[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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[56] | 6 | * Copyright (c) 2010-2012, 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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| 54 | , m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 55 | , m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 56 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
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| 57 | , m_cResPredFlagSCModel ( 1, 1, NUM_RES_PRED_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[2] | 58 | #endif |
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[56] | 59 | , m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 60 | , m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 61 | , m_cCUAlfCtrlFlagSCModel ( 1, 1, NUM_ALF_CTRL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 62 | , m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 63 | , m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 64 | , m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 65 | , m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 66 | , m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 67 | , m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 68 | , m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 69 | , m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 70 | , m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 71 | , m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 72 | , m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 73 | , m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels) |
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| 74 | , m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels) |
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| 75 | , m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 76 | , m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 77 | , m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 78 | , m_cALFFlagSCModel ( 1, 1, NUM_ALF_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 79 | , m_cALFUvlcSCModel ( 1, 1, NUM_ALF_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 80 | , m_cALFSvlcSCModel ( 1, 1, NUM_ALF_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 81 | #if AMP_CTX |
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| 82 | , m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[2] | 83 | #else |
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[56] | 84 | , m_cCUXPosiSCModel ( 1, 1, NUM_CU_X_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 85 | , m_cCUYPosiSCModel ( 1, 1, NUM_CU_Y_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[2] | 86 | #endif |
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[56] | 87 | , m_cSaoFlagSCModel ( 1, 1, NUM_SAO_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 88 | , m_cSaoUvlcSCModel ( 1, 1, NUM_SAO_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 89 | , m_cSaoSvlcSCModel ( 1, 1, NUM_SAO_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 90 | #if SAO_UNIT_INTERLEAVING |
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| 91 | , m_cSaoMergeLeftSCModel ( 1, 1, NUM_SAO_MERGE_LEFT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 92 | , m_cSaoMergeUpSCModel ( 1, 1, NUM_SAO_MERGE_UP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 93 | , m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[2] | 94 | #endif |
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[5] | 95 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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[56] | 96 | , m_cDmmFlagSCModel ( 1, 1, NUM_DMM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 97 | , m_cDmmModeSCModel ( 1, 1, NUM_DMM_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 98 | , m_cDmmDataSCModel ( 1, 1, NUM_DMM_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[2] | 99 | #endif |
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[100] | 100 | #if LGE_EDGE_INTRA |
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| 101 | , m_cEdgeIntraSCModel ( 1, 1, NUM_EDGE_INTRA_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 102 | #if LGE_EDGE_INTRA_DELTA_DC |
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| 103 | , m_cEdgeIntraDeltaDCSCModel ( 1, 1, NUM_EDGE_INTRA_DELTA_DC_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 104 | #endif |
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| 105 | #endif |
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[2] | 106 | { |
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[56] | 107 | assert( m_numContextModels <= MAX_NUM_CTX_MOD ); |
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| 108 | m_iSliceGranularity = 0; |
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[2] | 109 | } |
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| 110 | |
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| 111 | TDecSbac::~TDecSbac() |
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| 112 | { |
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| 113 | } |
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| 114 | |
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| 115 | // ==================================================================================================================== |
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| 116 | // Public member functions |
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| 117 | // ==================================================================================================================== |
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| 118 | |
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[56] | 119 | #if CABAC_INIT_FLAG |
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| 120 | Void TDecSbac::resetEntropy(TComSlice* pSlice) |
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[2] | 121 | { |
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[56] | 122 | SliceType sliceType = pSlice->getSliceType(); |
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| 123 | Int qp = pSlice->getSliceQp(); |
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| 124 | |
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| 125 | if (pSlice->getPPS()->getCabacInitPresentFlag() && pSlice->getCabacInitFlag()) |
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| 126 | { |
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| 127 | switch (sliceType) |
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| 128 | { |
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| 129 | case P_SLICE: // change initialization table to B_SLICE initialization |
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| 130 | sliceType = B_SLICE; |
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| 131 | break; |
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| 132 | case B_SLICE: // change initialization table to P_SLICE initialization |
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| 133 | sliceType = P_SLICE; |
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| 134 | break; |
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| 135 | default : // should not occur |
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| 136 | assert(0); |
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| 137 | } |
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| 138 | } |
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| 139 | |
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| 140 | #else |
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| 141 | Void TDecSbac::resetEntropywithQPandInitIDC (Int qp, Int iID) |
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| 142 | { |
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| 143 | SliceType sliceType = (SliceType)iID; |
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| 144 | #endif |
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| 145 | |
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| 146 | m_cCUSplitFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SPLIT_FLAG ); |
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| 147 | m_cCUSkipFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SKIP_FLAG ); |
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| 148 | m_cCUMergeFlagExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT ); |
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| 149 | m_cCUMergeIdxExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_IDX_EXT ); |
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| 150 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
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| 151 | m_cResPredFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_RES_PRED_FLAG ); |
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[2] | 152 | #endif |
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[56] | 153 | m_cCUAlfCtrlFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG ); |
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| 154 | m_cCUPartSizeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PART_SIZE ); |
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| 155 | #if AMP_CTX |
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| 156 | m_cCUAMPSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_AMP_POS ); |
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[2] | 157 | #else |
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[56] | 158 | m_cCUXPosiSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_X_POS ); |
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| 159 | m_cCUYPosiSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_Y_POS ); |
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[2] | 160 | #endif |
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[56] | 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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| 177 | m_cALFFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_FLAG ); |
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| 178 | m_cALFUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_UVLC ); |
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| 179 | m_cALFSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_SVLC ); |
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| 180 | m_cSaoFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_FLAG ); |
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| 181 | m_cSaoUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_UVLC ); |
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| 182 | m_cSaoSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_SVLC ); |
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| 183 | #if SAO_UNIT_INTERLEAVING |
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| 184 | m_cSaoMergeLeftSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG ); |
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| 185 | m_cSaoMergeUpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG ); |
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| 186 | m_cSaoTypeIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_TYPE_IDX ); |
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[2] | 187 | #endif |
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[56] | 188 | |
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| 189 | m_cCUTransSubdivFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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[100] | 190 | #if LGE_EDGE_INTRA |
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| 191 | m_cEdgeIntraSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_EDGE_INTRA ); |
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| 192 | #if LGE_EDGE_INTRA_DELTA_DC |
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| 193 | m_cEdgeIntraDeltaDCSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_EDGE_INTRA_DELTA_DC ); |
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| 194 | #endif |
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| 195 | #endif |
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[56] | 196 | m_uiLastDQpNonZero = 0; |
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[5] | 197 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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[56] | 198 | m_cDmmFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_FLAG ); |
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| 199 | m_cDmmModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_MODE ); |
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| 200 | m_cDmmDataSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_DATA ); |
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[2] | 201 | #endif |
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| 202 | |
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| 203 | // new structure |
