[5] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2011, 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 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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[2] | 33 | |
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| 34 | |
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[5] | 35 | |
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[2] | 36 | /** \file TDecSbac.cpp |
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| 37 | \brief Context-adaptive entropy decoder class |
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| 38 | */ |
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| 39 | |
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| 40 | #include "TDecSbac.h" |
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| 41 | |
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| 42 | ////////////////////////////////////////////////////////////////////// |
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| 43 | // Construction/Destruction |
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| 44 | ////////////////////////////////////////////////////////////////////// |
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| 45 | |
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| 46 | TDecSbac::TDecSbac() |
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| 47 | // new structure here |
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| 48 | : m_pcBitstream ( 0 ) |
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| 49 | , m_pcTDecBinIf ( NULL ) |
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| 50 | , m_bAlfCtrl ( false ) |
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| 51 | , m_uiMaxAlfCtrlDepth ( 0 ) |
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| 52 | , m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX ) |
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| 53 | , m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX ) |
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| 54 | , m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX ) |
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| 55 | , m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX ) |
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| 56 | , m_cCUMVMergeIdxExtSCModel ( 1, 1, NUM_MV_MERGE_IDX_EXT_CTX ) |
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| 57 | , m_cResPredFlagSCModel ( 1, 1, NUM_RES_PRED_FLAG_CTX ) |
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| 58 | , m_cCUAlfCtrlFlagSCModel ( 1, 1, NUM_ALF_CTRL_FLAG_CTX ) |
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| 59 | , m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX ) |
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| 60 | , m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX ) |
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| 61 | , m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX ) |
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| 62 | #if ADD_PLANAR_MODE |
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| 63 | , m_cPlanarFlagSCModel ( 1, 1, NUM_PLANARFLAG_CTX ) |
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| 64 | #endif |
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| 65 | , m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX ) |
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| 66 | , m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX ) |
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| 67 | , m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX ) |
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| 68 | , m_cCUMvdSCModel ( 1, 2, NUM_MV_RES_CTX ) |
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| 69 | , m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX ) |
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| 70 | , m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX ) |
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| 71 | , m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX ) |
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| 72 | , m_cCUQtCbfSCModel ( 1, 3, NUM_QT_CBF_CTX ) |
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| 73 | #if SIMPLE_CONTEXT_SIG |
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| 74 | , m_cCUSigSCModel ( 4, 2, NUM_SIG_FLAG_CTX ) |
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| 75 | #else |
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| 76 | , m_cCUSigSCModel ( MAX_CU_DEPTH, 2, NUM_SIG_FLAG_CTX ) |
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| 77 | #endif |
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| 78 | #if PCP_SIGMAP_SIMPLE_LAST |
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| 79 | , m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY ) |
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| 80 | , m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY ) |
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| 81 | #else |
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| 82 | , m_cCULastSCModel ( MAX_CU_DEPTH, 2, NUM_LAST_FLAG_CTX ) |
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| 83 | #endif |
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| 84 | , m_cCUOneSCModel ( 1, 2, NUM_ONE_FLAG_CTX ) |
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| 85 | , m_cCUAbsSCModel ( 1, 2, NUM_ABS_FLAG_CTX ) |
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| 86 | , m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX ) |
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| 87 | , m_cALFFlagSCModel ( 1, 1, NUM_ALF_FLAG_CTX ) |
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| 88 | , m_cALFUvlcSCModel ( 1, 1, NUM_ALF_UVLC_CTX ) |
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| 89 | , m_cALFSvlcSCModel ( 1, 1, NUM_ALF_SVLC_CTX ) |
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| 90 | #if MTK_SAO |
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| 91 | , m_cAOFlagSCModel ( 1, 1, NUM_AO_FLAG_CTX ) |
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| 92 | , m_cAOUvlcSCModel ( 1, 1, NUM_AO_UVLC_CTX ) |
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| 93 | , m_cAOSvlcSCModel ( 1, 1, NUM_AO_SVLC_CTX ) |
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| 94 | #endif |
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| 95 | , m_cViewIdxSCModel ( 1, 1, NUM_VIEW_IDX_CTX ) |
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[5] | 96 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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[2] | 97 | , m_cIntraDMMSCModel ( 1, 1, NUM_DMM_CTX ) |
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| 98 | , m_cIntraWedgeSCModel ( 1, 1, NUM_WEDGE_CTX ) |
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| 99 | #endif |
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| 100 | { |
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| 101 | } |
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| 102 | |
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| 103 | TDecSbac::~TDecSbac() |
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| 104 | { |
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| 105 | } |
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| 106 | |
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| 107 | // ==================================================================================================================== |
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| 108 | // Public member functions |
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| 109 | // ==================================================================================================================== |
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| 110 | |
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| 111 | Void TDecSbac::resetEntropy (TComSlice* pcSlice) |
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| 112 | { |
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| 113 | Int iQp = pcSlice->getSliceQp(); |
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| 114 | SliceType eSliceType = pcSlice->getSliceType(); |
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| 115 | |
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| 116 | m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_SPLIT_FLAG ); |
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| 117 | m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_SKIP_FLAG ); |
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| 118 | m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_MERGE_FLAG_EXT ); |
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| 119 | m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_MERGE_IDX_EXT ); |
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| 120 | m_cCUMVMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_MV_MERGE_IDX_EXT ); |
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| 121 | m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_RES_PRED_FLAG ); |
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| 122 | m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_ALF_CTRL_FLAG ); |
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| 123 | m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_PART_SIZE ); |
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| 124 | m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_PRED_MODE ); |
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| 125 | m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_INTRA_PRED_MODE ); |
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| 126 | #if ADD_PLANAR_MODE |
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| 127 | m_cPlanarFlagSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_PLANARFLAG ); |
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| 128 | #endif |
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| 129 | m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_CHROMA_PRED_MODE ); |
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| 130 | m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_INTER_DIR ); |
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| 131 | m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_MVD ); |
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| 132 | m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_REF_PIC ); |
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| 133 | m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_DQP ); |
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| 134 | m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_QT_CBF ); |
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| 135 | m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_QT_ROOT_CBF ); |
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| 136 | m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_SIG_FLAG ); |
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| 137 | #if PCP_SIGMAP_SIMPLE_LAST |
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| 138 | m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (Short*)INIT_LAST_X ); |
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| 139 | m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (Short*)INIT_LAST_Y ); |
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| 140 | #else |
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| 141 | m_cCULastSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_LAST_FLAG ); |
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| 142 | #endif |
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| 143 | m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_ONE_FLAG ); |
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| 144 | m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_ABS_FLAG ); |
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| 145 | m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_MVP_IDX ); |
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| 146 | m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_ALF_FLAG ); |
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| 147 | m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_ALF_UVLC ); |
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| 148 | m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_ALF_SVLC ); |
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| 149 | #if MTK_SAO |
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| 150 | m_cAOFlagSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_AO_FLAG ); |
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| 151 | m_cAOUvlcSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_AO_UVLC ); |
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| 152 | m_cAOSvlcSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_AO_SVLC ); |
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| 153 | #endif |
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| 154 | m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_TRANS_SUBDIV_FLAG ); |
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| 155 | m_cViewIdxSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_VIEW_IDX ); |
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[5] | 156 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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[2] | 157 | m_cIntraDMMSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_INTRA_DMM ); |
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| 158 | m_cIntraWedgeSCModel.initBuffer ( eSliceType, iQp, (Short*)INIT_INTRA_WEDGELET ); |
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| 159 | #endif |
