[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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[872] | 6 | * Copyright (c) 2010-2014, 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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[983] | 54 | #if MTK_SINGLE_DEPTH_MODE_I0095 |
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| 55 | , m_cCUSingleDepthFlagSCModel ( 1, 1, NUM_SINGLEDEPTH_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 56 | , m_cSingleDepthValueSCModel ( 1, 1, NUM_SINGLE_DEPTH_VALUE_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 57 | #endif |
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[56] | 58 | , m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 59 | , m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 60 | #if H_3D_ARP |
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| 61 | , m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[2] | 62 | #endif |
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[608] | 63 | #if H_3D_IC |
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| 64 | , m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[443] | 65 | #endif |
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[56] | 66 | , m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 67 | , m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 68 | , m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 69 | , m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 70 | , m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 71 | , m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 72 | , m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 73 | , m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 74 | , m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 75 | , m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 76 | , m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 77 | , m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 78 | , m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 79 | , m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels) |
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| 80 | , m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels) |
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| 81 | , m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 82 | , m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 83 | , m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 84 | , m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[443] | 85 | , m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 86 | , m_cTransformSkipSCModel ( 1, 2, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 87 | , m_CUTransquantBypassFlagSCModel( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX, m_contextModels + m_numContextModels, m_numContextModels) |
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| 88 | #if H_3D_DIM |
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| 89 | , m_cDepthIntraModeSCModel ( 1, 1, NUM_DEPTH_INTRA_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 90 | , m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 91 | , m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[833] | 92 | , m_cAngleFlagSCModel ( 1, 1, NUM_ANGLE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 93 | #if H_3D_DIM_SDC |
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| 94 | , m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 95 | , m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[100] | 96 | #endif |
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| 97 | #endif |
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[884] | 98 | #if H_3D_DIM_SDC |
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[833] | 99 | , m_cSDCFlagSCModel ( 1, 1, NUM_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 100 | #endif |
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| 101 | #if H_3D_DBBP |
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| 102 | , m_cDBBPFlagSCModel ( 1, 1, DBBP_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 103 | #endif |
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[2] | 104 | { |
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[56] | 105 | assert( m_numContextModels <= MAX_NUM_CTX_MOD ); |
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[2] | 106 | } |
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| 107 | |
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| 108 | TDecSbac::~TDecSbac() |
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| 109 | { |
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| 110 | } |
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| 111 | |
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| 112 | // ==================================================================================================================== |
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| 113 | // Public member functions |
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| 114 | // ==================================================================================================================== |
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| 115 | |
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[56] | 116 | Void TDecSbac::resetEntropy(TComSlice* pSlice) |
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[2] | 117 | { |
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[56] | 118 | SliceType sliceType = pSlice->getSliceType(); |
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| 119 | Int qp = pSlice->getSliceQp(); |
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| 120 | |
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| 121 | if (pSlice->getPPS()->getCabacInitPresentFlag() && pSlice->getCabacInitFlag()) |
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| 122 | { |
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| 123 | switch (sliceType) |
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| 124 | { |
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| 125 | case P_SLICE: // change initialization table to B_SLICE initialization |
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| 126 | sliceType = B_SLICE; |
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| 127 | break; |
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| 128 | case B_SLICE: // change initialization table to P_SLICE initialization |
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| 129 | sliceType = P_SLICE; |
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| 130 | break; |
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| 131 | default : // should not occur |
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| 132 | assert(0); |
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| 133 | } |
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| 134 | } |
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| 135 | |
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| 136 | m_cCUSplitFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SPLIT_FLAG ); |
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| 137 | m_cCUSkipFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SKIP_FLAG ); |
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[983] | 138 | #if MTK_SINGLE_DEPTH_MODE_I0095 |
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| 139 | m_cCUSingleDepthFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SINGLEDEPTH_FLAG ); |
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| 140 | m_cSingleDepthValueSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SINGLE_DEPTH_VALUE_DATA ); |
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| 141 | #endif |
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[56] | 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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[608] | 144 | #if H_3D_ARP |
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| 145 | m_cCUPUARPWSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ARPW ); |
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[2] | 146 | #endif |
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[608] | 147 | #if H_3D_IC |
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| 148 | m_cCUICFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_IC_FLAG ); |
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[443] | 149 | #endif |
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[56] | 150 | m_cCUPartSizeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PART_SIZE ); |
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| 151 | m_cCUPredModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PRED_MODE ); |
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| 152 | m_cCUIntraPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 153 | m_cCUChromaPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 154 | m_cCUInterDirSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTER_DIR ); |
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| 155 | m_cCUMvdSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVD ); |
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| 156 | m_cCURefPicSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_REF_PIC ); |
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| 157 | m_cCUDeltaQpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DQP ); |
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| 158 | m_cCUQtCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_CBF ); |
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| 159 | m_cCUQtRootCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 160 | m_cCUSigCoeffGroupSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 161 | m_cCUSigSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_FLAG ); |
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| 162 | m_cCuCtxLastX.initBuffer ( sliceType, qp, (UChar*)INIT_LAST ); |
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| 163 | m_cCuCtxLastY.initBuffer ( sliceType, qp, (UChar*)INIT_LAST ); |
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| 164 | m_cCUOneSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ONE_FLAG ); |
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| 165 | m_cCUAbsSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ABS_FLAG ); |
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| 166 | m_cMVPIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVP_IDX ); |
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[608] | 167 | m_cSaoMergeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG ); |
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[443] | 168 | m_cSaoTypeIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_TYPE_IDX ); |
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[56] | 169 | |
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| 170 | m_cCUTransSubdivFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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[608] | 171 | m_cTransformSkipSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG ); |
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| 172 | m_CUTransquantBypassFlagSCModel.initBuffer( sliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG ); |
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| 173 | #if H_3D_DIM |
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| 174 | m_cDepthIntraModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE ); |
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| 175 | m_cDdcFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DDC_FLAG ); |
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| 176 | m_cDdcDataSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DDC_DATA ); |
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[833] | 177 | m_cAngleFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ANGLE_FLAG ); |
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[608] | 178 | #if H_3D_DIM_SDC |
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| 179 | m_cSDCResidualFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_RESIDUAL_FLAG ); |
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| 180 | m_cSDCResidualSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_RESIDUAL ); |
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[2] | 181 | #endif |
