[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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[1200] | 4 | * granted under this license. |
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[5] | 5 | * |
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[1200] | 6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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[5] | 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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[56] | 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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[5] | 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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[2] | 33 | |
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| 34 | /** \file TDecSbac.cpp |
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| 35 | \brief Context-adaptive entropy decoder class |
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| 36 | */ |
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| 37 | |
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| 38 | #include "TDecSbac.h" |
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[1200] | 39 | #include "TLibCommon/TComTU.h" |
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| 40 | #include "TLibCommon/TComTrQuant.h" |
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[2] | 41 | |
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[1200] | 42 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
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| 43 | #include "TLibCommon/TComCodingStatistics.h" |
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| 44 | // |
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| 45 | #define RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(a) , a |
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| 46 | #else |
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| 47 | #define RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(a) |
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| 48 | #endif |
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| 49 | |
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[56] | 50 | //! \ingroup TLibDecoder |
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| 51 | //! \{ |
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| 52 | |
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[1200] | 53 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
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| 54 | #include "../TLibCommon/Debug.h" |
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| 55 | #endif |
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| 56 | |
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| 57 | |
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[2] | 58 | ////////////////////////////////////////////////////////////////////// |
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| 59 | // Construction/Destruction |
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| 60 | ////////////////////////////////////////////////////////////////////// |
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| 61 | |
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[1200] | 62 | TDecSbac::TDecSbac() |
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[2] | 63 | // new structure here |
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[1200] | 64 | : m_pcBitstream ( 0 ) |
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| 65 | , m_pcTDecBinIf ( NULL ) |
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| 66 | , m_numContextModels ( 0 ) |
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| 67 | , m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 68 | , m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[1196] | 69 | #if H_3D |
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[1179] | 70 | , m_cCUDISFlagSCModel ( 1, 1, NUM_DIS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 71 | , m_cCUDISTypeSCModel ( 1, 1, NUM_DIS_TYPE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[1039] | 72 | #endif |
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[1200] | 73 | , m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 74 | , m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 75 | #if H_3D_ARP |
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| 76 | , m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[2] | 77 | #endif |
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[1225] | 78 | #if NH_3D_IC |
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[608] | 79 | , m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[443] | 80 | #endif |
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[1200] | 81 | , m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 82 | , m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 83 | , m_cCUIntraPredSCModel ( 1, 1, NUM_INTRA_PREDICT_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 84 | , m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 85 | , m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 86 | , m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 87 | , m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 88 | , m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 89 | , m_cCUQtCbfSCModel ( 1, NUM_QT_CBF_CTX_SETS, NUM_QT_CBF_CTX_PER_SET , m_contextModels + m_numContextModels, m_numContextModels) |
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| 90 | , m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 91 | , m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 92 | , m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 93 | , m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 94 | , m_cCuCtxLastX ( 1, NUM_CTX_LAST_FLAG_SETS, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels) |
