| 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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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2014, ITU/ISO/IEC |
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| 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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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 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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| 33 | |
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| 34 | /** \file TEncSbac.cpp |
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| 35 | \brief SBAC encoder class |
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| 36 | */ |
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| 37 | |
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| 38 | #include "TEncTop.h" |
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| 39 | #include "TEncSbac.h" |
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| 40 | |
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| 41 | #include <map> |
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| 42 | #include <algorithm> |
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| 43 | |
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| 44 | //! \ingroup TLibEncoder |
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| 45 | //! \{ |
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| 46 | |
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| 47 | // ==================================================================================================================== |
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| 48 | // Constructor / destructor / create / destroy |
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| 49 | // ==================================================================================================================== |
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| 50 | |
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| 51 | TEncSbac::TEncSbac() |
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| 52 | // new structure here |
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| 53 | : m_pcBitIf ( NULL ) |
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| 54 | , m_pcSlice ( NULL ) |
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| 55 | , m_pcBinIf ( NULL ) |
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| 56 | , m_uiCoeffCost ( 0 ) |
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| 57 | , m_numContextModels ( 0 ) |
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| 58 | , m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels ) |
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| 59 | , m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 60 | #if H_3D_SINGLE_DEPTH |
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| 61 | , m_cCUSingleDepthFlagSCModel ( 1, 1, NUM_SINGLEDEPTH_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 62 | , m_cSingleDepthValueSCModel ( 1, 1, NUM_SINGLE_DEPTH_VALUE_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 63 | #endif |
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| 64 | , m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 65 | , m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 66 | #if H_3D_ARP |
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| 67 | , m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 68 | #endif |
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| 69 | #if H_3D_IC |
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| 70 | , m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 71 | #endif |
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| 72 | , m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 73 | , m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 74 | , m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 75 | , m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 76 | , m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 77 | , m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 78 | , m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 79 | , m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 80 | , m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 81 | , m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 82 | , m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 83 | , m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 84 | , m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 85 | , m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels) |
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| 86 | , m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels) |
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| 87 | , m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 88 | , m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 89 | , m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 90 | , m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 91 | , m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 92 | , m_cTransformSkipSCModel ( 1, 2, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 93 | , m_CUTransquantBypassFlagSCModel( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX, m_contextModels + m_numContextModels, m_numContextModels) |
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| 94 | #if H_3D_DIM |
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| 95 | , m_cDepthIntraModeSCModel ( 1, 1, NUM_DEPTH_INTRA_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 96 | , m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 97 | , m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 98 | , m_cAngleFlagSCModel ( 1, 1, NUM_ANGLE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 99 | #if H_3D_DIM_SDC |
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| 100 | , m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 101 | , m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 102 | #endif |
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| 103 | #endif |
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| 104 | #if H_3D_DIM_SDC |
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| 105 | , m_cSDCFlagSCModel ( 1, 1, NUM_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 106 | #endif |
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| 107 | #if H_3D_DBBP |
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| 108 | , m_cDBBPFlagSCModel ( 1, 1, DBBP_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 109 | #endif |
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| 110 | { |
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| 111 | assert( m_numContextModels <= MAX_NUM_CTX_MOD ); |
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| 112 | } |
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| 113 | |
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| 114 | TEncSbac::~TEncSbac() |
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| 115 | { |
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| 116 | } |
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| 117 | |
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| 118 | // ==================================================================================================================== |
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| 119 | // Public member functions |
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| 120 | // ==================================================================================================================== |
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| 121 | |
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| 122 | Void TEncSbac::resetEntropy () |
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| 123 | { |
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| 124 | Int iQp = m_pcSlice->getSliceQp(); |
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| 125 | SliceType eSliceType = m_pcSlice->getSliceType(); |
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| 126 | |
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| 127 | Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx(); |
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| 128 | if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE || encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag()) |
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| 129 | { |
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| 130 | eSliceType = (SliceType) encCABACTableIdx; |
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| 131 | } |
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| 132 | |
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| 133 | m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG ); |
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| 134 | |
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| 135 | m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG ); |
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| 136 | #if H_3D_SINGLE_DEPTH |
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| 137 | m_cCUSingleDepthFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SINGLEDEPTH_FLAG ); |
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| 138 | m_cSingleDepthValueSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SINGLE_DEPTH_VALUE_DATA ); |
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| 139 | #endif |
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| 140 | m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT); |
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| 141 | m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT); |
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| 142 | #if H_3D_ARP |
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| 143 | m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW ); |
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| 144 | #endif |
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| 145 | #if H_3D_IC |
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| 146 | m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG ); |
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| 147 | #endif |
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| 148 | m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE ); |
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| 149 | m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE ); |
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| 150 | m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 151 | m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 152 | m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR ); |
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| 153 | m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD ); |
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| 154 | m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC ); |
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| 155 | m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP ); |
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| 156 | m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF ); |
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| 157 | m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 158 | m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 159 | m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG ); |
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| 160 | m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 161 | m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 162 | m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG ); |
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| 163 | m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG ); |
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| 164 | m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX ); |
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| 165 | m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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| 166 | m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG ); |
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| 167 | m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX ); |
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| 168 | m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG ); |
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| 169 | m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG ); |
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| 170 | |
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| 171 | #if H_3D_DIM |
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| 172 | m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE ); |
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| 173 | m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG ); |
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| 174 | m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA ); |
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| 175 | m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG ); |
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| 176 | #if H_3D_DIM_SDC |
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| 177 | m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG ); |
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| 178 | m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL ); |
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| 179 | #endif |
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| 180 | #endif |
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| 181 | #if H_3D_DIM_SDC |
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| 182 | m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG ); |
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| 183 | #endif |
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| 184 | #if H_3D_DBBP |
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| 185 | m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG ); |
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| 186 | #endif |
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| 187 | // new structure |
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| 188 | m_uiLastQp = iQp; |
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| 189 | |