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[443] | 182 | #endif |
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[884] | 183 | #if H_3D_DIM_SDC |
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[833] | 184 | m_cSDCFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_FLAG ); |
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| 185 | #endif |
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| 186 | #if H_3D_DBBP |
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| 187 | m_cDBBPFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DBBP_FLAG ); |
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| 188 | #endif |
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[608] | 189 | m_uiLastDQpNonZero = 0; |
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[2] | 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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[608] | 204 | assert(uiBit); // end_of_sub_stream_one_bit must be equal to 1 |
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[56] | 205 | m_pcTDecBinIf->finish(); |
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| 206 | m_pcBitstream->readOutTrailingBits(); |
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| 207 | m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG ); |
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| 208 | m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG ); |
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[983] | 209 | #if MTK_SINGLE_DEPTH_MODE_I0095 |
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| 210 | m_cCUSingleDepthFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SINGLEDEPTH_FLAG ); |
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| 211 | m_cSingleDepthValueSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SINGLE_DEPTH_VALUE_DATA ); |
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| 212 | #endif |
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[56] | 213 | m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT ); |
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| 214 | m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT ); |
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[608] | 215 | #if H_3D_ARP |
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| 216 | m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW ); |
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[56] | 217 | #endif |
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[608] | 218 | #if H_3D_IC |
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| 219 | m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG ); |
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[443] | 220 | #endif |
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[56] | 221 | m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE ); |
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| 222 | m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE ); |
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| 223 | m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 224 | m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 225 | m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR ); |
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| 226 | m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD ); |
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| 227 | m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC ); |
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| 228 | m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP ); |
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| 229 | m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF ); |
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| 230 | m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 231 | m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 232 | m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG ); |
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| 233 | m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 234 | m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 235 | m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG ); |
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| 236 | m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG ); |
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| 237 | m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX ); |
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[608] | 238 | m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG ); |
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[443] | 239 | m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX ); |
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[56] | 240 | m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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[608] | 241 | m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG ); |
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| 242 | m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG ); |
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| 243 | |
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| 244 | #if H_3D_DIM |
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| 245 | m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE ); |
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| 246 | m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG ); |
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| 247 | m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA ); |
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[833] | 248 | m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG ); |
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[608] | 249 | #if H_3D_DIM_SDC |
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| 250 | m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG ); |
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| 251 | m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL ); |
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[443] | 252 | #endif |
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[189] | 253 | #endif |
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[884] | 254 | #if H_3D_DIM_SDC |
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[833] | 255 | m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG ); |
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| 256 | #endif |
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| 257 | #if H_3D_DBBP |
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| 258 | m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG ); |
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| 259 | #endif |
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[56] | 260 | m_pcTDecBinIf->start(); |
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| 261 | } |
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| 262 | |
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[608] | 263 | Void TDecSbac::parseTerminatingBit( UInt& ruiBit ) |
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[56] | 264 | { |
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[608] | 265 | m_pcTDecBinIf->decodeBinTrm( ruiBit ); |
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| 266 | if ( ruiBit ) |
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[56] | 267 | { |
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[608] | 268 | m_pcTDecBinIf->finish(); |
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[56] | 269 | } |
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| 270 | } |
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| 271 | |
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[2] | 272 | |
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| 273 | Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ) |
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| 274 | { |
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| 275 | if (uiMaxSymbol == 0) |
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| 276 | { |
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| 277 | ruiSymbol = 0; |
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| 278 | return; |
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| 279 | } |
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| 280 | |
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| 281 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
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| 282 | |
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| 283 | if( ruiSymbol == 0 || uiMaxSymbol == 1 ) |
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| 284 | { |
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| 285 | return; |
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| 286 | } |
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| 287 | |
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| 288 | UInt uiSymbol = 0; |
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| 289 | UInt uiCont; |
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| 290 | |
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| 291 | do |
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| 292 | { |
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| 293 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] ); |
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| 294 | uiSymbol++; |
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| 295 | } |
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| 296 | while( uiCont && ( uiSymbol < uiMaxSymbol - 1 ) ); |
---|
| 297 | |
---|
| 298 | if( uiCont && ( uiSymbol == uiMaxSymbol - 1 ) ) |
---|
| 299 | { |
---|
| 300 | uiSymbol++; |
---|
| 301 | } |
---|
| 302 | |
---|
| 303 | ruiSymbol = uiSymbol; |
---|
| 304 | } |
---|
| 305 | |
---|
| 306 | Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount ) |
---|
| 307 | { |
---|
| 308 | UInt uiSymbol = 0; |
---|
| 309 | UInt uiBit = 1; |
---|
| 310 | |
---|
| 311 | while( uiBit ) |
---|
| 312 | { |
---|
| 313 | m_pcTDecBinIf->decodeBinEP( uiBit ); |
---|
| 314 | uiSymbol += uiBit << uiCount++; |
---|
| 315 | } |
---|
| 316 | |
---|
[56] | 317 | if ( --uiCount ) |
---|
[2] | 318 | { |
---|
[56] | 319 | UInt bins; |
---|
| 320 | m_pcTDecBinIf->decodeBinsEP( bins, uiCount ); |
---|
| 321 | uiSymbol += bins; |
---|
[2] | 322 | } |
---|
| 323 | |
---|
| 324 | ruiSymbol = uiSymbol; |
---|
| 325 | } |
---|
| 326 | |
---|
| 327 | Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset ) |
---|
| 328 | { |
---|
| 329 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
---|
| 330 | |
---|
| 331 | if( !ruiSymbol ) |
---|
| 332 | { |
---|
| 333 | return; |
---|
| 334 | } |
---|
| 335 | |
---|
| 336 | UInt uiSymbol = 0; |
---|
| 337 | UInt uiCont; |
---|
| 338 | |
---|
| 339 | do |
---|
| 340 | { |
---|
| 341 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] ); |
---|
| 342 | uiSymbol++; |
---|
| 343 | } |
---|
| 344 | while( uiCont ); |
---|
| 345 | |
---|
| 346 | ruiSymbol = uiSymbol; |
---|
| 347 | } |
---|
| 348 | |
---|
[608] | 349 | |
---|
| 350 | /** Parsing of coeff_abs_level_remaing |
---|
| 351 | * \param ruiSymbol reference to coeff_abs_level_remaing |
---|
| 352 | * \param ruiParam reference to parameter |
---|
[2] | 353 | * \returns Void |
---|
| 354 | */ |
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[608] | 355 | Void TDecSbac::xReadCoefRemainExGolomb ( UInt &rSymbol, UInt &rParam ) |
---|
[2] | 356 | { |
---|
| 357 | |
---|
[608] | 358 | UInt prefix = 0; |
---|
| 359 | UInt codeWord = 0; |
---|
[2] | 360 | do |
---|
| 361 | { |
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[608] | 362 | prefix++; |
---|
| 363 | m_pcTDecBinIf->decodeBinEP( codeWord ); |
---|
[2] | 364 | } |
---|
[608] | 365 | while( codeWord); |
---|
| 366 | codeWord = 1 - codeWord; |
---|
| 367 | prefix -= codeWord; |
---|
| 368 | codeWord=0; |
---|
| 369 | if (prefix < COEF_REMAIN_BIN_REDUCTION ) |
---|
| 370 | { |
---|
| 371 | m_pcTDecBinIf->decodeBinsEP(codeWord,rParam); |
---|
| 372 | rSymbol = (prefix<<rParam) + codeWord; |
---|
| 373 | } |
---|
| 374 | else |
---|
| 375 | { |
---|
| 376 | m_pcTDecBinIf->decodeBinsEP(codeWord,prefix-COEF_REMAIN_BIN_REDUCTION+rParam); |
---|