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| 95 | , m_cCuCtxLastY ( 1, NUM_CTX_LAST_FLAG_SETS, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels) |
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| 96 | , m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 97 | , m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 98 | , m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 99 | , m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 100 | , m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 101 | , m_cTransformSkipSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 102 | , m_CUTransquantBypassFlagSCModel ( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 103 | , m_explicitRdpcmFlagSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_EXPLICIT_RDPCM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 104 | , m_explicitRdpcmDirSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_EXPLICIT_RDPCM_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 105 | , m_cCrossComponentPredictionSCModel ( 1, 1, NUM_CROSS_COMPONENT_PREDICTION_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 106 | , m_ChromaQpAdjFlagSCModel ( 1, 1, NUM_CHROMA_QP_ADJ_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 107 | , m_ChromaQpAdjIdcSCModel ( 1, 1, NUM_CHROMA_QP_ADJ_IDC_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 108 | #if H_3D_DIM |
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| 109 | , m_cDepthIntraModeSCModel ( 1, 1, NUM_DEPTH_INTRA_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 110 | , m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 111 | , m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[833] | 112 | , m_cAngleFlagSCModel ( 1, 1, NUM_ANGLE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[608] | 113 | #if H_3D_DIM_SDC |
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| 114 | , m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 115 | , m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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[100] | 116 | #endif |
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| 117 | #endif |
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[884] | 118 | #if H_3D_DIM_SDC |
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[833] | 119 | , m_cSDCFlagSCModel ( 1, 1, NUM_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 120 | #endif |
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| 121 | #if H_3D_DBBP |
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| 122 | , m_cDBBPFlagSCModel ( 1, 1, DBBP_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels) |
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| 123 | #endif |
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[1200] | 124 | |
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[2] | 125 | { |
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[56] | 126 | assert( m_numContextModels <= MAX_NUM_CTX_MOD ); |
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[2] | 127 | } |
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| 128 | |
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| 129 | TDecSbac::~TDecSbac() |
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| 130 | { |
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| 131 | } |
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| 132 | |
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| 133 | // ==================================================================================================================== |
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| 134 | // Public member functions |
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| 135 | // ==================================================================================================================== |
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| 136 | |
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[56] | 137 | Void TDecSbac::resetEntropy(TComSlice* pSlice) |
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[2] | 138 | { |
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[56] | 139 | SliceType sliceType = pSlice->getSliceType(); |
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| 140 | Int qp = pSlice->getSliceQp(); |
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| 141 | |
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| 142 | if (pSlice->getPPS()->getCabacInitPresentFlag() && pSlice->getCabacInitFlag()) |
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| 143 | { |
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| 144 | switch (sliceType) |
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| 145 | { |
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| 146 | case P_SLICE: // change initialization table to B_SLICE initialization |
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[1200] | 147 | sliceType = B_SLICE; |
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[56] | 148 | break; |
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| 149 | case B_SLICE: // change initialization table to P_SLICE initialization |
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[1200] | 150 | sliceType = P_SLICE; |
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[56] | 151 | break; |
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| 152 | default : // should not occur |
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| 153 | assert(0); |
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[1200] | 154 | break; |
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[56] | 155 | } |
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| 156 | } |
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| 157 | |