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| 190 | m_pcBinIf->start(); |
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| 191 | |
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| 192 | return; |
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| 193 | } |
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| 194 | |
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| 195 | /** The function does the following: |
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| 196 | * If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and |
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| 197 | * stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true. |
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| 198 | */ |
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| 199 | Void TEncSbac::determineCabacInitIdx() |
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| 200 | { |
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| 201 | Int qp = m_pcSlice->getSliceQp(); |
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| 202 | |
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| 203 | if (!m_pcSlice->isIntra()) |
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| 204 | { |
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| 205 | SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE}; |
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| 206 | |
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| 207 | UInt bestCost = MAX_UINT; |
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| 208 | SliceType bestSliceType = aSliceTypeChoices[0]; |
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| 209 | for (UInt idx=0; idx<2; idx++) |
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| 210 | { |
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| 211 | UInt curCost = 0; |
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| 212 | SliceType curSliceType = aSliceTypeChoices[idx]; |
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| 213 | |
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| 214 | curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG ); |
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| 215 | curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG ); |
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| 216 | #if H_3D_SINGLE_DEPTH |
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| 217 | curCost += m_cCUSingleDepthFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SINGLEDEPTH_FLAG ); |
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| 218 | curCost += m_cSingleDepthValueSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SINGLE_DEPTH_VALUE_DATA ); |
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| 219 | #endif |
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| 220 | curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT); |
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| 221 | curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT); |
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| 222 | #if H_3D_ARP |
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| 223 | curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW ); |
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| 224 | #endif |
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| 225 | #if H_3D_IC |
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| 226 | curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG ); |
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| 227 | #endif |
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| 228 | #if H_3D_DIM_SDC |
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| 229 | curCost += m_cSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SDC_FLAG ); |
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| 230 | #endif |
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| 231 | #if H_3D_DBBP |
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| 232 | curCost += m_cDBBPFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DBBP_FLAG ); |
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| 233 | #endif |
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| 234 | curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE ); |
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| 235 | curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE ); |
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| 236 | curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 237 | curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 238 | curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR ); |
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| 239 | curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD ); |
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| 240 | curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC ); |
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| 241 | curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP ); |
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| 242 | curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF ); |
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| 243 | curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 244 | curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 245 | curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG ); |
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| 246 | curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST ); |
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| 247 | curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST ); |
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| 248 | curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG ); |
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| 249 | curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG ); |
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| 250 | curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX ); |
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| 251 | curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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| 252 | curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG ); |
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| 253 | curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX ); |
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| 254 | curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG ); |
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| 255 | curCost += m_CUTransquantBypassFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG ); |
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| 256 | #if H_3D_DIM |
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| 257 | if( m_pcSlice->getIntraSdcWedgeFlag() || m_pcSlice->getIntraContourFlag() ) |
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| 258 | { |
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| 259 | curCost += m_cDepthIntraModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE ); |
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| 260 | curCost += m_cDdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_FLAG ); |
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| 261 | curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA ); |
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| 262 | curCost += m_cAngleFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ANGLE_FLAG ); |
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| 263 | } |
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| 264 | #endif |
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| 265 | if (curCost < bestCost) |
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| 266 | { |
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| 267 | bestSliceType = curSliceType; |
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| 268 | bestCost = curCost; |
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| 269 | } |
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| 270 | } |
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| 271 | m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType ); |
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| 272 | } |
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| 273 | else |
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| 274 | { |
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| 275 | m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE ); |
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| 276 | } |
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| 277 | } |
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| 278 | |
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| 279 | |
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| 280 | /** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC. |
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| 281 | */ |
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| 282 | Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish ) |
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| 283 | { |
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| 284 | m_pcBinIf->encodeBinTrm(1); |
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| 285 | if (bExecuteFinish) m_pcBinIf->finish(); |
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| 286 | m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG ); |
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| 287 | |
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| 288 | m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG ); |
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| 289 | #if H_3D_SINGLE_DEPTH |
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| 290 | m_cCUSingleDepthFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SINGLEDEPTH_FLAG ); |
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| 291 | m_cSingleDepthValueSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SINGLE_DEPTH_VALUE_DATA ); |
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| 292 | #endif |
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| 293 | m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT); |
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| 294 | m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT); |
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| 295 | #if H_3D_ARP |
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| 296 | m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW ); |
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| 297 | #endif |
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| 298 | #if H_3D_IC |
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| 299 | m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG ); |
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| 300 | #endif |
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| 301 | m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE ); |
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| 302 | m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE ); |
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| 303 | m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 304 | m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 305 | m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR ); |
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| 306 | m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD ); |
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| 307 | m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC ); |
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| 308 | m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP ); |
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| 309 | m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF ); |
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| 310 | m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 311 | m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 312 | m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG ); |
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| 313 | m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 314 | m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST ); |
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| 315 | m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG ); |
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| 316 | m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG ); |
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| 317 | m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX ); |
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| 318 | m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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| 319 | m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG ); |
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| 320 | m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX ); |
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| 321 | m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG ); |
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| 322 | m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG ); |
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| 323 | #if H_3D_DIM |
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| 324 | m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE ); |
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| 325 | m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG ); |
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| 326 | m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA ); |
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| 327 | m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG ); |
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| 328 | #if H_3D_DIM_SDC |
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| 329 | m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG ); |
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| 330 | m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL ); |
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| 331 | #endif |
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| 332 | #endif |
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| 333 | #if H_3D_DIM_SDC |
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| 334 | m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG ); |
