD8 u1_no_submb_part_size_lt8x8_flag = 1;
|
||
|
ps_cur_mb_info->u1_tran_form8x8 = 0;
|
||
|
ps_cur_mb_info->ps_curmb->u1_tran_form8x8 = 0;
|
||
|
|
||
|
ps_cur_mb_info->u1_yuv_dc_block_flag = 0;
|
||
|
|
||
|
p_curr_ctxt->u1_mb_type = CAB_P;
|
||
|
ps_cur_mb_info->u1_mb_mc_mode = u1_mb_type;
|
||
|
uc_sub_mb = ((u1_mb_type == PRED_8x8) | (u1_mb_type == PRED_8x8R0));
|
||
|
|
||
|
/* Reading the subMB type */
|
||
|
if(uc_sub_mb)
|
||
|
{
|
||
|
|
||
|
UWORD8 u1_colz = (PRED_8x8 << 6);
|
||
|
u1_mb_mc_mode = 0;
|
||
|
|
||
|
{
|
||
|
UWORD8 u1_sub_mb_mode;
|
||
|
u1_sub_mb_mode = ih264d_parse_submb_type_cabac(
|
||
|
0, ps_cab_env, ps_bitstrm,
|
||
|
ps_dec->p_sub_mb_type_t);
|
||
|
if(u1_sub_mb_mode > 3)
|
||
|
return ERROR_SUB_MB_TYPE;
|
||
|
|
||
|
u4_sub_mb_pack = (u4_sub_mb_pack << 8) | u1_sub_mb_mode;
|
||
|
/* Storing collocated information */
|
||
|
*pu1_col_info++ = u1_colz | ((UWORD8)(u1_sub_mb_mode << 4));
|
||
|
COPYTHECONTEXT("sub_mb_type", u1_sub_mb_mode);
|
||
|
/* check if Motion compensation is done below 8x8 */
|
||
|
if(u1_sub_mb_mode != P_L0_8x8)
|
||
|
{
|
||
|
u1_no_submb_part_size_lt8x8_flag = 0;
|
||
|
}
|
||
|
}
|
||
|
{
|
||
|
UWORD8 u1_sub_mb_mode;
|
||
|
u1_sub_mb_mode = ih264d_parse_submb_type_cabac(
|
||
|
0, ps_cab_env, ps_bitstrm,
|
||
|
ps_dec->p_sub_mb_type_t);
|
||
|
if(u1_sub_mb_mode > 3)
|
||
|
return ERROR_SUB_MB_TYPE;
|
||
|
|
||
|
u4_sub_mb_pack = (u4_sub_mb_pack << 8) | u1_sub_mb_mode;
|
||
|
/* Storing collocated information */
|
||
|
*pu1_col_info++ = u1_colz | ((UWORD8)(u1_sub_mb_mode << 4));
|
||
|
COPYTHECONTEXT("sub_mb_type", u1_sub_mb_mode);
|
||
|
/* check if Motion compensation is done below 8x8 */
|
||
|
if(u1_sub_mb_mode != P_L0_8x8)
|
||
|
{
|
||
|
u1_no_submb_part_size_lt8x8_flag = 0;
|
||
|
}
|
||
|
}
|
||
|
{
|
||
|
UWORD8 u1_sub_mb_mode;
|
||
|
u1_sub_mb_mode = ih264d_parse_submb_type_cabac(
|
||
|
0, ps_cab_env, ps_bitstrm,
|
||
|
ps_dec->p_sub_mb_type_t);
|
||
|
if(u1_sub_mb_mode > 3)
|
||
|
return ERROR_SUB_MB_TYPE;
|
||
|
|
||
|
u4_sub_mb_pack = (u4_sub_mb_pack << 8) | u1_sub_mb_mode;
|
||
|
/* Storing collocated information */
|
||
|
*pu1_col_info++ = u1_colz | ((UWORD8)(u1_sub_mb_mode << 4));
|
||
|
COPYTHECONTEXT("sub_mb_type", u1_sub_mb_mode);
|
||
|
/* check if Motion compensation is done below 8x8 */
|
||
|
if(u1_sub_mb_mode != P_L0_8x8)
|
||
|
{
|
||
|
u1_no_submb_part_size_lt8x8_flag = 0;
|
||
|
}
|
||
|
}
|
||
|
{
|
||
|
UWORD8 u1_sub_mb_mode;
|
||
|
u1_sub_mb_mode = ih264d_parse_submb_type_cabac(
|
||
|
0, ps_cab_env, ps_bitstrm,
|
||
|
ps_dec->p_sub_mb_type_t);
|
||
|
if(u1_sub_mb_mode > 3)
|
||
|
return ERROR_SUB_MB_TYPE;
|
||
|
|
||
|
u4_sub_mb_pack = (u4_sub_mb_pack << 8) | u1_sub_mb_mode;
|
||
|
/* Storing collocated information */
|
||
|
*pu1_col_info++ = u1_colz | ((UWORD8)(u1_sub_mb_mode << 4));
|
||
|
COPYTHECONTEXT("sub_mb_type", u1_sub_mb_mode);
|
||
|
/* check if Motion compensation is done below 8x8 */
|
||
|
if(u1_sub_mb_mode != P_L0_8x8)
|
||
|
{
|
||
|
u1_no_submb_part_size_lt8x8_flag = 0;
|
||
|
}
|
||
|
}
|
||
|
u1_num_mb_part = 4;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
u1_num_mb_part = pu1_num_mb_part[u1_mb_type];
|
||
|
/* Storing collocated Mb and SubMb mode information */
|
||
|
*pu1_col_info++ = (u1_mb_type << 6);
|
||
|
if(u1_mb_type)
|
||
|
*pu1_col_info++ = (u1_mb_type << 6);
|
||
|
}
|
||
|
/* Decoding reference index 0: For simple profile the following */
|
||
|
/* conditions are always true (mb_field_decoding_flag == 0); */
|
||
|
/* (MbPartPredMode != PredL1) */
|
||
|
{
|
||
|
WORD8 * pi1_top_ref_idx_ctx_inc_arr = p_curr_ctxt->i1_ref_idx;
|
||
|
WORD8 * pi1_left_ref_idx_ctxt_inc = ps_dec->pi1_left_ref_idx_ctxt_inc;
|
||
|
UWORD8 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag;
|
||
|
UWORD8 uc_field = ps_cur_mb_info->u1_mb_field_decodingflag;
|
||
|
UWORD8 uc_num_ref_idx_l0_active_minus1 =
|
||
|
(ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0]
|
||
|
<< (u1_mbaff & uc_field)) - 1;
|
||
|
|
||
|
if((uc_num_ref_idx_l0_active_minus1 > 0) & (u1_mb_type != PRED_8x8R0))
|
||
|
{
|
||
|
/* force the routine to decode ref idx for each partition */
|
||
|
*((UWORD32 *)pi1_ref_idx) = 0x01010101;
|
||
|
ret = ih264d_parse_ref_idx_cabac(u1_num_mb_part, 0,
|
||
|
uc_num_ref_idx_l0_active_minus1,
|
||
|
u1_mb_mc_mode, pi1_ref_idx,
|
||
|
pi1_left_ref_idx_ctxt_inc,
|
||
|
pi1_top_ref_idx_ctx_inc_arr, ps_cab_env,
|
||
|
ps_bitstrm, ps_dec->p_ref_idx_t);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
/* When there exists only a single frame to predict from */
|
||
|
pi1_left_ref_idx_ctxt_inc[0] = 0;
|
||
|
pi1_left_ref_idx_ctxt_inc[1] = 0;
|
||
|
pi1_top_ref_idx_ctx_inc_arr[0] = 0;
|
||
|
pi1_top_ref_idx_ctx_inc_arr[1] = 0;
|
||
|
*((UWORD32 *)pi1_ref_idx) = 0;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
{
|
||
|
UWORD8 u1_p_idx, uc_i;
|
||
|
parse_part_params_t * ps_part = ps_dec->ps_part;
|
||
|
UWORD8 u1_sub_mb_mode, u1_num_subpart, u1_mb_part_width, u1_mb_part_height;
|
||
|
UWORD8 u1_sub_mb_num;
|
||
|
const UWORD8 * pu1_top_left_sub_mb_indx;
|
||
|
mv_pred_t *ps_mv_start = ps_dec->ps_mv_cur + (u1_mb_num << 4);
|
||
|
UWORD16 u2_sub_mb_num_pack = 0x028A;
|
||
|
|
||
|
/* Loading the table pointers */
|
||
|
const UWORD8 * pu1_mb_partw = (const UWORD8 *)gau1_ih264d_mb_partw;
|
||
|
const UWORD8 * pu1_mb_parth = (const UWORD8 *)gau1_ih264d_mb_parth;
|
||
|
const UWORD8 * pu1_sub_mb_indx_mod =
|
||
|
(const UWORD8 *)(gau1_ih264d_submb_indx_mod)
|
||
|
+ (uc_sub_mb * 6);
|
||
|
const UWORD8 * pu1_sub_mb_partw = (const UWORD8 *)gau1_ih264d_submb_partw;
|
||
|
const UWORD8 * pu1_sub_mb_parth = (const UWORD8 *)gau1_ih264d_submb_parth;
|
||
|
const UWORD8 * pu1_num_sub_mb_part =
|
||
|
(const UWORD8 *)gau1_ih264d_num_submb_part;
|
||
|
|
||
|
/*********************************************************/
|
||
|
/* default initialisations for condition (uc_sub_mb == 0) */
|
||
|
/* i.e. all are subpartitions of 8x8 */
|
||
|
/*********************************************************/
|
||
|
u1_sub_mb_mode = 0;
|
||
|
u1_num_subpart = 1;
|
||
|
u1_mb_part_width = pu1_mb_partw[u1_mb_type];
|
||
|
u1_mb_part_height = pu1_mb_parth[u1_mb_type];
|
||
|
pu1_top_left_sub_mb_indx = pu1_sub_mb_indx_mod + (u1_mb_type << 1);
|
||
|
u1_sub_mb_num = 0;
|
||
|
|
||
|
/* Loop on number of partitions */
|
||
|
for(uc_i = 0, u1_p_idx = 0; uc_i < u1_num_mb_part; uc_i++)
|
||
|
{
|
||
|
UWORD8 uc_j;
|
||
|
if(uc_sub_mb)
|
||
|
{
|
||
|
u1_sub_mb_mode = u4_sub_mb_pack >> 24;
|
||
|
u1_num_subpart = pu1_num_sub_mb_part[u1_sub_mb_mode];
|
||
|
u1_mb_part_width = pu1_sub_mb_partw[u1_sub_mb_mode];
|
||
|
u1_mb_part_height = pu1_sub_mb_parth[u1_sub_mb_mode];
|
||
|
pu1_top_left_sub_mb_indx = pu1_sub_mb_indx_mod + (u1_sub_mb_mode << 1);
|
||
|
u1_sub_mb_num = u2_sub_mb_num_pack >> 12;
|
||
|
u4_sub_mb_pack <<= 8;
|
||
|
u2_sub_mb_num_pack <<= 4;
|
||
|
}
|
||
|
/* Loop on Number of sub-partitions */
|
||
|
for(uc_j = 0; uc_j < u1_num_subpart; uc_j++, pu1_top_left_sub_mb_indx++)
|
||
|
{
|
||
|
mv_pred_t * ps_mv;
|
||
|
|
||
|
u1_sub_mb_num += *pu1_top_left_sub_mb_indx;
|
||
|
ps_mv = ps_mv_start + u1_sub_mb_num;
|
||
|
|
||
|
/* Storing Info for partitions */
|
||
|
ps_part->u1_is_direct = PART_NOT_DIRECT;
|
||
|
ps_part->u1_sub_mb_num = u1_sub_mb_num;
|
||
|
ps_part->u1_partheight = u1_mb_part_height;
|
||
|
ps_part->u1_partwidth = u1_mb_part_width;
|
||
|
|
||
|
/* Increment partition Index */
|
||
|
u1_p_idx++;
|
||
|
ps_part++;
|
||
|
|
||
|
ih264d_get_mvd_cabac(u1_sub_mb_num, 0, u1_mb_part_width,
|
||
|
u1_mb_part_height, 1, ps_dec, ps_mv);
|
||
|
}
|
||
|
}
|
||
|
ps_parse_mb_data->u1_num_part = u1_p_idx;
|
||
|
ps_dec->ps_part = ps_part;
|
||
|
}
|
||
|
{
|
||
|
UWORD8 u1_cbp;
|
||
|
|
||
|
/* Read the Coded block pattern */
|
||
|
u1_cbp = (WORD8)ih264d_parse_ctx_cbp_cabac(ps_dec);