| 377 | rSymbol = (((1<<(prefix-COEF_REMAIN_BIN_REDUCTION))+COEF_REMAIN_BIN_REDUCTION-1)<<rParam)+codeWord; |
---|
| 378 | } |
---|
| 379 | } |
---|
[2] | 380 | |
---|
[608] | 381 | #if H_3D_DIM |
---|
| 382 | Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel ) |
---|
| 383 | { |
---|
| 384 | UInt uiSymbol; |
---|
| 385 | UInt uiCount = 0; |
---|
| 386 | do |
---|
| 387 | { |
---|
| 388 | m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel ); |
---|
| 389 | uiCount++; |
---|
| 390 | } |
---|
[950] | 391 | while( uiSymbol && ( uiCount != 3 ) ); |
---|
[608] | 392 | ruiSymbol = uiCount - 1; |
---|
| 393 | |
---|
| 394 | if( uiSymbol ) |
---|
[2] | 395 | { |
---|
[608] | 396 | xReadEpExGolomb( uiSymbol, 0 ); |
---|
| 397 | ruiSymbol += uiSymbol + 1; |
---|
[2] | 398 | } |
---|
| 399 | |
---|
[608] | 400 | return; |
---|
| 401 | } |
---|
[2] | 402 | |
---|
[724] | 403 | Void TDecSbac::xParseDimDeltaDC( Pel& rValDeltaDC, UInt uiNumSeg ) |
---|
| 404 | { |
---|
| 405 | UInt absValDeltaDC = 0; |
---|
| 406 | xReadExGolombLevel( absValDeltaDC, m_cDdcDataSCModel.get(0, 0, 0) ); |
---|
| 407 | rValDeltaDC = (Pel)absValDeltaDC + ( uiNumSeg > 1 ? 0 : 1 ); |
---|
| 408 | |
---|
| 409 | if( rValDeltaDC != 0 ) |
---|
| 410 | { |
---|
| 411 | UInt uiSign; |
---|
| 412 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 413 | if ( uiSign ) |
---|
| 414 | { |
---|
| 415 | rValDeltaDC = -rValDeltaDC; |
---|
| 416 | } |
---|
| 417 | } |
---|
| 418 | } |
---|
[608] | 419 | |
---|
[724] | 420 | |
---|
[608] | 421 | #if H_3D_DIM_DMM |
---|
| 422 | Void TDecSbac::xParseDmm1WedgeIdx( UInt& ruiTabIdx, Int iNumBit ) |
---|
| 423 | { |
---|
| 424 | UInt uiSymbol, uiIdx = 0; |
---|
| 425 | for( Int i = 0; i < iNumBit; i++ ) |
---|
| 426 | { |
---|
[976] | 427 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
[608] | 428 | uiIdx += uiSymbol << i; |
---|
| 429 | } |
---|
| 430 | ruiTabIdx = uiIdx; |
---|
| 431 | } |
---|
| 432 | #endif |
---|
[2] | 433 | |
---|
[608] | 434 | #if H_3D_DIM_SDC |
---|
| 435 | Void TDecSbac::xParseSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiSegment ) |
---|
| 436 | { |
---|
| 437 | assert( pcCU->getSlice()->getIsDepth() ); |
---|
| 438 | assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N ); |
---|
| 439 | assert( pcCU->getSDCFlag(uiAbsPartIdx) ); |
---|
| 440 | assert( uiSegment < 2 ); |
---|
| 441 | |
---|
| 442 | UInt uiResidual = 0; |
---|
| 443 | UInt uiBit = 0; |
---|
| 444 | UInt uiAbsIdx = 0; |
---|
| 445 | UInt uiSign = 0; |
---|
| 446 | Int iIdx = 0; |
---|
| 447 | |
---|
| 448 | #if H_3D_DIM_DLT |
---|
[758] | 449 | UInt uiMaxResidualBits = pcCU->getSlice()->getPPS()->getDLT()->getBitsPerDepthValue( pcCU->getSlice()->getLayerIdInVps() ); |
---|
| 450 | #else |
---|
[608] | 451 | UInt uiMaxResidualBits = g_bitDepthY; |
---|
| 452 | #endif |
---|
| 453 | assert( uiMaxResidualBits <= g_bitDepthY ); |
---|
| 454 | |
---|
| 455 | m_pcTDecBinIf->decodeBin(uiResidual, m_cSDCResidualFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 456 | |
---|
[622] | 457 | #if H_MV_ENC_DEC_TRAC |
---|
| 458 | DTRACE_CU("sdc_residual_flag[i]", uiResidual) |
---|
| 459 | #endif |
---|
| 460 | |
---|
[608] | 461 | if (uiResidual) |
---|
| 462 | { |
---|
| 463 | // decode residual sign bit |
---|
| 464 | m_pcTDecBinIf->decodeBinEP(uiSign); |
---|
[622] | 465 | #if H_MV_ENC_DEC_TRAC |
---|
| 466 | DTRACE_CU("sdc_residual_sign_flag[i]", uiSign) |
---|
| 467 | #endif |
---|
[608] | 468 | |
---|
| 469 | // decode residual magnitude |
---|
| 470 | // prefix part |
---|
| 471 | UInt uiCount = 0; |
---|
| 472 | #if H_3D_DIM_DLT |
---|
[758] | 473 | UInt uiNumDepthValues = pcCU->getSlice()->getPPS()->getDLT()->getNumDepthValues( pcCU->getSlice()->getLayerIdInVps() ); |
---|
| 474 | #else |
---|
[608] | 475 | UInt uiNumDepthValues = ((1 << g_bitDepthY)-1); |
---|
| 476 | #endif |
---|
| 477 | UInt uiPrefixThreshold = ((uiNumDepthValues * 3) >> 2); |
---|
| 478 | for ( UInt ui = 0; ui < uiPrefixThreshold; ui++) |
---|
| 479 | { |
---|
| 480 | m_pcTDecBinIf->decodeBin( uiBit, m_cSDCResidualSCModel.get(0, 0, 0) ); |
---|
| 481 | if ( uiBit == 0 ) |
---|
| 482 | break; |
---|
| 483 | else |
---|
| 484 | uiCount++; |
---|
| 485 | } |
---|
| 486 | // suffix part |
---|
| 487 | if ( uiCount == uiPrefixThreshold ) |
---|
| 488 | { |
---|
| 489 | for ( UInt ui = 0; ui < numBitsForValue(uiNumDepthValues - uiPrefixThreshold); ui++ ) |
---|
| 490 | { |
---|
| 491 | m_pcTDecBinIf->decodeBinEP( uiBit ); |
---|
| 492 | uiAbsIdx |= uiBit << ui; |
---|
| 493 | } |
---|
| 494 | uiAbsIdx += uiCount; |
---|
| 495 | } |
---|
| 496 | else |
---|
[622] | 497 | { |
---|
[608] | 498 | uiAbsIdx = uiCount; |
---|
[622] | 499 | } |
---|
| 500 | |
---|
| 501 | #if H_MV_ENC_DEC_TRAC |
---|
| 502 | DTRACE_CU("sdc_residual_abs_minus1[i]", uiAbsIdx) |
---|
| 503 | #endif |
---|
[608] | 504 | |
---|
| 505 | uiAbsIdx += 1; |
---|
| 506 | iIdx =(Int)(uiSign ? -1 : 1)*uiAbsIdx; |
---|
| 507 | } |
---|
| 508 | |
---|
| 509 | pcCU->setSDCSegmentDCOffset(iIdx, uiSegment, uiAbsPartIdx); |
---|
| 510 | } |
---|
| 511 | #endif |
---|
| 512 | #endif |
---|
[56] | 513 | |
---|
| 514 | /** Parse I_PCM information. |
---|
| 515 | * \param pcCU |
---|
| 516 | * \param uiAbsPartIdx |
---|
| 517 | * \param uiDepth |
---|
| 518 | * \returns Void |
---|
| 519 | * |
---|
| 520 | * If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes. |
---|
| 521 | */ |
---|
| 522 | Void TDecSbac::parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 523 | { |
---|
| 524 | UInt uiSymbol; |
---|
[56] | 525 | |
---|
| 526 | m_pcTDecBinIf->decodeBinTrm(uiSymbol); |
---|
[2] | 527 | |
---|
[608] | 528 | #if H_MV_ENC_DEC_TRAC |
---|
| 529 | DTRACE_CU("pcm_flag", uiSymbol) |
---|
| 530 | #endif |
---|
[56] | 531 | if (uiSymbol) |
---|
| 532 | { |
---|
| 533 | Bool bIpcmFlag = true; |
---|
| 534 | |
---|
| 535 | pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 536 | pcCU->setSizeSubParts ( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
[608] | 537 | pcCU->setTrIdxSubParts ( 0, uiAbsPartIdx, uiDepth ); |
---|
[56] | 538 | pcCU->setIPCMFlagSubParts ( bIpcmFlag, uiAbsPartIdx, uiDepth ); |
---|
[2] | 539 | |
---|
[56] | 540 | UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight(); |
---|
| 541 | UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx; |
---|
| 542 | UInt uiChromaOffset = uiLumaOffset>>2; |
---|
| 543 | |
---|
| 544 | Pel* piPCMSample; |
---|
| 545 | UInt uiWidth; |
---|
| 546 | UInt uiHeight; |
---|
| 547 | UInt uiSampleBits; |
---|
| 548 | UInt uiX, uiY; |
---|
| 549 | |
---|
| 550 | piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset; |
---|
| 551 | uiWidth = pcCU->getWidth(uiAbsPartIdx); |
---|
| 552 | uiHeight = pcCU->getHeight(uiAbsPartIdx); |
---|
| 553 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma(); |
---|
| 554 | |
---|
| 555 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 556 | { |
---|
| 557 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 558 | { |
---|
| 559 | UInt uiSample; |
---|
| 560 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 561 | piPCMSample[uiX] = uiSample; |
---|
| 562 | } |
---|
| 563 | piPCMSample += uiWidth; |
---|
| 564 | } |
---|
| 565 | |
---|
| 566 | piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset; |
---|
| 567 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
| 568 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
| 569 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
| 570 | |
---|
| 571 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 572 | { |
---|
| 573 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 574 | { |
---|
| 575 | UInt uiSample; |
---|
| 576 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 577 | piPCMSample[uiX] = uiSample; |
---|
| 578 | } |
---|
| 579 | piPCMSample += uiWidth; |
---|
| 580 | } |
---|
| 581 | |
---|
| 582 | piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset; |
---|
| 583 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
| 584 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
| 585 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
| 586 | |
---|
| 587 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
| 588 | { |
---|
| 589 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
| 590 | { |
---|
| 591 | UInt uiSample; |
---|
| 592 | m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample); |
---|
| 593 | piPCMSample[uiX] = uiSample; |
---|
| 594 | } |
---|
| 595 | piPCMSample += uiWidth; |
---|
| 596 | } |
---|
| 597 | |
---|
[608] | 598 | m_pcTDecBinIf->start(); |
---|
[2] | 599 | } |
---|
| 600 | } |
---|
| 601 | |
---|
[608] | 602 | Void TDecSbac::parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 603 | { |
---|
| 604 | UInt uiSymbol; |
---|
| 605 | m_pcTDecBinIf->decodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 606 | #if H_MV_ENC_DEC_TRAC |
---|
| 607 | DTRACE_CU("cu_transquant_bypass_flag", uiSymbol); |
---|
| 608 | #endif |
---|
| 609 | pcCU->setCUTransquantBypassSubParts(uiSymbol ? true : false, uiAbsPartIdx, uiDepth); |
---|
| 610 | } |
---|
| 611 | |
---|
[2] | 612 | /** parse skip flag |
---|
| 613 | * \param pcCU |
---|
| 614 | * \param uiAbsPartIdx |
---|
| 615 | * \param uiDepth |
---|
| 616 | * \returns Void |
---|
| 617 | */ |
---|
| 618 | Void TDecSbac::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 619 | { |
---|
| 620 | if( pcCU->getSlice()->isIntra() ) |
---|
| 621 | { |
---|
| 622 | return; |
---|
| 623 | } |
---|
| 624 | |
---|
| 625 | UInt uiSymbol = 0; |
---|
| 626 | UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ); |
---|
| 627 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) ); |
---|
[608] | 628 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 629 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
[2] | 630 | DTRACE_CABAC_T( "\tSkipFlag" ); |
---|
| 631 | DTRACE_CABAC_T( "\tuiCtxSkip: "); |
---|
| 632 | DTRACE_CABAC_V( uiCtxSkip ); |
---|
| 633 | DTRACE_CABAC_T( "\tuiSymbol: "); |
---|
| 634 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 635 | DTRACE_CABAC_T( "\n"); |
---|
[608] | 636 | #endif |
---|
[2] | 637 | |
---|
| 638 | if( uiSymbol ) |
---|
| 639 | { |
---|
[608] | 640 | pcCU->setSkipFlagSubParts( true, uiAbsPartIdx, uiDepth ); |
---|
| 641 | pcCU->setPredModeSubParts( MODE_INTER, uiAbsPartIdx, uiDepth ); |
---|
[2] | 642 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 643 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 644 | pcCU->setMergeFlagSubParts( true , uiAbsPartIdx, 0, uiDepth ); |
---|
| 645 | } |
---|
[608] | 646 | #if H_MV_ENC_DEC_TRAC |
---|
| 647 | DTRACE_CU("cu_skip_flag", uiSymbol); |
---|
| 648 | #endif |
---|
[2] | 649 | } |
---|
[983] | 650 | #if MTK_SINGLE_DEPTH_MODE_I0095 |
---|
| 651 | Void TDecSbac::parseSingleDepthMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 652 | { |
---|
| 653 | pcCU->setSingleDepthFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 654 | UInt uiSymbol = 0; |
---|
| 655 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSingleDepthFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 656 | if( uiSymbol ) |
---|
| 657 | { |
---|
| 658 | pcCU->setSingleDepthFlagSubParts( true, uiAbsPartIdx, uiDepth ); |
---|
| 659 | pcCU->setSkipFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 660 | pcCU->setSDCFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 661 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 662 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 663 | pcCU->setLumaIntraDirSubParts (DC_IDX, uiAbsPartIdx, uiDepth ); |
---|
| 664 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 665 | pcCU->setMergeFlagSubParts( false , uiAbsPartIdx, 0, uiDepth ); |
---|
| 666 | pcCU->setTrIdxSubParts(0, uiAbsPartIdx, uiDepth); |
---|
| 667 | pcCU->setCbfSubParts(0, 1, 1, uiAbsPartIdx, uiDepth); |
---|
[2] | 668 | |
---|
[983] | 669 | UInt absValDeltaDC = 0; |
---|
| 670 | |
---|
| 671 | UInt uiUnaryIdx = 0; |
---|
| 672 | UInt uiNumCand = MTK_SINGLE_DEPTH_MODE_CANDIDATE_LIST_SIZE; |
---|
| 673 | if ( uiNumCand > 1 ) |
---|
| 674 | { |
---|
| 675 | for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx ) |
---|
| 676 | { |
---|
| 677 | UInt uiSymbol2 = 0; |
---|
| 678 | if ( uiUnaryIdx==0 ) |
---|
| 679 | { |
---|
| 680 | m_pcTDecBinIf->decodeBin( uiSymbol2, m_cSingleDepthValueSCModel.get( 0, 0, 0 ) ); |