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| 335 | #endif |
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| 336 | #if H_3D_DBBP |
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| 337 | m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG ); |
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| 338 | #endif |
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| 339 | m_pcBinIf->start(); |
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| 340 | } |
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| 341 | |
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| 342 | Void TEncSbac::codeVPS( TComVPS* pcVPS ) |
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| 343 | { |
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| 344 | assert (0); |
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| 345 | return; |
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| 346 | } |
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| 347 | |
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| 348 | Void TEncSbac::codeSPS( TComSPS* pcSPS ) |
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| 349 | { |
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| 350 | assert (0); |
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| 351 | return; |
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| 352 | } |
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| 353 | |
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| 354 | Void TEncSbac::codePPS( TComPPS* pcPPS ) |
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| 355 | { |
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| 356 | assert (0); |
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| 357 | return; |
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| 358 | } |
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| 359 | |
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| 360 | Void TEncSbac::codeSliceHeader( TComSlice* pcSlice ) |
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| 361 | { |
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| 362 | assert (0); |
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| 363 | return; |
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| 364 | } |
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| 365 | |
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| 366 | Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice ) |
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| 367 | { |
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| 368 | assert (0); |
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| 369 | return; |
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| 370 | } |
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| 371 | |
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| 372 | Void TEncSbac::codeTerminatingBit( UInt uilsLast ) |
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| 373 | { |
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| 374 | m_pcBinIf->encodeBinTrm( uilsLast ); |
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| 375 | } |
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| 376 | |
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| 377 | Void TEncSbac::codeSliceFinish() |
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| 378 | { |
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| 379 | m_pcBinIf->finish(); |
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| 380 | } |
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| 381 | |
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| 382 | Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset ) |
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| 383 | { |
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| 384 | m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] ); |
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| 385 | |
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| 386 | if( 0 == uiSymbol) |
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| 387 | { |
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| 388 | return; |
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| 389 | } |
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| 390 | |
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| 391 | while( uiSymbol-- ) |
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| 392 | { |
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| 393 | m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] ); |
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| 394 | } |
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| 395 | |
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| 396 | return; |
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| 397 | } |
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| 398 | |
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| 399 | Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ) |
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| 400 | { |
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| 401 | if (uiMaxSymbol == 0) |
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| 402 | { |
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| 403 | return; |
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| 404 | } |
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| 405 | |
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| 406 | m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] ); |
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| 407 | |
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| 408 | if ( uiSymbol == 0 ) |
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| 409 | { |
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| 410 | return; |
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| 411 | } |
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| 412 | |
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| 413 | Bool bCodeLast = ( uiMaxSymbol > uiSymbol ); |
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| 414 | |
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| 415 | while( --uiSymbol ) |
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| 416 | { |
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| 417 | m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] ); |
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| 418 | } |
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| 419 | if( bCodeLast ) |
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| 420 | { |
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| 421 | m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] ); |
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| 422 | } |
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| 423 | |
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| 424 | return; |
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| 425 | } |
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| 426 | |
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| 427 | Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount ) |
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| 428 | { |
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| 429 | UInt bins = 0; |
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| 430 | Int numBins = 0; |
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| 431 | |
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| 432 | while( uiSymbol >= (UInt)(1<<uiCount) ) |
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| 433 | { |
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| 434 | bins = 2 * bins + 1; |
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| 435 | numBins++; |
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| 436 | uiSymbol -= 1 << uiCount; |
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| 437 | uiCount ++; |
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| 438 | } |
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| 439 | bins = 2 * bins + 0; |
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| 440 | numBins++; |
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| 441 | |
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| 442 | bins = (bins << uiCount) | uiSymbol; |
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| 443 | numBins += uiCount; |
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| 444 | |
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| 445 | assert( numBins <= 32 ); |
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| 446 | m_pcBinIf->encodeBinsEP( bins, numBins ); |
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| 447 | } |
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| 448 | #if H_3D_SINGLE_DEPTH |
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| 449 | Void TEncSbac::codeSingleDepthMode( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
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| 450 | { |
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| 451 | UInt uiSymbol = pcCU->getSingleDepthFlag(uiAbsPartIdx ) ? 1 : 0; |
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| 452 | m_pcBinIf->encodeBin( uiSymbol, m_cCUSingleDepthFlagSCModel.get( 0, 0, 0 ) ); |
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| 453 | if(uiSymbol) |
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| 454 | { |
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| 455 | UInt uiUnaryIdx = (UInt) pcCU->getSingleDepthValue(uiAbsPartIdx); |
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| 456 | UInt uiNumCand = SINGLE_DEPTH_MODE_CAND_LIST_SIZE; |
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| 457 | if ( uiNumCand > 1 ) |
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| 458 | { |
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| 459 | for( UInt ui = 0; ui < uiNumCand - 1; ++ui ) |
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| 460 | { |
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| 461 | const UInt uiSymbol2 = ui == uiUnaryIdx ? 0 : 1; |
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| 462 | if ( ui==0 ) |
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| 463 | { |
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| 464 | m_pcBinIf->encodeBin( uiSymbol2, m_cSingleDepthValueSCModel.get( 0, 0, 0 ) ); |
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| 465 | } |
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| 466 | else |
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| 467 | { |
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| 468 | m_pcBinIf->encodeBinEP( uiSymbol2 ); |
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| 469 | } |
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| 470 | if( uiSymbol2 == 0 ) |
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| 471 | { |
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| 472 | break; |
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| 473 | } |
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| 474 | } |
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| 475 | } |
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| 476 | } |
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| 477 | } |
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| 478 | #endif |
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| 479 | /** Coding of coeff_abs_level_minus3 |
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| 480 | * \param uiSymbol value of coeff_abs_level_minus3 |
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| 481 | * \param ruiGoRiceParam reference to Rice parameter |
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| 482 | * \returns Void |
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| 483 | */ |
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| 484 | Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam ) |
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| 485 | { |
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| 486 | Int codeNumber = (Int)symbol; |
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| 487 | UInt length; |
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| 488 | if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam)) |
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| 489 | { |
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| 490 | length = codeNumber>>rParam; |
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| 491 | m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1); |
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| 492 | m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam); |
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| 493 | } |
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| 494 | else |
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| 495 | { |
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| 496 | length = rParam; |
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| 497 | codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam); |
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| 498 | while (codeNumber >= (1<<length)) |
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| 499 | { |
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| 500 | codeNumber -= (1<<(length++)); |
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| 501 | } |
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| 502 | m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam); |
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| 503 | m_pcBinIf->encodeBinsEP(codeNumber,length); |
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| 504 | } |
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| 505 | } |
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| 506 | |
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| 507 | #if H_3D_DIM |
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| 508 | Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel ) |
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| 509 | { |
|---|
| 510 | if( uiSymbol ) |
|---|
| 511 | { |
|---|
| 512 | m_pcBinIf->encodeBin( 1, rcSCModel ); |
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| 513 | UInt uiCount = 0; |
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| 514 | Bool bNoExGo = ( uiSymbol < 3 ); |
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| 515 | |
|---|
