[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 | { |
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[56] | 101 | assert( m_numContextModels <= MAX_NUM_CTX_MOD ); |
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| 102 | m_iSliceGranularity = 0; |
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[2] | 103 | } |
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| 104 | |
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| 105 | TDecSbac::~TDecSbac() |
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| 106 | { |
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| 107 | } |
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| 108 | |
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| 109 | // ==================================================================================================================== |
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| 110 | // Public member functions |
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| 111 | // ==================================================================================================================== |
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| 112 | |
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[56] | 113 | #if CABAC_INIT_FLAG |
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| 114 | Void TDecSbac::resetEntropy(TComSlice* pSlice) |
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[2] | 115 | { |
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[56] | 116 | SliceType sliceType = pSlice->getSliceType(); |
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| 117 | Int qp = pSlice->getSliceQp(); |
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| 118 | |
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| 119 | if (pSlice->getPPS()->getCabacInitPresentFlag() && pSlice->getCabacInitFlag()) |
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| 120 | { |
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| 121 | switch (sliceType) |
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| 122 | { |
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| 123 | case P_SLICE: // change initialization table to B_SLICE initialization |
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| 124 | sliceType = B_SLICE; |
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| 125 | break; |
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| 126 | case B_SLICE: // change initialization table to P_SLICE initialization |
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| 127 | sliceType = P_SLICE; |
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| 128 | break; |
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| 129 | default : // should not occur |
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| 130 | assert(0); |
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| 131 | } |
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| 132 | } |
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| 133 | |
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| 134 | #else |
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| 135 | Void TDecSbac::resetEntropywithQPandInitIDC (Int qp, Int iID) |
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| 136 | { |
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| 137 | SliceType sliceType = (SliceType)iID; |
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| 138 | #endif |
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| 139 | |
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| 140 | m_cCUSplitFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SPLIT_FLAG ); |
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| 141 | m_cCUSkipFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SKIP_FLAG ); |
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| 142 | m_cCUMergeFlagExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT ); |
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| 143 | m_cCUMergeIdxExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_IDX_EXT ); |
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| 144 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
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| 145 | m_cResPredFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_RES_PRED_FLAG ); |
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[2] | 146 | #endif |
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[56] | 147 | m_cCUAlfCtrlFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG ); |
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| 148 | m_cCUPartSizeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PART_SIZE ); |
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| 149 | #if AMP_CTX |
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| 150 | m_cCUAMPSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_AMP_POS ); |
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[2] | 151 | #else |
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[56] | 152 | m_cCUXPosiSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_X_POS ); |
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| 153 | m_cCUYPosiSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_Y_POS ); |
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[2] | 154 | #endif |
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[56] | 155 | m_cCUPredModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PRED_MODE ); |
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| 156 | m_cCUIntraPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 157 | m_cCUChromaPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 158 | m_cCUInterDirSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTER_DIR ); |
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| 159 | m_cCUMvdSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVD ); |
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| 160 | m_cCURefPicSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_REF_PIC ); |
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| 161 | m_cCUDeltaQpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DQP ); |
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| 162 | m_cCUQtCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_CBF ); |
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| 163 | m_cCUQtRootCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 164 | m_cCUSigCoeffGroupSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 165 | m_cCUSigSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_FLAG ); |
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| 166 | m_cCuCtxLastX.initBuffer ( sliceType, qp, (UChar*)INIT_LAST ); |
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| 167 | m_cCuCtxLastY.initBuffer ( sliceType, qp, (UChar*)INIT_LAST ); |
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| 168 | m_cCUOneSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ONE_FLAG ); |
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| 169 | m_cCUAbsSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ABS_FLAG ); |
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| 170 | m_cMVPIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVP_IDX ); |
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| 171 | m_cALFFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_FLAG ); |
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| 172 | m_cALFUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_UVLC ); |
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| 173 | m_cALFSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_SVLC ); |
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| 174 | m_cSaoFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_FLAG ); |
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| 175 | m_cSaoUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_UVLC ); |
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| 176 | m_cSaoSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_SVLC ); |
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| 177 | #if SAO_UNIT_INTERLEAVING |
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| 178 | m_cSaoMergeLeftSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG ); |
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| 179 | m_cSaoMergeUpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG ); |
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| 180 | m_cSaoTypeIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_TYPE_IDX ); |
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[2] | 181 | #endif |
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[56] | 182 | |
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| 183 | m_cCUTransSubdivFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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| 184 | m_uiLastDQpNonZero = 0; |
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[5] | 185 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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[56] | 186 | m_cDmmFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_FLAG ); |
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| 187 | m_cDmmModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_MODE ); |
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| 188 | m_cDmmDataSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_DATA ); |
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[2] | 189 | #endif |
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| 190 | |
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| 191 | // new structure |
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[56] | 192 | m_uiLastQp = qp; |
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[2] | 193 | |
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| 194 | m_pcTDecBinIf->start(); |
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| 195 | } |
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| 196 | |
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[56] | 197 | /** The function does the following: Read out terminate bit. Flush CABAC. Byte-align for next tile. |
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| 198 | * Intialize CABAC states. Start CABAC. |
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| 199 | */ |
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| 200 | Void TDecSbac::updateContextTables( SliceType eSliceType, Int iQp ) |
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| 201 | { |
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| 202 | UInt uiBit; |
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| 203 | m_pcTDecBinIf->decodeBinTrm(uiBit); |
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| 204 | m_pcTDecBinIf->finish(); |
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| 205 | #if !OL_FLUSH_ALIGN |
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| 206 | // Account for misaligned CABAC. |
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| 207 | Int iCABACReadAhead = m_pcTDecBinIf->getBitsReadAhead(); |
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| 208 | iCABACReadAhead--; |
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| 209 | Int iStreamBits = 8-m_pcBitstream->getNumBitsUntilByteAligned(); |
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| 210 | if (iCABACReadAhead >= iStreamBits) |
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| 211 | { |
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| 212 | // Misaligned CABAC has read into the 1st byte of the next tile. |
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| 213 | // Back up a byte prior to alignment. |
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| 214 | m_pcBitstream->backupByte(); |
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| 215 | } |
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| 216 | #endif |
