[5] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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[56] | 4 | * granted under this license. |
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[5] | 5 | * |
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[1179] | 6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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[5] | 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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[56] | 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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[5] | 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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[2] | 33 | |
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| 34 | /** \file TDecSbac.cpp |
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| 35 | \brief Context-adaptive entropy decoder class |
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| 36 | */ |
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| 37 | |
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| 38 | #include "TDecSbac.h" |
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| 39 | |
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[56] | 40 | //! \ingroup TLibDecoder |
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| 41 | //! \{ |
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| 42 | |
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[2] | 43 | ////////////////////////////////////////////////////////////////////// |
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| 44 | // Construction/Destruction |
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| 45 | ////////////////////////////////////////////////////////////////////// |
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| 46 | |
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| 47 | TDecSbac::TDecSbac() |
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| 48 | // new structure here |
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| 49 | : m_pcBitstream ( 0 ) |
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| 50 | , m_pcTDecBinIf ( NULL ) |
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[56] | 51 | , m_numContextModels ( 0 ) |
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| 52 | , m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels ) |
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| 53 | , m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[1179] | 54 | #if SEC_DEPTH_INTRA_SKIP_MODE_K0033 |
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| 55 | , m_cCUDISFlagSCModel ( 1, 1, NUM_DIS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 56 | , m_cCUDISTypeSCModel ( 1, 1, NUM_DIS_TYPE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 57 | #else |
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[1084] | 58 | #if H_3D_SINGLE_DEPTH |
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[1039] | 59 | , m_cCUSingleDepthFlagSCModel ( 1, 1, NUM_SINGLEDEPTH_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 60 | , m_cSingleDepthValueSCModel ( 1, 1, NUM_SINGLE_DEPTH_VALUE_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 61 | #endif |
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[1179] | 62 | #endif |
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[56] | 63 | , m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 64 | , m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 65 | #if H_3D_ARP |
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| 66 | , m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[2] | 67 | #endif |
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[608] | 68 | #if H_3D_IC |
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| 69 | , m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[443] | 70 | #endif |
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[56] | 71 | , m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 72 | , m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 73 | , m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 74 | , m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 75 | , m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 76 | , m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 77 | , m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 78 | , m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 79 | , m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 80 | , m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 81 | , m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 82 | , m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 83 | , m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 84 | , m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels) |
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| 85 | , m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels) |
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| 86 | , m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 87 | , m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 88 | , m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 89 | , m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[443] | 90 | , m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 91 | , m_cTransformSkipSCModel ( 1, 2, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 92 | , m_CUTransquantBypassFlagSCModel( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX, m_contextModels + m_numContextModels, m_numContextModels) |
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| 93 | #if H_3D_DIM |
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| 94 | , m_cDepthIntraModeSCModel ( 1, 1, NUM_DEPTH_INTRA_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 95 | , m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 96 | , m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[833] | 97 | , m_cAngleFlagSCModel ( 1, 1, NUM_ANGLE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 98 | #if H_3D_DIM_SDC |
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| 99 | , m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 100 | , m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[100] | 101 | #endif |
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| 102 | #endif |
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[884] | 103 | #if H_3D_DIM_SDC |
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[833] | 104 | , m_cSDCFlagSCModel ( 1, 1, NUM_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 105 | #endif |
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| 106 | #if H_3D_DBBP |
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| 107 | , m_cDBBPFlagSCModel ( 1, 1, DBBP_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 108 | #endif |
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[2] | 109 | { |
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[56] | 110 | assert( m_numContextModels <= MAX_NUM_CTX_MOD ); |
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[2] | 111 | } |
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| 112 | |
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| 113 | TDecSbac::~TDecSbac() |
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| 114 | { |
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| 115 | } |
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| 116 | |
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| 117 | // ==================================================================================================================== |
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| 118 | // Public member functions |
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| 119 | // ==================================================================================================================== |
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| 120 | |
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[56] | 121 | Void TDecSbac::resetEntropy(TComSlice* pSlice) |
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[2] | 122 | { |
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[56] | 123 | SliceType sliceType = pSlice->getSliceType(); |
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| 124 | Int qp = pSlice->getSliceQp(); |
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| 125 | |
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| 126 | if (pSlice->getPPS()->getCabacInitPresentFlag() && pSlice->getCabacInitFlag()) |
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| 127 | { |
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| 128 | switch (sliceType) |
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| 129 | { |
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| 130 | case P_SLICE: // change initialization table to B_SLICE initialization |
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| 131 | sliceType = B_SLICE; |
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| 132 | break; |
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| 133 | case B_SLICE: // change initialization table to P_SLICE initialization |
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| 134 | sliceType = P_SLICE; |
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| 135 | break; |
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| 136 | default : // should not occur |
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| 137 | assert(0); |
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| 138 | } |
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| 139 | } |
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| 140 | |
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| 141 | m_cCUSplitFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SPLIT_FLAG ); |
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| 142 | m_cCUSkipFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SKIP_FLAG ); |
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[1179] | 143 | #if SEC_DEPTH_INTRA_SKIP_MODE_K0033 |
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| 144 | m_cCUDISFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DIS_FLAG ); |
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| 145 | m_cCUDISTypeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DIS_TYPE ); |
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| 146 | #else |
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[1084] | 147 | #if H_3D_SINGLE_DEPTH |
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[1039] | 148 | m_cCUSingleDepthFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SINGLEDEPTH_FLAG ); |
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| 149 | m_cSingleDepthValueSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SINGLE_DEPTH_VALUE_DATA ); |
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| 150 | #endif |
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[1179] | 151 | #endif |
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[56] | 152 | m_cCUMergeFlagExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT ); |
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| 153 | m_cCUMergeIdxExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_IDX_EXT ); |
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[608] | 154 | #if H_3D_ARP |
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| 155 | m_cCUPUARPWSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ARPW ); |
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[2] | 156 | #endif |
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[608] | 157 | #if H_3D_IC |
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| 158 | m_cCUICFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_IC_FLAG ); |
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[443] | 159 | #endif |
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[56] | 160 | m_cCUPartSizeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PART_SIZE ); |
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| 161 | m_cCUPredModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PRED_MODE ); |
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| 162 | m_cCUIntraPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 163 | m_cCUChromaPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 164 | m_cCUInterDirSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTER_DIR ); |
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| 165 | m_cCUMvdSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVD ); |
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| 166 | m_cCURefPicSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_REF_PIC ); |
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| 167 | m_cCUDeltaQpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DQP ); |
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| 168 | m_cCUQtCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_CBF ); |
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| 169 | m_cCUQtRootCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 170 | m_cCUSigCoeffGroupSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 171 | m_cCUSigSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_FLAG ); |
