ih264d_parse_bslice.c revision 208c74d62a3e1039dc87818306e057877760fbaa
18d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S/****************************************************************************** 28d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 38d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * Copyright (C) 2015 The Android Open Source Project 48d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 58d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * Licensed under the Apache License, Version 2.0 (the "License"); 68d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * you may not use this file except in compliance with the License. 78d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * You may obtain a copy of the License at: 88d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 98d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * http://www.apache.org/licenses/LICENSE-2.0 108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * Unless required by applicable law or agreed to in writing, software 128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * distributed under the License is distributed on an "AS IS" BASIS, 138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * See the License for the specific language governing permissions and 158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * limitations under the License. 168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ***************************************************************************** 188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S*/ 208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S/*! 218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \file ih264d_parse_bslice.c 238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \brief 258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * Contains routines that decode a I slice type 268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * Detailed_description 288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \date 308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 07/07/2003 318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \author NS 338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S */ 358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include <string.h> 378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_bitstrm.h" 388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_defs.h" 398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_debug.h" 408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_tables.h" 418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_structs.h" 428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_defs.h" 438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_parse_cavlc.h" 448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_mb_utils.h" 458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_parse_slice.h" 468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_process_intra_mb.h" 478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_mvpred.h" 488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_parse_islice.h" 498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_inter_pred.h" 508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_process_pslice.h" 518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_process_bslice.h" 528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_deblocking.h" 538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_cabac.h" 548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_parse_mb_header.h" 558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_error_handler.h" 568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_mvpred.h" 578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_cabac.h" 588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S#include "ih264d_utils.h" 598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha Svoid ih264d_init_cabac_contexts(UWORD8 u1_slice_type, dec_struct_t * ps_dec); 618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S/*! 638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \if Function name : ParseMb_SubMb_PredBCav\endif 658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \brief 678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * Implements sub_mb_pred() of 7.3.5.2. & mb_pred() of 7.3.5.1 688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \return 708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * None. 718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S */ 748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha SWORD32 ih264d_parse_bmb_non_direct_cavlc(dec_struct_t * ps_dec, 758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_mb_info_t * ps_cur_mb_info, 768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_num, 778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_num_mbsNby2) 788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S{ 798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_bit_stream_t * ps_bitstrm = ps_dec->ps_bitstrm; 808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer; 818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst; 828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 * pu1_sub_mb_pred_modes = (UWORD8 *)(gau1_ih264d_submb_pred_modes) + 4; 838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 (*pu1_mb_pred_modes)[32] = 848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (const UWORD8 (*)[32])gau1_ih264d_mb_pred_modes; 858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * pu1_num_mb_part = (const UWORD8 *)gau1_ih264d_num_mb_part; 868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * pu1_sub_mb_mc_mode = (const UWORD8 *)(gau1_ih264d_submb_mc_mode) 878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + 4; 888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S parse_pmbarams_t * ps_parse_mb_data = ps_dec->ps_parse_mb_data 908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + u1_num_mbsNby2; 918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 * pu1_col_info = ps_parse_mb_data->u1_col_info; 928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 (*pi1_ref_idx)[MAX_REFIDX_INFO_PER_MB] = ps_parse_mb_data->i1_ref_idx; 938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_type = ps_cur_mb_info->u1_mb_type; 948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_mc_mode, u1_num_mb_part, u1_sub_mb = !(u1_mb_type ^ B_8x8); 958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_mb_mc_mode = 0, u4_mb_pred_mode = 0; 968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 ret; 978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_sub_mb) 998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 1008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 uc_i; 1018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_mc_mode = 0; 1028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_mb_part = 4; 1038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Reading the subMB type */ 1048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(uc_i = 0; uc_i < 4; uc_i++) 1058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 1068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 ui_sub_mb_mode; 1088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S//Inlined ih264d_uev 1108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst; 1118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_word, u4_ldz; 1128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /***************************************************************/ 1148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Find leading zeros in next 32 bits */ 1158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /***************************************************************/ 1168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S NEXTBITS_32(u4_word, u4_bitstream_offset, pu4_bitstrm_buf); 1178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_ldz = CLZ(u4_word); 1188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Flush the ps_bitstrm */ 1198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_bitstream_offset += (u4_ldz + 1); 1208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read the suffix from the ps_bitstrm */ 1218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_word = 0; 1228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_ldz) 1238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S GETBITS(u4_word, u4_bitstream_offset, pu4_bitstrm_buf, 1248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_ldz); 1258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_bitstrm_ofst = u4_bitstream_offset; 1268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_sub_mb_mode = ((1 << u4_ldz) + u4_word - 1); 1278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S//Inlined ih264d_uev 1288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ui_sub_mb_mode > 12) 1308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_SUB_MB_TYPE; 1318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 1328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 1338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_subMbPredMode = pu1_sub_mb_pred_modes[ui_sub_mb_mode]; 1348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_mc_mode = (u4_mb_mc_mode << 8) 1358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S | pu1_sub_mb_mc_mode[ui_sub_mb_mode]; 1368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_pred_mode = (u4_mb_pred_mode << 8) | u1_subMbPredMode; 1378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_ref_idx[0][uc_i] = ((u1_subMbPredMode & PRED_L0) - 1) >> 1; 1388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_ref_idx[1][uc_i] = ((u1_subMbPredMode & PRED_L1) - 1) >> 1; 1398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("sub_mb_type", u1_subMbPredMode); 1408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 1418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Storing collocated Mb and SubMb mode information */ 1428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu1_col_info++ = ((PRED_8x8) << 6) 1438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S | ((pu1_sub_mb_mc_mode[ui_sub_mb_mode] << 4)); 1448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ui_sub_mb_mode != B_DIRECT_8x8) 1458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 1468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ui_sub_mb_mode > B_BI_8x8) 1478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 1488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->s_high_profile.u1_no_submb_part_size_lt8x8_flag = 0; 1498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 1508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 1518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else if(!ps_dec->s_high_profile.u1_direct_8x8_inference_flag) 1528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 1538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->s_high_profile.u1_no_submb_part_size_lt8x8_flag = 0; 1548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 1558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 1568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 1578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 1588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 1598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_pred_mode_idx = 5 + u1_mb_type; 1608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_pred_mode_part0 = pu1_mb_pred_modes[0][u1_mb_pred_mode_idx]; 1618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_pred_mode_part1 = pu1_mb_pred_modes[1][u1_mb_pred_mode_idx]; 1628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_mc_mode = ps_cur_mb_info->u1_mb_mc_mode; 1638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_mb_part = pu1_num_mb_part[u1_mb_mc_mode]; 1648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_ref_idx[0][0] = ((u1_mb_pred_mode_part0 & PRED_L0) - 1) >> 1; 1668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_ref_idx[1][0] = ((u1_mb_pred_mode_part0 & PRED_L1) - 1) >> 1; 1678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_ref_idx[0][1] = ((u1_mb_pred_mode_part1 & PRED_L0) - 1) >> 1; 1688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_ref_idx[1][1] = ((u1_mb_pred_mode_part1 & PRED_L1) - 1) >> 1; 1698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_pred_mode = (u1_mb_pred_mode_part0 << 8) | u1_mb_pred_mode_part1; 1718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_mc_mode = u1_mb_mc_mode | (u1_mb_mc_mode << 8); 1728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_mc_mode <<= 16; 1738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_pred_mode <<= 16; 1748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Storing collocated Mb and SubMb mode information */ 1768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu1_col_info++ = (u1_mb_mc_mode << 6); 1778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_mb_mc_mode) 1788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu1_col_info++ = (u1_mb_mc_mode << 6); 1798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 1808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 1828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; 1838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 uc_field = ps_cur_mb_info->u1_mb_field_decodingflag; 1848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 *pu1_num_ref_idx_lx_active = 1858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active; 1868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 u1_mbaff_field = (u1_mbaff & uc_field); 1878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u4_num_ref_idx_lx_active; 1888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_num_ref_idx_lx_active = (pu1_num_ref_idx_lx_active[0] 1908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S << u1_mbaff_field) - 1; 1918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_num_ref_idx_lx_active) 1938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 1948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(1 == u4_num_ref_idx_lx_active) 1958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_parse_bmb_ref_index_cavlc_range1( 1968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_mb_part, ps_bitstrm, pi1_ref_idx[0], 1978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_num_ref_idx_lx_active); 1988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 1998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 2008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_parse_bmb_ref_index_cavlc(u1_num_mb_part, ps_bitstrm, 2018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_ref_idx[0], 2028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_num_ref_idx_lx_active); 2038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 2048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 2058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 2068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 2078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 2088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_num_ref_idx_lx_active = (pu1_num_ref_idx_lx_active[1] 2098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S << u1_mbaff_field) - 1; 2108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 2118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_num_ref_idx_lx_active) 2128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 2138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(1 == u4_num_ref_idx_lx_active) 2148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_parse_bmb_ref_index_cavlc_range1( 2158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_mb_part, ps_bitstrm, pi1_ref_idx[1], 2168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_num_ref_idx_lx_active); 2178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 2188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 