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| 217 | m_pcBitstream->readOutTrailingBits(); |
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| 218 | m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG ); |
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| 219 | m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG ); |
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| 220 | m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT ); |
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| 221 | m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT ); |
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| 222 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
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| 223 | m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG ); |
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| 224 | #endif |
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| 225 | m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG ); |
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| 226 | m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE ); |
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| 227 | #if AMP_CTX |
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| 228 | m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS ); |
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| 229 | #else |
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| 230 | m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS ); |
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| 231 | m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS ); |
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| 232 | #endif |
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| 233 | m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE ); |
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| 234 | m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 235 | m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 236 | m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR ); |
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| 237 | m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD ); |
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| 238 | m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC ); |
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| 239 | m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP ); |
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| 240 | m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF ); |
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| 241 | m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 242 | m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 243 | m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG ); |
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| 244 | m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 245 | m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 246 | m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG ); |
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| 247 | m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG ); |
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| 248 | m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX ); |
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| 249 | m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG ); |
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| 250 | m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC ); |
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| 251 | m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC ); |
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| 252 | m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG ); |
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| 253 | m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC ); |
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| 254 | m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC ); |
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| 255 | #if SAO_UNIT_INTERLEAVING |
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| 256 | m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG ); |
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| 257 | m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG ); |
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| 258 | m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX ); |
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| 259 | #endif |
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| 260 | m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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| 261 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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| 262 | m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG ); |
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| 263 | m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE ); |
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| 264 | m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA ); |
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| 265 | #endif |
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| 266 | |
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| 267 | m_pcTDecBinIf->start(); |
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| 268 | } |
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| 269 | |
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| 270 | Void TDecSbac::readTileMarker( UInt& uiTileIdx, UInt uiBitsUsed ) |
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| 271 | { |
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| 272 | UInt uiSymbol; |
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| 273 | uiTileIdx = 0; |
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| 274 | for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--) |
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| 275 | { |
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| 276 | m_pcTDecBinIf->decodeBinEP ( uiSymbol ); |
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| 277 | if (uiSymbol) |
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| 278 | { |
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| 279 | uiTileIdx |= (1<<iShift); |
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| 280 | } |
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| 281 | } |
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| 282 | } |
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| 283 | |
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[2] | 284 | Void TDecSbac::parseTerminatingBit( UInt& ruiBit ) |
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| 285 | { |
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| 286 | m_pcTDecBinIf->decodeBinTrm( ruiBit ); |
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| 287 | } |
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| 288 | |
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| 289 | |
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| 290 | Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ) |
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| 291 | { |
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| 292 | if (uiMaxSymbol == 0) |
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| 293 | { |
---|
| 294 | ruiSymbol = 0; |
---|
| 295 | return; |
---|
| 296 | } |
---|
| 297 | |
---|
| 298 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
---|
| 299 | |
---|
| 300 | if( ruiSymbol == 0 || uiMaxSymbol == 1 ) |
---|
| 301 | { |
---|
| 302 | return; |
---|
| 303 | } |
---|
| 304 | |
---|
| 305 | UInt uiSymbol = 0; |
---|
| 306 | UInt uiCont; |
---|
| 307 | |
---|
| 308 | do |
---|
| 309 | { |
---|
| 310 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] ); |
---|
| 311 | uiSymbol++; |
---|
| 312 | } |
---|
| 313 | while( uiCont && ( uiSymbol < uiMaxSymbol - 1 ) ); |
---|
| 314 | |
---|
| 315 | if( uiCont && ( uiSymbol == uiMaxSymbol - 1 ) ) |
---|
| 316 | { |
---|
| 317 | uiSymbol++; |
---|
| 318 | } |
---|
| 319 | |
---|
| 320 | ruiSymbol = uiSymbol; |
---|
| 321 | } |
---|
| 322 | |
---|
| 323 | Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount ) |
---|
| 324 | { |
---|
| 325 | UInt uiSymbol = 0; |
---|
| 326 | UInt uiBit = 1; |
---|
| 327 | |
---|
| 328 | while( uiBit ) |
---|
| 329 | { |
---|
| 330 | m_pcTDecBinIf->decodeBinEP( uiBit ); |
---|
| 331 | uiSymbol += uiBit << uiCount++; |
---|
| 332 | } |
---|
| 333 | |
---|
[56] | 334 | if ( --uiCount ) |
---|
[2] | 335 | { |
---|
[56] | 336 | UInt bins; |
---|
| 337 | m_pcTDecBinIf->decodeBinsEP( bins, uiCount ); |
---|
| 338 | uiSymbol += bins; |
---|
[2] | 339 | } |
---|
| 340 | |
---|
| 341 | ruiSymbol = uiSymbol; |
---|
| 342 | } |
---|
| 343 | |
---|
| 344 | Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset ) |
---|
| 345 | { |
---|
| 346 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
---|
| 347 | |
---|
| 348 | if( !ruiSymbol ) |
---|
| 349 | { |
---|
| 350 | return; |
---|
| 351 | } |
---|
| 352 | |
---|
| 353 | UInt uiSymbol = 0; |
---|
| 354 | UInt uiCont; |
---|
| 355 | |
---|
| 356 | do |
---|
| 357 | { |
---|
| 358 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] ); |
---|
| 359 | uiSymbol++; |
---|
| 360 | } |
---|
| 361 | while( uiCont ); |
---|
| 362 | |
---|
| 363 | ruiSymbol = uiSymbol; |
---|
| 364 | } |
---|
| 365 | |
---|
| 366 | /** Parsing of coeff_abs_level_minus3 |
---|
| 367 | * \param ruiSymbol reference to coeff_abs_level_minus3 |
---|
| 368 | * \param ruiGoRiceParam reference to Rice parameter |
---|
| 369 | * \returns Void |
---|
| 370 | */ |
---|
| 371 | Void TDecSbac::xReadGoRiceExGolomb( UInt &ruiSymbol, UInt &ruiGoRiceParam ) |
---|
| 372 | { |
---|
| 373 | Bool bExGolomb = false; |
---|
| 374 | UInt uiCodeWord = 0; |
---|
| 375 | UInt uiQuotient = 0; |
---|
| 376 | UInt uiRemainder = 0; |
---|
| 377 | UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ]; |
---|
| 378 | UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ]; |
---|
| 379 | |
---|
| 380 | do |
---|
| 381 | { |
---|
| 382 | uiQuotient++; |
---|
| 383 | m_pcTDecBinIf->decodeBinEP( uiCodeWord ); |
---|
| 384 | } |
---|
| 385 | while( uiCodeWord && uiQuotient < uiMaxPreLen ); |
---|
| 386 | |
---|
| 387 | uiCodeWord = 1 - uiCodeWord; |
---|
| 388 | uiQuotient -= uiCodeWord; |
---|
| 389 | |
---|
[56] | 390 | if ( ruiGoRiceParam > 0 ) |
---|
[2] | 391 | { |
---|
[56] | 392 | m_pcTDecBinIf->decodeBinsEP( uiRemainder, ruiGoRiceParam ); |
---|
[2] | 393 | } |
---|
| 394 | |
---|
| 395 | ruiSymbol = uiRemainder + ( uiQuotient << ruiGoRiceParam ); |
---|
| 396 | bExGolomb = ruiSymbol == ( uiMaxVlc + 1 ); |
---|
| 397 | |
---|
| 398 | if( bExGolomb ) |
---|
| 399 | { |
---|
| 400 | xReadEpExGolomb( uiCodeWord, 0 ); |
---|
| 401 | ruiSymbol += uiCodeWord; |
---|
| 402 | } |
---|
| 403 | |
---|
[56] | 404 | #if EIGHT_BITS_RICE_CODE |
---|
| 405 | ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 23 ) ]; |
---|
| 406 | #else |
---|
[2] | 407 | ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 15 ) ]; |
---|
[56] | 408 | #endif |
---|
[2] | 409 | |
---|
| 410 | return; |
---|
| 411 | } |
---|
[56] | 412 | |
---|
| 413 | |
---|
| 414 | /** Parse I_PCM information. |
---|
| 415 | * \param pcCU |
---|
| 416 | * \param uiAbsPartIdx |
---|
| 417 | * \param uiDepth |
---|
| 418 | * \returns Void |
---|
| 419 | * |
---|
| 420 | * If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes. |
---|
| 421 | */ |
---|
| 422 | Void TDecSbac::parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 423 | { |
---|
| 424 | UInt uiSymbol; |
---|
[56] | 425 | #if BURST_IPCM |
---|
| 426 | Int numSubseqIPCM = 0; |
---|
| 427 | Bool readPCMSampleFlag = false; |
---|
| 428 | |
---|
| 429 | if(pcCU->getNumSucIPCM() > 0) |
---|
[2] | 430 | { |
---|
[56] | 431 | readPCMSampleFlag = true; |
---|
[2] | 432 | } |
---|
[56] | 433 | else |