|
||
|
COPYTHECONTEXT("coded_block_pattern", u1_cbp);
|
||
|
ps_cur_mb_info->u1_cbp = u1_cbp;
|
||
|
p_curr_ctxt->u1_cbp = u1_cbp;
|
||
|
p_curr_ctxt->u1_intra_chroma_pred_mode = 0;
|
||
|
p_curr_ctxt->u1_yuv_dc_csbp &= 0xFE;
|
||
|
ps_dec->pu1_left_yuv_dc_csbp[0] &= 0x6;
|
||
|
|
||
|
if(u1_cbp > 47)
|
||
|
return ERROR_CBP;
|
||
|
|
||
|
ps_cur_mb_info->u1_tran_form8x8 = 0;
|
||
|
ps_cur_mb_info->ps_curmb->u1_tran_form8x8 = 0;
|
||
|
|
||
|
/* Read the transform8x8 u4_flag if present */
|
||
|
if((ps_dec->s_high_profile.u1_transform8x8_present) && (u1_cbp & 0xf)
|
||
|
&& u1_no_submb_part_size_lt8x8_flag)
|
||
|
{
|
||
|
ps_cur_mb_info->u1_tran_form8x8 = ih264d_parse_transform8x8flag_cabac(
|
||
|
ps_dec, ps_cur_mb_info);
|
||
|
COPYTHECONTEXT("transform_size_8x8_flag", ps_cur_mb_info->u1_tran_form8x8);
|
||
|
p_curr_ctxt->u1_transform8x8_ctxt = ps_cur_mb_info->u1_tran_form8x8;
|
||
|
ps_cur_mb_info->ps_curmb->u1_tran_form8x8 = ps_cur_mb_info->u1_tran_form8x8;
|
||
|
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
p_curr_ctxt->u1_transform8x8_ctxt = 0;
|
||
|
}
|
||
|
|
||
|
/* Read mb_qp_delta */
|
||
|
if(u1_cbp)
|
||
|
{
|
||
|
WORD8 c_temp;
|
||
|
ret = ih264d_parse_mb_qp_delta_cabac(ps_dec, &c_temp);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
COPYTHECONTEXT("mb_qp_delta", c_temp);
|
||
|
if(c_temp != 0)
|
||
|
{
|
||
|
ret = ih264d_update_qp(ps_dec, c_temp);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
ps_dec->i1_prev_mb_qp_delta = 0;
|
||
|
|
||
|
|
||
|
|
||
|
ih264d_parse_residual4x4_cabac(ps_dec, ps_cur_mb_info, 0);
|
||
|
if(EXCEED_OFFSET(ps_dec->ps_bitstrm))
|
||
|
return ERROR_EOB_TERMINATE_T;
|
||
|
}
|
||
|
return OK;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : parsePSliceData \endif
|
||
|
*
|
||
|
* \brief
|
||
|
* This function parses CAVLC syntax of N MB's of a P slice.
|
||
|
* 1. After parsing syntax of N MB's, for those N MB's (less than N, incase
|
||
|
* of end of slice or end of row), MB is decoded. This process is carried
|
||
|
* for one complete MB row or till end of slice.
|
||
|
* 2. Bottom one row of current MB is copied to IntraPredLine buffers.
|
||
|
* IntraPredLine buffers are used for Intra prediction of next row.
|
||
|
* 3. Current MB row along with previous 4 rows of Luma (and 2 of Chroma) are
|
||
|
* deblocked.
|
||
|
* 4. 4 rows (2 for Chroma) previous row and 12 rows (6 for Chroma) are
|
||
|
* DMA'ed to picture buffers.
|
||
|
*
|
||
|
* \return
|
||
|
* 0 on Success and Error code otherwise
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : ih264d_update_nnz_for_skipmb \endif
|
||
|
*
|
||
|
* \brief
|
||
|
*
|
||
|
* \return
|
||
|
* None
|
||
|
*
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
void ih264d_update_nnz_for_skipmb(dec_struct_t * ps_dec,
|
||
|
dec_mb_info_t * ps_cur_mb_info,
|
||
|
UWORD8 u1_entrpy)
|
||
|
{
|
||
|
UWORD32 *pu4_buf;
|
||
|
UWORD8 *pu1_buf;
|
||
|
UNUSED(u1_entrpy);
|
||
|
pu1_buf = ps_dec->pu1_left_nnz_y;
|
||
|
pu4_buf = (UWORD32 *)pu1_buf;
|
||
|
*pu4_buf = 0;
|
||
|
pu1_buf = ps_dec->pu1_left_nnz_uv;
|
||
|
pu4_buf = (UWORD32 *)pu1_buf;
|
||
|
*pu4_buf = 0;
|
||
|
pu1_buf = ps_cur_mb_info->ps_curmb->pu1_nnz_y;
|
||
|
pu4_buf = (UWORD32 *)pu1_buf;
|
||
|
*pu4_buf = 0;
|
||
|
pu1_buf = ps_cur_mb_info->ps_curmb->pu1_nnz_uv;
|
||
|
pu4_buf = (UWORD32 *)pu1_buf;
|
||
|
*pu4_buf = 0;
|
||
|
ps_cur_mb_info->ps_curmb->u2_luma_csbp = 0;
|
||
|
ps_cur_mb_info->u2_luma_csbp = 0;
|
||
|
ps_cur_mb_info->u2_chroma_csbp = 0;
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
/*****************************************************************************/
|
||
|
/* */
|
||
|
/* Function Name : ih264d_parse_inter_slice_data_cabac */
|
||
|
/* */
|
||
|
/* Description : This function parses cabac syntax of a inter slice on */
|
||
|
/* N MB basis. */
|
||
|
/* */
|
||
|
/* Inputs : ps_dec */
|
||
|
/* sliceparams */
|
||
|
/* firstMbInSlice */
|
||
|
/* */
|
||
|
/* Processing : 1. After parsing syntax for N MBs those N MBs are */
|
||
|
/* decoded till the end of slice. */
|
||
|
/* 2. MV prediction and DMA happens on a N/2 MB basis. */
|
||
|
/* */
|
||
|
/* Returns : 0 */
|
||
|
/* */
|
||
|
/* Issues : <List any issues or problems with this function> */
|
||
|
/* */
|
||
|
/* Revision History: */
|
||
|
/* */
|
||
|
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
|
||
|
/* 13 07 2002 Jay Draft */
|
||
|
/* */
|
||
|
/*****************************************************************************/
|
||
|
WORD32 ih264d_parse_inter_slice_data_cabac(dec_struct_t * ps_dec,
|
||
|
dec_slice_params_t * ps_slice,
|
||
|
UWORD16 u2_first_mb_in_slice)
|
||
|
{
|
||
|
UWORD32 uc_more_data_flag;
|
||
|
WORD32 i2_cur_mb_addr;
|
||
|
UWORD32 u1_num_mbs, u1_num_mbsNby2, u1_mb_idx;
|
||
|
UWORD32 u1_mbaff;
|
||
|
UWORD32 u1_num_mbs_next, u1_end_of_row;
|
||
|
const UWORD16 i2_pic_wdin_mbs = ps_dec->u2_frm_wd_in_mbs;
|
||
|
UWORD32 u1_slice_end = 0;
|
||
|
UWORD32 u1_tfr_n_mb = 0;
|
||
|
UWORD32 u1_decode_nmb = 0;
|
||
|
|
||
|
|
||
|
deblk_mb_t *ps_cur_deblk_mb;
|
||
|
dec_mb_info_t *ps_cur_mb_info;
|
||
|
|
||
|
parse_pmbarams_t *ps_parse_mb_data = ps_dec->ps_parse_mb_data;
|
||
|
UWORD32 u1_inter_mb_skip_type;
|
||
|
UWORD32 u1_inter_mb_type;
|
||
|
UWORD32 u1_deblk_mb_type;
|
||
|
UWORD32 u1_mb_threshold;
|
||
|
dec_bit_stream_t * const ps_bitstrm = ps_dec->ps_bitstrm;
|
||
|
WORD32 ret = OK;
|
||
|
|
||
|
/******************************************************/
|
||
|
/* Initialisations specific to B or P slice */
|
||
|
/******************************************************/
|
||
|
if(ps_slice->u1_slice_type == P_SLICE)
|
||
|
{
|
||
|
u1_inter_mb_skip_type = CAB_P_SKIP;
|
||
|
u1_inter_mb_type = P_MB;
|
||
|
u1_deblk_mb_type = D_INTER_MB;
|
||
|
u1_mb_threshold = 5;
|
||
|
}
|
||
|
else // B_SLICE
|
||
|
{
|
||
|
u1_inter_mb_skip_type = CAB_B_SKIP;
|
||
|
u1_inter_mb_type = B_MB;
|
||
|
u1_deblk_mb_type = D_B_SLICE;
|
||
|
u1_mb_threshold = 23;
|
||
|
}
|
||
|
|
||
|
/******************************************************/
|
||
|
/* Slice Level Initialisations */
|
||
|
/******************************************************/
|
||
|
i2_cur_mb_addr = u2_first_mb_in_slice;
|
||
|
ps_dec->u1_qp = ps_slice->u1_slice_qp;
|
||
|
ih264d_update_qp(ps_dec, 0);
|
||
|
u1_mb_idx = ps_dec->u1_mb_idx;
|
||
|
u1_num_mbs = u1_mb_idx;
|
||
|
u1_num_mbsNby2 = 0;
|
||
|
u1_mbaff = ps_slice->u1_mbaff_frame_flag;
|
||
|
i2_cur_mb_addr = u2_first_mb_in_slice << u1_mbaff;
|
||
|
uc_more_data_flag = 1;
|
||
|
|
||
|
/* Initialisations specific to cabac */
|
||
|
if(ps_bitstrm->u4_ofst & 0x07)
|
||
|
{
|
||
|
ps_bitstrm->u4_ofst += 8;
|
||
|
ps_bitstrm->u4_ofst &= 0xFFFFFFF8;
|
||
|
}
|
||
|
|
||
|
ret = ih264d_init_cabac_dec_envirnoment(&(ps_dec->s_cab_dec_env), ps_bitstrm);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
|
||
|
ps_dec->i1_prev_mb_qp_delta = 0;
|
||
|
|
||
|
while(!u1_slice_end)
|
||
|
{
|
||
|
UWORD8 u1_mb_type;
|
||
|
UWORD32 u4_mb_skip;
|
||
|
|
||
|
ps_dec->pv_prev_mb_parse_tu_coeff_data = ps_dec->pv_parse_tu_coeff_data;
|
||
|
|
||
|
if(i2_cur_mb_addr > ps_dec->ps_cur_sps->u2_max_mb_addr)
|
||
|
{
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
ps_cur_mb_info = ps_dec->ps_nmb_info + u1_num_mbs;
|
||
|
ps_dec->u4_num_mbs_cur_nmb = u1_num_mbs;
|
||
|
|
||
|
ps_cur_mb_info->u1_Mux = 0;
|
||
|
ps_dec->u4_num_pmbair = (u1_num_mbs >> u1_mbaff);
|
||
|
ps_cur_deblk_mb = ps_dec->ps_deblk_mbn + u1_num_mbs;
|
||
|
|
||
|
ps_cur_mb_info->u1_end_of_slice = 0;
|
||
|
|
||
|
/* Storing Default partition info */
|
||
|
ps_parse_mb_data->u1_num_part = 1;
|
||
|
ps_parse_mb_data->u1_isI_mb = 0;
|
||
|
|
||
|
/***************************************************************/
|
||
|
/* Get the required information for decoding of MB */
|
||
|
/* mb_x, mb_y , neighbour availablity, */