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| 172 | m_cCuCtxLastX.initBuffer ( sliceType, qp, (UChar*)INIT_LAST ); |
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| 173 | m_cCuCtxLastY.initBuffer ( sliceType, qp, (UChar*)INIT_LAST ); |
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| 174 | m_cCUOneSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ONE_FLAG ); |
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| 175 | m_cCUAbsSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ABS_FLAG ); |
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| 176 | m_cMVPIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVP_IDX ); |
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[608] | 177 | m_cSaoMergeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG ); |
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[443] | 178 | m_cSaoTypeIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_TYPE_IDX ); |
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[56] | 179 | |
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| 180 | m_cCUTransSubdivFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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[608] | 181 | m_cTransformSkipSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG ); |
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| 182 | m_CUTransquantBypassFlagSCModel.initBuffer( sliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG ); |
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| 183 | #if H_3D_DIM |
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| 184 | m_cDepthIntraModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE ); |
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| 185 | m_cDdcFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DDC_FLAG ); |
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| 186 | m_cDdcDataSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DDC_DATA ); |
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[833] | 187 | m_cAngleFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ANGLE_FLAG ); |
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[608] | 188 | #if H_3D_DIM_SDC |
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| 189 | m_cSDCResidualFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_RESIDUAL_FLAG ); |
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| 190 | m_cSDCResidualSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_RESIDUAL ); |
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[2] | 191 | #endif |
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[443] | 192 | #endif |
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[884] | 193 | #if H_3D_DIM_SDC |
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[833] | 194 | m_cSDCFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_FLAG ); |
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| 195 | #endif |
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| 196 | #if H_3D_DBBP |
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| 197 | m_cDBBPFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DBBP_FLAG ); |
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| 198 | #endif |
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[608] | 199 | m_uiLastDQpNonZero = 0; |
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[2] | 200 | |
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| 201 | // new structure |
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[56] | 202 | m_uiLastQp = qp; |
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[2] | 203 | |
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| 204 | m_pcTDecBinIf->start(); |
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| 205 | } |
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| 206 | |
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[56] | 207 | /** The function does the following: Read out terminate bit. Flush CABAC. Byte-align for next tile. |
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| 208 | * Intialize CABAC states. Start CABAC. |
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| 209 | */ |
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| 210 | Void TDecSbac::updateContextTables( SliceType eSliceType, Int iQp ) |
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| 211 | { |
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| 212 | UInt uiBit; |
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| 213 | m_pcTDecBinIf->decodeBinTrm(uiBit); |
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[608] | 214 | assert(uiBit); // end_of_sub_stream_one_bit must be equal to 1 |
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[56] | 215 | m_pcTDecBinIf->finish(); |
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| 216 | m_pcBitstream->readOutTrailingBits(); |
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| 217 | m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG ); |
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| 218 | m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG ); |
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[1179] | 219 | #if SEC_DEPTH_INTRA_SKIP_MODE_K0033 |
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| 220 | m_cCUDISFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_FLAG ); |
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| 221 | m_cCUDISTypeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_TYPE ); |
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| 222 | #else |
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[1084] | 223 | #if H_3D_SINGLE_DEPTH |
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[1039] | 224 | m_cCUSingleDepthFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SINGLEDEPTH_FLAG ); |
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| 225 | m_cSingleDepthValueSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SINGLE_DEPTH_VALUE_DATA ); |
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| 226 | #endif |
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[1179] | 227 | #endif |
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[56] | 228 | m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT ); |
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| 229 | m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT ); |
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[608] | 230 | #if H_3D_ARP |
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| 231 | m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW ); |
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[56] | 232 | #endif |
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[608] | 233 | #if H_3D_IC |
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| 234 | m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG ); |
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[443] | 235 | #endif |
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[56] | 236 | m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE ); |
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| 237 | m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE ); |
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| 238 | m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 239 | m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 240 | m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR ); |
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| 241 | m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD ); |
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| 242 | m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC ); |
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| 243 | m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP ); |
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| 244 | m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF ); |
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| 245 | m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 246 | m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 247 | m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG ); |
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| 248 | m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 249 | m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 250 | m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG ); |
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| 251 | m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG ); |
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| 252 | m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX ); |
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[608] | 253 | m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG ); |
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[443] | 254 | m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX ); |
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[56] | 255 | m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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[608] | 256 | m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG ); |
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| 257 | m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG ); |
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| 258 | |
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| 259 | #if H_3D_DIM |
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| 260 | m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE ); |
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| 261 | m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG ); |
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| 262 | m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA ); |
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[833] | 263 | m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG ); |
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[608] | 264 | #if H_3D_DIM_SDC |
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| 265 | m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG ); |
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| 266 | m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL ); |
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[443] | 267 | #endif |
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[189] | 268 | #endif |
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[884] | 269 | #if H_3D_DIM_SDC |
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[833] | 270 | m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG ); |
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| 271 | #endif |
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| 272 | #if H_3D_DBBP |
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| 273 | m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG ); |
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| 274 | #endif |
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[56] | 275 | m_pcTDecBinIf->start(); |
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| 276 | } |
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| 277 | |
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[608] | 278 | Void TDecSbac::parseTerminatingBit( UInt& ruiBit ) |
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[56] | 279 | { |
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[608] | 280 | m_pcTDecBinIf->decodeBinTrm( ruiBit ); |
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| 281 | if ( ruiBit ) |
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[56] | 282 | { |
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[608] | 283 | m_pcTDecBinIf->finish(); |
---|
[56] | 284 | } |
---|
| 285 | } |
---|
| 286 | |
---|
[2] | 287 | |
---|
| 288 | Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ) |
---|
| 289 | { |
---|
| 290 | if (uiMaxSymbol == 0) |
---|
| 291 | { |
---|
| 292 | ruiSymbol = 0; |
---|
| 293 | return; |
---|
| 294 | } |
---|
| 295 | |
---|
| 296 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
---|
| 297 | |
---|
| 298 | if( ruiSymbol == 0 || uiMaxSymbol == 1 ) |
---|
| 299 | { |
---|
| 300 | return; |
---|
| 301 | } |
---|
| 302 | |
---|
| 303 | UInt uiSymbol = 0; |
---|
| 304 | UInt uiCont; |
---|
| 305 | |
---|
| 306 | do |
---|
| 307 | { |
---|
| 308 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] ); |
---|
| 309 | uiSymbol++; |
---|
| 310 | } |
---|
| 311 | while( uiCont && ( uiSymbol < uiMaxSymbol - 1 ) ); |
---|
| 312 | |
---|
| 313 | if( uiCont && ( uiSymbol == uiMaxSymbol - 1 ) ) |
---|
| 314 | { |
---|
| 315 | uiSymbol++; |
---|
| 316 | } |
---|
| 317 | |
---|
| 318 | ruiSymbol = uiSymbol; |
---|
| 319 | } |
---|
| 320 | |
---|
| 321 | Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount ) |
---|
| 322 | { |
---|
| 323 | UInt uiSymbol = 0; |
---|
| 324 | UInt uiBit = 1; |
---|
| 325 | |
---|
| 326 | while( uiBit ) |
---|
| 327 | { |
---|
| 328 | m_pcTDecBinIf->decodeBinEP( uiBit ); |
---|