---|
| 434 | { |
---|
| 435 | m_pcTDecBinIf->decodeBinTrm(uiSymbol); |
---|
[2] | 436 | |
---|
[56] | 437 | if (uiSymbol) |
---|
| 438 | { |
---|
| 439 | readPCMSampleFlag = true; |
---|
| 440 | m_pcTDecBinIf->decodeNumSubseqIPCM(numSubseqIPCM); |
---|
| 441 | pcCU->setNumSucIPCM(numSubseqIPCM + 1); |
---|
| 442 | m_pcTDecBinIf->decodePCMAlignBits(); |
---|
| 443 | } |
---|
[2] | 444 | } |
---|
[56] | 445 | #else |
---|
| 446 | m_pcTDecBinIf->decodeBinTrm(uiSymbol); |
---|
| 447 | #endif |
---|
[2] | 448 | |
---|
[56] | 449 | #if BURST_IPCM |
---|
| 450 | if (readPCMSampleFlag == true) |
---|
| 451 | #else |
---|
| 452 | if (uiSymbol) |
---|
[2] | 453 | #endif |
---|
| 454 | { |
---|
[56] | 455 | Bool bIpcmFlag = true; |
---|
| 456 | |
---|
| 457 | #if !BURST_IPCM |
---|
| 458 | m_pcTDecBinIf->decodePCMAlignBits(); |
---|
[2] | 459 | #endif |
---|
| 460 | |
---|
[56] | 461 | pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 462 | pcCU->setSizeSubParts ( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 463 | pcCU->setIPCMFlagSubParts ( bIpcmFlag, uiAbsPartIdx, uiDepth ); |
---|
[2] | 464 | |
---|
[56] | 465 | UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight(); |
---|
| 466 | UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx; |
---|
| 467 | UInt uiChromaOffset = uiLumaOffset>>2; |
---|
| 468 | |
---|
| 469 | Pel* piPCMSample; |
---|
| 470 | UInt uiWidth; |
---|
| 471 | UInt uiHeight; |
---|
| 472 | UInt uiSampleBits; |
---|
| 473 | UInt uiX, uiY; |
---|
| 474 | |
---|
| 475 | piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset; |
---|
| 476 | uiWidth = pcCU->getWidth(uiAbsPartIdx); |
---|
| 477 | uiHeight = pcCU->getHeight(uiAbsPartIdx); |
---|
| 478 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma(); |
---|
| 479 | |
---|
| 480 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 481 | { |
---|
| 482 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 483 | { |
---|
| 484 | UInt uiSample; |
---|
| 485 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 486 | piPCMSample[uiX] = uiSample; |
---|
| 487 | } |
---|
| 488 | piPCMSample += uiWidth; |
---|
| 489 | } |
---|
| 490 | |
---|
| 491 | piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset; |
---|
| 492 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
| 493 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
| 494 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
| 495 | |
---|
| 496 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 497 | { |
---|
| 498 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 499 | { |
---|
| 500 | UInt uiSample; |
---|
| 501 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 502 | piPCMSample[uiX] = uiSample; |
---|
| 503 | } |
---|
| 504 | piPCMSample += uiWidth; |
---|
| 505 | } |
---|
| 506 | |
---|
| 507 | piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset; |
---|
| 508 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
| 509 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
| 510 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
| 511 | |
---|
| 512 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 513 | { |
---|
| 514 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 515 | { |
---|
| 516 | UInt uiSample; |
---|
| 517 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 518 | piPCMSample[uiX] = uiSample; |
---|
| 519 | } |
---|
| 520 | piPCMSample += uiWidth; |
---|
| 521 | } |
---|
| 522 | |
---|
| 523 | #if BURST_IPCM |
---|
| 524 | pcCU->setNumSucIPCM( pcCU->getNumSucIPCM() - 1); |
---|
| 525 | if(pcCU->getNumSucIPCM() == 0) |
---|
| 526 | { |
---|
| 527 | m_pcTDecBinIf->resetBac(); |
---|
| 528 | } |
---|
| 529 | #else |
---|
| 530 | m_pcTDecBinIf->resetBac(); |
---|
| 531 | #endif |
---|
[2] | 532 | } |
---|
| 533 | } |
---|
| 534 | |
---|
| 535 | /** parse skip flag |
---|
| 536 | * \param pcCU |
---|
| 537 | * \param uiAbsPartIdx |
---|
| 538 | * \param uiDepth |
---|
| 539 | * \returns Void |
---|
| 540 | */ |
---|
| 541 | Void TDecSbac::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 542 | { |
---|
| 543 | if( pcCU->getSlice()->isIntra() ) |
---|
| 544 | { |
---|
| 545 | return; |
---|
| 546 | } |
---|
| 547 | |
---|
| 548 | UInt uiSymbol = 0; |
---|
| 549 | UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ); |
---|
| 550 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) ); |
---|
[56] | 551 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
[2] | 552 | DTRACE_CABAC_T( "\tSkipFlag" ); |
---|
| 553 | DTRACE_CABAC_T( "\tuiCtxSkip: "); |
---|
| 554 | DTRACE_CABAC_V( uiCtxSkip ); |
---|
| 555 | DTRACE_CABAC_T( "\tuiSymbol: "); |
---|
| 556 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 557 | DTRACE_CABAC_T( "\n"); |
---|
| 558 | |
---|
| 559 | if( uiSymbol ) |
---|
| 560 | { |
---|
| 561 | pcCU->setPredModeSubParts( MODE_SKIP, uiAbsPartIdx, uiDepth ); |
---|
| 562 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 563 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 564 | pcCU->setMergeFlagSubParts( true , uiAbsPartIdx, 0, uiDepth ); |
---|
| 565 | } |
---|
| 566 | } |
---|
| 567 | |
---|
| 568 | /** parse merge flag |
---|
| 569 | * \param pcCU |
---|
| 570 | * \param uiAbsPartIdx |
---|
| 571 | * \param uiDepth |
---|
| 572 | * \param uiPUIdx |
---|
| 573 | * \returns Void |
---|
| 574 | */ |
---|
| 575 | Void TDecSbac::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) |
---|
| 576 | { |
---|
| 577 | UInt uiSymbol; |
---|
[56] | 578 | m_pcTDecBinIf->decodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) ); |
---|
[2] | 579 | pcCU->setMergeFlagSubParts( uiSymbol ? true : false, uiAbsPartIdx, uiPUIdx, uiDepth ); |
---|
| 580 | |
---|
[56] | 581 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
[2] | 582 | DTRACE_CABAC_T( "\tMergeFlag: " ); |
---|
| 583 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 584 | DTRACE_CABAC_T( "\tAddress: " ); |
---|
| 585 | DTRACE_CABAC_V( pcCU->getAddr() ); |
---|
| 586 | DTRACE_CABAC_T( "\tuiAbsPartIdx: " ); |
---|
| 587 | DTRACE_CABAC_V( uiAbsPartIdx ); |
---|
| 588 | DTRACE_CABAC_T( "\n" ); |
---|
| 589 | } |
---|
| 590 | |
---|
[56] | 591 | Void TDecSbac::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 592 | { |
---|
[56] | 593 | UInt uiNumCand = MRG_MAX_NUM_CANDS; |
---|
| 594 | #if !MRG_IDX_CTX_RED |
---|
| 595 | UInt auiCtx[4] = { 0, 1, 2, 3 }; |
---|
| 596 | #endif |
---|
| 597 | UInt uiUnaryIdx = 0; |
---|
| 598 | uiNumCand = pcCU->getSlice()->getMaxNumMergeCand(); |
---|
[5] | 599 | #if HHI_MPI |
---|
[2] | 600 | const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE; |
---|
[56] | 601 | const UInt uiMviMergePos = bMVIAvailable ? HHI_MPI_MERGE_POS : uiNumCand; |
---|
[2] | 602 | #endif |
---|
[56] | 603 | if ( uiNumCand > 1 ) |
---|
[2] | 604 | { |
---|
[56] | 605 | for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx ) |
---|
[2] | 606 | { |
---|
[56] | 607 | UInt uiSymbol = 0; |
---|
| 608 | #if MRG_IDX_CTX_RED |
---|
| 609 | if ( uiUnaryIdx==0 ) |
---|
[2] | 610 | { |
---|
[56] | 611 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 612 | } |
---|
[56] | 613 | else |
---|
| 614 | { |
---|
| 615 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 616 | } |
---|
| 617 | #else |
---|
| 618 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[uiUnaryIdx] ) ); |
---|
[2] | 619 | #endif |
---|
[56] | 620 | if( uiSymbol == 0 ) |
---|
[2] | 621 | { |
---|
[56] | 622 | break; |
---|
[2] | 623 | } |
---|
| 624 | } |
---|
| 625 | } |
---|
| 626 | ruiMergeIndex = uiUnaryIdx; |
---|
| 627 | |
---|
[56] | 628 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 629 | DTRACE_CABAC_T( "\tparseMergeIndex()" ) |
---|
| 630 | DTRACE_CABAC_T( "\tuiMRGIdx= " ) |
---|
| 631 | DTRACE_CABAC_V( ruiMergeIndex ) |
---|
| 632 | DTRACE_CABAC_T( "\n" ) |
---|
[5] | 633 | #if HHI_MPI |
---|
[2] | 634 | if( ruiMergeIndex > uiMviMergePos ) |
---|
| 635 | { |
---|
[56] | 636 | assert( bMVIAvailable ); |
---|
[2] | 637 | ruiMergeIndex--; |
---|
| 638 | } |
---|
| 639 | else if( ruiMergeIndex == uiMviMergePos ) |
---|
| 640 | { |
---|
[56] | 641 | assert( bMVIAvailable ); |
---|
[2] | 642 | pcCU->setTextureModeDepthSubParts( uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 643 | } |
---|
| 644 | #endif |
---|
| 645 | } |
---|
| 646 | |
---|
[56] | 647 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
| 648 | Void |
---|
[2] | 649 | TDecSbac::parseResPredFlag( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 650 | { |
---|
[56] | 651 | UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx ); |
---|
[2] | 652 | UInt uiSymbol = 0; |
---|
| 653 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) ); |
---|
| 654 | rbResPredFlag = ( uiSymbol != 0 ); |
---|
| 655 | } |
---|
[56] | 656 | #endif |
---|
[2] | 657 | |
---|
[56] | 658 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
| 659 | Void TDecSbac::parseMVPIdx ( Int& riMVPIdx, Int iNumAMVPCands ) |
---|
[2] | 660 | { |
---|
| 661 | UInt uiSymbol; |
---|
[56] | 662 | xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, iNumAMVPCands-1); |
---|
[2] | 663 | riMVPIdx = uiSymbol; |
---|
| 664 | } |
---|
[56] | 665 | #else |
---|
| 666 | Void TDecSbac::parseMVPIdx ( Int& riMVPIdx ) |
---|
| 667 | { |
---|
| 668 | UInt uiSymbol; |
---|
| 669 | xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, AMVP_MAX_NUM_CANDS-1); |
---|
| 670 | riMVPIdx = uiSymbol; |
---|
| 671 | } |
---|
| 672 | #endif |
---|
[2] | 673 | |
---|
| 674 | Void TDecSbac::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 675 | { |
---|
| 676 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 677 | { |
---|
| 678 | pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx ); |
---|
| 679 | return; |
---|
| 680 | } |
---|
| 681 | |
---|
| 682 | UInt uiSymbol; |
---|
| 683 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) ); |
---|
[56] | 684 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 685 | DTRACE_CABAC_T( "\tSplitFlag\n" ) |
---|
| 686 | pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx ); |
---|
| 687 | |
---|
| 688 | return; |
---|
| 689 | } |
---|
| 690 | |
---|
| 691 | /** parse partition size |
---|
| 692 | * \param pcCU |
---|
| 693 | * \param uiAbsPartIdx |
---|
| 694 | * \param uiDepth |
---|
| 695 | * \returns Void |
---|
| 696 | */ |
---|
| 697 | Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 698 | { |
---|
| 699 | UInt uiSymbol, uiMode = 0; |
---|
| 700 | PartSize eMode; |
---|
| 701 | |
---|
| 702 | if ( pcCU->isIntra( uiAbsPartIdx ) ) |
---|
| 703 | { |
---|
| 704 | uiSymbol = 1; |
---|
| 705 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 706 | { |
---|
| 707 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
---|
| 708 | } |
---|
| 709 | eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN; |
---|
[56] | 710 | UInt uiTrLevel = 0; |
---|
| 711 | UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2; |
---|
| 712 | UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2; |
---|
| 713 | uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0; |
---|
| 714 | if( eMode == SIZE_NxN ) |
---|
| 715 | { |
---|
| 716 | pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 717 | } |
---|
| 718 | else |
---|
| 719 | { |
---|
| 720 | pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 721 | } |
---|
[2] | 722 | } |
---|
| 723 | else |
---|
| 724 | { |
---|
[56] | 725 | UInt uiMaxNumBits = 2; |
---|
| 726 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && (g_uiMaxCUWidth>>uiDepth) == 8 && (g_uiMaxCUHeight>>uiDepth) == 8 ) ) |
---|
[2] | 727 | { |
---|
[56] | 728 | uiMaxNumBits ++; |
---|
[2] | 729 | } |
---|
[56] | 730 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
[2] | 731 | { |
---|
[56] | 732 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) ); |
---|
| 733 | if ( uiSymbol ) |
---|
[2] | 734 | { |
---|
[56] | 735 | break; |
---|
[2] | 736 | } |
---|
[56] | 737 | uiMode++; |
---|
[2] | 738 | } |
---|
| 739 | eMode = (PartSize) uiMode; |
---|