| 516 | while( --uiSymbol && ++uiCount < 3 ) |
|---|
| 517 | { |
|---|
| 518 | m_pcBinIf->encodeBin( 1, rcSCModel ); |
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| 519 | } |
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| 520 | if( bNoExGo ) |
|---|
| 521 | { |
|---|
| 522 | m_pcBinIf->encodeBin( 0, rcSCModel ); |
|---|
| 523 | } |
|---|
| 524 | else |
|---|
| 525 | { |
|---|
| 526 | xWriteEpExGolomb( uiSymbol, 0 ); |
|---|
| 527 | } |
|---|
| 528 | } |
|---|
| 529 | else |
|---|
| 530 | { |
|---|
| 531 | m_pcBinIf->encodeBin( 0, rcSCModel ); |
|---|
| 532 | } |
|---|
| 533 | |
|---|
| 534 | return; |
|---|
| 535 | } |
|---|
| 536 | |
|---|
| 537 | Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt uiNumSeg ) |
|---|
| 538 | { |
|---|
| 539 | xWriteExGolombLevel( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ), m_cDdcDataSCModel.get(0, 0, 0) ); |
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| 540 | if( valDeltaDC != 0 ) |
|---|
| 541 | { |
|---|
| 542 | UInt uiSign = valDeltaDC > 0 ? 0 : 1; |
|---|
| 543 | m_pcBinIf->encodeBinEP( uiSign ); |
|---|
| 544 | } |
|---|
| 545 | } |
|---|
| 546 | |
|---|
| 547 | #if H_3D_DIM_DMM |
|---|
| 548 | Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit ) |
|---|
| 549 | { |
|---|
| 550 | for ( Int i = 0; i < iNumBit; i++ ) |
|---|
| 551 | { |
|---|
| 552 | m_pcBinIf->encodeBinEP( ( uiTabIdx >> i ) & 1 ); |
|---|
| 553 | } |
|---|
| 554 | } |
|---|
| 555 | |
|---|
| 556 | #endif |
|---|
| 557 | #endif |
|---|
| 558 | |
|---|
| 559 | |
|---|
| 560 | // SBAC RD |
|---|
| 561 | Void TEncSbac::load ( TEncSbac* pSrc) |
|---|
| 562 | { |
|---|
| 563 | this->xCopyFrom(pSrc); |
|---|
| 564 | } |
|---|
| 565 | |
|---|
| 566 | Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc) |
|---|
| 567 | { |
|---|
| 568 | m_pcBinIf->copyState( pSrc->m_pcBinIf ); |
|---|
| 569 | |
|---|
| 570 | this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel ); |
|---|
| 571 | } |
|---|
| 572 | #if H_3D_DIM |
|---|
| 573 | Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc) |
|---|
| 574 | { |
|---|
| 575 | m_pcBinIf->copyState( pSrc->m_pcBinIf ); |
|---|
| 576 | |
|---|
| 577 | this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel ); |
|---|
| 578 | this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel ); |
|---|
| 579 | this->m_cAngleFlagSCModel .copyFrom( &pSrc->m_cAngleFlagSCModel ); |
|---|
| 580 | } |
|---|
| 581 | #endif |
|---|
| 582 | |
|---|
| 583 | Void TEncSbac::store( TEncSbac* pDest) |
|---|
| 584 | { |
|---|
| 585 | pDest->xCopyFrom( this ); |
|---|
| 586 | } |
|---|
| 587 | |
|---|
| 588 | |
|---|
| 589 | Void TEncSbac::xCopyFrom( TEncSbac* pSrc ) |
|---|
| 590 | { |
|---|
| 591 | m_pcBinIf->copyState( pSrc->m_pcBinIf ); |
|---|
| 592 | |
|---|
| 593 | this->m_uiCoeffCost = pSrc->m_uiCoeffCost; |
|---|
| 594 | this->m_uiLastQp = pSrc->m_uiLastQp; |
|---|
| 595 | |
|---|
| 596 | memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) ); |
|---|
| 597 | } |
|---|
| 598 | |
|---|
| 599 | Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
|---|
| 600 | { |
|---|
| 601 | Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx); |
|---|
| 602 | Int iNum = AMVP_MAX_NUM_CANDS; |
|---|
| 603 | |
|---|
| 604 | xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1); |
|---|
| 605 | #if H_MV_ENC_DEC_TRAC |
|---|
| 606 | #if ENC_DEC_TRACE |
|---|
| 607 | if ( eRefList == REF_PIC_LIST_0 ) |
|---|
| 608 | { |
|---|
| 609 | DTRACE_PU("mvp_l0_flag", iSymbol) |
|---|
| 610 | } |
|---|
| 611 | else |
|---|
| 612 | { |
|---|
| 613 | DTRACE_PU("mvp_l1_flag", iSymbol) |
|---|
| 614 | } |
|---|
| 615 | #endif |
|---|
| 616 | #endif |
|---|
| 617 | } |
|---|
| 618 | |
|---|
| 619 | Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
|---|
| 620 | { |
|---|
| 621 | PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx ); |
|---|
| 622 | #if H_3D_QTLPC |
|---|
| 623 | Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag(); |
|---|
| 624 | TComPic *pcTexture = pcCU->getSlice()->getTexturePic(); |
|---|
| 625 | Bool bDepthMapDetect = (pcTexture != NULL); |
|---|
| 626 | Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE); |
|---|
| 627 | |
|---|
| 628 | 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); |
|---|
| 629 | |
|---|
| 630 | Bool depthDependent = false; |
|---|
| 631 | UInt uiTexturePart = eSize; |
|---|
| 632 | |
|---|
| 633 | #if H_3D_FCO |
|---|
| 634 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark()) |
|---|
| 635 | #else |
|---|
| 636 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag ) |
|---|
| 637 | #endif |
|---|
| 638 | { |
|---|
| 639 | TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr()); |
|---|
| 640 | UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU(); |
|---|
| 641 | assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth); |
|---|
| 642 | if(pcTextureCU->getDepth(uiCUIdx) == uiDepth ) |
|---|
| 643 | { |
|---|
| 644 | depthDependent = true; |
|---|
| 645 | uiTexturePart = pcTextureCU->getPartitionSize( uiCUIdx ); |
|---|
| 646 | } |
|---|
| 647 | if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) == SIZE_2Nx2N) |
|---|
| 648 | { |
|---|
| 649 | assert( eSize == SIZE_2Nx2N ); |
|---|
| 650 | return; |
|---|
| 651 | } |
|---|
| 652 | } |
|---|
| 653 | #endif |
|---|
| 654 | if ( pcCU->isIntra( uiAbsPartIdx ) ) |
|---|
| 655 | { |
|---|
| 656 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
|---|
| 657 | { |
|---|
| 658 | m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) ); |
|---|
| 659 | #if H_MV_ENC_DEC_TRAC |
|---|
| 660 | DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0) |
|---|
| 661 | #endif |
|---|
| 662 | } |
|---|
| 663 | return; |
|---|
| 664 | } |
|---|
| 665 | |
|---|
| 666 | #if H_MV_ENC_DEC_TRAC |
|---|
| 667 | DTRACE_CU("part_mode", eSize ) |
|---|
| 668 | #endif |
|---|
| 669 | #if H_3D_QTLPC |
|---|
| 670 | if (depthDependent==false || uiTexturePart == SIZE_NxN|| uiTexturePart == SIZE_2Nx2N) |
|---|
| 671 | { |
|---|
| 672 | #endif |
|---|
| 673 | switch(eSize) |
|---|
| 674 | { |
|---|
| 675 | case SIZE_2Nx2N: |
|---|
| 676 | { |
|---|
| 677 | m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
|---|
| 678 | break; |
|---|
| 679 | } |
|---|
| 680 | case SIZE_2NxN: |
|---|
| 681 | case SIZE_2NxnU: |
|---|
| 682 | case SIZE_2NxnD: |
|---|
| 683 | { |
|---|
| 684 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
|---|
| 685 | m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) ); |
|---|
| 686 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
|---|
| 687 | { |
|---|
| 688 | if (eSize == SIZE_2NxN) |
|---|
| 689 | { |
|---|
| 690 | m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 )); |
|---|
| 691 | } |
|---|
| 692 | else |
|---|
| 693 | { |
|---|
| 694 | m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 )); |
|---|
| 695 | m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1)); |
|---|
| 696 | } |
|---|
| 697 | } |
|---|
| 698 | break; |
|---|
| 699 | } |
|---|
| 700 | case SIZE_Nx2N: |
|---|
| 701 | case SIZE_nLx2N: |
|---|
| 702 | case SIZE_nRx2N: |
|---|
| 703 | { |
|---|
| 704 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
|---|
| 705 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) ); |
|---|
| 706 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) ) |
|---|
| 707 | { |
|---|
| 708 | m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) ); |
|---|
| 709 | } |
|---|
| 710 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
|---|
| 711 | { |
|---|
| 712 | if (eSize == SIZE_Nx2N) |
|---|
| 713 | { |
|---|
| 714 | m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 )); |
|---|
| 715 | } |
|---|
| 716 | else |
|---|
| 717 | { |
|---|
| 718 | m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 )); |
|---|
| 719 | m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1)); |
|---|
| 720 | } |
|---|
| 721 | } |
|---|
| 722 | break; |
|---|
| 723 | } |
|---|
| 724 | case SIZE_NxN: |
|---|
| 725 | { |
|---|
| 726 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) ) |
|---|
| 727 | { |
|---|
| 728 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
|---|
| 729 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) ); |
|---|
| 730 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) ); |
|---|
| 731 | } |
|---|
| 732 | break; |
|---|
| 733 | } |
|---|
| 734 | default: |
|---|
| 735 | { |
|---|
| 736 | assert(0); |
|---|
| 737 | } |
|---|
| 738 | } |
|---|
| 739 | #if H_3D_QTLPC |
|---|
| 740 | } |
|---|
| 741 | else if(uiTexturePart == SIZE_2NxN || uiTexturePart == SIZE_2NxnU || uiTexturePart == SIZE_2NxnD) |
|---|
| 742 | { |
|---|
| 743 | //assert(eSize!=SIZE_NxN); |
|---|
| 744 | //assert(eSize!=SIZE_Nx2N); |
|---|
| 745 | //assert(eSize==SIZE_2Nx2N || eSize==SIZE_2NxN || eSize==SIZE_2NxnU || eSize==SIZE_2NxnD); |
|---|
| 746 | switch(eSize) |
|---|
| 747 | { |
|---|
| 748 | case SIZE_2Nx2N: |
|---|
| 749 | { |
|---|
| 750 | m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
|---|
| 751 | break; |
|---|
| 752 | } |
|---|
| 753 | case SIZE_2NxN: |
|---|
| 754 | { |
|---|
| 755 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
|---|
| 756 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
|---|
| 757 | { |
|---|
| 758 | m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) ); |
|---|
| 759 | } |
|---|
| 760 | break; |
|---|
| 761 | } |
|---|
| 762 | case SIZE_2NxnU: |
|---|
| 763 | case SIZE_2NxnD: |
|---|
| 764 | { |
|---|
| 765 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
|---|
| 766 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) ); |
|---|
| 767 | m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1)); |
|---|
| 768 | break; |
|---|
| 769 | } |
|---|
| 770 | default: |
|---|
| 771 | { |
|---|
| 772 | assert(0); |
|---|
| 773 | } |
|---|
| 774 | } |
|---|
| 775 | } |
|---|
| 776 | else if(uiTexturePart == SIZE_Nx2N|| uiTexturePart==SIZE_nLx2N || uiTexturePart==SIZE_nRx2N) |
|---|
| 777 | { |
|---|
| 778 | //assert(eSize!=SIZE_NxN); |
|---|
| 779 | //assert(eSize!=SIZE_2NxN); |
|---|
| 780 | //assert(eSize==SIZE_2Nx2N ||eSize==SIZE_Nx2N || eSize==SIZE_nLx2N || eSize==SIZE_nRx2N); |
|---|
| 781 | switch(eSize) |
|---|
| 782 | { |
|---|
| 783 | case SIZE_2Nx2N: |
|---|
| 784 | { |
|---|
| 785 | m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
|---|
| 786 | break; |
|---|
| 787 | } |
|---|
| 788 | case SIZE_Nx2N: |
|---|
| 789 | { |
|---|
| 790 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
|---|
| 791 | if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) ) |
|---|
| 792 | { |
|---|
| 793 | m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) ); |
|---|
| 794 | } |
|---|
| 795 | break; |
|---|
| 796 | } |
|---|
| 797 | case SIZE_nLx2N: |
|---|
| 798 | case SIZE_nRx2N: |
|---|
| 799 | { |
|---|
| 800 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
|---|
| 801 | m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) ); |
|---|
| 802 | m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1)); |
|---|
| 803 | break; |
|---|
| 804 | } |
|---|
| 805 | default: |
|---|
| 806 | { |
|---|
| 807 | assert(0); |
|---|
| 808 | } |
|---|
| 809 | } |
|---|
| 810 | } |
|---|
| 811 | else |
|---|
| 812 | { |
|---|
| 813 | printf("uiTexturePart=%d",uiTexturePart); |
|---|
| 814 | assert(0); |
|---|
| 815 | } |
|---|
| 816 | #endif |
|---|
| 817 | } |
|---|
| 818 | |
|---|
| 819 | /** code prediction mode |
|---|
| 820 | * \param pcCU |
|---|
| 821 | * \param uiAbsPartIdx |
|---|
| 822 | * \returns Void |
|---|
| 823 | */ |
|---|
| 824 | Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 825 | { |
|---|
| 826 | #if H_3D_DIM_SDC |
|---|
| 827 | if ( pcCU->getSlice()->isIntra() ) |
|---|
| 828 | { |
|---|
| 829 | assert( pcCU->isIntra(uiAbsPartIdx) ); |
|---|
| 830 | return; |
|---|
| 831 | } |
|---|
| 832 | #endif |
|---|
| 833 | |
|---|
| 834 | // get context function is here |
|---|
| 835 | Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx ); |
|---|
| 836 | m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) ); |
|---|
| 837 | #if H_MV_ENC_DEC_TRAC |
|---|
| 838 | DTRACE_CU("pred_mode_flag", iPredMode == MODE_INTER ? 0 : 1); |
|---|
| 839 | #endif |
|---|
| 840 | } |
|---|
| 841 | |
|---|
| 842 | Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 843 | { |
|---|
| 844 | UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx); |
|---|
| 845 | m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) ); |
|---|
| 846 | #if H_MV_ENC_DEC_TRAC |
|---|
| 847 | DTRACE_CU("cu_transquant_bypass_flag", uiSymbol); |
|---|
| 848 | #endif |
|---|
| 849 | } |
|---|
| 850 | |
|---|
| 851 | /** code skip flag |
|---|
| 852 | * \param pcCU |
|---|
| 853 | * \param uiAbsPartIdx |
|---|
| 854 | * \returns Void |
|---|
| 855 | */ |
|---|
| 856 | Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 857 | { |
|---|
| 858 | // get context function is here |
|---|
| 859 | UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0; |
|---|
| 860 | UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ; |
|---|
| 861 | m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) ); |
|---|
| 862 | #if !H_MV_ENC_DEC_TRAC |
|---|
| 863 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
|---|
| 864 | DTRACE_CABAC_T( "\tSkipFlag" ); |
|---|
| 865 | DTRACE_CABAC_T( "\tuiCtxSkip: "); |
|---|
| 866 | DTRACE_CABAC_V( uiCtxSkip ); |
|---|
| 867 | DTRACE_CABAC_T( "\tuiSymbol: "); |
|---|
| 868 | DTRACE_CABAC_V( uiSymbol ); |
|---|
| 869 | DTRACE_CABAC_T( "\n"); |
|---|
| 870 | #else |
|---|
| 871 | DTRACE_CU("cu_skip_flag", uiSymbol); |
|---|
| 872 | #endif |
|---|
| 873 | } |
|---|
| 874 | |
|---|
| 875 | /** code merge flag |
|---|
| 876 | * \param pcCU |
|---|
| 877 | * \param uiAbsPartIdx |
|---|
| 878 | * \returns Void |
|---|
| 879 | */ |
|---|
| 880 | Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 881 | { |
|---|
| 882 | const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0; |
|---|
| 883 | m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) ); |
|---|
| 884 | |
|---|
| 885 | #if H_MV_ENC_DEC_TRAC |
|---|
| 886 | DTRACE_PU("merge_flag", uiSymbol); |
|---|
| 887 | #else |
|---|
| 888 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
|---|
| 889 | DTRACE_CABAC_T( "\tMergeFlag: " ); |
|---|
| 890 | DTRACE_CABAC_V( uiSymbol ); |
|---|
| 891 | DTRACE_CABAC_T( "\tAddress: " ); |
|---|
| 892 | DTRACE_CABAC_V( pcCU->getAddr() ); |
|---|
| 893 | DTRACE_CABAC_T( "\tuiAbsPartIdx: " ); |
|---|
| 894 | DTRACE_CABAC_V( uiAbsPartIdx ); |
|---|
| 895 | DTRACE_CABAC_T( "\n" ); |