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[56] | 204 | m_uiLastQp = qp; |
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[2] | 205 | |
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| 206 | m_pcTDecBinIf->start(); |
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| 207 | } |
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| 208 | |
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[56] | 209 | /** The function does the following: Read out terminate bit. Flush CABAC. Byte-align for next tile. |
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| 210 | * Intialize CABAC states. Start CABAC. |
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| 211 | */ |
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| 212 | Void TDecSbac::updateContextTables( SliceType eSliceType, Int iQp ) |
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| 213 | { |
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| 214 | UInt uiBit; |
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| 215 | m_pcTDecBinIf->decodeBinTrm(uiBit); |
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| 216 | m_pcTDecBinIf->finish(); |
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| 217 | #if !OL_FLUSH_ALIGN |
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| 218 | // Account for misaligned CABAC. |
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| 219 | Int iCABACReadAhead = m_pcTDecBinIf->getBitsReadAhead(); |
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| 220 | iCABACReadAhead--; |
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| 221 | Int iStreamBits = 8-m_pcBitstream->getNumBitsUntilByteAligned(); |
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| 222 | if (iCABACReadAhead >= iStreamBits) |
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| 223 | { |
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| 224 | // Misaligned CABAC has read into the 1st byte of the next tile. |
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| 225 | // Back up a byte prior to alignment. |
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| 226 | m_pcBitstream->backupByte(); |
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| 227 | } |
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| 228 | #endif |
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| 229 | m_pcBitstream->readOutTrailingBits(); |
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| 230 | m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG ); |
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| 231 | m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG ); |
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| 232 | m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT ); |
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| 233 | m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT ); |
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| 234 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
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| 235 | m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG ); |
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| 236 | #endif |
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| 237 | m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG ); |
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| 238 | m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE ); |
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| 239 | #if AMP_CTX |
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| 240 | m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS ); |
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| 241 | #else |
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| 242 | m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS ); |
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| 243 | m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS ); |
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| 244 | #endif |
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| 245 | m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE ); |
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| 246 | m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 247 | m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 248 | m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR ); |
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| 249 | m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD ); |
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| 250 | m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC ); |
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| 251 | m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP ); |
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| 252 | m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF ); |
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| 253 | m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 254 | m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 255 | m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG ); |
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| 256 | m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 257 | m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 258 | m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG ); |
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| 259 | m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG ); |
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| 260 | m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX ); |
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| 261 | m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG ); |
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| 262 | m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC ); |
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| 263 | m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC ); |
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| 264 | m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG ); |
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| 265 | m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC ); |
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| 266 | m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC ); |
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| 267 | #if SAO_UNIT_INTERLEAVING |
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| 268 | m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG ); |
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| 269 | m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG ); |
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| 270 | m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX ); |
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| 271 | #endif |
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| 272 | m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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| 273 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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| 274 | m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG ); |
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| 275 | m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE ); |
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| 276 | m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA ); |
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| 277 | #endif |
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| 278 | |
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| 279 | m_pcTDecBinIf->start(); |
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| 280 | } |
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| 281 | |
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| 282 | Void TDecSbac::readTileMarker( UInt& uiTileIdx, UInt uiBitsUsed ) |
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| 283 | { |
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| 284 | UInt uiSymbol; |
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| 285 | uiTileIdx = 0; |
---|
| 286 | for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--) |
---|
| 287 | { |
---|
| 288 | m_pcTDecBinIf->decodeBinEP ( uiSymbol ); |
---|
| 289 | if (uiSymbol) |
---|
| 290 | { |
---|
| 291 | uiTileIdx |= (1<<iShift); |
---|
| 292 | } |
---|
| 293 | } |
---|
| 294 | } |
---|
| 295 | |
---|
[2] | 296 | Void TDecSbac::parseTerminatingBit( UInt& ruiBit ) |
---|
| 297 | { |
---|
| 298 | m_pcTDecBinIf->decodeBinTrm( ruiBit ); |
---|
| 299 | } |
---|
| 300 | |
---|
| 301 | |
---|
| 302 | Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ) |
---|
| 303 | { |
---|
| 304 | if (uiMaxSymbol == 0) |
---|
| 305 | { |
---|
| 306 | ruiSymbol = 0; |
---|
| 307 | return; |
---|
| 308 | } |
---|
| 309 | |
---|
| 310 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
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| 311 | |
---|
| 312 | if( ruiSymbol == 0 || uiMaxSymbol == 1 ) |
---|
| 313 | { |
---|
| 314 | return; |
---|
| 315 | } |
---|
| 316 | |
---|
| 317 | UInt uiSymbol = 0; |
---|
| 318 | UInt uiCont; |
---|
| 319 | |
---|
| 320 | do |
---|
| 321 | { |
---|
| 322 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] ); |
---|
| 323 | uiSymbol++; |
---|
| 324 | } |
---|
| 325 | while( uiCont && ( uiSymbol < uiMaxSymbol - 1 ) ); |
---|
| 326 | |
---|
| 327 | if( uiCont && ( uiSymbol == uiMaxSymbol - 1 ) ) |
---|
| 328 | { |
---|
| 329 | uiSymbol++; |
---|
| 330 | } |
---|
| 331 | |
---|
| 332 | ruiSymbol = uiSymbol; |
---|
| 333 | } |
---|
| 334 | |
---|
| 335 | Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount ) |
---|
| 336 | { |
---|
| 337 | UInt uiSymbol = 0; |
---|
| 338 | UInt uiBit = 1; |
---|
| 339 | |
---|
| 340 | while( uiBit ) |
---|
| 341 | { |
---|
| 342 | m_pcTDecBinIf->decodeBinEP( uiBit ); |
---|
| 343 | uiSymbol += uiBit << uiCount++; |
---|
| 344 | } |
---|
| 345 | |
---|
[56] | 346 | if ( --uiCount ) |
---|
[2] | 347 | { |
---|
[56] | 348 | UInt bins; |
---|
| 349 | m_pcTDecBinIf->decodeBinsEP( bins, uiCount ); |
---|
| 350 | uiSymbol += bins; |
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[2] | 351 | } |
---|
| 352 | |
---|
| 353 | ruiSymbol = uiSymbol; |
---|
| 354 | } |
---|
| 355 | |
---|
| 356 | Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset ) |
---|
| 357 | { |
---|
| 358 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
---|
| 359 | |
---|
| 360 | if( !ruiSymbol ) |
---|
| 361 | { |
---|
| 362 | return; |
---|
| 363 | } |
---|
| 364 | |
---|
| 365 | UInt uiSymbol = 0; |
---|
| 366 | UInt uiCont; |
---|
| 367 | |
---|
| 368 | do |
---|
| 369 | { |
---|
| 370 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] ); |
---|
| 371 | uiSymbol++; |
---|
| 372 | } |
---|
| 373 | while( uiCont ); |
---|
| 374 | |
---|
| 375 | ruiSymbol = uiSymbol; |
---|
| 376 | } |
---|
| 377 | |
---|
| 378 | /** Parsing of coeff_abs_level_minus3 |
---|
| 379 | * \param ruiSymbol reference to coeff_abs_level_minus3 |
---|
| 380 | * \param ruiGoRiceParam reference to Rice parameter |
---|
| 381 | * \returns Void |
---|
| 382 | */ |
---|
| 383 | Void TDecSbac::xReadGoRiceExGolomb( UInt &ruiSymbol, UInt &ruiGoRiceParam ) |
---|
| 384 | { |
---|
| 385 | Bool bExGolomb = false; |
---|
| 386 | UInt uiCodeWord = 0; |
---|
| 387 | UInt uiQuotient = 0; |
---|
| 388 | UInt uiRemainder = 0; |
---|
| 389 | UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ]; |
---|
| 390 | UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ]; |
---|
| 391 | |
---|
| 392 | do |
---|
| 393 | { |
---|
| 394 | uiQuotient++; |
---|
| 395 | m_pcTDecBinIf->decodeBinEP( uiCodeWord ); |
---|
| 396 | } |
---|
| 397 | while( uiCodeWord && uiQuotient < uiMaxPreLen ); |
---|
| 398 | |
---|
| 399 | uiCodeWord = 1 - uiCodeWord; |
---|
| 400 | uiQuotient -= uiCodeWord; |
---|
| 401 | |
---|
[56] | 402 | if ( ruiGoRiceParam > 0 ) |
---|
[2] | 403 | { |
---|
[56] | 404 | m_pcTDecBinIf->decodeBinsEP( uiRemainder, ruiGoRiceParam ); |
---|
[2] | 405 | } |
---|
| 406 | |
---|
| 407 | ruiSymbol = uiRemainder + ( uiQuotient << ruiGoRiceParam ); |
---|
| 408 | bExGolomb = ruiSymbol == ( uiMaxVlc + 1 ); |
---|
| 409 | |
---|
| 410 | if( bExGolomb ) |
---|
| 411 | { |
---|
| 412 | xReadEpExGolomb( uiCodeWord, 0 ); |
---|
| 413 | ruiSymbol += uiCodeWord; |
---|
| 414 | } |
---|
| 415 | |
---|
[56] | 416 | #if EIGHT_BITS_RICE_CODE |
---|
| 417 | ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 23 ) ]; |
---|
| 418 | #else |
---|
[2] | 419 | ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 15 ) ]; |
---|
[56] | 420 | #endif |
---|
[2] | 421 | |
---|
| 422 | return; |
---|
| 423 | } |
---|
[56] | 424 | |
---|
| 425 | |
---|
| 426 | /** Parse I_PCM information. |
---|
| 427 | * \param pcCU |
---|
| 428 | * \param uiAbsPartIdx |
---|
| 429 | * \param uiDepth |
---|
| 430 | * \returns Void |
---|
| 431 | * |