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| 160 | |
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| 161 | m_uiLastDQpNonZero = 0; |
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| 162 | |
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| 163 | // new structure |
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| 164 | m_uiLastQp = iQp; |
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| 165 | |
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| 166 | m_pcTDecBinIf->start(); |
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| 167 | } |
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| 168 | |
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| 169 | Void TDecSbac::parseTerminatingBit( UInt& ruiBit ) |
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| 170 | { |
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| 171 | m_pcTDecBinIf->decodeBinTrm( ruiBit ); |
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| 172 | } |
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| 173 | |
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| 174 | |
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| 175 | Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ) |
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| 176 | { |
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| 177 | if (uiMaxSymbol == 0) |
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| 178 | { |
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| 179 | ruiSymbol = 0; |
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| 180 | return; |
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| 181 | } |
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| 182 | |
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| 183 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
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| 184 | |
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| 185 | if( ruiSymbol == 0 || uiMaxSymbol == 1 ) |
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| 186 | { |
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| 187 | return; |
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| 188 | } |
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| 189 | |
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| 190 | UInt uiSymbol = 0; |
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| 191 | UInt uiCont; |
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| 192 | |
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| 193 | do |
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| 194 | { |
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| 195 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] ); |
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| 196 | uiSymbol++; |
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| 197 | } |
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| 198 | while( uiCont && ( uiSymbol < uiMaxSymbol - 1 ) ); |
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| 199 | |
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| 200 | if( uiCont && ( uiSymbol == uiMaxSymbol - 1 ) ) |
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| 201 | { |
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| 202 | uiSymbol++; |
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| 203 | } |
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| 204 | |
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| 205 | ruiSymbol = uiSymbol; |
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| 206 | } |
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| 207 | |
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| 208 | #if MVD_CTX |
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| 209 | /** Decode a motion vector difference |
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| 210 | * \param riMvdComp motion vector difference |
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| 211 | * \param uiAbsSumL motion vector difference of left PU |
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| 212 | * \param uiAbsSumA motion vector difference of above PU |
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| 213 | * \param uiCtx index for context set based on vertical or horizontal component |
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| 214 | */ |
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| 215 | Void TDecSbac::xReadMvd( Int& riMvdComp, UInt uiAbsSumL, UInt uiAbsSumA, UInt uiCtx ) |
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| 216 | #else |
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| 217 | Void TDecSbac::xReadMvd( Int& riMvdComp, UInt uiAbsSum, UInt uiCtx ) |
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| 218 | #endif |
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| 219 | { |
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| 220 | UInt uiLocalCtx = 0; |
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| 221 | |
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| 222 | #if MVD_CTX |
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| 223 | uiLocalCtx += (uiAbsSumA>16) ? 1 : 0; |
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| 224 | uiLocalCtx += (uiAbsSumL>16) ? 1 : 0; |
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| 225 | #else |
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| 226 | if( uiAbsSum >= 3 ) |
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| 227 | { |
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| 228 | uiLocalCtx += ( uiAbsSum > 32) ? 2 : 1; |
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| 229 | } |
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| 230 | #endif |
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| 231 | |
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| 232 | riMvdComp = 0; |
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| 233 | |
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| 234 | UInt uiSymbol; |
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| 235 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMvdSCModel.get( 0, uiCtx, uiLocalCtx ) ); |
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| 236 | |
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| 237 | if (!uiSymbol) |
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| 238 | { |
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| 239 | return; |
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| 240 | } |
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| 241 | |
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| 242 | xReadExGolombMvd( uiSymbol, &m_cCUMvdSCModel.get( 0, uiCtx, 3 ), 3 ); |
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| 243 | uiSymbol++; |
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| 244 | |
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| 245 | UInt uiSign; |
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| 246 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
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| 247 | |
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| 248 | riMvdComp = ( 0 != uiSign ) ? -(Int)uiSymbol : (Int)uiSymbol; |
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| 249 | |
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| 250 | return; |
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| 251 | } |
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| 252 | |
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| 253 | Void TDecSbac::xReadExGolombMvd( UInt& ruiSymbol, ContextModel* pcSCModel, UInt uiMaxBin ) |
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| 254 | { |
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| 255 | UInt uiSymbol; |
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| 256 | |
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| 257 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
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| 258 | |
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| 259 | if( !ruiSymbol ) |
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| 260 | { |
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| 261 | return; |
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| 262 | } |
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| 263 | |
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| 264 | m_pcTDecBinIf->decodeBin( uiSymbol, pcSCModel[1] ); |
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| 265 | |
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| 266 | ruiSymbol = 1; |
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| 267 | |
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| 268 | if( !uiSymbol ) |
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| 269 | { |
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| 270 | return; |
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| 271 | } |
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| 272 | |
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| 273 | pcSCModel += 2; |
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| 274 | UInt uiCount = 2; |
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| 275 | |
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| 276 | do |
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| 277 | { |
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| 278 | if( uiMaxBin == uiCount ) |
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| 279 | { |
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| 280 | pcSCModel++; |
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| 281 | } |
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| 282 | m_pcTDecBinIf->decodeBin( uiSymbol, *pcSCModel ); |
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| 283 | uiCount++; |
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| 284 | } |
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| 285 | while( uiSymbol && ( uiCount != 8 ) ); |
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| 286 | |
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| 287 | ruiSymbol = uiCount - 1; |
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| 288 | |
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| 289 | if( uiSymbol ) |
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| 290 | { |
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| 291 | xReadEpExGolomb( uiSymbol, 3 ); |
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| 292 | ruiSymbol += uiSymbol + 1; |
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| 293 | } |
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| 294 | |
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| 295 | return; |
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| 296 | } |
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| 297 | |
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| 298 | Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount ) |
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| 299 | { |
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| 300 | UInt uiSymbol = 0; |
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| 301 | UInt uiBit = 1; |
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| 302 | |
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| 303 | while( uiBit ) |
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| 304 | { |
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| 305 | m_pcTDecBinIf->decodeBinEP( uiBit ); |
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| 306 | uiSymbol += uiBit << uiCount++; |
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| 307 | } |
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| 308 | |
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| 309 | uiCount--; |
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| 310 | while( uiCount-- ) |
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| 311 | { |
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| 312 | m_pcTDecBinIf->decodeBinEP( uiBit ); |
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| 313 | uiSymbol += uiBit << uiCount; |
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| 314 | } |
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| 315 | |
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| 316 | ruiSymbol = uiSymbol; |
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| 317 | |
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| 318 | return; |
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| 319 | } |
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| 320 | |
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| 321 | Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset ) |
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| 322 | { |
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| 323 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] ); |
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| 324 | |
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| 325 | if( !ruiSymbol ) |
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| 326 | { |
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| 327 | return; |
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| 328 | } |
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| 329 | |
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| 330 | UInt uiSymbol = 0; |
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| 331 | UInt uiCont; |
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| 332 | |
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| 333 | do |
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| 334 | { |