|---|
| 896 | #endif |
|---|
| 897 | } |
|---|
| 898 | |
|---|
| 899 | /** code merge index |
|---|
| 900 | * \param pcCU |
|---|
| 901 | * \param uiAbsPartIdx |
|---|
| 902 | * \returns Void |
|---|
| 903 | */ |
|---|
| 904 | Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 905 | { |
|---|
| 906 | UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx ); |
|---|
| 907 | UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand(); |
|---|
| 908 | if ( uiNumCand > 1 ) |
|---|
| 909 | { |
|---|
| 910 | for( UInt ui = 0; ui < uiNumCand - 1; ++ui ) |
|---|
| 911 | { |
|---|
| 912 | const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1; |
|---|
| 913 | if ( ui==0 ) |
|---|
| 914 | { |
|---|
| 915 | m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) ); |
|---|
| 916 | } |
|---|
| 917 | else |
|---|
| 918 | { |
|---|
| 919 | m_pcBinIf->encodeBinEP( uiSymbol ); |
|---|
| 920 | } |
|---|
| 921 | if( uiSymbol == 0 ) |
|---|
| 922 | { |
|---|
| 923 | break; |
|---|
| 924 | } |
|---|
| 925 | } |
|---|
| 926 | #if H_MV_ENC_DEC_TRAC |
|---|
| 927 | DTRACE_PU("merge_idx", uiUnaryIdx); |
|---|
| 928 | #endif |
|---|
| 929 | } |
|---|
| 930 | #if !H_MV_ENC_DEC_TRAC |
|---|
| 931 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
|---|
| 932 | DTRACE_CABAC_T( "\tparseMergeIndex()" ); |
|---|
| 933 | DTRACE_CABAC_T( "\tuiMRGIdx= " ); |
|---|
| 934 | DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) ); |
|---|
| 935 | DTRACE_CABAC_T( "\n" ); |
|---|
| 936 | #endif |
|---|
| 937 | } |
|---|
| 938 | |
|---|
| 939 | #if H_3D_ARP |
|---|
| 940 | Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 941 | { |
|---|
| 942 | Int iW = (Int)pcCU->getARPW( uiAbsPartIdx ); |
|---|
| 943 | Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1; |
|---|
| 944 | assert( iMaxW > 0); |
|---|
| 945 | |
|---|
| 946 | Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx); |
|---|
| 947 | Int nBinNum = iW + ( iW != iMaxW ); |
|---|
| 948 | m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) ); |
|---|
| 949 | if( nBinNum > 1 ) |
|---|
| 950 | { |
|---|
| 951 | m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 2 ) ); |
|---|
| 952 | } |
|---|
| 953 | #if H_MV_ENC_DEC_TRAC |
|---|
| 954 | DTRACE_CU("iv_res_pred_weight_idx", iW); |
|---|
| 955 | #endif |
|---|
| 956 | } |
|---|
| 957 | #endif |
|---|
| 958 | |
|---|
| 959 | #if H_3D_IC |
|---|
| 960 | /** code Illumination Compensation flag |
|---|
| 961 | * \param pcCU |
|---|
| 962 | * \param uiAbsPartIdx |
|---|
| 963 | * \returns Void |
|---|
| 964 | */ |
|---|
| 965 | Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 966 | { |
|---|
| 967 | // get context function is here |
|---|
| 968 | UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0; |
|---|
| 969 | m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) ); |
|---|
| 970 | #if !H_MV_ENC_DEC_TRAC |
|---|
| 971 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
|---|
| 972 | DTRACE_CABAC_T( "\tICFlag" ); |
|---|
| 973 | DTRACE_CABAC_T( "\tuiSymbol: "); |
|---|
| 974 | DTRACE_CABAC_V( uiSymbol ); |
|---|
| 975 | DTRACE_CABAC_T( "\n"); |
|---|
| 976 | #else |
|---|
| 977 | DTRACE_CU("ic_flag", uiSymbol ); |
|---|
| 978 | #endif |
|---|
| 979 | } |
|---|
| 980 | #endif |
|---|
| 981 | |
|---|
| 982 | |
|---|
| 983 | Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
|---|
| 984 | { |
|---|
| 985 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
|---|
| 986 | return; |
|---|
| 987 | |
|---|
| 988 | UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ); |
|---|
| 989 | UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0; |
|---|
| 990 | |
|---|
| 991 | assert( uiCtx < 3 ); |
|---|
| 992 | #if H_3D_QTLPC |
|---|
| 993 | Bool bCodeSplitFlag = true; |
|---|
| 994 | |
|---|
| 995 | |
|---|
| 996 | Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag(); |
|---|
| 997 | TComPic *pcTexture = pcCU->getSlice()->getTexturePic(); |
|---|
| 998 | Bool bDepthMapDetect = (pcTexture != NULL); |
|---|
| 999 | Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE); |
|---|
| 1000 | |
|---|
| 1001 | 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); |
|---|
| 1002 | |
|---|
| 1003 | #if H_3D_FCO |
|---|
| 1004 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark() ) |
|---|
| 1005 | #else |
|---|
| 1006 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag ) |
|---|
| 1007 | #endif |
|---|
| 1008 | { |
|---|
| 1009 | TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr()); |
|---|
| 1010 | UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU(); |
|---|
| 1011 | assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth); |
|---|
| 1012 | bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth); |
|---|
| 1013 | } |
|---|
| 1014 | |
|---|
| 1015 | if(!bCodeSplitFlag) |
|---|
| 1016 | { |
|---|
| 1017 | assert(uiCurrSplitFlag == 0); |
|---|
| 1018 | return; |
|---|
| 1019 | } |
|---|
| 1020 | #endif |
|---|
| 1021 | m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) ); |
|---|
| 1022 | #if !H_MV_ENC_DEC_TRAC |
|---|
| 1023 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
|---|
| 1024 | DTRACE_CABAC_T( "\tSplitFlag\n" ) |
|---|
| 1025 | #else |
|---|
| 1026 | DTRACE_CU("split_cu_flag", uiCurrSplitFlag ); |
|---|
| 1027 | #endif |
|---|
| 1028 | return; |
|---|
| 1029 | } |
|---|
| 1030 | |
|---|
| 1031 | Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) |
|---|
| 1032 | { |
|---|
| 1033 | m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) ); |
|---|
| 1034 | #if !H_MV_ENC_DEC_TRAC |
|---|
| 1035 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
|---|
| 1036 | DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" ) |
|---|
| 1037 | DTRACE_CABAC_T( "\tsymbol=" ) |
|---|
| 1038 | DTRACE_CABAC_V( uiSymbol ) |
|---|
| 1039 | DTRACE_CABAC_T( "\tctx=" ) |
|---|
| 1040 | DTRACE_CABAC_V( uiCtx ) |
|---|
| 1041 | DTRACE_CABAC_T( "\n" ) |
|---|
| 1042 | #endif |
|---|
| 1043 | } |
|---|
| 1044 | |
|---|
| 1045 | Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple) |
|---|
| 1046 | { |
|---|
| 1047 | UInt dir[4],j; |
|---|
| 1048 | Int preds[4][3] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}}; |
|---|
| 1049 | Int predNum[4], predIdx[4] ={ -1,-1,-1,-1}; |
|---|
| 1050 | PartSize mode = pcCU->getPartitionSize( absPartIdx ); |
|---|
| 1051 | UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1; |
|---|
| 1052 | UInt partOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2; |
|---|
| 1053 | for (j=0;j<partNum;j++) |
|---|
| 1054 | { |
|---|
| 1055 | dir[j] = pcCU->getLumaIntraDir( absPartIdx+partOffset*j ); |
|---|
| 1056 | #if H_3D_DIM |
|---|
| 1057 | if( pcCU->getSlice()->getIntraSdcWedgeFlag() || pcCU->getSlice()->getIntraContourFlag() ) |
|---|
| 1058 | { |
|---|
| 1059 | codeIntraDepth( pcCU, absPartIdx+partOffset*j ); |
|---|
| 1060 | } |
|---|
| 1061 | if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE ) |
|---|
| 1062 | { |
|---|
| 1063 | #endif |
|---|
| 1064 | predNum[j] = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds[j]); |
|---|
| 1065 | for(UInt i = 0; i < predNum[j]; i++) |
|---|
| 1066 | { |
|---|
| 1067 | if(dir[j] == preds[j][i]) |
|---|
| 1068 | { |
|---|
| 1069 | predIdx[j] = i; |
|---|
| 1070 | } |
|---|
| 1071 | } |
|---|
| 1072 | m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) ); |
|---|
| 1073 | #if H_MV_ENC_DEC_TRAC |
|---|
| 1074 | DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0); |
|---|
| 1075 | #endif |
|---|
| 1076 | #if H_3D_DIM |
|---|
| 1077 | } |
|---|
| 1078 | #endif |
|---|
| 1079 | |
|---|
| 1080 | } |
|---|
| 1081 | for (j=0;j<partNum;j++) |
|---|
| 1082 | { |
|---|
| 1083 | #if H_3D_DIM |
|---|
| 1084 | if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE ) |
|---|
| 1085 | { |
|---|
| 1086 | #endif |
|---|
| 1087 | if(predIdx[j] != -1) |
|---|
| 1088 | { |
|---|
| 1089 | m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 ); |
|---|
| 1090 | if (predIdx[j]) |
|---|
| 1091 | { |
|---|
| 1092 | m_pcBinIf->encodeBinEP( predIdx[j]-1 ); |
|---|
| 1093 | } |
|---|
| 1094 | #if H_MV_ENC_DEC_TRAC |
|---|
| 1095 | DTRACE_CU("mpm_idx", predIdx[j] ); |
|---|
| 1096 | #endif |
|---|
| 1097 | } |
|---|
| 1098 | else |
|---|
| 1099 | { |
|---|
| 1100 | if (preds[j][0] > preds[j][1]) |
|---|
| 1101 | { |
|---|
| 1102 | std::swap(preds[j][0], preds[j][1]); |
|---|
| 1103 | } |
|---|
| 1104 | if (preds[j][0] > preds[j][2]) |
|---|
| 1105 | { |
|---|
| 1106 | std::swap(preds[j][0], preds[j][2]); |
|---|
| 1107 | } |
|---|
| 1108 | if (preds[j][1] > preds[j][2]) |
|---|
| 1109 | { |
|---|
| 1110 | std::swap(preds[j][1], preds[j][2]); |
|---|
| 1111 | } |
|---|
| 1112 | for(Int i = (predNum[j] - 1); i >= 0; i--) |
|---|
| 1113 | { |
|---|
| 1114 | dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j]; |
|---|
| 1115 | } |
|---|
| 1116 | m_pcBinIf->encodeBinsEP( dir[j], 5 ); |
|---|
| 1117 | #if H_MV_ENC_DEC_TRAC |
|---|
| 1118 | DTRACE_CU("rem_intra_luma_pred_mode", dir[j] ); |
|---|
| 1119 | #endif |
|---|
| 1120 | } |
|---|
| 1121 | #if H_3D_DIM |
|---|
| 1122 | } |
|---|
| 1123 | #endif |
|---|
| 1124 | } |
|---|
| 1125 | return; |
|---|
| 1126 | } |
|---|
| 1127 | |
|---|
| 1128 | Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 1129 | { |
|---|
| 1130 | UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx ); |
|---|
| 1131 | |
|---|
| 1132 | if( uiIntraDirChroma == DM_CHROMA_IDX ) |
|---|
| 1133 | { |
|---|
| 1134 | m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) ); |
|---|
| 1135 | #if H_MV_ENC_DEC_TRAC |
|---|
| 1136 | DTRACE_CU("intra_chroma_pred_mode", 0 ); |
|---|
| 1137 | #endif |
|---|
| 1138 | } |
|---|
| 1139 | else |
|---|
| 1140 | { |
|---|
| 1141 | UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ]; |
|---|
| 1142 | pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir ); |
|---|
| 1143 | |
|---|
| 1144 | for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ ) |
|---|
| 1145 | { |
|---|
| 1146 | if( uiIntraDirChroma == uiAllowedChromaDir[i] ) |
|---|
| 1147 | { |
|---|
| 1148 | uiIntraDirChroma = i; |
|---|
| 1149 | break; |
|---|
| 1150 | } |
|---|
| 1151 | } |
|---|
| 1152 | m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) ); |
|---|
| 1153 | |
|---|
| 1154 | m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 ); |
|---|
| 1155 | #if H_MV_ENC_DEC_TRAC |
|---|
| 1156 | DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma ); |
|---|
| 1157 | #endif |
|---|
| 1158 | |
|---|
| 1159 | } |
|---|
| 1160 | return; |
|---|
| 1161 | } |
|---|
| 1162 | |
|---|
| 1163 | #if H_3D_DIM |
|---|
| 1164 | Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx ) |
|---|
| 1165 | { |
|---|
| 1166 | codeIntraDepthMode( pcCU, absPartIdx ); |
|---|
| 1167 | |
|---|
| 1168 | UInt dir = pcCU->getLumaIntraDir( absPartIdx ); |
|---|
| 1169 | UInt dimType = getDimType( dir ); |
|---|
| 1170 | |
|---|
| 1171 | switch( dimType ) |
|---|
| 1172 | { |
|---|
| 1173 | #if H_3D_DIM_DMM |
|---|
| 1174 | case( DMM1_IDX ): |
|---|
| 1175 | { |
|---|
| 1176 | xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] ); |
|---|
| 1177 | } break; |
|---|
| 1178 | case( DMM4_IDX ): break; |
|---|
| 1179 | #endif |
|---|
| 1180 | default: break; |
|---|
| 1181 | } |
|---|
| 1182 | } |
|---|
| 1183 | |
|---|
| 1184 | Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx ) |
|---|
| 1185 | { |
|---|
| 1186 | UInt dir = pcCU->getLumaIntraDir( absPartIdx ); |
|---|
| 1187 | |
|---|
| 1188 | if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed |
|---|
| 1189 | { |
|---|
| 1190 | m_pcBinIf->encodeBin( isDimMode( dir ) ? 0 : 1, m_cAngleFlagSCModel.get( 0, 0, 0 ) ); |
|---|
| 1191 | } |
|---|
| 1192 | if( isDimMode( dir ) ) |
|---|
| 1193 | { |
|---|
| 1194 | UInt uiCodeIdx = 0; |
|---|
| 1195 | |
|---|
| 1196 | switch( getDimType( dir ) ) |
|---|
| 1197 | { |
|---|
| 1198 | case DMM1_IDX: uiCodeIdx = 0; break; |
|---|
| 1199 | case DMM4_IDX: uiCodeIdx = 1; break; |
|---|
| 1200 | default: break; |
|---|
| 1201 | } |
|---|
| 1202 | //mode coding |
|---|
| 1203 | if( pcCU->getSlice()->getIntraSdcWedgeFlag() && pcCU->getSlice()->getIntraContourFlag()) |
|---|
| 1204 | { |
|---|
| 1205 | m_pcBinIf->encodeBin( uiCodeIdx == 0 ? 0 : 1, m_cDepthIntraModeSCModel.get( 0, 0, 0 ) ); |
|---|
| 1206 | } |
|---|
| 1207 | } |
|---|
| 1208 | } |
|---|
| 1209 | #endif |
|---|
| 1210 | |
|---|
| 1211 | |
|---|
| 1212 | Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 1213 | { |
|---|
| 1214 | const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1; |
|---|
| 1215 | const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx ); |
|---|
| 1216 | ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 ); |
|---|
| 1217 | if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N || pcCU->getHeight(uiAbsPartIdx) != 8 ) |
|---|
| 1218 | { |
|---|
| 1219 | m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) ); |
|---|
| 1220 | } |
|---|
| 1221 | if (uiInterDir < 2) |
|---|
| 1222 | { |
|---|
| 1223 | m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) ); |
|---|
| 1224 | } |
|---|
| 1225 | #if H_MV_ENC_DEC_TRAC |
|---|
| 1226 | DTRACE_PU("inter_pred_idc", uiInterDir ); |
|---|
| 1227 | #endif |
|---|
| 1228 | |
|---|
| 1229 | return; |
|---|
| 1230 | } |
|---|
| 1231 | |
|---|
| 1232 | Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
|---|
| 1233 | { |
|---|
| 1234 | { |
|---|
| 1235 | Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ); |
|---|
| 1236 | ContextModel *pCtx = m_cCURefPicSCModel.get( 0 ); |
|---|
| 1237 | m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx ); |
|---|
| 1238 | |
|---|
| 1239 | if( iRefFrame > 0 ) |
|---|
| 1240 | { |
|---|
| 1241 | UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2; |
|---|
| 1242 | pCtx++; |
|---|
| 1243 | iRefFrame--; |
|---|
| 1244 | for( UInt ui = 0; ui < uiRefNum; ++ui ) |
|---|
| 1245 | { |
|---|
| 1246 | const UInt uiSymbol = ui == iRefFrame ? 0 : 1; |
|---|
| 1247 | if( ui == 0 ) |
|---|
| 1248 | { |
|---|
| 1249 | m_pcBinIf->encodeBin( uiSymbol, *pCtx ); |
|---|
| 1250 | } |
|---|
| 1251 | else |
|---|
| 1252 | { |
|---|
| 1253 | m_pcBinIf->encodeBinEP( uiSymbol ); |
|---|
| 1254 | } |
|---|
| 1255 | if( uiSymbol == 0 ) |
|---|
| 1256 | { |
|---|
| 1257 | break; |
|---|
| 1258 | } |
|---|
| 1259 | } |
|---|
| 1260 | } |
|---|
| 1261 | #if H_MV_ENC_DEC_TRAC |
|---|
| 1262 | #if ENC_DEC_TRACE |
|---|
| 1263 | iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ); |
|---|
| 1264 | if ( eRefList == REF_PIC_LIST_0 ) |
|---|
| 1265 | { |
|---|