2198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_parse_bmb_ref_index_cavlc(u1_num_mb_part, ps_bitstrm, 2208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_ref_idx[1], 2218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_num_ref_idx_lx_active); 2228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 2238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 2248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 2258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 2268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 2278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 2288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read MotionVectors */ 2298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 2308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * pu1_top_left_sub_mb_indx; 2318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 2328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * pu1_sub_mb_indx_mod = 2338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (const UWORD8 *)(gau1_ih264d_submb_indx_mod) 2348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + (u1_sub_mb * 6); 2358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * pu1_sub_mb_partw = (const UWORD8 *)gau1_ih264d_submb_partw; 2368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * pu1_sub_mb_parth = (const UWORD8 *)gau1_ih264d_submb_parth; 2378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * pu1_num_sub_mb_part = 2388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (const UWORD8 *)gau1_ih264d_num_submb_part; 2398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * pu1_mb_partw = (const UWORD8 *)gau1_ih264d_mb_partw; 2408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * pu1_mb_parth = (const UWORD8 *)gau1_ih264d_mb_parth; 2418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_p_idx = 0, u1_num_submb_part, uc_lx; 2428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S parse_part_params_t * ps_part; 2438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S mv_pred_t *ps_mv_start = ps_dec->ps_mv_cur + (u1_mb_num << 4); 2448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_part_wd, u1_mb_part_ht; 2458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 2468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Initialisations */ 2478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part = ps_dec->ps_part; 2488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Default Initialization for Non subMb Case Mode */ 2498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_part_wd = pu1_mb_partw[u1_mb_mc_mode]; 2508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_part_ht = pu1_mb_parth[u1_mb_mc_mode]; 2518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_submb_part = 1; 2528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 2538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Decoding the MV for the subMB */ 2548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(uc_lx = 0; uc_lx < 2; uc_lx++) 2558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 2568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_sub_mb_num = 0, u1_pred_mode, uc_i; 2578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_mb_mc_mode_tmp = u4_mb_mc_mode; 2588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_mb_pred_mode_tmp = u4_mb_pred_mode; 2598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD16 u2_sub_mb_num = 0x028A; // for sub mb case 2608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_b2 = uc_lx << 1; 2618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_pred_mode = (uc_lx) ? PRED_L1 : PRED_L0; 2628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu1_top_left_sub_mb_indx = pu1_sub_mb_indx_mod + (u1_mb_mc_mode << 1); 2638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 2648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(uc_i = 0; uc_i < u1_num_mb_part; uc_i++) 2658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 2668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_mc_mode, uc_j; 2678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 i1_pred = u4_mb_pred_mode_tmp >> 24; 2688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_mc_mode = u4_mb_mc_mode_tmp >> 24; 2698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_pred_mode_tmp <<= 8; 2708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_mc_mode_tmp <<= 8; 2718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* subMb prediction mode */ 2728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_sub_mb) 2738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 2748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 2758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_part_wd = pu1_sub_mb_partw[u1_mb_mc_mode]; 2768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_part_ht = pu1_sub_mb_parth[u1_mb_mc_mode]; 2778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_sub_mb_num = u2_sub_mb_num >> 12; 2788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_submb_part = pu1_num_sub_mb_part[u1_mb_mc_mode]; 2798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu1_top_left_sub_mb_indx = pu1_sub_mb_indx_mod 2808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + (u1_mb_mc_mode << 1); 2818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u2_sub_mb_num <<= 4; 2828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 2838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(uc_j = 0; uc_j < u1_num_submb_part; 2848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S uc_j++, pu1_top_left_sub_mb_indx++) 2858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 2868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S mv_pred_t * ps_mv; 2878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_sub_mb_num = u1_sub_mb_num + *pu1_top_left_sub_mb_indx; 2888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mv = ps_mv_start + u1_sub_mb_num; 2898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 2908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Storing Info for partitions, writing only once */ 2918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(uc_lx) 2928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 2938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part->u1_is_direct = (!i1_pred); 2948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part->u1_pred_mode = i1_pred; 2958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part->u1_sub_mb_num = u1_sub_mb_num; 2968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part->u1_partheight = u1_mb_part_ht; 2978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part->u1_partwidth = u1_mb_part_wd; 2988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Increment partition Index */ 2998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_p_idx++; 3008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part++; 3018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 3028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(i1_pred & u1_pred_mode) 3048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 3058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD16 i2_mvx, i2_mvy; 3068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S//inlining ih264d_sev 3088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 3098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst; 3108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_word, u4_ldz, u4_abs_val; 3118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /***************************************************************/ 3138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Find leading zeros in next 32 bits */ 3148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /***************************************************************/ 3158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S NEXTBITS_32(u4_word, u4_bitstream_offset, 3168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_bitstrm_buf); 3178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_ldz = CLZ(u4_word); 3188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Flush the ps_bitstrm */ 3208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_bitstream_offset += (u4_ldz + 1); 3218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read the suffix from the ps_bitstrm */ 3238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_word = 0; 3248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_ldz) 3258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S GETBITS(u4_word, u4_bitstream_offset, 3268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_bitstrm_buf, u4_ldz); 3278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_bitstrm_ofst = u4_bitstream_offset; 3298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_abs_val = ((1 << u4_ldz) + u4_word) >> 1; 3308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_word & 0x1) 3328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_mvx = (-(WORD32)u4_abs_val); 3338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 3348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_mvx = (u4_abs_val); 3358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 3368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S//inlinined ih264d_sev 3378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S//inlining ih264d_sev 3398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 3408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst; 3418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_word, u4_ldz, u4_abs_val; 3428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /***************************************************************/ 3448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Find leading zeros in next 32 bits */ 3458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /***************************************************************/ 3468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S NEXTBITS_32(u4_word, u4_bitstream_offset, 3478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_bitstrm_buf); 3488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_ldz = CLZ(u4_word); 3498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Flush the ps_bitstrm */ 3518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_bitstream_offset += (u4_ldz + 1); 3528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read the suffix from the ps_bitstrm */ 3548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_word = 0; 3558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_ldz) 3568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S GETBITS(u4_word, u4_bitstream_offset, 3578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_bitstrm_buf, u4_ldz); 3588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_bitstrm_ofst = u4_bitstream_offset; 3608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_abs_val = ((1 << u4_ldz) + u4_word) >> 1; 3618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_word & 0x1) 3638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_mvy = (-(WORD32)u4_abs_val); 3648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 3658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_mvy = (u4_abs_val); 3668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 3678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S//inlinined ih264d_sev 3688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Storing Mv residuals */ 3708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mv->i2_mv[u1_b2] = i2_mvx; 3718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mv->i2_mv[u1_b2 + 1] = i2_mvy; 3728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 3738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 3748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 3758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 3768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* write back to the scratch partition info */ 3778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_part = ps_part; 3788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_parse_mb_data->u1_num_part = u1_sub_mb ? u1_p_idx : u1_num_mb_part; 3798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 3818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return OK; 3828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S} 3838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S/*! 3858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 3868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \if Function name : ParseMb_SubMb_PredBCab\endif 3878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 3888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \brief 3898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * Implements sub_mb_pred() of 7.3.5.2. & mb_pred() of 7.3.5.1 3908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 3918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \return 3928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * None. 3938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 3948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 3958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S */ 3968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 3978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha SWORD32 ih264d_parse_bmb_non_direct_cabac(dec_struct_t * ps_dec, 3988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_mb_info_t * ps_cur_mb_info, 3998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_num, 4008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_num_mbsNby2) 4018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S{ 4028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Loads from ps_dec */ 4038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S decoding_envirnoment_t * ps_cab_env = &ps_dec->s_cab_dec_env; 4048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_bit_stream_t * ps_bitstrm = ps_dec->ps_bitstrm; 4058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ctxt_inc_mb_info_t *p_curr_ctxt = ps_dec->ps_curr_ctxt_mb_info; 4068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S parse_pmbarams_t * ps_parse_mb_data = ps_dec->ps_parse_mb_data 4078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + u1_num_mbsNby2; 4088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 4098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* table pointer loads */ 4108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * pu1_sub_mb_pred_modes = (UWORD8 *)(gau1_ih264d_submb_pred_modes) 4118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + 4; 4128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 (*pu1_mb_pred_modes)[32] = 4138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (const UWORD8 (*)[32])gau1_ih264d_mb_pred_modes; 4148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *pu1_num_mb_part = (const UWORD8 *)gau1_ih264d_num_mb_part; 4158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *pu1_sub_mb_mc_mode = (UWORD8 *)(gau1_ih264d_submb_mc_mode) + 4; 4168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 4178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 u1_mb_type = ps_cur_mb_info->u1_mb_type; 4188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 * pu1_col_info = ps_parse_mb_data->u1_col_info; 4198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 *pi1_ref_idx_l0 = &ps_parse_mb_data->i1_ref_idx[0][0]; 4208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 *pi1_ref_idx_l1 = &ps_parse_mb_data->i1_ref_idx[1][0]; 4218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_dec_ref_l0, u1_dec_ref_l1; 4228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 4238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_num_mb_part, u1_mb_mc_mode, u1_sub_mb, u1_mbpred_mode = 5 4248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + u1_mb_type; 4258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_mb_mc_mode = 0, u4_mb_pred_mode = 0; 4268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 ret; 4278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 4288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S p_curr_ctxt->u1_mb_type = CAB_NON_BD16x16; 4298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_sub_mb = !