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[1200] | 158 | m_cCUSplitFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SPLIT_FLAG ); |
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| 159 | m_cCUSkipFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SKIP_FLAG ); |
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[1196] | 160 | #if H_3D |
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[1179] | 161 | m_cCUDISFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DIS_FLAG ); |
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| 162 | m_cCUDISTypeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DIS_TYPE ); |
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[1039] | 163 | #endif |
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[1200] | 164 | m_cCUMergeFlagExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT ); |
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| 165 | m_cCUMergeIdxExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_IDX_EXT ); |
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[608] | 166 | #if H_3D_ARP |
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| 167 | m_cCUPUARPWSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ARPW ); |
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[2] | 168 | #endif |
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[1225] | 169 | #if NH_3D_IC |
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[608] | 170 | m_cCUICFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_IC_FLAG ); |
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[443] | 171 | #endif |
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[1200] | 172 | m_cCUPartSizeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PART_SIZE ); |
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| 173 | m_cCUPredModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PRED_MODE ); |
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| 174 | m_cCUIntraPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTRA_PRED_MODE ); |
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| 175 | m_cCUChromaPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE ); |
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| 176 | m_cCUInterDirSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTER_DIR ); |
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| 177 | m_cCUMvdSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVD ); |
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| 178 | m_cCURefPicSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_REF_PIC ); |
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| 179 | m_cCUDeltaQpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DQP ); |
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| 180 | m_cCUQtCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_CBF ); |
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| 181 | m_cCUQtRootCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_ROOT_CBF ); |
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| 182 | m_cCUSigCoeffGroupSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_CG_FLAG ); |
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| 183 | m_cCUSigSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_FLAG ); |
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| 184 | m_cCuCtxLastX.initBuffer ( sliceType, qp, (UChar*)INIT_LAST ); |
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| 185 | m_cCuCtxLastY.initBuffer ( sliceType, qp, (UChar*)INIT_LAST ); |
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| 186 | m_cCUOneSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ONE_FLAG ); |
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| 187 | m_cCUAbsSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ABS_FLAG ); |
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| 188 | m_cMVPIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVP_IDX ); |
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| 189 | m_cSaoMergeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG ); |
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| 190 | m_cSaoTypeIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_TYPE_IDX ); |
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| 191 | m_cCUTransSubdivFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG ); |
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| 192 | m_cTransformSkipSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG ); |
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| 193 | m_CUTransquantBypassFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG ); |
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| 194 | m_explicitRdpcmFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_EXPLICIT_RDPCM_FLAG); |
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| 195 | m_explicitRdpcmDirSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_EXPLICIT_RDPCM_DIR); |
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| 196 | m_cCrossComponentPredictionSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CROSS_COMPONENT_PREDICTION ); |
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| 197 | m_ChromaQpAdjFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CHROMA_QP_ADJ_FLAG ); |
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| 198 | m_ChromaQpAdjIdcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CHROMA_QP_ADJ_IDC ); |
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[608] | 199 | #if H_3D_DIM |
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| 200 | m_cDepthIntraModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE ); |
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| 201 | m_cDdcFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DDC_FLAG ); |