|
||
|
/***************************************************************/
|
||
|
u4_mb_skip = ps_dec->pf_get_mb_info(ps_dec, i2_cur_mb_addr, ps_cur_mb_info, 1);
|
||
|
|
||
|
/*********************************************************************/
|
||
|
/* initialize u1_tran_form8x8 to zero to aviod uninitialized accesses */
|
||
|
/*********************************************************************/
|
||
|
ps_cur_mb_info->u1_tran_form8x8 = 0;
|
||
|
ps_cur_mb_info->ps_curmb->u1_tran_form8x8 = 0;
|
||
|
|
||
|
/***************************************************************/
|
||
|
/* Set the deblocking parameters for this MB */
|
||
|
/***************************************************************/
|
||
|
if(ps_dec->u4_app_disable_deblk_frm == 0)
|
||
|
ih264d_set_deblocking_parameters(ps_cur_deblk_mb, ps_slice,
|
||
|
ps_dec->u1_mb_ngbr_availablity,
|
||
|
ps_dec->u1_cur_mb_fld_dec_flag);
|
||
|
|
||
|
if(u4_mb_skip)
|
||
|
{
|
||
|
|
||
|
/* Set appropriate flags in ps_cur_mb_info and ps_dec */
|
||
|
memset(ps_dec->ps_curr_ctxt_mb_info, 0, sizeof(ctxt_inc_mb_info_t));
|
||
|
ps_dec->ps_curr_ctxt_mb_info->u1_mb_type = u1_inter_mb_skip_type;
|
||
|
|
||
|
MEMSET_16BYTES(&ps_dec->pu1_left_mv_ctxt_inc[0][0], 0);
|
||
|
|
||
|
*((UWORD32 *)ps_dec->pi1_left_ref_idx_ctxt_inc) = 0;
|
||
|
*(ps_dec->pu1_left_yuv_dc_csbp) = 0;
|
||
|
|
||
|
ps_dec->i1_prev_mb_qp_delta = 0;
|
||
|
ps_cur_mb_info->u1_mb_type = MB_SKIP;
|
||
|
ps_cur_mb_info->u1_cbp = 0;
|
||
|
|
||
|
{
|
||
|
/* Storing Skip partition info */
|
||
|
parse_part_params_t *ps_part_info = ps_dec->ps_part;
|
||
|
ps_part_info->u1_is_direct = PART_DIRECT_16x16;
|
||
|
ps_part_info->u1_sub_mb_num = 0;
|
||
|
ps_dec->ps_part++;
|
||
|
}
|
||
|
|
||
|
/* Update Nnzs */
|
||
|
ih264d_update_nnz_for_skipmb(ps_dec, ps_cur_mb_info, CABAC);
|
||
|
|
||
|
ps_cur_mb_info->ps_curmb->u1_mb_type = u1_inter_mb_type;
|
||
|
ps_cur_deblk_mb->u1_mb_type |= u1_deblk_mb_type;
|
||
|
ps_cur_deblk_mb->u1_mb_qp = ps_dec->u1_qp;
|
||
|
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
|
||
|
/* Macroblock Layer Begins */
|
||
|
/* Decode the u1_mb_type */
|
||
|
u1_mb_type = ih264d_parse_mb_type_cabac(ps_dec);
|
||
|
ps_cur_mb_info->u1_mb_type = u1_mb_type;
|
||
|
if(u1_mb_type > (25 + u1_mb_threshold))
|
||
|
return ERROR_MB_TYPE;
|
||
|
|
||
|
/* Parse Macroblock Data */
|
||
|
if(u1_mb_type < u1_mb_threshold)
|
||
|
{
|
||
|
ps_cur_mb_info->ps_curmb->u1_mb_type = u1_inter_mb_type;
|
||
|
*(ps_dec->pu1_left_yuv_dc_csbp) &= 0x6;
|
||
|
|
||
|
ret = ps_dec->pf_parse_inter_mb(ps_dec, ps_cur_mb_info, u1_num_mbs,
|
||
|
u1_num_mbsNby2);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
ps_cur_deblk_mb->u1_mb_qp = ps_dec->u1_qp;
|
||
|
ps_cur_deblk_mb->u1_mb_type |= u1_deblk_mb_type;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
/* Storing Intra partition info */
|
||
|
ps_parse_mb_data->u1_num_part = 0;
|
||
|
ps_parse_mb_data->u1_isI_mb = 1;
|
||
|
|
||
|
if((25 + u1_mb_threshold) == u1_mb_type)
|
||
|
{
|
||
|
/* I_PCM_MB */
|
||
|
ps_cur_mb_info->ps_curmb->u1_mb_type = I_PCM_MB;
|
||
|
ret = ih264d_parse_ipcm_mb(ps_dec, ps_cur_mb_info, u1_num_mbs);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
ps_cur_deblk_mb->u1_mb_qp = 0;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(u1_mb_type == u1_mb_threshold)
|
||
|
ps_cur_mb_info->ps_curmb->u1_mb_type = I_4x4_MB;
|
||
|
else
|
||
|
ps_cur_mb_info->ps_curmb->u1_mb_type = I_16x16_MB;
|
||
|
|
||
|
ret = ih264d_parse_imb_cabac(
|
||
|
ps_dec, ps_cur_mb_info,
|
||
|
(UWORD8)(u1_mb_type - u1_mb_threshold));
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
ps_cur_deblk_mb->u1_mb_qp = ps_dec->u1_qp;
|
||
|
}
|
||
|
ps_cur_deblk_mb->u1_mb_type |= D_INTRA_MB;
|
||
|
|
||
|
}
|
||
|
|
||
|
}
|
||
|
|
||
|
if(u1_mbaff)
|
||
|
{
|
||
|
ih264d_update_mbaff_left_nnz(ps_dec, ps_cur_mb_info);
|
||
|
}
|
||
|
|
||
|
|
||
|
if(ps_cur_mb_info->u1_topmb && u1_mbaff)
|
||
|
uc_more_data_flag = 1;
|
||
|
else
|
||
|
{
|
||
|
uc_more_data_flag = ih264d_decode_terminate(&ps_dec->s_cab_dec_env,
|
||
|
ps_bitstrm);
|
||
|
uc_more_data_flag = !uc_more_data_flag;
|
||
|
COPYTHECONTEXT("Decode Sliceterm",!uc_more_data_flag);
|
||
|
}
|
||
|
|
||
|
if(u1_mbaff)
|
||
|
{
|
||
|
if(!uc_more_data_flag && (0 == (i2_cur_mb_addr & 1)))
|
||
|
{
|
||
|
return ERROR_EOB_FLUSHBITS_T;
|
||
|
}
|
||
|
}
|
||
|
/* Next macroblock information */
|
||
|
i2_cur_mb_addr++;
|
||
|
u1_num_mbs++;
|
||
|
u1_num_mbsNby2++;
|
||
|
ps_parse_mb_data++;
|
||
|
|
||
|
/****************************************************************/
|
||
|
/* Check for End Of Row and other flags that determine when to */
|
||
|
/* do DMA setup for N/2-Mb, Decode for N-Mb, and Transfer for */
|
||
|
/* N-Mb */
|
||
|
/****************************************************************/
|
||
|
u1_num_mbs_next = i2_pic_wdin_mbs - ps_dec->u2_mbx - 1;
|
||
|
u1_end_of_row = (!u1_num_mbs_next) && (!(u1_mbaff && (u1_num_mbs & 0x01)));
|
||
|
u1_slice_end = !uc_more_data_flag;
|
||
|
u1_tfr_n_mb = (u1_num_mbs == ps_dec->u1_recon_mb_grp) || u1_end_of_row
|
||
|
|| u1_slice_end;
|
||
|
u1_decode_nmb = u1_tfr_n_mb || u1_slice_end;
|
||
|
ps_cur_mb_info->u1_end_of_slice = u1_slice_end;
|
||
|
/*u1_dma_nby2mb = u1_decode_nmb ||
|
||
|
(u1_num_mbsNby2 == ps_dec->u1_recon_mb_grp_pair);*/
|
||
|
|
||
|
//if(u1_dma_nby2mb)
|
||
|
if(u1_decode_nmb)
|
||
|
{
|
||
|
|
||
|
ps_dec->pf_mvpred_ref_tfr_nby2mb(ps_dec, u1_mb_idx, u1_num_mbs);
|
||
|
u1_num_mbsNby2 = 0;
|
||
|
|
||
|
{
|
||
|
ps_parse_mb_data = ps_dec->ps_parse_mb_data;
|
||
|
ps_dec->ps_part = ps_dec->ps_parse_part_params;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/*H264_DEC_DEBUG_PRINT("Pic: %d Mb_X=%d Mb_Y=%d",
|
||
|
ps_slice->i4_poc >> ps_slice->u1_field_pic_flag,
|
||
|
ps_dec->u2_mbx,ps_dec->u2_mby + (1 - ps_cur_mb_info->u1_topmb));
|
||
|
H264_DEC_DEBUG_PRINT("u1_decode_nmb: %d, u1_num_mbs: %d", u1_decode_nmb, u1_num_mbs);*/
|
||
|
if(u1_decode_nmb)
|
||
|
{
|
||
|
|
||
|
if(ps_dec->u1_separate_parse)
|
||
|
{
|
||
|
ih264d_parse_tfr_nmb(ps_dec, u1_mb_idx, u1_num_mbs,
|
||
|
u1_num_mbs_next, u1_tfr_n_mb, u1_end_of_row);
|
||
|
ps_dec->ps_nmb_info += u1_num_mbs;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ih264d_decode_recon_tfr_nmb(ps_dec, u1_mb_idx, u1_num_mbs,
|
||
|
u1_num_mbs_next, u1_tfr_n_mb,
|
||
|
u1_end_of_row);
|
||
|
}
|
||
|
ps_dec->u2_total_mbs_coded += u1_num_mbs;
|
||
|
if(u1_tfr_n_mb)
|
||
|
u1_num_mbs = 0;
|
||
|
u1_mb_idx = u1_num_mbs;
|
||
|
ps_dec->u1_mb_idx = u1_num_mbs;
|
||
|
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
ps_dec->u4_num_mbs_cur_nmb = 0;
|
||
|
ps_dec->ps_cur_slice->u4_mbs_in_slice = i2_cur_mb_addr
|
||
|
|
||
|
- (u2_first_mb_in_slice << u1_mbaff);
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
/*****************************************************************************/
|
||
|
/* */
|
||
|
/* Function Name : ih264d_parse_inter_slice_data_cavlc */
|
||
|
/* */
|
||
|
/* Description : This function parses cavlc syntax of a inter slice on */
|
||
|
/* N MB basis. */
|
||
|
/* */
|
||
|
/* Inputs : ps_dec */
|
||
|
/* sliceparams */
|
||
|
/* firstMbInSlice */
|
||
|
/* */
|
||
|
/* Processing : 1. After parsing syntax for N MBs those N MBs are */
|
||
|
/* decoded till the end of slice. */
|
||
|
/* 2. MV prediction and DMA happens on a N/2 MB basis. */
|
||
|
/* */
|
||
|
/* Returns : 0 */
|
||
|
/* */
|
||
|
/* Issues : <List any issues or problems with this function> */
|
||
|
/* */
|
||
|
/* Revision History: */
|
||
|
/* */
|
||
|
/* DD MM YYYY Author(s) Changes (Describe the changes made) */
|
||
|
/* 13 07 2002 Jay Draft */
|
||
|
/* */
|
||
|
/*****************************************************************************/
|
||
|
|
||
|
WORD32 ih264d_parse_inter_slice_data_cavlc(dec_struct_t * ps_dec,