---|
| 681 | } |
---|
| 682 | else |
---|
| 683 | { |
---|
| 684 | m_pcTDecBinIf->decodeBinEP( uiSymbol2); |
---|
| 685 | } |
---|
| 686 | if( uiSymbol2 == 0 ) |
---|
| 687 | { |
---|
| 688 | break; |
---|
| 689 | } |
---|
| 690 | } |
---|
| 691 | } |
---|
| 692 | absValDeltaDC = uiUnaryIdx; |
---|
| 693 | pcCU->setSingleDepthValueSubParts((Pel)absValDeltaDC,uiAbsPartIdx, 0, uiDepth); |
---|
| 694 | } |
---|
| 695 | } |
---|
| 696 | |
---|
| 697 | #endif |
---|
[2] | 698 | /** parse merge flag |
---|
| 699 | * \param pcCU |
---|
| 700 | * \param uiAbsPartIdx |
---|
| 701 | * \param uiDepth |
---|
| 702 | * \param uiPUIdx |
---|
| 703 | * \returns Void |
---|
| 704 | */ |
---|
| 705 | Void TDecSbac::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) |
---|
| 706 | { |
---|
| 707 | UInt uiSymbol; |
---|
[56] | 708 | m_pcTDecBinIf->decodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) ); |
---|
[608] | 709 | #if H_MV_ENC_DEC_TRAC |
---|
| 710 | DTRACE_PU("merge_flag", uiSymbol) |
---|
| 711 | #endif |
---|
[2] | 712 | pcCU->setMergeFlagSubParts( uiSymbol ? true : false, uiAbsPartIdx, uiPUIdx, uiDepth ); |
---|
| 713 | |
---|
[608] | 714 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 715 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
[2] | 716 | DTRACE_CABAC_T( "\tMergeFlag: " ); |
---|
| 717 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 718 | DTRACE_CABAC_T( "\tAddress: " ); |
---|
| 719 | DTRACE_CABAC_V( pcCU->getAddr() ); |
---|
| 720 | DTRACE_CABAC_T( "\tuiAbsPartIdx: " ); |
---|
| 721 | DTRACE_CABAC_V( uiAbsPartIdx ); |
---|
| 722 | DTRACE_CABAC_T( "\n" ); |
---|
[608] | 723 | #endif |
---|
[2] | 724 | } |
---|
| 725 | |
---|
[608] | 726 | Void TDecSbac::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex ) |
---|
[2] | 727 | { |
---|
[56] | 728 | UInt uiUnaryIdx = 0; |
---|
[608] | 729 | UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand(); |
---|
[56] | 730 | if ( uiNumCand > 1 ) |
---|
[2] | 731 | { |
---|
[56] | 732 | for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx ) |
---|
[2] | 733 | { |
---|
[56] | 734 | UInt uiSymbol = 0; |
---|
| 735 | if ( uiUnaryIdx==0 ) |
---|
[2] | 736 | { |
---|
[56] | 737 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 738 | } |
---|
[56] | 739 | else |
---|
| 740 | { |
---|
| 741 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 742 | } |
---|
| 743 | if( uiSymbol == 0 ) |
---|
[2] | 744 | { |
---|
[56] | 745 | break; |
---|
[2] | 746 | } |
---|
| 747 | } |
---|
[608] | 748 | #if H_MV_ENC_DEC_TRAC |
---|
| 749 | DTRACE_PU("merge_idx", uiUnaryIdx) |
---|
| 750 | #endif |
---|
[2] | 751 | } |
---|
| 752 | ruiMergeIndex = uiUnaryIdx; |
---|
| 753 | |
---|
[608] | 754 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 755 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 756 | DTRACE_CABAC_T( "\tparseMergeIndex()" ) |
---|
| 757 | DTRACE_CABAC_T( "\tuiMRGIdx= " ) |
---|
| 758 | DTRACE_CABAC_V( ruiMergeIndex ) |
---|
| 759 | DTRACE_CABAC_T( "\n" ) |
---|
[2] | 760 | #endif |
---|
| 761 | } |
---|
| 762 | |
---|
[56] | 763 | Void TDecSbac::parseMVPIdx ( Int& riMVPIdx ) |
---|
| 764 | { |
---|
| 765 | UInt uiSymbol; |
---|
| 766 | xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, AMVP_MAX_NUM_CANDS-1); |
---|
| 767 | riMVPIdx = uiSymbol; |
---|
| 768 | } |
---|
[2] | 769 | |
---|
| 770 | Void TDecSbac::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 771 | { |
---|
| 772 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 773 | { |
---|
| 774 | pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx ); |
---|
| 775 | return; |
---|
| 776 | } |
---|
[608] | 777 | |
---|
[2] | 778 | UInt uiSymbol; |
---|
[608] | 779 | #if H_3D_QTLPC |
---|
[189] | 780 | Bool bParseSplitFlag = true; |
---|
| 781 | |
---|
| 782 | TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS(); |
---|
| 783 | TComPic *pcTexture = pcCU->getSlice()->getTexturePic(); |
---|
| 784 | Bool bDepthMapDetect = (pcTexture != NULL); |
---|
| 785 | Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE); |
---|
| 786 | |
---|
[608] | 787 | Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA); |
---|
| 788 | |
---|
| 789 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && sps->getUseQTL() && sps->getUsePC()) |
---|
[189] | 790 | { |
---|
| 791 | TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr()); |
---|
| 792 | assert(pcTextureCU->getDepth(uiAbsPartIdx) >= uiDepth); |
---|
| 793 | bParseSplitFlag = (pcTextureCU->getDepth(uiAbsPartIdx) > uiDepth); |
---|
| 794 | } |
---|
| 795 | |
---|
| 796 | if(bParseSplitFlag) |
---|
| 797 | { |
---|
| 798 | #endif |
---|
| 799 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) ); |
---|
[608] | 800 | #if H_MV_ENC_DEC_TRAC |
---|
| 801 | DTRACE_CU("split_cu_flag", uiSymbol); |
---|
| 802 | #else |
---|
[189] | 803 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 804 | DTRACE_CABAC_T( "\tSplitFlag\n" ) |
---|
[608] | 805 | #endif |
---|
| 806 | #if H_3D_QTLPC |
---|
[189] | 807 | } |
---|
| 808 | else |
---|
[608] | 809 | { |
---|
[189] | 810 | uiSymbol = 0; |
---|
[608] | 811 | } |
---|
[189] | 812 | #endif |
---|
[2] | 813 | pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx ); |
---|
| 814 | |
---|
| 815 | return; |
---|
| 816 | } |
---|
| 817 | |
---|
| 818 | /** parse partition size |
---|
| 819 | * \param pcCU |
---|
| 820 | * \param uiAbsPartIdx |
---|
| 821 | * \param uiDepth |
---|
| 822 | * \returns Void |
---|
| 823 | */ |
---|
| 824 | Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 825 | { |
---|
| 826 | UInt uiSymbol, uiMode = 0; |
---|
| 827 | PartSize eMode; |
---|
[189] | 828 | |
---|
[608] | 829 | #if H_3D_QTLPC |
---|
[189] | 830 | Bool bParsePartSize = true; |
---|
| 831 | TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS(); |
---|
| 832 | TComPic *pcTexture = pcCU->getSlice()->getTexturePic(); |
---|
| 833 | Bool bDepthMapDetect = (pcTexture != NULL); |
---|
| 834 | Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE); |
---|
| 835 | |
---|
[608] | 836 | Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA); |
---|
| 837 | |
---|
[833] | 838 | Bool depthDependent = false; |
---|
| 839 | UInt uiTexturePart = uiMode; |
---|
[608] | 840 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && sps->getUseQTL() && sps->getUsePC()) |
---|
[189] | 841 | { |
---|
| 842 | TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr()); |
---|
| 843 | assert(pcTextureCU->getDepth(uiAbsPartIdx) >= uiDepth); |
---|
[833] | 844 | if(pcTextureCU->getDepth(uiAbsPartIdx) == uiDepth ) |
---|
[189] | 845 | { |
---|
[833] | 846 | depthDependent = true; |
---|
| 847 | uiTexturePart = pcTextureCU->getPartitionSize( uiAbsPartIdx ); |
---|
| 848 | } |
---|
| 849 | if (pcTextureCU->getDepth(uiAbsPartIdx) == uiDepth && pcTextureCU->getPartitionSize( uiAbsPartIdx ) == SIZE_2Nx2N) |
---|
| 850 | { |
---|
[189] | 851 | bParsePartSize = false; |
---|
| 852 | eMode = SIZE_2Nx2N; |
---|
| 853 | } |
---|
| 854 | } |
---|
| 855 | #endif |
---|
[608] | 856 | |
---|
[2] | 857 | |
---|
| 858 | if ( pcCU->isIntra( uiAbsPartIdx ) ) |
---|
| 859 | { |
---|
[608] | 860 | #if H_3D_QTLPC |
---|
[189] | 861 | if(bParsePartSize) |
---|
[2] | 862 | { |
---|
[189] | 863 | #endif |
---|
[608] | 864 | uiSymbol = 1; |
---|
[189] | 865 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 866 | { |
---|
| 867 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
---|
[608] | 868 | #if H_MV_ENC_DEC_TRAC |
---|
| 869 | DTRACE_CU("part_mode", uiSymbol) |
---|
| 870 | #endif |
---|
[189] | 871 | } |
---|
| 872 | eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN; |
---|
[608] | 873 | #if H_3D_QTLPC |
---|
[2] | 874 | } |
---|
[189] | 875 | #endif |
---|
[56] | 876 | UInt uiTrLevel = 0; |
---|
| 877 | UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2; |
---|
| 878 | UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2; |
---|
| 879 | uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0; |
---|
| 880 | if( eMode == SIZE_NxN ) |
---|
| 881 | { |
---|
| 882 | pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 883 | } |
---|
| 884 | else |
---|
| 885 | { |
---|
| 886 | pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 887 | } |
---|
[2] | 888 | } |
---|
| 889 | else |
---|
| 890 | { |
---|
[608] | 891 | #if H_3D_QTLPC |
---|
[189] | 892 | if(bParsePartSize) |
---|
[2] | 893 | { |
---|
[833] | 894 | if (depthDependent==false || uiTexturePart == SIZE_NxN|| uiTexturePart == SIZE_2Nx2N) |
---|
| 895 | { |
---|
| 896 | #endif |
---|
[189] | 897 | UInt uiMaxNumBits = 2; |
---|
[608] | 898 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( (g_uiMaxCUWidth>>uiDepth) == 8 && (g_uiMaxCUHeight>>uiDepth) == 8 ) ) |
---|
[2] | 899 | { |
---|
[189] | 900 | uiMaxNumBits ++; |
---|
[2] | 901 | } |
---|
[189] | 902 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
[56] | 903 | { |
---|
[189] | 904 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) ); |
---|
| 905 | if ( uiSymbol ) |
---|
| 906 | { |
---|
| 907 | break; |
---|
| 908 | } |
---|
| 909 | uiMode++; |
---|
| 910 | } |
---|
| 911 | eMode = (PartSize) uiMode; |
---|
| 912 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
---|
| 913 | { |
---|
| 914 | if (eMode == SIZE_2NxN) |
---|
| 915 | { |
---|
[872] | 916 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 3 )); |
---|
[189] | 917 | if (uiSymbol == 0) |
---|
| 918 | { |
---|
| 919 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 920 | eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD); |
---|
| 921 | } |
---|
[56] | 922 | } |
---|
[189] | 923 | else if (eMode == SIZE_Nx2N) |
---|
| 924 | { |
---|
[872] | 925 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 3 )); |
---|
[189] | 926 | if (uiSymbol == 0) |
---|
| 927 | { |
---|
| 928 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 929 | eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N); |
---|
| 930 | } |
---|
[2] | 931 | } |
---|
| 932 | } |
---|
[884] | 933 | #if H_3D_QTLPC |
---|
[833] | 934 | } |
---|
| 935 | else if(uiTexturePart == SIZE_2NxN || uiTexturePart == SIZE_2NxnU || uiTexturePart == SIZE_2NxnD) |
---|
| 936 | { |
---|
| 937 | UInt uiMaxNumBits = 1; |
---|
| 938 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
---|
| 939 | { |
---|
| 940 | uiMaxNumBits ++; |
---|
| 941 | } |
---|
| 942 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
| 943 | { |
---|
| 944 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) ); |
---|
| 945 | if ( uiSymbol ) |
---|
| 946 | { |
---|
| 947 | break; |
---|
| 948 | } |
---|
| 949 | uiMode++; |
---|
| 950 | } |
---|
| 951 | eMode = (PartSize) uiMode; |
---|
| 952 | if(uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) && uiSymbol==1 ) |
---|
| 953 | { |
---|
| 954 | eMode = SIZE_2NxN; |
---|
| 955 | } |
---|
| 956 | else if (uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth )==0 && uiSymbol==0) |
---|
| 957 | { |
---|
| 958 | eMode = SIZE_2NxN; |
---|
| 959 | } |
---|
| 960 | else if (uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) && uiSymbol==0) |
---|
| 961 | { |
---|
| 962 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 963 | eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD); |
---|
| 964 | } |
---|
| 965 | } |
---|
| 966 | else if(uiTexturePart == SIZE_Nx2N|| uiTexturePart==SIZE_nLx2N || uiTexturePart==SIZE_nRx2N) |
---|
| 967 | { |
---|
| 968 | UInt uiMaxNumBits = 1; |
---|
| 969 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
---|
| 970 | { |
---|
| 971 | uiMaxNumBits ++; |
---|
| 972 | } |
---|
| 973 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
| 974 | { |
---|
| 975 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) ); |
---|
| 976 | if ( uiSymbol ) |
---|
| 977 | { |
---|
| 978 | break; |
---|
| 979 | } |
---|
| 980 | uiMode++; |
---|
| 981 | } |
---|
| 982 | eMode = (PartSize) uiMode; |
---|
| 983 | if(uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) && uiSymbol==1 ) |
---|
| 984 | { |
---|
| 985 | eMode = SIZE_Nx2N; |
---|
| 986 | } |
---|
| 987 | else if (uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth )==0 && uiSymbol==0) |
---|
| 988 | { |
---|
| 989 | eMode = SIZE_Nx2N; |
---|
| 990 | } |
---|
| 991 | else if (uiMode && pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) && uiSymbol==0) |
---|
| 992 | { |
---|