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| 335 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] ); |
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| 336 | uiSymbol++; |
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| 337 | } |
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| 338 | while( uiCont ); |
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| 339 | |
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| 340 | ruiSymbol = uiSymbol; |
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| 341 | } |
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| 342 | |
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| 343 | #if E253 |
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| 344 | /** Parsing of coeff_abs_level_minus3 |
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| 345 | * \param ruiSymbol reference to coeff_abs_level_minus3 |
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| 346 | * \param ruiGoRiceParam reference to Rice parameter |
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| 347 | * \returns Void |
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| 348 | */ |
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| 349 | Void TDecSbac::xReadGoRiceExGolomb( UInt &ruiSymbol, UInt &ruiGoRiceParam ) |
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| 350 | { |
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| 351 | Bool bExGolomb = false; |
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| 352 | UInt uiCodeWord = 0; |
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| 353 | UInt uiQuotient = 0; |
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| 354 | UInt uiRemainder = 0; |
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| 355 | UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ]; |
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| 356 | UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ]; |
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| 357 | |
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| 358 | do |
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| 359 | { |
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| 360 | uiQuotient++; |
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| 361 | m_pcTDecBinIf->decodeBinEP( uiCodeWord ); |
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| 362 | } |
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| 363 | while( uiCodeWord && uiQuotient < uiMaxPreLen ); |
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| 364 | |
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| 365 | uiCodeWord = 1 - uiCodeWord; |
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| 366 | uiQuotient -= uiCodeWord; |
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| 367 | |
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| 368 | for( UInt ui = 0; ui < ruiGoRiceParam; ui++ ) |
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| 369 | { |
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| 370 | m_pcTDecBinIf->decodeBinEP( uiCodeWord ); |
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| 371 | if( uiCodeWord ) |
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| 372 | { |
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| 373 | uiRemainder += 1 << ui; |
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| 374 | } |
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| 375 | } |
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| 376 | |
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| 377 | ruiSymbol = uiRemainder + ( uiQuotient << ruiGoRiceParam ); |
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| 378 | bExGolomb = ruiSymbol == ( uiMaxVlc + 1 ); |
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| 379 | |
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| 380 | if( bExGolomb ) |
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| 381 | { |
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| 382 | xReadEpExGolomb( uiCodeWord, 0 ); |
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| 383 | ruiSymbol += uiCodeWord; |
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| 384 | } |
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| 385 | |
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| 386 | ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 15 ) ]; |
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| 387 | |
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| 388 | return; |
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| 389 | } |
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[5] | 390 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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[2] | 391 | Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel ) |
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| 392 | { |
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| 393 | UInt uiSymbol; |
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| 394 | UInt uiCount = 0; |
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| 395 | do |
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| 396 | { |
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| 397 | m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel ); |
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| 398 | uiCount++; |
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| 399 | } |
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| 400 | while( uiSymbol && ( uiCount != 13 ) ); |
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| 401 | |
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| 402 | ruiSymbol = uiCount - 1; |
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| 403 | |
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| 404 | if( uiSymbol ) |
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| 405 | { |
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| 406 | xReadEpExGolomb( uiSymbol, 0 ); |
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| 407 | ruiSymbol += uiSymbol + 1; |
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| 408 | } |
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| 409 | |
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| 410 | return; |
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| 411 | } |
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| 412 | #endif |
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| 413 | #else |
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| 414 | Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel ) |
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| 415 | { |
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| 416 | UInt uiSymbol; |
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| 417 | UInt uiCount = 0; |
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| 418 | do |
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| 419 | { |
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| 420 | m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel ); |
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| 421 | uiCount++; |
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| 422 | } |
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| 423 | while( uiSymbol && ( uiCount != 13 ) ); |
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| 424 | |
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| 425 | ruiSymbol = uiCount - 1; |
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| 426 | |
---|
| 427 | if( uiSymbol ) |
---|
| 428 | { |
---|
| 429 | xReadEpExGolomb( uiSymbol, 0 ); |
---|
| 430 | ruiSymbol += uiSymbol + 1; |
---|
| 431 | } |
---|
| 432 | |
---|
| 433 | return; |
---|
| 434 | } |
---|
| 435 | #endif |
---|
| 436 | |
---|
| 437 | Void TDecSbac::parseAlfCtrlDepth( UInt& ruiAlfCtrlDepth ) |
---|
| 438 | { |
---|
| 439 | UInt uiSymbol; |
---|
| 440 | xReadUnaryMaxSymbol( uiSymbol, m_cALFUvlcSCModel.get( 0 ), 1, g_uiMaxCUDepth - 1 ); |
---|
| 441 | ruiAlfCtrlDepth = uiSymbol; |
---|
| 442 | } |
---|
| 443 | |
---|
| 444 | Void TDecSbac::parseAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 445 | { |
---|
| 446 | if( !m_bAlfCtrl ) |
---|
| 447 | { |
---|
| 448 | return; |
---|
| 449 | } |
---|
| 450 | |
---|
| 451 | if( uiDepth > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth( uiAbsPartIdx, m_uiMaxAlfCtrlDepth ) ) |
---|
| 452 | { |
---|
| 453 | return; |
---|
| 454 | } |
---|
| 455 | |
---|
| 456 | UInt uiSymbol; |
---|
| 457 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, pcCU->getCtxAlfCtrlFlag( uiAbsPartIdx ) ) ); |
---|
| 458 | |
---|
| 459 | if( uiDepth > m_uiMaxAlfCtrlDepth ) |
---|
| 460 | { |
---|
| 461 | pcCU->setAlfCtrlFlagSubParts( uiSymbol, uiAbsPartIdx, m_uiMaxAlfCtrlDepth ); |
---|
| 462 | } |
---|
| 463 | else |
---|
| 464 | { |
---|
| 465 | pcCU->setAlfCtrlFlagSubParts( uiSymbol, uiAbsPartIdx, uiDepth ); |
---|
| 466 | } |
---|
| 467 | } |
---|
| 468 | |
---|
| 469 | /** parse skip flag |
---|
| 470 | * \param pcCU |
---|
| 471 | * \param uiAbsPartIdx |
---|
| 472 | * \param uiDepth |
---|
| 473 | * \returns Void |
---|
| 474 | */ |
---|
| 475 | Void TDecSbac::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 476 | { |
---|
| 477 | if( pcCU->getSlice()->isIntra() ) |
---|
| 478 | { |
---|
| 479 | return; |
---|
| 480 | } |
---|
| 481 | |
---|
| 482 | UInt uiSymbol = 0; |
---|
| 483 | UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ); |
---|
| 484 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) ); |
---|
| 485 | DTRACE_CABAC_V( g_nSymbolCounter++ ); |
---|
| 486 | DTRACE_CABAC_T( "\tSkipFlag" ); |
---|
| 487 | DTRACE_CABAC_T( "\tuiCtxSkip: "); |
---|
| 488 | DTRACE_CABAC_V( uiCtxSkip ); |
---|
| 489 | DTRACE_CABAC_T( "\tuiSymbol: "); |
---|
| 490 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 491 | DTRACE_CABAC_T( "\n"); |
---|
| 492 | |
---|
| 493 | if( uiSymbol ) |
---|
| 494 | { |
---|
| 495 | pcCU->setPredModeSubParts( MODE_SKIP, uiAbsPartIdx, uiDepth ); |
---|
| 496 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 497 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 498 | |
---|
| 499 | #if HHI_MRG_SKIP |
---|
| 500 | pcCU->setMergeFlagSubParts( true , uiAbsPartIdx, 0, uiDepth ); |
---|
| 501 | #else |
---|
| 502 | TComMv cZeroMv(0,0); |
---|
| 503 | pcCU->getCUMvField( REF_PIC_LIST_0 )->setAllMvd ( cZeroMv, SIZE_2Nx2N, uiAbsPartIdx, 0, uiDepth ); |
---|
| 504 | pcCU->getCUMvField( REF_PIC_LIST_1 )->setAllMvd ( cZeroMv, SIZE_2Nx2N, uiAbsPartIdx, 0, uiDepth ); |
---|
| 505 | |
---|
| 506 | pcCU->setTrIdxSubParts( 0, uiAbsPartIdx, uiDepth ); |
---|
| 507 | pcCU->setCbfSubParts ( 0, 0, 0, uiAbsPartIdx, uiDepth ); |
---|
| 508 | |
---|
| 509 | if ( pcCU->getSlice()->isInterP() ) |
---|
| 510 | { |
---|
| 511 | pcCU->setInterDirSubParts( 1, uiAbsPartIdx, 0, uiDepth ); |
---|
| 512 | |
---|
| 513 | if ( pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_0 ) > 0 ) |
---|
| 514 | pcCU->getCUMvField( REF_PIC_LIST_0 )->setAllRefIdx( 0, SIZE_2Nx2N, uiAbsPartIdx, 0, uiDepth ); |
---|
| 515 | if ( pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_1 ) > 0 ) |
---|
| 516 | pcCU->getCUMvField( REF_PIC_LIST_1 )->setAllRefIdx( NOT_VALID, SIZE_2Nx2N, uiAbsPartIdx, 0, uiDepth ); |
---|
| 517 | } |
---|
| 518 | else |
---|
| 519 | { |
---|
| 520 | pcCU->setInterDirSubParts( 3, uiAbsPartIdx, 0, uiDepth ); |
---|
| 521 | |
---|
| 522 | if ( pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_0 ) > 0 ) |
---|
| 523 | pcCU->getCUMvField( REF_PIC_LIST_0 )->setAllRefIdx( 0, SIZE_2Nx2N, uiAbsPartIdx, 0, uiDepth ); |
---|
| 524 | if ( pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_1 ) > 0 ) |
---|
| 525 | pcCU->getCUMvField( REF_PIC_LIST_1 )->setAllRefIdx( 0, SIZE_2Nx2N, uiAbsPartIdx, 0, uiDepth ); |
---|
| 526 | } |
---|
| 527 | #endif // HHI_MRG_SKIP |
---|
| 528 | } |
---|
| 529 | } |
---|
| 530 | |
---|
| 531 | /** parse merge flag |
---|
| 532 | * \param pcCU |
---|
| 533 | * \param uiAbsPartIdx |
---|
| 534 | * \param uiDepth |
---|
| 535 | * \param uiPUIdx |
---|
| 536 | * \returns Void |
---|
| 537 | */ |
---|
| 538 | Void TDecSbac::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) |
---|
| 539 | { |
---|
| 540 | UInt uiSymbol; |
---|
| 541 | UInt uiCtx = 0; |
---|
| 542 | #if CHANGE_MERGE_CONTEXT |
---|
| 543 | uiCtx = pcCU->getCtxMergeFlag( uiAbsPartIdx ); |
---|
| 544 | #else |
---|
| 545 | for(UInt uiIter = 0; uiIter < MRG_MAX_NUM_CANDS; uiIter++ ) |
---|
| 546 | { |
---|
| 547 | if( pcCU->getNeighbourCandIdx( uiIter, uiAbsPartIdx ) == uiIter + 1 ) |
---|
| 548 | { |
---|
| 549 | if( uiIter == 0 ) |
---|
| 550 | { |
---|
| 551 | uiCtx++; |
---|
| 552 | } |
---|
| 553 | else if( uiIter == 1 ) |
---|
| 554 | { |
---|
| 555 | uiCtx++; |
---|
| 556 | } |
---|
| 557 | } |
---|
| 558 | } |
---|
| 559 | #endif |
---|
| 560 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeFlagExtSCModel.get( 0, 0, uiCtx ) ); |
---|
| 561 | pcCU->setMergeFlagSubParts( uiSymbol ? true : false, uiAbsPartIdx, uiPUIdx, uiDepth ); |
---|
| 562 | |
---|
| 563 | DTRACE_CABAC_V( g_nSymbolCounter++ ); |
---|
| 564 | DTRACE_CABAC_T( "\tMergeFlag: " ); |
---|
| 565 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 566 | DTRACE_CABAC_T( "\tAddress: " ); |
---|
| 567 | DTRACE_CABAC_V( pcCU->getAddr() ); |
---|
| 568 | DTRACE_CABAC_T( "\tuiAbsPartIdx: " ); |
---|
| 569 | DTRACE_CABAC_V( uiAbsPartIdx ); |
---|
| 570 | for( UInt ui = 0; ui < MRG_MAX_NUM_CANDS; ui++ ) |
---|
| 571 | { |
---|
| 572 | DTRACE_CABAC_T( "\tNumMrgCand: " ); |
---|
| 573 | DTRACE_CABAC_V( ui ); |
---|
| 574 | DTRACE_CABAC_T( "\t==\t" ); |
---|
| 575 | DTRACE_CABAC_V( UInt( pcCU->getNeighbourCandIdx( ui, uiAbsPartIdx ) ) ); |