|
||
|
dec_slice_params_t * ps_slice,
|
||
|
UWORD16 u2_first_mb_in_slice)
|
||
|
{
|
||
|
UWORD32 uc_more_data_flag;
|
||
|
WORD32 i2_cur_mb_addr;
|
||
|
UWORD32 u1_num_mbs, u1_num_mbsNby2, u1_mb_idx;
|
||
|
UWORD32 i2_mb_skip_run;
|
||
|
UWORD32 u1_read_mb_type;
|
||
|
|
||
|
UWORD32 u1_mbaff;
|
||
|
UWORD32 u1_num_mbs_next, u1_end_of_row;
|
||
|
const UWORD32 i2_pic_wdin_mbs = ps_dec->u2_frm_wd_in_mbs;
|
||
|
UWORD32 u1_slice_end = 0;
|
||
|
UWORD32 u1_tfr_n_mb = 0;
|
||
|
UWORD32 u1_decode_nmb = 0;
|
||
|
|
||
|
dec_bit_stream_t * const ps_bitstrm = ps_dec->ps_bitstrm;
|
||
|
UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
|
||
|
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
|
||
|
deblk_mb_t *ps_cur_deblk_mb;
|
||
|
dec_mb_info_t *ps_cur_mb_info;
|
||
|
parse_pmbarams_t *ps_parse_mb_data = ps_dec->ps_parse_mb_data;
|
||
|
UWORD32 u1_inter_mb_type;
|
||
|
UWORD32 u1_deblk_mb_type;
|
||
|
UWORD32 u1_mb_threshold;
|
||
|
WORD32 ret = OK;
|
||
|
|
||
|
/******************************************************/
|
||
|
/* Initialisations specific to B or P slice */
|
||
|
/******************************************************/
|
||
|
|
||
|
if(ps_slice->u1_slice_type == P_SLICE)
|
||
|
{
|
||
|
u1_inter_mb_type = P_MB;
|
||
|
u1_deblk_mb_type = D_INTER_MB;
|
||
|
u1_mb_threshold = 5;
|
||
|
}
|
||
|
else // B_SLICE
|
||
|
{
|
||
|
u1_inter_mb_type = B_MB;
|
||
|
u1_deblk_mb_type = D_B_SLICE;
|
||
|
u1_mb_threshold = 23;
|
||
|
}
|
||
|
/******************************************************/
|
||
|
/* Slice Level Initialisations */
|
||
|
/******************************************************/
|
||
|
ps_dec->u1_qp = ps_slice->u1_slice_qp;
|
||
|
ih264d_update_qp(ps_dec, 0);
|
||
|
u1_mb_idx = ps_dec->u1_mb_idx;
|
||
|
u1_num_mbs = u1_mb_idx;
|
||
|
|
||
|
u1_num_mbsNby2 = 0;
|
||
|
u1_mbaff = ps_slice->u1_mbaff_frame_flag;
|
||
|
i2_cur_mb_addr = u2_first_mb_in_slice << u1_mbaff;
|
||
|
i2_mb_skip_run = 0;
|
||
|
uc_more_data_flag = 1;
|
||
|
u1_read_mb_type = 0;
|
||
|
|
||
|
while(!u1_slice_end)
|
||
|
{
|
||
|
UWORD8 u1_mb_type;
|
||
|
|
||
|
ps_dec->pv_prev_mb_parse_tu_coeff_data = ps_dec->pv_parse_tu_coeff_data;
|
||
|
|
||
|
if(i2_cur_mb_addr > ps_dec->ps_cur_sps->u2_max_mb_addr)
|
||
|
{
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
|
||
|
ps_cur_mb_info = ps_dec->ps_nmb_info + u1_num_mbs;
|
||
|
ps_dec->u4_num_mbs_cur_nmb = u1_num_mbs;
|
||
|
|
||
|
ps_cur_mb_info->u1_Mux = 0;
|
||
|
ps_dec->u4_num_pmbair = (u1_num_mbs >> u1_mbaff);
|
||
|
ps_cur_deblk_mb = ps_dec->ps_deblk_mbn + u1_num_mbs;
|
||
|
|
||
|
ps_cur_mb_info->u1_end_of_slice = 0;
|
||
|
|
||
|
/* Storing Default partition info */
|
||
|
ps_parse_mb_data->u1_num_part = 1;
|
||
|
ps_parse_mb_data->u1_isI_mb = 0;
|
||
|
|
||
|
if((!i2_mb_skip_run) && (!u1_read_mb_type))
|
||
|
{
|
||
|
|
||
|
//Inlined ih264d_uev
|
||
|
UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst;
|
||
|
UWORD32 u4_word, u4_ldz;
|
||
|
|
||
|
/***************************************************************/
|
||
|
/* Find leading zeros in next 32 bits */
|
||
|
/***************************************************************/
|
||
|
NEXTBITS_32(u4_word, u4_bitstream_offset, pu4_bitstrm_buf);
|
||
|
|
||
|
u4_ldz = CLZ(u4_word);
|
||
|
|
||
|
/* Flush the ps_bitstrm */
|
||
|
u4_bitstream_offset += (u4_ldz + 1);
|
||
|
/* Read the suffix from the ps_bitstrm */
|
||
|
u4_word = 0;
|
||
|
if(u4_ldz)
|
||
|
{
|
||
|
GETBITS(u4_word, u4_bitstream_offset, pu4_bitstrm_buf,
|
||
|
u4_ldz);
|
||
|
}
|
||
|
*pu4_bitstrm_ofst = u4_bitstream_offset;
|
||
|
i2_mb_skip_run = ((1 << u4_ldz) + u4_word - 1);
|
||
|
//Inlined ih264d_uev
|
||
|
COPYTHECONTEXT("mb_skip_run", i2_mb_skip_run);
|
||
|
uc_more_data_flag = MORE_RBSP_DATA(ps_bitstrm);
|
||
|
u1_read_mb_type = uc_more_data_flag;
|
||
|
}
|
||
|
|
||
|
/***************************************************************/
|
||
|
/* Get the required information for decoding of MB */
|
||
|
/* mb_x, mb_y , neighbour availablity, */
|
||
|
/***************************************************************/
|
||
|
ps_dec->pf_get_mb_info(ps_dec, i2_cur_mb_addr, ps_cur_mb_info, i2_mb_skip_run);
|
||
|
|
||
|
/***************************************************************/
|
||
|
/* Set the deblocking parameters for this MB */
|
||
|
/***************************************************************/
|
||
|
if(ps_dec->u4_app_disable_deblk_frm == 0)
|
||
|
ih264d_set_deblocking_parameters(ps_cur_deblk_mb, ps_slice,
|
||
|
ps_dec->u1_mb_ngbr_availablity,
|
||
|
ps_dec->u1_cur_mb_fld_dec_flag);
|
||
|
|
||
|
if(i2_mb_skip_run)
|
||
|
{
|
||
|
/* Set appropriate flags in ps_cur_mb_info and ps_dec */
|
||
|
ps_dec->i1_prev_mb_qp_delta = 0;
|
||
|
ps_dec->u1_sub_mb_num = 0;
|
||
|
ps_cur_mb_info->u1_mb_type = MB_SKIP;
|
||
|
ps_cur_mb_info->u1_mb_mc_mode = PRED_16x16;
|
||
|
ps_cur_mb_info->u1_cbp = 0;
|
||
|
|
||
|
{
|
||
|
/* Storing Skip partition info */
|
||
|
parse_part_params_t *ps_part_info = ps_dec->ps_part;
|
||
|
ps_part_info->u1_is_direct = PART_DIRECT_16x16;
|
||
|
ps_part_info->u1_sub_mb_num = 0;
|
||
|
ps_dec->ps_part++;
|
||
|
}
|
||
|
|
||
|
/* Update Nnzs */
|
||
|
ih264d_update_nnz_for_skipmb(ps_dec, ps_cur_mb_info, CAVLC);
|
||
|
|
||
|
ps_cur_mb_info->ps_curmb->u1_mb_type = u1_inter_mb_type;
|
||
|
ps_cur_deblk_mb->u1_mb_type |= u1_deblk_mb_type;
|
||
|
|
||
|
i2_mb_skip_run--;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
u1_read_mb_type = 0;
|
||
|
/**************************************************************/
|
||
|
/* Macroblock Layer Begins, Decode the u1_mb_type */
|
||
|
/**************************************************************/
|
||
|
{
|
||
|
UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst;
|
||
|
UWORD32 u4_word, u4_ldz, u4_temp;
|
||
|
|
||
|
|
||
|
//Inlined ih264d_uev
|
||
|
/***************************************************************/
|
||
|
/* Find leading zeros in next 32 bits */
|
||
|
/***************************************************************/
|
||
|
NEXTBITS_32(u4_word, u4_bitstream_offset, pu4_bitstrm_buf);
|
||
|
u4_ldz = CLZ(u4_word);
|
||
|
/* Flush the ps_bitstrm */
|
||
|
u4_bitstream_offset += (u4_ldz + 1);
|
||
|
/* Read the suffix from the ps_bitstrm */
|
||
|
u4_word = 0;
|
||
|
if(u4_ldz)
|
||
|
GETBITS(u4_word, u4_bitstream_offset, pu4_bitstrm_buf,
|
||
|
u4_ldz);
|
||
|
*pu4_bitstrm_ofst = u4_bitstream_offset;
|
||
|
u4_temp = ((1 << u4_ldz) + u4_word - 1);
|
||
|
//Inlined ih264d_uev
|
||
|
if(u4_temp > (UWORD32)(25 + u1_mb_threshold))
|
||
|
return ERROR_MB_TYPE;
|
||
|
u1_mb_type = u4_temp;
|
||
|
COPYTHECONTEXT("u1_mb_type", u1_mb_type);
|
||
|
}
|
||
|
ps_cur_mb_info->u1_mb_type = u1_mb_type;
|
||
|
|
||
|
/**************************************************************/
|
||
|
/* Parse Macroblock data */
|
||
|
/**************************************************************/
|
||
|
if(u1_mb_type < u1_mb_threshold)
|
||
|
{
|
||
|
ps_cur_mb_info->ps_curmb->u1_mb_type = u1_inter_mb_type;
|
||
|
|
||
|
ret = ps_dec->pf_parse_inter_mb(ps_dec, ps_cur_mb_info, u1_num_mbs,
|
||
|
u1_num_mbsNby2);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
ps_cur_deblk_mb->u1_mb_type |= u1_deblk_mb_type;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
/* Storing Intra partition info */
|
||
|
ps_parse_mb_data->u1_num_part = 0;
|
||
|
ps_parse_mb_data->u1_isI_mb = 1;
|
||
|
|
||
|
if((25 + u1_mb_threshold) == u1_mb_type)
|
||
|
{
|
||
|
/* I_PCM_MB */
|
||
|
ps_cur_mb_info->ps_curmb->u1_mb_type = I_PCM_MB;
|
||
|
ret = ih264d_parse_ipcm_mb(ps_dec, ps_cur_mb_info, u1_num_mbs);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
ps_dec->u1_qp = 0;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ret = ih264d_parse_imb_cavlc(
|
||
|
ps_dec, ps_cur_mb_info, u1_num_mbs,
|
||
|
(UWORD8)(u1_mb_type - u1_mb_threshold));