| 993 | m_pcTDecBinIf->decodeBinEP(uiSymbol); |
---|
| 994 | eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N); |
---|
| 995 | } |
---|
| 996 | } |
---|
| 997 | else |
---|
[884] | 998 | { |
---|
[833] | 999 | assert(0); |
---|
[884] | 1000 | } |
---|
[964] | 1001 | #endif |
---|
[608] | 1002 | #if H_MV_ENC_DEC_TRAC |
---|
| 1003 | DTRACE_CU("part_mode", eMode ) |
---|
| 1004 | #endif |
---|
[964] | 1005 | #if H_3D_QTLPC |
---|
[2] | 1006 | } |
---|
[189] | 1007 | #endif |
---|
[2] | 1008 | } |
---|
| 1009 | pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth ); |
---|
| 1010 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 1011 | } |
---|
| 1012 | |
---|
| 1013 | /** parse prediction mode |
---|
| 1014 | * \param pcCU |
---|
| 1015 | * \param uiAbsPartIdx |
---|
| 1016 | * \param uiDepth |
---|
| 1017 | * \returns Void |
---|
| 1018 | */ |
---|
| 1019 | Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1020 | { |
---|
| 1021 | if( pcCU->getSlice()->isIntra() ) |
---|
| 1022 | { |
---|
| 1023 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 1024 | return; |
---|
| 1025 | } |
---|
| 1026 | |
---|
| 1027 | UInt uiSymbol; |
---|
| 1028 | Int iPredMode = MODE_INTER; |
---|
[56] | 1029 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 0 ) ); |
---|
[2] | 1030 | iPredMode += uiSymbol; |
---|
[608] | 1031 | #if H_MV_ENC_DEC_TRAC |
---|
| 1032 | DTRACE_CU("pred_mode_flag", uiSymbol) |
---|
| 1033 | #endif |
---|
[2] | 1034 | pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 1035 | } |
---|
[608] | 1036 | |
---|
| 1037 | Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
[443] | 1038 | { |
---|
[608] | 1039 | PartSize mode = pcCU->getPartitionSize( absPartIdx ); |
---|
| 1040 | UInt partNum = mode==SIZE_NxN?4:1; |
---|
| 1041 | UInt partOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2; |
---|
| 1042 | UInt mpmPred[4],symbol; |
---|
| 1043 | Int j,intraPredMode; |
---|
| 1044 | if (mode==SIZE_NxN) |
---|
[443] | 1045 | { |
---|
[608] | 1046 | depth++; |
---|
[443] | 1047 | } |
---|
[608] | 1048 | for (j=0;j<partNum;j++) |
---|
[443] | 1049 | { |
---|
[608] | 1050 | #if H_3D_DIM |
---|
| 1051 | if( pcCU->getSlice()->getVpsDepthModesFlag() ) |
---|
[443] | 1052 | { |
---|
[608] | 1053 | parseIntraDepth( pcCU, absPartIdx+partOffset*j, depth ); |
---|
[443] | 1054 | } |
---|
[608] | 1055 | if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE ) |
---|
| 1056 | { |
---|
| 1057 | #endif |
---|
| 1058 | m_pcTDecBinIf->decodeBin( symbol, m_cCUIntraPredSCModel.get( 0, 0, 0) ); |
---|
| 1059 | mpmPred[j] = symbol; |
---|
| 1060 | #if H_MV_ENC_DEC_TRAC |
---|
| 1061 | DTRACE_CU("prev_intra_luma_pred_flag", symbol) |
---|
| 1062 | #endif |
---|
| 1063 | #if H_3D_DIM |
---|
| 1064 | } |
---|
| 1065 | #endif |
---|
[443] | 1066 | } |
---|
[608] | 1067 | for (j=0;j<partNum;j++) |
---|
[443] | 1068 | { |
---|
[608] | 1069 | #if H_3D_DIM |
---|
| 1070 | if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE ) |
---|
[443] | 1071 | { |
---|
[608] | 1072 | #endif |
---|
| 1073 | Int preds[3] = {-1, -1, -1}; |
---|
| 1074 | Int predNum = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds); |
---|
| 1075 | if (mpmPred[j]) |
---|
| 1076 | { |
---|
| 1077 | m_pcTDecBinIf->decodeBinEP( symbol ); |
---|
| 1078 | if (symbol) |
---|
| 1079 | { |
---|
| 1080 | m_pcTDecBinIf->decodeBinEP( symbol ); |
---|
| 1081 | symbol++; |
---|
[443] | 1082 | } |
---|
[608] | 1083 | #if H_MV_ENC_DEC_TRAC |
---|
| 1084 | DTRACE_CU("mpm_idx", symbol) |
---|
| 1085 | #endif |
---|
| 1086 | intraPredMode = preds[symbol]; |
---|
[443] | 1087 | } |
---|
| 1088 | else |
---|
| 1089 | { |
---|
[608] | 1090 | m_pcTDecBinIf->decodeBinsEP( symbol, 5 ); |
---|
| 1091 | intraPredMode = symbol; |
---|
| 1092 | #if H_MV_ENC_DEC_TRAC |
---|
| 1093 | DTRACE_CU("rem_intra_luma_pred_mode", symbol) |
---|
| 1094 | #endif |
---|
| 1095 | //postponed sorting of MPMs (only in remaining branch) |
---|
| 1096 | if (preds[0] > preds[1]) |
---|
[443] | 1097 | { |
---|
[608] | 1098 | std::swap(preds[0], preds[1]); |
---|
[443] | 1099 | } |
---|
[608] | 1100 | if (preds[0] > preds[2]) |
---|
[443] | 1101 | { |
---|
[608] | 1102 | std::swap(preds[0], preds[2]); |
---|
[443] | 1103 | } |
---|
[608] | 1104 | if (preds[1] > preds[2]) |
---|
| 1105 | { |
---|
| 1106 | std::swap(preds[1], preds[2]); |
---|
| 1107 | } |
---|
| 1108 | for ( Int i = 0; i < predNum; i++ ) |
---|
| 1109 | { |
---|
| 1110 | intraPredMode += ( intraPredMode >= preds[i] ); |
---|
| 1111 | } |
---|
[443] | 1112 | } |
---|
[608] | 1113 | pcCU->setLumaIntraDirSubParts( (UChar)intraPredMode, absPartIdx+partOffset*j, depth ); |
---|
| 1114 | #if H_3D_DIM |
---|
| 1115 | } |
---|
| 1116 | #endif |
---|
[443] | 1117 | } |
---|
| 1118 | } |
---|
[608] | 1119 | |
---|
| 1120 | Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[443] | 1121 | { |
---|
[608] | 1122 | UInt uiSymbol; |
---|
| 1123 | |
---|
| 1124 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 0 ) ); |
---|
| 1125 | |
---|
| 1126 | if( uiSymbol == 0 ) |
---|
[443] | 1127 | { |
---|
[608] | 1128 | #if H_MV_ENC_DEC_TRAC |
---|
| 1129 | DTRACE_CU("intra_chroma_pred_mode", uiSymbol ) |
---|
| 1130 | #endif |
---|
| 1131 | uiSymbol = DM_CHROMA_IDX; |
---|
[443] | 1132 | } |
---|
[608] | 1133 | else |
---|
[443] | 1134 | { |
---|
[608] | 1135 | { |
---|
| 1136 | UInt uiIPredMode; |
---|
| 1137 | m_pcTDecBinIf->decodeBinsEP( uiIPredMode, 2 ); |
---|
| 1138 | #if H_MV_ENC_DEC_TRAC |
---|
| 1139 | DTRACE_CU("intra_chroma_pred_mode", uiIPredMode ) |
---|
| 1140 | #endif |
---|
| 1141 | UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ]; |
---|
| 1142 | pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir ); |
---|
| 1143 | uiSymbol = uiAllowedChromaDir[ uiIPredMode ]; |
---|
| 1144 | } |
---|
[443] | 1145 | } |
---|
[608] | 1146 | pcCU->setChromIntraDirSubParts( uiSymbol, uiAbsPartIdx, uiDepth ); |
---|
| 1147 | return; |
---|
| 1148 | } |
---|
| 1149 | |
---|
| 1150 | #if H_3D_DIM |
---|
| 1151 | Void TDecSbac::parseIntraDepth( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
| 1152 | { |
---|
| 1153 | parseIntraDepthMode( pcCU, absPartIdx, depth ); |
---|
| 1154 | |
---|
| 1155 | UInt dir = pcCU->getLumaIntraDir( absPartIdx ); |
---|
| 1156 | UInt dimType = getDimType( dir ); |
---|
| 1157 | |
---|
| 1158 | switch( dimType ) |
---|
[443] | 1159 | { |
---|
[608] | 1160 | #if H_3D_DIM_DMM |
---|
| 1161 | case( DMM1_IDX ): |
---|
[443] | 1162 | { |
---|
[608] | 1163 | UInt uiTabIdx = 0; |
---|
| 1164 | xParseDmm1WedgeIdx( uiTabIdx, g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] ); |
---|
| 1165 | pcCU->setDmmWedgeTabIdxSubParts( uiTabIdx, dimType, absPartIdx, depth ); |
---|
| 1166 | } break; |
---|
| 1167 | case( DMM4_IDX ): break; |
---|
| 1168 | #endif |
---|
| 1169 | default: break; |
---|
| 1170 | } |
---|
[443] | 1171 | |
---|
[608] | 1172 | pcCU->setLumaIntraDirSubParts( (UChar)dir, absPartIdx, depth ); |
---|
| 1173 | } |
---|
[443] | 1174 | |
---|
[608] | 1175 | Void TDecSbac::parseIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
[2] | 1176 | { |
---|
[833] | 1177 | UInt uiSymbol, uiIsDimMode; |
---|
| 1178 | |
---|
| 1179 | if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed |
---|
| 1180 | { |
---|
[950] | 1181 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cAngleFlagSCModel.get( 0, 0, 0 ) ); |
---|
[833] | 1182 | } |
---|
| 1183 | else |
---|
| 1184 | { |
---|
| 1185 | uiSymbol = 1; |
---|
| 1186 | } |
---|
| 1187 | uiIsDimMode = uiSymbol ? 0 : 1; |
---|
| 1188 | pcCU->setLumaIntraDirSubParts( 0, absPartIdx, depth ); |
---|
| 1189 | |
---|
| 1190 | //decode DMM index |
---|
| 1191 | if( uiIsDimMode ) |
---|
| 1192 | { |
---|
| 1193 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDepthIntraModeSCModel.get( 0, 0, 0 ) ); |
---|
| 1194 | if( !uiSymbol ) |
---|
| 1195 | { |
---|
[994] | 1196 | #if HS_DMM_SIGNALLING_I0120 |
---|
| 1197 | pcCU->setLumaIntraDirSubParts( DIM_OFFSET, absPartIdx, depth ); |
---|
| 1198 | #else |
---|
[833] | 1199 | pcCU->setLumaIntraDirSubParts( ( 2 * DMM1_IDX + DIM_OFFSET ), absPartIdx, depth ); |
---|
[994] | 1200 | #endif |
---|
[833] | 1201 | } |
---|
| 1202 | else |
---|
| 1203 | { |
---|
[994] | 1204 | #if HS_DMM_SIGNALLING_I0120 |
---|
| 1205 | pcCU->setLumaIntraDirSubParts( ( 1+ DIM_OFFSET ), absPartIdx, depth ); |
---|
| 1206 | #else |
---|
[833] | 1207 | pcCU->setLumaIntraDirSubParts( ( 2 * DMM4_IDX + DIM_OFFSET ), absPartIdx, depth ); |
---|
[994] | 1208 | #endif |
---|
[833] | 1209 | } |
---|
| 1210 | } |
---|
| 1211 | } |
---|
[2] | 1212 | #endif |
---|
| 1213 | |
---|
[608] | 1214 | Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx ) |
---|
[2] | 1215 | { |
---|
| 1216 | UInt uiSymbol; |
---|
[608] | 1217 | const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx ); |
---|
| 1218 | ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 ); |
---|
| 1219 | uiSymbol = 0; |
---|
| 1220 | if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N || pcCU->getHeight(uiAbsPartIdx) != 8 ) |
---|
[2] | 1221 | { |
---|
[608] | 1222 | m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + uiCtx ) ); |
---|
[2] | 1223 | } |
---|
| 1224 | |
---|
[56] | 1225 | if( uiSymbol ) |
---|
[2] | 1226 | { |
---|
| 1227 | uiSymbol = 2; |
---|
| 1228 | } |
---|
[608] | 1229 | else |
---|
| 1230 | { |
---|
| 1231 | m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + 4 ) ); |
---|
| 1232 | assert(uiSymbol == 0 || uiSymbol == 1); |
---|
| 1233 | } |
---|
[56] | 1234 | |
---|
[2] | 1235 | uiSymbol++; |
---|
| 1236 | ruiInterDir = uiSymbol; |
---|
[608] | 1237 | #if H_MV_ENC_DEC_TRAC |
---|
| 1238 | DTRACE_PU("inter_pred_idc", ruiInterDir - 1 ) |
---|
| 1239 | #endif |
---|
| 1240 | |
---|
[2] | 1241 | return; |
---|
| 1242 | } |
---|
| 1243 | |
---|
[608] | 1244 | Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList ) |
---|
[2] | 1245 | { |
---|
| 1246 | UInt uiSymbol; |
---|
| 1247 | { |
---|
[56] | 1248 | ContextModel *pCtx = m_cCURefPicSCModel.get( 0 ); |
---|
| 1249 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
[2] | 1250 | |
---|
[56] | 1251 | if( uiSymbol ) |
---|
[2] | 1252 | { |
---|
[608] | 1253 | UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2; |
---|
| 1254 | pCtx++; |
---|
| 1255 | UInt ui; |
---|
| 1256 | for( ui = 0; ui < uiRefNum; ++ui ) |
---|
| 1257 | { |
---|
| 1258 | if( ui == 0 ) |
---|
| 1259 | { |
---|
| 1260 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
| 1261 | } |
---|
| 1262 | else |
---|
| 1263 | { |
---|
| 1264 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
| 1265 | } |
---|
| 1266 | if( uiSymbol == 0 ) |
---|
| 1267 | { |
---|
| 1268 | break; |
---|
| 1269 | } |
---|
| 1270 | } |
---|
| 1271 | uiSymbol = ui + 1; |
---|
[2] | 1272 | } |
---|
| 1273 | riRefFrmIdx = uiSymbol; |
---|
| 1274 | } |
---|
[608] | 1275 | |
---|
| 1276 | #if H_MV_ENC_DEC_TRAC |
---|
| 1277 | #if ENC_DEC_TRACE |
---|
| 1278 | if ( eRefList == REF_PIC_LIST_0 ) |
---|
| 1279 | { |
---|
| 1280 | DTRACE_PU("ref_idx_l0", uiSymbol) |
---|
| 1281 | } |
---|
[2] | 1282 | else |
---|
| 1283 | { |
---|
[608] | 1284 | DTRACE_PU("ref_idx_l1", uiSymbol) |
---|
[2] | 1285 | } |
---|
[608] | 1286 | #endif |
---|
| 1287 | #endif |
---|
[2] | 1288 | return; |
---|
| 1289 | } |
---|
| 1290 | |
---|
[56] | 1291 | Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
[2] | 1292 | { |
---|
| 1293 | UInt uiSymbol; |
---|
[56] | 1294 | UInt uiHorAbs; |
---|
| 1295 | UInt uiVerAbs; |
---|
| 1296 | UInt uiHorSign = 0; |
---|
| 1297 | UInt uiVerSign = 0; |
---|
| 1298 | ContextModel *pCtx = m_cCUMvdSCModel.get( 0 ); |
---|
[2] | 1299 | |
---|
[56] | 1300 | if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3) |
---|
| 1301 | { |
---|
| 1302 | uiHorAbs=0; |
---|
| 1303 | uiVerAbs=0; |
---|
| 1304 | } |
---|
| 1305 | else |
---|
| 1306 | { |
---|
| 1307 | m_pcTDecBinIf->decodeBin( uiHorAbs, *pCtx ); |
---|
| 1308 | m_pcTDecBinIf->decodeBin( uiVerAbs, *pCtx ); |
---|
[2] | 1309 | |
---|
[56] | 1310 | const Bool bHorAbsGr0 = uiHorAbs != 0; |
---|
| 1311 | const Bool bVerAbsGr0 = uiVerAbs != 0; |
---|
| 1312 | pCtx++; |
---|
| 1313 | |
---|
| 1314 | if( bHorAbsGr0 ) |
---|
| 1315 | { |
---|
| 1316 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
| 1317 | uiHorAbs += uiSymbol; |
---|
| 1318 | } |
---|
| 1319 | |
---|