[56] | 740 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
---|
[2] | 741 | { |
---|
[56] | 742 | if (eMode == SIZE_2NxN) |
---|
| 743 | { |
---|
| 744 | #if AMP_CTX |
---|
| 745 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 )); |
---|
| 746 | #else |
---|
| 747 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 0 )); |
---|
[2] | 748 | #endif |
---|
[56] | 749 | if (uiSymbol == 0) |
---|
| 750 | { |
---|
| 751 | #if AMP_CTX |
---|
| 752 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 753 | #else |
---|
| 754 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 1 )); |
---|
| 755 | #endif |
---|
| 756 | eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD); |
---|
| 757 | } |
---|
[2] | 758 | } |
---|
[56] | 759 | else if (eMode == SIZE_Nx2N) |
---|
[2] | 760 | { |
---|
[56] | 761 | #if AMP_CTX |
---|
| 762 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 )); |
---|
| 763 | #else |
---|
| 764 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 0 )); |
---|
[2] | 765 | #endif |
---|
[56] | 766 | if (uiSymbol == 0) |
---|
[2] | 767 | { |
---|
[56] | 768 | #if AMP_CTX |
---|
| 769 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 770 | #else |
---|
| 771 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 1 )); |
---|
| 772 | #endif |
---|
| 773 | eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N); |
---|
[2] | 774 | } |
---|
| 775 | } |
---|
| 776 | } |
---|
| 777 | } |
---|
| 778 | pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth ); |
---|
| 779 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 780 | } |
---|
| 781 | |
---|
| 782 | /** parse prediction mode |
---|
| 783 | * \param pcCU |
---|
| 784 | * \param uiAbsPartIdx |
---|
| 785 | * \param uiDepth |
---|
| 786 | * \returns Void |
---|
| 787 | */ |
---|
| 788 | Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 789 | { |
---|
| 790 | if( pcCU->getSlice()->isIntra() ) |
---|
| 791 | { |
---|
| 792 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 793 | return; |
---|
| 794 | } |
---|
| 795 | |
---|
| 796 | UInt uiSymbol; |
---|
| 797 | Int iPredMode = MODE_INTER; |
---|
[56] | 798 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 799 | iPredMode += uiSymbol; |
---|
| 800 | pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 801 | } |
---|
[56] | 802 | |
---|
| 803 | Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 804 | { |
---|
[56] | 805 | UInt uiSymbol; |
---|
| 806 | Int intraPredMode; |
---|
[2] | 807 | |
---|
[5] | 808 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
[2] | 809 | UInt uiFlag = 0; |
---|
[56] | 810 | if( pcCU->getSlice()->getSPS()->getUseDMM() && (g_uiMaxCUWidth>>uiDepth) <= DMM_WEDGEMODEL_MAX_SIZE ) |
---|
[2] | 811 | { |
---|
[56] | 812 | m_pcTDecBinIf->decodeBin( uiFlag, m_cDmmFlagSCModel.get(0, 0, 0) ); |
---|
[2] | 813 | } |
---|
[56] | 814 | if( uiFlag ) |
---|
[2] | 815 | { |
---|
| 816 | UInt uiDMMode; |
---|
[56] | 817 | |
---|
[5] | 818 | #if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX |
---|
[56] | 819 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol; |
---|
| 820 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode |= uiSymbol << 1; |
---|
[2] | 821 | if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 ) |
---|
| 822 | { |
---|
[56] | 823 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode |= uiSymbol << 2; |
---|
[2] | 824 | } |
---|
| 825 | #else |
---|
[56] | 826 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol; |
---|
| 827 | if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 ) |
---|
| 828 | { |
---|
| 829 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode |= uiSymbol << 1; |
---|
[2] | 830 | } |
---|
| 831 | #endif |
---|
[56] | 832 | intraPredMode = uiDMMode + NUM_INTRA_MODE; |
---|
[2] | 833 | |
---|
[5] | 834 | #if HHI_DMM_WEDGE_INTRA |
---|
[56] | 835 | if( intraPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 836 | if( intraPredMode == DMM_WEDGE_FULL_D_IDX ) { xParseWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 837 | if( intraPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 838 | if( intraPredMode == DMM_WEDGE_PREDDIR_D_IDX ) { xParseWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
[5] | 839 | #endif |
---|
| 840 | #if HHI_DMM_PRED_TEX |
---|
[56] | 841 | if( intraPredMode == DMM_WEDGE_PREDTEX_D_IDX ) { xParseWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 842 | if( intraPredMode == DMM_CONTOUR_PREDTEX_D_IDX ) { xParseContourPredTexDeltaInfo( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
[5] | 843 | #endif |
---|
[2] | 844 | } |
---|
| 845 | else |
---|
| 846 | { |
---|
| 847 | #endif |
---|
[56] | 848 | #if !LOGI_INTRA_NAME_3MPM |
---|
| 849 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 850 | #endif |
---|
| 851 | |
---|
| 852 | #if LOGI_INTRA_NAME_3MPM |
---|
| 853 | Int uiPreds[3] = {-1, -1, -1}; |
---|
[2] | 854 | #else |
---|
[56] | 855 | Int uiPreds[2] = {-1, -1}; |
---|
| 856 | #endif |
---|
| 857 | Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds); |
---|
| 858 | |
---|
| 859 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 0) ); |
---|
| 860 | |
---|
| 861 | if ( uiSymbol ) |
---|
[2] | 862 | { |
---|
[56] | 863 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 864 | #if LOGI_INTRA_NAME_3MPM |
---|
| 865 | if (uiSymbol) |
---|
| 866 | { |
---|
| 867 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 868 | uiSymbol++; |
---|
[2] | 869 | } |
---|
[5] | 870 | #endif |
---|
[56] | 871 | intraPredMode = uiPreds[uiSymbol]; |
---|
[2] | 872 | } |
---|
| 873 | else |
---|
| 874 | { |
---|
[56] | 875 | intraPredMode = 0; |
---|
| 876 | |
---|
| 877 | #if LOGI_INTRA_NAME_3MPM |
---|
| 878 | |
---|
| 879 | m_pcTDecBinIf->decodeBinsEP( uiSymbol, 5 ); |
---|
| 880 | intraPredMode = uiSymbol; |
---|
| 881 | |
---|
| 882 | //postponed sorting of MPMs (only in remaining branch) |
---|
| 883 | if (uiPreds[0] > uiPreds[1]) |
---|
| 884 | { |
---|
| 885 | std::swap(uiPreds[0], uiPreds[1]); |
---|
| 886 | } |
---|
| 887 | if (uiPreds[0] > uiPreds[2]) |
---|
[2] | 888 | { |
---|
[56] | 889 | std::swap(uiPreds[0], uiPreds[2]); |
---|
[2] | 890 | } |
---|
[56] | 891 | if (uiPreds[1] > uiPreds[2]) |
---|
[2] | 892 | { |
---|
[56] | 893 | std::swap(uiPreds[1], uiPreds[2]); |
---|
[2] | 894 | } |
---|
[56] | 895 | #else |
---|
| 896 | m_pcTDecBinIf->decodeBinsEP( uiSymbol, g_aucIntraModeBitsAng[iIntraIdx] - 1 ); |
---|
| 897 | intraPredMode = uiSymbol; |
---|
[2] | 898 | |
---|
[56] | 899 | if ( intraPredMode == 31 ) |
---|
[2] | 900 | { |
---|
[56] | 901 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 902 | intraPredMode += uiSymbol; |
---|
[2] | 903 | } |
---|
[56] | 904 | #endif |
---|
| 905 | for ( Int i = 0; i < uiPredNum; i++ ) |
---|
| 906 | { |
---|
| 907 | intraPredMode += ( intraPredMode >= uiPreds[i] ); |
---|
| 908 | } |
---|
[2] | 909 | } |
---|
[56] | 910 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
| 911 | } |
---|
[2] | 912 | #endif |
---|
[56] | 913 | |
---|
| 914 | pcCU->setLumaIntraDirSubParts( (UChar)intraPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 915 | } |
---|
[2] | 916 | |
---|
| 917 | Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 918 | { |
---|
| 919 | UInt uiSymbol; |
---|
| 920 | |
---|
[56] | 921 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 0 ) ); |
---|
| 922 | |
---|
| 923 | if( uiSymbol == 0 ) |
---|
[2] | 924 | { |
---|
[56] | 925 | uiSymbol = DM_CHROMA_IDX; |
---|
[2] | 926 | } |
---|
| 927 | else |
---|
| 928 | { |
---|
[56] | 929 | if( pcCU->getSlice()->getSPS()->getUseLMChroma() ) |
---|
[2] | 930 | { |
---|
[56] | 931 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 1 ) ); |
---|
[2] | 932 | } |
---|
[56] | 933 | else |
---|
| 934 | { |
---|
| 935 | uiSymbol = 1; |
---|
| 936 | } |
---|
[2] | 937 | |
---|
[56] | 938 | if( uiSymbol == 0 ) |
---|
[2] | 939 | { |
---|
[56] | 940 | uiSymbol = LM_CHROMA_IDX; |
---|
| 941 | } |
---|
| 942 | else |
---|
| 943 | { |
---|
| 944 | UInt uiIPredMode; |
---|
| 945 | #if CHROMA_MODE_CODING |
---|
| 946 | m_pcTDecBinIf->decodeBinsEP( uiIPredMode, 2 ); |
---|
| 947 | #else |
---|
| 948 | xReadUnaryMaxSymbol( uiIPredMode, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 ); |
---|
[2] | 949 | #endif |
---|
[56] | 950 | UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ]; |
---|
| 951 | pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir ); |
---|
| 952 | uiSymbol = uiAllowedChromaDir[ uiIPredMode ]; |
---|
[2] | 953 | } |
---|
| 954 | } |
---|
| 955 | pcCU->setChromIntraDirSubParts( uiSymbol, uiAbsPartIdx, uiDepth ); |
---|
| 956 | return; |
---|
| 957 | } |
---|
| 958 | |
---|
| 959 | Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 960 | { |
---|
| 961 | UInt uiSymbol; |
---|
[56] | 962 | const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx ); |
---|
| 963 | ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 ); |
---|
| 964 | m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + uiCtx ) ); |
---|
| 965 | |
---|
| 966 | if( uiSymbol ) |
---|
[2] | 967 | { |
---|
| 968 | uiSymbol = 2; |
---|
| 969 | } |
---|
[56] | 970 | |
---|
[2] | 971 | uiSymbol++; |
---|
| 972 | ruiInterDir = uiSymbol; |
---|
| 973 | return; |
---|
| 974 | } |
---|
| 975 | |
---|
| 976 | Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
| 977 | { |
---|
| 978 | UInt uiSymbol; |
---|
| 979 | |
---|
| 980 | if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C ) > 0 && eRefList==REF_PIC_LIST_C) |
---|
| 981 | { |
---|
[56] | 982 | ContextModel *pCtx = m_cCURefPicSCModel.get( 0 ); |
---|
| 983 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
[2] | 984 | |
---|
[56] | 985 | if( uiSymbol ) |
---|
[2] | 986 | { |
---|
[56] | 987 | xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 ); |
---|
[2] | 988 | uiSymbol++; |
---|
| 989 | } |
---|
| 990 | riRefFrmIdx = uiSymbol; |
---|
| 991 | } |
---|
| 992 | else |
---|
| 993 | { |
---|
[56] | 994 | ContextModel *pCtx = m_cCURefPicSCModel.get( 0 ); |
---|
| 995 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
[2] | 996 | |
---|
[56] | 997 | if( uiSymbol ) |
---|
| 998 | { |
---|
| 999 | xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 ); |
---|
| 1000 | uiSymbol++; |
---|
| 1001 | } |
---|
| 1002 | riRefFrmIdx = uiSymbol; |
---|
[2] | 1003 | } |
---|
| 1004 | |
---|
| 1005 | return; |
---|
| 1006 | } |
---|
| 1007 | |
---|
[56] | 1008 | Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
[2] | 1009 | { |
---|
| 1010 | UInt uiSymbol; |
---|
[56] | 1011 | UInt uiHorAbs; |
---|
| 1012 | UInt uiVerAbs; |
---|
| 1013 | UInt uiHorSign = 0; |
---|
| 1014 | UInt uiVerSign = 0; |
---|
| 1015 | ContextModel *pCtx = m_cCUMvdSCModel.get( 0 ); |
---|
[2] | 1016 | |
---|
[56] | 1017 | #if H0111_MVD_L1_ZERO |
---|
| 1018 | if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3) |
---|
| 1019 | { |
---|
| 1020 | uiHorAbs=0; |
---|
| 1021 | uiVerAbs=0; |
---|
| 1022 | } |
---|
| 1023 | else |
---|
| 1024 | { |
---|
[2] | 1025 | #endif |
---|
| 1026 | |
---|
[56] | 1027 | m_pcTDecBinIf->decodeBin( uiHorAbs, *pCtx ); |
---|
| 1028 | m_pcTDecBinIf->decodeBin( uiVerAbs, *pCtx ); |
---|
[2] | 1029 | |
---|
[56] | 1030 | const Bool bHorAbsGr0 = uiHorAbs != 0; |
---|
| 1031 | const Bool bVerAbsGr0 = uiVerAbs != 0; |
---|
| 1032 | pCtx++; |
---|
| 1033 | |
---|
| 1034 | if( bHorAbsGr0 ) |
---|
| 1035 | { |
---|
| 1036 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
| 1037 | uiHorAbs += uiSymbol; |
---|
| 1038 | } |
---|
| 1039 | |
---|
| 1040 | if( bVerAbsGr0 ) |
---|
| 1041 | { |
---|
| 1042 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
| 1043 | uiVerAbs += uiSymbol; |
---|
| 1044 | } |
---|
| 1045 | |
---|
| 1046 | if( bHorAbsGr0 ) |
---|
| 1047 | { |
---|
| 1048 | if( 2 == uiHorAbs ) |
---|
| 1049 | { |
---|
| 1050 | xReadEpExGolomb( uiSymbol, 1 ); |
---|
| 1051 | uiHorAbs += uiSymbol; |
---|
| 1052 | } |
---|
| 1053 | |
---|
| 1054 | m_pcTDecBinIf->decodeBinEP( uiHorSign ); |
---|
| 1055 | } |
---|
| 1056 | |
---|