| 329 | uiSymbol += uiBit << uiCount++; |
---|
| 330 | } |
---|
| 331 | |
---|
[56] | 332 | if ( --uiCount ) |
---|
[2] | 333 | { |
---|
[56] | 334 | UInt bins; |
---|
| 335 | m_pcTDecBinIf->decodeBinsEP( bins, uiCount ); |
---|
| 336 | uiSymbol += bins; |
---|
[2] | 337 | } |
---|
| 338 | |
---|
| 339 | ruiSymbol = uiSymbol; |
---|
| 340 | } |
---|
| 341 | |
---|
| 342 | Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset ) |
---|
| 343 | { |
---|
| 344 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
---|
| 345 | |
---|
| 346 | if( !ruiSymbol ) |
---|
| 347 | { |
---|
| 348 | return; |
---|
| 349 | } |
---|
| 350 | |
---|
| 351 | UInt uiSymbol = 0; |
---|
| 352 | UInt uiCont; |
---|
| 353 | |
---|
| 354 | do |
---|
| 355 | { |
---|
| 356 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] ); |
---|
| 357 | uiSymbol++; |
---|
| 358 | } |
---|
| 359 | while( uiCont ); |
---|
| 360 | |
---|
| 361 | ruiSymbol = uiSymbol; |
---|
| 362 | } |
---|
| 363 | |
---|
[608] | 364 | |
---|
| 365 | /** Parsing of coeff_abs_level_remaing |
---|
| 366 | * \param ruiSymbol reference to coeff_abs_level_remaing |
---|
| 367 | * \param ruiParam reference to parameter |
---|
[2] | 368 | * \returns Void |
---|
| 369 | */ |
---|
[608] | 370 | Void TDecSbac::xReadCoefRemainExGolomb ( UInt &rSymbol, UInt &rParam ) |
---|
[2] | 371 | { |
---|
| 372 | |
---|
[608] | 373 | UInt prefix = 0; |
---|
| 374 | UInt codeWord = 0; |
---|
[2] | 375 | do |
---|
| 376 | { |
---|
[608] | 377 | prefix++; |
---|
| 378 | m_pcTDecBinIf->decodeBinEP( codeWord ); |
---|
[2] | 379 | } |
---|
[608] | 380 | while( codeWord); |
---|
| 381 | codeWord = 1 - codeWord; |
---|
| 382 | prefix -= codeWord; |
---|
| 383 | codeWord=0; |
---|
| 384 | if (prefix < COEF_REMAIN_BIN_REDUCTION ) |
---|
| 385 | { |
---|
| 386 | m_pcTDecBinIf->decodeBinsEP(codeWord,rParam); |
---|
| 387 | rSymbol = (prefix<<rParam) + codeWord; |
---|
| 388 | } |
---|
| 389 | else |
---|
| 390 | { |
---|
| 391 | m_pcTDecBinIf->decodeBinsEP(codeWord,prefix-COEF_REMAIN_BIN_REDUCTION+rParam); |
---|
| 392 | rSymbol = (((1<<(prefix-COEF_REMAIN_BIN_REDUCTION))+COEF_REMAIN_BIN_REDUCTION-1)<<rParam)+codeWord; |
---|
| 393 | } |
---|
| 394 | } |
---|
[2] | 395 | |
---|
[608] | 396 | #if H_3D_DIM |
---|
| 397 | Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel ) |
---|
| 398 | { |
---|
| 399 | UInt uiSymbol; |
---|
| 400 | UInt uiCount = 0; |
---|
| 401 | do |
---|
| 402 | { |
---|
| 403 | m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel ); |
---|
| 404 | uiCount++; |
---|
| 405 | } |
---|
[950] | 406 | while( uiSymbol && ( uiCount != 3 ) ); |
---|
[608] | 407 | ruiSymbol = uiCount - 1; |
---|
| 408 | |
---|
| 409 | if( uiSymbol ) |
---|
[2] | 410 | { |
---|
[608] | 411 | xReadEpExGolomb( uiSymbol, 0 ); |
---|
| 412 | ruiSymbol += uiSymbol + 1; |
---|
[2] | 413 | } |
---|
| 414 | |
---|
[608] | 415 | return; |
---|
| 416 | } |
---|
[2] | 417 | |
---|
[724] | 418 | Void TDecSbac::xParseDimDeltaDC( Pel& rValDeltaDC, UInt uiNumSeg ) |
---|
| 419 | { |
---|
| 420 | UInt absValDeltaDC = 0; |
---|
| 421 | xReadExGolombLevel( absValDeltaDC, m_cDdcDataSCModel.get(0, 0, 0) ); |
---|
| 422 | rValDeltaDC = (Pel)absValDeltaDC + ( uiNumSeg > 1 ? 0 : 1 ); |
---|
| 423 | |
---|
| 424 | if( rValDeltaDC != 0 ) |
---|
| 425 | { |
---|
| 426 | UInt uiSign; |
---|
| 427 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 428 | if ( uiSign ) |
---|
| 429 | { |
---|
| 430 | rValDeltaDC = -rValDeltaDC; |
---|
| 431 | } |
---|
| 432 | } |
---|
| 433 | } |
---|
[608] | 434 | |
---|
[724] | 435 | |
---|
[608] | 436 | #if H_3D_DIM_DMM |
---|
| 437 | Void TDecSbac::xParseDmm1WedgeIdx( UInt& ruiTabIdx, Int iNumBit ) |
---|
| 438 | { |
---|
| 439 | UInt uiSymbol, uiIdx = 0; |
---|
| 440 | for( Int i = 0; i < iNumBit; i++ ) |
---|
| 441 | { |
---|
[976] | 442 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
[608] | 443 | uiIdx += uiSymbol << i; |
---|
| 444 | } |
---|
| 445 | ruiTabIdx = uiIdx; |
---|
| 446 | } |
---|
| 447 | #endif |
---|
[2] | 448 | |
---|
[1084] | 449 | |
---|
[608] | 450 | #endif |
---|
[56] | 451 | /** Parse I_PCM information. |
---|
| 452 | * \param pcCU |
---|
| 453 | * \param uiAbsPartIdx |
---|
| 454 | * \param uiDepth |
---|
| 455 | * \returns Void |
---|
| 456 | * |
---|
| 457 | * If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes. |
---|
| 458 | */ |
---|
| 459 | Void TDecSbac::parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 460 | { |
---|
| 461 | UInt uiSymbol; |
---|
[56] | 462 | |
---|
| 463 | m_pcTDecBinIf->decodeBinTrm(uiSymbol); |
---|
[2] | 464 | |
---|
[608] | 465 | #if H_MV_ENC_DEC_TRAC |
---|
| 466 | DTRACE_CU("pcm_flag", uiSymbol) |
---|
| 467 | #endif |
---|
[56] | 468 | if (uiSymbol) |
---|
| 469 | { |
---|
| 470 | Bool bIpcmFlag = true; |
---|
| 471 | |
---|
| 472 | pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 473 | pcCU->setSizeSubParts ( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
[608] | 474 | pcCU->setTrIdxSubParts ( 0, uiAbsPartIdx, uiDepth ); |
---|
[56] | 475 | pcCU->setIPCMFlagSubParts ( bIpcmFlag, uiAbsPartIdx, uiDepth ); |
---|
[2] | 476 | |
---|
[56] | 477 | UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight(); |
---|
| 478 | UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx; |
---|
| 479 | UInt uiChromaOffset = uiLumaOffset>>2; |
---|
| 480 | |
---|
| 481 | Pel* piPCMSample; |
---|
| 482 | UInt uiWidth; |
---|
| 483 | UInt uiHeight; |
---|
| 484 | UInt uiSampleBits; |
---|
| 485 | UInt uiX, uiY; |
---|
| 486 | |
---|
| 487 | piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset; |
---|
| 488 | uiWidth = pcCU->getWidth(uiAbsPartIdx); |
---|
| 489 | uiHeight = pcCU->getHeight(uiAbsPartIdx); |
---|
| 490 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma(); |
---|
| 491 | |
---|
| 492 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 493 | { |
---|
| 494 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 495 | { |
---|
| 496 | UInt uiSample; |
---|
| 497 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 498 | piPCMSample[uiX] = uiSample; |
---|
| 499 | } |
---|
| 500 | piPCMSample += uiWidth; |
---|
| 501 | } |
---|
| 502 | |
---|
[1179] | 503 | |
---|
| 504 | #if H_3D_DISABLE_CHROMA |
---|
| 505 | if( pcCU->getSlice()->getSPS()->getChromaFormatIdc() != 0 ) |
---|
| 506 | { |
---|
| 507 | #endif |
---|
[56] | 508 | piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset; |
---|
| 509 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
| 510 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
| 511 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
| 512 | |
---|
| 513 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 514 | { |
---|
| 515 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 516 | { |
---|
| 517 | UInt uiSample; |
---|
| 518 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 519 | piPCMSample[uiX] = uiSample; |
---|
| 520 | } |
---|
| 521 | piPCMSample += uiWidth; |
---|
| 522 | } |
---|
| 523 | |
---|
| 524 | piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset; |
---|
| 525 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
| 526 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
| 527 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
| 528 | |
---|
| 529 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 530 | { |
---|
| 531 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 532 | { |
---|
| 533 | UInt uiSample; |
---|
| 534 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 535 | piPCMSample[uiX] = uiSample; |
---|
| 536 | } |
---|
| 537 | piPCMSample += uiWidth; |
---|
| 538 | } |
---|
[1179] | 539 | #if H_3D_DISABLE_CHROMA |
---|
| 540 | } |
---|
| 541 | #endif |
---|
[56] | 542 | |
---|
[1179] | 543 | |
---|
[608] | 544 | m_pcTDecBinIf->start(); |
---|
[2] | 545 | } |
---|
| 546 | } |
---|
| 547 | |
---|
[608] | 548 | Void TDecSbac::parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 549 | { |
---|
| 550 | UInt uiSymbol; |
---|
| 551 | m_pcTDecBinIf->decodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 552 | #if H_MV_ENC_DEC_TRAC |
---|
| 553 | DTRACE_CU("cu_transquant_bypass_flag", uiSymbol); |
---|
| 554 | #endif |
---|
| 555 | pcCU->setCUTransquantBypassSubParts(uiSymbol ? true : false, uiAbsPartIdx, uiDepth); |
---|
| 556 | } |
---|
| 557 | |
---|
[2] | 558 | /** parse skip flag |
---|
| 559 | * \param pcCU |
---|
| 560 | * \param uiAbsPartIdx |
---|
| 561 | * \param uiDepth |
---|
| 562 | * \returns Void |
---|
| 563 | */ |
---|
| 564 | Void TDecSbac::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 565 | { |
---|
| 566 | if( pcCU->getSlice()->isIntra() ) |
---|
| 567 | { |
---|
| 568 | return; |
---|
| 569 | } |
---|
| 570 | |
---|
| 571 | UInt uiSymbol = 0; |
---|
| 572 | UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ); |
---|
| 573 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) ); |
---|
[608] | 574 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 575 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
[2] | 576 | DTRACE_CABAC_T( "\tSkipFlag" ); |
---|
| 577 | DTRACE_CABAC_T( "\tuiCtxSkip: "); |
---|
| 578 | DTRACE_CABAC_V( uiCtxSkip ); |
---|
| 579 | DTRACE_CABAC_T( "\tuiSymbol: "); |
---|
| 580 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 581 | DTRACE_CABAC_T( "\n"); |
---|
[608] | 582 | #endif |
---|
[2] | 583 | |
---|
| 584 | if( uiSymbol ) |
---|
| 585 | { |
---|
[608] | 586 | pcCU->setSkipFlagSubParts( true, uiAbsPartIdx, uiDepth ); |
---|
| 587 | pcCU->setPredModeSubParts( MODE_INTER, uiAbsPartIdx, uiDepth ); |
---|
[2] | 588 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 589 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 590 | pcCU->setMergeFlagSubParts( true , uiAbsPartIdx, 0, uiDepth ); |
---|
| 591 | } |
---|
[608] | 592 | #if H_MV_ENC_DEC_TRAC |
---|
| 593 | DTRACE_CU("cu_skip_flag", uiSymbol); |
---|
| 594 | #endif |
---|
[2] | 595 | } |
---|
[1179] | 596 | |
---|
| 597 | #if SEC_DEPTH_INTRA_SKIP_MODE_K0033 |
---|
| 598 | Void TDecSbac::parseDIS( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 599 | { |
---|
| 600 | pcCU->setDISFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 601 | UInt uiSymbol = 0; |
---|
| 602 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUDISFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 603 | if( uiSymbol ) |
---|
| 604 | { |
---|
| 605 | pcCU->setDISFlagSubParts( true, uiAbsPartIdx, uiDepth ); |
---|
| 606 | pcCU->setSkipFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 607 | pcCU->setSDCFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 608 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 609 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 610 | pcCU->setLumaIntraDirSubParts (DC_IDX, uiAbsPartIdx, uiDepth ); |
---|
| 611 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 612 | pcCU->setMergeFlagSubParts( false , uiAbsPartIdx, 0, uiDepth ); |
---|
| 613 | pcCU->setTrIdxSubParts(0, uiAbsPartIdx, uiDepth); |
---|
| 614 | pcCU->setCbfSubParts(0, 1, 1, uiAbsPartIdx, uiDepth); |
---|
| 615 | |
---|
| 616 | UInt uiUnaryIdx = 0; |
---|
| 617 | UInt uiNumCand = 4; |
---|
| 618 | |
---|
| 619 | if ( uiNumCand > 1 ) |
---|
| 620 | { |
---|
| 621 | for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx ) |
---|
| 622 | { |
---|
| 623 | UInt uiSymbol2 = 0; |
---|
| 624 | if ( uiUnaryIdx==0 ) |
---|
| 625 | { |
---|
| 626 | m_pcTDecBinIf->decodeBin( uiSymbol2, m_cCUDISTypeSCModel.get( 0, 0, 0 ) ); |
---|
| 627 | } |
---|
| 628 | else |
---|
| 629 | { |
---|
| 630 | m_pcTDecBinIf->decodeBinEP( uiSymbol2); |
---|
| 631 | } |
---|
| 632 | if( uiSymbol2 == 0 ) |
---|
| 633 | { |
---|
| 634 | break; |
---|
| 635 | } |
---|
| 636 | } |
---|
| 637 | } |
---|
| 638 | pcCU->setDISTypeSubParts(uiUnaryIdx, uiAbsPartIdx, 0, uiDepth); |
---|
| 639 | } |
---|
| 640 | } |
---|
| 641 | #else |
---|
[1084] | 642 | #if H_3D_SINGLE_DEPTH |
---|
[1039] | 643 | Void TDecSbac::parseSingleDepthMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 644 | { |
---|
| 645 | pcCU->setSingleDepthFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 646 | UInt uiSymbol = 0; |
---|
| 647 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSingleDepthFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 648 | if( uiSymbol ) |
---|
| 649 | { |
---|
| 650 | pcCU->setSingleDepthFlagSubParts( true, uiAbsPartIdx, uiDepth ); |
---|
| 651 | pcCU->setSkipFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 652 | pcCU->setSDCFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 653 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 654 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 655 | pcCU->setLumaIntraDirSubParts (DC_IDX, uiAbsPartIdx, uiDepth ); |
---|
| 656 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 657 | pcCU->setMergeFlagSubParts( false , uiAbsPartIdx, 0, uiDepth ); |
---|
| 658 | pcCU->setTrIdxSubParts(0, uiAbsPartIdx, uiDepth); |
---|
| 659 | pcCU->setCbfSubParts(0, 1, 1, uiAbsPartIdx, uiDepth); |
---|
[2] | 660 | |
---|
[1039] | 661 | UInt absValDeltaDC = 0; |
---|
| 662 | |
---|
| 663 | UInt uiUnaryIdx = 0; |