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
ps_cur_deblk_mb->u1_mb_type |= D_INTRA_MB;
|
||
|
}
|
||
|
uc_more_data_flag = MORE_RBSP_DATA(ps_bitstrm);
|
||
|
}
|
||
|
ps_cur_deblk_mb->u1_mb_qp = ps_dec->u1_qp;
|
||
|
|
||
|
if(u1_mbaff)
|
||
|
{
|
||
|
ih264d_update_mbaff_left_nnz(ps_dec, ps_cur_mb_info);
|
||
|
if(!uc_more_data_flag && !i2_mb_skip_run && (0 == (i2_cur_mb_addr & 1)))
|
||
|
{
|
||
|
return ERROR_EOB_FLUSHBITS_T;
|
||
|
}
|
||
|
}
|
||
|
/**************************************************************/
|
||
|
/* Get next Macroblock address */
|
||
|
/**************************************************************/
|
||
|
i2_cur_mb_addr++;
|
||
|
|
||
|
u1_num_mbs++;
|
||
|
u1_num_mbsNby2++;
|
||
|
ps_parse_mb_data++;
|
||
|
|
||
|
/****************************************************************/
|
||
|
/* Check for End Of Row and other flags that determine when to */
|
||
|
/* do DMA setup for N/2-Mb, Decode for N-Mb, and Transfer for */
|
||
|
/* N-Mb */
|
||
|
/****************************************************************/
|
||
|
u1_num_mbs_next = i2_pic_wdin_mbs - ps_dec->u2_mbx - 1;
|
||
|
u1_end_of_row = (!u1_num_mbs_next) && (!(u1_mbaff && (u1_num_mbs & 0x01)));
|
||
|
u1_slice_end = (!(uc_more_data_flag || i2_mb_skip_run));
|
||
|
u1_tfr_n_mb = (u1_num_mbs == ps_dec->u1_recon_mb_grp) || u1_end_of_row
|
||
|
|| u1_slice_end;
|
||
|
u1_decode_nmb = u1_tfr_n_mb || u1_slice_end;
|
||
|
ps_cur_mb_info->u1_end_of_slice = u1_slice_end;
|
||
|
|
||
|
/*u1_dma_nby2mb = u1_decode_nmb ||
|
||
|
(u1_num_mbsNby2 == ps_dec->u1_recon_mb_grp_pair);*/
|
||
|
|
||
|
//if(u1_dma_nby2mb)
|
||
|
if(u1_decode_nmb)
|
||
|
{
|
||
|
ps_dec->pf_mvpred_ref_tfr_nby2mb(ps_dec, u1_mb_idx, u1_num_mbs);
|
||
|
u1_num_mbsNby2 = 0;
|
||
|
|
||
|
{
|
||
|
ps_parse_mb_data = ps_dec->ps_parse_mb_data;
|
||
|
ps_dec->ps_part = ps_dec->ps_parse_part_params;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/*H264_DEC_DEBUG_PRINT("Pic: %d Mb_X=%d Mb_Y=%d",
|
||
|
ps_slice->i4_poc >> ps_slice->u1_field_pic_flag,
|
||
|
ps_dec->u2_mbx,ps_dec->u2_mby + (1 - ps_cur_mb_info->u1_topmb));
|
||
|
H264_DEC_DEBUG_PRINT("u1_decode_nmb: %d", u1_decode_nmb);*/
|
||
|
if(u1_decode_nmb)
|
||
|
{
|
||
|
|
||
|
|
||
|
|
||
|
if(ps_dec->u1_separate_parse)
|
||
|
{
|
||
|
ih264d_parse_tfr_nmb(ps_dec, u1_mb_idx, u1_num_mbs,
|
||
|
u1_num_mbs_next, u1_tfr_n_mb, u1_end_of_row);
|
||
|
ps_dec->ps_nmb_info += u1_num_mbs;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ih264d_decode_recon_tfr_nmb(ps_dec, u1_mb_idx, u1_num_mbs,
|
||
|
u1_num_mbs_next, u1_tfr_n_mb,
|
||
|
u1_end_of_row);
|
||
|
}
|
||
|
ps_dec->u2_total_mbs_coded += u1_num_mbs;
|
||
|
if(u1_tfr_n_mb)
|
||
|
u1_num_mbs = 0;
|
||
|
u1_mb_idx = u1_num_mbs;
|
||
|
ps_dec->u1_mb_idx = u1_num_mbs;
|
||
|
|
||
|
}
|
||
|
//ps_dec->ps_pred++;
|
||
|
}
|
||
|
|
||
|
ps_dec->u4_num_mbs_cur_nmb = 0;
|
||
|
ps_dec->ps_cur_slice->u4_mbs_in_slice = i2_cur_mb_addr
|
||
|
- (u2_first_mb_in_slice << u1_mbaff);
|
||
|
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
WORD32 ih264d_mark_err_slice_skip(dec_struct_t * ps_dec,
|
||
|
WORD32 num_mb_skip,
|
||
|
UWORD8 u1_is_idr_slice,
|
||
|
UWORD16 u2_frame_num,
|
||
|
pocstruct_t *ps_cur_poc,
|
||
|
WORD32 prev_slice_err)
|
||
|
{
|
||
|
WORD32 i2_cur_mb_addr;
|
||
|
UWORD32 u1_num_mbs, u1_num_mbsNby2;
|
||
|
UWORD32 u1_mb_idx = ps_dec->u1_mb_idx;
|
||
|
UWORD32 i2_mb_skip_run;
|
||
|
|
||
|
UWORD32 u1_num_mbs_next, u1_end_of_row;
|
||
|
const UWORD32 i2_pic_wdin_mbs = ps_dec->u2_frm_wd_in_mbs;
|
||
|
UWORD32 u1_slice_end;
|
||
|
UWORD32 u1_tfr_n_mb;
|
||
|
UWORD32 u1_decode_nmb;
|
||
|
dec_bit_stream_t * const ps_bitstrm = ps_dec->ps_bitstrm;
|
||
|
dec_slice_params_t * ps_slice = ps_dec->ps_cur_slice;
|
||
|
UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
|
||
|
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
|
||
|
deblk_mb_t *ps_cur_deblk_mb;
|
||
|
dec_mb_info_t *ps_cur_mb_info;
|
||
|
parse_pmbarams_t *ps_parse_mb_data;
|
||
|
UWORD32 u1_inter_mb_type;
|
||
|
UWORD32 u1_deblk_mb_type;
|
||
|
UWORD16 u2_total_mbs_coded;
|
||
|
UWORD32 u1_mbaff;
|
||
|
parse_part_params_t *ps_part_info;
|
||
|
WORD32 ret;
|
||
|
UNUSED(u1_is_idr_slice);
|
||
|
|
||
|
if(ps_dec->ps_dec_err_status->u1_err_flag & REJECT_CUR_PIC)
|
||
|
{
|
||
|
ih264d_err_pic_dispbuf_mgr(ps_dec);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
if(ps_dec->ps_cur_slice->u1_mbaff_frame_flag && (num_mb_skip & 1))
|
||
|
{
|
||
|
num_mb_skip++;
|
||
|
}
|
||
|
ps_dec->ps_dpb_cmds->u1_long_term_reference_flag = 0;
|
||
|
if(prev_slice_err == 1)
|
||
|
{
|
||
|
/* first slice - missing/header corruption */
|
||
|
ps_dec->ps_cur_slice->u2_frame_num = u2_frame_num;
|
||
|
{
|
||
|
WORD32 i, j, poc = 0;
|
||
|
|
||
|
ps_dec->ps_cur_slice->u2_first_mb_in_slice = 0;
|
||
|
|
||
|
ps_dec->pf_mvpred = ih264d_mvpred_nonmbaff;
|
||
|
ps_dec->p_form_mb_part_info = ih264d_form_mb_part_info_bp;
|
||
|
ps_dec->p_motion_compensate = ih264d_motion_compensate_bp;
|
||
|
|
||
|
if(ps_dec->ps_cur_pic != NULL)
|
||
|
{
|
||
|
poc = ps_dec->ps_cur_pic->i4_poc;
|
||
|
if (poc <= INT32_MAX - 2)
|
||
|
poc += 2;
|
||
|
}
|
||
|
|
||
|
j = -1;
|
||
|
for(i = 0; i < MAX_NUM_PIC_PARAMS; i++)
|
||
|
{
|
||
|
if(ps_dec->ps_pps[i].u1_is_valid == TRUE)
|
||
|
{
|
||
|
if(ps_dec->ps_pps[i].ps_sps->u1_is_valid == TRUE)
|
||
|
{
|
||
|
j = i;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
//if valid SPS PPS is not found return error
|
||
|
if(j == -1)
|
||
|
{
|
||
|
return ERROR_INV_SLICE_HDR_T;
|
||
|
}
|
||
|
|
||
|
/* call ih264d_start_of_pic only if it was not called earlier*/
|
||
|
if(ps_dec->u4_pic_buf_got == 0)
|
||
|
{
|
||
|
//initialize slice params required by ih264d_start_of_pic to valid values
|
||
|
ps_dec->ps_cur_slice->u1_slice_type = P_SLICE;
|
||
|
ps_dec->ps_cur_slice->u1_nal_ref_idc = 1;
|
||
|
ps_dec->ps_cur_slice->u1_nal_unit_type = 1;
|
||
|
ret = ih264d_start_of_pic(ps_dec, poc, ps_cur_poc,
|
||
|
ps_dec->ps_cur_slice->u2_frame_num,
|
||
|
&ps_dec->ps_pps[j]);
|
||
|
|
||
|
if(ret != OK)
|
||
|
{
|
||
|
return ret;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
ps_dec->ps_ref_pic_buf_lx[0][0]->u1_pic_buf_id = 0;
|
||
|
|
||
|
ps_dec->u4_output_present = 0;
|
||
|
|
||
|
{
|
||
|
ih264d_get_next_display_field(ps_dec,
|
||
|
ps_dec->ps_out_buffer,
|
||
|
&(ps_dec->s_disp_op));
|
||
|
/* If error code is non-zero then there is no buffer available for display,
|
||
|
hence avoid format conversion */
|
||
|
|
||
|
if(0 != ps_dec->s_disp_op.u4_error_code)
|
||
|
{
|
||
|
ps_dec->u4_fmt_conv_cur_row = ps_dec->s_disp_frame_info.u4_y_ht;
|
||
|
}
|
||
|
else
|
||
|
ps_dec->u4_output_present = 1;
|
||
|
}
|
||
|
|
||
|
if(ps_dec->u1_separate_parse == 1)
|
||
|
{
|
||
|
if(ps_dec->u4_dec_thread_created == 0)
|
||
|
{
|
||
|
ithread_create(ps_dec->pv_dec_thread_handle, NULL,
|
||
|
(void *)ih264d_decode_picture_thread,
|
||
|
(void *)ps_dec);
|
||
|
|
||
|
ps_dec->u4_dec_thread_created = 1;
|
||
|
}
|
||
|
|
||
|
if((ps_dec->u4_num_cores == 3) &&
|
||
|
((ps_dec->u4_app_disable_deblk_frm == 0) || ps_dec->i1_recon_in_thread3_flag)
|
||
|
&& (ps_dec->u4_bs_deblk_thread_created == 0))
|
||
|
{
|
||
|
ps_dec->u4_start_recon_deblk = 0;
|
||
|
ithread_create(ps_dec->pv_bs_deblk_thread_handle, NULL,
|
||
|
(void *)ih264d_recon_deblk_thread,
|
||
|
(void *)ps_dec);
|
||
|
ps_dec->u4_bs_deblk_thread_created = 1;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// Middle / last slice
|
||
|
|
||
|
dec_slice_struct_t *ps_parse_cur_slice;
|
||
|
ps_parse_cur_slice = ps_dec->ps_dec_slice_buf + ps_dec->u2_cur_slice_num;
|
||
|
|
||
|
if(ps_dec->u1_slice_header_done
|
||
|
&& ps_parse_cur_slice == ps_dec->ps_parse_cur_slice)
|
||
|
{
|
||
|
// Slice data corrupted
|
||
|
// in the case of mbaff, conceal from the even mb.