| 1266 | DTRACE_PU("ref_idx_l0", iRefFrame) |
|---|
| 1267 | } |
|---|
| 1268 | else |
|---|
| 1269 | { |
|---|
| 1270 | DTRACE_PU("ref_idx_l1", iRefFrame) |
|---|
| 1271 | } |
|---|
| 1272 | #endif |
|---|
| 1273 | #endif |
|---|
| 1274 | } |
|---|
| 1275 | return; |
|---|
| 1276 | } |
|---|
| 1277 | |
|---|
| 1278 | Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
|---|
| 1279 | { |
|---|
| 1280 | if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3) |
|---|
| 1281 | { |
|---|
| 1282 | return; |
|---|
| 1283 | } |
|---|
| 1284 | |
|---|
| 1285 | const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList ); |
|---|
| 1286 | const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor(); |
|---|
| 1287 | const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer(); |
|---|
| 1288 | ContextModel* pCtx = m_cCUMvdSCModel.get( 0 ); |
|---|
| 1289 | |
|---|
| 1290 | m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx ); |
|---|
| 1291 | m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx ); |
|---|
| 1292 | |
|---|
| 1293 | const Bool bHorAbsGr0 = iHor != 0; |
|---|
| 1294 | const Bool bVerAbsGr0 = iVer != 0; |
|---|
| 1295 | const UInt uiHorAbs = 0 > iHor ? -iHor : iHor; |
|---|
| 1296 | const UInt uiVerAbs = 0 > iVer ? -iVer : iVer; |
|---|
| 1297 | pCtx++; |
|---|
| 1298 | |
|---|
| 1299 | if( bHorAbsGr0 ) |
|---|
| 1300 | { |
|---|
| 1301 | m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx ); |
|---|
| 1302 | } |
|---|
| 1303 | |
|---|
| 1304 | if( bVerAbsGr0 ) |
|---|
| 1305 | { |
|---|
| 1306 | m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx ); |
|---|
| 1307 | } |
|---|
| 1308 | |
|---|
| 1309 | if( bHorAbsGr0 ) |
|---|
| 1310 | { |
|---|
| 1311 | if( uiHorAbs > 1 ) |
|---|
| 1312 | { |
|---|
| 1313 | xWriteEpExGolomb( uiHorAbs-2, 1 ); |
|---|
| 1314 | } |
|---|
| 1315 | |
|---|
| 1316 | m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 ); |
|---|
| 1317 | } |
|---|
| 1318 | |
|---|
| 1319 | if( bVerAbsGr0 ) |
|---|
| 1320 | { |
|---|
| 1321 | if( uiVerAbs > 1 ) |
|---|
| 1322 | { |
|---|
| 1323 | xWriteEpExGolomb( uiVerAbs-2, 1 ); |
|---|
| 1324 | } |
|---|
| 1325 | |
|---|
| 1326 | m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 ); |
|---|
| 1327 | } |
|---|
| 1328 | |
|---|
| 1329 | return; |
|---|
| 1330 | } |
|---|
| 1331 | |
|---|
| 1332 | Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 1333 | { |
|---|
| 1334 | Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx ); |
|---|
| 1335 | |
|---|
| 1336 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); |
|---|
| 1337 | iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2); |
|---|
| 1338 | |
|---|
| 1339 | UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp)); |
|---|
| 1340 | UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX); |
|---|
| 1341 | xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX); |
|---|
| 1342 | if( uiAbsDQp >= CU_DQP_TU_CMAX ) |
|---|
| 1343 | { |
|---|
| 1344 | xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k ); |
|---|
| 1345 | } |
|---|
| 1346 | |
|---|
| 1347 | if ( uiAbsDQp > 0) |
|---|
| 1348 | { |
|---|
| 1349 | UInt uiSign = (iDQp > 0 ? 0 : 1); |
|---|
| 1350 | m_pcBinIf->encodeBinEP(uiSign); |
|---|
| 1351 | } |
|---|
| 1352 | |
|---|
| 1353 | return; |
|---|
| 1354 | } |
|---|
| 1355 | |
|---|
| 1356 | Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ) |
|---|
| 1357 | { |
|---|
| 1358 | UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth ); |
|---|
| 1359 | UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth ); |
|---|
| 1360 | m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) ); |
|---|
| 1361 | #if !H_MV_ENC_DEC_TRAC |
|---|
| 1362 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
|---|
| 1363 | DTRACE_CABAC_T( "\tparseQtCbf()" ) |
|---|
| 1364 | DTRACE_CABAC_T( "\tsymbol=" ) |
|---|
| 1365 | DTRACE_CABAC_V( uiCbf ) |
|---|
| 1366 | DTRACE_CABAC_T( "\tctx=" ) |
|---|
| 1367 | DTRACE_CABAC_V( uiCtx ) |
|---|
| 1368 | DTRACE_CABAC_T( "\tetype=" ) |
|---|
| 1369 | DTRACE_CABAC_V( eType ) |
|---|
| 1370 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
|---|
| 1371 | DTRACE_CABAC_V( uiAbsPartIdx ) |
|---|
| 1372 | DTRACE_CABAC_T( "\n" ) |
|---|
| 1373 | #endif |
|---|
| 1374 | } |
|---|
| 1375 | |
|---|
| 1376 | void TEncSbac::codeTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType ) |
|---|
| 1377 | { |
|---|
| 1378 | if (pcCU->getCUTransquantBypass(uiAbsPartIdx)) |
|---|
| 1379 | { |
|---|
| 1380 | return; |
|---|
| 1381 | } |
|---|
| 1382 | if(width != 4 || height != 4) |
|---|
| 1383 | { |
|---|
| 1384 | return; |
|---|
| 1385 | } |
|---|
| 1386 | |
|---|
| 1387 | UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,eTType); |
|---|
| 1388 | m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, eTType? TEXT_CHROMA: TEXT_LUMA, 0 ) ); |
|---|
| 1389 | #if !H_MV_ENC_DEC_TRAC |
|---|
| 1390 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
|---|
| 1391 | DTRACE_CABAC_T("\tparseTransformSkip()"); |
|---|
| 1392 | DTRACE_CABAC_T( "\tsymbol=" ) |
|---|
| 1393 | DTRACE_CABAC_V( useTransformSkip ) |
|---|
| 1394 | DTRACE_CABAC_T( "\tAddr=" ) |
|---|
| 1395 | DTRACE_CABAC_V( pcCU->getAddr() ) |
|---|
| 1396 | DTRACE_CABAC_T( "\tetype=" ) |
|---|
| 1397 | DTRACE_CABAC_V( eTType ) |
|---|
| 1398 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
|---|
| 1399 | DTRACE_CABAC_V( uiAbsPartIdx ) |
|---|
| 1400 | DTRACE_CABAC_T( "\n" ) |
|---|
| 1401 | #endif |
|---|
| 1402 | } |
|---|
| 1403 | |
|---|
| 1404 | /** Code I_PCM information. |
|---|
| 1405 | * \param pcCU pointer to CU |
|---|
| 1406 | * \param uiAbsPartIdx CU index |
|---|
| 1407 | * \returns Void |
|---|
| 1408 | */ |
|---|
| 1409 | Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 1410 | { |
|---|
| 1411 | UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0; |
|---|
| 1412 | |
|---|
| 1413 | Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx); |
|---|
| 1414 | |
|---|
| 1415 | m_pcBinIf->encodeBinTrm (uiIPCM); |
|---|
| 1416 | #if H_MV_ENC_DEC_TRAC |
|---|
| 1417 | DTRACE_CU("pcm_flag", uiIPCM) |
|---|
| 1418 | #endif |
|---|
| 1419 | if (writePCMSampleFlag) |
|---|
| 1420 | { |
|---|
| 1421 | m_pcBinIf->encodePCMAlignBits(); |
|---|
| 1422 | |
|---|
| 1423 | UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight(); |
|---|
| 1424 | UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx; |
|---|
| 1425 | UInt uiChromaOffset = uiLumaOffset>>2; |
|---|
| 1426 | Pel* piPCMSample; |
|---|
| 1427 | UInt uiWidth; |
|---|
| 1428 | UInt uiHeight; |
|---|
| 1429 | UInt uiSampleBits; |
|---|
| 1430 | UInt uiX, uiY; |
|---|
| 1431 | |
|---|
| 1432 | piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset; |
|---|
| 1433 | uiWidth = pcCU->getWidth(uiAbsPartIdx); |
|---|
| 1434 | uiHeight = pcCU->getHeight(uiAbsPartIdx); |
|---|
| 1435 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma(); |
|---|
| 1436 | |
|---|
| 1437 | for(uiY = 0; uiY < uiHeight; uiY++) |
|---|
| 1438 | { |
|---|
| 1439 | for(uiX = 0; uiX < uiWidth; uiX++) |
|---|
| 1440 | { |
|---|
| 1441 | UInt uiSample = piPCMSample[uiX]; |
|---|
| 1442 | |
|---|
| 1443 | m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits); |
|---|
| 1444 | } |
|---|
| 1445 | piPCMSample += uiWidth; |
|---|
| 1446 | } |
|---|
| 1447 | |
|---|
| 1448 | piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset; |
|---|
| 1449 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
|---|
| 1450 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
|---|
| 1451 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
|---|
| 1452 | |
|---|
| 1453 | for(uiY = 0; uiY < uiHeight; uiY++) |
|---|
| 1454 | { |
|---|
| 1455 | for(uiX = 0; uiX < uiWidth; uiX++) |
|---|
| 1456 | { |
|---|
| 1457 | UInt uiSample = piPCMSample[uiX]; |
|---|
| 1458 | |
|---|
| 1459 | m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits); |
|---|
| 1460 | } |
|---|
| 1461 | piPCMSample += uiWidth; |
|---|
| 1462 | } |
|---|
| 1463 | |
|---|
| 1464 | piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset; |
|---|
| 1465 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
|---|
| 1466 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
|---|
| 1467 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
|---|
| 1468 | |
|---|
| 1469 | for(uiY = 0; uiY < uiHeight; uiY++) |
|---|
| 1470 | { |
|---|
| 1471 | for(uiX = 0; uiX < uiWidth; uiX++) |
|---|
| 1472 | { |
|---|
| 1473 | UInt uiSample = piPCMSample[uiX]; |
|---|
| 1474 | |
|---|
| 1475 | m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits); |
|---|
| 1476 | } |
|---|
| 1477 | piPCMSample += uiWidth; |
|---|
| 1478 | } |
|---|
| 1479 | m_pcBinIf->resetBac(); |
|---|
| 1480 | } |
|---|
| 1481 | } |
|---|
| 1482 | |
|---|
| 1483 | Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 1484 | { |
|---|
| 1485 | UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx ); |
|---|
| 1486 | UInt uiCtx = 0; |
|---|
| 1487 | m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) ); |
|---|
| 1488 | #if !H_MV_ENC_DEC_TRAC |
|---|
| 1489 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
|---|
| 1490 | DTRACE_CABAC_T( "\tparseQtRootCbf()" ) |
|---|
| 1491 | DTRACE_CABAC_T( "\tsymbol=" ) |
|---|
| 1492 | DTRACE_CABAC_V( uiCbf ) |
|---|
| 1493 | DTRACE_CABAC_T( "\tctx=" ) |
|---|
| 1494 | DTRACE_CABAC_V( uiCtx ) |
|---|
| 1495 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
|---|
| 1496 | DTRACE_CABAC_V( uiAbsPartIdx ) |
|---|
| 1497 | DTRACE_CABAC_T( "\n" ) |
|---|
| 1498 | #else |
|---|
| 1499 | DTRACE_CU( "rqt_root_cbf", uiCbf ) |
|---|
| 1500 | #endif |
|---|
| 1501 | } |
|---|
| 1502 | |
|---|
| 1503 | Void TEncSbac::codeQtCbfZero( TComDataCU* pcCU, TextType eType, UInt uiTrDepth ) |
|---|
| 1504 | { |
|---|
| 1505 | // this function is only used to estimate the bits when cbf is 0 |
|---|
| 1506 | // and will never be called when writing the bistream. do not need to write log |
|---|
| 1507 | UInt uiCbf = 0; |
|---|
| 1508 | UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth ); |
|---|
| 1509 | m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) ); |
|---|
| 1510 | } |
|---|
| 1511 | |
|---|
| 1512 | Void TEncSbac::codeQtRootCbfZero( TComDataCU* pcCU ) |
|---|
| 1513 | { |
|---|
| 1514 | // this function is only used to estimate the bits when cbf is 0 |
|---|
| 1515 | // and will never be called when writing the bistream. do not need to write log |
|---|
| 1516 | UInt uiCbf = 0; |
|---|
| 1517 | UInt uiCtx = 0; |
|---|
| 1518 | m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) ); |
|---|
| 1519 | } |
|---|
| 1520 | |
|---|
| 1521 | /** Encode (X,Y) position of the last significant coefficient |
|---|
| 1522 | * \param uiPosX X component of last coefficient |
|---|
| 1523 | * \param uiPosY Y component of last coefficient |
|---|
| 1524 | * \param width Block width |
|---|
| 1525 | * \param height Block height |
|---|
| 1526 | * \param eTType plane type / luminance or chrominance |
|---|
| 1527 | * \param uiScanIdx scan type (zig-zag, hor, ver) |
|---|
| 1528 | * This method encodes the X and Y component within a block of the last significant coefficient. |
|---|
| 1529 | */ |
|---|
| 1530 | Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx ) |
|---|
| 1531 | { |
|---|
| 1532 | // swap |
|---|
| 1533 | if( uiScanIdx == SCAN_VER ) |
|---|
| 1534 | { |
|---|
| 1535 | swap( uiPosX, uiPosY ); |
|---|
| 1536 | } |
|---|
| 1537 | |
|---|
| 1538 | UInt uiCtxLast; |
|---|
| 1539 | ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType ); |
|---|
| 1540 | ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType ); |
|---|
| 1541 | UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ]; |
|---|
| 1542 | UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ]; |
|---|
| 1543 | |
|---|
| 1544 | |
|---|
| 1545 | Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY; |
|---|
| 1546 | blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2)); |
|---|
| 1547 | blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2)); |
|---|
| 1548 | shiftX= eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2); |
|---|
| 1549 | shiftY= eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2); |
|---|
| 1550 | // posX |
|---|
| 1551 | for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ ) |
|---|
| 1552 | { |
|---|
| 1553 | m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) ); |
|---|
| 1554 | } |
|---|
| 1555 | if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ]) |
|---|
| 1556 | { |
|---|
| 1557 | m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) ); |
|---|
| 1558 | } |
|---|
| 1559 | |
|---|
| 1560 | // posY |
|---|
| 1561 | for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ ) |
|---|
| 1562 | { |
|---|
| 1563 | m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) ); |
|---|
| 1564 | } |
|---|
| 1565 | if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ]) |
|---|
| 1566 | { |
|---|
| 1567 | m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) ); |
|---|
| 1568 | } |
|---|
| 1569 | if ( uiGroupIdxX > 3 ) |
|---|
| 1570 | { |
|---|
| 1571 | UInt uiCount = ( uiGroupIdxX - 2 ) >> 1; |
|---|
| 1572 | uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ]; |
|---|
| 1573 | for (Int i = uiCount - 1 ; i >= 0; i-- ) |
|---|
| 1574 | { |
|---|
| 1575 | m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 ); |
|---|
| 1576 | } |
|---|
| 1577 | } |
|---|
| 1578 | if ( uiGroupIdxY > 3 ) |
|---|
| 1579 | { |
|---|
| 1580 | UInt uiCount = ( uiGroupIdxY - 2 ) >> 1; |
|---|
| 1581 | uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ]; |
|---|
| 1582 | for ( Int i = uiCount - 1 ; i >= 0; i-- ) |
|---|
| 1583 | { |
|---|
| 1584 | m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 ); |
|---|
| 1585 | } |
|---|
| 1586 | } |
|---|
| 1587 | } |
|---|
| 1588 | |
|---|
| 1589 | Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) |
|---|
| 1590 | { |
|---|
| 1591 | #if !H_MV_ENC_DEC_TRAC |
|---|
| 1592 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
|---|
| 1593 | DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" ) |
|---|
| 1594 | DTRACE_CABAC_V( eTType ) |
|---|
| 1595 | DTRACE_CABAC_T( "\twidth=" ) |
|---|
| 1596 | DTRACE_CABAC_V( uiWidth ) |
|---|
| 1597 | DTRACE_CABAC_T( "\theight=" ) |
|---|
| 1598 | DTRACE_CABAC_V( uiHeight ) |
|---|
| 1599 | DTRACE_CABAC_T( "\tdepth=" ) |
|---|
| 1600 | DTRACE_CABAC_V( uiDepth ) |
|---|
| 1601 | DTRACE_CABAC_T( "\tabspartidx=" ) |
|---|
| 1602 | DTRACE_CABAC_V( uiAbsPartIdx ) |
|---|