(u1_mb_type ^ B_8x8); 4308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 4318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 4328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; 4338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 *pu1_num_ref_idx_lx_active = 4348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active; 4358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 uc_field = ps_cur_mb_info->u1_mb_field_decodingflag; 4368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mbaff_field = (u1_mbaff & uc_field); 4378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_dec_ref_l0 = (pu1_num_ref_idx_lx_active[0] << u1_mbaff_field) - 1; 4388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_dec_ref_l1 = (pu1_num_ref_idx_lx_active[1] << u1_mbaff_field) - 1; 4398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 4408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 4418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_sub_mb) 4428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 4438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 u1_colz = ((PRED_8x8) << 6); 4448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 uc_i; 4458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_mc_mode = 0; 4468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_mb_part = 4; 4478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Reading the subMB type */ 4488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(uc_i = 0; uc_i < 4; uc_i++) 4498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 4508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_sub_mb_mode, u1_subMbPredModes; 4518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_sub_mb_mode = ih264d_parse_submb_type_cabac( 4528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1, ps_cab_env, ps_bitstrm, 4538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->p_sub_mb_type_t); 4548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 4558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_sub_mb_mode > 12) 4568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_SUB_MB_TYPE; 4578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 4588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_subMbPredModes = pu1_sub_mb_pred_modes[u1_sub_mb_mode]; 4598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_mc_mode = (u4_mb_mc_mode << 8) | pu1_sub_mb_mc_mode[u1_sub_mb_mode]; 4608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_pred_mode = (u4_mb_pred_mode << 8) | u1_subMbPredModes; 4618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pi1_ref_idx_l0++ = 4628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (u1_subMbPredModes & PRED_L0) ? u1_dec_ref_l0 : -1; 4638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pi1_ref_idx_l1++ = 4648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (u1_subMbPredModes & PRED_L1) ? u1_dec_ref_l1 : -1; 4658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("sub_mb_type", u1_sub_mb_mode); 4668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Storing collocated Mb and SubMb mode information */ 4678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu1_col_info++ = 4688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (u1_colz | (pu1_sub_mb_mc_mode[u1_sub_mb_mode] << 4)); 4698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_sub_mb_mode != B_DIRECT_8x8) 4708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 4718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_sub_mb_mode > B_BI_8x8) 4728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 4738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->s_high_profile.u1_no_submb_part_size_lt8x8_flag = 0; 4748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 4758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 4768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else if(!ps_dec->s_high_profile.u1_direct_8x8_inference_flag) 4778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 4788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->s_high_profile.u1_no_submb_part_size_lt8x8_flag = 0; 4798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 4808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 4818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_ref_idx_l0 -= 4; 4828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_ref_idx_l1 -= 4; 4838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 4848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 4858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 4868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_pred_mode_part0 = pu1_mb_pred_modes[0][u1_mbpred_mode]; 4878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_pred_mode_part1 = pu1_mb_pred_modes[1][u1_mbpred_mode]; 4888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_mc_mode = ps_cur_mb_info->u1_mb_mc_mode; 4898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_mb_part = pu1_num_mb_part[u1_mb_mc_mode]; 4908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Storing collocated Mb and SubMb mode information */ 4918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu1_col_info++ = (u1_mb_mc_mode << 6); 4928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_mb_mc_mode) 4938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu1_col_info++ = (u1_mb_mc_mode << 6); 4948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_mc_mode = u1_mb_mc_mode | (u1_mb_mc_mode << 8); 4958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_mc_mode <<= 16; 4968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_pred_mode = ((u1_mb_pred_mode_part0 << 8) | u1_mb_pred_mode_part1) << 16; 4978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 4988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pi1_ref_idx_l0++ = (u1_mb_pred_mode_part0 & PRED_L0) ? u1_dec_ref_l0 : -1; 4998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pi1_ref_idx_l0-- = (u1_mb_pred_mode_part1 & PRED_L0) ? u1_dec_ref_l0 : -1; 5008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pi1_ref_idx_l1++ = (u1_mb_pred_mode_part0 & PRED_L1) ? u1_dec_ref_l1 : -1; 5018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pi1_ref_idx_l1-- = (u1_mb_pred_mode_part1 & PRED_L1) ? u1_dec_ref_l1 : -1; 5028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 5038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 5048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 *pi1_lft_cxt = ps_dec->pi1_left_ref_idx_ctxt_inc; 5058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 *pi1_top_cxt = p_curr_ctxt->i1_ref_idx; 5068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_parse_ref_idx_cabac(u1_num_mb_part, 0, u1_dec_ref_l0, 5088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_mc_mode, pi1_ref_idx_l0, pi1_lft_cxt, 5098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_top_cxt, ps_cab_env, ps_bitstrm, 5108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->p_ref_idx_t); 5118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 5128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 5138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_parse_ref_idx_cabac(u1_num_mb_part, 2, u1_dec_ref_l1, 5158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_mc_mode, pi1_ref_idx_l1, pi1_lft_cxt, 5168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_top_cxt, ps_cab_env, ps_bitstrm, 5178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->p_ref_idx_t); 5188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 5198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 5208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 5218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read MotionVectors */ 5228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 5238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *pu1_top_left_sub_mb_indx; 5248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 uc_j, uc_lx; 5258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_part_wd, u1_mb_part_ht; 5268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *pu1_sub_mb_indx_mod = 5288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (const UWORD8 *)gau1_ih264d_submb_indx_mod 5298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + (u1_sub_mb * 6); 5308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *pu1_sub_mb_partw = (const UWORD8 *)gau1_ih264d_submb_partw; 5318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *pu1_sub_mb_parth = (const UWORD8 *)gau1_ih264d_submb_parth; 5328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *pu1_num_sub_mb_part = 5338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (const UWORD8 *)gau1_ih264d_num_submb_part; 5348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *pu1_mb_partw = (const UWORD8 *)gau1_ih264d_mb_partw; 5358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *pu1_mb_parth = (const UWORD8 *)gau1_ih264d_mb_parth; 5368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_p_idx = 0; 5388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_num_submb_part; 5398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S parse_part_params_t *ps_part; 5408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Initialisations */ 5418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S mv_pred_t *ps_mv_start = ps_dec->ps_mv_cur + (u1_mb_num << 4); 5428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part = ps_dec->ps_part; 5438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Default initialization for non subMb case */ 5458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_part_wd = pu1_mb_partw[u1_mb_mc_mode]; 5468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_part_ht = pu1_mb_parth[u1_mb_mc_mode]; 5478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_submb_part = 1; 5488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Decoding the MV for the subMB */ 5508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(uc_lx = 0; uc_lx < 2; uc_lx++) 5518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 5528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_sub_mb_num = 0; 5538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_mb_pred_mode_tmp = u4_mb_pred_mode; 5548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_mb_mc_mode_tmp = u4_mb_mc_mode; 5558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_mc_mode_1, u1_pred_mode, uc_i; 5568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD16 u2_sub_mb_num = 0x028A; 5578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_b2 = uc_lx << 1; 5588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_pred_mode = (uc_lx) ? PRED_L1 : PRED_L0; 5598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Default for Cabac */ 5608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu1_top_left_sub_mb_indx = pu1_sub_mb_indx_mod + (u1_mb_mc_mode << 1); 5618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(uc_i = 0; uc_i < u1_num_mb_part; uc_i++) 5628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 5638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 i1_pred = (UWORD8)(u4_mb_pred_mode_tmp >> 24); 5658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_mc_mode_1 = (UWORD8)(u4_mb_mc_mode_tmp >> 24); 5668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_pred_mode_tmp <<= 8; 5678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_mb_mc_mode_tmp <<= 8; 5688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* subMb prediction mode */ 5708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_sub_mb) 5718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 5728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_part_wd = pu1_sub_mb_partw[u1_mb_mc_mode_1]; 5738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_part_ht = pu1_sub_mb_parth[u1_mb_mc_mode_1]; 5748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_sub_mb_num = u2_sub_mb_num >> 12; 5758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu1_top_left_sub_mb_indx = pu1_sub_mb_indx_mod + (u1_mb_mc_mode_1 << 1); 5768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_submb_part = pu1_num_sub_mb_part[u1_mb_mc_mode_1]; 5778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u2_sub_mb_num = u2_sub_mb_num << 4; 5788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 5798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(uc_j = 0; uc_j < u1_num_submb_part; 5818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S uc_j++, pu1_top_left_sub_mb_indx++) 5828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 5838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S mv_pred_t *ps_mv; 5848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_sub_mb_num = u1_sub_mb_num + *pu1_top_left_sub_mb_indx; 5858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mv = ps_mv_start + u1_sub_mb_num; 5868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Storing Info for partitions, writing only once */ 5888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(uc_lx) 5898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 5908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part->u1_is_direct = (!i1_pred); 5918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part->u1_pred_mode = i1_pred; 5928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part->u1_sub_mb_num = u1_sub_mb_num; 5938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part->u1_partheight = u1_mb_part_ht; 5948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part->u1_partwidth = u1_mb_part_wd; 5958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 5968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Increment partition Index */ 5978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_p_idx++; 5988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part++; 5998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 6008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_get_mvd_cabac(u1_sub_mb_num, u1_b2, u1_mb_part_wd, 6028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_mb_part_ht, 6038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (UWORD8)(i1_pred & u1_pred_mode), ps_dec, 6048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mv); 6058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 6068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 6078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 6088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* write back to the scratch partition info */ 6098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_part = ps_part; 6118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_parse_mb_data->u1_num_part = u1_sub_mb ? u1_p_idx : u1_num_mb_part; 6128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 6148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return OK; 6168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S} 6178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S/*! 