|
||
|
if((ps_dec->ps_cur_slice->u1_mbaff_frame_flag) && (ps_dec->u4_num_mbs_cur_nmb & 1))
|
||
|
{
|
||
|
ps_dec->u4_num_mbs_cur_nmb = ps_dec->u4_num_mbs_cur_nmb - 1;
|
||
|
ps_dec->u2_cur_mb_addr--;
|
||
|
}
|
||
|
|
||
|
u1_num_mbs = ps_dec->u4_num_mbs_cur_nmb;
|
||
|
if(u1_num_mbs)
|
||
|
{
|
||
|
ps_cur_mb_info = ps_dec->ps_nmb_info + u1_num_mbs - 1;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(ps_dec->u1_separate_parse)
|
||
|
{
|
||
|
ps_cur_mb_info = ps_dec->ps_nmb_info;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ps_cur_mb_info = ps_dec->ps_nmb_info
|
||
|
+ ps_dec->u4_num_mbs_prev_nmb - 1;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
ps_dec->u2_mby = ps_cur_mb_info->u2_mby;
|
||
|
ps_dec->u2_mbx = ps_cur_mb_info->u2_mbx;
|
||
|
|
||
|
ps_dec->u1_mb_ngbr_availablity =
|
||
|
ps_cur_mb_info->u1_mb_ngbr_availablity;
|
||
|
|
||
|
if(u1_num_mbs)
|
||
|
{
|
||
|
// Going back 1 mb
|
||
|
ps_dec->pv_parse_tu_coeff_data = ps_dec->pv_prev_mb_parse_tu_coeff_data;
|
||
|
ps_dec->u2_cur_mb_addr--;
|
||
|
ps_dec->i4_submb_ofst -= SUB_BLK_SIZE;
|
||
|
|
||
|
// Parse/decode N-MB left unparsed
|
||
|
if (ps_dec->u1_pr_sl_type == P_SLICE
|
||
|
|| ps_dec->u1_pr_sl_type == B_SLICE)
|
||
|
{
|
||
|
ps_dec->pf_mvpred_ref_tfr_nby2mb(ps_dec, u1_mb_idx, u1_num_mbs);
|
||
|
ps_dec->ps_part = ps_dec->ps_parse_part_params;
|
||
|
}
|
||
|
|
||
|
u1_num_mbs_next = i2_pic_wdin_mbs - ps_dec->u2_mbx - 1;
|
||
|
u1_end_of_row = (!u1_num_mbs_next)
|
||
|
&& (!(ps_dec->ps_cur_slice->u1_mbaff_frame_flag && (u1_num_mbs & 0x01)));
|
||
|
u1_slice_end = 1;
|
||
|
u1_tfr_n_mb = 1;
|
||
|
ps_cur_mb_info->u1_end_of_slice = u1_slice_end;
|
||
|
|
||
|
if(ps_dec->u1_separate_parse)
|
||
|
{
|
||
|
ih264d_parse_tfr_nmb(ps_dec, u1_mb_idx, u1_num_mbs,
|
||
|
u1_num_mbs_next, u1_tfr_n_mb, u1_end_of_row);
|
||
|
ps_dec->ps_nmb_info += u1_num_mbs;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ih264d_decode_recon_tfr_nmb(ps_dec, u1_mb_idx, u1_num_mbs,
|
||
|
u1_num_mbs_next, u1_tfr_n_mb, u1_end_of_row);
|
||
|
}
|
||
|
ps_dec->u2_total_mbs_coded += u1_num_mbs;
|
||
|
ps_dec->u1_mb_idx = 0;
|
||
|
ps_dec->u4_num_mbs_cur_nmb = 0;
|
||
|
}
|
||
|
|
||
|
if(ps_dec->u2_total_mbs_coded
|
||
|
>= ps_dec->u2_frm_ht_in_mbs * ps_dec->u2_frm_wd_in_mbs)
|
||
|
{
|
||
|
ps_dec->u1_pic_decode_done = 1;
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/* Inserting new slice only if the current slice has atleast 1 MB*/
|
||
|
if(ps_dec->ps_parse_cur_slice->u4_first_mb_in_slice <
|
||
|
(UWORD32)(ps_dec->u2_total_mbs_coded >> ps_slice->u1_mbaff_frame_flag))
|
||
|
{
|
||
|
ps_dec->i2_prev_slice_mbx = ps_dec->u2_mbx;
|
||
|
ps_dec->i2_prev_slice_mby = ps_dec->u2_mby;
|
||
|
ps_dec->u2_cur_slice_num++;
|
||
|
ps_dec->ps_parse_cur_slice++;
|
||
|
}
|
||
|
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// Slice missing / header corrupted
|
||
|
ps_dec->ps_parse_cur_slice = ps_dec->ps_dec_slice_buf
|
||
|
+ ps_dec->u2_cur_slice_num;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/******************************************************/
|
||
|
/* Initializations to new slice */
|
||
|
/******************************************************/
|
||
|
{
|
||
|
WORD32 num_entries;
|
||
|
WORD32 size;
|
||
|
UWORD8 *pu1_buf;
|
||
|
|
||
|
num_entries = MAX_FRAMES;
|
||
|
if((1 >= ps_dec->ps_cur_sps->u1_num_ref_frames) &&
|
||
|
(0 == ps_dec->i4_display_delay))
|
||
|
{
|
||
|
num_entries = 1;
|
||
|
}
|
||
|
num_entries = ((2 * num_entries) + 1);
|
||
|
num_entries *= 2;
|
||
|
|
||
|
size = num_entries * sizeof(void *);
|
||
|
size += PAD_MAP_IDX_POC * sizeof(void *);
|
||
|
|
||
|
pu1_buf = (UWORD8 *)ps_dec->pv_map_ref_idx_to_poc_buf;
|
||
|
pu1_buf += size * ps_dec->u2_cur_slice_num;
|
||
|
ps_dec->ps_parse_cur_slice->ppv_map_ref_idx_to_poc = (volatile void **)pu1_buf;
|
||
|
}
|
||
|
u1_mbaff = ps_slice->u1_mbaff_frame_flag;
|
||
|
ps_dec->ps_cur_slice->u2_first_mb_in_slice = ps_dec->u2_total_mbs_coded >> u1_mbaff;
|
||
|
ps_dec->ps_cur_slice->i1_slice_alpha_c0_offset = 0;
|
||
|
ps_dec->ps_cur_slice->i1_slice_beta_offset = 0;
|
||
|
|
||
|
if(ps_dec->ps_cur_slice->u1_field_pic_flag)
|
||
|
ps_dec->u2_prv_frame_num = ps_dec->ps_cur_slice->u2_frame_num;
|
||
|
|
||
|
ps_dec->ps_parse_cur_slice->u4_first_mb_in_slice = ps_dec->u2_total_mbs_coded >> u1_mbaff;
|
||
|
ps_dec->ps_parse_cur_slice->u2_log2Y_crwd = ps_dec->ps_cur_slice->u2_log2Y_crwd;
|
||
|
|
||
|
|
||
|
if(ps_dec->u1_separate_parse)
|
||
|
{
|
||
|
ps_dec->ps_parse_cur_slice->pv_tu_coeff_data_start = ps_dec->pv_parse_tu_coeff_data;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ps_dec->pv_proc_tu_coeff_data = ps_dec->pv_parse_tu_coeff_data;
|
||
|
}
|
||
|
|
||
|
/******************************************************/
|
||
|
/* Initializations specific to P slice */
|
||
|
/******************************************************/
|
||
|
u1_inter_mb_type = P_MB;
|
||
|
u1_deblk_mb_type = D_INTER_MB;
|
||
|
|
||
|
ps_dec->ps_cur_slice->u1_slice_type = P_SLICE;
|
||
|
ps_dec->ps_parse_cur_slice->slice_type = P_SLICE;
|
||
|
ps_dec->pf_mvpred_ref_tfr_nby2mb = ih264d_mv_pred_ref_tfr_nby2_pmb;
|
||
|
ps_dec->ps_part = ps_dec->ps_parse_part_params;
|
||
|
ps_dec->u2_mbx =
|
||
|
(MOD(ps_dec->ps_cur_slice->u2_first_mb_in_slice - 1, ps_dec->u2_frm_wd_in_mbs));
|
||
|
ps_dec->u2_mby =
|
||
|
(DIV(ps_dec->ps_cur_slice->u2_first_mb_in_slice - 1, ps_dec->u2_frm_wd_in_mbs));
|
||
|
ps_dec->u2_mby <<= u1_mbaff;
|
||
|
|
||
|
/******************************************************/
|
||
|
/* Parsing / decoding the slice */
|
||
|
/******************************************************/
|
||
|
ps_dec->u1_slice_header_done = 2;
|
||
|
ps_dec->u1_qp = ps_slice->u1_slice_qp;
|
||
|
ih264d_update_qp(ps_dec, 0);
|
||
|
u1_mb_idx = ps_dec->u1_mb_idx;
|
||
|
ps_parse_mb_data = ps_dec->ps_parse_mb_data;
|
||
|
u1_num_mbs = u1_mb_idx;
|
||
|
|
||
|
u1_slice_end = 0;
|
||
|
u1_tfr_n_mb = 0;
|
||
|
u1_decode_nmb = 0;
|
||
|
u1_num_mbsNby2 = 0;
|
||
|
i2_cur_mb_addr = ps_dec->u2_total_mbs_coded;
|
||
|
i2_mb_skip_run = num_mb_skip;
|
||
|
|
||
|
while(!u1_slice_end)
|
||
|
{
|
||
|
UWORD8 u1_mb_type;
|
||
|
|
||
|
if(i2_cur_mb_addr > ps_dec->ps_cur_sps->u2_max_mb_addr)
|
||
|
break;
|
||
|
|
||
|
ps_cur_mb_info = ps_dec->ps_nmb_info + u1_num_mbs;
|
||
|
ps_dec->u4_num_mbs_cur_nmb = u1_num_mbs;
|
||
|
|
||
|
ps_cur_mb_info->u1_Mux = 0;
|
||
|
ps_dec->u4_num_pmbair = (u1_num_mbs >> u1_mbaff);
|
||
|
ps_cur_deblk_mb = ps_dec->ps_deblk_mbn + u1_num_mbs;
|
||
|
|
||
|
ps_cur_mb_info->u1_end_of_slice = 0;
|
||
|
|
||
|
/* Storing Default partition info */
|
||
|
ps_parse_mb_data->u1_num_part = 1;
|
||
|
ps_parse_mb_data->u1_isI_mb = 0;
|
||
|
|
||
|
/**************************************************************/
|
||
|
/* Get the required information for decoding of MB */
|
||
|
/**************************************************************/
|
||
|
/* mb_x, mb_y, neighbor availablity, */
|
||
|
if (u1_mbaff)
|
||
|
ih264d_get_mb_info_cavlc_mbaff(ps_dec, i2_cur_mb_addr, ps_cur_mb_info, i2_mb_skip_run);
|
||
|
else
|
||
|
ih264d_get_mb_info_cavlc_nonmbaff(ps_dec, i2_cur_mb_addr, ps_cur_mb_info, i2_mb_skip_run);
|
||
|
|
||
|
/* Set the deblocking parameters for this MB */
|
||
|
if(ps_dec->u4_app_disable_deblk_frm == 0)
|