---|
| 432 | * If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes. |
---|
| 433 | */ |
---|
| 434 | Void TDecSbac::parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 435 | { |
---|
| 436 | UInt uiSymbol; |
---|
[56] | 437 | #if BURST_IPCM |
---|
| 438 | Int numSubseqIPCM = 0; |
---|
| 439 | Bool readPCMSampleFlag = false; |
---|
| 440 | |
---|
| 441 | if(pcCU->getNumSucIPCM() > 0) |
---|
[2] | 442 | { |
---|
[56] | 443 | readPCMSampleFlag = true; |
---|
[2] | 444 | } |
---|
[56] | 445 | else |
---|
| 446 | { |
---|
| 447 | m_pcTDecBinIf->decodeBinTrm(uiSymbol); |
---|
[2] | 448 | |
---|
[56] | 449 | if (uiSymbol) |
---|
| 450 | { |
---|
| 451 | readPCMSampleFlag = true; |
---|
| 452 | m_pcTDecBinIf->decodeNumSubseqIPCM(numSubseqIPCM); |
---|
| 453 | pcCU->setNumSucIPCM(numSubseqIPCM + 1); |
---|
| 454 | m_pcTDecBinIf->decodePCMAlignBits(); |
---|
| 455 | } |
---|
[2] | 456 | } |
---|
[56] | 457 | #else |
---|
| 458 | m_pcTDecBinIf->decodeBinTrm(uiSymbol); |
---|
| 459 | #endif |
---|
[2] | 460 | |
---|
[56] | 461 | #if BURST_IPCM |
---|
| 462 | if (readPCMSampleFlag == true) |
---|
| 463 | #else |
---|
| 464 | if (uiSymbol) |
---|
[2] | 465 | #endif |
---|
| 466 | { |
---|
[56] | 467 | Bool bIpcmFlag = true; |
---|
| 468 | |
---|
| 469 | #if !BURST_IPCM |
---|
| 470 | m_pcTDecBinIf->decodePCMAlignBits(); |
---|
[2] | 471 | #endif |
---|
| 472 | |
---|
[56] | 473 | pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 474 | pcCU->setSizeSubParts ( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 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 | |
---|
| 503 | piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset; |
---|
| 504 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
| 505 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
| 506 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
| 507 | |
---|
| 508 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 509 | { |
---|
| 510 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 511 | { |
---|
| 512 | UInt uiSample; |
---|
| 513 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 514 | piPCMSample[uiX] = uiSample; |
---|
| 515 | } |
---|
| 516 | piPCMSample += uiWidth; |
---|
| 517 | } |
---|
| 518 | |
---|
| 519 | piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset; |
---|
| 520 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
| 521 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
| 522 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
| 523 | |
---|
| 524 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 525 | { |
---|
| 526 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 527 | { |
---|
| 528 | UInt uiSample; |
---|
| 529 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 530 | piPCMSample[uiX] = uiSample; |
---|
| 531 | } |
---|
| 532 | piPCMSample += uiWidth; |
---|
| 533 | } |
---|
| 534 | |
---|
| 535 | #if BURST_IPCM |
---|
| 536 | pcCU->setNumSucIPCM( pcCU->getNumSucIPCM() - 1); |
---|
| 537 | if(pcCU->getNumSucIPCM() == 0) |
---|
| 538 | { |
---|
| 539 | m_pcTDecBinIf->resetBac(); |
---|
| 540 | } |
---|
| 541 | #else |
---|
| 542 | m_pcTDecBinIf->resetBac(); |
---|
| 543 | #endif |
---|
[2] | 544 | } |
---|
| 545 | } |
---|
| 546 | |
---|
| 547 | /** parse skip flag |
---|
| 548 | * \param pcCU |
---|
| 549 | * \param uiAbsPartIdx |
---|
| 550 | * \param uiDepth |
---|
| 551 | * \returns Void |
---|
| 552 | */ |
---|
| 553 | Void TDecSbac::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 554 | { |
---|
| 555 | if( pcCU->getSlice()->isIntra() ) |
---|
| 556 | { |
---|
| 557 | return; |
---|
| 558 | } |
---|
| 559 | |
---|
| 560 | UInt uiSymbol = 0; |
---|
| 561 | UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ); |
---|
| 562 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) ); |
---|
[56] | 563 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
[2] | 564 | DTRACE_CABAC_T( "\tSkipFlag" ); |
---|
| 565 | DTRACE_CABAC_T( "\tuiCtxSkip: "); |
---|
| 566 | DTRACE_CABAC_V( uiCtxSkip ); |
---|
| 567 | DTRACE_CABAC_T( "\tuiSymbol: "); |
---|
| 568 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 569 | DTRACE_CABAC_T( "\n"); |
---|
| 570 | |
---|
| 571 | if( uiSymbol ) |
---|
| 572 | { |
---|
| 573 | pcCU->setPredModeSubParts( MODE_SKIP, uiAbsPartIdx, uiDepth ); |
---|
| 574 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 575 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 576 | pcCU->setMergeFlagSubParts( true , uiAbsPartIdx, 0, uiDepth ); |
---|
| 577 | } |
---|
| 578 | } |
---|
| 579 | |
---|
| 580 | /** parse merge flag |
---|
| 581 | * \param pcCU |
---|
| 582 | * \param uiAbsPartIdx |
---|
| 583 | * \param uiDepth |
---|
| 584 | * \param uiPUIdx |
---|
| 585 | * \returns Void |
---|
| 586 | */ |
---|
| 587 | Void TDecSbac::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) |
---|
| 588 | { |
---|
| 589 | UInt uiSymbol; |
---|
[56] | 590 | m_pcTDecBinIf->decodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) ); |
---|
[2] | 591 | pcCU->setMergeFlagSubParts( uiSymbol ? true : false, uiAbsPartIdx, uiPUIdx, uiDepth ); |
---|
| 592 | |
---|
[56] | 593 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
[2] | 594 | DTRACE_CABAC_T( "\tMergeFlag: " ); |
---|
| 595 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 596 | DTRACE_CABAC_T( "\tAddress: " ); |
---|
| 597 | DTRACE_CABAC_V( pcCU->getAddr() ); |
---|
| 598 | DTRACE_CABAC_T( "\tuiAbsPartIdx: " ); |
---|
| 599 | DTRACE_CABAC_V( uiAbsPartIdx ); |
---|
| 600 | DTRACE_CABAC_T( "\n" ); |
---|
| 601 | } |
---|
| 602 | |
---|
[56] | 603 | Void TDecSbac::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 604 | { |
---|
[56] | 605 | UInt uiNumCand = MRG_MAX_NUM_CANDS; |
---|
| 606 | #if !MRG_IDX_CTX_RED |
---|
| 607 | UInt auiCtx[4] = { 0, 1, 2, 3 }; |
---|
| 608 | #endif |
---|
| 609 | UInt uiUnaryIdx = 0; |
---|
| 610 | uiNumCand = pcCU->getSlice()->getMaxNumMergeCand(); |
---|
[5] | 611 | #if HHI_MPI |
---|
[2] | 612 | const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE; |
---|
[56] | 613 | const UInt uiMviMergePos = bMVIAvailable ? HHI_MPI_MERGE_POS : uiNumCand; |
---|
[2] | 614 | #endif |
---|
[56] | 615 | if ( uiNumCand > 1 ) |
---|
[2] | 616 | { |
---|
[56] | 617 | for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx ) |
---|
[2] | 618 | { |
---|
[56] | 619 | UInt uiSymbol = 0; |
---|
| 620 | #if MRG_IDX_CTX_RED |
---|
| 621 | if ( uiUnaryIdx==0 ) |
---|
[2] | 622 | { |
---|
[56] | 623 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 624 | } |
---|
[56] | 625 | else |
---|
| 626 | { |
---|
| 627 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 628 | } |
---|
| 629 | #else |
---|
| 630 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[uiUnaryIdx] ) ); |
---|
[2] | 631 | #endif |
---|
[56] | 632 | if( uiSymbol == 0 ) |
---|
[2] | 633 | { |
---|
[56] | 634 | break; |
---|
[2] | 635 | } |
---|
| 636 | } |
---|
| 637 | } |
---|
| 638 | ruiMergeIndex = uiUnaryIdx; |
---|
| 639 | |
---|
[56] | 640 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 641 | DTRACE_CABAC_T( "\tparseMergeIndex()" ) |
---|
| 642 | DTRACE_CABAC_T( "\tuiMRGIdx= " ) |
---|
| 643 | DTRACE_CABAC_V( ruiMergeIndex ) |
---|
| 644 | DTRACE_CABAC_T( "\n" ) |
---|
[5] | 645 | #if HHI_MPI |
---|
[2] | 646 | if( ruiMergeIndex > uiMviMergePos ) |
---|
| 647 | { |
---|
[56] | 648 | assert( bMVIAvailable ); |
---|
[2] | 649 | ruiMergeIndex--; |
---|
| 650 | } |
---|
| 651 | else if( ruiMergeIndex == uiMviMergePos ) |
---|
| 652 | { |
---|
[56] | 653 | assert( bMVIAvailable ); |
---|
[2] | 654 | pcCU->setTextureModeDepthSubParts( uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 655 | } |
---|
| 656 | #endif |
---|
| 657 | } |
---|
| 658 | |
---|
[56] | 659 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
| 660 | Void |
---|
[2] | 661 | TDecSbac::parseResPredFlag( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 662 | { |
---|
[56] | 663 | UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx ); |
---|
[2] | 664 | UInt uiSymbol = 0; |
---|
| 665 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) ); |
---|
| 666 | rbResPredFlag = ( uiSymbol != 0 ); |
---|
| 667 | } |
---|
[56] | 668 | #endif |
---|
[2] | 669 | |
---|
[56] | 670 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
| 671 | Void TDecSbac::parseMVPIdx ( Int& riMVPIdx, Int iNumAMVPCands ) |
---|
[2] | 672 | { |
---|
| 673 | UInt uiSymbol; |
---|
[56] | 674 | xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, iNumAMVPCands-1); |
---|
[2] | 675 | riMVPIdx = uiSymbol; |
---|
| 676 | } |
---|
[56] | 677 | #else |
---|
| 678 | Void TDecSbac::parseMVPIdx ( Int& riMVPIdx ) |
---|
| 679 | { |
---|
| 680 | UInt uiSymbol; |
---|
| 681 | xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, AMVP_MAX_NUM_CANDS-1); |
---|
| 682 | riMVPIdx = uiSymbol; |
---|
| 683 | } |
---|
| 684 | #endif |
---|
[2] | 685 | |
---|
| 686 | Void TDecSbac::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 687 | { |
---|
| 688 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 689 | { |
---|
| 690 | pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx ); |
---|
| 691 | return; |
---|
| 692 | } |
---|
| 693 | |
---|
| 694 | UInt uiSymbol; |
---|
| 695 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) ); |
---|
[56] | 696 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 697 | DTRACE_CABAC_T( "\tSplitFlag\n" ) |
---|
| 698 | pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx ); |
---|
| 699 | |
---|
| 700 | return; |
---|
| 701 | } |
---|
| 702 | |
---|
| 703 | /** parse partition size |
---|
| 704 | * \param pcCU |
---|
| 705 | * \param uiAbsPartIdx |
---|
| 706 | * \param uiDepth |
---|
| 707 | * \returns Void |
---|
| 708 | */ |
---|
| 709 | Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 710 | { |
---|
| 711 | UInt uiSymbol, uiMode = 0; |
---|
| 712 | PartSize eMode; |
---|
| 713 | |
---|
| 714 | if ( pcCU->isIntra( uiAbsPartIdx ) ) |
---|
| 715 | { |
---|
| 716 | uiSymbol = 1; |
---|
| 717 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 718 | { |
---|
| 719 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
---|
| 720 | } |
---|
| 721 | eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN; |
---|
[56] | 722 | UInt uiTrLevel = 0; |
---|
| 723 | UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2; |
---|
| 724 | UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2; |
---|
| 725 | uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0; |
---|
| 726 | if( eMode == SIZE_NxN ) |
---|
| 727 | { |
---|
| 728 | pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 729 | } |
---|
| 730 | else |
---|
| 731 | { |
---|
| 732 | pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 733 | } |
---|
[2] | 734 | } |
---|
| 735 | else |
---|
| 736 | { |
---|
[56] | 737 | UInt uiMaxNumBits = 2; |
---|
| 738 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && (g_uiMaxCUWidth>>uiDepth) == 8 && (g_uiMaxCUHeight>>uiDepth) == 8 ) ) |
---|
[2] | 739 | { |
---|
[56] | 740 | uiMaxNumBits ++; |
---|
[2] | 741 | } |
---|
[56] | 742 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
[2] | 743 | { |
---|
[56] | 744 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) ); |
---|
| 745 | if ( uiSymbol ) |
---|
[2] | 746 | { |
---|
[56] | 747 | break; |
---|
[2] | 748 | } |
---|
[56] | 749 | uiMode++; |
---|
[2] | 750 | } |
---|
| 751 | eMode = (PartSize) uiMode; |
---|
[56] | 752 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
---|
[2] | 753 | { |
---|
[56] | 754 | if (eMode == SIZE_2NxN) |
---|
| 755 | { |
---|
| 756 | #if AMP_CTX |
---|
| 757 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 )); |
---|
| 758 | #else |
---|
| 759 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 0 )); |
---|
[2] | 760 | #endif |
---|
[56] | 761 | if (uiSymbol == 0) |
---|
| 762 | { |
---|
| 763 | #if AMP_CTX |
---|
| 764 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 765 | #else |
---|
| 766 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 1 )); |
---|
| 767 | #endif |
---|
| 768 | eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD); |
---|
| 769 | } |
---|
[2] | 770 | } |
---|
[56] | 771 | else if (eMode == SIZE_Nx2N) |
---|
[2] | 772 | { |
---|
[56] | 773 | #if AMP_CTX |
---|
| 774 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 )); |
---|
| 775 | #else |
---|
| 776 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 0 )); |
---|
[2] | 777 | #endif |
---|
[56] | 778 | if (uiSymbol == 0) |
---|
[2] | 779 | { |
---|
[56] | 780 | #if AMP_CTX |
---|
| 781 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 782 | #else |
---|
| 783 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 1 )); |
---|
| 784 | #endif |
---|
| 785 | eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N); |
---|
[2] | 786 | } |
---|
| 787 | } |
---|
| 788 | } |
---|
| 789 | } |
---|
| 790 | pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth ); |
---|