| 1057 | if( bVerAbsGr0 ) |
---|
| 1058 | { |
---|
| 1059 | if( 2 == uiVerAbs ) |
---|
| 1060 | { |
---|
| 1061 | xReadEpExGolomb( uiSymbol, 1 ); |
---|
| 1062 | uiVerAbs += uiSymbol; |
---|
| 1063 | } |
---|
| 1064 | |
---|
| 1065 | m_pcTDecBinIf->decodeBinEP( uiVerSign ); |
---|
| 1066 | } |
---|
| 1067 | |
---|
| 1068 | #if H0111_MVD_L1_ZERO |
---|
| 1069 | } |
---|
[2] | 1070 | #endif |
---|
| 1071 | |
---|
[56] | 1072 | const TComMv cMv( uiHorSign ? -Int( uiHorAbs ): uiHorAbs, uiVerSign ? -Int( uiVerAbs ) : uiVerAbs ); |
---|
| 1073 | pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiDepth, uiPartIdx ); |
---|
[2] | 1074 | return; |
---|
| 1075 | } |
---|
| 1076 | |
---|
| 1077 | |
---|
| 1078 | Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) |
---|
| 1079 | { |
---|
| 1080 | m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) ); |
---|
[56] | 1081 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1082 | DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" ) |
---|
| 1083 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1084 | DTRACE_CABAC_V( ruiSubdivFlag ) |
---|
| 1085 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1086 | DTRACE_CABAC_V( uiLog2TransformBlockSize ) |
---|
| 1087 | DTRACE_CABAC_T( "\n" ) |
---|
| 1088 | } |
---|
| 1089 | |
---|
| 1090 | Void TDecSbac::parseQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ) |
---|
| 1091 | { |
---|
| 1092 | UInt uiSymbol; |
---|
[56] | 1093 | const UInt uiCtx = 0; |
---|
[2] | 1094 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) ); |
---|
[56] | 1095 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1096 | DTRACE_CABAC_T( "\tparseQtRootCbf()" ) |
---|
| 1097 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1098 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1099 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1100 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1101 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1102 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1103 | DTRACE_CABAC_T( "\n" ) |
---|
| 1104 | |
---|
| 1105 | uiQtRootCbf = uiSymbol; |
---|
| 1106 | } |
---|
| 1107 | |
---|
| 1108 | Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1109 | { |
---|
[56] | 1110 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1111 | Int qp; |
---|
| 1112 | #endif |
---|
[2] | 1113 | UInt uiDQp; |
---|
| 1114 | Int iDQp; |
---|
| 1115 | |
---|
| 1116 | m_pcTDecBinIf->decodeBin( uiDQp, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) ); |
---|
| 1117 | |
---|
| 1118 | if ( uiDQp == 0 ) |
---|
| 1119 | { |
---|
[56] | 1120 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1121 | qp = pcCU->getRefQP(uiAbsPartIdx); |
---|
| 1122 | #else |
---|
| 1123 | uiDQp = pcCU->getRefQP(uiAbsPartIdx); |
---|
| 1124 | #endif |
---|
[2] | 1125 | } |
---|
| 1126 | else |
---|
| 1127 | { |
---|
[56] | 1128 | UInt uiSign; |
---|
| 1129 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1130 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); |
---|
| 1131 | #else |
---|
| 1132 | UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8); |
---|
| 1133 | #endif |
---|
| 1134 | m_pcTDecBinIf->decodeBinEP(uiSign); |
---|
| 1135 | |
---|
| 1136 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1137 | UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign); |
---|
| 1138 | #else |
---|
| 1139 | UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign); |
---|
| 1140 | #endif |
---|
| 1141 | UInt uiAbsDQpMinus1; |
---|
| 1142 | xReadUnaryMaxSymbol (uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1); |
---|
| 1143 | |
---|
| 1144 | iDQp = uiAbsDQpMinus1 + 1; |
---|
| 1145 | |
---|
| 1146 | if(uiSign) |
---|
[2] | 1147 | { |
---|
| 1148 | iDQp = -iDQp; |
---|
| 1149 | } |
---|
[56] | 1150 | |
---|
| 1151 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1152 | qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+qpBdOffsetY)) - qpBdOffsetY; |
---|
| 1153 | #else |
---|
| 1154 | #if LOSSLESS_CODING |
---|
| 1155 | uiDQp = (pcCU->getRefQP(uiAbsPartIdx) + iDQp + 52) % 52; |
---|
| 1156 | #else |
---|
| 1157 | uiDQp = pcCU->getRefQP(uiAbsPartIdx) + iDQp; |
---|
| 1158 | #endif |
---|
| 1159 | #endif |
---|
[2] | 1160 | } |
---|
| 1161 | |
---|
[56] | 1162 | UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)))<<(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)) ; |
---|
| 1163 | UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ; |
---|
| 1164 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1165 | pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth ); |
---|
| 1166 | #else |
---|
| 1167 | pcCU->setQPSubParts( uiDQp, uiAbsQpCUPartIdx, uiQpCUDepth ); |
---|
| 1168 | #endif |
---|
[2] | 1169 | } |
---|
| 1170 | |
---|
| 1171 | Void TDecSbac::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) |
---|
| 1172 | { |
---|
| 1173 | UInt uiSymbol; |
---|
| 1174 | const UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth ); |
---|
[56] | 1175 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA: eType, uiCtx ) ); |
---|
[2] | 1176 | |
---|
[56] | 1177 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1178 | DTRACE_CABAC_T( "\tparseQtCbf()" ) |
---|
| 1179 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1180 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1181 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1182 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1183 | DTRACE_CABAC_T( "\tetype=" ) |
---|
| 1184 | DTRACE_CABAC_V( eType ) |
---|
| 1185 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1186 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1187 | DTRACE_CABAC_T( "\n" ) |
---|
| 1188 | |
---|
| 1189 | pcCU->setCbfSubParts( uiSymbol << uiTrDepth, eType, uiAbsPartIdx, uiDepth ); |
---|
| 1190 | } |
---|
| 1191 | |
---|
| 1192 | /** Parse (X,Y) position of the last significant coefficient |
---|
| 1193 | * \param uiPosLastX reference to X component of last coefficient |
---|
| 1194 | * \param uiPosLastY reference to Y component of last coefficient |
---|
[56] | 1195 | * \param width Block width |
---|
| 1196 | * \param height Block height |
---|
[2] | 1197 | * \param eTType plane type / luminance or chrominance |
---|
| 1198 | * \param uiScanIdx scan type (zig-zag, hor, ver) |
---|
[56] | 1199 | * |
---|
[2] | 1200 | * This method decodes the X and Y component within a block of the last significant coefficient. |
---|
| 1201 | */ |
---|
[56] | 1202 | Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx ) |
---|
[2] | 1203 | { |
---|
| 1204 | UInt uiLast; |
---|
[56] | 1205 | ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType ); |
---|
| 1206 | ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType ); |
---|
[2] | 1207 | |
---|
[56] | 1208 | // posX |
---|
| 1209 | #if LAST_CTX_REDUCTION |
---|
| 1210 | Int widthCtx = eTType ? 4 : width; |
---|
| 1211 | const UInt *puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] * ( g_aucConvertToBit[ widthCtx ] + 3 ) ); |
---|
| 1212 | #else |
---|
| 1213 | const UInt *puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] * ( g_aucConvertToBit[ width ] + 3 ) ); |
---|
| 1214 | #endif |
---|
| 1215 | for( uiPosLastX = 0; uiPosLastX < g_uiGroupIdx[ width - 1 ]; uiPosLastX++ ) |
---|
[2] | 1216 | { |
---|
[56] | 1217 | #if LAST_CTX_REDUCTION |
---|
| 1218 | if ( eTType ) |
---|
[2] | 1219 | { |
---|
[56] | 1220 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + (uiPosLastX>>g_aucConvertToBit[ width ]) ) ); |
---|
| 1221 | } |
---|
| 1222 | else |
---|
| 1223 | { |
---|
| 1224 | #endif |
---|
| 1225 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + puiCtxIdxX[ uiPosLastX ] ) ); |
---|
| 1226 | #if LAST_CTX_REDUCTION |
---|
| 1227 | } |
---|
| 1228 | #endif |
---|
| 1229 | if( !uiLast ) |
---|
| 1230 | { |
---|
[2] | 1231 | break; |
---|
| 1232 | } |
---|
| 1233 | } |
---|
| 1234 | |
---|
[56] | 1235 | // posY |
---|
| 1236 | #if LAST_CTX_REDUCTION |
---|
| 1237 | Int heightCtx = eTType? 4 : height; |
---|
| 1238 | const UInt *puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] * ( g_aucConvertToBit[ heightCtx ] + 3 ) ); |
---|
| 1239 | #else |
---|
| 1240 | const UInt *puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] * ( g_aucConvertToBit[ height ] + 3 ) ); |
---|
| 1241 | #endif |
---|
| 1242 | for( uiPosLastY = 0; uiPosLastY < g_uiGroupIdx[ height - 1 ]; uiPosLastY++ ) |
---|
[2] | 1243 | { |
---|
[56] | 1244 | #if LAST_CTX_REDUCTION |
---|
| 1245 | if (eTType) |
---|
[2] | 1246 | { |
---|
[56] | 1247 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + (uiPosLastY>>g_aucConvertToBit[ height ]) ) ); |
---|
| 1248 | } |
---|
| 1249 | else |
---|
| 1250 | { |
---|
| 1251 | #endif |
---|
| 1252 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + puiCtxIdxY[ uiPosLastY ] ) ); |
---|
| 1253 | #if LAST_CTX_REDUCTION |
---|
| 1254 | } |
---|
| 1255 | #endif |
---|
| 1256 | if( !uiLast ) |
---|
| 1257 | { |
---|
[2] | 1258 | break; |
---|
| 1259 | } |
---|
| 1260 | } |
---|
[56] | 1261 | if ( uiPosLastX > 3 ) |
---|
| 1262 | { |
---|
| 1263 | UInt uiTemp = 0; |
---|
| 1264 | UInt uiCount = ( uiPosLastX - 2 ) >> 1; |
---|
| 1265 | for ( Int i = uiCount - 1; i >= 0; i-- ) |
---|
| 1266 | { |
---|
| 1267 | m_pcTDecBinIf->decodeBinEP( uiLast ); |
---|
| 1268 | uiTemp += uiLast << i; |
---|
| 1269 | } |
---|
| 1270 | uiPosLastX = g_uiMinInGroup[ uiPosLastX ] + uiTemp; |
---|
| 1271 | } |
---|
| 1272 | if ( uiPosLastY > 3 ) |
---|
| 1273 | { |
---|
| 1274 | UInt uiTemp = 0; |
---|
| 1275 | UInt uiCount = ( uiPosLastY - 2 ) >> 1; |
---|
| 1276 | for ( Int i = uiCount - 1; i >= 0; i-- ) |
---|
| 1277 | { |
---|
| 1278 | m_pcTDecBinIf->decodeBinEP( uiLast ); |
---|
| 1279 | uiTemp += uiLast << i; |
---|
| 1280 | } |
---|
| 1281 | uiPosLastY = g_uiMinInGroup[ uiPosLastY ] + uiTemp; |
---|
| 1282 | } |
---|
| 1283 | |
---|
[2] | 1284 | if( uiScanIdx == SCAN_VER ) |
---|
| 1285 | { |
---|
| 1286 | swap( uiPosLastX, uiPosLastY ); |
---|
| 1287 | } |
---|
| 1288 | } |
---|
| 1289 | |
---|
| 1290 | Void TDecSbac::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) |
---|
| 1291 | { |
---|
[56] | 1292 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1293 | DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" ) |
---|
| 1294 | DTRACE_CABAC_V( eTType ) |
---|
| 1295 | DTRACE_CABAC_T( "\twidth=" ) |
---|
| 1296 | DTRACE_CABAC_V( uiWidth ) |
---|
| 1297 | DTRACE_CABAC_T( "\theight=" ) |
---|
| 1298 | DTRACE_CABAC_V( uiHeight ) |
---|
| 1299 | DTRACE_CABAC_T( "\tdepth=" ) |
---|
| 1300 | DTRACE_CABAC_V( uiDepth ) |
---|
| 1301 | DTRACE_CABAC_T( "\tabspartidx=" ) |
---|
| 1302 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1303 | DTRACE_CABAC_T( "\ttoCU-X=" ) |
---|
| 1304 | DTRACE_CABAC_V( pcCU->getCUPelX() ) |
---|
| 1305 | DTRACE_CABAC_T( "\ttoCU-Y=" ) |
---|
| 1306 | DTRACE_CABAC_V( pcCU->getCUPelY() ) |
---|
| 1307 | DTRACE_CABAC_T( "\tCU-addr=" ) |
---|
| 1308 | DTRACE_CABAC_V( pcCU->getAddr() ) |
---|
| 1309 | DTRACE_CABAC_T( "\tinCU-X=" ) |
---|
| 1310 | DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1311 | DTRACE_CABAC_T( "\tinCU-Y=" ) |
---|
| 1312 | DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1313 | DTRACE_CABAC_T( "\tpredmode=" ) |
---|
| 1314 | DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) ) |
---|
| 1315 | DTRACE_CABAC_T( "\n" ) |
---|
| 1316 | |
---|
| 1317 | if( uiWidth > pcCU->getSlice()->getSPS()->getMaxTrSize() ) |
---|
| 1318 | { |
---|
| 1319 | uiWidth = pcCU->getSlice()->getSPS()->getMaxTrSize(); |
---|
| 1320 | uiHeight = pcCU->getSlice()->getSPS()->getMaxTrSize(); |
---|
| 1321 | } |
---|
| 1322 | |
---|
| 1323 | eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA ); |
---|
| 1324 | |
---|
| 1325 | //----- parse significance map ----- |
---|
| 1326 | const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2; |
---|
[56] | 1327 | const UInt uiMaxNumCoeff = uiWidth * uiHeight; |
---|
[2] | 1328 | const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1; |