6198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 6208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \if Function name : ih264d_parse_bmb_cabac \endif 6218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 6228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \brief 6238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * This function parses CABAC syntax of a B MB. 6248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 6258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \return 6268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 0 on Success and Error code otherwise 6278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 6288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S */ 6298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha SWORD32 ih264d_parse_bmb_cabac(dec_struct_t * ps_dec, 6308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_mb_info_t * ps_cur_mb_info, 6318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_num, 6328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_num_mbsNby2) 6338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S{ 6348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_cbp; 6358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S deblk_mb_t * ps_cur_deblk_mb = ps_dec->ps_deblk_mbn + u1_mb_num; 6368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *puc_mb_mc_mode = (const UWORD8 *)gau1_ih264d_mb_mc_mode; 6378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_type = ps_cur_mb_info->u1_mb_type; 6388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ctxt_inc_mb_info_t *p_curr_ctxt = ps_dec->ps_curr_ctxt_mb_info; 6398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 ret; 6418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_Bdirect_tranform_read = 1; 6428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->s_high_profile.u1_no_submb_part_size_lt8x8_flag = 1; 6438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_mb_mc_mode = puc_mb_mc_mode[5 + u1_mb_type]; 6458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_yuv_dc_block_flag = 0; 6478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_deblk_mb->u1_mb_type |= D_B_SLICE; 6498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_mb_type != B_DIRECT) 6508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 6518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_parse_bmb_non_direct_cabac(ps_dec, ps_cur_mb_info, u1_mb_num, 6528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_mbsNby2); 6538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 6548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 6558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 6568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 6578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 6588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /************ STORING PARTITION INFO ***********/ 6608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S parse_part_params_t * ps_part_info; 6618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part_info = ps_dec->ps_part; 6628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part_info->u1_is_direct = PART_DIRECT_16x16; 6638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part_info->u1_sub_mb_num = 0; 6648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_part++; 6658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S p_curr_ctxt->u1_mb_type = CAB_BD16x16; 6668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S MEMSET_16BYTES(&ps_dec->pu1_left_mv_ctxt_inc[0][0], 0); 6688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S memset(ps_dec->pi1_left_ref_idx_ctxt_inc, 0, 4); 6698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S MEMSET_16BYTES(p_curr_ctxt->u1_mv, 0); 6708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S memset(p_curr_ctxt->i1_ref_idx, 0, 4); 6718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* check whether transform8x8 u4_flag to be read or not */ 6738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_Bdirect_tranform_read = 6748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->s_high_profile.u1_direct_8x8_inference_flag; 6758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 6768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read the Coded block pattern */ 6788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_cbp = (WORD8)ih264d_parse_ctx_cbp_cabac(ps_dec); 6798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S p_curr_ctxt->u1_cbp = u1_cbp; 6808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_cbp = u1_cbp; 6818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_cbp > 47) 6838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_CBP; 6848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("coded_block_pattern", u1_cbp); 6868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_tran_form8x8 = 0; 6888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->ps_curmb->u1_tran_form8x8 = 0; 6898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if((ps_dec->s_high_profile.u1_transform8x8_present) && (u1_cbp & (0xf)) 6918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S && (ps_dec->s_high_profile.u1_no_submb_part_size_lt8x8_flag) 6928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S && (u1_Bdirect_tranform_read)) 6938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 6948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_tran_form8x8 = ih264d_parse_transform8x8flag_cabac( 6958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec, ps_cur_mb_info); 6968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("transform_size_8x8_flag", ps_cur_mb_info->u1_tran_form8x8); 6978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 6988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->ps_curmb->u1_tran_form8x8 = ps_cur_mb_info->u1_tran_form8x8; 6998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S p_curr_ctxt->u1_transform8x8_ctxt = ps_cur_mb_info->u1_tran_form8x8; 7008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 7018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 7028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 7038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S p_curr_ctxt->u1_transform8x8_ctxt = 0; 7048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 7058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 7068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S p_curr_ctxt->u1_intra_chroma_pred_mode = 0; 7078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S p_curr_ctxt->u1_yuv_dc_csbp &= 0xFE; 7088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pu1_left_yuv_dc_csbp[0] &= 0x6; 7098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 7108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read mb_qp_delta */ 7118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_cbp) 7128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 7138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 c_temp; 7148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_parse_mb_qp_delta_cabac(ps_dec, &c_temp); 7158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 7168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 7178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("mb_qp_delta", c_temp); 7188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(c_temp) 7198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 7208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_update_qp(ps_dec, c_temp); 7218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 7228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 7238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 7248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 7258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 7268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->i1_prev_mb_qp_delta = 0; 7278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 7288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_parse_residual4x4_cabac(ps_dec, ps_cur_mb_info, 0); 7298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(EXCEED_OFFSET(ps_dec->ps_bitstrm)) 7308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_EOB_TERMINATE_T; 7318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return OK; 7328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S} 7338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S/*! 7348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 7358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \if Function name : ih264d_parse_bmb_cavlc \endif 7368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 7378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \brief 7388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * This function parses CAVLC syntax of a B MB. 7398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 7408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \return 7418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 0 on Success and Error code otherwise 7428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 7438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S */ 7448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha SWORD32 ih264d_parse_bmb_cavlc(dec_struct_t * ps_dec, 7458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_mb_info_t * ps_cur_mb_info, 7468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_num, 7478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_num_mbsNby2) 7488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S{ 7498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_cbp; 7508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S deblk_mb_t * ps_cur_deblk_mb = ps_dec->ps_deblk_mbn + u1_mb_num; 7518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_bit_stream_t * const ps_bitstrm = ps_dec->ps_bitstrm; 7528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 * pu4_bitstrm_buf = ps_bitstrm->pu4_buffer; 7538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst; 7548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 *puc_mb_mc_mode = (const UWORD8 *)gau1_ih264d_mb_mc_mode; 7558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_type = ps_cur_mb_info->u1_mb_type; 7568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 7578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 ret; 7588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_Bdirect_tranform_read = 1; 7598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->s_high_profile.u1_no_submb_part_size_lt8x8_flag = 1; 7608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_tran_form8x8 = 0; 7618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->ps_curmb->u1_tran_form8x8 = 0; 7628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 7638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_yuv_dc_block_flag = 0; 7648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 7658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_mb_mc_mode = puc_mb_mc_mode[5 + u1_mb_type]; 7668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 7678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_deblk_mb->u1_mb_type |= D_B_SLICE; 7688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_mb_type != B_DIRECT) 7698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 7708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_parse_bmb_non_direct_cavlc(ps_dec, ps_cur_mb_info, u1_mb_num, 7718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_mbsNby2); 7728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 7738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 7748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 7758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 7768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 7778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /************ STORING PARTITION INFO ***********/ 7788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S parse_part_params_t * ps_part_info; 7798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part_info = ps_dec->ps_part; 7808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part_info->u1_is_direct = PART_DIRECT_16x16; 7818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part_info->u1_sub_mb_num = 0; 7828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_part++; 7838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* check whether transform8x8 u4_flag to be read or not */ 7848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_Bdirect_tranform_read = 7858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->s_high_profile.u1_direct_8x8_inference_flag; 7868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 7878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 7888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read the Coded block pattern */ 7898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 7908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 * puc_CbpInter = gau1_ih264d_cbp_inter; 7918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S//Inlined ih264d_uev 7928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst; 7938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_word, u4_ldz; 7948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 7958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /***************************************************************/ 7968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Find leading zeros in next 32 bits */ 7978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /***************************************************************/ 7988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S NEXTBITS_32(u4_word, u4_bitstream_offset, pu4_bitstrm_buf); 7998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_ldz = CLZ(u4_word); 8008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Flush the ps_bitstrm */ 8018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_bitstream_offset += (u4_ldz + 1); 8028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read the suffix from the ps_bitstrm */ 8038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_word = 0; 8048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_ldz) 8058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S GETBITS(u4_word, u4_bitstream_offset, pu4_bitstrm_buf, u4_ldz); 8068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_bitstrm_ofst = u4_bitstream_offset; 8078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_cbp = ((1 << u4_ldz) + u4_word - 1); 8088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S//Inlined ih264d_uev 8098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_cbp > 47) 8108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_CBP; 8118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_cbp = puc_CbpInter[u4_cbp]; 8128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if((ps_dec->s_high_profile.u1_transform8x8_present) && (u4_cbp & (0xf)) 8148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S && (ps_dec->s_high_profile.u1_no_submb_part_size_lt8x8_flag) 8158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S && (u1_Bdirect_tranform_read)) 8168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 8178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_tran_form8x8 = ih264d_get_bit_h264(ps_bitstrm); 8188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("transform_size_8x8_flag", ps_cur_mb_info->u1_tran_form8x8); 8198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->ps_curmb->u1_tran_form8x8 = ps_cur_mb_info->u1_tran_form8x8; 8208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 8218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 8238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("coded_block_pattern", u4_cbp); 8258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_cbp = u4_cbp; 8268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read mb_qp_delta */ 8288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_cbp) 8298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 8308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 i_temp; 8318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S//inlining ih264d_sev 8328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_bitstream_offset = *pu4_bitstrm_ofst; 8348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_word, u4_ldz, u4_abs_val; 8358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /***************************************************************/ 8378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Find leading zeros in next 32 bits */ 8388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /***************************************************************/ 8398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S NEXTBITS_32(u4_word, u4_bitstream_offset, pu4_bitstrm_buf); 8408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_ldz = CLZ(u4_word); 