| 791 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 792 | } |
---|
| 793 | |
---|
| 794 | /** parse prediction mode |
---|
| 795 | * \param pcCU |
---|
| 796 | * \param uiAbsPartIdx |
---|
| 797 | * \param uiDepth |
---|
| 798 | * \returns Void |
---|
| 799 | */ |
---|
| 800 | Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 801 | { |
---|
| 802 | if( pcCU->getSlice()->isIntra() ) |
---|
| 803 | { |
---|
| 804 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 805 | return; |
---|
| 806 | } |
---|
| 807 | |
---|
| 808 | UInt uiSymbol; |
---|
| 809 | Int iPredMode = MODE_INTER; |
---|
[56] | 810 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 811 | iPredMode += uiSymbol; |
---|
| 812 | pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 813 | } |
---|
[56] | 814 | |
---|
| 815 | Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 816 | { |
---|
[56] | 817 | UInt uiSymbol; |
---|
| 818 | Int intraPredMode; |
---|
[2] | 819 | |
---|
[5] | 820 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
[2] | 821 | UInt uiFlag = 0; |
---|
[56] | 822 | if( pcCU->getSlice()->getSPS()->getUseDMM() && (g_uiMaxCUWidth>>uiDepth) <= DMM_WEDGEMODEL_MAX_SIZE ) |
---|
[2] | 823 | { |
---|
[56] | 824 | m_pcTDecBinIf->decodeBin( uiFlag, m_cDmmFlagSCModel.get(0, 0, 0) ); |
---|
[2] | 825 | } |
---|
[56] | 826 | if( uiFlag ) |
---|
[2] | 827 | { |
---|
| 828 | UInt uiDMMode; |
---|
[100] | 829 | |
---|
[5] | 830 | #if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX |
---|
[56] | 831 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol; |
---|
| 832 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode |= uiSymbol << 1; |
---|
[2] | 833 | if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 ) |
---|
| 834 | { |
---|
[56] | 835 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode |= uiSymbol << 2; |
---|
[2] | 836 | } |
---|
| 837 | #else |
---|
[56] | 838 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol; |
---|
| 839 | if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 ) |
---|
| 840 | { |
---|
| 841 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode |= uiSymbol << 1; |
---|
[2] | 842 | } |
---|
| 843 | #endif |
---|
[56] | 844 | intraPredMode = uiDMMode + NUM_INTRA_MODE; |
---|
[2] | 845 | |
---|
[5] | 846 | #if HHI_DMM_WEDGE_INTRA |
---|
[56] | 847 | if( intraPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 848 | if( intraPredMode == DMM_WEDGE_FULL_D_IDX ) { xParseWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 849 | if( intraPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 850 | if( intraPredMode == DMM_WEDGE_PREDDIR_D_IDX ) { xParseWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
[5] | 851 | #endif |
---|
| 852 | #if HHI_DMM_PRED_TEX |
---|
[56] | 853 | if( intraPredMode == DMM_WEDGE_PREDTEX_D_IDX ) { xParseWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 854 | if( intraPredMode == DMM_CONTOUR_PREDTEX_D_IDX ) { xParseContourPredTexDeltaInfo( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
[5] | 855 | #endif |
---|
[2] | 856 | } |
---|
| 857 | else |
---|
| 858 | { |
---|
| 859 | #endif |
---|
[56] | 860 | #if !LOGI_INTRA_NAME_3MPM |
---|
[100] | 861 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
[56] | 862 | #endif |
---|
[100] | 863 | |
---|
| 864 | #if LGE_EDGE_INTRA |
---|
| 865 | Bool bCodeEdgeIntra = false; |
---|
| 866 | if( pcCU->getSlice()->getSPS()->isDepth() ) |
---|
| 867 | { |
---|
| 868 | UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0); |
---|
| 869 | if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE ) |
---|
| 870 | bCodeEdgeIntra = true; |
---|
| 871 | } |
---|
| 872 | #endif |
---|
| 873 | |
---|
[56] | 874 | #if LOGI_INTRA_NAME_3MPM |
---|
[100] | 875 | Int uiPreds[3] = {-1, -1, -1}; |
---|
[2] | 876 | #else |
---|
[100] | 877 | Int uiPreds[2] = {-1, -1}; |
---|
[56] | 878 | #endif |
---|
[100] | 879 | Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds); |
---|
| 880 | #if LGE_EDGE_INTRA |
---|
| 881 | UInt uiCheckBit = 0; |
---|
| 882 | #endif |
---|
| 883 | |
---|
| 884 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 0) ); |
---|
| 885 | |
---|
| 886 | if ( uiSymbol ) |
---|
[56] | 887 | { |
---|
| 888 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
[100] | 889 | #if LOGI_INTRA_NAME_3MPM |
---|
| 890 | if (uiSymbol) |
---|
| 891 | { |
---|
| 892 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 893 | uiSymbol++; |
---|
| 894 | } |
---|
[5] | 895 | #endif |
---|
[100] | 896 | intraPredMode = uiPreds[uiSymbol]; |
---|
[56] | 897 | } |
---|
[100] | 898 | else |
---|
[2] | 899 | { |
---|
[100] | 900 | intraPredMode = 0; |
---|
| 901 | |
---|
| 902 | #if LOGI_INTRA_NAME_3MPM |
---|
| 903 | |
---|
| 904 | m_pcTDecBinIf->decodeBinsEP( uiSymbol, 5 ); |
---|
| 905 | #if LGE_EDGE_INTRA |
---|
| 906 | if (bCodeEdgeIntra) |
---|
| 907 | { |
---|
| 908 | if (uiSymbol==31) |
---|
| 909 | { |
---|
| 910 | m_pcTDecBinIf->decodeBinsEP(uiCheckBit,1); |
---|
| 911 | if (uiCheckBit) |
---|
| 912 | uiSymbol = EDGE_INTRA_IDX; |
---|
| 913 | } |
---|
| 914 | } |
---|
| 915 | #endif |
---|
| 916 | intraPredMode = uiSymbol; |
---|
| 917 | |
---|
| 918 | //postponed sorting of MPMs (only in remaining branch) |
---|
| 919 | if (uiPreds[0] > uiPreds[1]) |
---|
| 920 | { |
---|
| 921 | std::swap(uiPreds[0], uiPreds[1]); |
---|
| 922 | } |
---|
| 923 | if (uiPreds[0] > uiPreds[2]) |
---|
| 924 | { |
---|
| 925 | std::swap(uiPreds[0], uiPreds[2]); |
---|
| 926 | } |
---|
| 927 | if (uiPreds[1] > uiPreds[2]) |
---|
| 928 | { |
---|
| 929 | std::swap(uiPreds[1], uiPreds[2]); |
---|
| 930 | } |
---|
| 931 | #else |
---|
| 932 | m_pcTDecBinIf->decodeBinsEP( uiSymbol, g_aucIntraModeBitsAng[iIntraIdx] - 1 ); |
---|
| 933 | intraPredMode = uiSymbol; |
---|
| 934 | |
---|
| 935 | if ( intraPredMode == 31 ) |
---|
| 936 | { |
---|
| 937 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 938 | intraPredMode += uiSymbol; |
---|
| 939 | } |
---|
| 940 | #endif |
---|
| 941 | #if LGE_EDGE_INTRA |
---|
| 942 | if ( intraPredMode != EDGE_INTRA_IDX) |
---|
| 943 | { |
---|
| 944 | #endif |
---|
| 945 | for ( Int i = 0; i < uiPredNum; i++ ) |
---|
| 946 | { |
---|
| 947 | intraPredMode += ( intraPredMode >= uiPreds[i] ); |
---|
| 948 | } |
---|
| 949 | #if LGE_EDGE_INTRA |
---|
| 950 | } |
---|
| 951 | #endif |
---|
[2] | 952 | } |
---|
[100] | 953 | |
---|
| 954 | #if LGE_EDGE_INTRA |
---|
| 955 | if( intraPredMode == EDGE_INTRA_IDX ) |
---|
[2] | 956 | { |
---|
[100] | 957 | xParseEdgeIntraInfo( pcCU, uiAbsPartIdx, uiDepth ); |
---|
| 958 | #if LGE_EDGE_INTRA_DELTA_DC |
---|
| 959 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) ); |
---|
| 960 | if( uiSymbol ) |
---|
| 961 | { |
---|
| 962 | intraPredMode = EDGE_INTRA_DELTA_IDX; |
---|
| 963 | Int iDeltaDC0; |
---|
| 964 | Int iDeltaDC1; |
---|
| 965 | |
---|
| 966 | xReadExGolombLevel( (UInt &) iDeltaDC0, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) ); |
---|
| 967 | if( iDeltaDC0 != 0 ) |
---|
| 968 | { |
---|
| 969 | UInt uiSign; |
---|
| 970 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 971 | if ( uiSign ) |
---|
| 972 | { |
---|
| 973 | iDeltaDC0 = -iDeltaDC0; |
---|
| 974 | } |
---|
| 975 | } |
---|
| 976 | xReadExGolombLevel( (UInt &) iDeltaDC1, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) ); |
---|
| 977 | if( iDeltaDC1 != 0 ) |
---|
| 978 | { |
---|
| 979 | UInt uiSign; |
---|
| 980 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 981 | if ( uiSign ) |
---|
| 982 | { |
---|
| 983 | iDeltaDC1 = -iDeltaDC1; |
---|
| 984 | } |
---|
| 985 | } |
---|
| 986 | |
---|
| 987 | pcCU->setEdgeDeltaDC0( uiAbsPartIdx, iDeltaDC0 ); |
---|
| 988 | pcCU->setEdgeDeltaDC1( uiAbsPartIdx, iDeltaDC1 ); |
---|
| 989 | } |
---|
| 990 | #endif |
---|
[2] | 991 | } |
---|
[56] | 992 | #endif |
---|
[100] | 993 | |
---|
[56] | 994 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
| 995 | } |
---|
[2] | 996 | #endif |
---|
[100] | 997 | |
---|
[56] | 998 | pcCU->setLumaIntraDirSubParts( (UChar)intraPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 999 | } |
---|
[2] | 1000 | |
---|
| 1001 | Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1002 | { |
---|
| 1003 | UInt uiSymbol; |
---|
| 1004 | |
---|
[56] | 1005 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 0 ) ); |
---|
| 1006 | |
---|
| 1007 | if( uiSymbol == 0 ) |
---|
[2] | 1008 | { |
---|
[56] | 1009 | uiSymbol = DM_CHROMA_IDX; |
---|
[2] | 1010 | } |
---|
| 1011 | else |
---|
| 1012 | { |
---|
[56] | 1013 | if( pcCU->getSlice()->getSPS()->getUseLMChroma() ) |
---|
[2] | 1014 | { |
---|
[56] | 1015 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 1 ) ); |
---|
[2] | 1016 | } |
---|
[56] | 1017 | else |
---|
| 1018 | { |
---|
| 1019 | uiSymbol = 1; |
---|
| 1020 | } |
---|
[2] | 1021 | |
---|
[56] | 1022 | if( uiSymbol == 0 ) |
---|
[2] | 1023 | { |
---|
[56] | 1024 | uiSymbol = LM_CHROMA_IDX; |
---|
| 1025 | } |
---|
| 1026 | else |
---|
| 1027 | { |
---|
| 1028 | UInt uiIPredMode; |
---|
| 1029 | #if CHROMA_MODE_CODING |
---|
| 1030 | m_pcTDecBinIf->decodeBinsEP( uiIPredMode, 2 ); |
---|
| 1031 | #else |
---|
| 1032 | xReadUnaryMaxSymbol( uiIPredMode, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 ); |
---|
[2] | 1033 | #endif |
---|
[56] | 1034 | UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ]; |
---|
| 1035 | pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir ); |
---|
| 1036 | uiSymbol = uiAllowedChromaDir[ uiIPredMode ]; |
---|
[2] | 1037 | } |
---|
| 1038 | } |
---|
| 1039 | pcCU->setChromIntraDirSubParts( uiSymbol, uiAbsPartIdx, uiDepth ); |
---|
| 1040 | return; |
---|
| 1041 | } |
---|
| 1042 | |
---|
| 1043 | Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1044 | { |
---|
| 1045 | UInt uiSymbol; |
---|
[56] | 1046 | const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx ); |
---|
| 1047 | ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 ); |
---|
| 1048 | m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + uiCtx ) ); |
---|
| 1049 | |
---|
| 1050 | if( uiSymbol ) |
---|
[2] | 1051 | { |
---|
| 1052 | uiSymbol = 2; |
---|
| 1053 | } |
---|
[56] | 1054 | |
---|
[2] | 1055 | uiSymbol++; |
---|
| 1056 | ruiInterDir = uiSymbol; |
---|
| 1057 | return; |
---|
| 1058 | } |
---|
| 1059 | |
---|
| 1060 | Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
| 1061 | { |
---|
| 1062 | UInt uiSymbol; |
---|
| 1063 | |
---|
| 1064 | if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C ) > 0 && eRefList==REF_PIC_LIST_C) |
---|
| 1065 | { |
---|
[56] | 1066 | ContextModel *pCtx = m_cCURefPicSCModel.get( 0 ); |
---|
| 1067 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
[2] | 1068 | |
---|
[56] | 1069 | if( uiSymbol ) |
---|
[2] | 1070 | { |
---|
[56] | 1071 | xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 ); |
---|
[2] | 1072 | uiSymbol++; |
---|
| 1073 | } |
---|
| 1074 | riRefFrmIdx = uiSymbol; |
---|
| 1075 | } |
---|
| 1076 | else |
---|
| 1077 | { |
---|
[56] | 1078 | ContextModel *pCtx = m_cCURefPicSCModel.get( 0 ); |
---|
| 1079 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
[2] | 1080 | |
---|
[56] | 1081 | if( uiSymbol ) |
---|
| 1082 | { |
---|
| 1083 | xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 ); |
---|
| 1084 | uiSymbol++; |
---|
| 1085 | } |
---|
| 1086 | riRefFrmIdx = uiSymbol; |
---|
[2] | 1087 | } |
---|
| 1088 | |
---|
| 1089 | return; |
---|
| 1090 | } |
---|
| 1091 | |
---|
[56] | 1092 | Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
[2] | 1093 | { |
---|
| 1094 | UInt uiSymbol; |
---|
[56] | 1095 | UInt uiHorAbs; |
---|
| 1096 | UInt uiVerAbs; |
---|
| 1097 | UInt uiHorSign = 0; |
---|
| 1098 | UInt uiVerSign = 0; |
---|
| 1099 | ContextModel *pCtx = m_cCUMvdSCModel.get( 0 ); |
---|
[2] | 1100 | |
---|
[56] | 1101 | #if H0111_MVD_L1_ZERO |
---|
| 1102 | if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3) |
---|
| 1103 | { |
---|
| 1104 | uiHorAbs=0; |
---|
| 1105 | uiVerAbs=0; |
---|
| 1106 | } |
---|
| 1107 | else |
---|
| 1108 | { |
---|
[2] | 1109 | #endif |
---|
| 1110 | |
---|
[56] | 1111 | m_pcTDecBinIf->decodeBin( uiHorAbs, *pCtx ); |
---|
| 1112 | m_pcTDecBinIf->decodeBin( uiVerAbs, *pCtx ); |
---|
[2] | 1113 | |
---|
[56] | 1114 | const Bool bHorAbsGr0 = uiHorAbs != 0; |
---|
| 1115 | const Bool bVerAbsGr0 = uiVerAbs != 0; |
---|
| 1116 | pCtx++; |
---|
| 1117 | |
---|
| 1118 | if( bHorAbsGr0 ) |
---|
| 1119 | { |
---|
| 1120 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
| 1121 | uiHorAbs += uiSymbol; |
---|
| 1122 | } |
---|
| 1123 | |
---|
| 1124 | if( bVerAbsGr0 ) |
---|
| 1125 | { |
---|
| 1126 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
| 1127 | uiVerAbs += uiSymbol; |
---|
| 1128 | } |
---|
| 1129 | |
---|
| 1130 | if( bHorAbsGr0 ) |
---|
| 1131 | { |
---|
| 1132 | if( 2 == uiHorAbs ) |
---|
| 1133 | { |
---|
| 1134 | xReadEpExGolomb( uiSymbol, 1 ); |
---|
| 1135 | uiHorAbs += uiSymbol; |
---|
| 1136 | } |
---|
| 1137 | |
---|