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| 202 | m_cDdcDataSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DDC_DATA ); |
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[833] | 203 | m_cAngleFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ANGLE_FLAG ); |
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[608] | 204 | #if H_3D_DIM_SDC |
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| 205 | m_cSDCResidualFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_RESIDUAL_FLAG ); |
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| 206 | m_cSDCResidualSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_RESIDUAL ); |
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[2] | 207 | #endif |
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[443] | 208 | #endif |
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[884] | 209 | #if H_3D_DIM_SDC |
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[833] | 210 | m_cSDCFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_FLAG ); |
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| 211 | #endif |
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| 212 | #if H_3D_DBBP |
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| 213 | m_cDBBPFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DBBP_FLAG ); |
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| 214 | #endif |
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[1200] | 215 | |
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| 216 | for (UInt statisticIndex = 0; statisticIndex < RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS ; statisticIndex++) |
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| 217 | { |
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| 218 | m_golombRiceAdaptationStatistics[statisticIndex] = 0; |
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| 219 | } |
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| 220 | |
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[2] | 221 | m_pcTDecBinIf->start(); |
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| 222 | } |
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| 223 | |
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[1200] | 224 | Void TDecSbac::parseTerminatingBit( UInt& ruiBit ) |
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[56] | 225 | { |
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[1200] | 226 | m_pcTDecBinIf->decodeBinTrm( ruiBit ); |
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| 227 | if ( ruiBit == 1 ) |
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| 228 | { |
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| 229 | m_pcTDecBinIf->finish(); |
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| 230 | |
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| 231 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
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| 232 | TComCodingStatistics::IncrementStatisticEP(STATS__TRAILING_BITS, m_pcBitstream->readOutTrailingBits(),0); |
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| 233 | #else |
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| 234 | m_pcBitstream->readOutTrailingBits(); |
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| 235 | #endif |
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| 236 | } |
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| 237 | } |
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| 238 | |
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[1196] | 239 | #if H_3D |
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[1179] | 240 | m_cCUDISFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_FLAG ); |
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| 241 | m_cCUDISTypeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_TYPE ); |
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[1039] | 242 | #endif |
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[608] | 243 | #if H_3D_ARP |
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| 244 | m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW ); |
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[56] | 245 | #endif |
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[608] | 246 | #if H_3D_DIM |
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| 247 | m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE ); |
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| 248 | m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG ); |
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| 249 | m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA ); |
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[833] | 250 | m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG ); |
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[608] | 251 | #if H_3D_DIM_SDC |
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| 252 | m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG ); |
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| 253 | m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL ); |
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[443] | 254 | #endif |
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[189] | 255 | #endif |
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[884] | 256 | #if H_3D_DIM_SDC |
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[833] | 257 | m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG ); |
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| 258 | #endif |
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| 259 | #if H_3D_DBBP |
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| 260 | m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG ); |
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| 261 | #endif |
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[56] | 262 | |