---|
| 576 | } |
---|
| 577 | DTRACE_CABAC_T( "\n" ); |
---|
| 578 | } |
---|
| 579 | |
---|
| 580 | |
---|
[5] | 581 | #if HHI_INTER_VIEW_MOTION_PRED || HHI_MPI |
---|
[2] | 582 | Void TDecSbac::parseMergeIndexMV( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 583 | { |
---|
[5] | 584 | #if HHI_MPI |
---|
[2] | 585 | const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE; |
---|
[5] | 586 | const UInt uiMviMergePos = bMVIAvailable ? HHI_MPI_MERGE_POS : MRG_MAX_NUM_CANDS; |
---|
[2] | 587 | #endif |
---|
| 588 | //--- set number of candidates and availability --- |
---|
| 589 | Bool abAvailable[ MRG_MAX_NUM_CANDS ]; |
---|
| 590 | UInt uiNumCand = 0; |
---|
| 591 | for( UInt uiIdx = 0; uiIdx < MRG_MAX_NUM_CANDS; uiIdx++ ) |
---|
| 592 | { |
---|
[5] | 593 | #if HHI_MPI |
---|
[2] | 594 | if( uiIdx == uiMviMergePos ) |
---|
| 595 | { |
---|
| 596 | abAvailable[ uiIdx ] = true; |
---|
| 597 | uiNumCand++; |
---|
| 598 | } |
---|
| 599 | else if( uiIdx > uiMviMergePos ) |
---|
| 600 | { |
---|
| 601 | if( ( abAvailable[ uiIdx ] = ( pcCU->getNeighbourCandIdx( uiIdx - 1, uiAbsPartIdx ) == uiIdx ) ) ) |
---|
| 602 | { |
---|
| 603 | uiNumCand++; |
---|
| 604 | } |
---|
| 605 | } |
---|
| 606 | else |
---|
| 607 | #endif |
---|
| 608 | if( ( abAvailable[ uiIdx ] = ( pcCU->getNeighbourCandIdx( uiIdx, uiAbsPartIdx ) == uiIdx + 1 ) ) ) |
---|
| 609 | { |
---|
| 610 | uiNumCand++; |
---|
| 611 | } |
---|
| 612 | } |
---|
| 613 | AOF( uiNumCand > 1 ); |
---|
| 614 | |
---|
| 615 | //--- determine contexts --- |
---|
| 616 | AOF( NUM_MV_MERGE_IDX_EXT_CTX >= MRG_MAX_NUM_CANDS - 1 ); |
---|
| 617 | UInt auiCtx[ MRG_MAX_NUM_CANDS - 1 ]; |
---|
| 618 | for( UInt uiIdx = 0; uiIdx < MRG_MAX_NUM_CANDS - 1; uiIdx++ ) |
---|
| 619 | { |
---|
| 620 | auiCtx[ uiIdx ] = MRG_MAX_NUM_CANDS; |
---|
| 621 | if( uiNumCand > uiIdx + 1 ) |
---|
| 622 | { |
---|
| 623 | Bool bAvComb = false; |
---|
| 624 | for( UInt uiCId = uiIdx; uiCId < MRG_MAX_NUM_CANDS - 1; uiCId++ ) |
---|
| 625 | { |
---|
| 626 | bAvComb = ( bAvComb || abAvailable[ uiCId ] ); |
---|
| 627 | if( abAvailable[ uiCId + 1 ] && bAvComb ) |
---|
| 628 | { |
---|
| 629 | auiCtx[ uiIdx ] = uiCId; |
---|
| 630 | break; |
---|
| 631 | } |
---|
| 632 | } |
---|
| 633 | AOT( auiCtx[ uiIdx ] == MRG_MAX_NUM_CANDS ); |
---|
| 634 | } |
---|
| 635 | } |
---|
| 636 | |
---|
| 637 | //--- parse unary index --- |
---|
| 638 | UInt uiUnaryIdx = 0; |
---|
| 639 | for( ; uiUnaryIdx < uiNumCand - 1; uiUnaryIdx++ ) |
---|
| 640 | { |
---|
| 641 | UInt uiSymbol = 0; |
---|
| 642 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMVMergeIdxExtSCModel.get( 0, 0, auiCtx[uiUnaryIdx] ) ); |
---|
| 643 | if( uiSymbol == 0 ) |
---|
| 644 | { |
---|
| 645 | break; |
---|
| 646 | } |
---|
| 647 | } |
---|
| 648 | |
---|
| 649 | //--- determine merge index --- |
---|
| 650 | ruiMergeIndex = uiUnaryIdx; |
---|
| 651 | for( UInt uiIdx = 0; uiIdx <= ruiMergeIndex; uiIdx++ ) |
---|
| 652 | { |
---|
| 653 | if( ! abAvailable[ uiIdx ] ) |
---|
| 654 | { |
---|
| 655 | ruiMergeIndex++; |
---|
| 656 | } |
---|
| 657 | } |
---|
| 658 | |
---|
[5] | 659 | #if HHI_MPI |
---|
[2] | 660 | if( ruiMergeIndex > uiMviMergePos ) |
---|
| 661 | { |
---|
| 662 | ruiMergeIndex--; |
---|
| 663 | } |
---|
| 664 | else if( ruiMergeIndex == uiMviMergePos ) |
---|
| 665 | { |
---|
| 666 | pcCU->setTextureModeDepthSubParts( uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 667 | } |
---|
| 668 | #endif |
---|
| 669 | |
---|
| 670 | //--- trace --- |
---|
| 671 | DTRACE_CABAC_V( g_nSymbolCounter++ ); |
---|
| 672 | DTRACE_CABAC_T( "\tparseMergeIndex():" ); |
---|
| 673 | DTRACE_CABAC_T( " MRGIdx = " ); |
---|
| 674 | DTRACE_CABAC_V( ruiMergeIndex ); |
---|
| 675 | DTRACE_CABAC_T( " UnaryIdx = " ); |
---|
| 676 | DTRACE_CABAC_V( uiUnaryIdx ); |
---|
| 677 | DTRACE_CABAC_T( " NumCand = " ); |
---|
| 678 | DTRACE_CABAC_V( uiNumCand ); |
---|
| 679 | DTRACE_CABAC_T( " Availibility = " ); |
---|
| 680 | for( UInt uiIdx = 0; uiIdx < MRG_MAX_NUM_CANDS; uiIdx++ ) |
---|
| 681 | { |
---|
| 682 | DTRACE_CABAC_V( abAvailable[ uiIdx ] ? 1 : 0 ); |
---|
| 683 | } |
---|
| 684 | DTRACE_CABAC_T( " Contexts = " ); |
---|
| 685 | for( UInt uiIdx = 0; uiIdx < MRG_MAX_NUM_CANDS - 1; uiIdx++ ) |
---|
| 686 | { |
---|
| 687 | DTRACE_CABAC_V( auiCtx[ uiIdx ] ); |
---|
| 688 | } |
---|
| 689 | DTRACE_CABAC_T( "\n" ); |
---|
| 690 | } |
---|
[5] | 691 | #endif |
---|
[2] | 692 | |
---|
| 693 | |
---|
| 694 | Void TDecSbac::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 695 | { |
---|
[5] | 696 | #if HHI_INTER_VIEW_MOTION_PRED || HHI_MPI |
---|
| 697 | if( |
---|
| 698 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
| 699 | ( pcCU->getSlice()->getSPS()->getViewId() > 0 && ( pcCU->getSlice()->getSPS()->getMultiviewMvPredMode() & PDM_USE_FOR_MERGE ) == PDM_USE_FOR_MERGE ) || |
---|
[2] | 700 | #endif |
---|
[5] | 701 | #if HHI_MPI |
---|
| 702 | ( pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE && pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_2Nx2N ) || |
---|
| 703 | #endif |
---|
| 704 | 0 |
---|
| 705 | ) |
---|
[2] | 706 | { |
---|
| 707 | parseMergeIndexMV( pcCU, ruiMergeIndex, uiAbsPartIdx, uiDepth ); |
---|
| 708 | return; |
---|
| 709 | } |
---|
[5] | 710 | #endif |
---|
[2] | 711 | |
---|
| 712 | Bool bLeftInvolved = false; |
---|
| 713 | Bool bAboveInvolved = false; |
---|
| 714 | Bool bCollocatedInvolved = false; |
---|
| 715 | Bool bCornerInvolved = false; |
---|
| 716 | Bool bCornerBLInvolved = false; |
---|
| 717 | UInt uiNumCand = 0; |
---|
| 718 | for( UInt uiIter = 0; uiIter < MRG_MAX_NUM_CANDS; ++uiIter ) |
---|
| 719 | { |
---|
| 720 | if( pcCU->getNeighbourCandIdx( uiIter, uiAbsPartIdx ) == uiIter + 1 ) |
---|
| 721 | { |
---|
| 722 | uiNumCand++; |
---|
| 723 | if( uiIter == 0 ) |
---|
| 724 | { |
---|
| 725 | bLeftInvolved = true; |
---|
| 726 | } |
---|
| 727 | else if( uiIter == 1 ) |
---|
| 728 | { |
---|
| 729 | bAboveInvolved = true; |
---|
| 730 | } |
---|
| 731 | else if( uiIter == 2 ) |
---|
| 732 | { |
---|
| 733 | bCollocatedInvolved = true; |
---|
| 734 | } |
---|
| 735 | else if( uiIter == 3 ) |
---|
| 736 | { |
---|
| 737 | bCornerInvolved = true; |
---|
| 738 | } |
---|
| 739 | else if( uiIter == 4 ) |
---|
| 740 | { |
---|
| 741 | bCornerBLInvolved = true; |
---|
| 742 | } |
---|
| 743 | } |
---|
| 744 | } |
---|
| 745 | assert( uiNumCand > 1 ); |
---|
| 746 | |
---|
| 747 | UInt auiCtx[4] = { 0, 0, 0, 3 }; |
---|
| 748 | if( bLeftInvolved && bAboveInvolved ) |
---|
| 749 | { |
---|
| 750 | auiCtx[0] = 0; |
---|
| 751 | } |
---|
| 752 | else if( bLeftInvolved || bAboveInvolved ) |
---|
| 753 | { |
---|
| 754 | auiCtx[0] = bCollocatedInvolved ? 1 : 2; |
---|
| 755 | } |
---|
| 756 | else |
---|
| 757 | { |
---|
| 758 | auiCtx[0] = bCollocatedInvolved ? 2 : 3; |
---|
| 759 | } |
---|
| 760 | |
---|
| 761 | if( uiNumCand >= 3 ) |
---|
| 762 | { |
---|
| 763 | if( bAboveInvolved ) |
---|
| 764 | { |
---|
| 765 | auiCtx[1] = bCollocatedInvolved ? 1 : 2; |
---|
| 766 | } |
---|
| 767 | else |
---|
| 768 | { |
---|
| 769 | auiCtx[1] = bCollocatedInvolved ? 2 : 3; |
---|
| 770 | } |
---|
| 771 | } |
---|
| 772 | |
---|
| 773 | if( uiNumCand >= 4 ) |
---|
| 774 | { |
---|
| 775 | auiCtx[2] = bCollocatedInvolved ? 2 : 3; |
---|
| 776 | } |
---|
| 777 | |
---|
| 778 | UInt uiUnaryIdx = 0; |
---|
| 779 | for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx ) |
---|
| 780 | { |
---|
| 781 | UInt uiSymbol = 0; |
---|
| 782 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[uiUnaryIdx] ) ); |
---|
| 783 | if( uiSymbol == 0 ) |
---|
| 784 | { |
---|
| 785 | break; |
---|
| 786 | } |
---|
| 787 | } |
---|
| 788 | |
---|
| 789 | if( !bLeftInvolved ) |
---|
| 790 | { |
---|
| 791 | ++uiUnaryIdx; |
---|
| 792 | } |
---|
| 793 | if( !bAboveInvolved && uiUnaryIdx >= 1 ) |
---|
| 794 | { |
---|
| 795 | ++uiUnaryIdx; |
---|
| 796 | } |
---|
| 797 | if( !bCollocatedInvolved && uiUnaryIdx >= 2 ) |
---|
| 798 | { |
---|
| 799 | ++uiUnaryIdx; |
---|
| 800 | } |
---|
| 801 | if( !bCornerInvolved && uiUnaryIdx >= 3 ) |
---|
| 802 | { |
---|
| 803 | ++uiUnaryIdx; |
---|
| 804 | } |
---|
| 805 | |
---|
| 806 | ruiMergeIndex = uiUnaryIdx; |
---|
| 807 | |
---|
| 808 | DTRACE_CABAC_V( g_nSymbolCounter++ ) |
---|
| 809 | DTRACE_CABAC_T( "\tparseMergeIndex()" ) |
---|
| 810 | DTRACE_CABAC_T( "\tuiMRGIdx= " ) |
---|
| 811 | DTRACE_CABAC_V( ruiMergeIndex ) |
---|
| 812 | DTRACE_CABAC_T( "\tuiNumCand= " ) |
---|
| 813 | DTRACE_CABAC_V( uiNumCand ) |
---|
| 814 | DTRACE_CABAC_T( "\tbLeftInvolved= " ) |
---|
| 815 | DTRACE_CABAC_V( bLeftInvolved ) |
---|
| 816 | DTRACE_CABAC_T( "\tbAboveInvolved= " ) |
---|
| 817 | DTRACE_CABAC_V( bAboveInvolved ) |
---|
| 818 | DTRACE_CABAC_T( "\tbCollocatedInvolved= " ) |
---|
| 819 | DTRACE_CABAC_V( bCollocatedInvolved ) |
---|
| 820 | DTRACE_CABAC_T( "\tbCornerRTInvolved= " ) |
---|
| 821 | DTRACE_CABAC_V( bCornerInvolved ) |
---|
| 822 | DTRACE_CABAC_T( "\tbCornerBLInvolved= " ) |
---|
| 823 | DTRACE_CABAC_V( bCornerBLInvolved ) |
---|
| 824 | DTRACE_CABAC_T( "\n" ) |
---|
| 825 | } |
---|
| 826 | |
---|
| 827 | |
---|
| 828 | Void |
---|
| 829 | TDecSbac::parseResPredFlag( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 830 | { |
---|
| 831 | UInt uiCtx = 0; |
---|
| 832 | UInt uiSymbol = 0; |
---|
| 833 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) ); |
---|
| 834 | rbResPredFlag = ( uiSymbol != 0 ); |
---|
| 835 | } |
---|
| 836 | |
---|
| 837 | |
---|
| 838 | Void TDecSbac::parseMVPIdx ( TComDataCU* pcCU, Int& riMVPIdx, Int iMVPNum, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
| 839 | { |
---|
| 840 | UInt uiSymbol; |
---|
| 841 | xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, iMVPNum-1); |
---|
| 842 | |
---|
| 843 | riMVPIdx = uiSymbol; |
---|
| 844 | } |
---|
| 845 | |
---|
| 846 | Void TDecSbac::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 847 | { |
---|
| 848 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 849 | { |
---|
| 850 | pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx ); |
---|
| 851 | return; |
---|
| 852 | } |
---|
| 853 | |
---|
| 854 | UInt uiSymbol; |
---|
| 855 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) ); |
---|
| 856 | DTRACE_CABAC_V( g_nSymbolCounter++ ) |
---|
| 857 | DTRACE_CABAC_T( "\tSplitFlag\n" ) |
---|
| 858 | pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx ); |
---|
| 859 | |
---|
| 860 | return; |
---|
| 861 | } |
---|
| 862 | |
---|
| 863 | /** parse partition size |
---|
| 864 | * \param pcCU |
---|
| 865 | * \param uiAbsPartIdx |
---|
| 866 | * \param uiDepth |
---|
| 867 | * \returns Void |
---|
| 868 | */ |
---|
| 869 | Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 870 | { |
---|
| 871 | UInt uiSymbol, uiMode = 0; |
---|
| 872 | PartSize eMode; |
---|
| 873 | |
---|
| 874 | if ( pcCU->isIntra( uiAbsPartIdx ) ) |
---|
| 875 | { |
---|
| 876 | #if MTK_DISABLE_INTRA_NxN_SPLIT |
---|
| 877 | uiSymbol = 1; |
---|
| 878 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 879 | #endif |
---|
| 880 | { |
---|
| 881 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
---|
| 882 | } |
---|
| 883 | eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN; |
---|
| 884 | } |
---|
| 885 | else |
---|
| 886 | { |
---|
| 887 | #if HHI_RMP_SWITCH |
---|
| 888 | if ( !pcCU->getSlice()->getSPS()->getUseRMP()) |
---|
| 889 | { |
---|
| 890 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) ); |
---|
| 891 | if( uiSymbol ) |
---|
| 892 | uiMode = 0; |
---|
| 893 | else |
---|
| 894 | uiMode = 3; |
---|
| 895 | } |
---|
| 896 | else |
---|
| 897 | #endif |
---|
| 898 | { |
---|
| 899 | UInt uiMaxNumBits = 3; |
---|
| 900 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
| 901 | { |
---|
| 902 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) ); |
---|
| 903 | if ( uiSymbol ) |
---|
| 904 | { |
---|
| 905 | break; |
---|
| 906 | } |
---|
| 907 | uiMode++; |
---|
| 908 | } |
---|
| 909 | } |
---|
| 910 | eMode = (PartSize) uiMode; |
---|
| 911 | |
---|
| 912 | if (pcCU->getSlice()->isInterB() && uiMode == 3) |
---|
| 913 | { |
---|
| 914 | #if HHI_DISABLE_INTER_NxN_SPLIT |
---|
| 915 | uiSymbol = 0; |
---|
| 916 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 917 | #endif |
---|
| 918 | { |
---|
| 919 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 3) ); |
---|
| 920 | } |
---|
| 921 | |
---|
| 922 | if (uiSymbol == 0) |
---|
| 923 | { |
---|
| 924 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 925 | #if MTK_DISABLE_INTRA_NxN_SPLIT |
---|
| 926 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 927 | #endif |
---|
| 928 | { |
---|
| 929 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 4) ); |
---|
| 930 | } |
---|
| 931 | if (uiSymbol == 0) |
---|
| 932 | eMode = SIZE_2Nx2N; |
---|
| 933 | } |
---|
| 934 | } |
---|
| 935 | } |
---|
| 936 | |
---|
| 937 | pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth ); |
---|
| 938 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 939 | |
---|
| 940 | UInt uiTrLevel = 0; |
---|
| 941 | |
---|
| 942 | UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2; |
---|
| 943 | UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2; |
---|
| 944 | uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0; |
---|
| 945 | |
---|
| 946 | if( pcCU->getPredictionMode(uiAbsPartIdx) == MODE_INTRA ) |
---|
| 947 | { |
---|
| 948 | if( pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ) |
---|
| 949 | { |
---|
| 950 | pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 951 | } |
---|
| 952 | else |
---|
| 953 | { |
---|
| 954 | pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 955 | } |
---|
| 956 | } |
---|
| 957 | } |
---|