| 1138 | m_pcTDecBinIf->decodeBinEP( uiHorSign ); |
---|
| 1139 | } |
---|
| 1140 | |
---|
| 1141 | if( bVerAbsGr0 ) |
---|
| 1142 | { |
---|
| 1143 | if( 2 == uiVerAbs ) |
---|
| 1144 | { |
---|
| 1145 | xReadEpExGolomb( uiSymbol, 1 ); |
---|
| 1146 | uiVerAbs += uiSymbol; |
---|
| 1147 | } |
---|
| 1148 | |
---|
| 1149 | m_pcTDecBinIf->decodeBinEP( uiVerSign ); |
---|
| 1150 | } |
---|
| 1151 | |
---|
| 1152 | #if H0111_MVD_L1_ZERO |
---|
| 1153 | } |
---|
[2] | 1154 | #endif |
---|
| 1155 | |
---|
[56] | 1156 | const TComMv cMv( uiHorSign ? -Int( uiHorAbs ): uiHorAbs, uiVerSign ? -Int( uiVerAbs ) : uiVerAbs ); |
---|
| 1157 | pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiDepth, uiPartIdx ); |
---|
[2] | 1158 | return; |
---|
| 1159 | } |
---|
| 1160 | |
---|
| 1161 | |
---|
| 1162 | Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) |
---|
| 1163 | { |
---|
| 1164 | m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) ); |
---|
[56] | 1165 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1166 | DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" ) |
---|
| 1167 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1168 | DTRACE_CABAC_V( ruiSubdivFlag ) |
---|
| 1169 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1170 | DTRACE_CABAC_V( uiLog2TransformBlockSize ) |
---|
| 1171 | DTRACE_CABAC_T( "\n" ) |
---|
| 1172 | } |
---|
| 1173 | |
---|
| 1174 | Void TDecSbac::parseQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ) |
---|
| 1175 | { |
---|
| 1176 | UInt uiSymbol; |
---|
[56] | 1177 | const UInt uiCtx = 0; |
---|
[2] | 1178 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) ); |
---|
[56] | 1179 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1180 | DTRACE_CABAC_T( "\tparseQtRootCbf()" ) |
---|
| 1181 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1182 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1183 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1184 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1185 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1186 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1187 | DTRACE_CABAC_T( "\n" ) |
---|
| 1188 | |
---|
| 1189 | uiQtRootCbf = uiSymbol; |
---|
| 1190 | } |
---|
| 1191 | |
---|
| 1192 | Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1193 | { |
---|
[56] | 1194 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1195 | Int qp; |
---|
| 1196 | #endif |
---|
[2] | 1197 | UInt uiDQp; |
---|
| 1198 | Int iDQp; |
---|
| 1199 | |
---|
| 1200 | m_pcTDecBinIf->decodeBin( uiDQp, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) ); |
---|
| 1201 | |
---|
| 1202 | if ( uiDQp == 0 ) |
---|
| 1203 | { |
---|
[56] | 1204 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1205 | qp = pcCU->getRefQP(uiAbsPartIdx); |
---|
| 1206 | #else |
---|
| 1207 | uiDQp = pcCU->getRefQP(uiAbsPartIdx); |
---|
| 1208 | #endif |
---|
[2] | 1209 | } |
---|
| 1210 | else |
---|
| 1211 | { |
---|
[56] | 1212 | UInt uiSign; |
---|
| 1213 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1214 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); |
---|
| 1215 | #else |
---|
| 1216 | UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8); |
---|
| 1217 | #endif |
---|
| 1218 | m_pcTDecBinIf->decodeBinEP(uiSign); |
---|
| 1219 | |
---|
| 1220 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1221 | UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign); |
---|
| 1222 | #else |
---|
| 1223 | UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign); |
---|
| 1224 | #endif |
---|
| 1225 | UInt uiAbsDQpMinus1; |
---|
| 1226 | xReadUnaryMaxSymbol (uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1); |
---|
| 1227 | |
---|
| 1228 | iDQp = uiAbsDQpMinus1 + 1; |
---|
| 1229 | |
---|
| 1230 | if(uiSign) |
---|
[2] | 1231 | { |
---|
| 1232 | iDQp = -iDQp; |
---|
| 1233 | } |
---|
[56] | 1234 | |
---|
| 1235 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1236 | qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+qpBdOffsetY)) - qpBdOffsetY; |
---|
| 1237 | #else |
---|
| 1238 | #if LOSSLESS_CODING |
---|
| 1239 | uiDQp = (pcCU->getRefQP(uiAbsPartIdx) + iDQp + 52) % 52; |
---|
| 1240 | #else |
---|
| 1241 | uiDQp = pcCU->getRefQP(uiAbsPartIdx) + iDQp; |
---|
| 1242 | #endif |
---|
| 1243 | #endif |
---|
[2] | 1244 | } |
---|
| 1245 | |
---|
[56] | 1246 | UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)))<<(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)) ; |
---|
| 1247 | UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ; |
---|
| 1248 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1249 | pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth ); |
---|
| 1250 | #else |
---|
| 1251 | pcCU->setQPSubParts( uiDQp, uiAbsQpCUPartIdx, uiQpCUDepth ); |
---|
| 1252 | #endif |
---|
[2] | 1253 | } |
---|
| 1254 | |
---|
| 1255 | Void TDecSbac::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) |
---|
| 1256 | { |
---|
| 1257 | UInt uiSymbol; |
---|
| 1258 | const UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth ); |
---|
[56] | 1259 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA: eType, uiCtx ) ); |
---|
[2] | 1260 | |
---|
[56] | 1261 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1262 | DTRACE_CABAC_T( "\tparseQtCbf()" ) |
---|
| 1263 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1264 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1265 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1266 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1267 | DTRACE_CABAC_T( "\tetype=" ) |
---|
| 1268 | DTRACE_CABAC_V( eType ) |
---|
| 1269 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1270 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1271 | DTRACE_CABAC_T( "\n" ) |
---|
| 1272 | |
---|
| 1273 | pcCU->setCbfSubParts( uiSymbol << uiTrDepth, eType, uiAbsPartIdx, uiDepth ); |
---|
| 1274 | } |
---|
| 1275 | |
---|
| 1276 | /** Parse (X,Y) position of the last significant coefficient |
---|
| 1277 | * \param uiPosLastX reference to X component of last coefficient |
---|
| 1278 | * \param uiPosLastY reference to Y component of last coefficient |
---|
[56] | 1279 | * \param width Block width |
---|
| 1280 | * \param height Block height |
---|
[2] | 1281 | * \param eTType plane type / luminance or chrominance |
---|
| 1282 | * \param uiScanIdx scan type (zig-zag, hor, ver) |
---|
[56] | 1283 | * |
---|
[2] | 1284 | * This method decodes the X and Y component within a block of the last significant coefficient. |
---|
| 1285 | */ |
---|
[56] | 1286 | Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx ) |
---|
[2] | 1287 | { |
---|
| 1288 | UInt uiLast; |
---|
[56] | 1289 | ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType ); |
---|
| 1290 | ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType ); |
---|
[2] | 1291 | |
---|
[56] | 1292 | // posX |
---|
| 1293 | #if LAST_CTX_REDUCTION |
---|
| 1294 | Int widthCtx = eTType ? 4 : width; |
---|
| 1295 | const UInt *puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] * ( g_aucConvertToBit[ widthCtx ] + 3 ) ); |
---|
| 1296 | #else |
---|
| 1297 | const UInt *puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] * ( g_aucConvertToBit[ width ] + 3 ) ); |
---|
| 1298 | #endif |
---|
| 1299 | for( uiPosLastX = 0; uiPosLastX < g_uiGroupIdx[ width - 1 ]; uiPosLastX++ ) |
---|
[2] | 1300 | { |
---|
[56] | 1301 | #if LAST_CTX_REDUCTION |
---|
| 1302 | if ( eTType ) |
---|
[2] | 1303 | { |
---|
[56] | 1304 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + (uiPosLastX>>g_aucConvertToBit[ width ]) ) ); |
---|
| 1305 | } |
---|
| 1306 | else |
---|
| 1307 | { |
---|
| 1308 | #endif |
---|
| 1309 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + puiCtxIdxX[ uiPosLastX ] ) ); |
---|
| 1310 | #if LAST_CTX_REDUCTION |
---|
| 1311 | } |
---|
| 1312 | #endif |
---|
| 1313 | if( !uiLast ) |
---|
| 1314 | { |
---|
[2] | 1315 | break; |
---|
| 1316 | } |
---|
| 1317 | } |
---|
| 1318 | |
---|
[56] | 1319 | // posY |
---|
| 1320 | #if LAST_CTX_REDUCTION |
---|
| 1321 | Int heightCtx = eTType? 4 : height; |
---|
| 1322 | const UInt *puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] * ( g_aucConvertToBit[ heightCtx ] + 3 ) ); |
---|
| 1323 | #else |
---|
| 1324 | const UInt *puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] * ( g_aucConvertToBit[ height ] + 3 ) ); |
---|
| 1325 | #endif |
---|
| 1326 | for( uiPosLastY = 0; uiPosLastY < g_uiGroupIdx[ height - 1 ]; uiPosLastY++ ) |
---|
[2] | 1327 | { |
---|
[56] | 1328 | #if LAST_CTX_REDUCTION |
---|
| 1329 | if (eTType) |
---|
[2] | 1330 | { |
---|
[56] | 1331 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + (uiPosLastY>>g_aucConvertToBit[ height ]) ) ); |
---|
| 1332 | } |
---|
| 1333 | else |
---|
| 1334 | { |
---|
| 1335 | #endif |
---|
| 1336 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + puiCtxIdxY[ uiPosLastY ] ) ); |
---|
| 1337 | #if LAST_CTX_REDUCTION |
---|
| 1338 | } |
---|
| 1339 | #endif |
---|
| 1340 | if( !uiLast ) |
---|
| 1341 | { |
---|
[2] | 1342 | break; |
---|
| 1343 | } |
---|
| 1344 | } |
---|
[56] | 1345 | if ( uiPosLastX > 3 ) |
---|
| 1346 | { |
---|
| 1347 | UInt uiTemp = 0; |
---|
| 1348 | UInt uiCount = ( uiPosLastX - 2 ) >> 1; |
---|
| 1349 | for ( Int i = uiCount - 1; i >= 0; i-- ) |
---|
| 1350 | { |
---|
| 1351 | m_pcTDecBinIf->decodeBinEP( uiLast ); |
---|
| 1352 | uiTemp += uiLast << i; |
---|
| 1353 | } |
---|
| 1354 | uiPosLastX = g_uiMinInGroup[ uiPosLastX ] + uiTemp; |
---|
| 1355 | } |
---|
| 1356 | if ( uiPosLastY > 3 ) |
---|
| 1357 | { |
---|
| 1358 | UInt uiTemp = 0; |
---|
| 1359 | UInt uiCount = ( uiPosLastY - 2 ) >> 1; |
---|
| 1360 | for ( Int i = uiCount - 1; i >= 0; i-- ) |
---|
| 1361 | { |
---|
| 1362 | m_pcTDecBinIf->decodeBinEP( uiLast ); |
---|
| 1363 | uiTemp += uiLast << i; |
---|
| 1364 | } |
---|
| 1365 | uiPosLastY = g_uiMinInGroup[ uiPosLastY ] + uiTemp; |
---|
| 1366 | } |
---|
| 1367 | |
---|
[2] | 1368 | if( uiScanIdx == SCAN_VER ) |
---|
| 1369 | { |
---|
| 1370 | swap( uiPosLastX, uiPosLastY ); |
---|
| 1371 | } |
---|
| 1372 | } |
---|
| 1373 | |
---|
| 1374 | Void TDecSbac::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) |
---|
| 1375 | { |
---|
[56] | 1376 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1377 | DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" ) |
---|
| 1378 | DTRACE_CABAC_V( eTType ) |
---|
| 1379 | DTRACE_CABAC_T( "\twidth=" ) |
---|
| 1380 | DTRACE_CABAC_V( uiWidth ) |
---|
| 1381 | DTRACE_CABAC_T( "\theight=" ) |
---|
| 1382 | DTRACE_CABAC_V( uiHeight ) |
---|
| 1383 | DTRACE_CABAC_T( "\tdepth=" ) |
---|
| 1384 | DTRACE_CABAC_V( uiDepth ) |
---|
| 1385 | DTRACE_CABAC_T( "\tabspartidx=" ) |
---|
| 1386 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1387 | DTRACE_CABAC_T( "\ttoCU-X=" ) |
---|
| 1388 | DTRACE_CABAC_V( pcCU->getCUPelX() ) |
---|
| 1389 | DTRACE_CABAC_T( "\ttoCU-Y=" ) |
---|
| 1390 | DTRACE_CABAC_V( pcCU->getCUPelY() ) |
---|
| 1391 | DTRACE_CABAC_T( "\tCU-addr=" ) |
---|
| 1392 | DTRACE_CABAC_V( pcCU->getAddr() ) |
---|
| 1393 | DTRACE_CABAC_T( "\tinCU-X=" ) |
---|
| 1394 | DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1395 | DTRACE_CABAC_T( "\tinCU-Y=" ) |
---|
| 1396 | DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1397 | DTRACE_CABAC_T( "\tpredmode=" ) |
---|
| 1398 | DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) ) |
---|
| 1399 | DTRACE_CABAC_T( "\n" ) |
---|
| 1400 | |
---|
| 1401 | if( uiWidth > pcCU->getSlice()->getSPS()->getMaxTrSize() ) |
---|
| 1402 | { |
---|
| 1403 | uiWidth = pcCU->getSlice()->getSPS()->getMaxTrSize(); |
---|
| 1404 | uiHeight = pcCU->getSlice()->getSPS()->getMaxTrSize(); |
---|
| 1405 | } |
---|
| 1406 | |
---|
| 1407 | eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA ); |
---|
| 1408 | |
---|
| 1409 | //----- parse significance map ----- |
---|
| 1410 | const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2; |
---|
[56] | 1411 | const UInt uiMaxNumCoeff = uiWidth * uiHeight; |
---|
[2] | 1412 | const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1; |
---|
[56] | 1413 | UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx)); |
---|
| 1414 | int blockType = uiLog2BlockSize; |
---|
| 1415 | if (uiWidth != uiHeight) |
---|
| 1416 | { |
---|
| 1417 | uiScanIdx = SCAN_DIAG; |
---|
| 1418 | blockType = 4; |
---|
| 1419 | } |
---|
[2] | 1420 | |
---|
[56] | 1421 | //===== decode last significant ===== |
---|
| 1422 | UInt uiPosLastX, uiPosLastY; |
---|
| 1423 | parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, uiHeight, eTType, uiScanIdx ); |
---|
| 1424 | UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockSize); |
---|
| 1425 | pcCoef[ uiBlkPosLast ] = 1; |
---|
[2] | 1426 | |
---|
[56] | 1427 | //===== decode significance flags ===== |
---|
| 1428 | UInt uiScanPosLast = uiBlkPosLast; |
---|
| 1429 | if (uiScanIdx == SCAN_ZIGZAG) |
---|
| 1430 | { |
---|
| 1431 | // Map zigzag to diagonal scan |