---|
[1084] | 664 | UInt uiNumCand = SINGLE_DEPTH_MODE_CAND_LIST_SIZE; |
---|
[1039] | 665 | if ( uiNumCand > 1 ) |
---|
| 666 | { |
---|
| 667 | for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx ) |
---|
| 668 | { |
---|
| 669 | UInt uiSymbol2 = 0; |
---|
| 670 | if ( uiUnaryIdx==0 ) |
---|
| 671 | { |
---|
| 672 | m_pcTDecBinIf->decodeBin( uiSymbol2, m_cSingleDepthValueSCModel.get( 0, 0, 0 ) ); |
---|
| 673 | } |
---|
| 674 | else |
---|
| 675 | { |
---|
| 676 | m_pcTDecBinIf->decodeBinEP( uiSymbol2); |
---|
| 677 | } |
---|
| 678 | if( uiSymbol2 == 0 ) |
---|
| 679 | { |
---|
| 680 | break; |
---|
| 681 | } |
---|
| 682 | } |
---|
| 683 | } |
---|
| 684 | absValDeltaDC = uiUnaryIdx; |
---|
| 685 | pcCU->setSingleDepthValueSubParts((Pel)absValDeltaDC,uiAbsPartIdx, 0, uiDepth); |
---|
| 686 | } |
---|
| 687 | } |
---|
[1179] | 688 | #endif |
---|
| 689 | #endif |
---|
[1039] | 690 | |
---|
[2] | 691 | /** parse merge flag |
---|
| 692 | * \param pcCU |
---|
| 693 | * \param uiAbsPartIdx |
---|
| 694 | * \param uiDepth |
---|
| 695 | * \param uiPUIdx |
---|
| 696 | * \returns Void |
---|
| 697 | */ |
---|
| 698 | Void TDecSbac::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) |
---|
| 699 | { |
---|
| 700 | UInt uiSymbol; |
---|
[56] | 701 | m_pcTDecBinIf->decodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) ); |
---|
[608] | 702 | #if H_MV_ENC_DEC_TRAC |
---|
| 703 | DTRACE_PU("merge_flag", uiSymbol) |
---|
| 704 | #endif |
---|
[2] | 705 | pcCU->setMergeFlagSubParts( uiSymbol ? true : false, uiAbsPartIdx, uiPUIdx, uiDepth ); |
---|
| 706 | |
---|
[608] | 707 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 708 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
[2] | 709 | DTRACE_CABAC_T( "\tMergeFlag: " ); |
---|
| 710 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 711 | DTRACE_CABAC_T( "\tAddress: " ); |
---|
| 712 | DTRACE_CABAC_V( pcCU->getAddr() ); |
---|
| 713 | DTRACE_CABAC_T( "\tuiAbsPartIdx: " ); |
---|
| 714 | DTRACE_CABAC_V( uiAbsPartIdx ); |
---|
| 715 | DTRACE_CABAC_T( "\n" ); |
---|
[608] | 716 | #endif |
---|
[2] | 717 | } |
---|
| 718 | |
---|
[608] | 719 | Void TDecSbac::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex ) |
---|
[2] | 720 | { |
---|
[56] | 721 | UInt uiUnaryIdx = 0; |
---|
[608] | 722 | UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand(); |
---|
[56] | 723 | if ( uiNumCand > 1 ) |
---|
[2] | 724 | { |
---|
[56] | 725 | for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx ) |
---|
[2] | 726 | { |
---|
[56] | 727 | UInt uiSymbol = 0; |
---|
| 728 | if ( uiUnaryIdx==0 ) |
---|
[2] | 729 | { |
---|
[56] | 730 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 731 | } |
---|
[56] | 732 | else |
---|
| 733 | { |
---|
| 734 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 735 | } |
---|
| 736 | if( uiSymbol == 0 ) |
---|
[2] | 737 | { |
---|
[56] | 738 | break; |
---|
[2] | 739 | } |
---|
| 740 | } |
---|
[608] | 741 | #if H_MV_ENC_DEC_TRAC |
---|
| 742 | DTRACE_PU("merge_idx", uiUnaryIdx) |
---|
| 743 | #endif |
---|
[2] | 744 | } |
---|
| 745 | ruiMergeIndex = uiUnaryIdx; |
---|
| 746 | |
---|
[608] | 747 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 748 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 749 | DTRACE_CABAC_T( "\tparseMergeIndex()" ) |
---|
| 750 | DTRACE_CABAC_T( "\tuiMRGIdx= " ) |
---|
| 751 | DTRACE_CABAC_V( ruiMergeIndex ) |
---|
| 752 | DTRACE_CABAC_T( "\n" ) |
---|
[2] | 753 | #endif |
---|
| 754 | } |
---|
| 755 | |
---|
[56] | 756 | Void TDecSbac::parseMVPIdx ( Int& riMVPIdx ) |
---|
| 757 | { |
---|
| 758 | UInt uiSymbol; |
---|
| 759 | xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, AMVP_MAX_NUM_CANDS-1); |
---|
| 760 | riMVPIdx = uiSymbol; |
---|
| 761 | } |
---|
[2] | 762 | |
---|
| 763 | Void TDecSbac::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 764 | { |
---|
| 765 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 766 | { |
---|
| 767 | pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx ); |
---|
| 768 | return; |
---|
| 769 | } |
---|
[608] | 770 | |
---|
[2] | 771 | UInt uiSymbol; |
---|
[608] | 772 | #if H_3D_QTLPC |
---|
[189] | 773 | Bool bParseSplitFlag = true; |
---|
| 774 | |
---|
[1124] | 775 | |
---|
| 776 | Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag(); |
---|
[189] | 777 | TComPic *pcTexture = pcCU->getSlice()->getTexturePic(); |
---|
| 778 | Bool bDepthMapDetect = (pcTexture != NULL); |
---|
| 779 | Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE); |
---|
| 780 | |
---|
[608] | 781 | Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA); |
---|
| 782 | |
---|
[1084] | 783 | #if H_3D_FCO |
---|
[1066] | 784 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && bLimQtPredFlag && pcTexture->getReconMark()) |
---|
| 785 | #else |
---|
[1039] | 786 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && bLimQtPredFlag) |
---|
[1066] | 787 | #endif |
---|
[189] | 788 | { |
---|
| 789 | TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr()); |
---|
| 790 | assert(pcTextureCU->getDepth(uiAbsPartIdx) >= uiDepth); |
---|
| 791 | bParseSplitFlag = (pcTextureCU->getDepth(uiAbsPartIdx) > uiDepth); |
---|
| 792 | } |
---|
| 793 | |
---|
| 794 | if(bParseSplitFlag) |
---|
| 795 | { |
---|
| 796 | #endif |
---|
| 797 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) ); |
---|
[608] | 798 | #if H_MV_ENC_DEC_TRAC |
---|
| 799 | DTRACE_CU("split_cu_flag", uiSymbol); |
---|
| 800 | #else |
---|
[189] | 801 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 802 | DTRACE_CABAC_T( "\tSplitFlag\n" ) |
---|
[608] | 803 | #endif |
---|
| 804 | #if H_3D_QTLPC |
---|
[189] | 805 | } |
---|
| 806 | else |
---|
[608] | 807 | { |
---|
[189] | 808 | uiSymbol = 0; |
---|
[608] | 809 | } |
---|
[189] | 810 | #endif |
---|
[2] | 811 | pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx ); |
---|
| 812 | |
---|
| 813 | return; |
---|
| 814 | } |
---|
| 815 | |
---|
| 816 | /** parse partition size |
---|
| 817 | * \param pcCU |
---|
| 818 | * \param uiAbsPartIdx |
---|
| 819 | * \param uiDepth |
---|
| 820 | * \returns Void |
---|
| 821 | */ |
---|
| 822 | Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 823 | { |
---|
| 824 | UInt uiSymbol, uiMode = 0; |
---|
| 825 | PartSize eMode; |
---|
[189] | 826 | |
---|
[608] | 827 | #if H_3D_QTLPC |
---|
[189] | 828 | Bool bParsePartSize = true; |
---|
[1124] | 829 | |
---|
| 830 | Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag(); |
---|
[189] | 831 | TComPic *pcTexture = pcCU->getSlice()->getTexturePic(); |
---|
| 832 | Bool bDepthMapDetect = (pcTexture != NULL); |
---|
| 833 | Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE); |
---|
| 834 | |
---|
[608] | 835 | Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA); |
---|
| 836 | |
---|
[833] | 837 | Bool depthDependent = false; |
---|
| 838 | UInt uiTexturePart = uiMode; |
---|
[1084] | 839 | |
---|
| 840 | #if H_3D_FCO |
---|
[1066] | 841 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && bLimQtPredFlag && pcTexture->getReconMark()) |
---|
| 842 | #else |
---|
[1039] | 843 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && bLimQtPredFlag ) |
---|
[1066] | 844 | #endif |
---|
[189] | 845 | { |
---|
| 846 | TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr()); |
---|
| 847 | assert(pcTextureCU->getDepth(uiAbsPartIdx) >= uiDepth); |
---|
[833] | 848 | if(pcTextureCU->getDepth(uiAbsPartIdx) == uiDepth ) |
---|
[189] | 849 | { |
---|
[833] | 850 | depthDependent = true; |
---|
| 851 | uiTexturePart = pcTextureCU->getPartitionSize( uiAbsPartIdx ); |
---|
| 852 | } |
---|
| 853 | if (pcTextureCU->getDepth(uiAbsPartIdx) == uiDepth && pcTextureCU->getPartitionSize( uiAbsPartIdx ) == SIZE_2Nx2N) |
---|
| 854 | { |
---|
[189] | 855 | bParsePartSize = false; |
---|
| 856 | eMode = SIZE_2Nx2N; |
---|
| 857 | } |
---|
| 858 | } |
---|
| 859 | #endif |
---|
[608] | 860 | |
---|
[2] | 861 | |
---|
| 862 | if ( pcCU->isIntra( uiAbsPartIdx ) ) |
---|
| 863 | { |
---|
[608] | 864 | #if H_3D_QTLPC |
---|
[189] | 865 | if(bParsePartSize) |
---|
[2] | 866 | { |
---|
[189] | 867 | #endif |
---|
[608] | 868 | uiSymbol = 1; |
---|
[189] | 869 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 870 | { |
---|
| 871 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
---|
[608] | 872 | #if H_MV_ENC_DEC_TRAC |
---|
| 873 | DTRACE_CU("part_mode", uiSymbol) |
---|
| 874 | #endif |
---|
[189] | 875 | } |
---|
| 876 | eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN; |
---|
[608] | 877 | #if H_3D_QTLPC |
---|
[2] | 878 | } |
---|
[189] | 879 | #endif |
---|
[56] | 880 | UInt uiTrLevel = 0; |
---|
| 881 | UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2; |
---|
| 882 | UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2; |
---|
| 883 | uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0; |
---|
| 884 | if( eMode == SIZE_NxN ) |
---|
| 885 | { |
---|
| 886 | pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 887 | } |
---|
| 888 | else |
---|
| 889 | { |
---|
| 890 | pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 891 | } |
---|
[2] | 892 | } |
---|
| 893 | else |
---|
| 894 | { |
---|
[608] | 895 | #if H_3D_QTLPC |
---|
[189] | 896 | if(bParsePartSize) |
---|
[2] | 897 | { |
---|
[833] | 898 | if (depthDependent==false || uiTexturePart == SIZE_NxN|| uiTexturePart == SIZE_2Nx2N) |
---|
| 899 | { |
---|
| 900 | #endif |
---|
[189] | 901 | UInt uiMaxNumBits = 2; |
---|
[608] | 902 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( (g_uiMaxCUWidth>>uiDepth) == 8 && (g_uiMaxCUHeight>>uiDepth) == 8 ) ) |
---|
[2] | 903 | { |
---|
[189] | 904 | uiMaxNumBits ++; |
---|
[2] | 905 | } |
---|
[189] | 906 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
[56] | 907 | { |
---|
[189] | 908 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) ); |
---|
| 909 | if ( uiSymbol ) |
---|
| 910 | { |
---|
| 911 | break; |
---|
| 912 | } |
---|
| 913 | uiMode++; |
---|
| 914 | } |
---|
| 915 | eMode = (PartSize) uiMode; |
---|
| 916 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
---|
| 917 | { |
---|
| 918 | if (eMode == SIZE_2NxN) |
---|
| 919 | { |
---|
[872] | 920 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 3 )); |
---|
[189] | 921 | if (uiSymbol == 0) |
---|
| 922 | { |
---|
| 923 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 924 | eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD); |
---|
| 925 | } |
---|
[56] | 926 | } |
---|
[189] | 927 | else if (eMode == SIZE_Nx2N) |
---|
| 928 | { |
---|
[872] | 929 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 3 )); |
---|
[189] | 930 | if (uiSymbol == 0) |
---|
| 931 | { |
---|
| 932 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 933 | eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N); |
---|
| 934 | } |
---|
[2] | 935 | } |
---|
| 936 | } |
---|
[884] | 937 | #if H_3D_QTLPC |
---|
[833] | 938 | } |
---|
| 939 | else if(uiTexturePart == SIZE_2NxN || uiTexturePart == SIZE_2NxnU || uiTexturePart == SIZE_2NxnD) |
---|
| 940 | { |
---|
| 941 | UInt uiMaxNumBits = 1; |
---|
| 942 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
---|
| 943 | { |
---|
| 944 | uiMaxNumBits ++; |
---|
| 945 | } |
---|
| 946 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
| 947 | { |
---|
| 948 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) ); |
---|
| 949 | if ( uiSymbol ) |
---|
| 950 | { |
---|
| 951 | break; |
---|
| 952 | } |
---|
| 953 | uiMode++; |
---|
| 954 | } |
---|
| 955 | eMode = (PartSize) uiMode; |
---|
| 956 | if(uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) && uiSymbol==1 ) |
---|
| 957 | { |
---|
| 958 | eMode = SIZE_2NxN; |
---|
| 959 | } |
---|
| 960 | else if (uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth )==0 && uiSymbol==0) |
---|
| 961 | { |
---|
| 962 | eMode = SIZE_2NxN; |
---|
| 963 | } |
---|
| 964 | else if (uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) && uiSymbol==0) |
---|
| 965 | { |
---|
| 966 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 967 | eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD); |
---|
| 968 | } |
---|
| 969 | } |
---|
| 970 | else if(uiTexturePart == SIZE_Nx2N|| uiTexturePart==SIZE_nLx2N || uiTexturePart==SIZE_nRx2N) |
---|
| 971 | { |
---|
| 972 | UInt uiMaxNumBits = 1; |
---|
| 973 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
---|
| 974 | { |
---|
| 975 | uiMaxNumBits ++; |
---|
| 976 | } |
---|
| 977 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
| 978 | { |
---|
| 979 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) ); |
---|
| 980 | if ( uiSymbol ) |
---|
| 981 | { |
---|
| 982 | break; |
---|
| 983 | } |
---|
| 984 | uiMode++; |
---|
| 985 | } |
---|
| 986 | eMode = (PartSize) uiMode; |
---|
| 987 | if(uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) && uiSymbol==1 ) |
---|
| 988 | { |
---|
| 989 | eMode = SIZE_Nx2N; |
---|
| 990 | } |
---|
| 991 | else if (uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth )==0 && uiSymbol==0) |
---|
| 992 | { |
---|
| 993 | eMode = SIZE_Nx2N; |
---|
| 994 | } |
---|