| 958 | |
---|
| 959 | /** parse prediction mode |
---|
| 960 | * \param pcCU |
---|
| 961 | * \param uiAbsPartIdx |
---|
| 962 | * \param uiDepth |
---|
| 963 | * \returns Void |
---|
| 964 | */ |
---|
| 965 | Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 966 | { |
---|
| 967 | if( pcCU->getSlice()->isIntra() ) |
---|
| 968 | { |
---|
| 969 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 970 | return; |
---|
| 971 | } |
---|
| 972 | |
---|
| 973 | UInt uiSymbol; |
---|
| 974 | Int iPredMode = MODE_INTER; |
---|
| 975 | if ( pcCU->getSlice()->isInterB() ) |
---|
| 976 | { |
---|
| 977 | pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 978 | return; |
---|
| 979 | } |
---|
| 980 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 1 ) ); |
---|
| 981 | iPredMode += uiSymbol; |
---|
| 982 | pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 983 | } |
---|
| 984 | |
---|
[5] | 985 | #if HHI_DMM_WEDGE_INTRA |
---|
[2] | 986 | Void TDecSbac::xParseWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 987 | { |
---|
| 988 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 989 | Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx]; |
---|
| 990 | |
---|
| 991 | UInt uiSymbol, uiTabIdx = 0; |
---|
| 992 | for ( Int i = 0; i < iBits; i++ ) |
---|
| 993 | { |
---|
| 994 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraWedgeSCModel.get(0, 0, 0) ); |
---|
| 995 | uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0; |
---|
| 996 | uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0; |
---|
| 997 | uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0; |
---|
| 998 | uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0; |
---|
| 999 | uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0; |
---|
| 1000 | uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0; |
---|
| 1001 | uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0; |
---|
| 1002 | uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0; |
---|
| 1003 | uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0; |
---|
| 1004 | uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0; |
---|
| 1005 | uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0; |
---|
| 1006 | uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0; |
---|
| 1007 | uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0; |
---|
| 1008 | } |
---|
| 1009 | pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth ); |
---|
| 1010 | } |
---|
| 1011 | |
---|
| 1012 | Void TDecSbac::xParseWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1013 | { |
---|
| 1014 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 1015 | Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx]; |
---|
| 1016 | |
---|
| 1017 | UInt uiSymbol, uiTabIdx = 0; |
---|
| 1018 | for ( Int i = 0; i < iBits; i++ ) |
---|
| 1019 | { |
---|
| 1020 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraWedgeSCModel.get(0, 0, 0) ); |
---|
| 1021 | uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0; |
---|
| 1022 | uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0; |
---|
| 1023 | uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0; |
---|
| 1024 | uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0; |
---|
| 1025 | uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0; |
---|
| 1026 | uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0; |
---|
| 1027 | uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0; |
---|
| 1028 | uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0; |
---|
| 1029 | uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0; |
---|
| 1030 | uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0; |
---|
| 1031 | uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0; |
---|
| 1032 | uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0; |
---|
| 1033 | uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0; |
---|
| 1034 | } |
---|
| 1035 | pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth ); |
---|
| 1036 | |
---|
| 1037 | UInt uiDC1, uiDC2; |
---|
| 1038 | xReadExGolombLevel( uiDC1, m_cIntraWedgeSCModel.get(0, 0, 1) ); |
---|
| 1039 | Int iDC1 = uiDC1; |
---|
| 1040 | if ( uiDC1 ) |
---|
| 1041 | { |
---|
| 1042 | UInt uiSign; |
---|
| 1043 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 1044 | if ( uiSign ) |
---|
| 1045 | { |
---|
| 1046 | iDC1 = -iDC1; |
---|
| 1047 | } |
---|
| 1048 | } |
---|
| 1049 | xReadExGolombLevel( uiDC2, m_cIntraWedgeSCModel.get(0, 0, 1) ); |
---|
| 1050 | Int iDC2 = uiDC2; |
---|
| 1051 | if ( uiDC2 ) |
---|
| 1052 | { |
---|
| 1053 | UInt uiSign; |
---|
| 1054 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 1055 | if ( uiSign ) |
---|
| 1056 | { |
---|
| 1057 | iDC2 = -iDC2; |
---|
| 1058 | } |
---|
| 1059 | } |
---|
| 1060 | |
---|
| 1061 | pcCU->setWedgeFullDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 1062 | pcCU->setWedgeFullDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 1063 | } |
---|
| 1064 | |
---|
| 1065 | Void TDecSbac::xParseWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1066 | { |
---|
| 1067 | if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 ) |
---|
| 1068 | { |
---|
| 1069 | UInt uiDeltaEnd = 0; |
---|
| 1070 | m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cIntraWedgeSCModel.get(0, 0, 3) ); |
---|
| 1071 | |
---|
| 1072 | Int iDeltaEnd; |
---|
| 1073 | if( uiDeltaEnd != 0 ) |
---|
| 1074 | { |
---|
| 1075 | UInt uiAbsValMinus1; |
---|
| 1076 | UInt uiSymbol; |
---|
| 1077 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraWedgeSCModel.get(0, 0, 3) ); uiAbsValMinus1 = uiSymbol; |
---|
| 1078 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraWedgeSCModel.get(0, 0, 3) ); uiAbsValMinus1 |= uiSymbol << 1; |
---|
| 1079 | uiDeltaEnd = uiAbsValMinus1 + 1; |
---|
| 1080 | |
---|
| 1081 | iDeltaEnd = uiDeltaEnd; |
---|
| 1082 | UInt uiSign; |
---|
| 1083 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 1084 | if( uiSign ) |
---|
| 1085 | { |
---|
| 1086 | iDeltaEnd = -iDeltaEnd; |
---|
| 1087 | } |
---|
| 1088 | } |
---|
| 1089 | else |
---|
| 1090 | { |
---|
| 1091 | iDeltaEnd = 0; |
---|
| 1092 | } |
---|
| 1093 | pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth ); |
---|
| 1094 | } |
---|
| 1095 | } |
---|
| 1096 | |
---|
| 1097 | Void TDecSbac::xParseWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1098 | { |
---|
| 1099 | if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 ) |
---|
| 1100 | { |
---|
| 1101 | UInt uiDeltaEnd = 0; |
---|
| 1102 | m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cIntraWedgeSCModel.get(0, 0, 3) ); |
---|
| 1103 | |
---|
| 1104 | Int iDeltaEnd; |
---|
| 1105 | if( uiDeltaEnd != 0 ) |
---|
| 1106 | { |
---|
| 1107 | UInt uiAbsValMinus1; |
---|
| 1108 | UInt uiSymbol; |
---|
| 1109 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraWedgeSCModel.get(0, 0, 3) ); uiAbsValMinus1 = uiSymbol; |
---|
| 1110 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraWedgeSCModel.get(0, 0, 3) ); uiAbsValMinus1 |= uiSymbol << 1; |
---|
| 1111 | uiDeltaEnd = uiAbsValMinus1 + 1; |
---|
| 1112 | |
---|
| 1113 | iDeltaEnd = uiDeltaEnd; |
---|
| 1114 | UInt uiSign; |
---|
| 1115 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 1116 | if( uiSign ) |
---|
| 1117 | { |
---|
| 1118 | iDeltaEnd = -iDeltaEnd; |
---|
| 1119 | } |
---|
| 1120 | } |
---|
| 1121 | else |
---|
| 1122 | { |
---|
| 1123 | iDeltaEnd = 0; |
---|
| 1124 | } |
---|
| 1125 | |
---|
| 1126 | pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth ); |
---|
| 1127 | } |
---|
| 1128 | |
---|
| 1129 | UInt uiDC1, uiDC2; |
---|
| 1130 | xReadExGolombLevel( uiDC1, m_cIntraWedgeSCModel.get(0, 0, 1) ); |
---|
| 1131 | Int iDC1 = uiDC1; |
---|
| 1132 | if ( uiDC1 ) |
---|
| 1133 | { |
---|
| 1134 | UInt uiSign; |
---|
| 1135 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 1136 | if ( uiSign ) |
---|
| 1137 | { |
---|
| 1138 | iDC1 = -iDC1; |
---|
| 1139 | } |
---|
| 1140 | } |
---|
| 1141 | xReadExGolombLevel( uiDC2, m_cIntraWedgeSCModel.get(0, 0, 1) ); |
---|
| 1142 | Int iDC2 = uiDC2; |
---|
| 1143 | if ( uiDC2 ) |
---|
| 1144 | { |
---|
| 1145 | UInt uiSign; |
---|
| 1146 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 1147 | if ( uiSign ) |
---|
| 1148 | { |
---|
| 1149 | iDC2 = -iDC2; |
---|
| 1150 | } |
---|
| 1151 | } |
---|
| 1152 | |
---|
| 1153 | pcCU->setWedgePredDirDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 1154 | pcCU->setWedgePredDirDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 1155 | } |
---|
[5] | 1156 | #endif |
---|
| 1157 | #if HHI_DMM_PRED_TEX |
---|
[2] | 1158 | Void TDecSbac::xParseWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1159 | { |
---|
| 1160 | UInt uiDC1, uiDC2; |
---|
| 1161 | xReadExGolombLevel( uiDC1, m_cIntraWedgeSCModel.get(0, 0, 1) ); |
---|
| 1162 | Int iDC1 = uiDC1; |
---|
| 1163 | if ( uiDC1 ) |
---|
| 1164 | { |
---|
| 1165 | UInt uiSign; |
---|
| 1166 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 1167 | if ( uiSign ) |
---|
| 1168 | { |
---|
| 1169 | iDC1 = -iDC1; |
---|
| 1170 | } |
---|
| 1171 | } |
---|
| 1172 | xReadExGolombLevel( uiDC2, m_cIntraWedgeSCModel.get(0, 0, 1) ); |
---|
| 1173 | Int iDC2 = uiDC2; |
---|
| 1174 | if ( uiDC2 ) |
---|
| 1175 | { |
---|
| 1176 | UInt uiSign; |
---|
| 1177 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 1178 | if ( uiSign ) |
---|
| 1179 | { |
---|
| 1180 | iDC2 = -iDC2; |
---|
| 1181 | } |
---|
| 1182 | } |
---|
| 1183 | |
---|
| 1184 | pcCU->setWedgePredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 1185 | pcCU->setWedgePredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 1186 | } |
---|
| 1187 | |
---|
| 1188 | Void TDecSbac::xParseContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1189 | { |
---|
| 1190 | UInt uiDC1, uiDC2; |
---|
| 1191 | xReadExGolombLevel( uiDC1, m_cIntraWedgeSCModel.get(0, 0, 1) ); |
---|
| 1192 | Int iDC1 = uiDC1; |
---|
| 1193 | if ( uiDC1 ) |
---|
| 1194 | { |
---|
| 1195 | UInt uiSign; |
---|
| 1196 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 1197 | if ( uiSign ) |
---|
| 1198 | { |
---|
| 1199 | iDC1 = -iDC1; |
---|
| 1200 | } |
---|
| 1201 | } |
---|
| 1202 | xReadExGolombLevel( uiDC2, m_cIntraWedgeSCModel.get(0, 0, 1) ); |
---|
| 1203 | Int iDC2 = uiDC2; |
---|
| 1204 | if ( uiDC2 ) |
---|
| 1205 | { |
---|
| 1206 | UInt uiSign; |
---|
| 1207 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 1208 | if ( uiSign ) |
---|
| 1209 | { |
---|
| 1210 | iDC2 = -iDC2; |
---|
| 1211 | } |
---|
| 1212 | } |
---|
| 1213 | |
---|
| 1214 | pcCU->setContourPredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth ); |
---|
| 1215 | pcCU->setContourPredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth ); |
---|
| 1216 | } |
---|
| 1217 | #endif |
---|
| 1218 | |
---|
| 1219 | #if MTK_DCM_MPM |
---|
| 1220 | Void TDecSbac::parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1221 | { |
---|
| 1222 | Int uiIPredMode; |
---|
| 1223 | UInt uiSymbol; |
---|
| 1224 | |
---|
[5] | 1225 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
[2] | 1226 | UInt uiFlag = 0; |
---|
[5] | 1227 | if ( pcCU->getSlice()->getSPS()->isDepth() && pcCU->getSlice()->getSPS()->getUseDMM() && g_uiMaxCUWidth>>uiDepth < 64 ) |
---|
[2] | 1228 | { |
---|
| 1229 | m_pcTDecBinIf->decodeBin( uiFlag, m_cIntraDMMSCModel.get(0, 0, 0) ); |
---|
| 1230 | } |
---|
| 1231 | if ( uiFlag ) |
---|
| 1232 | { |
---|
| 1233 | UInt uiDMMode; |
---|
| 1234 | |
---|
[5] | 1235 | #if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX |
---|
| 1236 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraDMMSCModel.get(0, 0, 1) ); uiDMMode = uiSymbol; |
---|
| 1237 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraDMMSCModel.get(0, 0, 1) ); uiDMMode |= uiSymbol << 1; |
---|
[2] | 1238 | if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 ) |
---|
| 1239 | { |
---|
[5] | 1240 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraDMMSCModel.get(0, 0, 1) ); uiDMMode |= uiSymbol << 2; |
---|
[2] | 1241 | } |
---|
| 1242 | #else |
---|
| 1243 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraDMMSCModel.get(0, 0, 1) ); uiDMMode = uiSymbol; |
---|
| 1244 | if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 ) |
---|
| 1245 | { |
---|
[5] | 1246 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraDMMSCModel.get(0, 0, 1) ); uiDMMode |= uiSymbol << 1; |
---|
[2] | 1247 | } |
---|
| 1248 | #endif |
---|
[5] | 1249 | uiIPredMode = uiDMMode + MAX_MODE_ID_INTRA_DIR + 1; |
---|
[2] | 1250 | |
---|
[5] | 1251 | #if HHI_DMM_WEDGE_INTRA |
---|
[2] | 1252 | if( uiIPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 1253 | if( uiIPredMode == DMM_WEDGE_FULL_D_IDX ) { xParseWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 1254 | if( uiIPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 1255 | if( uiIPredMode == DMM_WEDGE_PREDDIR_D_IDX ) { xParseWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
[5] | 1256 | #endif |
---|
| 1257 | #if HHI_DMM_PRED_TEX |
---|
[2] | 1258 | if( uiIPredMode == DMM_WEDGE_PREDTEX_D_IDX ) { xParseWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 1259 | if( uiIPredMode == DMM_CONTOUR_PREDTEX_D_IDX ) { xParseContourPredTexDeltaInfo( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
[5] | 1260 | #endif |
---|
[2] | 1261 | } |
---|
| 1262 | else |
---|
| 1263 | #endif |
---|
| 1264 | { |
---|
| 1265 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 1266 | |
---|
| 1267 | Int uiPreds[2] = {-1, -1}; |
---|
| 1268 | Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds); |
---|
| 1269 | |
---|
| 1270 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 0) ); |
---|
| 1271 | |
---|
| 1272 | if ( uiSymbol ) |
---|
| 1273 | { |
---|
| 1274 | if(uiPredNum == 1) |
---|