| 1320 | if( bVerAbsGr0 ) |
---|
| 1321 | { |
---|
| 1322 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx ); |
---|
| 1323 | uiVerAbs += uiSymbol; |
---|
| 1324 | } |
---|
| 1325 | |
---|
| 1326 | if( bHorAbsGr0 ) |
---|
| 1327 | { |
---|
| 1328 | if( 2 == uiHorAbs ) |
---|
| 1329 | { |
---|
| 1330 | xReadEpExGolomb( uiSymbol, 1 ); |
---|
| 1331 | uiHorAbs += uiSymbol; |
---|
| 1332 | } |
---|
| 1333 | |
---|
| 1334 | m_pcTDecBinIf->decodeBinEP( uiHorSign ); |
---|
| 1335 | } |
---|
| 1336 | |
---|
| 1337 | if( bVerAbsGr0 ) |
---|
| 1338 | { |
---|
| 1339 | if( 2 == uiVerAbs ) |
---|
| 1340 | { |
---|
| 1341 | xReadEpExGolomb( uiSymbol, 1 ); |
---|
| 1342 | uiVerAbs += uiSymbol; |
---|
| 1343 | } |
---|
| 1344 | |
---|
| 1345 | m_pcTDecBinIf->decodeBinEP( uiVerSign ); |
---|
| 1346 | } |
---|
| 1347 | |
---|
| 1348 | } |
---|
[2] | 1349 | |
---|
[56] | 1350 | const TComMv cMv( uiHorSign ? -Int( uiHorAbs ): uiHorAbs, uiVerSign ? -Int( uiVerAbs ) : uiVerAbs ); |
---|
| 1351 | pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiDepth, uiPartIdx ); |
---|
[2] | 1352 | return; |
---|
| 1353 | } |
---|
| 1354 | |
---|
| 1355 | |
---|
| 1356 | Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) |
---|
| 1357 | { |
---|
| 1358 | m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) ); |
---|
[608] | 1359 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1360 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1361 | DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" ) |
---|
| 1362 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1363 | DTRACE_CABAC_V( ruiSubdivFlag ) |
---|
| 1364 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1365 | DTRACE_CABAC_V( uiLog2TransformBlockSize ) |
---|
| 1366 | DTRACE_CABAC_T( "\n" ) |
---|
[608] | 1367 | #endif |
---|
[2] | 1368 | } |
---|
| 1369 | |
---|
[608] | 1370 | Void TDecSbac::parseQtRootCbf( UInt uiAbsPartIdx, UInt& uiQtRootCbf ) |
---|
[2] | 1371 | { |
---|
| 1372 | UInt uiSymbol; |
---|
[56] | 1373 | const UInt uiCtx = 0; |
---|
[2] | 1374 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) ); |
---|
[608] | 1375 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1376 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1377 | DTRACE_CABAC_T( "\tparseQtRootCbf()" ) |
---|
| 1378 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1379 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1380 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1381 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1382 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1383 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1384 | DTRACE_CABAC_T( "\n" ) |
---|
[608] | 1385 | #else |
---|
| 1386 | DTRACE_CU( "rqt_root_cbf", uiSymbol ) |
---|
| 1387 | #endif |
---|
[2] | 1388 | |
---|
| 1389 | uiQtRootCbf = uiSymbol; |
---|
| 1390 | } |
---|
| 1391 | |
---|
| 1392 | Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1393 | { |
---|
[56] | 1394 | Int qp; |
---|
[2] | 1395 | UInt uiDQp; |
---|
| 1396 | Int iDQp; |
---|
| 1397 | |
---|
[608] | 1398 | UInt uiSymbol; |
---|
| 1399 | |
---|
| 1400 | xReadUnaryMaxSymbol (uiDQp, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX); |
---|
| 1401 | |
---|
| 1402 | if( uiDQp >= CU_DQP_TU_CMAX) |
---|
[2] | 1403 | { |
---|
[608] | 1404 | xReadEpExGolomb( uiSymbol, CU_DQP_EG_k ); |
---|
| 1405 | uiDQp+=uiSymbol; |
---|
[2] | 1406 | } |
---|
[608] | 1407 | |
---|
| 1408 | if ( uiDQp > 0 ) |
---|
[2] | 1409 | { |
---|
[56] | 1410 | UInt uiSign; |
---|
| 1411 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); |
---|
| 1412 | m_pcTDecBinIf->decodeBinEP(uiSign); |
---|
[608] | 1413 | iDQp = uiDQp; |
---|
[56] | 1414 | if(uiSign) |
---|
[2] | 1415 | { |
---|
| 1416 | iDQp = -iDQp; |
---|
| 1417 | } |
---|
[56] | 1418 | qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+qpBdOffsetY)) - qpBdOffsetY; |
---|
[2] | 1419 | } |
---|
[608] | 1420 | else |
---|
| 1421 | { |
---|
| 1422 | qp = pcCU->getRefQP(uiAbsPartIdx); |
---|
| 1423 | } |
---|
| 1424 | pcCU->setQPSubParts(qp, uiAbsPartIdx, uiDepth); |
---|
| 1425 | pcCU->setCodedQP(qp); |
---|
[2] | 1426 | } |
---|
| 1427 | |
---|
| 1428 | Void TDecSbac::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) |
---|
| 1429 | { |
---|
| 1430 | UInt uiSymbol; |
---|
[608] | 1431 | const UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth ); |
---|
[56] | 1432 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA: eType, uiCtx ) ); |
---|
[608] | 1433 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1434 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1435 | DTRACE_CABAC_T( "\tparseQtCbf()" ) |
---|
| 1436 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1437 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1438 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1439 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1440 | DTRACE_CABAC_T( "\tetype=" ) |
---|
| 1441 | DTRACE_CABAC_V( eType ) |
---|
| 1442 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1443 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1444 | DTRACE_CABAC_T( "\n" ) |
---|
[608] | 1445 | #endif |
---|
[2] | 1446 | |
---|
| 1447 | pcCU->setCbfSubParts( uiSymbol << uiTrDepth, eType, uiAbsPartIdx, uiDepth ); |
---|
| 1448 | } |
---|
| 1449 | |
---|
[608] | 1450 | void TDecSbac::parseTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, UInt uiDepth, TextType eTType) |
---|
| 1451 | { |
---|
| 1452 | if (pcCU->getCUTransquantBypass(uiAbsPartIdx)) |
---|
| 1453 | { |
---|
| 1454 | return; |
---|
| 1455 | } |
---|
| 1456 | if(width != 4 || height != 4) |
---|
| 1457 | { |
---|
| 1458 | return; |
---|
| 1459 | } |
---|
| 1460 | |
---|
| 1461 | UInt useTransformSkip; |
---|
| 1462 | m_pcTDecBinIf->decodeBin( useTransformSkip , m_cTransformSkipSCModel.get( 0, eTType? TEXT_CHROMA: TEXT_LUMA, 0 ) ); |
---|
| 1463 | if(eTType!= TEXT_LUMA) |
---|
| 1464 | { |
---|
| 1465 | const UInt uiLog2TrafoSize = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxCUWidth()] + 2 - uiDepth; |
---|
| 1466 | if(uiLog2TrafoSize == 2) |
---|
| 1467 | { |
---|
| 1468 | uiDepth --; |
---|
| 1469 | } |
---|
| 1470 | } |
---|
| 1471 | #if !H_MV_ENC_DEC_TRAC |
---|
| 1472 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 1473 | DTRACE_CABAC_T("\tparseTransformSkip()"); |
---|
| 1474 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1475 | DTRACE_CABAC_V( useTransformSkip ) |
---|
| 1476 | DTRACE_CABAC_T( "\tAddr=" ) |
---|
| 1477 | DTRACE_CABAC_V( pcCU->getAddr() ) |
---|
| 1478 | DTRACE_CABAC_T( "\tetype=" ) |
---|
| 1479 | DTRACE_CABAC_V( eTType ) |
---|
| 1480 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1481 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1482 | DTRACE_CABAC_T( "\n" ) |
---|
| 1483 | #endif |
---|
| 1484 | |
---|
| 1485 | pcCU->setTransformSkipSubParts( useTransformSkip, eTType, uiAbsPartIdx, uiDepth); |
---|
| 1486 | } |
---|
| 1487 | |
---|
[2] | 1488 | /** Parse (X,Y) position of the last significant coefficient |
---|
| 1489 | * \param uiPosLastX reference to X component of last coefficient |
---|
| 1490 | * \param uiPosLastY reference to Y component of last coefficient |
---|
[56] | 1491 | * \param width Block width |
---|
| 1492 | * \param height Block height |
---|
[2] | 1493 | * \param eTType plane type / luminance or chrominance |
---|
| 1494 | * \param uiScanIdx scan type (zig-zag, hor, ver) |
---|
[56] | 1495 | * |
---|
[2] | 1496 | * This method decodes the X and Y component within a block of the last significant coefficient. |
---|
| 1497 | */ |
---|
[56] | 1498 | Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx ) |
---|
[2] | 1499 | { |
---|
| 1500 | UInt uiLast; |
---|
[56] | 1501 | ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType ); |
---|
| 1502 | ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType ); |
---|
[2] | 1503 | |
---|
[608] | 1504 | Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY; |
---|
| 1505 | blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2)); |
---|
| 1506 | blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2)); |
---|
| 1507 | shiftX= eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2); |
---|
| 1508 | shiftY= eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2); |
---|
[56] | 1509 | // posX |
---|
| 1510 | for( uiPosLastX = 0; uiPosLastX < g_uiGroupIdx[ width - 1 ]; uiPosLastX++ ) |
---|
[2] | 1511 | { |
---|
[608] | 1512 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + blkSizeOffsetX + (uiPosLastX >>shiftX) ) ); |
---|
[56] | 1513 | if( !uiLast ) |
---|
| 1514 | { |
---|
[2] | 1515 | break; |
---|
| 1516 | } |
---|
| 1517 | } |
---|
| 1518 | |
---|
[56] | 1519 | // posY |
---|
| 1520 | for( uiPosLastY = 0; uiPosLastY < g_uiGroupIdx[ height - 1 ]; uiPosLastY++ ) |
---|
[2] | 1521 | { |
---|
[608] | 1522 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + blkSizeOffsetY + (uiPosLastY >>shiftY)) ); |
---|
[56] | 1523 | if( !uiLast ) |
---|
| 1524 | { |
---|
[2] | 1525 | break; |
---|
| 1526 | } |
---|
| 1527 | } |
---|
[56] | 1528 | if ( uiPosLastX > 3 ) |
---|
| 1529 | { |
---|
| 1530 | UInt uiTemp = 0; |
---|
| 1531 | UInt uiCount = ( uiPosLastX - 2 ) >> 1; |
---|
| 1532 | for ( Int i = uiCount - 1; i >= 0; i-- ) |
---|
| 1533 | { |
---|
| 1534 | m_pcTDecBinIf->decodeBinEP( uiLast ); |
---|
| 1535 | uiTemp += uiLast << i; |
---|
| 1536 | } |
---|
| 1537 | uiPosLastX = g_uiMinInGroup[ uiPosLastX ] + uiTemp; |
---|
| 1538 | } |
---|
| 1539 | if ( uiPosLastY > 3 ) |
---|
| 1540 | { |
---|
| 1541 | UInt uiTemp = 0; |
---|
| 1542 | UInt uiCount = ( uiPosLastY - 2 ) >> 1; |
---|
| 1543 | for ( Int i = uiCount - 1; i >= 0; i-- ) |
---|
| 1544 | { |
---|
| 1545 | m_pcTDecBinIf->decodeBinEP( uiLast ); |
---|
| 1546 | uiTemp += uiLast << i; |
---|
| 1547 | } |
---|
| 1548 | uiPosLastY = g_uiMinInGroup[ uiPosLastY ] + uiTemp; |
---|
| 1549 | } |
---|
| 1550 | |
---|
[2] | 1551 | if( uiScanIdx == SCAN_VER ) |
---|
| 1552 | { |
---|
| 1553 | swap( uiPosLastX, uiPosLastY ); |
---|
| 1554 | } |
---|
| 1555 | } |
---|
| 1556 | |
---|
| 1557 | Void TDecSbac::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) |
---|
| 1558 | { |
---|
[608] | 1559 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1560 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1561 | DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" ) |
---|
| 1562 | DTRACE_CABAC_V( eTType ) |
---|
| 1563 | DTRACE_CABAC_T( "\twidth=" ) |
---|
| 1564 | DTRACE_CABAC_V( uiWidth ) |
---|
| 1565 | DTRACE_CABAC_T( "\theight=" ) |
---|
| 1566 | DTRACE_CABAC_V( uiHeight ) |
---|
| 1567 | DTRACE_CABAC_T( "\tdepth=" ) |
---|
| 1568 | DTRACE_CABAC_V( uiDepth ) |
---|
| 1569 | DTRACE_CABAC_T( "\tabspartidx=" ) |
---|
| 1570 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1571 | DTRACE_CABAC_T( "\ttoCU-X=" ) |
---|
| 1572 | DTRACE_CABAC_V( pcCU->getCUPelX() ) |
---|
| 1573 | DTRACE_CABAC_T( "\ttoCU-Y=" ) |
---|
| 1574 | DTRACE_CABAC_V( pcCU->getCUPelY() ) |
---|
| 1575 | DTRACE_CABAC_T( "\tCU-addr=" ) |
---|
| 1576 | DTRACE_CABAC_V( pcCU->getAddr() ) |
---|
| 1577 | DTRACE_CABAC_T( "\tinCU-X=" ) |
---|
| 1578 | DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1579 | DTRACE_CABAC_T( "\tinCU-Y=" ) |
---|
| 1580 | DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1581 | DTRACE_CABAC_T( "\tpredmode=" ) |
---|
| 1582 | DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) ) |
---|
| 1583 | DTRACE_CABAC_T( "\n" ) |
---|
[608] | 1584 | #endif |
---|
[2] | 1585 | |
---|
| 1586 | if( uiWidth > pcCU->getSlice()->getSPS()->getMaxTrSize() ) |
---|
| 1587 | { |
---|
| 1588 | uiWidth = pcCU->getSlice()->getSPS()->getMaxTrSize(); |
---|
| 1589 | uiHeight = pcCU->getSlice()->getSPS()->getMaxTrSize(); |
---|
| 1590 | } |
---|
[608] | 1591 | if(pcCU->getSlice()->getPPS()->getUseTransformSkip()) |
---|
| 1592 | { |
---|
| 1593 | parseTransformSkipFlags( pcCU, uiAbsPartIdx, uiWidth, uiHeight, uiDepth, eTType); |
---|
| 1594 | } |
---|
| 1595 | |
---|
[2] | 1596 | eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA ); |
---|
| 1597 | |
---|
| 1598 | //----- parse significance map ----- |
---|
| 1599 | const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2; |
---|
[56] | 1600 | const UInt uiMaxNumCoeff = uiWidth * uiHeight; |
---|
[2] | 1601 | const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1; |