---|
| 1432 | uiScanIdx = SCAN_DIAG; |
---|
| 1433 | } |
---|
| 1434 | const UInt * scan; |
---|
| 1435 | if (uiWidth == uiHeight) |
---|
| 1436 | { |
---|
| 1437 | scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize-1 ]; |
---|
| 1438 | } |
---|
| 1439 | else |
---|
| 1440 | { |
---|
| 1441 | scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ]; |
---|
| 1442 | } |
---|
| 1443 | for( uiScanPosLast = 0; uiScanPosLast < uiMaxNumCoeffM1; uiScanPosLast++ ) |
---|
| 1444 | { |
---|
| 1445 | UInt uiBlkPos = scan[ uiScanPosLast ]; |
---|
| 1446 | if( uiBlkPosLast == uiBlkPos ) |
---|
[2] | 1447 | { |
---|
[56] | 1448 | break; |
---|
[2] | 1449 | } |
---|
[56] | 1450 | } |
---|
[2] | 1451 | |
---|
[56] | 1452 | ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType ); |
---|
| 1453 | ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA; |
---|
| 1454 | |
---|
| 1455 | const Int iLastScanSet = uiScanPosLast >> LOG2_SCAN_SET_SIZE; |
---|
| 1456 | UInt uiNumOne = 0; |
---|
| 1457 | UInt uiGoRiceParam = 0; |
---|
| 1458 | |
---|
| 1459 | #if MULTIBITS_DATA_HIDING |
---|
| 1460 | UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG(); |
---|
| 1461 | #if LOSSLESS_CODING |
---|
| 1462 | Bool beValid; |
---|
| 1463 | if (pcCU->isLosslessCoded(uiAbsPartIdx)) |
---|
[2] | 1464 | { |
---|
[56] | 1465 | beValid = false; |
---|
| 1466 | } |
---|
| 1467 | else |
---|
| 1468 | { |
---|
| 1469 | beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0; |
---|
| 1470 | } |
---|
[2] | 1471 | #else |
---|
[56] | 1472 | Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0; |
---|
[2] | 1473 | #endif |
---|
[56] | 1474 | UInt absSum = 0; |
---|
| 1475 | #endif // MULTIBITS_DATA_HIDING |
---|
| 1476 | |
---|
| 1477 | UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ]; |
---|
| 1478 | ::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM ); |
---|
| 1479 | const UInt uiNumBlkSide = uiWidth >> (MLS_CG_SIZE >> 1); |
---|
| 1480 | const UInt * scanCG; |
---|
| 1481 | if (uiWidth == uiHeight) |
---|
| 1482 | { |
---|
| 1483 | scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ]; |
---|
| 1484 | #if MULTILEVEL_SIGMAP_EXT |
---|
| 1485 | if( uiLog2BlockSize == 3 ) |
---|
[2] | 1486 | { |
---|
[56] | 1487 | scanCG = g_sigLastScan8x8[ uiScanIdx ]; |
---|
[2] | 1488 | } |
---|
[56] | 1489 | else if( uiLog2BlockSize == 5 ) |
---|
| 1490 | { |
---|
| 1491 | scanCG = g_sigLastScanCG32x32; |
---|
| 1492 | } |
---|
| 1493 | #endif |
---|
[2] | 1494 | } |
---|
[56] | 1495 | else |
---|
[2] | 1496 | { |
---|
[56] | 1497 | scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ]; |
---|
[2] | 1498 | } |
---|
[56] | 1499 | Int iScanPosSig = (Int) uiScanPosLast; |
---|
| 1500 | for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- ) |
---|
| 1501 | { |
---|
| 1502 | Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE; |
---|
| 1503 | uiGoRiceParam = 0; |
---|
| 1504 | Int numNonZero = 0; |
---|
| 1505 | |
---|
| 1506 | #if MULTIBITS_DATA_HIDING |
---|
| 1507 | Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE; |
---|
[2] | 1508 | #endif |
---|
[56] | 1509 | |
---|
| 1510 | Int pos[SCAN_SET_SIZE]; |
---|
| 1511 | if( iScanPosSig == (Int) uiScanPosLast ) |
---|
| 1512 | { |
---|
| 1513 | #if MULTIBITS_DATA_HIDING |
---|
| 1514 | lastNZPosInCG = iScanPosSig; |
---|
| 1515 | firstNZPosInCG = iScanPosSig; |
---|
[2] | 1516 | #endif |
---|
[56] | 1517 | iScanPosSig--; |
---|
| 1518 | pos[ numNonZero ] = uiBlkPosLast; |
---|
| 1519 | numNonZero = 1; |
---|
| 1520 | } |
---|
[2] | 1521 | |
---|
[56] | 1522 | #if !MULTILEVEL_SIGMAP_EXT |
---|
| 1523 | if( blockType > 3 ) |
---|
[2] | 1524 | { |
---|
| 1525 | #endif |
---|
[56] | 1526 | // decode significant_coeffgroup_flag |
---|
| 1527 | Int iCGBlkPos = scanCG[ iSubSet ]; |
---|
| 1528 | Int iCGPosY = iCGBlkPos / uiNumBlkSide; |
---|
| 1529 | Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide); |
---|
| 1530 | #if MULTILEVEL_SIGMAP_EXT |
---|
| 1531 | if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR || uiScanIdx == SCAN_VER) ) |
---|
[2] | 1532 | { |
---|
[56] | 1533 | iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0); |
---|
| 1534 | iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0); |
---|
[2] | 1535 | } |
---|
[56] | 1536 | #endif |
---|
| 1537 | #if !REMOVE_INFER_SIGGRP |
---|
| 1538 | Bool bInferredCGFlag = false; |
---|
| 1539 | #endif |
---|
| 1540 | #if REMOVE_INFER_SIGGRP |
---|
| 1541 | if( iSubSet == iLastScanSet || iSubSet == 0) |
---|
| 1542 | #else |
---|
| 1543 | if( iSubSet == iLastScanSet ) |
---|
| 1544 | #endif |
---|
[2] | 1545 | { |
---|
[56] | 1546 | uiSigCoeffGroupFlag[ iCGBlkPos ] = 1; |
---|
| 1547 | } |
---|
| 1548 | else |
---|
| 1549 | { |
---|
| 1550 | #if !REMOVE_INFER_SIGGRP |
---|
| 1551 | #if MULTILEVEL_SIGMAP_EXT |
---|
| 1552 | if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight) && ( iSubSet ) ) |
---|
| 1553 | #else |
---|
| 1554 | if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight) && ( iSubSet ) ) |
---|
| 1555 | #endif |
---|
[2] | 1556 | { |
---|
[56] | 1557 | #endif |
---|
| 1558 | UInt uiSigCoeffGroup; |
---|
| 1559 | #if MULTILEVEL_SIGMAP_EXT |
---|
| 1560 | UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ); |
---|
| 1561 | #else |
---|
| 1562 | UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ); |
---|
| 1563 | #endif |
---|
| 1564 | m_pcTDecBinIf->decodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] ); |
---|
| 1565 | uiSigCoeffGroupFlag[ iCGBlkPos ] = uiSigCoeffGroup; |
---|
| 1566 | #if !REMOVE_INFER_SIGGRP |
---|
[2] | 1567 | } |
---|
| 1568 | else |
---|
| 1569 | { |
---|
[56] | 1570 | uiSigCoeffGroupFlag[ iCGBlkPos ] = 1; |
---|
| 1571 | bInferredCGFlag = true; |
---|
[2] | 1572 | } |
---|
[56] | 1573 | #endif |
---|
| 1574 | } |
---|
| 1575 | |
---|
| 1576 | // decode significant_coeff_flag |
---|
| 1577 | UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig; |
---|
| 1578 | for( ; iScanPosSig >= iSubPos; iScanPosSig-- ) |
---|
| 1579 | { |
---|
| 1580 | uiBlkPos = scan[ iScanPosSig ]; |
---|
| 1581 | uiPosY = uiBlkPos >> uiLog2BlockSize; |
---|
| 1582 | uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize ); |
---|
| 1583 | uiSig = 0; |
---|
[2] | 1584 | |
---|
[56] | 1585 | if( uiSigCoeffGroupFlag[ iCGBlkPos ] ) |
---|
[2] | 1586 | { |
---|
[56] | 1587 | #if REMOVE_INFER_SIGGRP |
---|
| 1588 | if( iScanPosSig > iSubPos || iSubSet == 0 || numNonZero ) |
---|
| 1589 | #else |
---|
| 1590 | if( iScanPosSig > iSubPos || bInferredCGFlag || numNonZero ) |
---|
| 1591 | #endif |
---|
[2] | 1592 | { |
---|
[56] | 1593 | uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType ); |
---|
| 1594 | m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] ); |
---|
[2] | 1595 | } |
---|
[56] | 1596 | else |
---|
| 1597 | { |
---|
| 1598 | uiSig = 1; |
---|
| 1599 | } |
---|
[2] | 1600 | } |
---|
[56] | 1601 | pcCoef[ uiBlkPos ] = uiSig; |
---|
| 1602 | if( uiSig ) |
---|
[2] | 1603 | { |
---|
[56] | 1604 | pos[ numNonZero ] = uiBlkPos; |
---|
| 1605 | numNonZero ++; |
---|
| 1606 | #if MULTIBITS_DATA_HIDING |
---|
| 1607 | if( lastNZPosInCG == -1 ) |
---|
[2] | 1608 | { |
---|
[56] | 1609 | lastNZPosInCG = iScanPosSig; |
---|
| 1610 | } |
---|
| 1611 | firstNZPosInCG = iScanPosSig; |
---|
[2] | 1612 | #endif |
---|
| 1613 | } |
---|
[56] | 1614 | } |
---|
| 1615 | #if !MULTILEVEL_SIGMAP_EXT |
---|
| 1616 | } |
---|
| 1617 | else |
---|
| 1618 | { |
---|
| 1619 | for( ; iScanPosSig >= iSubPos; iScanPosSig-- ) |
---|
| 1620 | { |
---|
| 1621 | UInt uiBlkPos = scan[ iScanPosSig ]; |
---|
| 1622 | UInt uiPosY = uiBlkPos >> uiLog2BlockSize; |
---|
| 1623 | UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize ); |
---|
| 1624 | UInt uiSig = 0; |
---|
| 1625 | UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType ); |
---|
| 1626 | m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] ); |
---|
| 1627 | pcCoef[ uiBlkPos ] = uiSig; |
---|
| 1628 | if( uiSig ) |
---|
[2] | 1629 | { |
---|
[56] | 1630 | pos[ numNonZero ] = uiBlkPos; |
---|
| 1631 | numNonZero ++; |
---|
| 1632 | #if MULTIBITS_DATA_HIDING |
---|
| 1633 | if( lastNZPosInCG == -1 ) |
---|
[2] | 1634 | { |
---|
[56] | 1635 | lastNZPosInCG = iScanPosSig; |
---|
[2] | 1636 | } |
---|
[56] | 1637 | firstNZPosInCG = iScanPosSig; |
---|
| 1638 | #endif |
---|
[2] | 1639 | } |
---|
| 1640 | } |
---|
| 1641 | } |
---|
[56] | 1642 | #endif |
---|
| 1643 | |
---|
[2] | 1644 | |
---|
[56] | 1645 | if( numNonZero ) |
---|
[2] | 1646 | { |
---|
[56] | 1647 | #if MULTIBITS_DATA_HIDING |
---|
| 1648 | Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig ); |
---|
| 1649 | absSum = 0; |
---|
| 1650 | #endif // MULTIBITS_DATA_HIDING |
---|
| 1651 | |
---|
| 1652 | UInt c1 = 1; |
---|
| 1653 | #if !RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1654 | UInt c2 = 0; |
---|
| 1655 | #endif |
---|
| 1656 | #if LEVEL_CTX_LUMA_RED |
---|
| 1657 | UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0; |
---|
| 1658 | #else |
---|
| 1659 | UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0; |
---|
| 1660 | #endif |
---|
| 1661 | UInt uiBin; |
---|
[2] | 1662 | |
---|
[56] | 1663 | if( uiNumOne > 0 ) |
---|
[2] | 1664 | { |
---|
[56] | 1665 | uiCtxSet++; |
---|
| 1666 | #if !LEVEL_CTX_LUMA_RED |
---|
| 1667 | if(eTType==TEXT_LUMA && uiNumOne > 3) |
---|
[2] | 1668 | { |
---|
[56] | 1669 | uiCtxSet++; |
---|
[2] | 1670 | } |
---|
[56] | 1671 | #endif |
---|
| 1672 | } |
---|
| 1673 | |
---|
| 1674 | uiNumOne >>= 1; |
---|
| 1675 | ContextModel *baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 * uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet; |
---|
| 1676 | Int absCoeff[SCAN_SET_SIZE]; |
---|
| 1677 | |
---|
| 1678 | #if RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1679 | for ( Int i = 0; i < numNonZero; i++) absCoeff[i] = 1; |
---|
| 1680 | Int numC1Flag = min(numNonZero, C1FLAG_NUMBER); |
---|
| 1681 | Int firstC2FlagIdx = -1; |
---|
| 1682 | |
---|
| 1683 | for( Int idx = 0; idx < numC1Flag; idx++ ) |
---|
| 1684 | #else |
---|
| 1685 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
| 1686 | #endif |
---|
| 1687 | { |
---|
| 1688 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c1] ); |
---|
| 1689 | if( uiBin == 1 ) |
---|
[2] | 1690 | { |
---|
[56] | 1691 | c1 = 0; |
---|
| 1692 | #if RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1693 | if (firstC2FlagIdx == -1) |
---|
| 1694 | { |
---|
| 1695 | firstC2FlagIdx = idx; |
---|
| 1696 | } |
---|
| 1697 | #endif |
---|
| 1698 | } |
---|
| 1699 | else if( (c1 < 3) && (c1 > 0) ) |
---|
| 1700 | { |
---|
[2] | 1701 | c1++; |
---|
| 1702 | } |
---|
[56] | 1703 | absCoeff[ idx ] = uiBin + 1; |
---|
| 1704 | } |
---|
| 1705 | |
---|
| 1706 | if (c1 == 0) |
---|
| 1707 | { |
---|
| 1708 | #if RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1709 | baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet; |
---|
| 1710 | if ( firstC2FlagIdx != -1) |
---|
[2] | 1711 | { |
---|
[56] | 1712 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[0] ); |
---|
| 1713 | absCoeff[ firstC2FlagIdx ] = uiBin + 2; |
---|
[2] | 1714 | } |
---|
[56] | 1715 | #else |
---|
| 1716 | baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet; |
---|
| 1717 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
| 1718 | { |
---|
| 1719 | if( absCoeff[ idx ] == 2 ) |
---|
| 1720 | { |
---|
| 1721 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c2] ); |
---|
| 1722 | absCoeff[ idx ] = uiBin + 2; |
---|
| 1723 | c2 += (c2 < 2); |
---|
| 1724 | uiNumOne++; |
---|
| 1725 | } |
---|
| 1726 | } |
---|
| 1727 | #endif |
---|
[2] | 1728 | } |
---|
[56] | 1729 | |
---|
| 1730 | #if MULTIBITS_DATA_HIDING |
---|
| 1731 | UInt coeffSigns; |
---|
| 1732 | if ( signHidden && beValid ) |
---|
| 1733 | { |
---|
| 1734 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero-1 ); |
---|
| 1735 | coeffSigns <<= 32 - (numNonZero-1); |
---|
| 1736 | } |
---|
| 1737 | else |
---|
| 1738 | { |
---|
| 1739 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero ); |
---|
| 1740 | coeffSigns <<= 32 - numNonZero; |
---|
| 1741 | } |
---|
| 1742 | #else |
---|
| 1743 | UInt coeffSigns; |
---|
| 1744 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero ); |
---|
| 1745 | coeffSigns <<= 32 - numNonZero; |
---|
| 1746 | #endif |
---|
[2] | 1747 | |
---|
[56] | 1748 | #if RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1749 | Int iFirstCoeff2 = 1; |
---|
| 1750 | if (c1 == 0 || numNonZero > C1FLAG_NUMBER) |
---|
| 1751 | #else |
---|
| 1752 | if (c1 == 0) |
---|
| 1753 | #endif |
---|
[2] | 1754 | { |
---|
[56] | 1755 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
[2] | 1756 | { |
---|
[56] | 1757 | #if RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1758 | UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2) : 1; |
---|
[2] | 1759 | |
---|
[56] | 1760 | if( absCoeff[ idx ] == baseLevel) |
---|
[2] | 1761 | { |
---|