| 995 | else if (uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) && uiSymbol==0) |
---|
| 996 | { |
---|
| 997 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 998 | eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N); |
---|
| 999 | } |
---|
| 1000 | } |
---|
| 1001 | else |
---|
[884] | 1002 | { |
---|
[833] | 1003 | assert(0); |
---|
[884] | 1004 | } |
---|
[964] | 1005 | #endif |
---|
[608] | 1006 | #if H_MV_ENC_DEC_TRAC |
---|
| 1007 | DTRACE_CU("part_mode", eMode ) |
---|
| 1008 | #endif |
---|
[964] | 1009 | #if H_3D_QTLPC |
---|
[2] | 1010 | } |
---|
[189] | 1011 | #endif |
---|
[2] | 1012 | } |
---|
| 1013 | pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth ); |
---|
| 1014 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 1015 | } |
---|
| 1016 | |
---|
| 1017 | /** parse prediction mode |
---|
| 1018 | * \param pcCU |
---|
| 1019 | * \param uiAbsPartIdx |
---|
| 1020 | * \param uiDepth |
---|
| 1021 | * \returns Void |
---|
| 1022 | */ |
---|
| 1023 | Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1024 | { |
---|
| 1025 | if( pcCU->getSlice()->isIntra() ) |
---|
| 1026 | { |
---|
| 1027 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 1028 | return; |
---|
| 1029 | } |
---|
| 1030 | |
---|
| 1031 | UInt uiSymbol; |
---|
| 1032 | Int iPredMode = MODE_INTER; |
---|
[56] | 1033 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 1034 | iPredMode += uiSymbol; |
---|
[608] | 1035 | #if H_MV_ENC_DEC_TRAC |
---|
| 1036 | DTRACE_CU("pred_mode_flag", uiSymbol) |
---|
| 1037 | #endif |
---|
[2] | 1038 | pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 1039 | } |
---|
[608] | 1040 | |
---|
| 1041 | Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
[443] | 1042 | { |
---|
[608] | 1043 | PartSize mode = pcCU->getPartitionSize( absPartIdx ); |
---|
| 1044 | UInt partNum = mode==SIZE_NxN?4:1; |
---|
| 1045 | UInt partOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2; |
---|
| 1046 | UInt mpmPred[4],symbol; |
---|
| 1047 | Int j,intraPredMode; |
---|
| 1048 | if (mode==SIZE_NxN) |
---|
[443] | 1049 | { |
---|
[608] | 1050 | depth++; |
---|
[443] | 1051 | } |
---|
[608] | 1052 | for (j=0;j<partNum;j++) |
---|
[443] | 1053 | { |
---|
[608] | 1054 | #if H_3D_DIM |
---|
[1124] | 1055 | if( pcCU->getSlice()->getIntraSdcWedgeFlag() || pcCU->getSlice()->getIntraContourFlag() ) |
---|
[443] | 1056 | { |
---|
[608] | 1057 | parseIntraDepth( pcCU, absPartIdx+partOffset*j, depth ); |
---|
[443] | 1058 | } |
---|
[608] | 1059 | if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE ) |
---|
| 1060 | { |
---|
| 1061 | #endif |
---|
| 1062 | m_pcTDecBinIf->decodeBin( symbol, m_cCUIntraPredSCModel.get( 0, 0, 0) ); |
---|
| 1063 | mpmPred[j] = symbol; |
---|
| 1064 | #if H_MV_ENC_DEC_TRAC |
---|
| 1065 | DTRACE_CU("prev_intra_luma_pred_flag", symbol) |
---|
| 1066 | #endif |
---|
| 1067 | #if H_3D_DIM |
---|
| 1068 | } |
---|
| 1069 | #endif |
---|
[443] | 1070 | } |
---|
[608] | 1071 | for (j=0;j<partNum;j++) |
---|
[443] | 1072 | { |
---|
[608] | 1073 | #if H_3D_DIM |
---|
| 1074 | if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE ) |
---|
[443] | 1075 | { |
---|
[608] | 1076 | #endif |
---|
| 1077 | Int preds[3] = {-1, -1, -1}; |
---|
| 1078 | Int predNum = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds); |
---|
| 1079 | if (mpmPred[j]) |
---|
| 1080 | { |
---|
| 1081 | m_pcTDecBinIf->decodeBinEP( symbol ); |
---|
| 1082 | if (symbol) |
---|
| 1083 | { |
---|
| 1084 | m_pcTDecBinIf->decodeBinEP( symbol ); |
---|
| 1085 | symbol++; |
---|
[443] | 1086 | } |
---|
[608] | 1087 | #if H_MV_ENC_DEC_TRAC |
---|
| 1088 | DTRACE_CU("mpm_idx", symbol) |
---|
| 1089 | #endif |
---|
| 1090 | intraPredMode = preds[symbol]; |
---|
[443] | 1091 | } |
---|
| 1092 | else |
---|
| 1093 | { |
---|
[608] | 1094 | m_pcTDecBinIf->decodeBinsEP( symbol, 5 ); |
---|
| 1095 | intraPredMode = symbol; |
---|
| 1096 | #if H_MV_ENC_DEC_TRAC |
---|
| 1097 | DTRACE_CU("rem_intra_luma_pred_mode", symbol) |
---|
| 1098 | #endif |
---|
| 1099 | //postponed sorting of MPMs (only in remaining branch) |
---|
| 1100 | if (preds[0] > preds[1]) |
---|
[443] | 1101 | { |
---|
[608] | 1102 | std::swap(preds[0], preds[1]); |
---|
[443] | 1103 | } |
---|
[608] | 1104 | if (preds[0] > preds[2]) |
---|
[443] | 1105 | { |
---|
[608] | 1106 | std::swap(preds[0], preds[2]); |
---|
[443] | 1107 | } |
---|
[608] | 1108 | if (preds[1] > preds[2]) |
---|
| 1109 | { |
---|
| 1110 | std::swap(preds[1], preds[2]); |
---|
| 1111 | } |
---|
| 1112 | for ( Int i = 0; i < predNum; i++ ) |
---|
| 1113 | { |
---|
| 1114 | intraPredMode += ( intraPredMode >= preds[i] ); |
---|
| 1115 | } |
---|
[443] | 1116 | } |
---|
[608] | 1117 | pcCU->setLumaIntraDirSubParts( (UChar)intraPredMode, absPartIdx+partOffset*j, depth ); |
---|
| 1118 | #if H_3D_DIM |
---|
| 1119 | } |
---|
| 1120 | #endif |
---|
[443] | 1121 | } |
---|
| 1122 | } |
---|
[608] | 1123 | |
---|
| 1124 | Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[443] | 1125 | { |
---|
[608] | 1126 | UInt uiSymbol; |
---|
| 1127 | |
---|
| 1128 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 0 ) ); |
---|
| 1129 | |
---|
| 1130 | if( uiSymbol == 0 ) |
---|
[443] | 1131 | { |
---|
[608] | 1132 | #if H_MV_ENC_DEC_TRAC |
---|
| 1133 | DTRACE_CU("intra_chroma_pred_mode", uiSymbol ) |
---|
| 1134 | #endif |
---|
| 1135 | uiSymbol = DM_CHROMA_IDX; |
---|
[443] | 1136 | } |
---|
[608] | 1137 | else |
---|
[443] | 1138 | { |
---|
[608] | 1139 | { |
---|
| 1140 | UInt uiIPredMode; |
---|
| 1141 | m_pcTDecBinIf->decodeBinsEP( uiIPredMode, 2 ); |
---|
| 1142 | #if H_MV_ENC_DEC_TRAC |
---|
| 1143 | DTRACE_CU("intra_chroma_pred_mode", uiIPredMode ) |
---|
| 1144 | #endif |
---|
| 1145 | UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ]; |
---|
| 1146 | pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir ); |
---|
| 1147 | uiSymbol = uiAllowedChromaDir[ uiIPredMode ]; |
---|
| 1148 | } |
---|
[443] | 1149 | } |
---|
[608] | 1150 | pcCU->setChromIntraDirSubParts( uiSymbol, uiAbsPartIdx, uiDepth ); |
---|
| 1151 | return; |
---|
| 1152 | } |
---|
| 1153 | |
---|
| 1154 | #if H_3D_DIM |
---|
| 1155 | Void TDecSbac::parseIntraDepth( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
| 1156 | { |
---|
| 1157 | parseIntraDepthMode( pcCU, absPartIdx, depth ); |
---|
| 1158 | |
---|
| 1159 | UInt dir = pcCU->getLumaIntraDir( absPartIdx ); |
---|
| 1160 | UInt dimType = getDimType( dir ); |
---|
| 1161 | |
---|
| 1162 | switch( dimType ) |
---|
[443] | 1163 | { |
---|
[608] | 1164 | #if H_3D_DIM_DMM |
---|
| 1165 | case( DMM1_IDX ): |
---|
[443] | 1166 | { |
---|
[608] | 1167 | UInt uiTabIdx = 0; |
---|
| 1168 | xParseDmm1WedgeIdx( uiTabIdx, g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] ); |
---|
[1124] | 1169 | |
---|
| 1170 | assert( uiTabIdx < g_dmmWedgeLists[ g_aucConvertToBit[ pcCU->getDMM1BasePatternWidth( pcCU->getWidth( absPartIdx ) )]].size()); |
---|
| 1171 | |
---|
[608] | 1172 | pcCU->setDmmWedgeTabIdxSubParts( uiTabIdx, dimType, absPartIdx, depth ); |
---|
| 1173 | } break; |
---|
| 1174 | case( DMM4_IDX ): break; |
---|
| 1175 | #endif |
---|
| 1176 | default: break; |
---|
| 1177 | } |
---|
[443] | 1178 | |
---|
[608] | 1179 | pcCU->setLumaIntraDirSubParts( (UChar)dir, absPartIdx, depth ); |
---|
| 1180 | } |
---|
[443] | 1181 | |
---|
[608] | 1182 | Void TDecSbac::parseIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
[2] | 1183 | { |
---|
[833] | 1184 | UInt uiSymbol, uiIsDimMode; |
---|
| 1185 | |
---|
| 1186 | if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed |
---|
| 1187 | { |
---|
[950] | 1188 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cAngleFlagSCModel.get( 0, 0, 0 ) ); |
---|
[833] | 1189 | } |
---|
| 1190 | else |
---|
| 1191 | { |
---|
| 1192 | uiSymbol = 1; |
---|
| 1193 | } |
---|
| 1194 | uiIsDimMode = uiSymbol ? 0 : 1; |
---|
| 1195 | pcCU->setLumaIntraDirSubParts( 0, absPartIdx, depth ); |
---|
| 1196 | |
---|
| 1197 | //decode DMM index |
---|
| 1198 | if( uiIsDimMode ) |
---|
| 1199 | { |
---|
[1124] | 1200 | if( pcCU->getSlice()->getIntraSdcWedgeFlag() && pcCU->getSlice()->getIntraContourFlag() ) |
---|
[1039] | 1201 | { |
---|
| 1202 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDepthIntraModeSCModel.get( 0, 0, 0 ) ); |
---|
| 1203 | if( !uiSymbol ) |
---|
| 1204 | { |
---|
| 1205 | pcCU->setLumaIntraDirSubParts( DIM_OFFSET, absPartIdx, depth ); |
---|
| 1206 | } |
---|
| 1207 | else |
---|
| 1208 | { |
---|
| 1209 | pcCU->setLumaIntraDirSubParts( ( 1+ DIM_OFFSET ), absPartIdx, depth ); |
---|
| 1210 | } |
---|
| 1211 | } |
---|
[1124] | 1212 | else if ( pcCU->getSlice()->getIntraSdcWedgeFlag() ) |
---|
[1039] | 1213 | { |
---|
| 1214 | pcCU->setLumaIntraDirSubParts( DIM_OFFSET, absPartIdx, depth ); |
---|
| 1215 | } |
---|
[1124] | 1216 | else if( pcCU->getSlice()->getIntraContourFlag() ) |
---|
[1039] | 1217 | { |
---|
| 1218 | pcCU->setLumaIntraDirSubParts( ( 1+ DIM_OFFSET ), absPartIdx, depth ); |
---|
| 1219 | } |
---|
[833] | 1220 | } |
---|
| 1221 | } |
---|
[2] | 1222 | #endif |
---|
| 1223 | |
---|
[608] | 1224 | Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx ) |
---|
[2] | 1225 | { |
---|
| 1226 | UInt uiSymbol; |
---|
[608] | 1227 | const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx ); |
---|
| 1228 | ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 ); |
---|
| 1229 | uiSymbol = 0; |
---|
| 1230 | if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N || pcCU->getHeight(uiAbsPartIdx) != 8 ) |
---|
[2] | 1231 | { |
---|
[608] | 1232 | m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + uiCtx ) ); |
---|
[2] | 1233 | } |
---|
| 1234 | |
---|
[56] | 1235 | if( uiSymbol ) |
---|
[2] | 1236 | { |
---|
| 1237 | uiSymbol = 2; |
---|
| 1238 | } |
---|
[608] | 1239 | else |
---|
| 1240 | { |
---|
| 1241 | m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + 4 ) ); |
---|
| 1242 | assert(uiSymbol == 0 || uiSymbol == 1); |
---|
| 1243 | } |
---|
[56] | 1244 | |
---|
[2] | 1245 | uiSymbol++; |
---|
| 1246 | ruiInterDir = uiSymbol; |
---|
[608] | 1247 | #if H_MV_ENC_DEC_TRAC |
---|
| 1248 | DTRACE_PU("inter_pred_idc", ruiInterDir - 1 ) |
---|
| 1249 | #endif |
---|
| 1250 | |
---|
[2] | 1251 | return; |
---|
| 1252 | } |
---|
| 1253 | |
---|
[608] | 1254 | Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList ) |
---|
[2] | 1255 | { |
---|
| 1256 | UInt uiSymbol; |
---|
| 1257 | { |
---|
[56] | 1258 | ContextModel *pCtx = m_cCURefPicSCModel.get( 0 ); |
---|
| 1259 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
[2] | 1260 | |
---|
[56] | 1261 | if( uiSymbol ) |
---|
[2] | 1262 | { |
---|
[608] | 1263 | UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2; |
---|
| 1264 | pCtx++; |
---|
| 1265 | UInt ui; |
---|
| 1266 | for( ui = 0; ui < uiRefNum; ++ui ) |
---|
| 1267 | { |
---|
| 1268 | if( ui == 0 ) |
---|
| 1269 | { |
---|
| 1270 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
| 1271 | } |
---|
| 1272 | else |
---|
| 1273 | { |
---|
| 1274 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 1275 | } |
---|
| 1276 | if( uiSymbol == 0 ) |
---|
| 1277 | { |
---|
| 1278 | break; |
---|
| 1279 | } |
---|
| 1280 | } |
---|
| 1281 | uiSymbol = ui + 1; |
---|
[2] | 1282 | } |
---|
| 1283 | riRefFrmIdx = uiSymbol; |
---|
| 1284 | } |
---|
[608] | 1285 | |
---|
| 1286 | #if H_MV_ENC_DEC_TRAC |
---|
| 1287 | #if ENC_DEC_TRACE |
---|
| 1288 | if ( eRefList == REF_PIC_LIST_0 ) |
---|
| 1289 | { |
---|
| 1290 | DTRACE_PU("ref_idx_l0", uiSymbol) |
---|
| 1291 | } |
---|
[2] | 1292 | else |
---|
| 1293 | { |
---|
[608] | 1294 | DTRACE_PU("ref_idx_l1", uiSymbol) |
---|
[2] | 1295 | } |
---|
[608] | 1296 | #endif |
---|
| 1297 | #endif |
---|
[2] | 1298 | return; |
---|
| 1299 | } |
---|
| 1300 | |
---|
[56] | 1301 | Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
[2] | 1302 | { |
---|
| 1303 | UInt uiSymbol; |
---|
[56] | 1304 | UInt uiHorAbs; |
---|
| 1305 | UInt uiVerAbs; |
---|
| 1306 | UInt uiHorSign = 0; |
---|
| 1307 | UInt uiVerSign = 0; |
---|
| 1308 | ContextModel *pCtx = m_cCUMvdSCModel.get( 0 ); |
---|
[2] | 1309 | |
---|
[56] | 1310 | if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3) |
---|
| 1311 | { |
---|
| 1312 | uiHorAbs=0; |
---|
| 1313 | uiVerAbs=0; |
---|
| 1314 | } |
---|
| 1315 | else |
---|
| 1316 | { |
---|
| 1317 | m_pcTDecBinIf->decodeBin( uiHorAbs, *pCtx ); |
---|
| 1318 | m_pcTDecBinIf->decodeBin( uiVerAbs, *pCtx ); |
---|
[2] | 1319 | |
---|
[56] | 1320 | const Bool bHorAbsGr0 = uiHorAbs != 0; |
---|
| 1321 | const Bool bVerAbsGr0 = uiVerAbs != 0; |
---|
| 1322 | pCtx++; |
---|
| 1323 | |
---|
| 1324 | if( bHorAbsGr0 ) |
---|
| 1325 | { |
---|
| 1326 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
| 1327 | uiHorAbs += uiSymbol; |
---|
| 1328 | } |
---|
| 1329 | |
---|
| 1330 | if( bVerAbsGr0 ) |
---|
| 1331 | { |
---|
| 1332 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
| 1333 | uiVerAbs += uiSymbol; |
---|
| 1334 | } |
---|
| 1335 | |
---|
| 1336 | if( bHorAbsGr0 ) |
---|
| 1337 | { |
---|
| 1338 | if( 2 == uiHorAbs ) |
---|
| 1339 | { |
---|