| 1275 | { |
---|
| 1276 | uiIPredMode = uiPreds[0]; |
---|
| 1277 | } |
---|
| 1278 | else |
---|
| 1279 | { |
---|
| 1280 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 2) ); |
---|
| 1281 | uiIPredMode = uiPreds[uiSymbol]; |
---|
| 1282 | } |
---|
| 1283 | } |
---|
| 1284 | else |
---|
| 1285 | { |
---|
| 1286 | if ( g_aucIntraModeBitsAng[iIntraIdx] < 6 ) |
---|
| 1287 | { |
---|
| 1288 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode = uiSymbol; |
---|
| 1289 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 2 ) { m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 1; } |
---|
| 1290 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 3 ) { m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 2; } |
---|
| 1291 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 4 ) { m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 3; } |
---|
| 1292 | } |
---|
| 1293 | else |
---|
| 1294 | { |
---|
| 1295 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode = uiSymbol; |
---|
| 1296 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 1; |
---|
| 1297 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 2; |
---|
| 1298 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 3; |
---|
| 1299 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 4; |
---|
| 1300 | |
---|
| 1301 | if (uiIPredMode == 31) |
---|
| 1302 | { // Escape coding for the last two modes |
---|
| 1303 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); |
---|
| 1304 | uiIPredMode = uiSymbol ? 32 : 31; |
---|
| 1305 | } |
---|
| 1306 | } |
---|
| 1307 | |
---|
| 1308 | for(UInt i = 0; i < uiPredNum; i++) |
---|
| 1309 | { |
---|
| 1310 | if(uiIPredMode >= uiPreds[i]) { uiIPredMode ++; } |
---|
| 1311 | } |
---|
| 1312 | } |
---|
| 1313 | #if ADD_PLANAR_MODE |
---|
| 1314 | if (uiIPredMode == 2) |
---|
| 1315 | { |
---|
| 1316 | UInt planarFlag; |
---|
| 1317 | m_pcTDecBinIf->decodeBin( planarFlag, m_cPlanarFlagSCModel.get(0,0,0) ); |
---|
| 1318 | if ( planarFlag ) |
---|
| 1319 | { |
---|
| 1320 | uiIPredMode = PLANAR_IDX; |
---|
| 1321 | } |
---|
| 1322 | } |
---|
| 1323 | #endif |
---|
| 1324 | } |
---|
| 1325 | |
---|
| 1326 | pcCU->setLumaIntraDirSubParts( (UChar)uiIPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 1327 | } |
---|
| 1328 | #else |
---|
| 1329 | Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1330 | { |
---|
| 1331 | Int uiIPredMode; |
---|
| 1332 | UInt uiSymbol; |
---|
| 1333 | |
---|
[5] | 1334 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
[2] | 1335 | UInt uiFlag = 0; |
---|
[5] | 1336 | if ( pcCU->getSlice()->getSPS()->isDepth() && pcCU->getSlice()->getSPS()->getUseDMM() && g_uiMaxCUWidth>>uiDepth < 64 ) |
---|
[2] | 1337 | { |
---|
| 1338 | m_pcTDecBinIf->decodeBin( uiFlag, m_cIntraDMMSCModel.get(0, 0, 0) ); |
---|
| 1339 | } |
---|
| 1340 | if ( uiFlag ) |
---|
| 1341 | { |
---|
| 1342 | UInt uiDMMode; |
---|
| 1343 | |
---|
[5] | 1344 | #if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX |
---|
| 1345 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraDMMSCModel.get(0, 0, 1) ); uiDMMode = uiSymbol; |
---|
| 1346 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraDMMSCModel.get(0, 0, 1) ); uiDMMode |= uiSymbol << 1; |
---|
[2] | 1347 | if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 ) |
---|
| 1348 | { |
---|
[5] | 1349 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraDMMSCModel.get(0, 0, 1) ); uiDMMode |= uiSymbol << 2; |
---|
[2] | 1350 | } |
---|
[5] | 1351 | #else |
---|
[2] | 1352 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraDMMSCModel.get(0, 0, 1) ); uiDMMode = uiSymbol; |
---|
| 1353 | if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 ) |
---|
| 1354 | { |
---|
[5] | 1355 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cIntraDMMSCModel.get(0, 0, 1) ); uiDMMode |= uiSymbol << 1; |
---|
[2] | 1356 | } |
---|
[5] | 1357 | #endif |
---|
[2] | 1358 | uiIPredMode = g_aucAdditionalIntraModeList[uiDMMode]; |
---|
| 1359 | |
---|
[5] | 1360 | #if HHI_DMM_WEDGE_INTRA |
---|
[2] | 1361 | if( uiIPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 1362 | if( uiIPredMode == DMM_WEDGE_FULL_D_IDX ) { xParseWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 1363 | if( uiIPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 1364 | if( uiIPredMode == DMM_WEDGE_PREDDIR_D_IDX ) { xParseWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
[5] | 1365 | #endif |
---|
| 1366 | #if HHI_DMM_PRED_TEX |
---|
[2] | 1367 | if( uiIPredMode == DMM_WEDGE_PREDTEX_D_IDX ) { xParseWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
| 1368 | if( uiIPredMode == DMM_CONTOUR_PREDTEX_D_IDX ) { xParseContourPredTexDeltaInfo( pcCU, uiAbsPartIdx, uiDepth ); } |
---|
[5] | 1369 | #endif |
---|
[2] | 1370 | } |
---|
| 1371 | else |
---|
| 1372 | #endif |
---|
| 1373 | { |
---|
| 1374 | Int iMostProbable = pcCU->getMostProbableIntraDirLuma( uiAbsPartIdx ); |
---|
| 1375 | |
---|
| 1376 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 0) ); |
---|
| 1377 | |
---|
| 1378 | if ( uiSymbol ) |
---|
| 1379 | uiIPredMode = iMostProbable; |
---|
| 1380 | else |
---|
| 1381 | { |
---|
| 1382 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 1383 | if ( g_aucIntraModeBitsAng[iIntraIdx] < 6 ) |
---|
| 1384 | { |
---|
| 1385 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode = uiSymbol; |
---|
| 1386 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 2 ) { m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 1; } |
---|
| 1387 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 3 ) { m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 2; } |
---|
| 1388 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 4 ) { m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 3; } |
---|
| 1389 | } |
---|
| 1390 | else |
---|
| 1391 | { |
---|
| 1392 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode = uiSymbol; |
---|
| 1393 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 1; |
---|
| 1394 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 2; |
---|
| 1395 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 3; |
---|
| 1396 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); uiIPredMode |= uiSymbol << 4; |
---|
| 1397 | |
---|
| 1398 | if (uiIPredMode == 31) |
---|
| 1399 | { // Escape coding for the last two modes |
---|
| 1400 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 1 ) ); |
---|
| 1401 | uiIPredMode = uiSymbol ? 32 : 31; |
---|
| 1402 | } |
---|
| 1403 | } |
---|
| 1404 | |
---|
| 1405 | if (uiIPredMode >= iMostProbable) |
---|
| 1406 | uiIPredMode++; |
---|
| 1407 | } |
---|
| 1408 | |
---|
| 1409 | #if ADD_PLANAR_MODE |
---|
| 1410 | if (uiIPredMode == 2) |
---|
| 1411 | { |
---|
| 1412 | UInt planarFlag; |
---|
| 1413 | m_pcTDecBinIf->decodeBin( planarFlag, m_cPlanarFlagSCModel.get(0,0,0) ); |
---|
| 1414 | if ( planarFlag ) |
---|
| 1415 | { |
---|
| 1416 | uiIPredMode = PLANAR_IDX; |
---|
| 1417 | } |
---|
| 1418 | } |
---|
| 1419 | #endif |
---|
| 1420 | } |
---|
| 1421 | |
---|
| 1422 | pcCU->setLumaIntraDirSubParts( (UChar)uiIPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 1423 | } |
---|
| 1424 | #endif |
---|
| 1425 | Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1426 | { |
---|
| 1427 | UInt uiSymbol; |
---|
| 1428 | |
---|
| 1429 | #if CHROMA_CODEWORD |
---|
| 1430 | UInt uiMode = pcCU->getLumaIntraDir(uiAbsPartIdx); |
---|
| 1431 | #if ADD_PLANAR_MODE |
---|
| 1432 | if ( (uiMode == 2 ) || (uiMode == PLANAR_IDX) ) |
---|
| 1433 | { |
---|
| 1434 | uiMode = 4; |
---|
| 1435 | } |
---|
| 1436 | #endif |
---|
| 1437 | |
---|
| 1438 | #if LM_CHROMA |
---|
| 1439 | Int iMaxMode = pcCU->getSlice()->getSPS()->getUseLMChroma() ? 3 : 4; |
---|
| 1440 | Int iMax = uiMode < iMaxMode ? 2 : 3; |
---|
| 1441 | |
---|
| 1442 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, pcCU->getCtxIntraDirChroma( uiAbsPartIdx ) ) ); |
---|
| 1443 | |
---|
| 1444 | if ( uiSymbol ) |
---|
| 1445 | { |
---|
| 1446 | xReadUnaryMaxSymbol( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0 ) + 3, 0, iMax ); |
---|
| 1447 | uiSymbol++; |
---|
| 1448 | } |
---|
| 1449 | |
---|
| 1450 | //switch codeword |
---|
| 1451 | if (uiSymbol == 0) |
---|
| 1452 | { |
---|
| 1453 | uiSymbol = 4; |
---|
| 1454 | } |
---|
| 1455 | else if (uiSymbol == 1 && pcCU->getSlice()->getSPS()->getUseLMChroma()) |
---|
| 1456 | { |
---|
| 1457 | uiSymbol = 3; |
---|
| 1458 | } |
---|
| 1459 | else |
---|
| 1460 | { |
---|
| 1461 | #if CHROMA_CODEWORD_SWITCH |
---|
| 1462 | uiSymbol = ChromaMapping[iMax-2][uiSymbol]; |
---|
| 1463 | #endif |
---|
| 1464 | |
---|
| 1465 | if (pcCU->getSlice()->getSPS()->getUseLMChroma()) |
---|
| 1466 | uiSymbol --; |
---|
| 1467 | |
---|
| 1468 | if (uiSymbol <= uiMode) |
---|
| 1469 | uiSymbol --; |
---|
| 1470 | } |
---|
| 1471 | #else // <-- LM_CHROMA |
---|
| 1472 | Int iMax = uiMode < 4 ? 2 : 3; |
---|
| 1473 | |
---|
| 1474 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, pcCU->getCtxIntraDirChroma( uiAbsPartIdx ) ) ); |
---|
| 1475 | |
---|
| 1476 | if ( uiSymbol ) |
---|
| 1477 | { |
---|
| 1478 | xReadUnaryMaxSymbol( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0 ) + 3, 0, iMax ); |
---|
| 1479 | uiSymbol++; |
---|
| 1480 | } |
---|
| 1481 | |
---|
| 1482 | //switch codeword |
---|
| 1483 | if (uiSymbol == 0) |
---|
| 1484 | { |
---|
| 1485 | uiSymbol = 4; |
---|
| 1486 | } |
---|
| 1487 | #if CHROMA_CODEWORD_SWITCH |
---|
| 1488 | else |
---|
| 1489 | { |
---|
| 1490 | uiSymbol = ChromaMapping[iMax-2][uiSymbol]; |
---|
| 1491 | if (uiSymbol <= uiMode) |
---|
| 1492 | { |
---|
| 1493 | uiSymbol --; |
---|
| 1494 | } |
---|
| 1495 | } |
---|
| 1496 | #else |
---|
| 1497 | else if (uiSymbol <= uiMode) |
---|
| 1498 | { |
---|
| 1499 | uiSymbol --; |
---|
| 1500 | } |
---|
| 1501 | #endif |
---|
| 1502 | #endif // <-- LM_CHROMA |
---|
| 1503 | |
---|
| 1504 | #else // CHROMA_CODEWORD |
---|
| 1505 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, pcCU->getCtxIntraDirChroma( uiAbsPartIdx ) ) ); |
---|
| 1506 | |
---|
| 1507 | if ( uiSymbol ) |
---|
| 1508 | { |
---|
| 1509 | xReadUnaryMaxSymbol( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0 ) + 3, 0, 3 ); |
---|
| 1510 | uiSymbol++; |
---|
| 1511 | } |
---|
| 1512 | #endif |
---|
| 1513 | |
---|
| 1514 | #if ADD_PLANAR_MODE |
---|
| 1515 | if (uiSymbol == 2) |
---|
| 1516 | { |
---|
| 1517 | #if CHROMA_CODEWORD |
---|
| 1518 | uiMode = pcCU->getLumaIntraDir(uiAbsPartIdx); |
---|
| 1519 | if (uiMode == 2) |
---|
| 1520 | { |
---|
| 1521 | uiSymbol = PLANAR_IDX; |
---|
| 1522 | } |
---|
| 1523 | else if (uiMode != PLANAR_IDX) |
---|
| 1524 | #endif |
---|
| 1525 | { |
---|
| 1526 | UInt planarFlag; |
---|
| 1527 | m_pcTDecBinIf->decodeBin( planarFlag, m_cPlanarFlagSCModel.get(0,0,1) ); |
---|
| 1528 | if ( planarFlag ) |
---|
| 1529 | { |
---|
| 1530 | uiSymbol = PLANAR_IDX; |
---|
| 1531 | } |
---|
| 1532 | } |
---|
| 1533 | } |
---|
| 1534 | #endif |
---|
| 1535 | pcCU->setChromIntraDirSubParts( uiSymbol, uiAbsPartIdx, uiDepth ); |
---|
| 1536 | |
---|
| 1537 | return; |
---|
| 1538 | } |
---|
| 1539 | |
---|
| 1540 | Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1541 | { |
---|
| 1542 | UInt uiSymbol; |
---|
| 1543 | UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx ); |
---|
| 1544 | |
---|
| 1545 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUInterDirSCModel.get( 0, 0, uiCtx ) ); |
---|
| 1546 | |
---|
| 1547 | if ( uiSymbol ) |
---|
| 1548 | { |
---|
| 1549 | uiSymbol = 2; |
---|
| 1550 | } |
---|
| 1551 | #if DCM_COMB_LIST |
---|
| 1552 | else if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0) |
---|
| 1553 | { |
---|
| 1554 | uiSymbol = 0; |
---|
| 1555 | } |
---|
| 1556 | #endif |
---|
| 1557 | else if ( pcCU->getSlice()->getNoBackPredFlag() ) |
---|
| 1558 | { |
---|
| 1559 | uiSymbol = 0; |
---|
| 1560 | } |
---|
| 1561 | else |
---|
| 1562 | { |
---|
| 1563 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUInterDirSCModel.get( 0, 0, 3 ) ); |
---|
| 1564 | } |
---|
| 1565 | uiSymbol++; |
---|
| 1566 | ruiInterDir = uiSymbol; |
---|
| 1567 | return; |
---|
| 1568 | } |
---|
| 1569 | |
---|
| 1570 | Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
| 1571 | { |
---|
| 1572 | UInt uiSymbol; |
---|
| 1573 | |
---|
| 1574 | #if DCM_COMB_LIST |
---|
| 1575 | if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C ) > 0 && eRefList==REF_PIC_LIST_C) |
---|
| 1576 | { |
---|
| 1577 | UInt uiCtx; |
---|
| 1578 | |
---|
| 1579 | uiCtx = pcCU->getCtxRefIdx( uiAbsPartIdx, RefPicList(pcCU->getSlice()->getListIdFromIdxOfLC(0)) ); |
---|
| 1580 | |
---|
| 1581 | m_pcTDecBinIf->decodeBin ( uiSymbol, m_cCURefPicSCModel.get( 0, 0, uiCtx ) ); |
---|
| 1582 | |
---|
| 1583 | if ( uiSymbol ) |
---|
| 1584 | { |
---|
| 1585 | xReadUnaryMaxSymbol( uiSymbol, &m_cCURefPicSCModel.get( 0, 0, 4 ), 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 ); |
---|
| 1586 | |
---|
| 1587 | uiSymbol++; |
---|
| 1588 | } |
---|
| 1589 | |
---|
| 1590 | riRefFrmIdx = uiSymbol; |
---|
| 1591 | } |
---|
| 1592 | else |
---|
| 1593 | { |
---|
| 1594 | #endif |
---|
| 1595 | |
---|
| 1596 | UInt uiCtx = pcCU->getCtxRefIdx( uiAbsPartIdx, eRefList ); |
---|
| 1597 | |
---|
| 1598 | m_pcTDecBinIf->decodeBin ( uiSymbol, m_cCURefPicSCModel.get( 0, 0, uiCtx ) ); |
---|
| 1599 | if ( uiSymbol ) |
---|
| 1600 | { |
---|
| 1601 | xReadUnaryMaxSymbol( uiSymbol, &m_cCURefPicSCModel.get( 0, 0, 4 ), 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 ); |
---|
| 1602 | |
---|
| 1603 | uiSymbol++; |
---|
| 1604 | } |
---|
| 1605 | riRefFrmIdx = uiSymbol; |
---|
| 1606 | |
---|
| 1607 | #if DCM_COMB_LIST |
---|
| 1608 | } |
---|
| 1609 | #endif |
---|
| 1610 | |
---|
| 1611 | return; |