||
|
{
|
||
|
ih264d_set_deblocking_parameters(ps_cur_deblk_mb, ps_slice,
|
||
|
ps_dec->u1_mb_ngbr_availablity,
|
||
|
ps_dec->u1_cur_mb_fld_dec_flag);
|
||
|
}
|
||
|
|
||
|
/* Set appropriate flags in ps_cur_mb_info and ps_dec */
|
||
|
ps_dec->i1_prev_mb_qp_delta = 0;
|
||
|
ps_dec->u1_sub_mb_num = 0;
|
||
|
ps_cur_mb_info->u1_mb_type = MB_SKIP;
|
||
|
ps_cur_mb_info->u1_mb_mc_mode = PRED_16x16;
|
||
|
ps_cur_mb_info->u1_cbp = 0;
|
||
|
|
||
|
/* Storing Skip partition info */
|
||
|
ps_part_info = ps_dec->ps_part;
|
||
|
ps_part_info->u1_is_direct = PART_DIRECT_16x16;
|
||
|
ps_part_info->u1_sub_mb_num = 0;
|
||
|
ps_dec->ps_part++;
|
||
|
|
||
|
/* Update Nnzs */
|
||
|
ih264d_update_nnz_for_skipmb(ps_dec, ps_cur_mb_info, CAVLC);
|
||
|
|
||
|
ps_cur_mb_info->ps_curmb->u1_mb_type = u1_inter_mb_type;
|
||
|
ps_cur_deblk_mb->u1_mb_type |= u1_deblk_mb_type;
|
||
|
|
||
|
i2_mb_skip_run--;
|
||
|
|
||
|
ps_cur_deblk_mb->u1_mb_qp = ps_dec->u1_qp;
|
||
|
|
||
|
if (u1_mbaff)
|
||
|
{
|
||
|
ih264d_update_mbaff_left_nnz(ps_dec, ps_cur_mb_info);
|
||
|
}
|
||
|
|
||
|
/**************************************************************/
|
||
|
/* Get next Macroblock address */
|
||
|
/**************************************************************/
|
||
|
i2_cur_mb_addr++;
|
||
|
|
||
|
u1_num_mbs++;
|
||
|
u1_num_mbsNby2++;
|
||
|
ps_parse_mb_data++;
|
||
|
|
||
|
/****************************************************************/
|
||
|
/* Check for End Of Row and other flags that determine when to */
|
||
|
/* do DMA setup for N/2-Mb, Decode for N-Mb, and Transfer for */
|
||
|
/* N-Mb */
|
||
|
/****************************************************************/
|
||
|
u1_num_mbs_next = i2_pic_wdin_mbs - ps_dec->u2_mbx - 1;
|
||
|
u1_end_of_row = (!u1_num_mbs_next) && (!(u1_mbaff && (u1_num_mbs & 0x01)));
|
||
|
u1_slice_end = !i2_mb_skip_run;
|
||
|
u1_tfr_n_mb = (u1_num_mbs == ps_dec->u1_recon_mb_grp) || u1_end_of_row
|
||
|
|| u1_slice_end;
|
||
|
u1_decode_nmb = u1_tfr_n_mb || u1_slice_end;
|
||
|
ps_cur_mb_info->u1_end_of_slice = u1_slice_end;
|
||
|
|
||
|
if(u1_decode_nmb)
|
||
|
{
|
||
|
ps_dec->pf_mvpred_ref_tfr_nby2mb(ps_dec, u1_mb_idx, u1_num_mbs);
|
||
|
u1_num_mbsNby2 = 0;
|
||
|
|
||
|
ps_parse_mb_data = ps_dec->ps_parse_mb_data;
|
||
|
ps_dec->ps_part = ps_dec->ps_parse_part_params;
|
||
|
|
||
|
if(ps_dec->u1_separate_parse)
|
||
|
{
|
||
|
ih264d_parse_tfr_nmb(ps_dec, u1_mb_idx, u1_num_mbs,
|
||
|
u1_num_mbs_next, u1_tfr_n_mb, u1_end_of_row);
|
||
|
ps_dec->ps_nmb_info += u1_num_mbs;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ih264d_decode_recon_tfr_nmb(ps_dec, u1_mb_idx, u1_num_mbs, u1_num_mbs_next,
|
||
|
u1_tfr_n_mb, u1_end_of_row);
|
||
|
}
|
||
|
ps_dec->u2_total_mbs_coded += u1_num_mbs;
|
||
|
if(u1_tfr_n_mb)
|
||
|
u1_num_mbs = 0;
|
||
|
u1_mb_idx = u1_num_mbs;
|
||
|
ps_dec->u1_mb_idx = u1_num_mbs;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
ps_dec->u4_num_mbs_cur_nmb = 0;
|
||
|
ps_dec->ps_cur_slice->u4_mbs_in_slice = i2_cur_mb_addr
|
||
|
- ps_dec->ps_parse_cur_slice->u4_first_mb_in_slice;
|
||
|
|
||
|
H264_DEC_DEBUG_PRINT("Mbs in slice: %d\n", ps_dec->ps_cur_slice->u4_mbs_in_slice);
|
||
|
|
||
|
|
||
|
/* incremented here only if first slice is inserted */
|
||
|
if(ps_dec->u4_first_slice_in_pic != 0)
|
||
|
{
|
||
|
ps_dec->ps_parse_cur_slice++;
|
||
|
ps_dec->u2_cur_slice_num++;
|
||
|
}
|
||
|
|
||
|
ps_dec->i2_prev_slice_mbx = ps_dec->u2_mbx;
|
||
|
ps_dec->i2_prev_slice_mby = ps_dec->u2_mby;
|
||
|
|
||
|
if(ps_dec->u2_total_mbs_coded
|
||
|
>= ps_dec->u2_frm_ht_in_mbs * ps_dec->u2_frm_wd_in_mbs)
|
||
|
{
|
||
|
ps_dec->u1_pic_decode_done = 1;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
**************************************************************************
|
||
|
* \if Function name : ih264d_decode_pslice \endif
|
||
|
*
|
||
|
* \brief
|
||
|
* Decodes a P Slice
|
||
|
*
|
||
|
*
|
||
|
* \return
|
||
|
* 0 on Success and Error code otherwise
|
||
|
**************************************************************************
|
||
|
*/
|
||
|
WORD32 ih264d_parse_pslice(dec_struct_t *ps_dec, UWORD16 u2_first_mb_in_slice)
|
||
|
{
|
||
|
dec_pic_params_t * ps_pps = ps_dec->ps_cur_pps;
|
||
|
dec_slice_params_t * ps_cur_slice = ps_dec->ps_cur_slice;
|
||
|
dec_bit_stream_t *ps_bitstrm = ps_dec->ps_bitstrm;
|
||
|
UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer;
|
||
|
UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst;
|
||
|
UWORD8 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; //ps_dec->ps_cur_sps->u1_mb_aff_flag;
|
||
|
UWORD8 u1_field_pic_flag = ps_cur_slice->u1_field_pic_flag;
|
||
|
|
||
|
UWORD64 u8_ref_idx_l0;
|
||
|
UWORD32 u4_temp;
|
||
|
WORD32 i_temp;
|
||
|
WORD32 ret;
|
||
|
|
||
|
/*--------------------------------------------------------------------*/
|
||
|
/* Read remaining contents of the slice header */
|
||
|
/*--------------------------------------------------------------------*/
|
||
|
{
|
||
|
WORD8 *pi1_buf;
|
||
|
WORD16 *pi2_mv = ps_dec->s_default_mv_pred.i2_mv;
|
||
|
WORD32 *pi4_mv = (WORD32*)pi2_mv;
|
||
|
WORD16 *pi16_refFrame;
|
||
|
|
||
|
pi1_buf = ps_dec->s_default_mv_pred.i1_ref_frame;
|
||
|
pi16_refFrame = (WORD16*)pi1_buf;
|
||
|
*pi4_mv = 0;
|
||
|
*(pi4_mv + 1) = 0;
|
||
|
*pi16_refFrame = OUT_OF_RANGE_REF;
|
||
|
ps_dec->s_default_mv_pred.u1_col_ref_pic_idx = (UWORD8)-1;
|
||
|
ps_dec->s_default_mv_pred.u1_pic_type = (UWORD8)-1;
|
||
|
}
|
||
|
|
||
|
ps_cur_slice->u1_num_ref_idx_active_override_flag = ih264d_get_bit_h264(
|
||
|
ps_bitstrm);
|
||
|
|
||
|
COPYTHECONTEXT("SH: num_ref_idx_override_flag",
|
||
|
ps_cur_slice->u1_num_ref_idx_active_override_flag);
|
||
|
|
||
|
u8_ref_idx_l0 = ps_dec->ps_cur_pps->u1_num_ref_idx_lx_active[0];
|
||
|
if(ps_cur_slice->u1_num_ref_idx_active_override_flag)
|
||
|
{
|
||
|
u8_ref_idx_l0 = ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf) + (UWORD64)1;
|
||
|
}
|
||
|
|
||
|
{
|
||
|
UWORD8 u1_max_ref_idx = H264_MAX_REF_PICS << u1_field_pic_flag;
|
||
|
if(u8_ref_idx_l0 > u1_max_ref_idx)
|
||
|
{
|
||
|
return ERROR_NUM_REF;
|
||
|
}
|
||
|
ps_cur_slice->u1_num_ref_idx_lx_active[0] = u8_ref_idx_l0;
|
||
|
COPYTHECONTEXT("SH: num_ref_idx_l0_active_minus1",
|
||
|
ps_cur_slice->u1_num_ref_idx_lx_active[0] - 1);
|
||
|
|
||
|
}
|
||
|
|
||
|
{
|
||
|
UWORD8 uc_refIdxReFlagL0 = ih264d_get_bit_h264(ps_bitstrm);
|
||
|
COPYTHECONTEXT("SH: ref_pic_list_reordering_flag_l0",uc_refIdxReFlagL0);
|
||
|
|
||
|
ih264d_init_ref_idx_lx_p(ps_dec);
|
||
|
/* Store the value for future slices in the same picture */
|
||
|
ps_dec->u1_num_ref_idx_lx_active_prev =
|
||
|
ps_cur_slice->u1_num_ref_idx_lx_active[0];
|
||
|
|
||
|
/* Modified temporarily */
|
||
|
if(uc_refIdxReFlagL0)
|
||
|
{
|
||
|
WORD8 ret;
|
||
|
ps_dec->ps_ref_pic_buf_lx[0] = ps_dec->ps_dpb_mgr->ps_mod_dpb[0];
|
||
|
ret = ih264d_ref_idx_reordering(ps_dec, 0);
|
||
|
if(ret == -1)
|
||
|
return ERROR_REFIDX_ORDER_T;
|
||
|
ps_dec->ps_ref_pic_buf_lx[0] = ps_dec->ps_dpb_mgr->ps_mod_dpb[0];
|
||
|
}
|
||
|
else
|
||
|
ps_dec->ps_ref_pic_buf_lx[0] =
|
||
|
ps_dec->ps_dpb_mgr->ps_init_dpb[0];
|
||
|
}
|
||
|
/* Create refIdx to POC mapping */
|
||
|
{
|
||
|
void **pui_map_ref_idx_to_poc_lx0, **pui_map_ref_idx_to_poc_lx1;
|
||