| 1340 | xReadEpExGolomb( uiSymbol, 1 ); |
---|
| 1341 | uiHorAbs += uiSymbol; |
---|
| 1342 | } |
---|
| 1343 | |
---|
| 1344 | m_pcTDecBinIf->decodeBinEP( uiHorSign ); |
---|
| 1345 | } |
---|
| 1346 | |
---|
| 1347 | if( bVerAbsGr0 ) |
---|
| 1348 | { |
---|
| 1349 | if( 2 == uiVerAbs ) |
---|
| 1350 | { |
---|
| 1351 | xReadEpExGolomb( uiSymbol, 1 ); |
---|
| 1352 | uiVerAbs += uiSymbol; |
---|
| 1353 | } |
---|
| 1354 | |
---|
| 1355 | m_pcTDecBinIf->decodeBinEP( uiVerSign ); |
---|
| 1356 | } |
---|
| 1357 | |
---|
| 1358 | } |
---|
[2] | 1359 | |
---|
[56] | 1360 | const TComMv cMv( uiHorSign ? -Int( uiHorAbs ): uiHorAbs, uiVerSign ? -Int( uiVerAbs ) : uiVerAbs ); |
---|
| 1361 | pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiDepth, uiPartIdx ); |
---|
[2] | 1362 | return; |
---|
| 1363 | } |
---|
| 1364 | |
---|
| 1365 | |
---|
| 1366 | Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) |
---|
| 1367 | { |
---|
| 1368 | m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) ); |
---|
[608] | 1369 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1370 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1371 | DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" ) |
---|
| 1372 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1373 | DTRACE_CABAC_V( ruiSubdivFlag ) |
---|
| 1374 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1375 | DTRACE_CABAC_V( uiLog2TransformBlockSize ) |
---|
| 1376 | DTRACE_CABAC_T( "\n" ) |
---|
[1179] | 1377 | #else |
---|
| 1378 | DTRACE_TU("split_transform_flag", ruiSubdivFlag ) |
---|
[608] | 1379 | #endif |
---|
[2] | 1380 | } |
---|
| 1381 | |
---|
[608] | 1382 | Void TDecSbac::parseQtRootCbf( UInt uiAbsPartIdx, UInt& uiQtRootCbf ) |
---|
[2] | 1383 | { |
---|
| 1384 | UInt uiSymbol; |
---|
[56] | 1385 | const UInt uiCtx = 0; |
---|
[2] | 1386 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) ); |
---|
[608] | 1387 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1388 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1389 | DTRACE_CABAC_T( "\tparseQtRootCbf()" ) |
---|
| 1390 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1391 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1392 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1393 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1394 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1395 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1396 | DTRACE_CABAC_T( "\n" ) |
---|
[608] | 1397 | #else |
---|
| 1398 | DTRACE_CU( "rqt_root_cbf", uiSymbol ) |
---|
| 1399 | #endif |
---|
[2] | 1400 | |
---|
| 1401 | uiQtRootCbf = uiSymbol; |
---|
| 1402 | } |
---|
| 1403 | |
---|
| 1404 | Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1405 | { |
---|
[56] | 1406 | Int qp; |
---|
[2] | 1407 | UInt uiDQp; |
---|
| 1408 | Int iDQp; |
---|
| 1409 | |
---|
[608] | 1410 | UInt uiSymbol; |
---|
| 1411 | |
---|
| 1412 | xReadUnaryMaxSymbol (uiDQp, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX); |
---|
| 1413 | |
---|
| 1414 | if( uiDQp >= CU_DQP_TU_CMAX) |
---|
[2] | 1415 | { |
---|
[608] | 1416 | xReadEpExGolomb( uiSymbol, CU_DQP_EG_k ); |
---|
| 1417 | uiDQp+=uiSymbol; |
---|
[2] | 1418 | } |
---|
[608] | 1419 | |
---|
| 1420 | if ( uiDQp > 0 ) |
---|
[2] | 1421 | { |
---|
[56] | 1422 | UInt uiSign; |
---|
| 1423 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); |
---|
| 1424 | m_pcTDecBinIf->decodeBinEP(uiSign); |
---|
[608] | 1425 | iDQp = uiDQp; |
---|
[56] | 1426 | if(uiSign) |
---|
[2] | 1427 | { |
---|
| 1428 | iDQp = -iDQp; |
---|
| 1429 | } |
---|
[56] | 1430 | qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+qpBdOffsetY)) - qpBdOffsetY; |
---|
[2] | 1431 | } |
---|
[608] | 1432 | else |
---|
| 1433 | { |
---|
| 1434 | qp = pcCU->getRefQP(uiAbsPartIdx); |
---|
| 1435 | } |
---|
| 1436 | pcCU->setQPSubParts(qp, uiAbsPartIdx, uiDepth); |
---|
| 1437 | pcCU->setCodedQP(qp); |
---|
[2] | 1438 | } |
---|
| 1439 | |
---|
| 1440 | Void TDecSbac::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) |
---|
| 1441 | { |
---|
| 1442 | UInt uiSymbol; |
---|
[608] | 1443 | const UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth ); |
---|
[56] | 1444 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA: eType, uiCtx ) ); |
---|
[608] | 1445 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1446 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1447 | DTRACE_CABAC_T( "\tparseQtCbf()" ) |
---|
| 1448 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1449 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1450 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1451 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1452 | DTRACE_CABAC_T( "\tetype=" ) |
---|
| 1453 | DTRACE_CABAC_V( eType ) |
---|
| 1454 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1455 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1456 | DTRACE_CABAC_T( "\n" ) |
---|
[1179] | 1457 | #else |
---|
| 1458 | if ( eType == TEXT_CHROMA_U ) |
---|
| 1459 | { |
---|
| 1460 | DTRACE_TU("cbf_cb", uiSymbol ) |
---|
| 1461 | } |
---|
| 1462 | else if ( eType == TEXT_CHROMA_V ) |
---|
| 1463 | { |
---|
| 1464 | DTRACE_TU("cbf_cr", uiSymbol ) |
---|
| 1465 | } |
---|
| 1466 | else |
---|
| 1467 | { |
---|
| 1468 | DTRACE_TU("cbf_luma", uiSymbol ) |
---|
| 1469 | } |
---|
[608] | 1470 | #endif |
---|
[2] | 1471 | |
---|
| 1472 | pcCU->setCbfSubParts( uiSymbol << uiTrDepth, eType, uiAbsPartIdx, uiDepth ); |
---|
| 1473 | } |
---|
| 1474 | |
---|
[608] | 1475 | void TDecSbac::parseTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, UInt uiDepth, TextType eTType) |
---|
| 1476 | { |
---|
| 1477 | if (pcCU->getCUTransquantBypass(uiAbsPartIdx)) |
---|
| 1478 | { |
---|
| 1479 | return; |
---|
| 1480 | } |
---|
| 1481 | if(width != 4 || height != 4) |
---|
| 1482 | { |
---|
| 1483 | return; |
---|
| 1484 | } |
---|
| 1485 | |
---|
| 1486 | UInt useTransformSkip; |
---|
| 1487 | m_pcTDecBinIf->decodeBin( useTransformSkip , m_cTransformSkipSCModel.get( 0, eTType? TEXT_CHROMA: TEXT_LUMA, 0 ) ); |
---|
| 1488 | if(eTType!= TEXT_LUMA) |
---|
| 1489 | { |
---|
| 1490 | const UInt uiLog2TrafoSize = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxCUWidth()] + 2 - uiDepth; |
---|
| 1491 | if(uiLog2TrafoSize == 2) |
---|
| 1492 | { |
---|
| 1493 | uiDepth --; |
---|
| 1494 | } |
---|
| 1495 | } |
---|
| 1496 | #if !H_MV_ENC_DEC_TRAC |
---|
| 1497 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 1498 | DTRACE_CABAC_T("\tparseTransformSkip()"); |
---|
| 1499 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1500 | DTRACE_CABAC_V( useTransformSkip ) |
---|
| 1501 | DTRACE_CABAC_T( "\tAddr=" ) |
---|
| 1502 | DTRACE_CABAC_V( pcCU->getAddr() ) |
---|
| 1503 | DTRACE_CABAC_T( "\tetype=" ) |
---|
| 1504 | DTRACE_CABAC_V( eTType ) |
---|
| 1505 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1506 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1507 | DTRACE_CABAC_T( "\n" ) |
---|
| 1508 | #endif |
---|
| 1509 | |
---|
| 1510 | pcCU->setTransformSkipSubParts( useTransformSkip, eTType, uiAbsPartIdx, uiDepth); |
---|
| 1511 | } |
---|
| 1512 | |
---|
[2] | 1513 | /** Parse (X,Y) position of the last significant coefficient |
---|
| 1514 | * \param uiPosLastX reference to X component of last coefficient |
---|
| 1515 | * \param uiPosLastY reference to Y component of last coefficient |
---|
[56] | 1516 | * \param width Block width |
---|
| 1517 | * \param height Block height |
---|
[2] | 1518 | * \param eTType plane type / luminance or chrominance |
---|
| 1519 | * \param uiScanIdx scan type (zig-zag, hor, ver) |
---|
[56] | 1520 | * |
---|
[2] | 1521 | * This method decodes the X and Y component within a block of the last significant coefficient. |
---|
| 1522 | */ |
---|
[56] | 1523 | Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx ) |
---|
[2] | 1524 | { |
---|
| 1525 | UInt uiLast; |
---|
[56] | 1526 | ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType ); |
---|
| 1527 | ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType ); |
---|
[2] | 1528 | |
---|
[608] | 1529 | Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY; |
---|
| 1530 | blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2)); |
---|
| 1531 | blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2)); |
---|
| 1532 | shiftX= eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2); |
---|
| 1533 | shiftY= eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2); |
---|
[56] | 1534 | // posX |
---|
| 1535 | for( uiPosLastX = 0; uiPosLastX < g_uiGroupIdx[ width - 1 ]; uiPosLastX++ ) |
---|
[2] | 1536 | { |
---|
[608] | 1537 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + blkSizeOffsetX + (uiPosLastX >>shiftX) ) ); |
---|
[56] | 1538 | if( !uiLast ) |
---|
| 1539 | { |
---|
[2] | 1540 | break; |
---|
| 1541 | } |
---|
| 1542 | } |
---|
| 1543 | |
---|
[56] | 1544 | // posY |
---|
| 1545 | for( uiPosLastY = 0; uiPosLastY < g_uiGroupIdx[ height - 1 ]; uiPosLastY++ ) |
---|
[2] | 1546 | { |
---|
[608] | 1547 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + blkSizeOffsetY + (uiPosLastY >>shiftY)) ); |
---|
[56] | 1548 | if( !uiLast ) |
---|
| 1549 | { |
---|
[2] | 1550 | break; |
---|
| 1551 | } |
---|
| 1552 | } |
---|
[56] | 1553 | if ( uiPosLastX > 3 ) |
---|
| 1554 | { |
---|
| 1555 | UInt uiTemp = 0; |
---|
| 1556 | UInt uiCount = ( uiPosLastX - 2 ) >> 1; |
---|
| 1557 | for ( Int i = uiCount - 1; i >= 0; i-- ) |
---|
| 1558 | { |
---|
| 1559 | m_pcTDecBinIf->decodeBinEP( uiLast ); |
---|
| 1560 | uiTemp += uiLast << i; |
---|
| 1561 | } |
---|
| 1562 | uiPosLastX = g_uiMinInGroup[ uiPosLastX ] + uiTemp; |
---|
| 1563 | } |
---|
| 1564 | if ( uiPosLastY > 3 ) |
---|
| 1565 | { |
---|
| 1566 | UInt uiTemp = 0; |
---|
| 1567 | UInt uiCount = ( uiPosLastY - 2 ) >> 1; |
---|
| 1568 | for ( Int i = uiCount - 1; i >= 0; i-- ) |
---|
| 1569 | { |
---|
| 1570 | m_pcTDecBinIf->decodeBinEP( uiLast ); |
---|
| 1571 | uiTemp += uiLast << i; |
---|
| 1572 | } |
---|
| 1573 | uiPosLastY = g_uiMinInGroup[ uiPosLastY ] + uiTemp; |
---|
| 1574 | } |
---|
| 1575 | |
---|
[2] | 1576 | if( uiScanIdx == SCAN_VER ) |
---|
| 1577 | { |
---|
| 1578 | swap( uiPosLastX, uiPosLastY ); |
---|
| 1579 | } |
---|
| 1580 | } |
---|
| 1581 | |
---|
| 1582 | Void TDecSbac::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) |
---|
| 1583 | { |
---|
[608] | 1584 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1585 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1586 | DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" ) |
---|
| 1587 | DTRACE_CABAC_V( eTType ) |
---|
| 1588 | DTRACE_CABAC_T( "\twidth=" ) |
---|
| 1589 | DTRACE_CABAC_V( uiWidth ) |
---|
| 1590 | DTRACE_CABAC_T( "\theight=" ) |
---|
| 1591 | DTRACE_CABAC_V( uiHeight ) |
---|
| 1592 | DTRACE_CABAC_T( "\tdepth=" ) |
---|
| 1593 | DTRACE_CABAC_V( uiDepth ) |
---|
| 1594 | DTRACE_CABAC_T( "\tabspartidx=" ) |
---|
| 1595 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1596 | DTRACE_CABAC_T( "\ttoCU-X=" ) |
---|
| 1597 | DTRACE_CABAC_V( pcCU->getCUPelX() ) |
---|
| 1598 | DTRACE_CABAC_T( "\ttoCU-Y=" ) |
---|
| 1599 | DTRACE_CABAC_V( pcCU->getCUPelY() ) |
---|
| 1600 | DTRACE_CABAC_T( "\tCU-addr=" ) |
---|
| 1601 | DTRACE_CABAC_V( pcCU->getAddr() ) |
---|
| 1602 | DTRACE_CABAC_T( "\tinCU-X=" ) |
---|
| 1603 | DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1604 | DTRACE_CABAC_T( "\tinCU-Y=" ) |
---|
| 1605 | DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1606 | DTRACE_CABAC_T( "\tpredmode=" ) |
---|
| 1607 | DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) ) |
---|
| 1608 | DTRACE_CABAC_T( "\n" ) |
---|
[608] | 1609 | #endif |
---|
[2] | 1610 | |
---|
| 1611 | if( uiWidth > pcCU->getSlice()->getSPS()->getMaxTrSize() ) |
---|
| 1612 | { |
---|
| 1613 | uiWidth = pcCU->getSlice()->getSPS()->getMaxTrSize(); |
---|
| 1614 | uiHeight = pcCU->getSlice()->getSPS()->getMaxTrSize(); |
---|
| 1615 | } |
---|
[608] | 1616 | if(pcCU->getSlice()->getPPS()->getUseTransformSkip()) |
---|
| 1617 | { |
---|
| 1618 | parseTransformSkipFlags( pcCU, uiAbsPartIdx, uiWidth, uiHeight, uiDepth, eTType); |
---|
| 1619 | } |
---|
| 1620 | |
---|
[2] | 1621 | eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA ); |
---|
| 1622 | |
---|
| 1623 | //----- parse significance map ----- |
---|
| 1624 | const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2; |
---|
[56] | 1625 | const UInt uiMaxNumCoeff = uiWidth * uiHeight; |
---|
[2] | 1626 | const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1; |
---|
[56] | 1627 | UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx)); |
---|
[2] | 1628 | |
---|
[56] | 1629 | //===== decode last significant ===== |
---|
| 1630 | UInt uiPosLastX, uiPosLastY; |
---|
| 1631 | parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, uiHeight, eTType, uiScanIdx ); |
---|
| 1632 | UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockSize); |
---|
| 1633 | pcCoef[ uiBlkPosLast ] = 1; |
---|
[2] | 1634 | |
---|
[56] | 1635 | //===== decode significance flags ===== |
---|
[608] | 1636 | UInt uiScanPosLast; |
---|