---|
| 1612 | } |
---|
| 1613 | |
---|
| 1614 | Void TDecSbac::parseViewIdx(Int &riViewIdx) |
---|
| 1615 | { |
---|
| 1616 | assert(0) ; // not implemented yet |
---|
| 1617 | UInt uiSymbol; |
---|
| 1618 | xReadUnaryMaxSymbol(uiSymbol, &m_cViewIdxSCModel.get(0,0,4), 1, MAX_NUMBER_VIEWS); |
---|
| 1619 | riViewIdx = uiSymbol; |
---|
| 1620 | } |
---|
| 1621 | |
---|
| 1622 | Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
| 1623 | { |
---|
| 1624 | Int iHor, iVer; |
---|
| 1625 | UInt uiAbsPartIdxL, uiAbsPartIdxA; |
---|
| 1626 | #if MVD_CTX |
---|
| 1627 | Int iHorPredL, iVerPredL; |
---|
| 1628 | Int iHorPredA, iVerPredA; |
---|
| 1629 | #else |
---|
| 1630 | Int iHorPred, iVerPred; |
---|
| 1631 | #endif |
---|
| 1632 | |
---|
| 1633 | TComDataCU* pcCUL = pcCU->getPULeft ( uiAbsPartIdxL, pcCU->getZorderIdxInCU() + uiAbsPartIdx ); |
---|
| 1634 | TComDataCU* pcCUA = pcCU->getPUAbove( uiAbsPartIdxA, pcCU->getZorderIdxInCU() + uiAbsPartIdx ); |
---|
| 1635 | |
---|
| 1636 | TComCUMvField* pcCUMvFieldL = ( pcCUL == NULL || pcCUL->isIntra( uiAbsPartIdxL ) ) ? NULL : pcCUL->getCUMvField( eRefList ); |
---|
| 1637 | TComCUMvField* pcCUMvFieldA = ( pcCUA == NULL || pcCUA->isIntra( uiAbsPartIdxA ) ) ? NULL : pcCUA->getCUMvField( eRefList ); |
---|
| 1638 | |
---|
| 1639 | #if MVD_CTX |
---|
| 1640 | iHorPredL = ( (pcCUMvFieldL == NULL) ? 0 : pcCUMvFieldL->getMvd( uiAbsPartIdxL ).getAbsHor() ); |
---|
| 1641 | iVerPredL = ( (pcCUMvFieldL == NULL) ? 0 : pcCUMvFieldL->getMvd( uiAbsPartIdxL ).getAbsVer() ); |
---|
| 1642 | iHorPredA = ( (pcCUMvFieldA == NULL) ? 0 : pcCUMvFieldA->getMvd( uiAbsPartIdxA ).getAbsHor() ); |
---|
| 1643 | iVerPredA = ( (pcCUMvFieldA == NULL) ? 0 : pcCUMvFieldA->getMvd( uiAbsPartIdxA ).getAbsVer() ); |
---|
| 1644 | #else |
---|
| 1645 | iHorPred = ( (pcCUMvFieldL == NULL) ? 0 : pcCUMvFieldL->getMvd( uiAbsPartIdxL ).getAbsHor() ) + |
---|
| 1646 | ( (pcCUMvFieldA == NULL) ? 0 : pcCUMvFieldA->getMvd( uiAbsPartIdxA ).getAbsHor() ); |
---|
| 1647 | iVerPred = ( (pcCUMvFieldL == NULL) ? 0 : pcCUMvFieldL->getMvd( uiAbsPartIdxL ).getAbsVer() ) + |
---|
| 1648 | ( (pcCUMvFieldA == NULL) ? 0 : pcCUMvFieldA->getMvd( uiAbsPartIdxA ).getAbsVer() ); |
---|
| 1649 | #endif |
---|
| 1650 | |
---|
| 1651 | TComMv cTmpMv( 0, 0 ); |
---|
| 1652 | pcCU->getCUMvField( eRefList )->setAllMv( cTmpMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiPartIdx, uiDepth ); |
---|
| 1653 | |
---|
| 1654 | #if MVD_CTX |
---|
| 1655 | xReadMvd( iHor, iHorPredL, iHorPredA, 0 ); |
---|
| 1656 | xReadMvd( iVer, iVerPredL, iVerPredA, 1 ); |
---|
| 1657 | #else |
---|
| 1658 | xReadMvd( iHor, iHorPred, 0 ); |
---|
| 1659 | xReadMvd( iVer, iVerPred, 1 ); |
---|
| 1660 | #endif |
---|
| 1661 | |
---|
| 1662 | // set mvd |
---|
| 1663 | TComMv cMv( iHor, iVer ); |
---|
| 1664 | pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiPartIdx, uiDepth ); |
---|
| 1665 | |
---|
| 1666 | return; |
---|
| 1667 | } |
---|
| 1668 | |
---|
| 1669 | |
---|
| 1670 | Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) |
---|
| 1671 | { |
---|
| 1672 | m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) ); |
---|
| 1673 | DTRACE_CABAC_V( g_nSymbolCounter++ ) |
---|
| 1674 | DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" ) |
---|
| 1675 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1676 | DTRACE_CABAC_V( ruiSubdivFlag ) |
---|
| 1677 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1678 | DTRACE_CABAC_V( uiLog2TransformBlockSize ) |
---|
| 1679 | DTRACE_CABAC_T( "\n" ) |
---|
| 1680 | } |
---|
| 1681 | |
---|
| 1682 | Void TDecSbac::parseQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ) |
---|
| 1683 | { |
---|
| 1684 | UInt uiSymbol; |
---|
| 1685 | const UInt uiCtx = pcCU->getCtxQtRootCbf( uiAbsPartIdx ); |
---|
| 1686 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) ); |
---|
| 1687 | DTRACE_CABAC_V( g_nSymbolCounter++ ) |
---|
| 1688 | DTRACE_CABAC_T( "\tparseQtRootCbf()" ) |
---|
| 1689 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1690 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1691 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1692 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1693 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1694 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1695 | DTRACE_CABAC_T( "\n" ) |
---|
| 1696 | |
---|
| 1697 | uiQtRootCbf = uiSymbol; |
---|
| 1698 | } |
---|
| 1699 | |
---|
| 1700 | Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1701 | { |
---|
| 1702 | UInt uiDQp; |
---|
| 1703 | Int iDQp; |
---|
| 1704 | |
---|
| 1705 | m_pcTDecBinIf->decodeBin( uiDQp, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) ); |
---|
| 1706 | |
---|
| 1707 | if ( uiDQp == 0 ) |
---|
| 1708 | { |
---|
| 1709 | uiDQp = pcCU->getSlice()->getSliceQp(); |
---|
| 1710 | } |
---|
| 1711 | else |
---|
| 1712 | { |
---|
| 1713 | xReadUnarySymbol( uiDQp, &m_cCUDeltaQpSCModel.get( 0, 0, 2 ), 1 ); |
---|
| 1714 | iDQp = ( uiDQp + 2 ) / 2; |
---|
| 1715 | |
---|
| 1716 | if ( uiDQp & 1 ) |
---|
| 1717 | { |
---|
| 1718 | iDQp = -iDQp; |
---|
| 1719 | } |
---|
| 1720 | uiDQp = pcCU->getSlice()->getSliceQp() + iDQp; |
---|
| 1721 | } |
---|
| 1722 | |
---|
| 1723 | pcCU->setQPSubParts( uiDQp, uiAbsPartIdx, uiDepth ); |
---|
| 1724 | } |
---|
| 1725 | |
---|
| 1726 | Void TDecSbac::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) |
---|
| 1727 | { |
---|
| 1728 | UInt uiSymbol; |
---|
| 1729 | const UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth ); |
---|
| 1730 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtCbfSCModel.get( 0, eType ? eType - 1: eType, uiCtx ) ); |
---|
| 1731 | |
---|
| 1732 | DTRACE_CABAC_V( g_nSymbolCounter++ ) |
---|
| 1733 | DTRACE_CABAC_T( "\tparseQtCbf()" ) |
---|
| 1734 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1735 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1736 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1737 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1738 | DTRACE_CABAC_T( "\tetype=" ) |
---|
| 1739 | DTRACE_CABAC_V( eType ) |
---|
| 1740 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1741 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1742 | DTRACE_CABAC_T( "\n" ) |
---|
| 1743 | |
---|
| 1744 | pcCU->setCbfSubParts( uiSymbol << uiTrDepth, eType, uiAbsPartIdx, uiDepth ); |
---|
| 1745 | } |
---|
| 1746 | |
---|
| 1747 | |
---|
| 1748 | #if PCP_SIGMAP_SIMPLE_LAST |
---|
| 1749 | /** Parse (X,Y) position of the last significant coefficient |
---|
| 1750 | * \param uiPosLastX reference to X component of last coefficient |
---|
| 1751 | * \param uiPosLastY reference to Y component of last coefficient |
---|
| 1752 | * \param uiWidth block width |
---|
| 1753 | * \param eTType plane type / luminance or chrominance |
---|
| 1754 | * \param uiCTXIdx block size context |
---|
| 1755 | * \param uiScanIdx scan type (zig-zag, hor, ver) |
---|
| 1756 | * \returns Void |
---|
| 1757 | * This method decodes the X and Y component within a block of the last significant coefficient. |
---|
| 1758 | */ |
---|
| 1759 | __inline Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, const UInt uiWidth, const TextType eTType, const UInt uiCTXIdx, const UInt uiScanIdx ) |
---|
| 1760 | { |
---|
| 1761 | UInt uiLast; |
---|
| 1762 | const UInt uiCtxOffset = g_uiCtxXYOffset[uiCTXIdx]; |
---|
| 1763 | |
---|
| 1764 | for(uiPosLastX=0; uiPosLastX<uiWidth-1; uiPosLastX++) |
---|
| 1765 | { |
---|
| 1766 | m_pcTDecBinIf->decodeBin( uiLast, m_cCuCtxLastX.get( 0, eTType, uiCtxOffset + g_uiCtxXY[uiPosLastX] ) ); |
---|
| 1767 | if(uiLast) |
---|
| 1768 | { |
---|
| 1769 | break; |
---|
| 1770 | } |
---|
| 1771 | } |
---|
| 1772 | |
---|
| 1773 | for(uiPosLastY=0; uiPosLastY<uiWidth-1; uiPosLastY++) |
---|
| 1774 | { |
---|
| 1775 | m_pcTDecBinIf->decodeBin( uiLast, m_cCuCtxLastY.get( 0, eTType, uiCtxOffset + g_uiCtxXY[uiPosLastY] ) ); |
---|
| 1776 | if(uiLast) |
---|
| 1777 | { |
---|
| 1778 | break; |
---|
| 1779 | } |
---|
| 1780 | } |
---|
| 1781 | |
---|
| 1782 | if( uiScanIdx == SCAN_VER ) |
---|
| 1783 | { |
---|
| 1784 | swap( uiPosLastX, uiPosLastY ); |
---|
| 1785 | } |
---|
| 1786 | } |
---|
| 1787 | #endif |
---|
| 1788 | |
---|
| 1789 | Void TDecSbac::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) |
---|
| 1790 | { |
---|
| 1791 | DTRACE_CABAC_V( g_nSymbolCounter++ ) |
---|
| 1792 | DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" ) |
---|
| 1793 | DTRACE_CABAC_V( eTType ) |
---|
| 1794 | DTRACE_CABAC_T( "\twidth=" ) |
---|
| 1795 | DTRACE_CABAC_V( uiWidth ) |
---|
| 1796 | DTRACE_CABAC_T( "\theight=" ) |
---|
| 1797 | DTRACE_CABAC_V( uiHeight ) |
---|
| 1798 | DTRACE_CABAC_T( "\tdepth=" ) |
---|
| 1799 | DTRACE_CABAC_V( uiDepth ) |
---|
| 1800 | DTRACE_CABAC_T( "\tabspartidx=" ) |
---|
| 1801 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1802 | DTRACE_CABAC_T( "\ttoCU-X=" ) |
---|
| 1803 | DTRACE_CABAC_V( pcCU->getCUPelX() ) |
---|
| 1804 | DTRACE_CABAC_T( "\ttoCU-Y=" ) |
---|
| 1805 | DTRACE_CABAC_V( pcCU->getCUPelY() ) |
---|
| 1806 | DTRACE_CABAC_T( "\tCU-addr=" ) |
---|
| 1807 | DTRACE_CABAC_V( pcCU->getAddr() ) |
---|
| 1808 | DTRACE_CABAC_T( "\tinCU-X=" ) |
---|
| 1809 | DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1810 | DTRACE_CABAC_T( "\tinCU-Y=" ) |
---|
| 1811 | DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1812 | DTRACE_CABAC_T( "\tpredmode=" ) |
---|
| 1813 | DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) ) |
---|
| 1814 | DTRACE_CABAC_T( "\n" ) |
---|
| 1815 | |
---|
| 1816 | if( uiWidth > pcCU->getSlice()->getSPS()->getMaxTrSize() ) |
---|
| 1817 | { |
---|
| 1818 | uiWidth = pcCU->getSlice()->getSPS()->getMaxTrSize(); |
---|
| 1819 | uiHeight = pcCU->getSlice()->getSPS()->getMaxTrSize(); |
---|
| 1820 | } |
---|
| 1821 | |
---|
| 1822 | UInt uiCTXIdx; |
---|
| 1823 | |
---|
| 1824 | switch(uiWidth) |
---|
| 1825 | { |
---|
| 1826 | case 2: uiCTXIdx = 6; break; |
---|
| 1827 | case 4: uiCTXIdx = 5; break; |
---|
| 1828 | case 8: uiCTXIdx = 4; break; |
---|
| 1829 | case 16: uiCTXIdx = 3; break; |
---|
| 1830 | case 32: uiCTXIdx = 2; break; |
---|
| 1831 | case 64: uiCTXIdx = 1; break; |
---|
| 1832 | default: uiCTXIdx = 0; break; |
---|
| 1833 | } |
---|
| 1834 | |
---|
| 1835 | eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA ); |
---|
| 1836 | |
---|
| 1837 | //----- parse significance map ----- |
---|
| 1838 | const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2; |
---|
| 1839 | const UInt uiMaxNumCoeff = 1 << ( uiLog2BlockSize << 1 ); |
---|
| 1840 | const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1; |
---|
| 1841 | const UInt uiNum4x4Blk = max<UInt>( 1, uiMaxNumCoeff >> 4 ); |
---|
| 1842 | #if !PCP_SIGMAP_SIMPLE_LAST |
---|
| 1843 | bool bLastReceived = false; |
---|
| 1844 | #endif |
---|
| 1845 | #if QC_MDCS |
---|
| 1846 | const UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx)); |
---|
| 1847 | #endif //QC_MDCS |
---|
| 1848 | |
---|
| 1849 | #if PCP_SIGMAP_SIMPLE_LAST |
---|
| 1850 | //===== decode last significant ===== |
---|
| 1851 | UInt uiPosLastX, uiPosLastY; |
---|
| 1852 | parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, eTType, uiCTXIdx, uiScanIdx ); |
---|
| 1853 | UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockSize); |
---|
| 1854 | pcCoef[ uiBlkPosLast ] = 1; |
---|
| 1855 | |
---|
| 1856 | //===== decode significance flags ===== |
---|
| 1857 | for( UInt uiScanPos = 0; uiScanPos < uiMaxNumCoeffM1; uiScanPos++ ) |
---|
| 1858 | { |
---|
| 1859 | #if QC_MDCS |
---|
| 1860 | UInt uiBlkPos = g_auiSigLastScan[uiScanIdx][uiLog2BlockSize-1][uiScanPos]; |
---|
| 1861 | #else |
---|
| 1862 | UInt uiBlkPos = g_auiFrameScanXY[ uiLog2BlockSize-1 ][ uiScanPos ]; |
---|
| 1863 | #endif //QC_MDCS |
---|
| 1864 | if( uiBlkPosLast == uiBlkPos ) |
---|
| 1865 | { |
---|
| 1866 | break; |
---|
| 1867 | } |
---|
| 1868 | UInt uiPosY = uiBlkPos >> uiLog2BlockSize; |
---|
| 1869 | UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize ); |
---|
| 1870 | UInt uiSig = 0; |
---|
| 1871 | UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, uiLog2BlockSize, uiWidth ); |
---|
| 1872 | #if SIMPLE_CONTEXT_SIG |
---|
| 1873 | if( uiCtxSig < 4 || eTType ) |
---|
| 1874 | { |
---|
| 1875 | m_pcTDecBinIf->decodeBin( uiSig, m_cCUSigSCModel.get( uiCTXIdx-2, eTType, uiCtxSig ) ); |
---|
| 1876 | } |
---|
| 1877 | else |
---|
| 1878 | { |
---|
| 1879 | m_pcTDecBinIf->decodeBin( uiSig, m_cCUSigSCModel.get( uiCTXIdx-2 ? uiCTXIdx-2 : 1 , eTType, uiCtxSig ) ); |
---|
| 1880 | } |
---|
| 1881 | #else |
---|
| 1882 | m_pcTDecBinIf->decodeBin( uiSig, m_cCUSigSCModel.get( uiCTXIdx, eTType, uiCtxSig ) ); |
---|
| 1883 | #endif |
---|
| 1884 | pcCoef[ uiBlkPos ] = uiSig; |
---|
| 1885 | } |
---|
| 1886 | |
---|
| 1887 | #else |
---|
| 1888 | for( UInt uiScanPos = 0; uiScanPos < uiMaxNumCoeffM1; uiScanPos++ ) |
---|
| 1889 | { |
---|
| 1890 | #if QC_MDCS |
---|
| 1891 | UInt uiBlkPos = g_auiSigLastScan[uiScanIdx][uiLog2BlockSize-1][uiScanPos]; |
---|
| 1892 | #else |
---|
| 1893 | UInt uiBlkPos = g_auiFrameScanXY[ uiLog2BlockSize-1 ][ uiScanPos ]; |
---|
| 1894 | #endif //QC_MDCS |
---|
| 1895 | UInt uiPosY = uiBlkPos >> uiLog2BlockSize; |
---|
| 1896 | UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize ); |
---|
| 1897 | |
---|
| 1898 | //===== code significance flag ===== |
---|
| 1899 | UInt uiSig = 0; |
---|
| 1900 | UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, uiLog2BlockSize, uiWidth ); |
---|
| 1901 | #if SIMPLE_CONTEXT_SIG |
---|
| 1902 | if( uiCtxSig < 4 || eTType ) |
---|
| 1903 | { |
---|
| 1904 | m_pcTDecBinIf->decodeBin( uiSig, m_cCUSigSCModel.get( uiCTXIdx-2, eTType, uiCtxSig ) ); |
---|
| 1905 | } |