8418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Flush the ps_bitstrm */ 8438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_bitstream_offset += (u4_ldz + 1); 8448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read the suffix from the ps_bitstrm */ 8468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_word = 0; 8478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_ldz) 8488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S GETBITS(u4_word, u4_bitstream_offset, pu4_bitstrm_buf, u4_ldz); 8498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_bitstrm_ofst = u4_bitstream_offset; 8518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_abs_val = ((1 << u4_ldz) + u4_word) >> 1; 8528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_word & 0x1) 8548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i_temp = (-(WORD32)u4_abs_val); 8558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 8568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i_temp = (u4_abs_val); 8578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(i_temp < -26 || i_temp > 25) 8598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_INV_RANGE_QP_T; 8608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S//inlinined ih264d_sev 8618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("mb_qp_delta", i_temp); 8628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(i_temp) 8638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 8648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_update_qp(ps_dec, (WORD8)i_temp); 8658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 8668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 8678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 8688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_parse_residual4x4_cavlc(ps_dec, ps_cur_mb_info, 0); 8708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 8718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 8728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(EXCEED_OFFSET(ps_bitstrm)) 8738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_EOB_TERMINATE_T; 8748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 8758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 8768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 8778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->i1_prev_mb_qp_delta = 0; 8788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_update_nnz_for_skipmb(ps_dec, ps_cur_mb_info, CAVLC); 8798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 8808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return OK; 8828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S} 8838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha SWORD32 ih264d_mv_pred_ref_tfr_nby2_bmb(dec_struct_t * ps_dec, 8858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_mb_idx, 8868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_num_mbs) 8878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S{ 8888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S parse_pmbarams_t * ps_mb_part_info; 8898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S parse_part_params_t * ps_part; 8908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S mv_pred_t *ps_mv_nmb, *ps_mv_nmb_start, *ps_mv_ntop, *ps_mv_ntop_start; 8918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pic_buffer_t * ps_ref_frame; 8928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_direct_mode_width; 8938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 i, j; 8948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_mb_info_t * ps_cur_mb_info; 8958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S const UWORD8 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; 8968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_field; 8978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 ret = 0; 8988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 8998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->i4_submb_ofst -= (u1_num_mbs - u1_mb_idx) << 4; 9008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mb_part_info = ps_dec->ps_parse_mb_data; 9018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_part = ps_dec->ps_parse_part_params; 9028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* N/2 Mb MvPred and Transfer Setup Loop */ 9048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(i = u1_mb_idx; i < u1_num_mbs; i++, ps_mb_part_info++) 9058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 9068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_colz = 0; 9078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->i4_submb_ofst += SUB_BLK_SIZE; 9088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Restore the slice scratch MbX and MbY context */ 9098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info = ps_dec->ps_nmb_info + i; 9108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u2_wait_id = i; 9118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_field = ps_cur_mb_info->u1_mb_field_decodingflag; 9138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mv_nmb_start = ps_dec->ps_mv_cur + (i << 4); 9158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u2_mbx = ps_cur_mb_info->u2_mbx; 9168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u2_mby = ps_cur_mb_info->u2_mby; 9178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u1_currB_type = 0; 9188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u2_mv_2mb[i & 0x1] = 0; 9198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Look for MV Prediction and Reference Transfer in Non-I Mbs */ 9218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(!ps_mb_part_info->u1_isI_mb) 9228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 9238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_blk_no; 9248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD16 i1_ref_idx, i1_ref_idx1; 9258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_pred_mode; 9268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_sub_mb_x, u1_sub_mb_y, u1_sub_mb_num; 9278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_lx, u1_lx_start, u1_lxend, u1_tmp_lx; 9288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_num_part, u1_num_ref, u1_wd, u1_ht; 9298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 *pu4_wt_offst; 9308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_scale_ref, u4_bot_mb; 9318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S deblk_mb_t * ps_cur_deblk_mb = ps_dec->ps_deblk_mbn + i; 9328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 (*pi1_ref_idx)[MAX_REFIDX_INFO_PER_MB] = 9338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mb_part_info->i1_ref_idx; 9348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 *pi1_ref_idx0 = pi1_ref_idx[0], 9358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pi1_ref_idx1 = pi1_ref_idx[1]; 9368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 **ppu4_wt_ofst = ps_mb_part_info->pu4_wt_offst; 9378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* MB Level initialisations */ 9398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u4_num_pmbair = i >> u1_mbaff; 9408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u1_mb_idx_mv = i; 9418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* CHANGED CODE */ 9438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mv_ntop_start = ps_mv_nmb_start 9448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S - (ps_dec->u2_frm_wd_in_mbs << (4 + u1_mbaff)) + 12; 9458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_part = ps_mb_part_info->u1_num_part; 9478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_deblk_mb->u1_mb_type |= (u1_num_part > 1) << 1; 9488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_direct_mode_width = (1 == ps_mb_part_info->u1_num_part) ? 16 : 8; 9498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u4_pred_info_pkd_idx = ps_dec->u4_pred_info_pkd_idx; 9528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_num_pred_parts = 0; 9538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /****************************************************/ 9558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* weighted u4_ofst pointer calculations, this loop */ 9568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* runs maximum 4 times, even in direct cases */ 9578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /****************************************************/ 9588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_scale_ref = u1_mbaff & ps_cur_mb_info->u1_mb_field_decodingflag; 9598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_bot_mb = 1 - ps_cur_mb_info->u1_topmb; 9608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_dec->ps_cur_pps->u1_wted_bipred_idc) 9618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 9628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_num_ref = MIN(u1_num_part, 4); 9638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(PART_DIRECT_16x16 != ps_part->u1_is_direct) 9648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 9658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(u1_blk_no = 0; u1_blk_no < u1_num_ref; u1_blk_no++) 9668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 9678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx = MAX(pi1_ref_idx0[u1_blk_no], 0); 9688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_scale_ref) 9698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx >>= 1; 9708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx *= 9718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1]; 9728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_scale_ref) 9738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx += 9748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (MAX(pi1_ref_idx1[u1_blk_no], 0) 9758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S >> 1); 9768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 9778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx += MAX(pi1_ref_idx1[u1_blk_no], 0); 9788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_wt_offst = (UWORD32*)&ps_dec->pu4_wt_ofsts[2 9798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * X3(i1_ref_idx)]; 9808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(pi1_ref_idx0[u1_blk_no] < 0) 9828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_wt_offst += 1; 9838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 9848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppu4_wt_ofst[u1_blk_no] = pu4_wt_offst; 9858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_scale_ref 9868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S && (ps_dec->ps_cur_pps->u1_wted_bipred_idc 9878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S == 2)) 9888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 9898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx = MAX(pi1_ref_idx0[u1_blk_no], 0); 9908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx *= 9918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1] 9928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S << 1); 9938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx += MAX(pi1_ref_idx1[u1_blk_no], 0); 9948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_bot_mb) 9958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 9968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx += 9978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0] 9988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S << 1) 9998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * (ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1] 10008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S << 1); 10018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 10028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_wt_offst = (UWORD32*)&ps_dec->pu4_mbaff_wt_mat[2 10038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * X3(i1_ref_idx)]; 10048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppu4_wt_ofst[u1_blk_no] = pu4_wt_offst; 10058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 10068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 10078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 10088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 10098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /**************************************************/ 10118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Loop on Partitions */ 10128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* direct mode is reflected as a single partition */ 10138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /**************************************************/ 10148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(j = 0; j < u1_num_part; j++, ps_part++) 10158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 10168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_sub_mb_num = ps_part->u1_sub_mb_num; 10178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u1_sub_mb_num = u1_sub_mb_num; 10188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(PART_NOT_DIRECT != ps_part->u1_is_direct) 10208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 10218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /**************************************************/ 10228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Direct Mode, Call DecodeSpatial/TemporalDirect */ 10238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* only (those will in turn call FormMbPartInfo) */ 10248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /**************************************************/ 10258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ps_dec->ps_cur_slice->pf_decodeDirect(ps_dec, 10268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_direct_mode_width, 10278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info, i); 10288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 10298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 10308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_deblk_mb->u1_mb_type |= (ps_dec->u1_currB_type << 1); 10318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 10338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 10348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 10358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S mv_pred_t s_mvPred; 10368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /**************************************************/ 10378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Non Direct Mode, Call Motion Vector Predictor */ 10388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* and FormMbpartInfo */ 10398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /**************************************************/ 10408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_sub_mb_x = u1_sub_mb_num & 0x03; 10418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_sub_mb_y = u1_sub_mb_num >> 2; 10428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_blk_no = 10438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (u1_num_part < 4) ? 