| 1637 | const UInt *scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize-1 ]; |
---|
[56] | 1638 | for( uiScanPosLast = 0; uiScanPosLast < uiMaxNumCoeffM1; uiScanPosLast++ ) |
---|
| 1639 | { |
---|
| 1640 | UInt uiBlkPos = scan[ uiScanPosLast ]; |
---|
| 1641 | if( uiBlkPosLast == uiBlkPos ) |
---|
[2] | 1642 | { |
---|
[56] | 1643 | break; |
---|
[2] | 1644 | } |
---|
[56] | 1645 | } |
---|
[2] | 1646 | |
---|
[56] | 1647 | ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType ); |
---|
| 1648 | ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA; |
---|
| 1649 | |
---|
| 1650 | const Int iLastScanSet = uiScanPosLast >> LOG2_SCAN_SET_SIZE; |
---|
[608] | 1651 | UInt c1 = 1; |
---|
[56] | 1652 | UInt uiGoRiceParam = 0; |
---|
| 1653 | |
---|
| 1654 | Bool beValid; |
---|
[608] | 1655 | if (pcCU->getCUTransquantBypass(uiAbsPartIdx)) |
---|
[2] | 1656 | { |
---|
[56] | 1657 | beValid = false; |
---|
| 1658 | } |
---|
| 1659 | else |
---|
| 1660 | { |
---|
| 1661 | beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0; |
---|
| 1662 | } |
---|
| 1663 | UInt absSum = 0; |
---|
| 1664 | |
---|
| 1665 | UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ]; |
---|
| 1666 | ::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM ); |
---|
| 1667 | const UInt uiNumBlkSide = uiWidth >> (MLS_CG_SIZE >> 1); |
---|
| 1668 | const UInt * scanCG; |
---|
| 1669 | { |
---|
| 1670 | scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ]; |
---|
| 1671 | if( uiLog2BlockSize == 3 ) |
---|
[2] | 1672 | { |
---|
[56] | 1673 | scanCG = g_sigLastScan8x8[ uiScanIdx ]; |
---|
[2] | 1674 | } |
---|
[56] | 1675 | else if( uiLog2BlockSize == 5 ) |
---|
| 1676 | { |
---|
| 1677 | scanCG = g_sigLastScanCG32x32; |
---|
| 1678 | } |
---|
[2] | 1679 | } |
---|
[56] | 1680 | Int iScanPosSig = (Int) uiScanPosLast; |
---|
| 1681 | for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- ) |
---|
| 1682 | { |
---|
| 1683 | Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE; |
---|
| 1684 | uiGoRiceParam = 0; |
---|
| 1685 | Int numNonZero = 0; |
---|
| 1686 | |
---|
| 1687 | Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE; |
---|
| 1688 | |
---|
| 1689 | Int pos[SCAN_SET_SIZE]; |
---|
| 1690 | if( iScanPosSig == (Int) uiScanPosLast ) |
---|
| 1691 | { |
---|
| 1692 | lastNZPosInCG = iScanPosSig; |
---|
| 1693 | firstNZPosInCG = iScanPosSig; |
---|
| 1694 | iScanPosSig--; |
---|
| 1695 | pos[ numNonZero ] = uiBlkPosLast; |
---|
| 1696 | numNonZero = 1; |
---|
| 1697 | } |
---|
[2] | 1698 | |
---|
[608] | 1699 | // decode significant_coeffgroup_flag |
---|
| 1700 | Int iCGBlkPos = scanCG[ iSubSet ]; |
---|
| 1701 | Int iCGPosY = iCGBlkPos / uiNumBlkSide; |
---|
| 1702 | Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide); |
---|
| 1703 | if( iSubSet == iLastScanSet || iSubSet == 0) |
---|
| 1704 | { |
---|
| 1705 | uiSigCoeffGroupFlag[ iCGBlkPos ] = 1; |
---|
| 1706 | } |
---|
| 1707 | else |
---|
| 1708 | { |
---|
| 1709 | UInt uiSigCoeffGroup; |
---|
| 1710 | UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ); |
---|
| 1711 | m_pcTDecBinIf->decodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] ); |
---|
| 1712 | uiSigCoeffGroupFlag[ iCGBlkPos ] = uiSigCoeffGroup; |
---|
| 1713 | } |
---|
[56] | 1714 | |
---|
[608] | 1715 | // decode significant_coeff_flag |
---|
| 1716 | Int patternSigCtx = TComTrQuant::calcPatternSigCtx( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ); |
---|
| 1717 | UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig; |
---|
| 1718 | for( ; iScanPosSig >= iSubPos; iScanPosSig-- ) |
---|
| 1719 | { |
---|
| 1720 | uiBlkPos = scan[ iScanPosSig ]; |
---|
| 1721 | uiPosY = uiBlkPos >> uiLog2BlockSize; |
---|
| 1722 | uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize ); |
---|
| 1723 | uiSig = 0; |
---|
| 1724 | |
---|
| 1725 | if( uiSigCoeffGroupFlag[ iCGBlkPos ] ) |
---|
[56] | 1726 | { |
---|
[608] | 1727 | if( iScanPosSig > iSubPos || iSubSet == 0 || numNonZero ) |
---|
[2] | 1728 | { |
---|
[608] | 1729 | uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, uiScanIdx, uiPosX, uiPosY, uiLog2BlockSize, eTType ); |
---|
| 1730 | m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] ); |
---|
[2] | 1731 | } |
---|
[608] | 1732 | else |
---|
[2] | 1733 | { |
---|
[608] | 1734 | uiSig = 1; |
---|
[2] | 1735 | } |
---|
[56] | 1736 | } |
---|
[608] | 1737 | pcCoef[ uiBlkPos ] = uiSig; |
---|
| 1738 | if( uiSig ) |
---|
| 1739 | { |
---|
| 1740 | pos[ numNonZero ] = uiBlkPos; |
---|
| 1741 | numNonZero ++; |
---|
| 1742 | if( lastNZPosInCG == -1 ) |
---|
| 1743 | { |
---|
| 1744 | lastNZPosInCG = iScanPosSig; |
---|
| 1745 | } |
---|
| 1746 | firstNZPosInCG = iScanPosSig; |
---|
| 1747 | } |
---|
| 1748 | } |
---|
[2] | 1749 | |
---|
[56] | 1750 | if( numNonZero ) |
---|
[2] | 1751 | { |
---|
[608] | 1752 | Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD ); |
---|
[56] | 1753 | absSum = 0; |
---|
| 1754 | UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0; |
---|
| 1755 | UInt uiBin; |
---|
[608] | 1756 | if( c1 == 0 ) |
---|
[2] | 1757 | { |
---|
[56] | 1758 | uiCtxSet++; |
---|
| 1759 | } |
---|
[608] | 1760 | c1 = 1; |
---|
[56] | 1761 | ContextModel *baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 * uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet; |
---|
| 1762 | Int absCoeff[SCAN_SET_SIZE]; |
---|
| 1763 | |
---|
| 1764 | for ( Int i = 0; i < numNonZero; i++) absCoeff[i] = 1; |
---|
| 1765 | Int numC1Flag = min(numNonZero, C1FLAG_NUMBER); |
---|
| 1766 | Int firstC2FlagIdx = -1; |
---|
| 1767 | |
---|
| 1768 | for( Int idx = 0; idx < numC1Flag; idx++ ) |
---|
| 1769 | { |
---|
| 1770 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c1] ); |
---|
| 1771 | if( uiBin == 1 ) |
---|
[2] | 1772 | { |
---|
[56] | 1773 | c1 = 0; |
---|
| 1774 | if (firstC2FlagIdx == -1) |
---|
| 1775 | { |
---|
| 1776 | firstC2FlagIdx = idx; |
---|
| 1777 | } |
---|
| 1778 | } |
---|
| 1779 | else if( (c1 < 3) && (c1 > 0) ) |
---|
| 1780 | { |
---|
[2] | 1781 | c1++; |
---|
| 1782 | } |
---|
[56] | 1783 | absCoeff[ idx ] = uiBin + 1; |
---|
| 1784 | } |
---|
| 1785 | |
---|
| 1786 | if (c1 == 0) |
---|
| 1787 | { |
---|
| 1788 | baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet; |
---|
| 1789 | if ( firstC2FlagIdx != -1) |
---|
[2] | 1790 | { |
---|
[56] | 1791 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[0] ); |
---|
| 1792 | absCoeff[ firstC2FlagIdx ] = uiBin + 2; |
---|
[2] | 1793 | } |
---|
| 1794 | } |
---|
[56] | 1795 | |
---|
| 1796 | UInt coeffSigns; |
---|
| 1797 | if ( signHidden && beValid ) |
---|
| 1798 | { |
---|
| 1799 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero-1 ); |
---|
| 1800 | coeffSigns <<= 32 - (numNonZero-1); |
---|
| 1801 | } |
---|
| 1802 | else |
---|
| 1803 | { |
---|
| 1804 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero ); |
---|
| 1805 | coeffSigns <<= 32 - numNonZero; |
---|
| 1806 | } |
---|
[2] | 1807 | |
---|
[56] | 1808 | Int iFirstCoeff2 = 1; |
---|
| 1809 | if (c1 == 0 || numNonZero > C1FLAG_NUMBER) |
---|
[2] | 1810 | { |
---|
[56] | 1811 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
[2] | 1812 | { |
---|
[56] | 1813 | UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2) : 1; |
---|
[2] | 1814 | |
---|
[56] | 1815 | if( absCoeff[ idx ] == baseLevel) |
---|
[2] | 1816 | { |
---|
[56] | 1817 | UInt uiLevel; |
---|
[608] | 1818 | xReadCoefRemainExGolomb( uiLevel, uiGoRiceParam ); |
---|
[56] | 1819 | absCoeff[ idx ] = uiLevel + baseLevel; |
---|
[608] | 1820 | if(absCoeff[idx]>3*(1<<uiGoRiceParam)) |
---|
| 1821 | { |
---|
| 1822 | uiGoRiceParam = min<UInt>(uiGoRiceParam+ 1, 4); |
---|
| 1823 | } |
---|
[2] | 1824 | } |
---|
[56] | 1825 | |
---|
| 1826 | if(absCoeff[ idx ] >= 2) |
---|
[2] | 1827 | { |
---|
[56] | 1828 | iFirstCoeff2 = 0; |
---|
[2] | 1829 | } |
---|
| 1830 | } |
---|
| 1831 | } |
---|
[56] | 1832 | |
---|
| 1833 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
[2] | 1834 | { |
---|
[56] | 1835 | Int blkPos = pos[ idx ]; |
---|
| 1836 | // Signs applied later. |
---|
| 1837 | pcCoef[ blkPos ] = absCoeff[ idx ]; |
---|
| 1838 | absSum += absCoeff[ idx ]; |
---|
| 1839 | |
---|
| 1840 | if ( idx == numNonZero-1 && signHidden && beValid ) |
---|
| 1841 | { |
---|
| 1842 | // Infer sign of 1st element. |
---|
| 1843 | if (absSum&0x1) |
---|
[608] | 1844 | { |
---|
[56] | 1845 | pcCoef[ blkPos ] = -pcCoef[ blkPos ]; |
---|
[608] | 1846 | } |
---|
[56] | 1847 | } |
---|
| 1848 | else |
---|
| 1849 | { |
---|
| 1850 | Int sign = static_cast<Int>( coeffSigns ) >> 31; |
---|
| 1851 | pcCoef[ blkPos ] = ( pcCoef[ blkPos ] ^ sign ) - sign; |
---|
| 1852 | coeffSigns <<= 1; |
---|
| 1853 | } |
---|
[2] | 1854 | } |
---|
| 1855 | } |
---|
| 1856 | } |
---|
| 1857 | |
---|
| 1858 | return; |
---|
| 1859 | } |
---|
| 1860 | |
---|
[608] | 1861 | |
---|
[443] | 1862 | Void TDecSbac::parseSaoMaxUvlc ( UInt& val, UInt maxSymbol ) |
---|
| 1863 | { |
---|
[608] | 1864 | if (maxSymbol == 0) |
---|
[2] | 1865 | { |
---|
[608] | 1866 | val = 0; |
---|
[2] | 1867 | return; |
---|
| 1868 | } |
---|
[56] | 1869 | |
---|
[608] | 1870 | UInt code; |
---|
[2] | 1871 | Int i; |
---|
[608] | 1872 | m_pcTDecBinIf->decodeBinEP( code ); |
---|
| 1873 | if ( code == 0 ) |
---|
[2] | 1874 | { |
---|
[608] | 1875 | val = 0; |
---|
[2] | 1876 | return; |
---|
| 1877 | } |
---|
[56] | 1878 | |
---|
[2] | 1879 | i=1; |
---|
| 1880 | while (1) |
---|
| 1881 | { |
---|
[608] | 1882 | m_pcTDecBinIf->decodeBinEP( code ); |
---|
| 1883 | if ( code == 0 ) |
---|
| 1884 | { |
---|
| 1885 | break; |
---|
| 1886 | } |
---|
[2] | 1887 | i++; |
---|
[608] | 1888 | if (i == maxSymbol) |
---|
[56] | 1889 | { |
---|
[608] | 1890 | break; |
---|
[56] | 1891 | } |
---|
| 1892 | } |
---|
[608] | 1893 | |
---|
| 1894 | val = i; |
---|
[2] | 1895 | } |
---|
[608] | 1896 | Void TDecSbac::parseSaoUflc (UInt uiLength, UInt& riVal) |
---|
[56] | 1897 | { |
---|
[608] | 1898 | m_pcTDecBinIf->decodeBinsEP ( riVal, uiLength ); |
---|
[56] | 1899 | } |
---|
[608] | 1900 | Void TDecSbac::parseSaoMerge (UInt& ruiVal) |
---|
[2] | 1901 | { |
---|
| 1902 | UInt uiCode; |
---|
[608] | 1903 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeSCModel.get( 0, 0, 0 ) ); |
---|
[56] | 1904 | ruiVal = (Int)uiCode; |
---|
| 1905 | } |
---|
| 1906 | Void TDecSbac::parseSaoTypeIdx (UInt& ruiVal) |
---|
| 1907 | { |
---|
| 1908 | UInt uiCode; |
---|
| 1909 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) ); |
---|
[608] | 1910 | if (uiCode == 0) |
---|
[2] | 1911 | { |
---|
| 1912 | ruiVal = 0; |
---|
| 1913 | } |
---|
[608] | 1914 | else |
---|
[2] | 1915 | { |
---|
[608] | 1916 | m_pcTDecBinIf->decodeBinEP( uiCode ); |
---|
| 1917 | if (uiCode == 0) |
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| 1918 | { |
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[872] | 1919 | ruiVal = 1; |
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[608] | 1920 | } |
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| 1921 | else |
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| 1922 | { |
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[872] | 1923 | ruiVal = 2; |
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[608] | 1924 | } |
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[2] | 1925 | } |
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| 1926 | } |
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| 1927 | |
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[872] | 1928 | Void TDecSbac::parseSaoSign(UInt& val) |
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[2] | 1929 | { |
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[872] | 1930 | m_pcTDecBinIf->decodeBinEP ( val ); |
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[56] | 1931 | } |
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[608] | 1932 | |
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[872] | 1933 | Void TDecSbac::parseSAOBlkParam (SAOBlkParam& saoBlkParam |
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| 1934 | , Bool* sliceEnabled |
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| 1935 | , Bool leftMergeAvail |
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| 1936 | , Bool aboveMergeAvail |
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| 1937 | ) |
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[56] | 1938 | { |
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| 1939 | UInt uiSymbol; |
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[2] | 1940 | |
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[872] | 1941 | Bool isLeftMerge = false; |
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| 1942 | Bool isAboveMerge= false; |
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| 1943 | |
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| 1944 | if(leftMergeAvail) |
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[608] | 1945 | { |
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[872] | 1946 | parseSaoMerge(uiSymbol); //sao_merge_left_flag |