[56] | 1762 | UInt uiLevel; |
---|
[2] | 1763 | xReadGoRiceExGolomb( uiLevel, uiGoRiceParam ); |
---|
[56] | 1764 | absCoeff[ idx ] = uiLevel + baseLevel; |
---|
[2] | 1765 | } |
---|
[56] | 1766 | |
---|
| 1767 | if(absCoeff[ idx ] >= 2) |
---|
[2] | 1768 | { |
---|
[56] | 1769 | iFirstCoeff2 = 0; |
---|
| 1770 | uiNumOne++; |
---|
[2] | 1771 | } |
---|
| 1772 | #else |
---|
[56] | 1773 | if( absCoeff[ idx ] == 3 ) |
---|
| 1774 | { |
---|
| 1775 | UInt uiLevel; |
---|
| 1776 | xReadGoRiceExGolomb( uiLevel, uiGoRiceParam ); |
---|
| 1777 | absCoeff[ idx ] = uiLevel + 3; |
---|
| 1778 | } |
---|
[2] | 1779 | #endif |
---|
| 1780 | } |
---|
| 1781 | } |
---|
[56] | 1782 | |
---|
| 1783 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
[2] | 1784 | { |
---|
[56] | 1785 | Int blkPos = pos[ idx ]; |
---|
| 1786 | #if MULTIBITS_DATA_HIDING |
---|
| 1787 | // Signs applied later. |
---|
| 1788 | pcCoef[ blkPos ] = absCoeff[ idx ]; |
---|
| 1789 | absSum += absCoeff[ idx ]; |
---|
| 1790 | |
---|
| 1791 | if ( idx == numNonZero-1 && signHidden && beValid ) |
---|
| 1792 | { |
---|
| 1793 | // Infer sign of 1st element. |
---|
| 1794 | if (absSum&0x1) |
---|
| 1795 | pcCoef[ blkPos ] = -pcCoef[ blkPos ]; |
---|
| 1796 | } |
---|
| 1797 | else |
---|
| 1798 | { |
---|
| 1799 | Int sign = static_cast<Int>( coeffSigns ) >> 31; |
---|
| 1800 | pcCoef[ blkPos ] = ( pcCoef[ blkPos ] ^ sign ) - sign; |
---|
| 1801 | coeffSigns <<= 1; |
---|
| 1802 | } |
---|
| 1803 | #else |
---|
| 1804 | Int sign = static_cast<Int>( coeffSigns ) >> 31; |
---|
| 1805 | pcCoef[ blkPos ] = ( absCoeff[ idx ] ^ sign ) - sign; |
---|
| 1806 | coeffSigns <<= 1; |
---|
| 1807 | #endif |
---|
[2] | 1808 | } |
---|
| 1809 | } |
---|
[56] | 1810 | else |
---|
| 1811 | { |
---|
| 1812 | uiNumOne >>= 1; |
---|
| 1813 | } |
---|
[2] | 1814 | } |
---|
| 1815 | |
---|
| 1816 | return; |
---|
| 1817 | } |
---|
| 1818 | |
---|
| 1819 | |
---|
[56] | 1820 | #if SAO_UNIT_INTERLEAVING |
---|
| 1821 | Void TDecSbac::parseSaoUvlc (UInt& ruiVal) |
---|
[2] | 1822 | { |
---|
| 1823 | UInt uiCode; |
---|
| 1824 | Int i; |
---|
[56] | 1825 | |
---|
| 1826 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 1827 | if ( uiCode == 0 ) |
---|
| 1828 | { |
---|
| 1829 | ruiVal = 0; |
---|
| 1830 | return; |
---|
| 1831 | } |
---|
[56] | 1832 | |
---|
[2] | 1833 | i=1; |
---|
| 1834 | while (1) |
---|
| 1835 | { |
---|
[56] | 1836 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 1 ) ); |
---|
[2] | 1837 | if ( uiCode == 0 ) break; |
---|
| 1838 | i++; |
---|
| 1839 | } |
---|
[56] | 1840 | |
---|
[2] | 1841 | ruiVal = i; |
---|
| 1842 | } |
---|
| 1843 | |
---|
[56] | 1844 | Void TDecSbac::parseSaoSvlc (Int& riVal) |
---|
[2] | 1845 | { |
---|
| 1846 | UInt uiCode; |
---|
| 1847 | Int iSign; |
---|
| 1848 | Int i; |
---|
[56] | 1849 | |
---|
| 1850 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 0 ) ); |
---|
| 1851 | |
---|
[2] | 1852 | if ( uiCode == 0 ) |
---|
| 1853 | { |
---|
| 1854 | riVal = 0; |
---|
| 1855 | return; |
---|
| 1856 | } |
---|
[56] | 1857 | |
---|
[2] | 1858 | // read sign |
---|
[56] | 1859 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 1 ) ); |
---|
| 1860 | |
---|
| 1861 | if ( uiCode == 0 ) |
---|
| 1862 | { |
---|
| 1863 | iSign = 1; |
---|
| 1864 | } |
---|
| 1865 | else |
---|
| 1866 | { |
---|
| 1867 | iSign = -1; |
---|
| 1868 | } |
---|
| 1869 | |
---|
[2] | 1870 | // read magnitude |
---|
| 1871 | i=1; |
---|
| 1872 | while (1) |
---|
| 1873 | { |
---|
[56] | 1874 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 2 ) ); |
---|
[2] | 1875 | if ( uiCode == 0 ) break; |
---|
| 1876 | i++; |
---|
| 1877 | } |
---|
[56] | 1878 | |
---|
[2] | 1879 | riVal = i*iSign; |
---|
| 1880 | } |
---|
| 1881 | |
---|
[56] | 1882 | Void TDecSbac::parseSaoUflc (UInt& riVal) |
---|
[2] | 1883 | { |
---|
| 1884 | UInt uiSymbol; |
---|
[56] | 1885 | riVal = 0; |
---|
| 1886 | for (Int i=0;i<5;i++) |
---|
| 1887 | { |
---|
| 1888 | m_pcTDecBinIf->decodeBinEP ( uiSymbol ); |
---|
| 1889 | if (uiSymbol) |
---|
| 1890 | { |
---|
| 1891 | riVal |= (1<<i); |
---|
| 1892 | } |
---|
| 1893 | } |
---|
[2] | 1894 | } |
---|
[56] | 1895 | Void TDecSbac::parseSaoMergeLeft (UInt& ruiVal, UInt uiCompIdx) |
---|
| 1896 | { |
---|
| 1897 | UInt uiCode; |
---|
| 1898 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ) ); |
---|
| 1899 | ruiVal = (Int)uiCode; |
---|
| 1900 | } |
---|
[2] | 1901 | |
---|
[56] | 1902 | Void TDecSbac::parseSaoMergeUp (UInt& ruiVal) |
---|
[2] | 1903 | { |
---|
| 1904 | UInt uiCode; |
---|
[56] | 1905 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeUpSCModel.get( 0, 0, 0 ) ); |
---|
| 1906 | ruiVal = (Int)uiCode; |
---|
| 1907 | } |
---|
| 1908 | Void TDecSbac::parseSaoTypeIdx (UInt& ruiVal) |
---|
| 1909 | { |
---|
| 1910 | UInt uiCode; |
---|
[2] | 1911 | Int i; |
---|
[56] | 1912 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 1913 | if ( uiCode == 0 ) |
---|
| 1914 | { |
---|
| 1915 | ruiVal = 0; |
---|
| 1916 | return; |
---|
| 1917 | } |
---|
| 1918 | i=1; |
---|
| 1919 | while (1) |
---|
| 1920 | { |
---|
[56] | 1921 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) ); |
---|
[2] | 1922 | if ( uiCode == 0 ) break; |
---|
| 1923 | i++; |
---|
| 1924 | } |
---|
| 1925 | ruiVal = i; |
---|
| 1926 | } |
---|
| 1927 | |
---|
[56] | 1928 | inline Void copySaoOneLcuParam(SaoLcuParam* psDst, SaoLcuParam* psSrc) |
---|
[2] | 1929 | { |
---|
[56] | 1930 | Int i; |
---|
| 1931 | psDst->partIdx = psSrc->partIdx; |
---|
| 1932 | psDst->typeIdx = psSrc->typeIdx; |
---|
| 1933 | if (psDst->typeIdx != -1) |
---|
| 1934 | { |
---|
| 1935 | if (psDst->typeIdx == SAO_BO) |
---|
| 1936 | { |
---|
| 1937 | psDst->bandPosition = psSrc->bandPosition ; |
---|
| 1938 | } |
---|
| 1939 | else |
---|
| 1940 | { |
---|
| 1941 | psDst->bandPosition = 0; |
---|
| 1942 | } |
---|
| 1943 | psDst->length = psSrc->length; |
---|
| 1944 | for (i=0;i<psDst->length;i++) |
---|
| 1945 | { |
---|
| 1946 | psDst->offset[i] = psSrc->offset[i]; |
---|
| 1947 | } |
---|
| 1948 | } |
---|
| 1949 | else |
---|
| 1950 | { |
---|
| 1951 | psDst->length = 0; |
---|
| 1952 | for (i=0;i<SAO_BO_LEN;i++) |
---|
| 1953 | { |
---|
| 1954 | psDst->offset[i] = 0; |
---|
| 1955 | } |
---|
| 1956 | } |
---|
| 1957 | } |
---|
| 1958 | Void TDecSbac::parseSaoOffset(SaoLcuParam* psSaoLcuParam) |
---|
| 1959 | { |
---|
| 1960 | UInt uiSymbol; |
---|
| 1961 | Int iSymbol; |
---|
| 1962 | static Int iTypeLength[MAX_NUM_SAO_TYPE] = { |
---|
| 1963 | SAO_EO_LEN, |
---|
| 1964 | SAO_EO_LEN, |
---|
| 1965 | SAO_EO_LEN, |
---|
| 1966 | SAO_EO_LEN, |
---|
| 1967 | SAO_BO_LEN |
---|
| 1968 | }; |
---|
[2] | 1969 | |
---|
[56] | 1970 | parseSaoTypeIdx(uiSymbol); |
---|
| 1971 | psSaoLcuParam->typeIdx = (Int)uiSymbol - 1; |
---|
| 1972 | if (uiSymbol) |
---|
| 1973 | { |
---|
| 1974 | psSaoLcuParam->length = iTypeLength[psSaoLcuParam->typeIdx]; |
---|
| 1975 | if( psSaoLcuParam->typeIdx == SAO_BO ) |
---|
| 1976 | { |
---|
| 1977 | // Parse Left Band Index |
---|
| 1978 | parseSaoUflc( uiSymbol ); |
---|
| 1979 | psSaoLcuParam->bandPosition = uiSymbol; |
---|
| 1980 | for(Int i=0; i< psSaoLcuParam->length; i++) |
---|
| 1981 | { |
---|
| 1982 | parseSaoSvlc(iSymbol); |
---|
| 1983 | psSaoLcuParam->offset[i] = iSymbol; |
---|
| 1984 | } |
---|
| 1985 | } |
---|
| 1986 | else if( psSaoLcuParam->typeIdx < 4 ) |
---|
| 1987 | { |
---|
| 1988 | parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[0] = uiSymbol; |
---|
| 1989 | parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[1] = uiSymbol; |
---|
| 1990 | parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[2] = -(Int)uiSymbol; |
---|
| 1991 | parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[3] = -(Int)uiSymbol; |
---|
| 1992 | } |
---|
| 1993 | } |
---|
| 1994 | else |
---|
| 1995 | { |
---|
| 1996 | psSaoLcuParam->length = 0; |
---|
| 1997 | } |
---|
| 1998 | } |
---|
[2] | 1999 | |
---|
[56] | 2000 | Void TDecSbac::parseSaoOneLcuInterleaving(Int rx, Int ry, SAOParam* pSaoParam, TComDataCU* pcCU, Int iCUAddrInSlice, Int iCUAddrUpInSlice, Bool bLFCrossSliceBoundaryFlag) |
---|
| 2001 | { |
---|
| 2002 | Int iAddr = pcCU->getAddr(); |
---|
| 2003 | UInt uiSymbol; |
---|
| 2004 | for (Int iCompIdx=0; iCompIdx<3; iCompIdx++) |
---|
[2] | 2005 | { |
---|
[56] | 2006 | pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0; |
---|
| 2007 | pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0; |
---|
| 2008 | pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0; |
---|
| 2009 | pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1; |
---|
| 2010 | pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[0] = 0; |
---|
| 2011 | pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[1] = 0; |
---|
| 2012 | pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[2] = 0; |
---|
| 2013 | pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[3] = 0; |
---|
| 2014 | |
---|
| 2015 | if (pSaoParam->bSaoFlag[iCompIdx]) |
---|
| 2016 | { |
---|
| 2017 | if (rx>0 && iCUAddrInSlice!=0) |
---|
| 2018 | { |
---|
| 2019 | parseSaoMergeLeft(uiSymbol,iCompIdx); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = (Int)uiSymbol; |
---|
| 2020 | } |
---|
| 2021 | else |
---|
| 2022 | { |
---|
| 2023 | pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0; |
---|
| 2024 | } |
---|
| 2025 | |
---|
| 2026 | if (pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag==0) |
---|
| 2027 | { |
---|
| 2028 | if ((ry > 0) && (iCUAddrUpInSlice>0||bLFCrossSliceBoundaryFlag)) |
---|
| 2029 | { |
---|
| 2030 | parseSaoMergeUp(uiSymbol); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = uiSymbol; |
---|
| 2031 | } |
---|
| 2032 | else |
---|
| 2033 | { |
---|
| 2034 | pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0; |
---|
| 2035 | } |
---|
| 2036 | if (!pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag) |
---|
| 2037 | { |
---|
| 2038 | parseSaoOffset(&(pSaoParam->saoLcuParam[iCompIdx][iAddr])); |
---|
| 2039 | } |
---|
| 2040 | else |
---|
| 2041 | { |
---|
| 2042 | copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-pSaoParam->numCuInWidth]); |
---|
| 2043 | } |
---|
| 2044 | } |
---|
| 2045 | else |
---|
| 2046 | { |
---|
| 2047 | copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-1]); |
---|
| 2048 | } |
---|
| 2049 | } |
---|
| 2050 | else |
---|
| 2051 | { |
---|
| 2052 | pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1; |
---|
| 2053 | pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0; |
---|
| 2054 | } |
---|
[2] | 2055 | } |
---|
[56] | 2056 | } |
---|
| 2057 | #endif |
---|
[2] | 2058 | |
---|
[56] | 2059 | /** |
---|
| 2060 | - Initialize our contexts from the nominated source. |
---|
| 2061 | . |
---|
| 2062 | \param pSrc Contexts to be copied. |
---|
| 2063 | */ |
---|
| 2064 | Void TDecSbac::xCopyContextsFrom( TDecSbac* pSrc ) |
---|
| 2065 | { |
---|
| 2066 | memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0])); |
---|
| 2067 | } |
---|
[2] | 2068 | |
---|
[56] | 2069 | Void TDecSbac::xCopyFrom( TDecSbac* pSrc ) |
---|
| 2070 | { |
---|
| 2071 | m_pcTDecBinIf->copyState( pSrc->m_pcTDecBinIf ); |
---|
[2] | 2072 | |
---|
[56] | 2073 | m_uiLastQp = pSrc->m_uiLastQp; |
---|
| 2074 | xCopyContextsFrom( pSrc ); |
---|
| 2075 | |
---|
| 2076 | } |
---|
| 2077 | |
---|
| 2078 | Void TDecSbac::load ( TDecSbac* pScr ) |
---|
| 2079 | { |
---|
| 2080 | xCopyFrom(pScr); |
---|
| 2081 | } |
---|
| 2082 | |
---|
| 2083 | Void TDecSbac::loadContexts ( TDecSbac* pScr ) |
---|
| 2084 | { |
---|
| 2085 | xCopyContextsFrom(pScr); |
---|
| 2086 | } |
---|
| 2087 | |
---|
| 2088 | #if OL_FLUSH |
---|
| 2089 | Void TDecSbac::decodeFlush ( ) |
---|
| 2090 | { |
---|
| 2091 | UInt uiBit; |
---|
| 2092 | m_pcTDecBinIf->decodeBinTrm(uiBit); |
---|
| 2093 | m_pcTDecBinIf->flush(); |
---|
| 2094 | |
---|
| 2095 | } |
---|
| 2096 | #endif |
---|
| 2097 | |
---|
[100] | 2098 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX || (LGE_EDGE_INTRA && LGE_EDGE_INTRA_DELTA_DC) |
---|
[56] | 2099 | Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel ) |
---|
| 2100 | { |
---|
| 2101 | UInt uiSymbol; |
---|
| 2102 | UInt uiCount = 0; |
---|
| 2103 | do |
---|
[2] | 2104 | { |
---|
[56] | 2105 | m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel ); |
---|
| 2106 | uiCount++; |
---|
[2] | 2107 | } |
---|
[56] | 2108 | while( uiSymbol && ( uiCount != 13 ) ); |
---|
[2] | 2109 | |
---|
[56] | 2110 | ruiSymbol = uiCount - 1; |
---|
| 2111 | |
---|
| 2112 | if( uiSymbol ) |
---|
| 2113 | { |
---|
| 2114 | xReadEpExGolomb( uiSymbol, 0 ); |
---|
| 2115 | ruiSymbol += uiSymbol + 1; |
---|
| 2116 | } |
---|
| 2117 | |
---|
| 2118 | return; |
---|
[2] | 2119 | } |
---|
| 2120 | #endif |
---|
[56] | 2121 | #if HHI_DMM_WEDGE_INTRA |
---|
| 2122 | Void TDecSbac::xParseWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2123 | { |
---|