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[1200] | 263 | |
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| 264 | Void TDecSbac::parseRemainingBytes( Bool noTrailingBytesExpected ) |
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[56] | 265 | { |
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[1200] | 266 | if (noTrailingBytesExpected) |
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[56] | 267 | { |
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[1200] | 268 | const UInt numberOfRemainingSubstreamBytes=m_pcBitstream->getNumBitsLeft(); |
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| 269 | assert (numberOfRemainingSubstreamBytes == 0); |
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[56] | 270 | } |
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[1200] | 271 | else |
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| 272 | { |
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| 273 | while (m_pcBitstream->getNumBitsLeft()) |
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| 274 | { |
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| 275 | UInt trailingNullByte=m_pcBitstream->readByte(); |
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| 276 | if (trailingNullByte!=0) |
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| 277 | { |
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| 278 | printf("Trailing byte should be 0, but has value %02x\n", trailingNullByte); |
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| 279 | assert(trailingNullByte==0); |
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| 280 | } |
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| 281 | } |
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| 282 | } |
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[56] | 283 | } |
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| 284 | |
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[1200] | 285 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
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| 286 | Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol, const class TComCodingStatisticsClassType &whichStat ) |
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| 287 | #else |
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[2] | 288 | Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ) |
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[1200] | 289 | #endif |
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[2] | 290 | { |
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| 291 | if (uiMaxSymbol == 0) |
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| 292 | { |
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| 293 | ruiSymbol = 0; |
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| 294 | return; |
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| 295 | } |
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[1200] | 296 | |
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| 297 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat) ); |
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| 298 | |
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[2] | 299 | if( ruiSymbol == 0 || uiMaxSymbol == 1 ) |
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| 300 | { |
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| 301 | return; |
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| 302 | } |
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[1200] | 303 | |
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[2] | 304 | UInt uiSymbol = 0; |
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| 305 | UInt uiCont; |
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[1200] | 306 | |
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[2] | 307 | do |
---|
| 308 | { |
---|
[1200] | 309 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat) ); |
---|
[2] | 310 | uiSymbol++; |
---|
[1200] | 311 | } while( uiCont && ( uiSymbol < uiMaxSymbol - 1 ) ); |
---|
| 312 | |
---|
[2] | 313 | if( uiCont && ( uiSymbol == uiMaxSymbol - 1 ) ) |
---|
| 314 | { |
---|
| 315 | uiSymbol++; |
---|
| 316 | } |
---|
[1200] | 317 | |
---|
[2] | 318 | ruiSymbol = uiSymbol; |
---|
| 319 | } |
---|
| 320 | |
---|
[1200] | 321 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 322 | Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount, const class TComCodingStatisticsClassType &whichStat ) |
---|
| 323 | #else |
---|
[2] | 324 | Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount ) |
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[1200] | 325 | #endif |
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[2] | 326 | { |
---|
| 327 | UInt uiSymbol = 0; |
---|
| 328 | UInt uiBit = 1; |
---|
[1200] | 329 | |
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[2] | 330 | while( uiBit ) |
---|
| 331 | { |
---|
[1200] | 332 | m_pcTDecBinIf->decodeBinEP( uiBit RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat) ); |
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[2] | 333 | uiSymbol += uiBit << uiCount++; |
---|
| 334 | } |
---|
[1200] | 335 | |
---|
[56] | 336 | if ( --uiCount ) |
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[2] | 337 | { |
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[56] | 338 | UInt bins; |
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[1200] | 339 | m_pcTDecBinIf->decodeBinsEP( bins, uiCount RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat) ); |
---|
[56] | 340 | uiSymbol += bins; |
---|
[2] | 341 | } |
---|
[1200] | 342 | |
---|
[2] | 343 | ruiSymbol = uiSymbol; |
---|
| 344 | } |
---|
| 345 | |
---|
[1200] | 346 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