---|
[56] | 1602 | UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx)); |
---|
[2] | 1603 | |
---|
[56] | 1604 | //===== decode last significant ===== |
---|
| 1605 | UInt uiPosLastX, uiPosLastY; |
---|
| 1606 | parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, uiHeight, eTType, uiScanIdx ); |
---|
| 1607 | UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockSize); |
---|
| 1608 | pcCoef[ uiBlkPosLast ] = 1; |
---|
[2] | 1609 | |
---|
[56] | 1610 | //===== decode significance flags ===== |
---|
[608] | 1611 | UInt uiScanPosLast; |
---|
| 1612 | const UInt *scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize-1 ]; |
---|
[56] | 1613 | for( uiScanPosLast = 0; uiScanPosLast < uiMaxNumCoeffM1; uiScanPosLast++ ) |
---|
| 1614 | { |
---|
| 1615 | UInt uiBlkPos = scan[ uiScanPosLast ]; |
---|
| 1616 | if( uiBlkPosLast == uiBlkPos ) |
---|
[2] | 1617 | { |
---|
[56] | 1618 | break; |
---|
[2] | 1619 | } |
---|
[56] | 1620 | } |
---|
[2] | 1621 | |
---|
[56] | 1622 | ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType ); |
---|
| 1623 | ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA; |
---|
| 1624 | |
---|
| 1625 | const Int iLastScanSet = uiScanPosLast >> LOG2_SCAN_SET_SIZE; |
---|
[608] | 1626 | UInt c1 = 1; |
---|
[56] | 1627 | UInt uiGoRiceParam = 0; |
---|
| 1628 | |
---|
| 1629 | Bool beValid; |
---|
[608] | 1630 | if (pcCU->getCUTransquantBypass(uiAbsPartIdx)) |
---|
[2] | 1631 | { |
---|
[56] | 1632 | beValid = false; |
---|
| 1633 | } |
---|
| 1634 | else |
---|
| 1635 | { |
---|
| 1636 | beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0; |
---|
| 1637 | } |
---|
| 1638 | UInt absSum = 0; |
---|
| 1639 | |
---|
| 1640 | UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ]; |
---|
| 1641 | ::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM ); |
---|
| 1642 | const UInt uiNumBlkSide = uiWidth >> (MLS_CG_SIZE >> 1); |
---|
| 1643 | const UInt * scanCG; |
---|
| 1644 | { |
---|
| 1645 | scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ]; |
---|
| 1646 | if( uiLog2BlockSize == 3 ) |
---|
[2] | 1647 | { |
---|
[56] | 1648 | scanCG = g_sigLastScan8x8[ uiScanIdx ]; |
---|
[2] | 1649 | } |
---|
[56] | 1650 | else if( uiLog2BlockSize == 5 ) |
---|
| 1651 | { |
---|
| 1652 | scanCG = g_sigLastScanCG32x32; |
---|
| 1653 | } |
---|
[2] | 1654 | } |
---|
[56] | 1655 | Int iScanPosSig = (Int) uiScanPosLast; |
---|
| 1656 | for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- ) |
---|
| 1657 | { |
---|
| 1658 | Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE; |
---|
| 1659 | uiGoRiceParam = 0; |
---|
| 1660 | Int numNonZero = 0; |
---|
| 1661 | |
---|
| 1662 | Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE; |
---|
| 1663 | |
---|
| 1664 | Int pos[SCAN_SET_SIZE]; |
---|
| 1665 | if( iScanPosSig == (Int) uiScanPosLast ) |
---|
| 1666 | { |
---|
| 1667 | lastNZPosInCG = iScanPosSig; |
---|
| 1668 | firstNZPosInCG = iScanPosSig; |
---|
| 1669 | iScanPosSig--; |
---|
| 1670 | pos[ numNonZero ] = uiBlkPosLast; |
---|
| 1671 | numNonZero = 1; |
---|
| 1672 | } |
---|
[2] | 1673 | |
---|
[608] | 1674 | // decode significant_coeffgroup_flag |
---|
| 1675 | Int iCGBlkPos = scanCG[ iSubSet ]; |
---|
| 1676 | Int iCGPosY = iCGBlkPos / uiNumBlkSide; |
---|
| 1677 | Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide); |
---|
| 1678 | if( iSubSet == iLastScanSet || iSubSet == 0) |
---|
| 1679 | { |
---|
| 1680 | uiSigCoeffGroupFlag[ iCGBlkPos ] = 1; |
---|
| 1681 | } |
---|
| 1682 | else |
---|
| 1683 | { |
---|
| 1684 | UInt uiSigCoeffGroup; |
---|
| 1685 | UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ); |
---|
| 1686 | m_pcTDecBinIf->decodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] ); |
---|
| 1687 | uiSigCoeffGroupFlag[ iCGBlkPos ] = uiSigCoeffGroup; |
---|
| 1688 | } |
---|
[56] | 1689 | |
---|
[608] | 1690 | // decode significant_coeff_flag |
---|
| 1691 | Int patternSigCtx = TComTrQuant::calcPatternSigCtx( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ); |
---|
| 1692 | UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig; |
---|
| 1693 | for( ; iScanPosSig >= iSubPos; iScanPosSig-- ) |
---|
| 1694 | { |
---|
| 1695 | uiBlkPos = scan[ iScanPosSig ]; |
---|
| 1696 | uiPosY = uiBlkPos >> uiLog2BlockSize; |
---|
| 1697 | uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize ); |
---|
| 1698 | uiSig = 0; |
---|
| 1699 | |
---|
| 1700 | if( uiSigCoeffGroupFlag[ iCGBlkPos ] ) |
---|
[56] | 1701 | { |
---|
[608] | 1702 | if( iScanPosSig > iSubPos || iSubSet == 0 || numNonZero ) |
---|
[2] | 1703 | { |
---|
[608] | 1704 | uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, uiScanIdx, uiPosX, uiPosY, uiLog2BlockSize, eTType ); |
---|
| 1705 | m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] ); |
---|
[2] | 1706 | } |
---|
[608] | 1707 | else |
---|
[2] | 1708 | { |
---|
[608] | 1709 | uiSig = 1; |
---|
[2] | 1710 | } |
---|
[56] | 1711 | } |
---|
[608] | 1712 | pcCoef[ uiBlkPos ] = uiSig; |
---|
| 1713 | if( uiSig ) |
---|
| 1714 | { |
---|
| 1715 | pos[ numNonZero ] = uiBlkPos; |
---|
| 1716 | numNonZero ++; |
---|
| 1717 | if( lastNZPosInCG == -1 ) |
---|
| 1718 | { |
---|
| 1719 | lastNZPosInCG = iScanPosSig; |
---|
| 1720 | } |
---|
| 1721 | firstNZPosInCG = iScanPosSig; |
---|
| 1722 | } |
---|
| 1723 | } |
---|
[2] | 1724 | |
---|
[56] | 1725 | if( numNonZero ) |
---|
[2] | 1726 | { |
---|
[608] | 1727 | Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD ); |
---|
[56] | 1728 | absSum = 0; |
---|
| 1729 | UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0; |
---|
| 1730 | UInt uiBin; |
---|
[608] | 1731 | if( c1 == 0 ) |
---|
[2] | 1732 | { |
---|
[56] | 1733 | uiCtxSet++; |
---|
| 1734 | } |
---|
[608] | 1735 | c1 = 1; |
---|
[56] | 1736 | ContextModel *baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 * uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet; |
---|
| 1737 | Int absCoeff[SCAN_SET_SIZE]; |
---|
| 1738 | |
---|
| 1739 | for ( Int i = 0; i < numNonZero; i++) absCoeff[i] = 1; |
---|
| 1740 | Int numC1Flag = min(numNonZero, C1FLAG_NUMBER); |
---|
| 1741 | Int firstC2FlagIdx = -1; |
---|
| 1742 | |
---|
| 1743 | for( Int idx = 0; idx < numC1Flag; idx++ ) |
---|
| 1744 | { |
---|
| 1745 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c1] ); |
---|
| 1746 | if( uiBin == 1 ) |
---|
[2] | 1747 | { |
---|
[56] | 1748 | c1 = 0; |
---|
| 1749 | if (firstC2FlagIdx == -1) |
---|
| 1750 | { |
---|
| 1751 | firstC2FlagIdx = idx; |
---|
| 1752 | } |
---|
| 1753 | } |
---|
| 1754 | else if( (c1 < 3) && (c1 > 0) ) |
---|
| 1755 | { |
---|
[2] | 1756 | c1++; |
---|
| 1757 | } |
---|
[56] | 1758 | absCoeff[ idx ] = uiBin + 1; |
---|
| 1759 | } |
---|
| 1760 | |
---|
| 1761 | if (c1 == 0) |
---|
| 1762 | { |
---|
| 1763 | baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet; |
---|
| 1764 | if ( firstC2FlagIdx != -1) |
---|
[2] | 1765 | { |
---|
[56] | 1766 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[0] ); |
---|
| 1767 | absCoeff[ firstC2FlagIdx ] = uiBin + 2; |
---|
[2] | 1768 | } |
---|
| 1769 | } |
---|
[56] | 1770 | |
---|
| 1771 | UInt coeffSigns; |
---|
| 1772 | if ( signHidden && beValid ) |
---|
| 1773 | { |
---|
| 1774 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero-1 ); |
---|
| 1775 | coeffSigns <<= 32 - (numNonZero-1); |
---|
| 1776 | } |
---|
| 1777 | else |
---|
| 1778 | { |
---|
| 1779 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero ); |
---|
| 1780 | coeffSigns <<= 32 - numNonZero; |
---|
| 1781 | } |
---|
[2] | 1782 | |
---|
[56] | 1783 | Int iFirstCoeff2 = 1; |
---|
| 1784 | if (c1 == 0 || numNonZero > C1FLAG_NUMBER) |
---|
[2] | 1785 | { |
---|
[56] | 1786 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
[2] | 1787 | { |
---|
[56] | 1788 | UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2) : 1; |
---|
[2] | 1789 | |
---|
[56] | 1790 | if( absCoeff[ idx ] == baseLevel) |
---|
[2] | 1791 | { |
---|
[56] | 1792 | UInt uiLevel; |
---|
[608] | 1793 | xReadCoefRemainExGolomb( uiLevel, uiGoRiceParam ); |
---|
[56] | 1794 | absCoeff[ idx ] = uiLevel + baseLevel; |
---|
[608] | 1795 | if(absCoeff[idx]>3*(1<<uiGoRiceParam)) |
---|
| 1796 | { |
---|
| 1797 | uiGoRiceParam = min<UInt>(uiGoRiceParam+ 1, 4); |
---|
| 1798 | } |
---|
[2] | 1799 | } |
---|
[56] | 1800 | |
---|
| 1801 | if(absCoeff[ idx ] >= 2) |
---|
[2] | 1802 | { |
---|
[56] | 1803 | iFirstCoeff2 = 0; |
---|
[2] | 1804 | } |
---|
| 1805 | } |
---|
| 1806 | } |
---|
[56] | 1807 | |
---|
| 1808 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
[2] | 1809 | { |
---|
[56] | 1810 | Int blkPos = pos[ idx ]; |
---|
| 1811 | // Signs applied later. |
---|
| 1812 | pcCoef[ blkPos ] = absCoeff[ idx ]; |
---|
| 1813 | absSum += absCoeff[ idx ]; |
---|
| 1814 | |
---|
| 1815 | if ( idx == numNonZero-1 && signHidden && beValid ) |
---|
| 1816 | { |
---|
| 1817 | // Infer sign of 1st element. |
---|
| 1818 | if (absSum&0x1) |
---|
[608] | 1819 | { |
---|
[56] | 1820 | pcCoef[ blkPos ] = -pcCoef[ blkPos ]; |
---|
[608] | 1821 | } |
---|
[56] | 1822 | } |
---|
| 1823 | else |
---|
| 1824 | { |
---|
| 1825 | Int sign = static_cast<Int>( coeffSigns ) >> 31; |
---|
| 1826 | pcCoef[ blkPos ] = ( pcCoef[ blkPos ] ^ sign ) - sign; |
---|
| 1827 | coeffSigns <<= 1; |
---|
| 1828 | } |
---|
[2] | 1829 | } |
---|
| 1830 | } |
---|
| 1831 | } |
---|
| 1832 | |
---|
| 1833 | return; |
---|
| 1834 | } |
---|
| 1835 | |
---|
[608] | 1836 | |
---|
[443] | 1837 | Void TDecSbac::parseSaoMaxUvlc ( UInt& val, UInt maxSymbol ) |
---|
| 1838 | { |
---|
[608] | 1839 | if (maxSymbol == 0) |
---|
[2] | 1840 | { |
---|
[608] | 1841 | val = 0; |
---|
[2] | 1842 | return; |
---|
| 1843 | } |
---|
[56] | 1844 | |
---|
[608] | 1845 | UInt code; |
---|
[2] | 1846 | Int i; |
---|
[608] | 1847 | m_pcTDecBinIf->decodeBinEP( code ); |
---|
| 1848 | if ( code == 0 ) |
---|
[2] | 1849 | { |
---|
[608] | 1850 | val = 0; |
---|
[2] | 1851 | return; |
---|
| 1852 | } |
---|
[56] | 1853 | |
---|
[2] | 1854 | i=1; |
---|
| 1855 | while (1) |
---|
| 1856 | { |
---|
[608] | 1857 | m_pcTDecBinIf->decodeBinEP( code ); |
---|
| 1858 | if ( code == 0 ) |
---|
| 1859 | { |
---|
| 1860 | break; |
---|
| 1861 | } |
---|
[2] | 1862 | i++; |
---|
[608] | 1863 | if (i == maxSymbol) |
---|
[56] | 1864 | { |
---|
[608] | 1865 | break; |
---|
[56] | 1866 | } |
---|
| 1867 | } |
---|
[608] | 1868 | |
---|
| 1869 | val = i; |
---|
[2] | 1870 | } |
---|
[608] | 1871 | Void TDecSbac::parseSaoUflc (UInt uiLength, UInt& riVal) |
---|
[56] | 1872 | { |
---|
[608] | 1873 | m_pcTDecBinIf->decodeBinsEP ( riVal, uiLength ); |
---|
[56] | 1874 | } |
---|
[608] | 1875 | Void TDecSbac::parseSaoMerge (UInt& ruiVal) |
---|
[2] | 1876 | { |
---|
| 1877 | UInt uiCode; |
---|
[608] | 1878 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeSCModel.get( 0, 0, 0 ) ); |
---|
[56] | 1879 | ruiVal = (Int)uiCode; |
---|
| 1880 | } |
---|
| 1881 | Void TDecSbac::parseSaoTypeIdx (UInt& ruiVal) |
---|
| 1882 | { |
---|
| 1883 | UInt uiCode; |
---|
| 1884 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) ); |
---|
[608] | 1885 | if (uiCode == 0) |
---|
[2] | 1886 | { |
---|
| 1887 | ruiVal = 0; |
---|
| 1888 | } |
---|
[608] | 1889 | else |
---|
[2] | 1890 | { |
---|
[608] | 1891 | m_pcTDecBinIf->decodeBinEP( uiCode ); |
---|
| 1892 | if (uiCode == 0) |
---|
| 1893 | { |
---|
[872] | 1894 | ruiVal = 1; |
---|
[608] | 1895 | } |
---|
| 1896 | else |
---|
| 1897 | { |
---|
[872] | 1898 | ruiVal = 2; |
---|
[608] | 1899 | } |
---|
[2] | 1900 | } |
---|
| 1901 | } |
---|
| 1902 | |
---|
[872] | 1903 | Void TDecSbac::parseSaoSign(UInt& val) |
---|
[2] | 1904 | { |
---|
[872] | 1905 | m_pcTDecBinIf->decodeBinEP ( val ); |
---|
[56] | 1906 | } |
---|
[608] | 1907 | |
---|
[872] | 1908 | Void TDecSbac::parseSAOBlkParam (SAOBlkParam& saoBlkParam |
---|
| 1909 | , Bool* sliceEnabled |
---|
| 1910 | , Bool leftMergeAvail |
---|
| 1911 | , Bool aboveMergeAvail |
---|
| 1912 | ) |
---|
[56] | 1913 | { |
---|
| 1914 | UInt uiSymbol; |
---|
[2] | 1915 | |
---|
[872] | 1916 | Bool isLeftMerge = false; |
---|
| 1917 | Bool isAboveMerge= false; |
---|
| 1918 | |
---|
| 1919 | if(leftMergeAvail) |
---|
[608] | 1920 | { |
---|
[872] | 1921 | parseSaoMerge(uiSymbol); //sao_merge_left_flag |
---|
| 1922 | isLeftMerge = (uiSymbol?true:false); |
---|