---|
| 1906 | else |
---|
| 1907 | { |
---|
| 1908 | m_pcTDecBinIf->decodeBin( uiSig, m_cCUSigSCModel.get( uiCTXIdx-2 ? uiCTXIdx-2 : 1 , eTType, uiCtxSig ) ); |
---|
| 1909 | } |
---|
| 1910 | #else |
---|
| 1911 | m_pcTDecBinIf->decodeBin( uiSig, m_cCUSigSCModel.get( uiCTXIdx, eTType, uiCtxSig ) ); |
---|
| 1912 | #endif |
---|
| 1913 | if( uiSig ) |
---|
| 1914 | { |
---|
| 1915 | pcCoef[ uiBlkPos ] = 1; |
---|
| 1916 | |
---|
| 1917 | //===== code last flag ===== |
---|
| 1918 | UInt uiLast = 0; |
---|
| 1919 | UInt uiCtxLast = TComTrQuant::getLastCtxInc( uiPosX, uiPosY, uiLog2BlockSize ); |
---|
| 1920 | m_pcTDecBinIf->decodeBin( uiLast, m_cCULastSCModel.get( uiCTXIdx, eTType, uiCtxLast ) ); |
---|
| 1921 | |
---|
| 1922 | if( uiLast ) |
---|
| 1923 | { |
---|
| 1924 | bLastReceived = true; |
---|
| 1925 | break; |
---|
| 1926 | } |
---|
| 1927 | } |
---|
| 1928 | } |
---|
| 1929 | if( !bLastReceived ) |
---|
| 1930 | { |
---|
| 1931 | pcCoef[ uiMaxNumCoeffM1 ] = 1; |
---|
| 1932 | } |
---|
| 1933 | #endif |
---|
| 1934 | |
---|
| 1935 | /* |
---|
| 1936 | * Sign and bin0 PCP (Section 3.2 and 3.3 of JCTVC-B088) |
---|
| 1937 | */ |
---|
| 1938 | Int c1, c2; |
---|
| 1939 | UInt uiSign; |
---|
| 1940 | UInt uiLevel; |
---|
| 1941 | #if E253 |
---|
| 1942 | UInt uiGoRiceParam = 0; |
---|
| 1943 | #endif |
---|
| 1944 | |
---|
| 1945 | if( uiNum4x4Blk > 1 ) |
---|
| 1946 | { |
---|
| 1947 | Bool b1stBlk = true; |
---|
| 1948 | UInt uiNumOne = 0; |
---|
| 1949 | |
---|
| 1950 | for( UInt uiSubBlk = 0; uiSubBlk < uiNum4x4Blk; uiSubBlk++ ) |
---|
| 1951 | { |
---|
| 1952 | UInt uiCtxSet = 0; |
---|
| 1953 | UInt uiSubNumSig = 0; |
---|
| 1954 | UInt uiSubPosX = 0; |
---|
| 1955 | UInt uiSubPosY = 0; |
---|
| 1956 | #if E253 |
---|
| 1957 | uiGoRiceParam = 0; |
---|
| 1958 | #endif |
---|
| 1959 | |
---|
| 1960 | uiSubPosX = g_auiFrameScanX[ g_aucConvertToBit[ uiWidth ] - 1 ][ uiSubBlk ] << 2; |
---|
| 1961 | uiSubPosY = g_auiFrameScanY[ g_aucConvertToBit[ uiWidth ] - 1 ][ uiSubBlk ] << 2; |
---|
| 1962 | |
---|
| 1963 | TCoeff* piCurr = &pcCoef[ uiSubPosX + uiSubPosY * uiWidth ]; |
---|
| 1964 | |
---|
| 1965 | for( UInt uiY = 0; uiY < 4; uiY++ ) |
---|
| 1966 | { |
---|
| 1967 | for( UInt uiX = 0; uiX < 4; uiX++ ) |
---|
| 1968 | { |
---|
| 1969 | if( piCurr[ uiX ] ) |
---|
| 1970 | { |
---|
| 1971 | uiSubNumSig++; |
---|
| 1972 | } |
---|
| 1973 | } |
---|
| 1974 | piCurr += uiWidth; |
---|
| 1975 | } |
---|
| 1976 | |
---|
| 1977 | if( uiSubNumSig > 0 ) |
---|
| 1978 | { |
---|
| 1979 | c1 = 1; |
---|
| 1980 | c2 = 0; |
---|
| 1981 | |
---|
| 1982 | if( b1stBlk ) |
---|
| 1983 | { |
---|
| 1984 | b1stBlk = false; |
---|
| 1985 | uiCtxSet = 5; |
---|
| 1986 | } |
---|
| 1987 | else |
---|
| 1988 | { |
---|
| 1989 | uiCtxSet = ( uiNumOne >> 2 ) + 1; |
---|
| 1990 | uiNumOne = 0; |
---|
| 1991 | } |
---|
| 1992 | |
---|
| 1993 | for( UInt uiScanPos = 0; uiScanPos < 16; uiScanPos++ ) |
---|
| 1994 | { |
---|
| 1995 | UInt uiBlkPos = g_auiFrameScanXY[ 1 ][ 15 - uiScanPos ]; |
---|
| 1996 | UInt uiPosY = uiBlkPos >> 2; |
---|
| 1997 | UInt uiPosX = uiBlkPos - ( uiPosY << 2 ); |
---|
| 1998 | UInt uiIndex = ( ( uiSubPosY + uiPosY ) << uiLog2BlockSize ) + uiSubPosX + uiPosX; |
---|
| 1999 | |
---|
| 2000 | uiLevel = pcCoef[ uiIndex ]; |
---|
| 2001 | |
---|
| 2002 | if( uiLevel ) |
---|
| 2003 | { |
---|
| 2004 | UInt uiCtx = min<UInt>(c1, 4); |
---|
| 2005 | m_pcTDecBinIf->decodeBin( uiLevel, m_cCUOneSCModel.get( 0, eTType, ( uiCtxSet << 2 ) + uiCtxSet + uiCtx ) ); |
---|
| 2006 | if( uiLevel == 1 ) |
---|
| 2007 | { |
---|
| 2008 | c1 = 0; |
---|
| 2009 | uiLevel = 2; |
---|
| 2010 | } |
---|
| 2011 | else if( c1 ) |
---|
| 2012 | { |
---|
| 2013 | c1++; |
---|
| 2014 | uiLevel++; |
---|
| 2015 | } |
---|
| 2016 | else |
---|
| 2017 | { |
---|
| 2018 | uiLevel++; |
---|
| 2019 | } |
---|
| 2020 | pcCoef[ uiIndex ] = uiLevel; |
---|
| 2021 | } |
---|
| 2022 | } |
---|
| 2023 | |
---|
| 2024 | for( UInt uiScanPos = 0; uiScanPos < 16; uiScanPos++ ) |
---|
| 2025 | { |
---|
| 2026 | UInt uiBlkPos = g_auiFrameScanXY[ 1 ][ 15 - uiScanPos ]; |
---|
| 2027 | UInt uiPosY = uiBlkPos >> 2; |
---|
| 2028 | UInt uiPosX = uiBlkPos - ( uiPosY << 2 ); |
---|
| 2029 | UInt uiIndex = ( ( uiSubPosY + uiPosY ) << uiLog2BlockSize ) + uiSubPosX + uiPosX; |
---|
| 2030 | |
---|
| 2031 | uiLevel = pcCoef[ uiIndex ]; |
---|
| 2032 | |
---|
| 2033 | if( uiLevel ) |
---|
| 2034 | { |
---|
| 2035 | if( uiLevel == 2 ) |
---|
| 2036 | { |
---|
| 2037 | UInt uiCtx = min<UInt>(c2, 4); |
---|
| 2038 | c2++; |
---|
| 2039 | uiNumOne++; |
---|
| 2040 | #if E253 |
---|
| 2041 | m_pcTDecBinIf->decodeBin( uiLevel, m_cCUAbsSCModel.get( 0, eTType, ( uiCtxSet << 2 ) + uiCtxSet + uiCtx ) ); |
---|
| 2042 | |
---|
| 2043 | if( uiLevel ) |
---|
| 2044 | { |
---|
| 2045 | xReadGoRiceExGolomb( uiLevel, uiGoRiceParam ); |
---|
| 2046 | uiLevel += 3; |
---|
| 2047 | } |
---|
| 2048 | else |
---|
| 2049 | { |
---|
| 2050 | uiLevel = 2; |
---|
| 2051 | } |
---|
| 2052 | #else |
---|
| 2053 | xReadExGolombLevel( uiLevel, m_cCUAbsSCModel.get( 0, eTType, ( uiCtxSet << 2 ) + uiCtxSet + uiCtx ) ); |
---|
| 2054 | uiLevel += 2; |
---|
| 2055 | #endif |
---|
| 2056 | } |
---|
| 2057 | pcCoef[ uiIndex ] = uiLevel; |
---|
| 2058 | } |
---|
| 2059 | } |
---|
| 2060 | |
---|
| 2061 | for( UInt uiScanPos = 0; uiScanPos < 16; uiScanPos++ ) |
---|
| 2062 | { |
---|
| 2063 | UInt uiBlkPos = g_auiFrameScanXY[ 1 ][ 15 - uiScanPos ]; |
---|
| 2064 | UInt uiPosY = uiBlkPos >> 2; |
---|
| 2065 | UInt uiPosX = uiBlkPos - ( uiPosY << 2 ); |
---|
| 2066 | UInt uiIndex = (uiSubPosY + uiPosY) * uiWidth + uiSubPosX + uiPosX; |
---|
| 2067 | |
---|
| 2068 | uiLevel = pcCoef[ uiIndex ]; |
---|
| 2069 | |
---|
| 2070 | if( uiLevel ) |
---|
| 2071 | { |
---|
| 2072 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2073 | pcCoef[ uiIndex ] = ( uiSign ? -(Int)uiLevel : (Int)uiLevel ); |
---|
| 2074 | } |
---|
| 2075 | } |
---|
| 2076 | } |
---|
| 2077 | } |
---|
| 2078 | } |
---|
| 2079 | else |
---|
| 2080 | { |
---|
| 2081 | c1 = 1; |
---|
| 2082 | c2 = 0; |
---|
| 2083 | |
---|
| 2084 | for( UInt uiScanPos = 0; uiScanPos < 16; uiScanPos++ ) |
---|
| 2085 | { |
---|
| 2086 | UInt uiIndex = g_auiFrameScanXY[ 1 ][ 15 - uiScanPos ]; |
---|
| 2087 | uiLevel = pcCoef[ uiIndex ]; |
---|
| 2088 | |
---|
| 2089 | if( uiLevel ) |
---|
| 2090 | { |
---|
| 2091 | UInt uiCtx = min<UInt>(c1, 4); |
---|
| 2092 | m_pcTDecBinIf->decodeBin( uiLevel, m_cCUOneSCModel.get( 0, eTType, uiCtx ) ); |
---|
| 2093 | if( uiLevel == 1 ) |
---|
| 2094 | { |
---|
| 2095 | c1 = 0; |
---|
| 2096 | uiLevel = 2; |
---|
| 2097 | } |
---|
| 2098 | else if( c1 ) |
---|
| 2099 | { |
---|
| 2100 | c1++; |
---|
| 2101 | uiLevel++; |
---|
| 2102 | } |
---|
| 2103 | else |
---|
| 2104 | { |
---|
| 2105 | uiLevel++; |
---|
| 2106 | } |
---|
| 2107 | pcCoef[ uiIndex ] = uiLevel; |
---|
| 2108 | } |
---|
| 2109 | } |
---|
| 2110 | |
---|
| 2111 | for( UInt uiScanPos = 0; uiScanPos < 16; uiScanPos++ ) |
---|
| 2112 | { |
---|
| 2113 | UInt uiIndex = g_auiFrameScanXY[ 1 ][ 15 - uiScanPos ]; |
---|
| 2114 | uiLevel = pcCoef[ uiIndex ]; |
---|
| 2115 | |
---|
| 2116 | if( uiLevel ) |
---|
| 2117 | { |
---|
| 2118 | if( uiLevel == 2 ) |
---|
| 2119 | { |
---|
| 2120 | UInt uiCtx = min<UInt>(c2, 4); |
---|
| 2121 | c2++; |
---|
| 2122 | #if E253 |
---|
| 2123 | m_pcTDecBinIf->decodeBin( uiLevel, m_cCUAbsSCModel.get( 0, eTType, uiCtx ) ); |
---|
| 2124 | |
---|
| 2125 | if( uiLevel ) |
---|
| 2126 | { |
---|
| 2127 | xReadGoRiceExGolomb( uiLevel, uiGoRiceParam ); |
---|
| 2128 | uiLevel += 3; |
---|
| 2129 | } |
---|
| 2130 | else |
---|
| 2131 | { |
---|
| 2132 | uiLevel = 2; |
---|
| 2133 | } |
---|
| 2134 | #else |
---|
| 2135 | xReadExGolombLevel( uiLevel, m_cCUAbsSCModel.get( 0, eTType, uiCtx ) ); |
---|
| 2136 | uiLevel += 2; |
---|
| 2137 | #endif |
---|
| 2138 | } |
---|
| 2139 | pcCoef[ uiIndex ] = uiLevel; |
---|
| 2140 | } |
---|
| 2141 | } |
---|
| 2142 | |
---|
| 2143 | for( UInt uiScanPos = 0; uiScanPos < 16; uiScanPos++ ) |
---|
| 2144 | { |
---|
| 2145 | UInt uiIndex = g_auiFrameScanXY[ 1 ][ 15 - uiScanPos ]; |
---|
| 2146 | uiLevel = pcCoef[ uiIndex ]; |
---|
| 2147 | |
---|
| 2148 | if( uiLevel ) |
---|
| 2149 | { |
---|
| 2150 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 2151 | pcCoef[ uiIndex ] = ( uiSign ? -(Int)uiLevel : (Int)uiLevel ); |
---|
| 2152 | } |
---|
| 2153 | } |
---|
| 2154 | } |
---|
| 2155 | |
---|
| 2156 | return; |
---|
| 2157 | } |
---|
| 2158 | |
---|
| 2159 | Void TDecSbac::parseAlfFlag (UInt& ruiVal) |
---|
| 2160 | { |
---|
| 2161 | UInt uiSymbol; |
---|
| 2162 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cALFFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 2163 | |
---|
| 2164 | ruiVal = uiSymbol; |
---|
| 2165 | } |
---|
| 2166 | |
---|
| 2167 | #if TSB_ALF_HEADER |
---|
| 2168 | Void TDecSbac::parseAlfFlagNum( UInt& ruiVal, UInt minValue, UInt depth ) |
---|
| 2169 | { |
---|
| 2170 | UInt uiLength = 0; |
---|
| 2171 | UInt maxValue = (minValue << (depth*2)); |
---|
| 2172 | UInt temp = maxValue - minValue; |
---|
| 2173 | for(UInt i=0; i<32; i++) |
---|
| 2174 | { |
---|
| 2175 | if(temp&0x1) |
---|
| 2176 | { |
---|
| 2177 | uiLength = i+1; |
---|
| 2178 | } |
---|
| 2179 | temp = (temp >> 1); |
---|
| 2180 | } |
---|
| 2181 | ruiVal = 0; |
---|
| 2182 | UInt uiBit; |
---|
| 2183 | if(uiLength) |
---|
| 2184 | { |
---|
| 2185 | while( uiLength-- ) |
---|
| 2186 | { |
---|
| 2187 | m_pcTDecBinIf->decodeBinEP( uiBit ); |
---|
| 2188 | ruiVal += uiBit << uiLength; |
---|
| 2189 | } |
---|
| 2190 | } |
---|
| 2191 | else |
---|
| 2192 | { |
---|
| 2193 | ruiVal = 0; |
---|
| 2194 | } |
---|
| 2195 | ruiVal += minValue; |
---|
| 2196 | } |
---|
| 2197 | |
---|
| 2198 | Void TDecSbac::parseAlfCtrlFlag( UInt &ruiAlfCtrlFlag ) |
---|
| 2199 | { |
---|
| 2200 | UInt uiSymbol; |
---|
| 2201 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 2202 | ruiAlfCtrlFlag = uiSymbol; |
---|
| 2203 | } |
---|
| 2204 | #endif |
---|
| 2205 | |
---|
| 2206 | Void TDecSbac::parseAlfUvlc (UInt& ruiVal) |
---|
| 2207 | { |
---|
| 2208 | UInt uiCode; |
---|
| 2209 | Int i; |
---|
| 2210 | |
---|
| 2211 | m_pcTDecBinIf->decodeBin( uiCode, m_cALFUvlcSCModel.get( 0, 0, 0 ) ); |
---|
| 2212 | if ( uiCode == 0 ) |
---|
| 2213 | { |
---|
| 2214 | ruiVal = 0; |
---|
| 2215 | return; |
---|
| 2216 | } |
---|
| 2217 | |
---|
| 2218 | i=1; |
---|
| 2219 | while (1) |
---|
| 2220 | { |
---|
| 2221 | m_pcTDecBinIf->decodeBin( uiCode, m_cALFUvlcSCModel.get( 0, 0, 1 ) ); |
---|
| 2222 | if ( uiCode == 0 ) break; |
---|
| 2223 | i++; |
---|
| 2224 | } |
---|
| 2225 | |
---|
| 2226 | ruiVal = i; |
---|
| 2227 | } |
---|
| 2228 | |
---|
| 2229 | Void TDecSbac::parseAlfSvlc (Int& riVal) |
---|
| 2230 | { |
---|
| 2231 | UInt uiCode; |
---|
| 2232 | Int iSign; |
---|
| 2233 | Int i; |
---|
| 2234 | |
---|
| 2235 | m_pcTDecBinIf->decodeBin( uiCode, m_cALFSvlcSCModel.get( 0, 0, 0 ) ); |
---|
| 2236 | |
---|
| 2237 | if ( uiCode == 0 ) |
---|
| 2238 | { |
---|
| 2239 | riVal = 0; |
---|
| 2240 | return; |
---|
| 2241 | } |
---|
| 2242 | |
---|
| 2243 | // read sign |
---|
| 2244 | m_pcTDecBinIf->decodeBin( uiCode, m_cALFSvlcSCModel.get( 0, 0, 1 ) ); |
---|
| 2245 | |
---|
| 2246 | if ( uiCode == 0 ) iSign = 1; |
---|
| 2247 | else iSign = -1; |
---|
| 2248 | |
---|
| 2249 | // read magnitude |
---|
| 2250 | i=1; |
---|
| 2251 | while (1) |
---|
| 2252 | { |
---|
| 2253 | m_pcTDecBinIf->decodeBin( uiCode, m_cALFSvlcSCModel.get( 0, 0, 2 ) ); |
---|
| 2254 | if ( uiCode == 0 ) break; |
---|
| 2255 | i++; |
---|
| 2256 | } |
---|
| 2257 | |
---|
| 2258 | riVal = i*iSign; |
---|
| 2259 | } |
---|
| 2260 | |
---|
| 2261 | #if MTK_SAO |
---|
| 2262 | Void TDecSbac::parseAoFlag (UInt& ruiVal) |
---|
| 2263 | { |
---|
| 2264 | UInt uiSymbol; |
---|
| 2265 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cAOFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 2266 | |
---|
| 2267 | ruiVal = uiSymbol; |
---|
| 2268 | } |
---|
| 2269 | |
---|
| 2270 | Void TDecSbac::parseAoUvlc (UInt& ruiVal) |
---|
| 2271 | { |
---|
| 2272 | UInt uiCode; |
---|
| 2273 | Int i; |
---|
| 2274 | |
---|
| 2275 | m_pcTDecBinIf->decodeBin( uiCode, m_cAOUvlcSCModel.get( 0, 0, 0 ) ); |
---|
| 2276 | if ( uiCode == 0 ) |
---|
| 2277 | { |
---|
| 2278 | ruiVal = 0; |
---|
| 2279 | return; |
---|
| 2280 | } |
---|
| 2281 | |
---|
| 2282 | i=1; |
---|
| 2283 | while (1) |
---|
| 2284 | { |
---|
| 2285 | m_pcTDecBinIf->decodeBin( uiCode, m_cAOUvlcSCModel.get( 0, 0, 1 ) ); |
---|
| 2286 | if ( uiCode == 0 ) break; |
---|
| 2287 | i++; |
---|
| 2288 | } |
---|
| 2289 | |
---|
| 2290 | ruiVal = i; |
---|
| 2291 | } |
---|
| 2292 | |
---|
| 2293 | Void TDecSbac::parseAoSvlc (Int& riVal) |
---|
| 2294 | { |
---|
| 2295 | UInt uiCode; |
---|
| 2296 | Int iSign; |
---|
| 2297 | Int i; |
---|
| 2298 | |
---|
| 2299 | m_pcTDecBinIf->decodeBin( uiCode, m_cAOSvlcSCModel.get( 0, 0, 0 ) ); |
---|
| 2300 | |
---|
| 2301 | if ( uiCode == 0 ) |
---|
| 2302 | { |
---|
| 2303 | riVal = 0; |
---|
| 2304 | return; |
---|
| 2305 | } |
---|
| 2306 | |
---|
| 2307 | // read sign |
---|
| 2308 | m_pcTDecBinIf->decodeBin( uiCode, m_cAOSvlcSCModel.get( 0, 0, 1 ) ); |
---|
| 2309 | |
---|
| 2310 | if ( uiCode == 0 ) iSign = 1; |
---|
| 2311 | else iSign = -1; |
---|
| 2312 | |
---|
| 2313 | // read magnitude |
---|
| 2314 | i=1; |
---|
| 2315 | while (1) |
---|
| 2316 | { |
---|
| 2317 | m_pcTDecBinIf->decodeBin( uiCode, m_cAOSvlcSCModel.get( 0, 0, 2 ) ); |
---|
| 2318 | if ( uiCode == 0 ) break; |
---|
| 2319 | i++; |
---|
| 2320 | } |
---|
| 2321 | |
---|
| 2322 | riVal = i*iSign; |
---|
| 2323 | } |
---|
| 2324 | #endif |
---|