| 2124 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 2125 | Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx]; |
---|
| 2126 | |
---|
| 2127 | UInt uiSymbol, uiTabIdx = 0; |
---|
| 2128 | for ( Int i = 0; i < iBits; i++ ) |
---|
| 2129 | { |
---|
| 2130 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) ); |
---|
| 2131 | uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0; |
---|
| 2132 | uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0; |
---|
| 2133 | uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0; |
---|
| 2134 | uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0; |
---|
| 2135 | uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0; |
---|
| 2136 | uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0; |
---|
| 2137 | uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0; |
---|
| 2138 | uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0; |
---|
| 2139 | uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0; |
---|
| 2140 | uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0; |
---|
| 2141 | uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0; |
---|
| 2142 | uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0; |
---|
| 2143 | uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0; |
---|
| 2144 | } |
---|
| 2145 | |
---|
| 2146 | pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth ); |
---|
| 2147 | } |
---|
| 2148 | |
---|
| 2149 | Void TDecSbac::xParseWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2150 | { |
---|
| 2151 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 2152 | Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx]; |
---|
| 2153 | |
---|
| 2154 | UInt uiSymbol, uiTabIdx = 0; |
---|
| 2155 | for ( Int i = 0; i < iBits; i++ ) |
---|
| 2156 | { |
---|
| 2157 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) ); |
---|
| 2158 | uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0; |
---|
| 2159 | uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0; |
---|
| 2160 | uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0; |
---|
| 2161 | uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0; |
---|
| 2162 | uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0; |
---|
| 2163 | uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0; |
---|
| 2164 | uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0; |
---|
| 2165 | uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0; |
---|
| 2166 | uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0; |
---|
| 2167 | uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0; |
---|
| 2168 | uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0; |
---|
| 2169 | uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0; |
---|
| 2170 | uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0; |
---|
| 2171 | } |
---|
| 2172 | |
---|
| 2173 | pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth ); |
---|
| 2174 | |
---|
| 2175 | UInt uiDC1, uiDC2; |
---|
| 2176 | xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2177 | Int iDC1 = uiDC1; |
---|
| 2178 | if ( uiDC1 ) |
---|
| 2179 | { |
---|
| 2180 | UInt uiSign; |
---|
| 2181 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2182 | if ( uiSign ) |
---|
| 2183 | { |
---|
| 2184 | iDC1 = -iDC1; |
---|
| 2185 | } |
---|
| 2186 | } |
---|
| 2187 | xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2188 | Int iDC2 = uiDC2; |
---|
| 2189 | if ( uiDC2 ) |
---|
| 2190 | { |
---|
| 2191 | UInt uiSign; |
---|
| 2192 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2193 | if ( uiSign ) |
---|
| 2194 | { |
---|
| 2195 | iDC2 = -iDC2; |
---|
| 2196 | } |
---|
| 2197 | } |
---|
| 2198 | |
---|
| 2199 | pcCU->setWedgeFullDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 2200 | pcCU->setWedgeFullDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 2201 | } |
---|
| 2202 | |
---|
| 2203 | Void TDecSbac::xParseWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2204 | { |
---|
| 2205 | if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 ) |
---|
| 2206 | { |
---|
| 2207 | UInt uiDeltaEnd = 0; |
---|
| 2208 | m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) ); |
---|
| 2209 | |
---|
| 2210 | Int iDeltaEnd; |
---|
| 2211 | if( uiDeltaEnd != 0 ) |
---|
| 2212 | { |
---|
| 2213 | UInt uiAbsValMinus1; |
---|
| 2214 | UInt uiSymbol; |
---|
| 2215 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol; |
---|
| 2216 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 |= uiSymbol << 1; |
---|
| 2217 | uiDeltaEnd = uiAbsValMinus1 + 1; |
---|
| 2218 | |
---|
| 2219 | iDeltaEnd = uiDeltaEnd; |
---|
| 2220 | UInt uiSign; |
---|
| 2221 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2222 | if( uiSign ) |
---|
| 2223 | { |
---|
| 2224 | iDeltaEnd = -iDeltaEnd; |
---|
| 2225 | } |
---|
| 2226 | } |
---|
| 2227 | else |
---|
| 2228 | { |
---|
| 2229 | iDeltaEnd = 0; |
---|
| 2230 | } |
---|
| 2231 | pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth ); |
---|
| 2232 | } |
---|
| 2233 | } |
---|
| 2234 | |
---|
| 2235 | Void TDecSbac::xParseWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2236 | { |
---|
| 2237 | if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 ) |
---|
| 2238 | { |
---|
| 2239 | UInt uiDeltaEnd = 0; |
---|
| 2240 | m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) ); |
---|
| 2241 | |
---|
| 2242 | Int iDeltaEnd; |
---|
| 2243 | if( uiDeltaEnd != 0 ) |
---|
| 2244 | { |
---|
| 2245 | UInt uiAbsValMinus1; |
---|
| 2246 | UInt uiSymbol; |
---|
| 2247 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol; |
---|
| 2248 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 |= uiSymbol << 1; |
---|
| 2249 | uiDeltaEnd = uiAbsValMinus1 + 1; |
---|
| 2250 | |
---|
| 2251 | iDeltaEnd = uiDeltaEnd; |
---|
| 2252 | UInt uiSign; |
---|
| 2253 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2254 | if( uiSign ) |
---|
| 2255 | { |
---|
| 2256 | iDeltaEnd = -iDeltaEnd; |
---|
| 2257 | } |
---|
| 2258 | } |
---|
| 2259 | else |
---|
| 2260 | { |
---|
| 2261 | iDeltaEnd = 0; |
---|
| 2262 | } |
---|
| 2263 | |
---|
| 2264 | pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth ); |
---|
| 2265 | } |
---|
| 2266 | |
---|
| 2267 | UInt uiDC1, uiDC2; |
---|
| 2268 | xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2269 | Int iDC1 = uiDC1; |
---|
| 2270 | if ( uiDC1 ) |
---|
| 2271 | { |
---|
| 2272 | UInt uiSign; |
---|
| 2273 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2274 | if ( uiSign ) |
---|
| 2275 | { |
---|
| 2276 | iDC1 = -iDC1; |
---|
| 2277 | } |
---|
| 2278 | } |
---|
| 2279 | xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2280 | Int iDC2 = uiDC2; |
---|
| 2281 | if ( uiDC2 ) |
---|
| 2282 | { |
---|
| 2283 | UInt uiSign; |
---|
| 2284 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2285 | if ( uiSign ) |
---|
| 2286 | { |
---|
| 2287 | iDC2 = -iDC2; |
---|
| 2288 | } |
---|
| 2289 | } |
---|
| 2290 | |
---|
| 2291 | pcCU->setWedgePredDirDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 2292 | pcCU->setWedgePredDirDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 2293 | } |
---|
| 2294 | #endif |
---|
| 2295 | #if HHI_DMM_PRED_TEX |
---|
| 2296 | Void TDecSbac::xParseWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2297 | { |
---|
| 2298 | UInt uiDC1, uiDC2; |
---|
| 2299 | xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2300 | Int iDC1 = uiDC1; |
---|
| 2301 | if ( uiDC1 ) |
---|
| 2302 | { |
---|
| 2303 | UInt uiSign; |
---|
| 2304 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2305 | if ( uiSign ) |
---|
| 2306 | { |
---|
| 2307 | iDC1 = -iDC1; |
---|
| 2308 | } |
---|
| 2309 | } |
---|
| 2310 | xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2311 | Int iDC2 = uiDC2; |
---|
| 2312 | if ( uiDC2 ) |
---|
| 2313 | { |
---|
| 2314 | UInt uiSign; |
---|
| 2315 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2316 | if ( uiSign ) |
---|
| 2317 | { |
---|
| 2318 | iDC2 = -iDC2; |
---|
| 2319 | } |
---|
| 2320 | } |
---|
| 2321 | |
---|
| 2322 | pcCU->setWedgePredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 2323 | pcCU->setWedgePredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 2324 | } |
---|
| 2325 | |
---|
| 2326 | Void TDecSbac::xParseContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2327 | { |
---|
| 2328 | UInt uiDC1, uiDC2; |
---|
| 2329 | xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2330 | Int iDC1 = uiDC1; |
---|
| 2331 | if ( uiDC1 ) |
---|
| 2332 | { |
---|
| 2333 | UInt uiSign; |
---|
| 2334 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2335 | if ( uiSign ) |
---|
| 2336 | { |
---|
| 2337 | iDC1 = -iDC1; |
---|
| 2338 | } |
---|
| 2339 | } |
---|
| 2340 | xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2341 | Int iDC2 = uiDC2; |
---|
| 2342 | if ( uiDC2 ) |
---|
| 2343 | { |
---|
| 2344 | UInt uiSign; |
---|
| 2345 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2346 | if ( uiSign ) |
---|
| 2347 | { |
---|
| 2348 | iDC2 = -iDC2; |
---|
| 2349 | } |
---|
| 2350 | } |
---|
| 2351 | |
---|
| 2352 | pcCU->setContourPredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 2353 | pcCU->setContourPredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 2354 | } |
---|
| 2355 | #endif |
---|
[100] | 2356 | |
---|
| 2357 | #if LGE_EDGE_INTRA |
---|
| 2358 | Void TDecSbac::xParseEdgeIntraInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2359 | { |
---|
| 2360 | UInt uiSymbol = 0; |
---|
| 2361 | |
---|
| 2362 | // 1. Top(0) or Left(1) |
---|
| 2363 | UChar ucLeft; |
---|
| 2364 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 2365 | ucLeft = uiSymbol; |
---|
| 2366 | |
---|
| 2367 | // 2. Start position (lowest bit first) |
---|
| 2368 | UChar ucStart = 0; |
---|
| 2369 | for( UInt ui = 0; ui < 6 - uiDepth; ui++ ) |
---|
| 2370 | { |
---|
| 2371 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 2372 | ucStart |= (uiSymbol << ui); |
---|
| 2373 | } |
---|
| 2374 | |
---|
| 2375 | // 3. Number of edges |
---|
| 2376 | UChar ucMax = 0; |
---|
| 2377 | for( UInt ui = 0; ui < 7 - uiDepth; ui++ ) |
---|
| 2378 | { |
---|
| 2379 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 2380 | ucMax |= (uiSymbol << ui); |
---|
| 2381 | } |
---|
| 2382 | ucMax++; // +1 |
---|
| 2383 | |
---|
| 2384 | // 4. Edges |
---|
| 2385 | UChar* pucSymbolList = (UChar*) xMalloc( UChar, 256 * LGE_EDGE_INTRA_MAX_EDGE_NUM_PER_4x4 ); |
---|
| 2386 | UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiAbsPartIdx ); |
---|
| 2387 | for( Int iPtr = 0; iPtr < ucMax; iPtr++ ) |
---|
| 2388 | { |
---|
| 2389 | UChar ucEdge = 0; |
---|
| 2390 | UInt uiReorderEdge = 0; |
---|
| 2391 | // Left-friendly direction |
---|
| 2392 | // 0 ( 0deg) => 0 |
---|
| 2393 | // 1 ( 45deg) => 10 |
---|
| 2394 | // 2 ( -45deg) => 110 |
---|
| 2395 | // 3 ( 90deg) => 1110 |
---|
| 2396 | // 4 ( -90deg) => 11110 |
---|
| 2397 | // 5 ( 135deg) => 111110 |
---|
| 2398 | // 6 (-135deg) => 111111 |
---|
| 2399 | // Right-friendly direction |
---|
| 2400 | // 0 ( 0deg) => 0 |
---|
| 2401 | // 1 ( -45deg) => 10 |
---|
| 2402 | // 2 ( 45deg) => 110 |
---|
| 2403 | // 3 ( -90deg) => 1110 |
---|
| 2404 | // 4 ( 90deg) => 11110 |
---|
| 2405 | // 5 (-135deg) => 111110 |
---|
| 2406 | // 6 ( 135deg) => 111111 |
---|
| 2407 | // refer to a paper "An efficient chain code with Huffman coding" |
---|
| 2408 | for( UInt ui = 0; ui < 6; ui++ ) |
---|
| 2409 | { |
---|
| 2410 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) ); |
---|
| 2411 | ucEdge <<= 1; |
---|
| 2412 | ucEdge |= uiSymbol; |
---|
| 2413 | if( uiSymbol == 0 ) |
---|
| 2414 | break; |
---|
| 2415 | } |
---|
| 2416 | |
---|
| 2417 | switch( ucEdge ) |
---|
| 2418 | { |
---|
| 2419 | case 0 : // "0" |
---|
| 2420 | uiReorderEdge = 0; |
---|
| 2421 | break; |
---|
| 2422 | case 2 : // "10" |
---|
| 2423 | uiReorderEdge = 1; |
---|
| 2424 | break; |
---|
| 2425 | case 6 : // "110" |
---|
| 2426 | uiReorderEdge = 2; |
---|
| 2427 | break; |
---|
| 2428 | case 14 : // "1110" |
---|
| 2429 | uiReorderEdge = 3; |
---|
| 2430 | break; |
---|
| 2431 | case 30 : // "11110" |
---|
| 2432 | uiReorderEdge = 4; |
---|
| 2433 | break; |
---|
| 2434 | case 62 : // "111110" |
---|
| 2435 | uiReorderEdge = 5; |
---|
| 2436 | break; |
---|
| 2437 | case 63 : // "111111" |
---|
| 2438 | uiReorderEdge = 6; |
---|
| 2439 | break; |
---|
| 2440 | default : |
---|
| 2441 | printf("parseIntraEdgeChain: error (unknown code %d)\n",ucEdge); |
---|
| 2442 | assert(false); |
---|
| 2443 | break; |
---|
| 2444 | } |
---|
| 2445 | pucSymbolList[iPtr] = uiReorderEdge; |
---|
| 2446 | } |
---|
| 2447 | ///////////////////// |
---|
| 2448 | // Edge Reconstruction |
---|
| 2449 | Bool* pbRegion = pcCU->getEdgePartition( uiAbsPartIdx ); |
---|
| 2450 | pcCU->reconPartition( uiAbsPartIdx, uiDepth, ucLeft == 1, ucStart, ucMax, pucSymbolList, pbRegion ); |
---|
| 2451 | xFree( pucSymbolList ); |
---|
| 2452 | } |
---|
| 2453 | #endif |
---|
| 2454 | |
---|
[56] | 2455 | //! \} |
---|