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| 347 | Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, const class TComCodingStatisticsClassType &whichStat ) |
---|
| 348 | #else |
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[2] | 349 | Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset ) |
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[1200] | 350 | #endif |
---|
[2] | 351 | { |
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[1200] | 352 | m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat)); |
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| 353 | |
---|
[2] | 354 | if( !ruiSymbol ) |
---|
| 355 | { |
---|
| 356 | return; |
---|
| 357 | } |
---|
[1200] | 358 | |
---|
[2] | 359 | UInt uiSymbol = 0; |
---|
| 360 | UInt uiCont; |
---|
[1200] | 361 | |
---|
[2] | 362 | do |
---|
| 363 | { |
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[1200] | 364 | m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat)); |
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[2] | 365 | uiSymbol++; |
---|
[1200] | 366 | } while( uiCont ); |
---|
| 367 | |
---|
[2] | 368 | ruiSymbol = uiSymbol; |
---|
| 369 | } |
---|
| 370 | |
---|
[608] | 371 | |
---|
| 372 | /** Parsing of coeff_abs_level_remaing |
---|
[1200] | 373 | * \param rSymbol reference to coeff_abs_level_remaing |
---|
| 374 | * \param rParam reference to parameter |
---|
| 375 | * \param useLimitedPrefixLength |
---|
| 376 | * \param maxLog2TrDynamicRange |
---|
[2] | 377 | */ |
---|
[1200] | 378 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 379 | Void TDecSbac::xReadCoefRemainExGolomb ( UInt &rSymbol, UInt &rParam, const Bool useLimitedPrefixLength, const Int maxLog2TrDynamicRange, const class TComCodingStatisticsClassType &whichStat ) |
---|
| 380 | #else |
---|
| 381 | Void TDecSbac::xReadCoefRemainExGolomb ( UInt &rSymbol, UInt &rParam, const Bool useLimitedPrefixLength, const Int maxLog2TrDynamicRange ) |
---|
| 382 | #endif |
---|
[2] | 383 | { |
---|
[608] | 384 | UInt prefix = 0; |
---|
| 385 | UInt codeWord = 0; |
---|
[1200] | 386 | |
---|
| 387 | if (useLimitedPrefixLength) |
---|
[2] | 388 | { |
---|
[1200] | 389 | const UInt longestPossiblePrefix = (32 - (COEF_REMAIN_BIN_REDUCTION + maxLog2TrDynamicRange)) + COEF_REMAIN_BIN_REDUCTION; |
---|
| 390 | |
---|
| 391 | do |
---|
| 392 | { |
---|
| 393 | prefix++; |
---|
| 394 | m_pcTDecBinIf->decodeBinEP( codeWord RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat) ); |
---|
| 395 | } while((codeWord != 0) && (prefix < longestPossiblePrefix)); |
---|
[2] | 396 | } |
---|
[1200] | 397 | else |
---|
| 398 | { |
---|
| 399 | do |
---|
| 400 | { |
---|
| 401 | prefix++; |
---|
| 402 | m_pcTDecBinIf->decodeBinEP( codeWord RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat) ); |
---|
| 403 | } while( codeWord); |
---|
| 404 | } |
---|
| 405 | |
---|
[608] | 406 | codeWord = 1 - codeWord; |
---|
| 407 | prefix -= codeWord; |
---|
| 408 | codeWord=0; |
---|
[1200] | 409 | |
---|
[608] | 410 | if (prefix < COEF_REMAIN_BIN_REDUCTION ) |
---|
| 411 | { |
---|
[1200] | 412 | m_pcTDecBinIf->decodeBinsEP(codeWord,rParam RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat)); |
---|
[608] | 413 | rSymbol = (prefix<<rParam) + codeWord; |
---|
| 414 | } |
---|
[1200] | 415 | else if (useLimitedPrefixLength) |
---|
| 416 | { |
---|
| 417 | const UInt maximumPrefixLength = (32 - (COEF_REMAIN_BIN_REDUCTION + maxLog2TrDynamicRange)); |
---|
| 418 | |
---|
| 419 | const UInt prefixLength = prefix - COEF_REMAIN_BIN_REDUCTION; |
---|
| 420 | const UInt suffixLength = (prefixLength == maximumPrefixLength) ? (maxLog2TrDynamicRange - rParam) : prefixLength; |
---|
| 421 | |
---|
| 422 | m_pcTDecBinIf->decodeBinsEP(codeWord, (suffixLength + rParam) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat)); |
---|
| 423 | |
---|
| 424 | rSymbol = codeWord + ((((1 << prefixLength) - 1) + COEF_REMAIN_BIN_REDUCTION) << rParam); |
---|
| 425 | } |
---|
[608] | 426 | else |
---|
| 427 | { |
---|
[1200] | 428 | m_pcTDecBinIf->decodeBinsEP(codeWord,prefix-COEF_REMAIN_BIN_REDUCTION+rParam RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat)); |
---|
[608] | 429 | rSymbol = (((1<<(prefix-COEF_REMAIN_BIN_REDUCTION))+COEF_REMAIN_BIN_REDUCTION-1)<<rParam)+codeWord; |
---|
| 430 | } |
---|
| 431 | } |
---|
[2] | 432 | |
---|
[608] | 433 | #if H_3D_DIM |
---|
| 434 | Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel ) |
---|
| 435 | { |
---|
| 436 | UInt uiSymbol; |
---|
| 437 | UInt uiCount = 0; |
---|
| 438 | do |
---|
| 439 | { |
---|
| 440 | m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel ); |
---|
| 441 | uiCount++; |
---|
| 442 | } |
---|
[950] | 443 | while( uiSymbol && ( uiCount != 3 ) ); |
---|
[608] | 444 | ruiSymbol = uiCount - 1; |
---|
| 445 | |
---|
| 446 | if( uiSymbol ) |
---|
[2] | 447 | { |
---|
[608] | 448 | xReadEpExGolomb( uiSymbol, 0 ); |
---|
| 449 | ruiSymbol += uiSymbol + 1; |
---|
[2] | 450 | } |
---|
| 451 | |
---|
[608] | 452 | return; |
---|
| 453 | } |
---|
[2] | 454 | |
---|
[724] | 455 | Void TDecSbac::xParseDimDeltaDC( Pel& rValDeltaDC, UInt uiNumSeg ) |
---|
| 456 | { |
---|
| 457 | UInt absValDeltaDC = 0; |
---|
| 458 | xReadExGolombLevel( absValDeltaDC, m_cDdcDataSCModel.get(0, 0, 0) ); |
---|
| 459 | rValDeltaDC = (Pel)absValDeltaDC + ( uiNumSeg > 1 ? 0 : 1 ); |
---|
| 460 | |
---|
| 461 | if( rValDeltaDC != 0 ) |
---|
| 462 | { |
---|
| 463 | UInt uiSign; |
---|
| 464 | m_pcTDecBinIf->decodeBinEP( uiSign ); |
---|
| 465 | if ( uiSign ) |
---|
| 466 | { |
---|
| 467 | rValDeltaDC = -rValDeltaDC; |
---|
| 468 | } |
---|
| 469 | } |
---|
| 470 | } |
---|
[608] | 471 | |
---|
[724] | 472 | |
---|
[608] | 473 | #if H_3D_DIM_DMM |
---|
| 474 | Void TDecSbac::xParseDmm1WedgeIdx( UInt& ruiTabIdx, Int iNumBit ) |
---|
| 475 | { |
---|
| 476 | UInt uiSymbol, uiIdx = 0; |