---|
[56] | 1329 | UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx)); |
---|
| 1330 | int blockType = uiLog2BlockSize; |
---|
| 1331 | if (uiWidth != uiHeight) |
---|
| 1332 | { |
---|
| 1333 | uiScanIdx = SCAN_DIAG; |
---|
| 1334 | blockType = 4; |
---|
| 1335 | } |
---|
[2] | 1336 | |
---|
[56] | 1337 | //===== decode last significant ===== |
---|
| 1338 | UInt uiPosLastX, uiPosLastY; |
---|
| 1339 | parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, uiHeight, eTType, uiScanIdx ); |
---|
| 1340 | UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockSize); |
---|
| 1341 | pcCoef[ uiBlkPosLast ] = 1; |
---|
[2] | 1342 | |
---|
[56] | 1343 | //===== decode significance flags ===== |
---|
| 1344 | UInt uiScanPosLast = uiBlkPosLast; |
---|
| 1345 | if (uiScanIdx == SCAN_ZIGZAG) |
---|
| 1346 | { |
---|
| 1347 | // Map zigzag to diagonal scan |
---|
| 1348 | uiScanIdx = SCAN_DIAG; |
---|
| 1349 | } |
---|
| 1350 | const UInt * scan; |
---|
| 1351 | if (uiWidth == uiHeight) |
---|
| 1352 | { |
---|
| 1353 | scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize-1 ]; |
---|
| 1354 | } |
---|
| 1355 | else |
---|
| 1356 | { |
---|
| 1357 | scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ]; |
---|
| 1358 | } |
---|
| 1359 | for( uiScanPosLast = 0; uiScanPosLast < uiMaxNumCoeffM1; uiScanPosLast++ ) |
---|
| 1360 | { |
---|
| 1361 | UInt uiBlkPos = scan[ uiScanPosLast ]; |
---|
| 1362 | if( uiBlkPosLast == uiBlkPos ) |
---|
[2] | 1363 | { |
---|
[56] | 1364 | break; |
---|
[2] | 1365 | } |
---|
[56] | 1366 | } |
---|
[2] | 1367 | |
---|
[56] | 1368 | ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType ); |
---|
| 1369 | ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA; |
---|
| 1370 | |
---|
| 1371 | const Int iLastScanSet = uiScanPosLast >> LOG2_SCAN_SET_SIZE; |
---|
| 1372 | UInt uiNumOne = 0; |
---|
| 1373 | UInt uiGoRiceParam = 0; |
---|
| 1374 | |
---|
| 1375 | #if MULTIBITS_DATA_HIDING |
---|
| 1376 | UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG(); |
---|
| 1377 | #if LOSSLESS_CODING |
---|
| 1378 | Bool beValid; |
---|
| 1379 | if (pcCU->isLosslessCoded(uiAbsPartIdx)) |
---|
[2] | 1380 | { |
---|
[56] | 1381 | beValid = false; |
---|
| 1382 | } |
---|
| 1383 | else |
---|
| 1384 | { |
---|
| 1385 | beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0; |
---|
| 1386 | } |
---|
[2] | 1387 | #else |
---|
[56] | 1388 | Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0; |
---|
[2] | 1389 | #endif |
---|
[56] | 1390 | UInt absSum = 0; |
---|
| 1391 | #endif // MULTIBITS_DATA_HIDING |
---|
| 1392 | |
---|
| 1393 | UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ]; |
---|
| 1394 | ::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM ); |
---|
| 1395 | const UInt uiNumBlkSide = uiWidth >> (MLS_CG_SIZE >> 1); |
---|
| 1396 | const UInt * scanCG; |
---|
| 1397 | if (uiWidth == uiHeight) |
---|
| 1398 | { |
---|
| 1399 | scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ]; |
---|
| 1400 | #if MULTILEVEL_SIGMAP_EXT |
---|
| 1401 | if( uiLog2BlockSize == 3 ) |
---|
[2] | 1402 | { |
---|
[56] | 1403 | scanCG = g_sigLastScan8x8[ uiScanIdx ]; |
---|
[2] | 1404 | } |
---|
[56] | 1405 | else if( uiLog2BlockSize == 5 ) |
---|
| 1406 | { |
---|
| 1407 | scanCG = g_sigLastScanCG32x32; |
---|
| 1408 | } |
---|
| 1409 | #endif |
---|
[2] | 1410 | } |
---|
[56] | 1411 | else |
---|
[2] | 1412 | { |
---|
[56] | 1413 | scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ]; |
---|
[2] | 1414 | } |
---|
[56] | 1415 | Int iScanPosSig = (Int) uiScanPosLast; |
---|
| 1416 | for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- ) |
---|
| 1417 | { |
---|
| 1418 | Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE; |
---|
| 1419 | uiGoRiceParam = 0; |
---|
| 1420 | Int numNonZero = 0; |
---|
| 1421 | |
---|
| 1422 | #if MULTIBITS_DATA_HIDING |
---|
| 1423 | Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE; |
---|
[2] | 1424 | #endif |
---|
[56] | 1425 | |
---|
| 1426 | Int pos[SCAN_SET_SIZE]; |
---|
| 1427 | if( iScanPosSig == (Int) uiScanPosLast ) |
---|
| 1428 | { |
---|
| 1429 | #if MULTIBITS_DATA_HIDING |
---|
| 1430 | lastNZPosInCG = iScanPosSig; |
---|
| 1431 | firstNZPosInCG = iScanPosSig; |
---|
[2] | 1432 | #endif |
---|
[56] | 1433 | iScanPosSig--; |
---|
| 1434 | pos[ numNonZero ] = uiBlkPosLast; |
---|
| 1435 | numNonZero = 1; |
---|
| 1436 | } |
---|
[2] | 1437 | |
---|
[56] | 1438 | #if !MULTILEVEL_SIGMAP_EXT |
---|
| 1439 | if( blockType > 3 ) |
---|
[2] | 1440 | { |
---|
| 1441 | #endif |
---|
[56] | 1442 | // decode significant_coeffgroup_flag |
---|
| 1443 | Int iCGBlkPos = scanCG[ iSubSet ]; |
---|
| 1444 | Int iCGPosY = iCGBlkPos / uiNumBlkSide; |
---|
| 1445 | Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide); |
---|
| 1446 | #if MULTILEVEL_SIGMAP_EXT |
---|
| 1447 | if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR || uiScanIdx == SCAN_VER) ) |
---|
[2] | 1448 | { |
---|
[56] | 1449 | iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0); |
---|
| 1450 | iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0); |
---|
[2] | 1451 | } |
---|
[56] | 1452 | #endif |
---|
| 1453 | #if !REMOVE_INFER_SIGGRP |
---|
| 1454 | Bool bInferredCGFlag = false; |
---|
| 1455 | #endif |
---|
| 1456 | #if REMOVE_INFER_SIGGRP |
---|
| 1457 | if( iSubSet == iLastScanSet || iSubSet == 0) |
---|
| 1458 | #else |
---|
| 1459 | if( iSubSet == iLastScanSet ) |
---|
| 1460 | #endif |
---|
[2] | 1461 | { |
---|
[56] | 1462 | uiSigCoeffGroupFlag[ iCGBlkPos ] = 1; |
---|
| 1463 | } |
---|
| 1464 | else |
---|
| 1465 | { |
---|
| 1466 | #if !REMOVE_INFER_SIGGRP |
---|
| 1467 | #if MULTILEVEL_SIGMAP_EXT |
---|
| 1468 | if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight) && ( iSubSet ) ) |
---|
| 1469 | #else |
---|
| 1470 | if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight) && ( iSubSet ) ) |
---|
| 1471 | #endif |
---|
[2] | 1472 | { |
---|
[56] | 1473 | #endif |
---|
| 1474 | UInt uiSigCoeffGroup; |
---|
| 1475 | #if MULTILEVEL_SIGMAP_EXT |
---|
| 1476 | UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ); |
---|
| 1477 | #else |
---|
| 1478 | UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ); |
---|
| 1479 | #endif |
---|
| 1480 | m_pcTDecBinIf->decodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] ); |
---|
| 1481 | uiSigCoeffGroupFlag[ iCGBlkPos ] = uiSigCoeffGroup; |
---|
| 1482 | #if !REMOVE_INFER_SIGGRP |
---|
[2] | 1483 | } |
---|
| 1484 | else |
---|
| 1485 | { |
---|
[56] | 1486 | uiSigCoeffGroupFlag[ iCGBlkPos ] = 1; |
---|
| 1487 | bInferredCGFlag = true; |
---|
[2] | 1488 | } |
---|
[56] | 1489 | #endif |
---|
| 1490 | } |
---|
| 1491 | |
---|
| 1492 | // decode significant_coeff_flag |
---|
| 1493 | UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig; |
---|
| 1494 | for( ; iScanPosSig >= iSubPos; iScanPosSig-- ) |
---|
| 1495 | { |
---|
| 1496 | uiBlkPos = scan[ iScanPosSig ]; |
---|
| 1497 | uiPosY = uiBlkPos >> uiLog2BlockSize; |
---|
| 1498 | uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize ); |
---|
| 1499 | uiSig = 0; |
---|
[2] | 1500 | |
---|
[56] | 1501 | if( uiSigCoeffGroupFlag[ iCGBlkPos ] ) |
---|
[2] | 1502 | { |
---|
[56] | 1503 | #if REMOVE_INFER_SIGGRP |
---|
| 1504 | if( iScanPosSig > iSubPos || iSubSet == 0 || numNonZero ) |
---|
| 1505 | #else |
---|
| 1506 | if( iScanPosSig > iSubPos || bInferredCGFlag || numNonZero ) |
---|
| 1507 | #endif |
---|
[2] | 1508 | { |
---|
[56] | 1509 | uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType ); |
---|
| 1510 | m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] ); |
---|
[2] | 1511 | } |
---|
[56] | 1512 | else |
---|
| 1513 | { |
---|
| 1514 | uiSig = 1; |
---|
| 1515 | } |
---|
[2] | 1516 | } |
---|
[56] | 1517 | pcCoef[ uiBlkPos ] = uiSig; |
---|
| 1518 | if( uiSig ) |
---|
[2] | 1519 | { |
---|
[56] | 1520 | pos[ numNonZero ] = uiBlkPos; |
---|
| 1521 | numNonZero ++; |
---|
| 1522 | #if MULTIBITS_DATA_HIDING |
---|
| 1523 | if( lastNZPosInCG == -1 ) |
---|
[2] | 1524 | { |
---|
[56] | 1525 | lastNZPosInCG = iScanPosSig; |
---|
| 1526 | } |
---|
| 1527 | firstNZPosInCG = iScanPosSig; |
---|
[2] | 1528 | #endif |
---|
| 1529 | } |
---|
[56] | 1530 | } |
---|
| 1531 | #if !MULTILEVEL_SIGMAP_EXT |
---|
| 1532 | } |
---|
| 1533 | else |
---|
| 1534 | { |
---|
| 1535 | for( ; iScanPosSig >= iSubPos; iScanPosSig-- ) |
---|
| 1536 | { |
---|
| 1537 | UInt uiBlkPos = scan[ iScanPosSig ]; |
---|
| 1538 | UInt uiPosY = uiBlkPos >> uiLog2BlockSize; |
---|
| 1539 | UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize ); |
---|
| 1540 | UInt uiSig = 0; |
---|
| 1541 | UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType ); |
---|
| 1542 | m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] ); |
---|
| 1543 | pcCoef[ uiBlkPos ] = uiSig; |
---|
| 1544 | if( uiSig ) |
---|
[2] | 1545 | { |
---|
[56] | 1546 | pos[ numNonZero ] = uiBlkPos; |
---|
| 1547 | numNonZero ++; |
---|
| 1548 | #if MULTIBITS_DATA_HIDING |
---|
| 1549 | if( lastNZPosInCG == -1 ) |
---|
[2] | 1550 | { |
---|
[56] | 1551 | lastNZPosInCG = iScanPosSig; |
---|
[2] | 1552 | } |
---|
[56] | 1553 | firstNZPosInCG = iScanPosSig; |
---|
| 1554 | #endif |
---|
[2] | 1555 | } |
---|
| 1556 | } |
---|
| 1557 | } |
---|
[56] | 1558 | #endif |
---|
| 1559 | |
---|
[2] | 1560 | |
---|
[56] | 1561 | if( numNonZero ) |
---|
[2] | 1562 | { |
---|
[56] | 1563 | #if MULTIBITS_DATA_HIDING |
---|
| 1564 | Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig ); |
---|
| 1565 | absSum = 0; |
---|
| 1566 | #endif // MULTIBITS_DATA_HIDING |
---|
| 1567 | |
---|
| 1568 | UInt c1 = 1; |
---|
| 1569 | #if !RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1570 | UInt c2 = 0; |
---|
| 1571 | #endif |
---|
| 1572 | #if LEVEL_CTX_LUMA_RED |
---|
| 1573 | UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0; |
---|
| 1574 | #else |
---|
| 1575 | UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0; |
---|
| 1576 | #endif |
---|
| 1577 | UInt uiBin; |
---|
[2] | 1578 | |
---|
[56] | 1579 | if( uiNumOne > 0 ) |
---|
[2] | 1580 | { |
---|
[56] | 1581 | uiCtxSet++; |
---|
| 1582 | #if !LEVEL_CTX_LUMA_RED |
---|
| 1583 | if(eTType==TEXT_LUMA && uiNumOne > 3) |
---|
[2] | 1584 | { |
---|
[56] | 1585 | uiCtxSet++; |
---|
[2] | 1586 | } |
---|
[56] | 1587 | #endif |
---|
| 1588 | } |
---|
| 1589 | |
---|
| 1590 | uiNumOne >>= 1; |
---|
| 1591 | ContextModel *baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 * uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet; |
---|
| 1592 | Int absCoeff[SCAN_SET_SIZE]; |
---|
| 1593 | |
---|
| 1594 | #if RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1595 | for ( Int i = 0; i < numNonZero; i++) absCoeff[i] = 1; |
---|
| 1596 | Int numC1Flag = min(numNonZero, C1FLAG_NUMBER); |
---|
| 1597 | Int firstC2FlagIdx = -1; |
---|
| 1598 | |
---|
| 1599 | for( Int idx = 0; idx < numC1Flag; idx++ ) |
---|
| 1600 | #else |
---|
| 1601 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
| 1602 | #endif |
---|
| 1603 | { |
---|
| 1604 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c1] ); |
---|
| 1605 | if( uiBin == 1 ) |
---|
[2] | 1606 | { |
---|
[56] | 1607 | c1 = 0; |
---|
| 1608 | #if RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1609 | if (firstC2FlagIdx == -1) |
---|
| 1610 | { |
---|
| 1611 | firstC2FlagIdx = idx; |
---|
| 1612 | } |
---|
| 1613 | #endif |
---|
| 1614 | } |
---|
| 1615 | else if( (c1 < 3) && (c1 > 0) ) |
---|
| 1616 | { |
---|
[2] | 1617 | c1++; |
---|
| 1618 | } |
---|
[56] | 1619 | absCoeff[ idx ] = uiBin + 1; |
---|
| 1620 | } |
---|
| 1621 | |
---|
| 1622 | if (c1 == 0) |
---|
| 1623 | { |
---|
| 1624 | #if RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1625 | baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet; |
---|
| 1626 | if ( firstC2FlagIdx != -1) |
---|
[2] | 1627 | { |
---|
[56] | 1628 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[0] ); |
---|
| 1629 | absCoeff[ firstC2FlagIdx ] = uiBin + 2; |