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| 1947 | isLeftMerge = (uiSymbol?true:false); |
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[608] | 1948 | } |
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[872] | 1949 | |
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| 1950 | if( aboveMergeAvail && !isLeftMerge) |
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[608] | 1951 | { |
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[872] | 1952 | parseSaoMerge(uiSymbol); //sao_merge_up_flag |
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| 1953 | isAboveMerge = (uiSymbol?true:false); |
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[608] | 1954 | } |
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| 1955 | |
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[872] | 1956 | if(isLeftMerge || isAboveMerge) //merge mode |
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[56] | 1957 | { |
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[872] | 1958 | saoBlkParam[SAO_Y].modeIdc = saoBlkParam[SAO_Cb].modeIdc = saoBlkParam[SAO_Cr].modeIdc = SAO_MODE_MERGE; |
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| 1959 | saoBlkParam[SAO_Y].typeIdc = saoBlkParam[SAO_Cb].typeIdc = saoBlkParam[SAO_Cr].typeIdc = (isLeftMerge)?SAO_MERGE_LEFT:SAO_MERGE_ABOVE; |
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[56] | 1960 | } |
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[872] | 1961 | else //new or off mode |
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[608] | 1962 | { |
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[872] | 1963 | for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++) |
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[608] | 1964 | { |
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[872] | 1965 | SAOOffset& ctbParam = saoBlkParam[compIdx]; |
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| 1966 | |
---|
| 1967 | if(!sliceEnabled[compIdx]) |
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[608] | 1968 | { |
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[872] | 1969 | //off |
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| 1970 | ctbParam.modeIdc = SAO_MODE_OFF; |
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| 1971 | continue; |
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[608] | 1972 | } |
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[872] | 1973 | |
---|
| 1974 | //type |
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| 1975 | if(compIdx == SAO_Y || compIdx == SAO_Cb) |
---|
[56] | 1976 | { |
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[872] | 1977 | parseSaoTypeIdx(uiSymbol); //sao_type_idx_luma or sao_type_idx_chroma |
---|
| 1978 | |
---|
| 1979 | assert(uiSymbol ==0 || uiSymbol ==1 || uiSymbol ==2); |
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| 1980 | |
---|
| 1981 | if(uiSymbol ==0) //OFF |
---|
[608] | 1982 | { |
---|
[872] | 1983 | ctbParam.modeIdc = SAO_MODE_OFF; |
---|
[608] | 1984 | } |
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[872] | 1985 | else if(uiSymbol == 1) //BO |
---|
| 1986 | { |
---|
| 1987 | ctbParam.modeIdc = SAO_MODE_NEW; |
---|
| 1988 | ctbParam.typeIdc = SAO_TYPE_START_BO; |
---|
[56] | 1989 | } |
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[872] | 1990 | else //2, EO |
---|
[56] | 1991 | { |
---|
[872] | 1992 | ctbParam.modeIdc = SAO_MODE_NEW; |
---|
| 1993 | ctbParam.typeIdc = SAO_TYPE_START_EO; |
---|
| 1994 | } |
---|
| 1995 | |
---|
[56] | 1996 | } |
---|
[872] | 1997 | else //Cr, follow Cb SAO type |
---|
| 1998 | { |
---|
| 1999 | ctbParam.modeIdc = saoBlkParam[SAO_Cb].modeIdc; |
---|
| 2000 | ctbParam.typeIdc = saoBlkParam[SAO_Cb].typeIdc; |
---|
[56] | 2001 | } |
---|
[2] | 2002 | |
---|
[872] | 2003 | if(ctbParam.modeIdc == SAO_MODE_NEW) |
---|
[56] | 2004 | { |
---|
[872] | 2005 | Int offset[4]; |
---|
| 2006 | for(Int i=0; i< 4; i++) |
---|
[2] | 2007 | { |
---|
[872] | 2008 | parseSaoMaxUvlc(uiSymbol, g_saoMaxOffsetQVal[compIdx] ); //sao_offset_abs |
---|
| 2009 | offset[i] = (Int)uiSymbol; |
---|
| 2010 | } |
---|
[56] | 2011 | |
---|
[872] | 2012 | if(ctbParam.typeIdc == SAO_TYPE_START_BO) |
---|
[608] | 2013 | { |
---|
[872] | 2014 | for(Int i=0; i< 4; i++) |
---|
[56] | 2015 | { |
---|
[872] | 2016 | if(offset[i] != 0) |
---|
[608] | 2017 | { |
---|
[872] | 2018 | parseSaoSign(uiSymbol); //sao_offset_sign |
---|
| 2019 | if(uiSymbol) |
---|
[56] | 2020 | { |
---|
[872] | 2021 | offset[i] = -offset[i]; |
---|
[56] | 2022 | } |
---|
[608] | 2023 | } |
---|
| 2024 | } |
---|
[872] | 2025 | parseSaoUflc(NUM_SAO_BO_CLASSES_LOG2, uiSymbol ); //sao_band_position |
---|
| 2026 | ctbParam.typeAuxInfo = uiSymbol; |
---|
[608] | 2027 | |
---|
[872] | 2028 | for(Int i=0; i<4; i++) |
---|
[608] | 2029 | { |
---|
[872] | 2030 | ctbParam.offset[(ctbParam.typeAuxInfo+i)%MAX_NUM_SAO_CLASSES] = offset[i]; |
---|
[608] | 2031 | } |
---|
[56] | 2032 | |
---|
| 2033 | } |
---|
[872] | 2034 | else //EO |
---|
[56] | 2035 | { |
---|
[872] | 2036 | ctbParam.typeAuxInfo = 0; |
---|
| 2037 | |
---|
| 2038 | if(compIdx == SAO_Y || compIdx == SAO_Cb) |
---|
[56] | 2039 | { |
---|
[872] | 2040 | parseSaoUflc(NUM_SAO_EO_TYPES_LOG2, uiSymbol ); //sao_eo_class_luma or sao_eo_class_chroma |
---|
| 2041 | ctbParam.typeIdc += uiSymbol; |
---|
[56] | 2042 | } |
---|
| 2043 | else |
---|
| 2044 | { |
---|
[872] | 2045 | ctbParam.typeIdc = saoBlkParam[SAO_Cb].typeIdc; |
---|
[56] | 2046 | } |
---|
[872] | 2047 | ctbParam.offset[SAO_CLASS_EO_FULL_VALLEY] = offset[0]; |
---|
| 2048 | ctbParam.offset[SAO_CLASS_EO_HALF_VALLEY] = offset[1]; |
---|
| 2049 | ctbParam.offset[SAO_CLASS_EO_PLAIN ] = 0; |
---|
| 2050 | ctbParam.offset[SAO_CLASS_EO_HALF_PEAK ] = -offset[2]; |
---|
| 2051 | ctbParam.offset[SAO_CLASS_EO_FULL_PEAK ] = -offset[3]; |
---|
[56] | 2052 | } |
---|
| 2053 | } |
---|
| 2054 | } |
---|
[2] | 2055 | } |
---|
[56] | 2056 | } |
---|
[608] | 2057 | |
---|
[56] | 2058 | /** |
---|
| 2059 | - Initialize our contexts from the nominated source. |
---|
| 2060 | . |
---|
| 2061 | \param pSrc Contexts to be copied. |
---|
| 2062 | */ |
---|
| 2063 | Void TDecSbac::xCopyContextsFrom( TDecSbac* pSrc ) |
---|
| 2064 | { |
---|
| 2065 | memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0])); |
---|
| 2066 | } |
---|
[2] | 2067 | |
---|
[56] | 2068 | Void TDecSbac::xCopyFrom( TDecSbac* pSrc ) |
---|
| 2069 | { |
---|
| 2070 | m_pcTDecBinIf->copyState( pSrc->m_pcTDecBinIf ); |
---|
[2] | 2071 | |
---|
[56] | 2072 | m_uiLastQp = pSrc->m_uiLastQp; |
---|
| 2073 | xCopyContextsFrom( pSrc ); |
---|
| 2074 | |
---|
| 2075 | } |
---|
| 2076 | |
---|
| 2077 | Void TDecSbac::load ( TDecSbac* pScr ) |
---|
| 2078 | { |
---|
| 2079 | xCopyFrom(pScr); |
---|
| 2080 | } |
---|
| 2081 | |
---|
| 2082 | Void TDecSbac::loadContexts ( TDecSbac* pScr ) |
---|
| 2083 | { |
---|
| 2084 | xCopyContextsFrom(pScr); |
---|
| 2085 | } |
---|
| 2086 | |
---|
[608] | 2087 | #if H_3D_ARP |
---|
| 2088 | Void TDecSbac::parseARPW( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[56] | 2089 | { |
---|
[608] | 2090 | UInt uiMaxW = pcCU->getSlice()->getARPStepNum() - 1; |
---|
| 2091 | UInt uiW = 0; |
---|
| 2092 | UInt uiOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx); |
---|
| 2093 | UInt uiCode = 0; |
---|
[56] | 2094 | |
---|
[608] | 2095 | assert ( uiMaxW > 0 ); |
---|
[56] | 2096 | |
---|
[608] | 2097 | m_pcTDecBinIf->decodeBin( uiCode , m_cCUPUARPWSCModel.get( 0, 0, 0 + uiOffset ) ); |
---|
[2] | 2098 | |
---|
[608] | 2099 | uiW = uiCode; |
---|
| 2100 | if( 1 == uiW ) |
---|
[56] | 2101 | { |
---|
[833] | 2102 | m_pcTDecBinIf->decodeBin( uiCode , m_cCUPUARPWSCModel.get( 0, 0, 2 ) ); |
---|
[608] | 2103 | uiW += ( 1 == uiCode ? 1 : 0 ); |
---|
[56] | 2104 | } |
---|
[608] | 2105 | #if H_MV_ENC_DEC_TRAC |
---|
| 2106 | DTRACE_CU("iv_res_pred_weight_idx", uiW ) |
---|
| 2107 | #endif |
---|
| 2108 | pcCU->setARPWSubParts( ( UChar )( uiW ) , uiAbsPartIdx, uiDepth ); |
---|
[2] | 2109 | } |
---|
| 2110 | #endif |
---|
[56] | 2111 | |
---|
[608] | 2112 | #if H_3D_IC |
---|
| 2113 | /** parse illumination compensation flag |
---|
| 2114 | * \param pcCU |
---|
| 2115 | * \param uiAbsPartIdx |
---|
| 2116 | * \param uiDepth |
---|
| 2117 | * \returns Void |
---|
| 2118 | */ |
---|
| 2119 | Void TDecSbac::parseICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2120 | { |
---|
| 2121 | UInt uiSymbol = 0; |
---|
[833] | 2122 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) ); |
---|
[608] | 2123 | #if !H_MV_ENC_DEC_TRAC |
---|
| 2124 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
| 2125 | DTRACE_CABAC_T( "\tICFlag" ); |
---|
| 2126 | DTRACE_CABAC_T( "\tuiCtxIC: "); |
---|
| 2127 | DTRACE_CABAC_V( uiCtxIC ); |
---|
| 2128 | DTRACE_CABAC_T( "\tuiSymbol: "); |
---|
| 2129 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 2130 | DTRACE_CABAC_T( "\n"); |
---|
| 2131 | #else |
---|
| 2132 | DTRACE_CU("ic_flag", uiSymbol) |
---|
[56] | 2133 | #endif |
---|
[608] | 2134 | |
---|
| 2135 | pcCU->setICFlagSubParts( uiSymbol ? true : false , uiAbsPartIdx, 0, uiDepth ); |
---|
[296] | 2136 | } |
---|
| 2137 | #endif |
---|
| 2138 | |
---|
[655] | 2139 | #if H_3D_INTER_SDC |
---|
[833] | 2140 | Void TDecSbac::parseDeltaDC( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
| 2141 | { |
---|
| 2142 | if( ! ( pcCU->getSDCFlag( absPartIdx ) || ( pcCU->isIntra( absPartIdx ) && getDimType( pcCU->getLumaIntraDir( absPartIdx ) ) < DIM_NUM_TYPE ) ) ) |
---|
| 2143 | { |
---|
| 2144 | assert( 0 ); |
---|
| 2145 | } |
---|
| 2146 | |
---|
[1039] | 2147 | UInt symbol = 1; |
---|
| 2148 | UInt uiNumSegments = isDimMode( pcCU->getLumaIntraDir( absPartIdx ) ) ? 2 : 1; |
---|
[833] | 2149 | |
---|
[1039] | 2150 | if( pcCU->isIntra( absPartIdx ) && pcCU->getSDCFlag( absPartIdx )) |
---|
| 2151 | { |
---|
[1084] | 2152 | |
---|
[950] | 2153 | m_pcTDecBinIf->decodeBin( symbol, m_cDdcFlagSCModel.get( 0, 0, 0 ) ); |
---|
[833] | 2154 | assert( pcCU->getPartitionSize( absPartIdx ) == SIZE_2Nx2N ); |
---|
| 2155 | pcCU->setTrIdxSubParts( 0, absPartIdx, depth ); |
---|
| 2156 | pcCU->setCbfSubParts( 1, 1, 1, absPartIdx, depth ); |
---|
| 2157 | } |
---|
| 2158 | |
---|
| 2159 | for( UInt segment = 0; segment < uiNumSegments; segment++ ) |
---|
| 2160 | { |
---|
| 2161 | Pel valDeltaDC = 0; |
---|
| 2162 | if( symbol ) |
---|
| 2163 | { |
---|
| 2164 | xParseDimDeltaDC( valDeltaDC, uiNumSegments ); |
---|
| 2165 | } |
---|
| 2166 | |
---|
| 2167 | if( pcCU->isIntra( absPartIdx ) ) |
---|
| 2168 | { |
---|
| 2169 | UInt dir = pcCU->getLumaIntraDir( absPartIdx ); |
---|
| 2170 | |
---|
| 2171 | if( pcCU->getSDCFlag( absPartIdx ) ) |
---|
| 2172 | { |
---|
| 2173 | pcCU->setSDCSegmentDCOffset( valDeltaDC, segment, absPartIdx ); |
---|
| 2174 | } |
---|
| 2175 | else |
---|
| 2176 | { |
---|
| 2177 | pcCU->setDimDeltaDC( getDimType( dir ), segment, absPartIdx, valDeltaDC ); |
---|
| 2178 | } |
---|
| 2179 | } |
---|
| 2180 | else |
---|
| 2181 | { |
---|
| 2182 | pcCU->setSDCSegmentDCOffset( valDeltaDC, segment, absPartIdx ); |
---|
| 2183 | } |
---|
| 2184 | } |
---|
| 2185 | } |
---|
| 2186 | |
---|
| 2187 | Void TDecSbac::parseSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2188 | { |
---|
| 2189 | UInt uiSymbol = 0; |
---|
| 2190 | UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx ); |
---|
| 2191 | |
---|
| 2192 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) ); |
---|
[1179] | 2193 | DTRACE_CU("dc_only_flag", uiSymbol) |
---|
[833] | 2194 | if( uiSymbol ) |
---|
| 2195 | { |
---|
| 2196 | pcCU->setSDCFlagSubParts( true, uiAbsPartIdx, uiDepth ); |
---|
| 2197 | pcCU->setTrIdxSubParts( 0, uiAbsPartIdx, uiDepth ); |
---|
| 2198 | pcCU->setCbfSubParts( 1, 1, 1, uiAbsPartIdx, uiDepth ); |
---|
| 2199 | } |
---|
| 2200 | else |
---|
| 2201 | { |
---|
| 2202 | pcCU->setSDCFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 2203 | } |
---|
| 2204 | } |
---|
[100] | 2205 | |
---|
[189] | 2206 | #endif |
---|
| 2207 | |
---|
[833] | 2208 | #if H_3D_DBBP |
---|
| 2209 | Void TDecSbac::parseDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2210 | { |
---|
[1124] | 2211 | AOF( pcCU->getSlice()->getDepthBasedBlkPartFlag() ); |
---|
[833] | 2212 | AOF( !pcCU->getSlice()->getIsDepth() ); |
---|
| 2213 | |
---|
| 2214 | UInt uiSymbol = 0; |
---|
| 2215 | |
---|
| 2216 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) ); |
---|
[1179] | 2217 | DTRACE_CU("dbbp_flag", uiSymbol) |
---|
[1039] | 2218 | PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx ); |
---|
| 2219 | AOF( ePartSize == SIZE_2NxN || ePartSize == SIZE_Nx2N ); |
---|
| 2220 | UInt uiPUOffset = ( g_auiPUOffset[UInt( ePartSize )] << ( ( pcCU->getSlice()->getSPS()->getMaxCUDepth() - uiDepth ) << 1 ) ) >> 4; |
---|
| 2221 | pcCU->setDBBPFlagSubParts(uiSymbol, uiAbsPartIdx, 0, uiDepth); |
---|
| 2222 | pcCU->setDBBPFlagSubParts(uiSymbol, uiAbsPartIdx+uiPUOffset, 1, uiDepth); |
---|
[833] | 2223 | } |
---|
| 2224 | #endif |
---|
| 2225 | |
---|
[872] | 2226 | |
---|
| 2227 | |
---|
[56] | 2228 | //! \} |
---|