---|
| 477 | for( Int i = 0; i < iNumBit; i++ ) |
---|
| 478 | { |
---|
[976] | 479 | m_pcTDecBinIf->decodeBinEP( uiSymbol ); |
---|
[608] | 480 | uiIdx += uiSymbol << i; |
---|
| 481 | } |
---|
| 482 | ruiTabIdx = uiIdx; |
---|
| 483 | } |
---|
| 484 | #endif |
---|
[2] | 485 | |
---|
[1084] | 486 | |
---|
[608] | 487 | #endif |
---|
[1200] | 488 | |
---|
| 489 | |
---|
| 490 | /** Parse I_PCM information. |
---|
[56] | 491 | * \param pcCU |
---|
[1200] | 492 | * \param uiAbsPartIdx |
---|
[56] | 493 | * \param uiDepth |
---|
| 494 | * \returns Void |
---|
| 495 | * |
---|
[1200] | 496 | * If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes. |
---|
[56] | 497 | */ |
---|
| 498 | Void TDecSbac::parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 499 | { |
---|
| 500 | UInt uiSymbol; |
---|
[56] | 501 | |
---|
[1196] | 502 | m_pcTDecBinIf->decodeBinTrm(uiSymbol); |
---|
[2] | 503 | |
---|
[608] | 504 | #if H_MV_ENC_DEC_TRAC |
---|
[1196] | 505 | DTRACE_CU("pcm_flag", uiSymbol) |
---|
[608] | 506 | #endif |
---|
[1200] | 507 | |
---|
| 508 | |
---|
| 509 | if (uiSymbol == 1) |
---|
[1196] | 510 | { |
---|
[56] | 511 | Bool bIpcmFlag = true; |
---|
[1200] | 512 | const TComSPS &sps=*(pcCU->getSlice()->getSPS()); |
---|
[56] | 513 | |
---|
| 514 | pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
[1200] | 515 | pcCU->setSizeSubParts ( sps.getMaxCUWidth()>>uiDepth, sps.getMaxCUHeight()>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
[608] | 516 | pcCU->setTrIdxSubParts ( 0, uiAbsPartIdx, uiDepth ); |
---|
[56] | 517 | pcCU->setIPCMFlagSubParts ( bIpcmFlag, uiAbsPartIdx, uiDepth ); |
---|
[2] | 518 | |
---|
[1200] | 519 | const UInt minCoeffSizeY = pcCU->getPic()->getMinCUWidth() * pcCU->getPic()->getMinCUHeight(); |
---|
| 520 | const UInt offsetY = minCoeffSizeY * uiAbsPartIdx; |
---|
| 521 | for (UInt ch=0; ch < pcCU->getPic()->getNumberValidComponents(); ch++) |
---|
[56] | 522 | { |
---|
[1200] | 523 | const ComponentID compID = ComponentID(ch); |
---|
| 524 | const UInt offset = offsetY >> (pcCU->getPic()->getComponentScaleX(compID) + pcCU->getPic()->getComponentScaleY(compID)); |
---|
| 525 | Pel * pPCMSample = pcCU->getPCMSample(compID) + offset; |
---|
| 526 | const UInt width = pcCU->getWidth (uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleX(compID); |
---|
| 527 | const UInt height = pcCU->getHeight(uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleY(compID); |
---|
| 528 | const UInt sampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepth(toChannelType(compID)); |
---|
| 529 | for (UInt y=0; y<height; y++) |
---|
[56] | 530 | { |
---|
[1200] | 531 | for (UInt x=0; x<width; x++) |
---|
[1196] | 532 | { |
---|
[1200] | 533 | UInt sample; |
---|
| 534 | m_pcTDecBinIf->xReadPCMCode(sampleBits, sample); |
---|
| 535 | pPCMSample[x] = sample; |
---|
[1196] | 536 | } |
---|
[1200] | 537 | pPCMSample += width; |
---|
[56] | 538 | } |
---|
[1179] | 539 | } |
---|
[608] | 540 | m_pcTDecBinIf->start(); |
---|
[2] | 541 | } |
---|
| 542 | } |
---|
| 543 | |
---|
[608] | 544 | Void TDecSbac::parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 545 | { |
---|
| 546 | UInt uiSymbol; |
---|
[1200] | 547 | m_pcTDecBinIf->decodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__TQ_BYPASS_FLAG) ); |
---|
[608] | 548 | #if H_MV_ENC_DEC_TRAC |
---|
| 549 | DTRACE_CU("cu_transquant_bypass_flag", uiSymbol); |
---|
| 550 | #endif |
---|
[1200] | 551 | |
---|
[608] | 552 | pcCU->setCUTransquantBypassSubParts(uiSymbol ? true : false, uiAbsPartIdx, uiDepth); |
---|
| 553 | } |
---|
| 554 | |
---|
[2] | 555 | /** parse skip flag |
---|
| 556 | * \param pcCU |
---|
[1200] | 557 | * \param uiAbsPartIdx |
---|
[2] | 558 | * \param uiDepth |
---|
| 559 | * \returns Void |
---|
| 560 | */ |
---|
| 561 | Void TDecSbac::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 562 | { |
---|
| 563 | if( pcCU->getSlice()->isIntra() ) |
---|
| 564 | { |
---|
| 565 | return; |
---|
| 566 | } |
---|
[1200] | 567 | |
---|
[2] | 568 | UInt uiSymbol = 0; |
---|
| 569 | UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ); |
---|
[1200] | 570 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__SKIP_FLAG) ); |
---|
[608] | 571 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 572 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
[2] | 573 | DTRACE_CABAC_T( "\tSkipFlag" ); |
---|
| 574 | DTRACE_CABAC_T( "\tuiCtxSkip: "); |
---|
| 575 | DTRACE_CABAC_V( uiCtxSkip ); |
---|
| 576 | DTRACE_CABAC_T( "\tuiSymbol: "); |
---|
| 577 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 578 | DTRACE_CABAC_T( "\n"); |
---|
[608] | 579 | #endif |
---|
[2] | 580 | if( uiSymbol ) |
---|
| 581 | { |
---|
[608] | 582 | pcCU->setSkipFlagSubParts( true, uiAbsPartIdx, uiDepth ); |
---|
| 583 | pcCU->setPredModeSubParts( MODE_INTER, uiAbsPartIdx, uiDepth ); |
---|
[2] | 584 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
[1200] | 585 | pcCU->setSizeSubParts( pcCU->getSlice()->getSPS()->getMaxCUWidth()>>uiDepth, pcCU->getSlice()->getSPS()->getMaxCUHeight()>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
[2] | 586 | pcCU->setMergeFlagSubParts( true , uiAbsPartIdx, 0, uiDepth ); |
---|
| 587 | } |
---|
[608] | 588 | #if H_MV_ENC_DEC_TRAC |
---|
| 589 | DTRACE_CU("cu_skip_flag", uiSymbol); |
---|
| 590 | #endif |
---|
[1200] | 591 | |
---|
[2] | 592 | } |
---|
[1196] | 593 | #if H_3D |
---|
[1179] | 594 | Void TDecSbac::parseDIS( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 595 | { |
---|
| 596 | pcCU->setDISFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 597 | UInt uiSymbol = 0; |
---|
| 598 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUDISFlagSCModel.get( 0, 0, 0 ) ); |
---|
| 599 | if( uiSymbol ) |
---|
| 600 | { |
---|
| 601 | pcCU->setDISFlagSubParts( true, uiAbsPartIdx, uiDepth ); |