---|
[2] | 1630 | } |
---|
[56] | 1631 | #else |
---|
| 1632 | baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet; |
---|
| 1633 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
| 1634 | { |
---|
| 1635 | if( absCoeff[ idx ] == 2 ) |
---|
| 1636 | { |
---|
| 1637 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c2] ); |
---|
| 1638 | absCoeff[ idx ] = uiBin + 2; |
---|
| 1639 | c2 += (c2 < 2); |
---|
| 1640 | uiNumOne++; |
---|
| 1641 | } |
---|
| 1642 | } |
---|
| 1643 | #endif |
---|
[2] | 1644 | } |
---|
[56] | 1645 | |
---|
| 1646 | #if MULTIBITS_DATA_HIDING |
---|
| 1647 | UInt coeffSigns; |
---|
| 1648 | if ( signHidden && beValid ) |
---|
| 1649 | { |
---|
| 1650 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero-1 ); |
---|
| 1651 | coeffSigns <<= 32 - (numNonZero-1); |
---|
| 1652 | } |
---|
| 1653 | else |
---|
| 1654 | { |
---|
| 1655 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero ); |
---|
| 1656 | coeffSigns <<= 32 - numNonZero; |
---|
| 1657 | } |
---|
| 1658 | #else |
---|
| 1659 | UInt coeffSigns; |
---|
| 1660 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero ); |
---|
| 1661 | coeffSigns <<= 32 - numNonZero; |
---|
| 1662 | #endif |
---|
[2] | 1663 | |
---|
[56] | 1664 | #if RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1665 | Int iFirstCoeff2 = 1; |
---|
| 1666 | if (c1 == 0 || numNonZero > C1FLAG_NUMBER) |
---|
| 1667 | #else |
---|
| 1668 | if (c1 == 0) |
---|
| 1669 | #endif |
---|
[2] | 1670 | { |
---|
[56] | 1671 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
[2] | 1672 | { |
---|
[56] | 1673 | #if RESTRICT_GR1GR2FLAG_NUMBER |
---|
| 1674 | UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2) : 1; |
---|
[2] | 1675 | |
---|
[56] | 1676 | if( absCoeff[ idx ] == baseLevel) |
---|
[2] | 1677 | { |
---|
[56] | 1678 | UInt uiLevel; |
---|
[2] | 1679 | xReadGoRiceExGolomb( uiLevel, uiGoRiceParam ); |
---|
[56] | 1680 | absCoeff[ idx ] = uiLevel + baseLevel; |
---|
[2] | 1681 | } |
---|
[56] | 1682 | |
---|
| 1683 | if(absCoeff[ idx ] >= 2) |
---|
[2] | 1684 | { |
---|
[56] | 1685 | iFirstCoeff2 = 0; |
---|
| 1686 | uiNumOne++; |
---|
[2] | 1687 | } |
---|
| 1688 | #else |
---|
[56] | 1689 | if( absCoeff[ idx ] == 3 ) |
---|
| 1690 | { |
---|
| 1691 | UInt uiLevel; |
---|
| 1692 | xReadGoRiceExGolomb( uiLevel, uiGoRiceParam ); |
---|
| 1693 | absCoeff[ idx ] = uiLevel + 3; |
---|
| 1694 | } |
---|
[2] | 1695 | #endif |
---|
| 1696 | } |
---|
| 1697 | } |
---|
[56] | 1698 | |
---|
| 1699 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
[2] | 1700 | { |
---|
[56] | 1701 | Int blkPos = pos[ idx ]; |
---|
| 1702 | #if MULTIBITS_DATA_HIDING |
---|
| 1703 | // Signs applied later. |
---|
| 1704 | pcCoef[ blkPos ] = absCoeff[ idx ]; |
---|
| 1705 | absSum += absCoeff[ idx ]; |
---|
| 1706 | |
---|
| 1707 | if ( idx == numNonZero-1 && signHidden && beValid ) |
---|
| 1708 | { |
---|
| 1709 | // Infer sign of 1st element. |
---|
| 1710 | if (absSum&0x1) |
---|
| 1711 | pcCoef[ blkPos ] = -pcCoef[ blkPos ]; |
---|
| 1712 | } |
---|
| 1713 | else |
---|
| 1714 | { |
---|
| 1715 | Int sign = static_cast<Int>( coeffSigns ) >> 31; |
---|
| 1716 | pcCoef[ blkPos ] = ( pcCoef[ blkPos ] ^ sign ) - sign; |
---|
| 1717 | coeffSigns <<= 1; |
---|
| 1718 | } |
---|
| 1719 | #else |
---|
| 1720 | Int sign = static_cast<Int>( coeffSigns ) >> 31; |
---|
| 1721 | pcCoef[ blkPos ] = ( absCoeff[ idx ] ^ sign ) - sign; |
---|
| 1722 | coeffSigns <<= 1; |
---|
| 1723 | #endif |
---|
[2] | 1724 | } |
---|
| 1725 | } |
---|
[56] | 1726 | else |
---|
| 1727 | { |
---|
| 1728 | uiNumOne >>= 1; |
---|
| 1729 | } |
---|
[2] | 1730 | } |
---|
| 1731 | |
---|
| 1732 | return; |
---|
| 1733 | } |
---|
| 1734 | |
---|
| 1735 | |
---|
[56] | 1736 | #if SAO_UNIT_INTERLEAVING |
---|
| 1737 | Void TDecSbac::parseSaoUvlc (UInt& ruiVal) |
---|
[2] | 1738 | { |
---|
| 1739 | UInt uiCode; |
---|
| 1740 | Int i; |
---|
[56] | 1741 | |
---|
| 1742 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 1743 | if ( uiCode == 0 ) |
---|
| 1744 | { |
---|
| 1745 | ruiVal = 0; |
---|
| 1746 | return; |
---|
| 1747 | } |
---|
[56] | 1748 | |
---|
[2] | 1749 | i=1; |
---|
| 1750 | while (1) |
---|
| 1751 | { |
---|
[56] | 1752 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 1 ) ); |
---|
[2] | 1753 | if ( uiCode == 0 ) break; |
---|
| 1754 | i++; |
---|
| 1755 | } |
---|
[56] | 1756 | |
---|
[2] | 1757 | ruiVal = i; |
---|
| 1758 | } |
---|
| 1759 | |
---|
[56] | 1760 | Void TDecSbac::parseSaoSvlc (Int& riVal) |
---|
[2] | 1761 | { |
---|
| 1762 | UInt uiCode; |
---|
| 1763 | Int iSign; |
---|
| 1764 | Int i; |
---|
[56] | 1765 | |
---|
| 1766 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 0 ) ); |
---|
| 1767 | |
---|
[2] | 1768 | if ( uiCode == 0 ) |
---|
| 1769 | { |
---|
| 1770 | riVal = 0; |
---|
| 1771 | return; |
---|
| 1772 | } |
---|
[56] | 1773 | |
---|
[2] | 1774 | // read sign |
---|
[56] | 1775 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 1 ) ); |
---|
| 1776 | |
---|
| 1777 | if ( uiCode == 0 ) |
---|
| 1778 | { |
---|
| 1779 | iSign = 1; |
---|
| 1780 | } |
---|
| 1781 | else |
---|
| 1782 | { |
---|
| 1783 | iSign = -1; |
---|
| 1784 | } |
---|
| 1785 | |
---|
[2] | 1786 | // read magnitude |
---|
| 1787 | i=1; |
---|
| 1788 | while (1) |
---|
| 1789 | { |
---|
[56] | 1790 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 2 ) ); |
---|
[2] | 1791 | if ( uiCode == 0 ) break; |
---|
| 1792 | i++; |
---|
| 1793 | } |
---|
[56] | 1794 | |
---|
[2] | 1795 | riVal = i*iSign; |
---|
| 1796 | } |
---|
| 1797 | |
---|
[56] | 1798 | Void TDecSbac::parseSaoUflc (UInt& riVal) |
---|
[2] | 1799 | { |
---|
| 1800 | UInt uiSymbol; |
---|
[56] | 1801 | riVal = 0; |
---|
| 1802 | for (Int i=0;i<5;i++) |
---|
| 1803 | { |
---|
| 1804 | m_pcTDecBinIf->decodeBinEP ( uiSymbol ); |
---|
| 1805 | if (uiSymbol) |
---|
| 1806 | { |
---|
| 1807 | riVal |= (1<<i); |
---|
| 1808 | } |
---|
| 1809 | } |
---|
[2] | 1810 | } |
---|
[56] | 1811 | Void TDecSbac::parseSaoMergeLeft (UInt& ruiVal, UInt uiCompIdx) |
---|
| 1812 | { |
---|
| 1813 | UInt uiCode; |
---|
| 1814 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ) ); |
---|
| 1815 | ruiVal = (Int)uiCode; |
---|
| 1816 | } |
---|
[2] | 1817 | |
---|
[56] | 1818 | Void TDecSbac::parseSaoMergeUp (UInt& ruiVal) |
---|
[2] | 1819 | { |
---|
| 1820 | UInt uiCode; |
---|
[56] | 1821 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeUpSCModel.get( 0, 0, 0 ) ); |
---|
| 1822 | ruiVal = (Int)uiCode; |
---|
| 1823 | } |
---|
| 1824 | Void TDecSbac::parseSaoTypeIdx (UInt& ruiVal) |
---|
| 1825 | { |
---|
| 1826 | UInt uiCode; |
---|
[2] | 1827 | Int i; |
---|
[56] | 1828 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 1829 | if ( uiCode == 0 ) |
---|
| 1830 | { |
---|
| 1831 | ruiVal = 0; |
---|
| 1832 | return; |
---|
| 1833 | } |
---|
| 1834 | i=1; |
---|
| 1835 | while (1) |
---|
| 1836 | { |
---|
[56] | 1837 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) ); |
---|
[2] | 1838 | if ( uiCode == 0 ) break; |
---|
| 1839 | i++; |
---|
| 1840 | } |
---|
| 1841 | ruiVal = i; |
---|
| 1842 | } |
---|
| 1843 | |
---|
[56] | 1844 | inline Void copySaoOneLcuParam(SaoLcuParam* psDst, SaoLcuParam* psSrc) |
---|
[2] | 1845 | { |
---|
[56] | 1846 | Int i; |
---|
| 1847 | psDst->partIdx = psSrc->partIdx; |
---|
| 1848 | psDst->typeIdx = psSrc->typeIdx; |
---|
| 1849 | if (psDst->typeIdx != -1) |
---|
| 1850 | { |
---|
| 1851 | if (psDst->typeIdx == SAO_BO) |
---|
| 1852 | { |
---|
| 1853 | psDst->bandPosition = psSrc->bandPosition ; |
---|
| 1854 | } |
---|
| 1855 | else |
---|
| 1856 | { |
---|
| 1857 | psDst->bandPosition = 0; |
---|
| 1858 | } |
---|
| 1859 | psDst->length = psSrc->length; |
---|
| 1860 | for (i=0;i<psDst->length;i++) |
---|
| 1861 | { |
---|
| 1862 | psDst->offset[i] = psSrc->offset[i]; |
---|
| 1863 | } |
---|
| 1864 | } |
---|
| 1865 | else |
---|
| 1866 | { |
---|
| 1867 | psDst->length = 0; |
---|
| 1868 | for (i=0;i<SAO_BO_LEN;i++) |
---|
| 1869 | { |
---|
| 1870 | psDst->offset[i] = 0; |
---|
| 1871 | } |
---|
| 1872 | } |
---|
| 1873 | } |
---|
| 1874 | Void TDecSbac::parseSaoOffset(SaoLcuParam* psSaoLcuParam) |
---|
| 1875 | { |
---|
| 1876 | UInt uiSymbol; |
---|
| 1877 | Int iSymbol; |
---|
| 1878 | static Int iTypeLength[MAX_NUM_SAO_TYPE] = { |
---|
| 1879 | SAO_EO_LEN, |
---|
| 1880 | SAO_EO_LEN, |
---|
| 1881 | SAO_EO_LEN, |
---|
| 1882 | SAO_EO_LEN, |
---|
| 1883 | SAO_BO_LEN |
---|
| 1884 | }; |
---|
[2] | 1885 | |
---|
[56] | 1886 | parseSaoTypeIdx(uiSymbol); |
---|
| 1887 | psSaoLcuParam->typeIdx = (Int)uiSymbol - 1; |
---|
| 1888 | if (uiSymbol) |
---|
| 1889 | { |
---|
| 1890 | psSaoLcuParam->length = iTypeLength[psSaoLcuParam->typeIdx]; |
---|
| 1891 | if( psSaoLcuParam->typeIdx == SAO_BO ) |
---|
| 1892 | { |
---|
| 1893 | // Parse Left Band Index |
---|
| 1894 | parseSaoUflc( uiSymbol ); |
---|
| 1895 | psSaoLcuParam->bandPosition = uiSymbol; |
---|
| 1896 | for(Int i=0; i< psSaoLcuParam->length; i++) |
---|
| 1897 | { |
---|
| 1898 | parseSaoSvlc(iSymbol); |
---|
| 1899 | psSaoLcuParam->offset[i] = iSymbol; |
---|
| 1900 | } |
---|
| 1901 | } |
---|
| 1902 | else if( psSaoLcuParam->typeIdx < 4 ) |
---|
| 1903 | { |
---|
| 1904 | parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[0] = uiSymbol; |
---|
| 1905 | parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[1] = uiSymbol; |
---|
| 1906 | parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[2] = -(Int)uiSymbol; |
---|
| 1907 | parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[3] = -(Int)uiSymbol; |
---|
| 1908 | } |
---|
| 1909 | } |
---|
| 1910 | else |
---|
| 1911 | { |
---|
| 1912 | psSaoLcuParam->length = 0; |
---|
| 1913 | } |
---|
| 1914 | } |
---|
[2] | 1915 | |
---|
[56] | 1916 | Void TDecSbac::parseSaoOneLcuInterleaving(Int rx, Int ry, SAOParam* pSaoParam, TComDataCU* pcCU, Int iCUAddrInSlice, Int iCUAddrUpInSlice, Bool bLFCrossSliceBoundaryFlag) |
---|
| 1917 | { |
---|
| 1918 | Int iAddr = pcCU->getAddr(); |
---|
| 1919 | UInt uiSymbol; |
---|
| 1920 | for (Int iCompIdx=0; iCompIdx<3; iCompIdx++) |
---|
[2] | 1921 | { |
---|
[56] | 1922 | pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0; |
---|
| 1923 | pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0; |
---|
| 1924 | pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0; |
---|
| 1925 | pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1; |
---|
| 1926 | pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[0] = 0; |
---|
| 1927 | pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[1] = 0; |
---|
| 1928 | pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[2] = 0; |
---|
| 1929 | pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[3] = 0; |
---|
| 1930 | |
---|
| 1931 | if (pSaoParam->bSaoFlag[iCompIdx]) |
---|
| 1932 | { |
---|
| 1933 | if (rx>0 && iCUAddrInSlice!=0) |
---|
| 1934 | { |
---|
| 1935 | parseSaoMergeLeft(uiSymbol,iCompIdx); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = (Int)uiSymbol; |
---|
| 1936 | } |
---|
| 1937 | else |
---|
| 1938 | { |
---|
| 1939 | pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0; |
---|
| 1940 | } |
---|
| 1941 | |
---|
| 1942 | if (pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag==0) |
---|
| 1943 | { |
---|
| 1944 | if ((ry > 0) && (iCUAddrUpInSlice>0||bLFCrossSliceBoundaryFlag)) |
---|
| 1945 | { |
---|
| 1946 | parseSaoMergeUp(uiSymbol); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = uiSymbol; |
---|
| 1947 | } |
---|
| 1948 | else |
---|
| 1949 | { |
---|
| 1950 | pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0; |
---|
| 1951 | } |
---|
| 1952 | if (!pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag) |
---|
| 1953 | { |
---|
| 1954 | parseSaoOffset(&(pSaoParam->saoLcuParam[iCompIdx][iAddr])); |
---|
| 1955 | } |
---|
| 1956 | else |
---|
| 1957 | { |
---|
| 1958 | copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-pSaoParam->numCuInWidth]); |