| 1603 | DTRACE_CABAC_T( "\ttoCU-X=" ) |
|---|
| 1604 | DTRACE_CABAC_V( pcCU->getCUPelX() ) |
|---|
| 1605 | DTRACE_CABAC_T( "\ttoCU-Y=" ) |
|---|
| 1606 | DTRACE_CABAC_V( pcCU->getCUPelY() ) |
|---|
| 1607 | DTRACE_CABAC_T( "\tCU-addr=" ) |
|---|
| 1608 | DTRACE_CABAC_V( pcCU->getAddr() ) |
|---|
| 1609 | DTRACE_CABAC_T( "\tinCU-X=" ) |
|---|
| 1610 | DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
|---|
| 1611 | DTRACE_CABAC_T( "\tinCU-Y=" ) |
|---|
| 1612 | DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
|---|
| 1613 | DTRACE_CABAC_T( "\tpredmode=" ) |
|---|
| 1614 | DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) ) |
|---|
| 1615 | DTRACE_CABAC_T( "\n" ) |
|---|
| 1616 | #endif |
|---|
| 1617 | if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() ) |
|---|
| 1618 | { |
|---|
| 1619 | uiWidth = m_pcSlice->getSPS()->getMaxTrSize(); |
|---|
| 1620 | uiHeight = m_pcSlice->getSPS()->getMaxTrSize(); |
|---|
| 1621 | } |
|---|
| 1622 | |
|---|
| 1623 | UInt uiNumSig = 0; |
|---|
| 1624 | |
|---|
| 1625 | // compute number of significant coefficients |
|---|
| 1626 | uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight); |
|---|
| 1627 | |
|---|
| 1628 | if ( uiNumSig == 0 ) |
|---|
| 1629 | return; |
|---|
| 1630 | if(pcCU->getSlice()->getPPS()->getUseTransformSkip()) |
|---|
| 1631 | { |
|---|
| 1632 | codeTransformSkipFlags( pcCU,uiAbsPartIdx, uiWidth, uiHeight, eTType ); |
|---|
| 1633 | } |
|---|
| 1634 | eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA ); |
|---|
| 1635 | |
|---|
| 1636 | //----- encode significance map ----- |
|---|
| 1637 | const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2; |
|---|
| 1638 | UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx)); |
|---|
| 1639 | const UInt *scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ]; |
|---|
| 1640 | |
|---|
| 1641 | Bool beValid; |
|---|
| 1642 | if (pcCU->getCUTransquantBypass(uiAbsPartIdx)) |
|---|
| 1643 | { |
|---|
| 1644 | beValid = false; |
|---|
| 1645 | } |
|---|
| 1646 | else |
|---|
| 1647 | { |
|---|
| 1648 | beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0; |
|---|
| 1649 | } |
|---|
| 1650 | |
|---|
| 1651 | // Find position of last coefficient |
|---|
| 1652 | Int scanPosLast = -1; |
|---|
| 1653 | Int posLast; |
|---|
| 1654 | |
|---|
| 1655 | const UInt * scanCG; |
|---|
| 1656 | { |
|---|
| 1657 | scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ]; |
|---|
| 1658 | if( uiLog2BlockSize == 3 ) |
|---|
| 1659 | { |
|---|
| 1660 | scanCG = g_sigLastScan8x8[ uiScanIdx ]; |
|---|
| 1661 | } |
|---|
| 1662 | else if( uiLog2BlockSize == 5 ) |
|---|
| 1663 | { |
|---|
| 1664 | scanCG = g_sigLastScanCG32x32; |
|---|
| 1665 | } |
|---|
| 1666 | } |
|---|
| 1667 | UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ]; |
|---|
| 1668 | static const UInt uiShift = MLS_CG_SIZE >> 1; |
|---|
| 1669 | const UInt uiNumBlkSide = uiWidth >> uiShift; |
|---|
| 1670 | |
|---|
| 1671 | ::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM ); |
|---|
| 1672 | |
|---|
| 1673 | do |
|---|
| 1674 | { |
|---|
| 1675 | posLast = scan[ ++scanPosLast ]; |
|---|
| 1676 | |
|---|
| 1677 | // get L1 sig map |
|---|
| 1678 | UInt uiPosY = posLast >> uiLog2BlockSize; |
|---|
| 1679 | UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize ); |
|---|
| 1680 | UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift); |
|---|
| 1681 | if( pcCoef[ posLast ] ) |
|---|
| 1682 | { |
|---|
| 1683 | uiSigCoeffGroupFlag[ uiBlkIdx ] = 1; |
|---|
| 1684 | } |
|---|
| 1685 | |
|---|
| 1686 | uiNumSig -= ( pcCoef[ posLast ] != 0 ); |
|---|
| 1687 | } |
|---|
| 1688 | while ( uiNumSig > 0 ); |
|---|
| 1689 | |
|---|
| 1690 | // Code position of last coefficient |
|---|
| 1691 | Int posLastY = posLast >> uiLog2BlockSize; |
|---|
| 1692 | Int posLastX = posLast - ( posLastY << uiLog2BlockSize ); |
|---|
| 1693 | codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx); |
|---|
| 1694 | |
|---|
| 1695 | //===== code significance flag ===== |
|---|
| 1696 | ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType ); |
|---|
| 1697 | ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA; |
|---|
| 1698 | |
|---|
| 1699 | |
|---|
| 1700 | const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE; |
|---|
| 1701 | UInt c1 = 1; |
|---|
| 1702 | UInt uiGoRiceParam = 0; |
|---|
| 1703 | Int iScanPosSig = scanPosLast; |
|---|
| 1704 | |
|---|
| 1705 | for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- ) |
|---|
| 1706 | { |
|---|
| 1707 | Int numNonZero = 0; |
|---|
| 1708 | Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE; |
|---|
| 1709 | uiGoRiceParam = 0; |
|---|
| 1710 | Int absCoeff[16]; |
|---|
| 1711 | UInt coeffSigns = 0; |
|---|
| 1712 | |
|---|
| 1713 | Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE; |
|---|
| 1714 | |
|---|
| 1715 | if( iScanPosSig == scanPosLast ) |
|---|
| 1716 | { |
|---|
| 1717 | absCoeff[ 0 ] = abs( pcCoef[ posLast ] ); |
|---|
| 1718 | coeffSigns = ( pcCoef[ posLast ] < 0 ); |
|---|
| 1719 | numNonZero = 1; |
|---|
| 1720 | lastNZPosInCG = iScanPosSig; |
|---|
| 1721 | firstNZPosInCG = iScanPosSig; |
|---|
| 1722 | iScanPosSig--; |
|---|
| 1723 | } |
|---|
| 1724 | |
|---|
| 1725 | // encode significant_coeffgroup_flag |
|---|
| 1726 | Int iCGBlkPos = scanCG[ iSubSet ]; |
|---|
| 1727 | Int iCGPosY = iCGBlkPos / uiNumBlkSide; |
|---|
| 1728 | Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide); |
|---|
| 1729 | if( iSubSet == iLastScanSet || iSubSet == 0) |
|---|
| 1730 | { |
|---|
| 1731 | uiSigCoeffGroupFlag[ iCGBlkPos ] = 1; |
|---|
| 1732 | } |
|---|
| 1733 | else |
|---|
| 1734 | { |
|---|
| 1735 | UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0); |
|---|
| 1736 | UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ); |
|---|
| 1737 | m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] ); |
|---|
| 1738 | } |
|---|
| 1739 | |
|---|
| 1740 | // encode significant_coeff_flag |
|---|
| 1741 | if( uiSigCoeffGroupFlag[ iCGBlkPos ] ) |
|---|
| 1742 | { |
|---|
| 1743 | Int patternSigCtx = TComTrQuant::calcPatternSigCtx( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ); |
|---|
| 1744 | UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig; |
|---|
| 1745 | for( ; iScanPosSig >= iSubPos; iScanPosSig-- ) |
|---|
| 1746 | { |
|---|
| 1747 | uiBlkPos = scan[ iScanPosSig ]; |
|---|
| 1748 | uiPosY = uiBlkPos >> uiLog2BlockSize; |
|---|
| 1749 | uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize ); |
|---|
| 1750 | uiSig = (pcCoef[ uiBlkPos ] != 0); |
|---|
| 1751 | if( iScanPosSig > iSubPos || iSubSet == 0 || numNonZero ) |
|---|
| 1752 | { |
|---|
| 1753 | uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, uiScanIdx, uiPosX, uiPosY, uiLog2BlockSize, eTType ); |
|---|
| 1754 | m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] ); |
|---|
| 1755 | } |
|---|
| 1756 | if( uiSig ) |
|---|
| 1757 | { |
|---|
| 1758 | absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] ); |
|---|
| 1759 | coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 ); |
|---|
| 1760 | numNonZero++; |
|---|
| 1761 | if( lastNZPosInCG == -1 ) |
|---|
| 1762 | { |
|---|
| 1763 | lastNZPosInCG = iScanPosSig; |
|---|
| 1764 | } |
|---|
| 1765 | firstNZPosInCG = iScanPosSig; |
|---|
| 1766 | } |
|---|
| 1767 | } |
|---|
| 1768 | } |
|---|
| 1769 | else |
|---|
| 1770 | { |
|---|
| 1771 | iScanPosSig = iSubPos - 1; |
|---|
| 1772 | } |
|---|
| 1773 | |
|---|
| 1774 | if( numNonZero > 0 ) |
|---|
| 1775 | { |
|---|
| 1776 | Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD ); |
|---|
| 1777 | UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0; |
|---|
| 1778 | |
|---|
| 1779 | if( c1 == 0 ) |
|---|
| 1780 | { |
|---|
| 1781 | uiCtxSet++; |
|---|
| 1782 | } |
|---|
| 1783 | c1 = 1; |
|---|
| 1784 | ContextModel *baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 * uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet; |
|---|
| 1785 | |
|---|
| 1786 | Int numC1Flag = min(numNonZero, C1FLAG_NUMBER); |
|---|
| 1787 | Int firstC2FlagIdx = -1; |
|---|
| 1788 | for( Int idx = 0; idx < numC1Flag; idx++ ) |
|---|
| 1789 | { |
|---|
| 1790 | UInt uiSymbol = absCoeff[ idx ] > 1; |
|---|
| 1791 | m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] ); |
|---|
| 1792 | if( uiSymbol ) |
|---|
| 1793 | { |
|---|
| 1794 | c1 = 0; |
|---|
| 1795 | |
|---|
| 1796 | if (firstC2FlagIdx == -1) |
|---|
| 1797 | { |
|---|
| 1798 | firstC2FlagIdx = idx; |
|---|
| 1799 | } |
|---|
| 1800 | } |
|---|
| 1801 | else if( (c1 < 3) && (c1 > 0) ) |
|---|
| 1802 | { |
|---|
| 1803 | c1++; |
|---|
| 1804 | } |
|---|
| 1805 | } |
|---|
| 1806 | |
|---|
| 1807 | if (c1 == 0) |
|---|
| 1808 | { |
|---|
| 1809 | |
|---|
| 1810 | baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet; |
|---|
| 1811 | if ( firstC2FlagIdx != -1) |
|---|
| 1812 | { |
|---|
| 1813 | UInt symbol = absCoeff[ firstC2FlagIdx ] > 2; |
|---|
| 1814 | m_pcBinIf->encodeBin( symbol, baseCtxMod[0] ); |
|---|
| 1815 | } |
|---|
| 1816 | } |
|---|
| 1817 | |
|---|
| 1818 | if( beValid && signHidden ) |
|---|
| 1819 | { |
|---|
| 1820 | m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 ); |
|---|
| 1821 | } |
|---|
| 1822 | else |
|---|
| 1823 | { |
|---|
| 1824 | m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero ); |
|---|
| 1825 | } |
|---|
| 1826 | |
|---|
| 1827 | Int iFirstCoeff2 = 1; |
|---|
| 1828 | if (c1 == 0 || numNonZero > C1FLAG_NUMBER) |
|---|
| 1829 | { |
|---|
| 1830 | for ( Int idx = 0; idx < numNonZero; idx++ ) |
|---|
| 1831 | { |
|---|
| 1832 | UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1; |
|---|
| 1833 | |
|---|
| 1834 | if( absCoeff[ idx ] >= baseLevel) |
|---|
| 1835 | { |
|---|
| 1836 | xWriteCoefRemainExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam ); |
|---|
| 1837 | if(absCoeff[idx] > 3*(1<<uiGoRiceParam)) |
|---|
| 1838 | { |
|---|
| 1839 | uiGoRiceParam = min<UInt>(uiGoRiceParam+ 1, 4); |
|---|
| 1840 | } |
|---|
| 1841 | } |
|---|
| 1842 | if(absCoeff[ idx ] >= 2) |
|---|
| 1843 | { |
|---|
| 1844 | iFirstCoeff2 = 0; |
|---|
| 1845 | } |
|---|
| 1846 | } |
|---|
| 1847 | } |
|---|
| 1848 | } |
|---|
| 1849 | } |
|---|
| 1850 | |
|---|
| 1851 | return; |
|---|
| 1852 | } |
|---|
| 1853 | |
|---|
| 1854 | /** code SAO offset sign |
|---|
| 1855 | * \param code sign value |
|---|
| 1856 | */ |
|---|
| 1857 | Void TEncSbac::codeSAOSign( UInt code ) |
|---|
| 1858 | { |
|---|
| 1859 | m_pcBinIf->encodeBinEP( code ); |
|---|
| 1860 | } |
|---|
| 1861 | |
|---|
| 1862 | Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol ) |
|---|
| 1863 | { |
|---|
| 1864 | if (maxSymbol == 0) |
|---|
| 1865 | { |
|---|
| 1866 | return; |
|---|
| 1867 | } |
|---|
| 1868 | |
|---|
| 1869 | Int i; |
|---|
| 1870 | Bool bCodeLast = ( maxSymbol > code ); |
|---|
| 1871 | |
|---|
| 1872 | if ( code == 0 ) |
|---|
| 1873 | { |
|---|
| 1874 | m_pcBinIf->encodeBinEP( 0 ); |
|---|
| 1875 | } |
|---|
| 1876 | else |
|---|
| 1877 | { |
|---|
| 1878 | m_pcBinIf->encodeBinEP( 1 ); |
|---|
| 1879 | for ( i=0; i<code-1; i++ ) |
|---|
| 1880 | { |
|---|
| 1881 | m_pcBinIf->encodeBinEP( 1 ); |
|---|
| 1882 | } |
|---|
| 1883 | if( bCodeLast ) |
|---|
| 1884 | { |
|---|
| 1885 | m_pcBinIf->encodeBinEP( 0 ); |
|---|
| 1886 | } |
|---|
| 1887 | } |
|---|
| 1888 | } |
|---|
| 1889 | |
|---|
| 1890 | |
|---|
| 1891 | /** Code SAO EO class or BO band position |
|---|
| 1892 | * \param uiLength |
|---|
| 1893 | * \param uiCode |
|---|
| 1894 | */ |
|---|
| 1895 | Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode ) |
|---|
| 1896 | { |
|---|
| 1897 | m_pcBinIf->encodeBinsEP ( uiCode, uiLength ); |
|---|
| 1898 | } |
|---|
| 1899 | /** Code SAO merge flags |
|---|
| 1900 | * \param uiCode |
|---|
| 1901 | * \param uiCompIdx |
|---|
| 1902 | */ |
|---|
| 1903 | Void TEncSbac::codeSaoMerge ( UInt uiCode ) |
|---|
| 1904 | { |
|---|
| 1905 | if (uiCode == 0) |
|---|
| 1906 | { |
|---|
| 1907 | m_pcBinIf->encodeBin(0, m_cSaoMergeSCModel.get( 0, 0, 0 )); |
|---|
| 1908 | } |
|---|
| 1909 | else |
|---|
| 1910 | { |
|---|
| 1911 | m_pcBinIf->encodeBin(1, m_cSaoMergeSCModel.get( 0, 0, 0 )); |
|---|
| 1912 | } |
|---|
| 1913 | } |
|---|
| 1914 | /** Code SAO type index |
|---|
| 1915 | * \param uiCode |
|---|
| 1916 | */ |
|---|
| 1917 | Void TEncSbac::codeSaoTypeIdx ( UInt uiCode) |
|---|
| 1918 | { |
|---|
| 1919 | if (uiCode == 0) |
|---|
| 1920 | { |
|---|
| 1921 | m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) ); |
|---|
| 1922 | } |
|---|
| 1923 | else |
|---|
| 1924 | { |
|---|
| 1925 | m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) ); |
|---|
| 1926 | m_pcBinIf->encodeBinEP( uiCode == 1 ? 0 : 1 ); |
|---|
| 1927 | } |
|---|
| 1928 | } |
|---|
| 1929 | /*! |
|---|
| 1930 | **************************************************************************** |
|---|
| 1931 | * \brief |
|---|
| 1932 | * estimate bit cost for CBP, significant map and significant coefficients |
|---|
| 1933 | **************************************************************************** |
|---|
| 1934 | */ |
|---|
| 1935 | Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType ) |
|---|
| 1936 | { |
|---|
| 1937 | estCBFBit( pcEstBitsSbac ); |
|---|
| 1938 | |
|---|
| 1939 | estSignificantCoeffGroupMapBit( pcEstBitsSbac, eTType ); |
|---|
| 1940 | |
|---|
| 1941 | // encode significance map |
|---|
| 1942 | estSignificantMapBit( pcEstBitsSbac, width, height, eTType ); |
|---|
| 1943 | |
|---|
| 1944 | // encode significant coefficients |
|---|
| 1945 | estSignificantCoefficientsBit( pcEstBitsSbac, eTType ); |
|---|
| 1946 | } |
|---|
| 1947 | |
|---|
| 1948 | /*! |
|---|
| 1949 | **************************************************************************** |
|---|
| 1950 | * \brief |
|---|
| 1951 | * estimate bit cost for each CBP bit |
|---|
| 1952 | **************************************************************************** |
|---|
| 1953 | */ |
|---|
| 1954 | Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac ) |
|---|
| 1955 | { |
|---|
| 1956 | ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 ); |
|---|
| 1957 | |
|---|
| 1958 | for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ ) |
|---|
| 1959 | { |
|---|
| 1960 | pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 ); |
|---|
| 1961 | pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 ); |
|---|
| 1962 | } |
|---|
| 1963 | |
|---|
| 1964 | pCtx = m_cCUQtRootCbfSCModel.get( 0 ); |
|---|
| 1965 | |
|---|