|
WORD8 idx;
|
||
|
struct pic_buffer_t *ps_pic;
|
||
|
|
||
|
pui_map_ref_idx_to_poc_lx0 = ps_dec->ppv_map_ref_idx_to_poc + FRM_LIST_L0;
|
||
|
pui_map_ref_idx_to_poc_lx0[0] = 0; //For ref_idx = -1
|
||
|
pui_map_ref_idx_to_poc_lx0++;
|
||
|
for(idx = 0; idx < ps_cur_slice->u1_num_ref_idx_lx_active[0]; idx++)
|
||
|
{
|
||
|
ps_pic = ps_dec->ps_ref_pic_buf_lx[0][idx];
|
||
|
pui_map_ref_idx_to_poc_lx0[idx] = (ps_pic->pu1_buf1);
|
||
|
}
|
||
|
|
||
|
/* Bug Fix Deblocking */
|
||
|
pui_map_ref_idx_to_poc_lx1 = ps_dec->ppv_map_ref_idx_to_poc + FRM_LIST_L1;
|
||
|
pui_map_ref_idx_to_poc_lx1[0] = 0;
|
||
|
|
||
|
if(u1_mbaff)
|
||
|
{
|
||
|
void **ppv_map_ref_idx_to_poc_lx_t, **ppv_map_ref_idx_to_poc_lx_b;
|
||
|
void **ppv_map_ref_idx_to_poc_lx_t1, **ppv_map_ref_idx_to_poc_lx_b1;
|
||
|
ppv_map_ref_idx_to_poc_lx_t = ps_dec->ppv_map_ref_idx_to_poc
|
||
|
+ TOP_LIST_FLD_L0;
|
||
|
ppv_map_ref_idx_to_poc_lx_b = ps_dec->ppv_map_ref_idx_to_poc
|
||
|
+ BOT_LIST_FLD_L0;
|
||
|
|
||
|
ppv_map_ref_idx_to_poc_lx_t[0] = 0; // For ref_idx = -1
|
||
|
ppv_map_ref_idx_to_poc_lx_t++;
|
||
|
ppv_map_ref_idx_to_poc_lx_b[0] = 0; // For ref_idx = -1
|
||
|
ppv_map_ref_idx_to_poc_lx_b++;
|
||
|
|
||
|
idx = 0;
|
||
|
for(idx = 0; idx < ps_cur_slice->u1_num_ref_idx_lx_active[0]; idx++)
|
||
|
{
|
||
|
ps_pic = ps_dec->ps_ref_pic_buf_lx[0][idx];
|
||
|
ppv_map_ref_idx_to_poc_lx_t[0] = (ps_pic->pu1_buf1);
|
||
|
ppv_map_ref_idx_to_poc_lx_b[1] = (ps_pic->pu1_buf1);
|
||
|
|
||
|
ppv_map_ref_idx_to_poc_lx_b[0] = (ps_pic->pu1_buf1) + 1;
|
||
|
ppv_map_ref_idx_to_poc_lx_t[1] = (ps_pic->pu1_buf1) + 1;
|
||
|
|
||
|
ppv_map_ref_idx_to_poc_lx_t += 2;
|
||
|
ppv_map_ref_idx_to_poc_lx_b += 2;
|
||
|
}
|
||
|
ppv_map_ref_idx_to_poc_lx_t1 = ps_dec->ppv_map_ref_idx_to_poc
|
||
|
+ TOP_LIST_FLD_L1;
|
||
|
ppv_map_ref_idx_to_poc_lx_t1[0] = 0;
|
||
|
ppv_map_ref_idx_to_poc_lx_b1 = ps_dec->ppv_map_ref_idx_to_poc
|
||
|
+ BOT_LIST_FLD_L1;
|
||
|
ppv_map_ref_idx_to_poc_lx_b1[0] = 0;
|
||
|
|
||
|
}
|
||
|
|
||
|
if(ps_dec->u4_num_cores >= 3)
|
||
|
{
|
||
|
WORD32 num_entries;
|
||
|
WORD32 size;
|
||
|
|
||
|
num_entries = MAX_FRAMES;
|
||
|
if((1 >= ps_dec->ps_cur_sps->u1_num_ref_frames) &&
|
||
|
(0 == ps_dec->i4_display_delay))
|
||
|
{
|
||
|
num_entries = 1;
|
||
|
}
|
||
|
num_entries = ((2 * num_entries) + 1);
|
||
|
num_entries *= 2;
|
||
|
|
||
|
size = num_entries * sizeof(void *);
|
||
|
size += PAD_MAP_IDX_POC * sizeof(void *);
|
||
|
|
||
|
memcpy((void *)ps_dec->ps_parse_cur_slice->ppv_map_ref_idx_to_poc,
|
||
|
ps_dec->ppv_map_ref_idx_to_poc,
|
||
|
size);
|
||
|
}
|
||
|
|
||
|
|
||
|
}
|
||
|
if(ps_pps->u1_wted_pred_flag)
|
||
|
{
|
||
|
ret = ih264d_parse_pred_weight_table(ps_cur_slice, ps_bitstrm);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
ih264d_form_pred_weight_matrix(ps_dec);
|
||
|
ps_dec->pu4_wt_ofsts = ps_dec->pu4_wts_ofsts_mat;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ps_dec->ps_cur_slice->u2_log2Y_crwd = 0;
|
||
|
ps_dec->pu4_wt_ofsts = ps_dec->pu4_wts_ofsts_mat;
|
||
|
}
|
||
|
|
||
|
ps_dec->ps_parse_cur_slice->u2_log2Y_crwd =
|
||
|
ps_dec->ps_cur_slice->u2_log2Y_crwd;
|
||
|
|
||
|
if(u1_mbaff && (u1_field_pic_flag == 0))
|
||
|
{
|
||
|
ih264d_convert_frm_mbaff_list(ps_dec);
|
||
|
}
|
||
|
|
||
|
/* G050 */
|
||
|
if(ps_cur_slice->u1_nal_ref_idc != 0)
|
||
|
{
|
||
|
if(!ps_dec->ps_dpb_cmds->u1_dpb_commands_read)
|
||
|
{
|
||
|
i_temp = ih264d_read_mmco_commands(ps_dec);
|
||
|
if (i_temp < 0)
|
||
|
{
|
||
|
return ERROR_DBP_MANAGER_T;
|
||
|
}
|
||
|
ps_dec->u4_bitoffset = i_temp;
|
||
|
}
|
||
|
else
|
||
|
ps_bitstrm->u4_ofst += ps_dec->u4_bitoffset;
|
||
|
|
||
|
}
|
||
|
/* G050 */
|
||
|
|
||
|
if(ps_pps->u1_entropy_coding_mode == CABAC)
|
||
|
{
|
||
|
u4_temp = ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf);
|
||
|
|
||
|
if(u4_temp > MAX_CABAC_INIT_IDC)
|
||
|
{
|
||
|
return ERROR_INV_SLICE_HDR_T;
|
||
|
}
|
||
|
ps_cur_slice->u1_cabac_init_idc = u4_temp;
|
||
|
COPYTHECONTEXT("SH: cabac_init_idc",ps_cur_slice->u1_cabac_init_idc);
|
||
|
}
|
||
|
|
||
|
/* Read slice_qp_delta */
|
||
|
WORD64 i8_temp = (WORD64)ps_pps->u1_pic_init_qp
|
||
|
+ ih264d_sev(pu4_bitstrm_ofst, pu4_bitstrm_buf);
|
||
|
if((i8_temp < MIN_H264_QP) || (i8_temp > MAX_H264_QP))
|
||
|
{
|
||
|
return ERROR_INV_RANGE_QP_T;
|
||
|
}
|
||
|
ps_cur_slice->u1_slice_qp = i8_temp;
|
||
|
COPYTHECONTEXT("SH: slice_qp_delta",
|
||
|
(WORD8)(ps_cur_slice->u1_slice_qp - ps_pps->u1_pic_init_qp));
|
||
|
|
||
|
if(ps_pps->u1_deblocking_filter_parameters_present_flag == 1)
|
||
|
{
|
||
|
u4_temp = ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf);
|
||
|
if(u4_temp > SLICE_BOUNDARY_DBLK_DISABLED)
|
||
|
{
|
||
|
return ERROR_INV_SLICE_HDR_T;
|
||
|
}
|
||
|
|
||
|
COPYTHECONTEXT("SH: disable_deblocking_filter_idc", u4_temp);
|
||
|
ps_cur_slice->u1_disable_dblk_filter_idc = u4_temp;
|
||
|
if(u4_temp != 1)
|
||
|
{
|
||
|
i_temp = ih264d_sev(pu4_bitstrm_ofst, pu4_bitstrm_buf)
|
||
|
<< 1;
|
||
|
if((MIN_DBLK_FIL_OFF > i_temp) || (i_temp > MAX_DBLK_FIL_OFF))
|
||
|
{
|
||
|
return ERROR_INV_SLICE_HDR_T;
|
||
|
}
|
||
|
ps_cur_slice->i1_slice_alpha_c0_offset = i_temp;
|
||
|
COPYTHECONTEXT("SH: slice_alpha_c0_offset_div2",
|
||
|
ps_cur_slice->i1_slice_alpha_c0_offset >> 1);
|
||
|
|
||
|
i_temp = ih264d_sev(pu4_bitstrm_ofst, pu4_bitstrm_buf)
|
||
|
<< 1;
|
||
|
if((MIN_DBLK_FIL_OFF > i_temp) || (i_temp > MAX_DBLK_FIL_OFF))
|
||
|
{
|
||
|
return ERROR_INV_SLICE_HDR_T;
|
||
|
}
|
||
|
ps_cur_slice->i1_slice_beta_offset = i_temp;
|
||
|
COPYTHECONTEXT("SH: slice_beta_offset_div2",
|
||
|
ps_cur_slice->i1_slice_beta_offset >> 1);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ps_cur_slice->i1_slice_alpha_c0_offset = 0;
|
||
|
ps_cur_slice->i1_slice_beta_offset = 0;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ps_cur_slice->u1_disable_dblk_filter_idc = 0;
|
||
|
ps_cur_slice->i1_slice_alpha_c0_offset = 0;
|
||
|
ps_cur_slice->i1_slice_beta_offset = 0;
|
||
|
}
|
||
|
|
||
|
ps_dec->u1_slice_header_done = 2;
|
||
|
|
||
|
if(ps_pps->u1_entropy_coding_mode)
|
||
|
{
|
||
|
SWITCHOFFTRACE; SWITCHONTRACECABAC;
|
||
|
ps_dec->pf_parse_inter_slice = ih264d_parse_inter_slice_data_cabac;
|
||
|
ps_dec->pf_parse_inter_mb = ih264d_parse_pmb_cabac;
|
||
|
ih264d_init_cabac_contexts(P_SLICE, ps_dec);
|
||
|
|
||
|
if(ps_dec->ps_cur_slice->u1_mbaff_frame_flag)
|
||
|
ps_dec->pf_get_mb_info = ih264d_get_mb_info_cabac_mbaff;
|
||
|
else
|
||
|
ps_dec->pf_get_mb_info = ih264d_get_mb_info_cabac_nonmbaff;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
SWITCHONTRACE; SWITCHOFFTRACECABAC;
|
||
|
ps_dec->pf_parse_inter_slice = ih264d_parse_inter_slice_data_cavlc;
|
||
|
ps_dec->pf_parse_inter_mb = ih264d_parse_pmb_cavlc;
|
||
|
if(ps_dec->ps_cur_slice->u1_mbaff_frame_flag)
|
||
|
{
|
||
|
ps_dec->pf_get_mb_info = ih264d_get_mb_info_cavlc_mbaff;
|
||
|
}
|
||
|
else
|
||
|
ps_dec->pf_get_mb_info = ih264d_get_mb_info_cavlc_nonmbaff;
|
||
|
}
|
||
|
|
||
|
ps_dec->u1_B = 0;
|
||
|
ps_dec->pf_mvpred_ref_tfr_nby2mb = ih264d_mv_pred_ref_tfr_nby2_pmb;
|
||
|
ret = ps_dec->pf_parse_inter_slice(ps_dec, ps_cur_slice, u2_first_mb_in_slice);
|
||
|
if(ret != OK)
|
||
|
return ret;
|
||
|
// ps_dec->curr_slice_in_error = 0 ;
|
||
|
return OK;
|
||
|
}
|