---|
| 1959 | } |
---|
| 1960 | } |
---|
| 1961 | else |
---|
| 1962 | { |
---|
| 1963 | copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-1]); |
---|
| 1964 | } |
---|
| 1965 | } |
---|
| 1966 | else |
---|
| 1967 | { |
---|
| 1968 | pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1; |
---|
| 1969 | pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0; |
---|
| 1970 | } |
---|
[2] | 1971 | } |
---|
[56] | 1972 | } |
---|
| 1973 | #endif |
---|
[2] | 1974 | |
---|
[56] | 1975 | /** |
---|
| 1976 | - Initialize our contexts from the nominated source. |
---|
| 1977 | . |
---|
| 1978 | \param pSrc Contexts to be copied. |
---|
| 1979 | */ |
---|
| 1980 | Void TDecSbac::xCopyContextsFrom( TDecSbac* pSrc ) |
---|
| 1981 | { |
---|
| 1982 | memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0])); |
---|
| 1983 | } |
---|
[2] | 1984 | |
---|
[56] | 1985 | Void TDecSbac::xCopyFrom( TDecSbac* pSrc ) |
---|
| 1986 | { |
---|
| 1987 | m_pcTDecBinIf->copyState( pSrc->m_pcTDecBinIf ); |
---|
[2] | 1988 | |
---|
[56] | 1989 | m_uiLastQp = pSrc->m_uiLastQp; |
---|
| 1990 | xCopyContextsFrom( pSrc ); |
---|
| 1991 | |
---|
| 1992 | } |
---|
| 1993 | |
---|
| 1994 | Void TDecSbac::load ( TDecSbac* pScr ) |
---|
| 1995 | { |
---|
| 1996 | xCopyFrom(pScr); |
---|
| 1997 | } |
---|
| 1998 | |
---|
| 1999 | Void TDecSbac::loadContexts ( TDecSbac* pScr ) |
---|
| 2000 | { |
---|
| 2001 | xCopyContextsFrom(pScr); |
---|
| 2002 | } |
---|
| 2003 | |
---|
| 2004 | #if OL_FLUSH |
---|
| 2005 | Void TDecSbac::decodeFlush ( ) |
---|
| 2006 | { |
---|
| 2007 | UInt uiBit; |
---|
| 2008 | m_pcTDecBinIf->decodeBinTrm(uiBit); |
---|
| 2009 | m_pcTDecBinIf->flush(); |
---|
| 2010 | |
---|
| 2011 | } |
---|
| 2012 | #endif |
---|
| 2013 | |
---|
| 2014 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
| 2015 | Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel ) |
---|
| 2016 | { |
---|
| 2017 | UInt uiSymbol; |
---|
| 2018 | UInt uiCount = 0; |
---|
| 2019 | do |
---|
[2] | 2020 | { |
---|
[56] | 2021 | m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel ); |
---|
| 2022 | uiCount++; |
---|
[2] | 2023 | } |
---|
[56] | 2024 | while( uiSymbol && ( uiCount != 13 ) ); |
---|
[2] | 2025 | |
---|
[56] | 2026 | ruiSymbol = uiCount - 1; |
---|
| 2027 | |
---|
| 2028 | if( uiSymbol ) |
---|
| 2029 | { |
---|
| 2030 | xReadEpExGolomb( uiSymbol, 0 ); |
---|
| 2031 | ruiSymbol += uiSymbol + 1; |
---|
| 2032 | } |
---|
| 2033 | |
---|
| 2034 | return; |
---|
[2] | 2035 | } |
---|
| 2036 | #endif |
---|
[56] | 2037 | #if HHI_DMM_WEDGE_INTRA |
---|
| 2038 | Void TDecSbac::xParseWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2039 | { |
---|
| 2040 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 2041 | Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx]; |
---|
| 2042 | |
---|
| 2043 | UInt uiSymbol, uiTabIdx = 0; |
---|
| 2044 | for ( Int i = 0; i < iBits; i++ ) |
---|
| 2045 | { |
---|
| 2046 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) ); |
---|
| 2047 | uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0; |
---|
| 2048 | uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0; |
---|
| 2049 | uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0; |
---|
| 2050 | uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0; |
---|
| 2051 | uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0; |
---|
| 2052 | uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0; |
---|
| 2053 | uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0; |
---|
| 2054 | uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0; |
---|
| 2055 | uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0; |
---|
| 2056 | uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0; |
---|
| 2057 | uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0; |
---|
| 2058 | uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0; |
---|
| 2059 | uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0; |
---|
| 2060 | } |
---|
| 2061 | |
---|
| 2062 | pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth ); |
---|
| 2063 | } |
---|
| 2064 | |
---|
| 2065 | Void TDecSbac::xParseWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2066 | { |
---|
| 2067 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 2068 | Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx]; |
---|
| 2069 | |
---|
| 2070 | UInt uiSymbol, uiTabIdx = 0; |
---|
| 2071 | for ( Int i = 0; i < iBits; i++ ) |
---|
| 2072 | { |
---|
| 2073 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) ); |
---|
| 2074 | uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0; |
---|
| 2075 | uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0; |
---|
| 2076 | uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0; |
---|
| 2077 | uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0; |
---|
| 2078 | uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0; |
---|
| 2079 | uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0; |
---|
| 2080 | uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0; |
---|
| 2081 | uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0; |
---|
| 2082 | uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0; |
---|
| 2083 | uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0; |
---|
| 2084 | uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0; |
---|
| 2085 | uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0; |
---|
| 2086 | uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0; |
---|
| 2087 | } |
---|
| 2088 | |
---|
| 2089 | pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth ); |
---|
| 2090 | |
---|
| 2091 | UInt uiDC1, uiDC2; |
---|
| 2092 | xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2093 | Int iDC1 = uiDC1; |
---|
| 2094 | if ( uiDC1 ) |
---|
| 2095 | { |
---|
| 2096 | UInt uiSign; |
---|
| 2097 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2098 | if ( uiSign ) |
---|
| 2099 | { |
---|
| 2100 | iDC1 = -iDC1; |
---|
| 2101 | } |
---|
| 2102 | } |
---|
| 2103 | xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2104 | Int iDC2 = uiDC2; |
---|
| 2105 | if ( uiDC2 ) |
---|
| 2106 | { |
---|
| 2107 | UInt uiSign; |
---|
| 2108 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2109 | if ( uiSign ) |
---|
| 2110 | { |
---|
| 2111 | iDC2 = -iDC2; |
---|
| 2112 | } |
---|
| 2113 | } |
---|
| 2114 | |
---|
| 2115 | pcCU->setWedgeFullDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 2116 | pcCU->setWedgeFullDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 2117 | } |
---|
| 2118 | |
---|
| 2119 | Void TDecSbac::xParseWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2120 | { |
---|
| 2121 | if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 ) |
---|
| 2122 | { |
---|
| 2123 | UInt uiDeltaEnd = 0; |
---|
| 2124 | m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) ); |
---|
| 2125 | |
---|
| 2126 | Int iDeltaEnd; |
---|
| 2127 | if( uiDeltaEnd != 0 ) |
---|
| 2128 | { |
---|
| 2129 | UInt uiAbsValMinus1; |
---|
| 2130 | UInt uiSymbol; |
---|
| 2131 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol; |
---|
| 2132 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 |= uiSymbol << 1; |
---|
| 2133 | uiDeltaEnd = uiAbsValMinus1 + 1; |
---|
| 2134 | |
---|
| 2135 | iDeltaEnd = uiDeltaEnd; |
---|
| 2136 | UInt uiSign; |
---|
| 2137 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2138 | if( uiSign ) |
---|
| 2139 | { |
---|
| 2140 | iDeltaEnd = -iDeltaEnd; |
---|
| 2141 | } |
---|
| 2142 | } |
---|
| 2143 | else |
---|
| 2144 | { |
---|
| 2145 | iDeltaEnd = 0; |
---|
| 2146 | } |
---|
| 2147 | pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth ); |
---|
| 2148 | } |
---|
| 2149 | } |
---|
| 2150 | |
---|
| 2151 | Void TDecSbac::xParseWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2152 | { |
---|
| 2153 | if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 ) |
---|
| 2154 | { |
---|
| 2155 | UInt uiDeltaEnd = 0; |
---|
| 2156 | m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) ); |
---|
| 2157 | |
---|
| 2158 | Int iDeltaEnd; |
---|
| 2159 | if( uiDeltaEnd != 0 ) |
---|
| 2160 | { |
---|
| 2161 | UInt uiAbsValMinus1; |
---|
| 2162 | UInt uiSymbol; |
---|
| 2163 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol; |
---|
| 2164 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 |= uiSymbol << 1; |
---|
| 2165 | uiDeltaEnd = uiAbsValMinus1 + 1; |
---|
| 2166 | |
---|
| 2167 | iDeltaEnd = uiDeltaEnd; |
---|
| 2168 | UInt uiSign; |
---|
| 2169 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2170 | if( uiSign ) |
---|
| 2171 | { |
---|
| 2172 | iDeltaEnd = -iDeltaEnd; |
---|
| 2173 | } |
---|
| 2174 | } |
---|
| 2175 | else |
---|
| 2176 | { |
---|
| 2177 | iDeltaEnd = 0; |
---|
| 2178 | } |
---|
| 2179 | |
---|
| 2180 | pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth ); |
---|
| 2181 | } |
---|
| 2182 | |
---|
| 2183 | UInt uiDC1, uiDC2; |
---|
| 2184 | xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2185 | Int iDC1 = uiDC1; |
---|
| 2186 | if ( uiDC1 ) |
---|
| 2187 | { |
---|
| 2188 | UInt uiSign; |
---|
| 2189 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2190 | if ( uiSign ) |
---|
| 2191 | { |
---|
| 2192 | iDC1 = -iDC1; |
---|
| 2193 | } |
---|
| 2194 | } |
---|
| 2195 | xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2196 | Int iDC2 = uiDC2; |
---|
| 2197 | if ( uiDC2 ) |
---|
| 2198 | { |
---|
| 2199 | UInt uiSign; |
---|
| 2200 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2201 | if ( uiSign ) |
---|
| 2202 | { |
---|
| 2203 | iDC2 = -iDC2; |
---|
| 2204 | } |
---|
| 2205 | } |
---|
| 2206 | |
---|
| 2207 | pcCU->setWedgePredDirDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 2208 | pcCU->setWedgePredDirDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 2209 | } |
---|
| 2210 | #endif |
---|
| 2211 | #if HHI_DMM_PRED_TEX |
---|
| 2212 | Void TDecSbac::xParseWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2213 | { |
---|
| 2214 | UInt uiDC1, uiDC2; |
---|
| 2215 | xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2216 | Int iDC1 = uiDC1; |
---|
| 2217 | if ( uiDC1 ) |
---|
| 2218 | { |
---|
| 2219 | UInt uiSign; |
---|
| 2220 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2221 | if ( uiSign ) |
---|
| 2222 | { |
---|
| 2223 | iDC1 = -iDC1; |
---|
| 2224 | } |
---|
| 2225 | } |
---|
| 2226 | xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2227 | Int iDC2 = uiDC2; |
---|
| 2228 | if ( uiDC2 ) |
---|
| 2229 | { |
---|
| 2230 | UInt uiSign; |
---|
| 2231 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2232 | if ( uiSign ) |
---|
| 2233 | { |
---|
| 2234 | iDC2 = -iDC2; |
---|
| 2235 | } |
---|
| 2236 | } |
---|
| 2237 | |
---|
| 2238 | pcCU->setWedgePredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 2239 | pcCU->setWedgePredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 2240 | } |
---|
| 2241 | |
---|
| 2242 | Void TDecSbac::xParseContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2243 | { |
---|
| 2244 | UInt uiDC1, uiDC2; |
---|
| 2245 | xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2246 | Int iDC1 = uiDC1; |
---|
| 2247 | if ( uiDC1 ) |
---|
| 2248 | { |
---|
| 2249 | UInt uiSign; |
---|
| 2250 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2251 | if ( uiSign ) |
---|
| 2252 | { |
---|
| 2253 | iDC1 = -iDC1; |
---|
| 2254 | } |
---|
| 2255 | } |
---|
| 2256 | xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) ); |
---|
| 2257 | Int iDC2 = uiDC2; |
---|
| 2258 | if ( uiDC2 ) |
---|
| 2259 | { |
---|
| 2260 | UInt uiSign; |
---|
| 2261 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2262 | if ( uiSign ) |
---|
| 2263 | { |
---|
| 2264 | iDC2 = -iDC2; |
---|
| 2265 | } |
---|
| 2266 | } |
---|
| 2267 | |
---|
| 2268 | pcCU->setContourPredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 2269 | pcCU->setContourPredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 2270 | } |
---|
| 2271 | #endif |
---|
| 2272 | //! \} |
---|