| 1966 | for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ ) |
|---|
| 1967 | { |
|---|
| 1968 | pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 ); |
|---|
| 1969 | pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 ); |
|---|
| 1970 | } |
|---|
| 1971 | } |
|---|
| 1972 | |
|---|
| 1973 | |
|---|
| 1974 | /*! |
|---|
| 1975 | **************************************************************************** |
|---|
| 1976 | * \brief |
|---|
| 1977 | * estimate SAMBAC bit cost for significant coefficient group map |
|---|
| 1978 | **************************************************************************** |
|---|
| 1979 | */ |
|---|
| 1980 | Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType ) |
|---|
| 1981 | { |
|---|
| 1982 | Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX; |
|---|
| 1983 | |
|---|
| 1984 | for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ ) |
|---|
| 1985 | { |
|---|
| 1986 | for( UInt uiBin = 0; uiBin < 2; uiBin++ ) |
|---|
| 1987 | { |
|---|
| 1988 | pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin ); |
|---|
| 1989 | } |
|---|
| 1990 | } |
|---|
| 1991 | } |
|---|
| 1992 | |
|---|
| 1993 | |
|---|
| 1994 | /*! |
|---|
| 1995 | **************************************************************************** |
|---|
| 1996 | * \brief |
|---|
| 1997 | * estimate SAMBAC bit cost for significant coefficient map |
|---|
| 1998 | **************************************************************************** |
|---|
| 1999 | */ |
|---|
| 2000 | Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType ) |
|---|
| 2001 | { |
|---|
| 2002 | Int firstCtx = 1, numCtx = 8; |
|---|
| 2003 | if (max(width, height) >= 16) |
|---|
| 2004 | { |
|---|
| 2005 | firstCtx = (eTType == TEXT_LUMA) ? 21 : 12; |
|---|
| 2006 | numCtx = (eTType == TEXT_LUMA) ? 6 : 3; |
|---|
| 2007 | } |
|---|
| 2008 | else if (width == 8) |
|---|
| 2009 | { |
|---|
| 2010 | firstCtx = 9; |
|---|
| 2011 | numCtx = (eTType == TEXT_LUMA) ? 12 : 3; |
|---|
| 2012 | } |
|---|
| 2013 | |
|---|
| 2014 | if (eTType == TEXT_LUMA ) |
|---|
| 2015 | { |
|---|
| 2016 | for( UInt bin = 0; bin < 2; bin++ ) |
|---|
| 2017 | { |
|---|
| 2018 | pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, 0 ).getEntropyBits( bin ); |
|---|
| 2019 | } |
|---|
| 2020 | |
|---|
| 2021 | for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ ) |
|---|
| 2022 | { |
|---|
| 2023 | for( UInt uiBin = 0; uiBin < 2; uiBin++ ) |
|---|
| 2024 | { |
|---|
| 2025 | pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin ); |
|---|
| 2026 | } |
|---|
| 2027 | } |
|---|
| 2028 | } |
|---|
| 2029 | else |
|---|
| 2030 | { |
|---|
| 2031 | for( UInt bin = 0; bin < 2; bin++ ) |
|---|
| 2032 | { |
|---|
| 2033 | pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + 0 ).getEntropyBits( bin ); |
|---|
| 2034 | } |
|---|
| 2035 | for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ ) |
|---|
| 2036 | { |
|---|
| 2037 | for( UInt uiBin = 0; uiBin < 2; uiBin++ ) |
|---|
| 2038 | { |
|---|
| 2039 | pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin ); |
|---|
| 2040 | } |
|---|
| 2041 | } |
|---|
| 2042 | } |
|---|
| 2043 | Int iBitsX = 0, iBitsY = 0; |
|---|
| 2044 | Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY; |
|---|
| 2045 | |
|---|
| 2046 | blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2)); |
|---|
| 2047 | blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2)); |
|---|
| 2048 | shiftX = eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2); |
|---|
| 2049 | shiftY = eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2); |
|---|
| 2050 | |
|---|
| 2051 | Int ctx; |
|---|
| 2052 | ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType ); |
|---|
| 2053 | for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++) |
|---|
| 2054 | { |
|---|
| 2055 | Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX); |
|---|
| 2056 | pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 ); |
|---|
| 2057 | iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 ); |
|---|
| 2058 | } |
|---|
| 2059 | pcEstBitsSbac->lastXBits[ctx] = iBitsX; |
|---|
| 2060 | ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType ); |
|---|
| 2061 | for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++) |
|---|
| 2062 | { |
|---|
| 2063 | Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY); |
|---|
| 2064 | pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 ); |
|---|
| 2065 | iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 ); |
|---|
| 2066 | } |
|---|
| 2067 | pcEstBitsSbac->lastYBits[ctx] = iBitsY; |
|---|
| 2068 | } |
|---|
| 2069 | |
|---|
| 2070 | /*! |
|---|
| 2071 | **************************************************************************** |
|---|
| 2072 | * \brief |
|---|
| 2073 | * estimate bit cost of significant coefficient |
|---|
| 2074 | **************************************************************************** |
|---|
| 2075 | */ |
|---|
| 2076 | Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType ) |
|---|
| 2077 | { |
|---|
| 2078 | if (eTType==TEXT_LUMA) |
|---|
| 2079 | { |
|---|
| 2080 | ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0); |
|---|
| 2081 | ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0); |
|---|
| 2082 | |
|---|
| 2083 | for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++) |
|---|
| 2084 | { |
|---|
| 2085 | pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 ); |
|---|
| 2086 | pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 ); |
|---|
| 2087 | } |
|---|
| 2088 | |
|---|
| 2089 | for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++) |
|---|
| 2090 | { |
|---|
| 2091 | pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 ); |
|---|
| 2092 | pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 ); |
|---|
| 2093 | } |
|---|
| 2094 | } |
|---|
| 2095 | else |
|---|
| 2096 | { |
|---|
| 2097 | ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA; |
|---|
| 2098 | ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA; |
|---|
| 2099 | |
|---|
| 2100 | for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++) |
|---|
| 2101 | { |
|---|
| 2102 | pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 ); |
|---|
| 2103 | pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 ); |
|---|
| 2104 | } |
|---|
| 2105 | |
|---|
| 2106 | for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++) |
|---|
| 2107 | { |
|---|
| 2108 | pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 ); |
|---|
| 2109 | pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 ); |
|---|
| 2110 | } |
|---|
| 2111 | } |
|---|
| 2112 | } |
|---|
| 2113 | |
|---|
| 2114 | /** |
|---|
| 2115 | - Initialize our context information from the nominated source. |
|---|
| 2116 | . |
|---|
| 2117 | \param pSrc From where to copy context information. |
|---|
| 2118 | */ |
|---|
| 2119 | Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc ) |
|---|
| 2120 | { |
|---|
| 2121 | memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0])); |
|---|
| 2122 | } |
|---|
| 2123 | |
|---|
| 2124 | Void TEncSbac::loadContexts ( TEncSbac* pScr) |
|---|
| 2125 | { |
|---|
| 2126 | this->xCopyContextsFrom(pScr); |
|---|
| 2127 | } |
|---|
| 2128 | |
|---|
| 2129 | Void TEncSbac::codeSAOOffsetParam(Int compIdx, SAOOffset& ctbParam, Bool sliceEnabled) |
|---|
| 2130 | { |
|---|
| 2131 | UInt uiSymbol; |
|---|
| 2132 | if(!sliceEnabled) |
|---|
| 2133 | { |
|---|
| 2134 | assert(ctbParam.modeIdc == SAO_MODE_OFF); |
|---|
| 2135 | return; |
|---|
| 2136 | } |
|---|
| 2137 | |
|---|
| 2138 | //type |
|---|
| 2139 | if(compIdx == SAO_Y || compIdx == SAO_Cb) |
|---|
| 2140 | { |
|---|
| 2141 | //sao_type_idx_luma or sao_type_idx_chroma |
|---|
| 2142 | if(ctbParam.modeIdc == SAO_MODE_OFF) |
|---|
| 2143 | { |
|---|
| 2144 | uiSymbol =0; |
|---|
| 2145 | } |
|---|
| 2146 | else if(ctbParam.typeIdc == SAO_TYPE_BO) //BO |
|---|
| 2147 | { |
|---|
| 2148 | uiSymbol = 1; |
|---|
| 2149 | } |
|---|
| 2150 | else |
|---|
| 2151 | { |
|---|
| 2152 | assert(ctbParam.typeIdc < SAO_TYPE_START_BO); //EO |
|---|
| 2153 | uiSymbol = 2; |
|---|
| 2154 | } |
|---|
| 2155 | codeSaoTypeIdx(uiSymbol); |
|---|
| 2156 | } |
|---|
| 2157 | |
|---|
| 2158 | if(ctbParam.modeIdc == SAO_MODE_NEW) |
|---|
| 2159 | { |
|---|
| 2160 | Int numClasses = (ctbParam.typeIdc == SAO_TYPE_BO)?4:NUM_SAO_EO_CLASSES; |
|---|
| 2161 | Int offset[4]; |
|---|
| 2162 | Int k=0; |
|---|
| 2163 | for(Int i=0; i< numClasses; i++) |
|---|
| 2164 | { |
|---|
| 2165 | if(ctbParam.typeIdc != SAO_TYPE_BO && i == SAO_CLASS_EO_PLAIN) |
|---|
| 2166 | { |
|---|
| 2167 | continue; |
|---|
| 2168 | } |
|---|
| 2169 | Int classIdx = (ctbParam.typeIdc == SAO_TYPE_BO)?( (ctbParam.typeAuxInfo+i)% NUM_SAO_BO_CLASSES ):i; |
|---|
| 2170 | offset[k] = ctbParam.offset[classIdx]; |
|---|
| 2171 | k++; |
|---|
| 2172 | } |
|---|
| 2173 | |
|---|
| 2174 | for(Int i=0; i< 4; i++) |
|---|
| 2175 | { |
|---|
| 2176 | codeSaoMaxUvlc((offset[i]<0)?(-offset[i]):(offset[i]), g_saoMaxOffsetQVal[compIdx] ); //sao_offset_abs |
|---|
| 2177 | } |
|---|
| 2178 | |
|---|
| 2179 | |
|---|
| 2180 | if(ctbParam.typeIdc == SAO_TYPE_BO) |
|---|
| 2181 | { |
|---|
| 2182 | for(Int i=0; i< 4; i++) |
|---|
| 2183 | { |
|---|
| 2184 | if(offset[i] != 0) |
|---|
| 2185 | { |
|---|
| 2186 | codeSAOSign((offset[i]< 0)?1:0); |
|---|
| 2187 | } |
|---|
| 2188 | } |
|---|
| 2189 | |
|---|
| 2190 | codeSaoUflc(NUM_SAO_BO_CLASSES_LOG2, ctbParam.typeAuxInfo ); //sao_band_position |
|---|
| 2191 | } |
|---|
| 2192 | else //EO |
|---|
| 2193 | { |
|---|
| 2194 | if(compIdx == SAO_Y || compIdx == SAO_Cb) |
|---|
| 2195 | { |
|---|
| 2196 | assert(ctbParam.typeIdc - SAO_TYPE_START_EO >=0); |
|---|
| 2197 | codeSaoUflc(NUM_SAO_EO_TYPES_LOG2, ctbParam.typeIdc - SAO_TYPE_START_EO ); //sao_eo_class_luma or sao_eo_class_chroma |
|---|
| 2198 | } |
|---|
| 2199 | } |
|---|
| 2200 | |
|---|
| 2201 | } |
|---|
| 2202 | } |
|---|
| 2203 | |
|---|
| 2204 | |
|---|
| 2205 | Void TEncSbac::codeSAOBlkParam(SAOBlkParam& saoBlkParam |
|---|
| 2206 | , Bool* sliceEnabled |
|---|
| 2207 | , Bool leftMergeAvail |
|---|
| 2208 | , Bool aboveMergeAvail |
|---|
| 2209 | , Bool onlyEstMergeInfo // = false |
|---|
| 2210 | ) |
|---|
| 2211 | { |
|---|
| 2212 | |
|---|
| 2213 | Bool isLeftMerge = false; |
|---|
| 2214 | Bool isAboveMerge= false; |
|---|
| 2215 | |
|---|
| 2216 | if(leftMergeAvail) |
|---|
| 2217 | { |
|---|
| 2218 | isLeftMerge = ((saoBlkParam[SAO_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[SAO_Y].typeIdc == SAO_MERGE_LEFT)); |
|---|
| 2219 | codeSaoMerge( isLeftMerge?1:0 ); //sao_merge_left_flag |
|---|
| 2220 | } |
|---|
| 2221 | |
|---|
| 2222 | if( aboveMergeAvail && !isLeftMerge) |
|---|
| 2223 | { |
|---|
| 2224 | isAboveMerge = ((saoBlkParam[SAO_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[SAO_Y].typeIdc == SAO_MERGE_ABOVE)); |
|---|
| 2225 | codeSaoMerge( isAboveMerge?1:0 ); //sao_merge_left_flag |
|---|
| 2226 | } |
|---|
| 2227 | |
|---|
| 2228 | if(onlyEstMergeInfo) |
|---|
| 2229 | { |
|---|
| 2230 | return; //only for RDO |
|---|
| 2231 | } |
|---|
| 2232 | |
|---|
| 2233 | if(!isLeftMerge && !isAboveMerge) //not merge mode |
|---|
| 2234 | { |
|---|
| 2235 | for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++) |
|---|
| 2236 | { |
|---|
| 2237 | codeSAOOffsetParam(compIdx, saoBlkParam[compIdx], sliceEnabled[compIdx]); |
|---|
| 2238 | } |
|---|
| 2239 | } |
|---|
| 2240 | } |
|---|
| 2241 | |
|---|
| 2242 | #if H_3D_INTER_SDC |
|---|
| 2243 | Void TEncSbac::codeDeltaDC( TComDataCU* pcCU, UInt absPartIdx ) |
|---|
| 2244 | { |
|---|
| 2245 | if( !( pcCU->getSDCFlag( absPartIdx ) || ( pcCU->isIntra( absPartIdx ) && getDimType( pcCU->getLumaIntraDir( absPartIdx ) ) < DIM_NUM_TYPE ) ) ) |
|---|
| 2246 | { |
|---|
| 2247 | assert( 0 ); |
|---|
| 2248 | } |
|---|
| 2249 | |
|---|
| 2250 | UInt uiNumSegments = isDimMode( pcCU->getLumaIntraDir( absPartIdx ) ) ? 2 : 1; |
|---|
| 2251 | UInt dimDeltaDC = 1; |
|---|
| 2252 | |
|---|
| 2253 | if( pcCU->isIntra( absPartIdx ) && pcCU->getSDCFlag( absPartIdx )) |
|---|
| 2254 | { |
|---|
| 2255 | if( uiNumSegments == 1 ) |
|---|
| 2256 | { |
|---|
| 2257 | dimDeltaDC = pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) ? 1 : 0; |
|---|
| 2258 | } |
|---|
| 2259 | else |
|---|
| 2260 | { |
|---|
| 2261 | dimDeltaDC = ( pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) || pcCU->getSDCSegmentDCOffset( 1, absPartIdx ) ) ? 1 : 0; |
|---|
| 2262 | } |
|---|
| 2263 | m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get( 0, 0, 0 ) ); |
|---|
| 2264 | } |
|---|
| 2265 | |
|---|
| 2266 | if( dimDeltaDC ) |
|---|
| 2267 | { |
|---|
| 2268 | for( UInt segment = 0; segment < uiNumSegments; segment++ ) |
|---|
| 2269 | { |
|---|
| 2270 | Pel deltaDC = 0; |
|---|
| 2271 | |
|---|
| 2272 | if( pcCU->isIntra( absPartIdx ) ) |
|---|
| 2273 | { |
|---|
| 2274 | UInt dir = pcCU->getLumaIntraDir( absPartIdx ); |
|---|
| 2275 | deltaDC = pcCU->getSDCFlag( absPartIdx ) ? pcCU->getSDCSegmentDCOffset( segment, absPartIdx ) : pcCU->getDimDeltaDC( getDimType( dir ), segment, absPartIdx ); |
|---|
| 2276 | } |
|---|
| 2277 | else |
|---|
| 2278 | { |
|---|
| 2279 | deltaDC = pcCU->getSDCSegmentDCOffset( segment, absPartIdx ); |
|---|
| 2280 | } |
|---|
| 2281 | |
|---|
| 2282 | xCodeDimDeltaDC( deltaDC, uiNumSegments ); |
|---|
| 2283 | } |
|---|
| 2284 | } |
|---|
| 2285 | } |
|---|
| 2286 | |
|---|
| 2287 | Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 2288 | { |
|---|
| 2289 | UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0; |
|---|
| 2290 | UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx ); |
|---|
| 2291 | |
|---|
| 2292 | m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) ); |
|---|
| 2293 | } |
|---|
| 2294 | |
|---|
| 2295 | #endif |
|---|
| 2296 | |
|---|
| 2297 | #if H_3D_DBBP |
|---|
| 2298 | Void TEncSbac::codeDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
|---|
| 2299 | { |
|---|
| 2300 | PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx ); |
|---|
| 2301 | AOF( ePartSize == SIZE_2NxN || ePartSize == SIZE_Nx2N ); |
|---|
| 2302 | AOF( pcCU->getSlice()->getDepthBasedBlkPartFlag() ); |
|---|
| 2303 | AOF( !pcCU->getSlice()->getIsDepth() ); |
|---|
| 2304 | |
|---|
| 2305 | UInt uiSymbol = pcCU->getDBBPFlag( uiAbsPartIdx ) ? 1 : 0; |
|---|
| 2306 | m_pcBinIf->encodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) ); |
|---|
| 2307 | } |
|---|
| 2308 | #endif |
|---|
| 2309 | |
|---|
| 2310 | //! \} |
|---|