10448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S j : 10458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (((u1_sub_mb_y >> 1) << 1) 10468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + (u1_sub_mb_x 10478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S >> 1)); 10488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mv_ntop = ps_mv_ntop_start + u1_sub_mb_x; 10508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_mv_nmb = ps_mv_nmb_start + u1_sub_mb_num; 10518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_pred_mode = ps_part->u1_pred_mode; 10538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_wd = ps_part->u1_partwidth; 10548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_ht = ps_part->u1_partheight; 10558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_lx_start = 0; 10578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_lxend = 2; 10588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if( PRED_L0 == u1_pred_mode) 10598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 10608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S s_mvPred.i2_mv[2] = 0; 10618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S s_mvPred.i2_mv[3] = 0; 10628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_lxend = 1; 10638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 10648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if( PRED_L1 == u1_pred_mode) 10658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 10668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S s_mvPred.i2_mv[0] = 0; 10678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S s_mvPred.i2_mv[1] = 0; 10688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_lx_start = 1; 10698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 10708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Populate the colpic info and reference frames */ 10728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S s_mvPred.i1_ref_frame[0] = pi1_ref_idx0[u1_blk_no]; 10738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S s_mvPred.i1_ref_frame[1] = pi1_ref_idx1[u1_blk_no]; 10748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_mvpred(ps_dec, ps_cur_mb_info, ps_mv_nmb, ps_mv_ntop, 10768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S &s_mvPred, u1_sub_mb_num, u1_wd, 10778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_lx_start, u1_lxend, 10788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_mb_mc_mode); 10798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /**********************************************************/ 10818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Loop on number of predictors, 1 Each for Forw Backw */ 10828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Loop 2 times for BiDirect mode */ 10838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /**********************************************************/ 10848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(u1_lx = u1_lx_start; u1_lx < u1_lxend; u1_lx++) 10858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 10868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD16 i2_mv_x, i2_mv_y; 10878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /********************************************************/ 10898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Predict Mv */ 10908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Add Mv Residuals and store back */ 10918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /********************************************************/ 10928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx = s_mvPred.i1_ref_frame[u1_lx]; 10938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_tmp_lx = (u1_lx << 1); 10948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_mv_x = ps_mv_nmb->i2_mv[u1_tmp_lx]; 10968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_mv_y = ps_mv_nmb->i2_mv[u1_tmp_lx + 1]; 10978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 10988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_mv_x += s_mvPred.i2_mv[u1_tmp_lx]; 10998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_mv_y += s_mvPred.i2_mv[u1_tmp_lx + 1]; 11008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S s_mvPred.i2_mv[u1_tmp_lx] = i2_mv_x; 11018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S s_mvPred.i2_mv[u1_tmp_lx + 1] = i2_mv_y; 11028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /********************************************************/ 11048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Transfer setup call */ 11058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* convert RefIdx if it is MbAff */ 11068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Pass Weight Offset and refFrame */ 11078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /********************************************************/ 11088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx1 = i1_ref_idx >> u1_scale_ref; 11098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_scale_ref && ((i1_ref_idx & 0x01) != u4_bot_mb)) 11108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i1_ref_idx1 += MAX_REF_BUFS; 11118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_ref_frame = 11128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_ref_pic_buf_lx[u1_lx][i1_ref_idx1]; 11138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Storing Colocated-Zero u4_flag */ 11158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_lx == u1_lx_start) 11168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 11178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Fill colocated info in MvPred structure */ 11188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S s_mvPred.u1_col_ref_pic_idx = 11198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_ref_frame->u1_mv_buf_id; 11208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S s_mvPred.u1_pic_type = ps_ref_frame->u1_pic_type; 11218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Calculating colocated zero information */ 11238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_colz = 11248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (u1_field << 1) 11258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S | ((i1_ref_idx == 0) 11268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S && (ABS(i2_mv_x) 11278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S <= 1) 11288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S && (ABS(i2_mv_y) 11298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S <= 1)); 11308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_colz |= ps_mb_part_info->u1_col_info[u1_blk_no]; 11318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 11328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_wt_offst = ppu4_wt_ofst[u1_blk_no]; 11348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 11358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pred_info_pkd_t *ps_pred_pkd; 11368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD16 i2_mv[2]; 11378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_mv[0] = i2_mv_x; 11398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_mv[1] = i2_mv_y; 11408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx; 11428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_fill_pred_info(i2_mv,u1_wd,u1_ht,u1_sub_mb_num,u1_pred_mode, 11438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_pred_pkd,ps_ref_frame->u1_pic_buf_id,i1_ref_idx,pu4_wt_offst, 11448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_ref_frame->u1_pic_type); 11458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u4_pred_info_pkd_idx++; 11468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_cur_mb_info->u1_num_pred_parts++; 11478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 11508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 11528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_rep_mv_colz(ps_dec, &s_mvPred, ps_mv_nmb, 11538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_sub_mb_num, u1_colz, u1_ht, 11548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_wd); 11558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 11568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 11578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 11598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 11608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 11618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Set zero values in case of Intra Mbs */ 11628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S mv_pred_t s_mvPred = 11638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 11648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 0, 0, 0, 0 }, 11658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { -1, -1 }, 0, 0}; 11668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Storing colocated zero information */ 11678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_rep_mv_colz(ps_dec, &s_mvPred, ps_mv_nmb_start, 0, 11688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (UWORD8)(u1_field << 1), 4, 4); 11698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 11708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 11718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /*if num _cores is set to 3 ,compute bs will be done in another thread*/ 11728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_dec->u4_num_cores < 3) 11738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 11748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_dec->u4_app_disable_deblk_frm == 0) 11758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_compute_bs(ps_dec, ps_cur_mb_info, 11768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (UWORD16)(i >> u1_mbaff)); 11778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 11788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 11798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return OK; 11808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S} 11818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S/*! 11828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 11838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \if Function name : ih264d_get_implicit_weights \endif 11848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 11858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \brief 11868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * Calculates Implicit Weights. 11878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 11888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \return 11898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * None 11908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 11918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 11928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S */ 11938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha Svoid ih264d_get_implicit_weights(dec_struct_t *ps_dec) 11948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S{ 11958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 *pu4_iwt_ofst; 11968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 i, j; 11978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S struct pic_buffer_t *ps_pic_buff0, *ps_pic_buff1; 11988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD16 i2_dist_scale_factor; 11998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD16 i16_tb, i16_td, i16_tx; 12008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_poc0, u4_poc1; 12018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 ui_temp0, ui_temp1; 12028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 uc_num_ref_idx_l0_active, uc_num_ref_idx_l1_active; 12038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 12048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_iwt_ofst = ps_dec->pu4_wts_ofsts_mat; 12058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S uc_num_ref_idx_l0_active = 12068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0]; 12078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S uc_num_ref_idx_l1_active = 12088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1]; 12098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 12108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(i = 0; i < uc_num_ref_idx_l0_active; i++) 12118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_pic_buff0 = ps_dec->ps_ref_pic_buf_lx[0][i]; 12138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_poc0 = ps_pic_buff0->i4_avg_poc; 12148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(j = 0; j < uc_num_ref_idx_l1_active; j++) 12158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_pic_buff1 = ps_dec->ps_ref_pic_buf_lx[1][j]; 12178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_poc1 = ps_pic_buff1->i4_avg_poc; 12188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 12198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_poc1 != u4_poc0) 12208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i16_tb = ps_dec->ps_cur_pic->i4_poc - u4_poc0; 12228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i16_tb = CLIP3(-128, 127, i16_tb); 12238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i16_td = u4_poc1 - u4_poc0; 12248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i16_td = CLIP3(-128, 127, i16_td); 12258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i16_tx = (16384 + ABS(SIGN_POW2_DIV(i16_td, 1))) / i16_td; 12268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_dist_scale_factor = CLIP3(-1024, 1023, 12278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (((i16_tb * i16_tx) + 32) >> 6)); 12288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 12298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(/*((u4_poc1 - u4_poc0) == 0) ||*/ 12308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (!(ps_pic_buff1->u1_is_short && ps_pic_buff0->u1_is_short)) 12318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S || ((i2_dist_scale_factor >> 2) < -64) 12328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S || ((i2_dist_scale_factor >> 2) > 128)) 12338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* same for forward and backward, wt=32 and Offset = 0 */ 12358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp0 = 0x00000020; 12368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp1 = 0x00000020; 12378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 12388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 12398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp0 = 64 - (i2_dist_scale_factor >> 2); 12418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp1 = (i2_dist_scale_factor >> 2); 12428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 12438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 12448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 12458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp0 = 0x00000020; 12478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp1 = 0x00000020; 12488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 12498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_iwt_ofst[0] = pu4_iwt_ofst[2] = pu4_iwt_ofst[4] = ui_temp0; 12508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_iwt_ofst[1] = pu4_iwt_ofst[3] = pu4_iwt_ofst[5] = ui_temp1; 12518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pu4_iwt_ofst += 6; 12528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 12538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 12548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_dec->ps_cur_slice->u1_mbaff_frame_flag) 12558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 k; 12578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 i4_cur_poc = ps_dec->ps_cur_pic->i4_top_field_order_cnt; 12588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32* pu4_wt_mat = ps_dec->pu4_mbaff_wt_mat; 12598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Form the Implicit Weighted prediction matrix for field MBs also */ 12608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(k = 0; k < 2; k++) 12618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(i = 0; i < (uc_num_ref_idx_l0_active << 1); i++) 12638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD16 u2_l0_idx; 12658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 12668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /*u2_l0_idx = (i >= uc_num_ref_idx_l0_active) 12678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ?(MAX_REF_BUFS + i - uc_num_ref_idx_l0_active) : (i) ;*/ 12688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 12698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u2_l0_idx = i >> 1; 12708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if((i & 0x01) != k) 12718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u2_l0_idx += MAX_REF_BUFS; 12738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 12748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_pic_buff0 = ps_dec->ps_ref_pic_buf_lx[0][u2_l0_idx]; 12758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_poc0 = ps_pic_buff0->i4_poc; 12768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(j = 0; j < (uc_num_ref_idx_l1_active << 1); j++) 12778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD16 u2_l1_idx; 12798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /*u2_l1_idx = (j >= uc_num_ref_idx_l1_active) 12808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ? (MAX_REF_BUFS + j - uc_num_ref_idx_l1_active ) : (j) ;*/ 12818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 12828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u2_l1_idx = j >> 1; 12838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if((j & 0x01) != k) 12848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u2_l1_idx += MAX_REF_BUFS; 12868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 12878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_pic_buff1 = ps_dec->ps_ref_pic_buf_lx[1][u2_l1_idx]; 12888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_poc1 = ps_pic_buff1->i4_poc; 12898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_poc1 != u4_poc0) 12908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 12918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i16_tb = i4_cur_poc - u4_poc0; 12928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i16_tb = CLIP3(-128, 127, i16_tb); 12938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i16_td = u4_poc1 - u4_poc0; 12948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i16_td = CLIP3(-128, 127, i16_td); 12958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i16_tx = (16384 + ABS(SIGN_POW2_DIV(i16_td, 1))) 12968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S / i16_td; 12978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i2_dist_scale_factor = CLIP3( 12988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S -1024, 1023, 12998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (((i16_tb * i16_tx) + 32) >> 6)); 13008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 13018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(/*((u4_poc1 - u4_poc0) == 0) ||*/ 13028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (!(ps_pic_buff1->u1_is_short && ps_pic_buff0->u1_is_short)) 13038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S || ((i2_dist_scale_factor >> 2) < -64) 13048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S || ((i2_dist_scale_factor >> 2) > 128)) 13058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 13068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* same for forward and backward, wt=32 and Offset = 0 */ 13078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp0 = 0x00000020; 13088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp1 = 0x00000020; 13098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 13108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 13118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 13128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp0 = 64 - (i2_dist_scale_factor >> 2); 13138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp1 = (i2_dist_scale_factor >> 2); 13148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 13158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 13168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 13178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 13188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp0 = 0x00000020; 13198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp1 = 0x00000020; 13208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 13218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Store in the weight matrix */ 13228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_wt_mat++ = ui_temp0; 13238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_wt_mat++ = ui_temp1; 13248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_wt_mat++ = ui_temp0; 13258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_wt_mat++ = ui_temp1; 13268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_wt_mat++ = ui_temp0; 13278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pu4_wt_mat++ = ui_temp1; 13288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 13298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 13308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 13318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i4_cur_poc = ps_dec->ps_cur_pic->i4_bottom_field_order_cnt; 13328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 13338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 13348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S} 13358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 13368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S/*! 13378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 13388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \if Function name : ih264d_decode_bslice \endif 13398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 13408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \brief 13418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * Decodes a B Slice 13428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 13438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 13448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * \return 13458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S * 0 on Success and Error code otherwise 13468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ************************************************************************** 13478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S */ 13488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha SWORD32 ih264d_parse_bslice(dec_struct_t * ps_dec, UWORD16 u2_first_mb_in_slice) 13498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S{ 13508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_pic_params_t * ps_pps = ps_dec->ps_cur_pps; 13518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_slice_params_t * ps_slice = ps_dec->ps_cur_slice; 13528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S dec_bit_stream_t * ps_bitstrm = ps_dec->ps_bitstrm; 13538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_ref_idx_re_flag_lx; 13548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer; 13558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst; 13568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 13578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD32 u4_temp, ui_temp1; 13588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 i_temp; 13598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 ret; 13608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 13618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /*--------------------------------------------------------------------*/ 13628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read remaining contents of the slice header */ 13638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /*--------------------------------------------------------------------*/ 13648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 13658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 *pi1_buf; 13668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD16 *pi2_mv = ps_dec->s_default_mv_pred.i2_mv; 13678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 *pi4_mv = (WORD32*)pi2_mv; 13688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD16 *pi16_refFrame; 13698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi1_buf = ps_dec->s_default_mv_pred.i1_ref_frame; 13708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S pi16_refFrame = (WORD16*)pi1_buf; 13718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pi4_mv = 0; 13728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *(pi4_mv + 1) = 0; 13738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S *pi16_refFrame = OUT_OF_RANGE_REF; 13748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->s_default_mv_pred.u1_col_ref_pic_idx = (UWORD8)-1; 13758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->s_default_mv_pred.u1_pic_type = (UWORD8)-1; 13768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 13778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 13788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->u1_num_ref_idx_active_override_flag = ih264d_get_bit_h264( 13798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_bitstrm); 13808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("SH: num_ref_idx_override_flag", 13818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->u1_num_ref_idx_active_override_flag); 13828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 13838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_temp = ps_dec->ps_cur_pps->u1_num_ref_idx_lx_active[0]; 13848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp1 = ps_dec->ps_cur_pps->u1_num_ref_idx_lx_active[1]; 13858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_slice->u1_num_ref_idx_active_override_flag) 13868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 13878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_temp = 1 + ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf); 13888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("SH: num_ref_idx_l0_active_minus1", 13898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_temp - 1); 13908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp1 = 1 + ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf); 13918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("SH: num_ref_idx_l1_active_minus1", 13928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ui_temp1 - 1); 13938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 13948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 13958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 13968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_max_ref_idx = MAX_FRAMES; 13978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_slice->u1_field_pic_flag) 13988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 13998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_max_ref_idx = MAX_FRAMES << 1; 14008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 1401208c74d62a3e1039dc87818306e057877760fbaaHamsalekha S if((u4_temp > u1_max_ref_idx) || (ui_temp1 > u1_max_ref_idx) 1402208c74d62a3e1039dc87818306e057877760fbaaHamsalekha S || (u4_temp < 1) || (ui_temp1 < 1)) 14038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 14048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_NUM_REF; 14058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 14068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->u1_num_ref_idx_lx_active[0] = u4_temp; 14078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->u1_num_ref_idx_lx_active[1] = ui_temp1; 14088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 14098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1410f9d3f9af8fc113acda28e1a4e48d85736ee29c75Hamsalekha S 1411f9d3f9af8fc113acda28e1a4e48d85736ee29c75Hamsalekha S ih264d_init_ref_idx_lx_b(ps_dec); 14128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Store the value for future slices in the same picture */ 14138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u1_num_ref_idx_lx_active_prev = 14148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0]; 14158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_ref_idx_re_flag_lx = ih264d_get_bit_h264(ps_bitstrm); 14178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("SH: ref_pic_list_reordering_flag_l0",u1_ref_idx_re_flag_lx); 14188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Modified temporarily */ 14208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_ref_idx_re_flag_lx) 14218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 14228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 ret; 14238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_ref_pic_buf_lx[0] = ps_dec->ps_dpb_mgr->ps_mod_dpb[0]; 14248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_ref_idx_reordering(ps_dec, 0); 14258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret == -1) 14268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_REFIDX_ORDER_T; 14278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 14288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 14298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_ref_pic_buf_lx[0] = ps_dec->ps_dpb_mgr->ps_init_dpb[0]; 14308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u1_ref_idx_re_flag_lx = ih264d_get_bit_h264(ps_bitstrm); 14328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("SH: ref_pic_list_reordering_flag_l1",u1_ref_idx_re_flag_lx); 14338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Modified temporarily */ 14358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u1_ref_idx_re_flag_lx) 14368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 14378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 ret; 14388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_ref_pic_buf_lx[1] = ps_dec->ps_dpb_mgr->ps_mod_dpb[1]; 14398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_ref_idx_reordering(ps_dec, 1); 14408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret == -1) 14418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_REFIDX_ORDER_T; 14428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 14438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 14448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_ref_pic_buf_lx[1] = ps_dec->ps_dpb_mgr->ps_init_dpb[1]; 14458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Create refIdx to POC mapping */ 14478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 14488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S void **ppv_map_ref_idx_to_poc_lx; 14498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD8 idx; 14508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S struct pic_buffer_t *ps_pic; 14518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx = ps_dec->ppv_map_ref_idx_to_poc + FRM_LIST_L0; 14538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx[0] = 0; 14548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx++; 14558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(idx = 0; idx < ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0]; 14568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S idx++) 14578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 14588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_pic = ps_dec->ps_ref_pic_buf_lx[0][idx]; 14598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx[idx] = (ps_pic->pu1_buf1); 14608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 14618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx = ps_dec->ppv_map_ref_idx_to_poc + FRM_LIST_L1; 14638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx[0] = 0; 14658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx++; 14668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(idx = 0; idx < ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1]; 14678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S idx++) 14688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 14698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_pic = ps_dec->ps_ref_pic_buf_lx[1][idx]; 14708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx[idx] = (ps_pic->pu1_buf1); 14718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 14728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_dec->ps_cur_slice->u1_mbaff_frame_flag) 14748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 14758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S void **ppv_map_ref_idx_to_poc_lx_t, **ppv_map_ref_idx_to_poc_lx_b; 