[608] | 1923 | } |
---|
[872] | 1924 | |
---|
| 1925 | if( aboveMergeAvail && !isLeftMerge) |
---|
[608] | 1926 | { |
---|
[872] | 1927 | parseSaoMerge(uiSymbol); //sao_merge_up_flag |
---|
| 1928 | isAboveMerge = (uiSymbol?true:false); |
---|
[608] | 1929 | } |
---|
| 1930 | |
---|
[872] | 1931 | if(isLeftMerge || isAboveMerge) //merge mode |
---|
[56] | 1932 | { |
---|
[872] | 1933 | saoBlkParam[SAO_Y].modeIdc = saoBlkParam[SAO_Cb].modeIdc = saoBlkParam[SAO_Cr].modeIdc = SAO_MODE_MERGE; |
---|
| 1934 | saoBlkParam[SAO_Y].typeIdc = saoBlkParam[SAO_Cb].typeIdc = saoBlkParam[SAO_Cr].typeIdc = (isLeftMerge)?SAO_MERGE_LEFT:SAO_MERGE_ABOVE; |
---|
[56] | 1935 | } |
---|
[872] | 1936 | else //new or off mode |
---|
[608] | 1937 | { |
---|
[872] | 1938 | for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++) |
---|
[608] | 1939 | { |
---|
[872] | 1940 | SAOOffset& ctbParam = saoBlkParam[compIdx]; |
---|
| 1941 | |
---|
| 1942 | if(!sliceEnabled[compIdx]) |
---|
[608] | 1943 | { |
---|
[872] | 1944 | //off |
---|
| 1945 | ctbParam.modeIdc = SAO_MODE_OFF; |
---|
| 1946 | continue; |
---|
[608] | 1947 | } |
---|
[872] | 1948 | |
---|
| 1949 | //type |
---|
| 1950 | if(compIdx == SAO_Y || compIdx == SAO_Cb) |
---|
[56] | 1951 | { |
---|
[872] | 1952 | parseSaoTypeIdx(uiSymbol); //sao_type_idx_luma or sao_type_idx_chroma |
---|
| 1953 | |
---|
| 1954 | assert(uiSymbol ==0 || uiSymbol ==1 || uiSymbol ==2); |
---|
| 1955 | |
---|
| 1956 | if(uiSymbol ==0) //OFF |
---|
[608] | 1957 | { |
---|
[872] | 1958 | ctbParam.modeIdc = SAO_MODE_OFF; |
---|
[608] | 1959 | } |
---|
[872] | 1960 | else if(uiSymbol == 1) //BO |
---|
| 1961 | { |
---|
| 1962 | ctbParam.modeIdc = SAO_MODE_NEW; |
---|
| 1963 | ctbParam.typeIdc = SAO_TYPE_START_BO; |
---|
[56] | 1964 | } |
---|
[872] | 1965 | else //2, EO |
---|
[56] | 1966 | { |
---|
[872] | 1967 | ctbParam.modeIdc = SAO_MODE_NEW; |
---|
| 1968 | ctbParam.typeIdc = SAO_TYPE_START_EO; |
---|
| 1969 | } |
---|
| 1970 | |
---|
[56] | 1971 | } |
---|
[872] | 1972 | else //Cr, follow Cb SAO type |
---|
| 1973 | { |
---|
| 1974 | ctbParam.modeIdc = saoBlkParam[SAO_Cb].modeIdc; |
---|
| 1975 | ctbParam.typeIdc = saoBlkParam[SAO_Cb].typeIdc; |
---|
[56] | 1976 | } |
---|
[2] | 1977 | |
---|
[872] | 1978 | if(ctbParam.modeIdc == SAO_MODE_NEW) |
---|
[56] | 1979 | { |
---|
[872] | 1980 | Int offset[4]; |
---|
| 1981 | for(Int i=0; i< 4; i++) |
---|
[2] | 1982 | { |
---|
[872] | 1983 | parseSaoMaxUvlc(uiSymbol, g_saoMaxOffsetQVal[compIdx] ); //sao_offset_abs |
---|
| 1984 | offset[i] = (Int)uiSymbol; |
---|
| 1985 | } |
---|
[56] | 1986 | |
---|
[872] | 1987 | if(ctbParam.typeIdc == SAO_TYPE_START_BO) |
---|
[608] | 1988 | { |
---|
[872] | 1989 | for(Int i=0; i< 4; i++) |
---|
[56] | 1990 | { |
---|
[872] | 1991 | if(offset[i] != 0) |
---|
[608] | 1992 | { |
---|
[872] | 1993 | parseSaoSign(uiSymbol); //sao_offset_sign |
---|
| 1994 | if(uiSymbol) |
---|
[56] | 1995 | { |
---|
[872] | 1996 | offset[i] = -offset[i]; |
---|
[56] | 1997 | } |
---|
[608] | 1998 | } |
---|
| 1999 | } |
---|
[872] | 2000 | parseSaoUflc(NUM_SAO_BO_CLASSES_LOG2, uiSymbol ); //sao_band_position |
---|
| 2001 | ctbParam.typeAuxInfo = uiSymbol; |
---|
[608] | 2002 | |
---|
[872] | 2003 | for(Int i=0; i<4; i++) |
---|
[608] | 2004 | { |
---|
[872] | 2005 | ctbParam.offset[(ctbParam.typeAuxInfo+i)%MAX_NUM_SAO_CLASSES] = offset[i]; |
---|
[608] | 2006 | } |
---|
[56] | 2007 | |
---|
| 2008 | } |
---|
[872] | 2009 | else //EO |
---|
[56] | 2010 | { |
---|
[872] | 2011 | ctbParam.typeAuxInfo = 0; |
---|
| 2012 | |
---|
| 2013 | if(compIdx == SAO_Y || compIdx == SAO_Cb) |
---|
[56] | 2014 | { |
---|
[872] | 2015 | parseSaoUflc(NUM_SAO_EO_TYPES_LOG2, uiSymbol ); //sao_eo_class_luma or sao_eo_class_chroma |
---|
| 2016 | ctbParam.typeIdc += uiSymbol; |
---|
[56] | 2017 | } |
---|
| 2018 | else |
---|
| 2019 | { |
---|
[872] | 2020 | ctbParam.typeIdc = saoBlkParam[SAO_Cb].typeIdc; |
---|
[56] | 2021 | } |
---|
[872] | 2022 | ctbParam.offset[SAO_CLASS_EO_FULL_VALLEY] = offset[0]; |
---|
| 2023 | ctbParam.offset[SAO_CLASS_EO_HALF_VALLEY] = offset[1]; |
---|
| 2024 | ctbParam.offset[SAO_CLASS_EO_PLAIN ] = 0; |
---|
| 2025 | ctbParam.offset[SAO_CLASS_EO_HALF_PEAK ] = -offset[2]; |
---|
| 2026 | ctbParam.offset[SAO_CLASS_EO_FULL_PEAK ] = -offset[3]; |
---|
[56] | 2027 | } |
---|
| 2028 | } |
---|
| 2029 | } |
---|
[2] | 2030 | } |
---|
[56] | 2031 | } |
---|
[608] | 2032 | |
---|
[56] | 2033 | /** |
---|
| 2034 | - Initialize our contexts from the nominated source. |
---|
| 2035 | . |
---|
| 2036 | \param pSrc Contexts to be copied. |
---|
| 2037 | */ |
---|
| 2038 | Void TDecSbac::xCopyContextsFrom( TDecSbac* pSrc ) |
---|
| 2039 | { |
---|
| 2040 | memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0])); |
---|
| 2041 | } |
---|
[2] | 2042 | |
---|
[56] | 2043 | Void TDecSbac::xCopyFrom( TDecSbac* pSrc ) |
---|
| 2044 | { |
---|
| 2045 | m_pcTDecBinIf->copyState( pSrc->m_pcTDecBinIf ); |
---|
[2] | 2046 | |
---|
[56] | 2047 | m_uiLastQp = pSrc->m_uiLastQp; |
---|
| 2048 | xCopyContextsFrom( pSrc ); |
---|
| 2049 | |
---|
| 2050 | } |
---|
| 2051 | |
---|
| 2052 | Void TDecSbac::load ( TDecSbac* pScr ) |
---|
| 2053 | { |
---|
| 2054 | xCopyFrom(pScr); |
---|
| 2055 | } |
---|
| 2056 | |
---|
| 2057 | Void TDecSbac::loadContexts ( TDecSbac* pScr ) |
---|
| 2058 | { |
---|
| 2059 | xCopyContextsFrom(pScr); |
---|
| 2060 | } |
---|
| 2061 | |
---|
[608] | 2062 | #if H_3D_ARP |
---|
| 2063 | Void TDecSbac::parseARPW( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[56] | 2064 | { |
---|
[608] | 2065 | UInt uiMaxW = pcCU->getSlice()->getARPStepNum() - 1; |
---|
| 2066 | UInt uiW = 0; |
---|
| 2067 | UInt uiOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx); |
---|
| 2068 | UInt uiCode = 0; |
---|
[56] | 2069 | |
---|
[608] | 2070 | assert ( uiMaxW > 0 ); |
---|
[56] | 2071 | |
---|
[608] | 2072 | m_pcTDecBinIf->decodeBin( uiCode , m_cCUPUARPWSCModel.get( 0, 0, 0 + uiOffset ) ); |
---|
[2] | 2073 | |
---|
[608] | 2074 | uiW = uiCode; |
---|
| 2075 | if( 1 == uiW ) |
---|
[56] | 2076 | { |
---|
[833] | 2077 | m_pcTDecBinIf->decodeBin( uiCode , m_cCUPUARPWSCModel.get( 0, 0, 2 ) ); |
---|
[608] | 2078 | uiW += ( 1 == uiCode ? 1 : 0 ); |
---|
[56] | 2079 | } |
---|
[608] | 2080 | #if H_MV_ENC_DEC_TRAC |
---|
| 2081 | DTRACE_CU("iv_res_pred_weight_idx", uiW ) |
---|
| 2082 | #endif |
---|
| 2083 | pcCU->setARPWSubParts( ( UChar )( uiW ) , uiAbsPartIdx, uiDepth ); |
---|
[2] | 2084 | } |
---|
| 2085 | #endif |
---|
[56] | 2086 | |
---|
[608] | 2087 | #if H_3D_IC |
---|
| 2088 | /** parse illumination compensation flag |
---|
| 2089 | * \param pcCU |
---|
| 2090 | * \param uiAbsPartIdx |
---|
| 2091 | * \param uiDepth |
---|
| 2092 | * \returns Void |
---|
| 2093 | */ |
---|
| 2094 | Void TDecSbac::parseICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2095 | { |
---|
| 2096 | UInt uiSymbol = 0; |
---|
[833] | 2097 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) ); |
---|
[608] | 2098 | #if !H_MV_ENC_DEC_TRAC |
---|
| 2099 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
| 2100 | DTRACE_CABAC_T( "\tICFlag" ); |
---|
| 2101 | DTRACE_CABAC_T( "\tuiCtxIC: "); |
---|
| 2102 | DTRACE_CABAC_V( uiCtxIC ); |
---|
| 2103 | DTRACE_CABAC_T( "\tuiSymbol: "); |
---|
| 2104 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 2105 | DTRACE_CABAC_T( "\n"); |
---|
| 2106 | #else |
---|
| 2107 | DTRACE_CU("ic_flag", uiSymbol) |
---|
[56] | 2108 | #endif |
---|
[608] | 2109 | |
---|
| 2110 | pcCU->setICFlagSubParts( uiSymbol ? true : false , uiAbsPartIdx, 0, uiDepth ); |
---|
[296] | 2111 | } |
---|
| 2112 | #endif |
---|
| 2113 | |
---|
[655] | 2114 | #if H_3D_INTER_SDC |
---|
[833] | 2115 | Void TDecSbac::parseDeltaDC( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
| 2116 | { |
---|
| 2117 | if( ! ( pcCU->getSDCFlag( absPartIdx ) || ( pcCU->isIntra( absPartIdx ) && getDimType( pcCU->getLumaIntraDir( absPartIdx ) ) < DIM_NUM_TYPE ) ) ) |
---|
| 2118 | { |
---|
| 2119 | assert( 0 ); |
---|
| 2120 | } |
---|
| 2121 | |
---|
[994] | 2122 | #if HS_DMM_SIGNALLING_I0120 |
---|
| 2123 | UInt symbol = 1; |
---|
| 2124 | UInt uiNumSegments = isDimMode( pcCU->getLumaIntraDir( absPartIdx ) ) ? 2 : 1; |
---|
| 2125 | #else |
---|
[833] | 2126 | UInt symbol = 0; |
---|
| 2127 | UInt uiNumSegments = 0; |
---|
[994] | 2128 | #endif |
---|
[833] | 2129 | |
---|
[994] | 2130 | #if HS_DMM_SIGNALLING_I0120 |
---|
| 2131 | if( pcCU->isIntra( absPartIdx ) && pcCU->getSDCFlag( absPartIdx )) |
---|
| 2132 | { |
---|
| 2133 | #else |
---|
[833] | 2134 | if( pcCU->isIntra( absPartIdx ) ) |
---|
| 2135 | { |
---|
| 2136 | UInt dir = pcCU->getLumaIntraDir( absPartIdx ); |
---|
| 2137 | uiNumSegments = isDimMode( dir ) ? 2 : 1; |
---|
[994] | 2138 | #endif |
---|
[950] | 2139 | m_pcTDecBinIf->decodeBin( symbol, m_cDdcFlagSCModel.get( 0, 0, 0 ) ); |
---|
[994] | 2140 | #if !HS_DMM_SIGNALLING_I0120 |
---|
[833] | 2141 | if( pcCU->getSDCFlag( absPartIdx ) ) |
---|
| 2142 | { |
---|
[994] | 2143 | #endif |
---|
[833] | 2144 | assert( pcCU->getPartitionSize( absPartIdx ) == SIZE_2Nx2N ); |
---|
| 2145 | pcCU->setTrIdxSubParts( 0, absPartIdx, depth ); |
---|
| 2146 | pcCU->setCbfSubParts( 1, 1, 1, absPartIdx, depth ); |
---|
| 2147 | } |
---|
[994] | 2148 | #if !HS_DMM_SIGNALLING_I0120 |
---|
[833] | 2149 | else |
---|
| 2150 | { |
---|
| 2151 | pcCU->setLumaIntraDirSubParts( dir + symbol, absPartIdx, depth ); |
---|
| 2152 | } |
---|
| 2153 | } |
---|
| 2154 | else |
---|
| 2155 | { |
---|
| 2156 | uiNumSegments = 1; |
---|
| 2157 | symbol = 1; |
---|
| 2158 | } |
---|
[994] | 2159 | #endif |
---|
[833] | 2160 | |
---|
| 2161 | |
---|
| 2162 | for( UInt segment = 0; segment < uiNumSegments; segment++ ) |
---|
| 2163 | { |
---|
| 2164 | Pel valDeltaDC = 0; |
---|
| 2165 | if( symbol ) |
---|
| 2166 | { |
---|
| 2167 | xParseDimDeltaDC( valDeltaDC, uiNumSegments ); |
---|
| 2168 | } |
---|
| 2169 | |
---|
| 2170 | if( pcCU->isIntra( absPartIdx ) ) |
---|
| 2171 | { |
---|
| 2172 | UInt dir = pcCU->getLumaIntraDir( absPartIdx ); |
---|
| 2173 | |
---|
| 2174 | if( pcCU->getSDCFlag( absPartIdx ) ) |
---|
| 2175 | { |
---|
| 2176 | pcCU->setSDCSegmentDCOffset( valDeltaDC, segment, absPartIdx ); |
---|
| 2177 | } |
---|
| 2178 | else |
---|
| 2179 | { |
---|
| 2180 | pcCU->setDimDeltaDC( getDimType( dir ), segment, absPartIdx, valDeltaDC ); |
---|
| 2181 | } |
---|
| 2182 | } |
---|
| 2183 | else |
---|
| 2184 | { |
---|
| 2185 | pcCU->setSDCSegmentDCOffset( valDeltaDC, segment, absPartIdx ); |
---|
| 2186 | } |
---|
| 2187 | } |
---|
| 2188 | } |
---|
| 2189 | |
---|
| 2190 | Void TDecSbac::parseSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2191 | { |
---|
| 2192 | UInt uiSymbol = 0; |
---|
| 2193 | UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx ); |
---|
| 2194 | |
---|
| 2195 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) ); |
---|
| 2196 | |
---|
| 2197 | if( uiSymbol ) |
---|
| 2198 | { |
---|
| 2199 | pcCU->setSDCFlagSubParts( true, uiAbsPartIdx, uiDepth ); |
---|
| 2200 | pcCU->setTrIdxSubParts( 0, uiAbsPartIdx, uiDepth ); |
---|
| 2201 | pcCU->setCbfSubParts( 1, 1, 1, uiAbsPartIdx, uiDepth ); |
---|
| 2202 | } |
---|
| 2203 | else |
---|
| 2204 | { |
---|
| 2205 | pcCU->setSDCFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 2206 | } |
---|
| 2207 | } |
---|
[100] | 2208 | |
---|
[189] | 2209 | #endif |
---|
| 2210 | |
---|
[833] | 2211 | #if H_3D_DBBP |
---|
| 2212 | Void TDecSbac::parseDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2213 | { |
---|
| 2214 | AOF( pcCU->getSlice()->getVPS()->getUseDBBP(pcCU->getSlice()->getLayerIdInVps()) ); |
---|
| 2215 | AOF( !pcCU->getSlice()->getIsDepth() ); |
---|
| 2216 | |
---|
| 2217 | UInt uiSymbol = 0; |
---|
| 2218 | |
---|
| 2219 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 2220 | |
---|
| 2221 | if( uiSymbol ) |
---|
| 2222 | { |
---|
| 2223 | pcCU->setDBBPFlagSubParts(true, uiAbsPartIdx, 0, uiDepth); |
---|
[950] | 2224 | UInt uiCurrPartNumQ = (pcCU->getPic()->getNumPartInCU() >> (2 * uiDepth)) >> 2; |
---|
| 2225 | pcCU->setDBBPFlagSubParts(true, uiAbsPartIdx + 2*uiCurrPartNumQ, 1, uiDepth); |
---|
[833] | 2226 | } |
---|
| 2227 | } |
---|
| 2228 | #endif |
---|
| 2229 | |
---|
[872] | 2230 | |
---|
| 2231 | |
---|
[56] | 2232 | //! \} |
---|