14768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t = ps_dec->ppv_map_ref_idx_to_poc 14788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + TOP_LIST_FLD_L0; 14798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b = ps_dec->ppv_map_ref_idx_to_poc 14808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + BOT_LIST_FLD_L0; 14818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t[0] = 0; 14838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t++; 14848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b[0] = 0; 14858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b++; 14868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(idx = 0; idx < ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0]; 14878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S idx++) 14888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 14898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_pic = ps_dec->ps_ref_pic_buf_lx[0][idx]; 14908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t[0] = (ps_pic->pu1_buf1); 14918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b[1] = (ps_pic->pu1_buf1); 14928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b[0] = (ps_pic->pu1_buf1) + 1; 14948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t[1] = (ps_pic->pu1_buf1) + 1; 14958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 14968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t += 2; 14978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b += 2; 14988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 14998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t = ps_dec->ppv_map_ref_idx_to_poc 15018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + TOP_LIST_FLD_L1; 15028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b = ps_dec->ppv_map_ref_idx_to_poc 15038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + BOT_LIST_FLD_L1; 15048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t[0] = 0; 15068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t++; 15078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b[0] = 0; 15088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b++; 15098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S for(idx = 0; idx < ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1]; 15108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S idx++) 15118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 15128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S UWORD8 u1_tmp_idx = idx << 1; 15138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_pic = ps_dec->ps_ref_pic_buf_lx[1][idx]; 15148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t[u1_tmp_idx] = (ps_pic->pu1_buf1); 15158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b[u1_tmp_idx + 1] = (ps_pic->pu1_buf1); 15168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_b[u1_tmp_idx] = (ps_pic->pu1_buf1) + 1; 15188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ppv_map_ref_idx_to_poc_lx_t[u1_tmp_idx + 1] = (ps_pic->pu1_buf1) + 1; 15198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 15218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 15228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_dec->u4_num_cores >= 3) 15248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 15258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 num_entries; 15268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S WORD32 size; 15278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S num_entries = MIN(MAX_FRAMES, ps_dec->u4_num_ref_frames_at_init); 15298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S num_entries = 2 * ((2 * num_entries) + 1); 15308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S size = num_entries * sizeof(void *); 15328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S size += PAD_MAP_IDX_POC * sizeof(void *); 15338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S memcpy((void *)ps_dec->ps_parse_cur_slice->ppv_map_ref_idx_to_poc, 15358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ppv_map_ref_idx_to_poc, 15368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S size); 15378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 15388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 15408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_dec->ps_cur_slice->u1_mbaff_frame_flag 15428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S && (ps_dec->ps_cur_slice->u1_field_pic_flag == 0)) 15438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 15448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_convert_frm_mbaff_list(ps_dec); 15458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 15468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_pps->u1_wted_bipred_idc == 1) 15488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 15498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_parse_pred_weight_table(ps_slice, ps_bitstrm); 15508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 15518d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 15528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_form_pred_weight_matrix(ps_dec); 15538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pu4_wt_ofsts = ps_dec->pu4_wts_ofsts_mat; 15548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 15558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else if(ps_pps->u1_wted_bipred_idc == 2) 15568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 15578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Implicit Weighted prediction */ 15588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->u2_log2Y_crwd = 0x0505; 15598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pu4_wt_ofsts = ps_dec->pu4_wts_ofsts_mat; 15608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_get_implicit_weights(ps_dec); 15618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 15628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 15638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_cur_slice->u2_log2Y_crwd = 0; 15648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_parse_cur_slice->u2_log2Y_crwd = 15668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->ps_cur_slice->u2_log2Y_crwd; 15678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* G050 */ 15698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_slice->u1_nal_ref_idc != 0) 15708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 15718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(!ps_dec->ps_dpb_cmds->u1_dpb_commands_read) 1572943323f1d9d3dd5c2634deb26cbe72343ca6b3dbNaveen Kumar Ponnusamy { 1573943323f1d9d3dd5c2634deb26cbe72343ca6b3dbNaveen Kumar Ponnusamy i_temp = ih264d_read_mmco_commands(ps_dec); 1574943323f1d9d3dd5c2634deb26cbe72343ca6b3dbNaveen Kumar Ponnusamy if (i_temp < 0) 1575943323f1d9d3dd5c2634deb26cbe72343ca6b3dbNaveen Kumar Ponnusamy { 1576943323f1d9d3dd5c2634deb26cbe72343ca6b3dbNaveen Kumar Ponnusamy return ERROR_DBP_MANAGER_T; 1577943323f1d9d3dd5c2634deb26cbe72343ca6b3dbNaveen Kumar Ponnusamy } 1578943323f1d9d3dd5c2634deb26cbe72343ca6b3dbNaveen Kumar Ponnusamy ps_dec->u4_bitoffset = i_temp; 1579943323f1d9d3dd5c2634deb26cbe72343ca6b3dbNaveen Kumar Ponnusamy } 15808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 15818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_bitstrm->u4_ofst += ps_dec->u4_bitoffset; 15828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 15838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* G050 */ 15848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_pps->u1_entropy_coding_mode == CABAC) 15868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 15878d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_temp = ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf); 15888d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_temp > MAX_CABAC_INIT_IDC) 15898d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 15908d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_INV_SLICE_HDR_T; 15918d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 15928d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->u1_cabac_init_idc = u4_temp; 15938d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("SH: cabac_init_idc",ps_slice->u1_cabac_init_idc); 15948d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 15958d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 15968d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S /* Read slice_qp_delta */ 15978d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i_temp = ps_pps->u1_pic_init_qp 15988d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S + ih264d_sev(pu4_bitstrm_ofst, pu4_bitstrm_buf); 15998d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if((i_temp < 0) || (i_temp > 51)) 16008d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 16018d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_INV_RANGE_QP_T; 16028d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 16038d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->u1_slice_qp = i_temp; 16048d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("SH: slice_qp_delta", 16058d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S (WORD8)(ps_slice->u1_slice_qp - ps_pps->u1_pic_init_qp)); 16068d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 16078d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_pps->u1_deblocking_filter_parameters_present_flag == 1) 16088d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 16098d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S u4_temp = ih264d_uev(pu4_bitstrm_ofst, pu4_bitstrm_buf); 16108d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_temp > SLICE_BOUNDARY_DBLK_DISABLED) 16118d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 16128d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_INV_SLICE_HDR_T; 16138d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } COPYTHECONTEXT("SH: disable_deblocking_filter_idc", u4_temp); 16148d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->u1_disable_dblk_filter_idc = u4_temp; 16158d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(u4_temp != 1) 16168d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 16178d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i_temp = ih264d_sev(pu4_bitstrm_ofst, pu4_bitstrm_buf) 16188d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S << 1; 16198d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if((MIN_DBLK_FIL_OFF > i_temp) || (i_temp > MAX_DBLK_FIL_OFF)) 16208d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 16218d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_INV_SLICE_HDR_T; 16228d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 16238d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->i1_slice_alpha_c0_offset = i_temp; 16248d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("SH: slice_alpha_c0_offset_div2", 16258d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->i1_slice_alpha_c0_offset >> 1); 16268d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 16278d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S i_temp = ih264d_sev(pu4_bitstrm_ofst, pu4_bitstrm_buf) 16288d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S << 1; 16298d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if((MIN_DBLK_FIL_OFF > i_temp) || (i_temp > MAX_DBLK_FIL_OFF)) 16308d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 16318d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ERROR_INV_SLICE_HDR_T; 16328d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 16338d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->i1_slice_beta_offset = i_temp; 16348d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S COPYTHECONTEXT("SH: slice_beta_offset_div2", 16358d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->i1_slice_beta_offset >> 1); 16368d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 16378d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 16388d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 16398d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 16408d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->i1_slice_alpha_c0_offset = 0; 16418d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->i1_slice_beta_offset = 0; 16428d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 16438d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 16448d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 16458d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 16468d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->u1_disable_dblk_filter_idc = 0; 16478d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->i1_slice_alpha_c0_offset = 0; 16488d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_slice->i1_slice_beta_offset = 0; 16498d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 16508d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 16518ef4c3f6142028732a155cbfc1febd6ef5da72fdMarco Nelissen ps_dec->u1_slice_header_done = 2; 16528d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 16538d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_pps->u1_entropy_coding_mode) 16548d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 16558d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S SWITCHOFFTRACE; SWITCHONTRACECABAC; 16568d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_parse_inter_slice = ih264d_parse_inter_slice_data_cabac; 16578d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_parse_inter_mb = ih264d_parse_bmb_cabac; 16588d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ih264d_init_cabac_contexts(B_SLICE, ps_dec); 16598d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 16608d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_dec->ps_cur_slice->u1_mbaff_frame_flag) 16618d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_get_mb_info = ih264d_get_mb_info_cabac_mbaff; 16628d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 16638d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_get_mb_info = ih264d_get_mb_info_cabac_nonmbaff; 16648d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 16658d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 16668d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S { 16678d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S SWITCHONTRACE; SWITCHOFFTRACECABAC; 16688d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_parse_inter_slice = ih264d_parse_inter_slice_data_cavlc; 16698d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_parse_inter_mb = ih264d_parse_bmb_cavlc; 16708d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ps_dec->ps_cur_slice->u1_mbaff_frame_flag) 16718d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_get_mb_info = ih264d_get_mb_info_cavlc_mbaff; 16728d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S else 16738d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_get_mb_info = ih264d_get_mb_info_cavlc_nonmbaff; 16748d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S } 16758d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 16768d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ih264d_cal_col_pic(ps_dec); 16778d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 16788d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 16798d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->u1_B = 1; 16808d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ps_dec->pf_mvpred_ref_tfr_nby2mb = ih264d_mv_pred_ref_tfr_nby2_bmb; 16818d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S ret = ps_dec->pf_parse_inter_slice(ps_dec, ps_slice, u2_first_mb_in_slice); 16828d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S if(ret != OK) 16838d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return ret; 16848d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S return OK; 16858d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S} 16868d3d303c7942ced6a987a52db8977d768dc3605fHamsalekha S 1687