---|
| 602 | pcCU->setSkipFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 603 | pcCU->setSDCFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 604 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 605 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 606 | pcCU->setLumaIntraDirSubParts (DC_IDX, uiAbsPartIdx, uiDepth ); |
---|
| 607 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 608 | pcCU->setMergeFlagSubParts( false , uiAbsPartIdx, 0, uiDepth ); |
---|
| 609 | pcCU->setTrIdxSubParts(0, uiAbsPartIdx, uiDepth); |
---|
| 610 | pcCU->setCbfSubParts(0, 1, 1, uiAbsPartIdx, uiDepth); |
---|
| 611 | |
---|
| 612 | UInt uiUnaryIdx = 0; |
---|
| 613 | UInt uiNumCand = 4; |
---|
| 614 | |
---|
| 615 | if ( uiNumCand > 1 ) |
---|
| 616 | { |
---|
| 617 | for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx ) |
---|
| 618 | { |
---|
| 619 | UInt uiSymbol2 = 0; |
---|
| 620 | if ( uiUnaryIdx==0 ) |
---|
| 621 | { |
---|
| 622 | m_pcTDecBinIf->decodeBin( uiSymbol2, m_cCUDISTypeSCModel.get( 0, 0, 0 ) ); |
---|
| 623 | } |
---|
| 624 | else |
---|
| 625 | { |
---|
| 626 | m_pcTDecBinIf->decodeBinEP( uiSymbol2); |
---|
| 627 | } |
---|
| 628 | if( uiSymbol2 == 0 ) |
---|
| 629 | { |
---|
| 630 | break; |
---|
| 631 | } |
---|
| 632 | } |
---|
| 633 | } |
---|
| 634 | pcCU->setDISTypeSubParts(uiUnaryIdx, uiAbsPartIdx, 0, uiDepth); |
---|
| 635 | } |
---|
| 636 | } |
---|
| 637 | #endif |
---|
[1200] | 638 | |
---|
| 639 | |
---|
[2] | 640 | /** parse merge flag |
---|
| 641 | * \param pcCU |
---|
[1200] | 642 | * \param uiAbsPartIdx |
---|
[2] | 643 | * \param uiDepth |
---|
| 644 | * \param uiPUIdx |
---|
| 645 | * \returns Void |
---|
| 646 | */ |
---|
| 647 | Void TDecSbac::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) |
---|
| 648 | { |
---|
| 649 | UInt uiSymbol; |
---|
[1200] | 650 | m_pcTDecBinIf->decodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MERGE_FLAG) ); |
---|
[608] | 651 | #if H_MV_ENC_DEC_TRAC |
---|
| 652 | DTRACE_PU("merge_flag", uiSymbol) |
---|
| 653 | #endif |
---|
[2] | 654 | pcCU->setMergeFlagSubParts( uiSymbol ? true : false, uiAbsPartIdx, uiPUIdx, uiDepth ); |
---|
[608] | 655 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 656 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
[2] | 657 | DTRACE_CABAC_T( "\tMergeFlag: " ); |
---|
| 658 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 659 | DTRACE_CABAC_T( "\tAddress: " ); |
---|
[1200] | 660 | DTRACE_CABAC_V( pcCU->getCtuRsAddr() ); |
---|
[2] | 661 | DTRACE_CABAC_T( "\tuiAbsPartIdx: " ); |
---|
| 662 | DTRACE_CABAC_V( uiAbsPartIdx ); |
---|
| 663 | DTRACE_CABAC_T( "\n" ); |
---|
[608] | 664 | #endif |
---|
[2] | 665 | } |
---|
| 666 | |
---|
[608] | 667 | Void TDecSbac::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex ) |
---|
[2] | 668 | { |
---|
[56] | 669 | UInt uiUnaryIdx = 0; |
---|
[608] | 670 | UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand(); |
---|
[56] | 671 | if ( uiNumCand > 1 ) |
---|
[2] | 672 | { |
---|
[56] | 673 | for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx ) |
---|
[2] | 674 | { |
---|
[56] | 675 | UInt uiSymbol = 0; |
---|
| 676 | if ( uiUnaryIdx==0 ) |
---|
[2] | 677 | { |
---|
[1200] | 678 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MERGE_INDEX) ); |
---|
[2] | 679 | } |
---|
[56] | 680 | else |
---|
| 681 | { |
---|
[1200] | 682 | m_pcTDecBinIf->decodeBinEP( uiSymbol RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MERGE_INDEX) ); |
---|
[56] | 683 | } |
---|
| 684 | if( uiSymbol == 0 ) |
---|
[2] | 685 | { |
---|
[56] | 686 | break; |
---|
[2] | 687 | } |
---|
| 688 | } |
---|
[608] | 689 | #if H_MV_ENC_DEC_TRAC |
---|
| 690 | DTRACE_PU("merge_idx", uiUnaryIdx) |
---|
| 691 | #endif |
---|
[2] | 692 | } |
---|
| 693 | ruiMergeIndex = uiUnaryIdx; |
---|
| 694 | |
---|
[608] | 695 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 696 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 697 | DTRACE_CABAC_T( "\tparseMergeIndex()" ) |
---|
| 698 | DTRACE_CABAC_T( "\tuiMRGIdx= " ) |
---|
| 699 | DTRACE_CABAC_V( ruiMergeIndex ) |
---|
| 700 | DTRACE_CABAC_T( "\n" ) |
---|
[2] | 701 | #endif |
---|
| 702 | } |
---|
| 703 | |
---|
[56] | 704 | Void TDecSbac::parseMVPIdx ( Int& riMVPIdx ) |
---|
| 705 | { |
---|
| 706 | UInt uiSymbol; |
---|
[1200] | 707 | xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, AMVP_MAX_NUM_CANDS-1 RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MVP_IDX) ); |
---|
[56] | 708 | riMVPIdx = uiSymbol; |
---|
| 709 | } |
---|
[2] | 710 | |
---|
| 711 | Void TDecSbac::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 712 | { |
---|
[1200] | 713 | if( uiDepth == pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize() ) |
---|
[2] | 714 | { |
---|
| 715 | pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx ); |
---|
| 716 | return; |
---|
| 717 | } |
---|
[1200] | 718 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 719 | const TComCodingStatisticsClassType ctype(STATS__CABAC_BITS__SPLIT_FLAG, g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxCUWidth()>>uiDepth]+2); |
---|
| 720 | #endif |
---|
[608] | 721 | |
---|
[2] | 722 | UInt uiSymbol; |
---|
[1256] | 723 | #if NH_3D_QTLPC |
---|
[189] | 724 | Bool bParseSplitFlag = true; |
---|
[1124] | 725 | Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag(); |
---|
[189] | 726 | TComPic *pcTexture = pcCU->getSlice()->getTexturePic(); |
---|
| 727 | Bool bDepthMapDetect = (pcTexture != NULL); |
---|
| 728 | Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE); |
---|
| 729 | |
---|
[608] | 730 | Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA); |
---|
| 731 | |
---|
[1084] | 732 | #if H_3D_FCO |
---|
[1066] | 733 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && bLimQtPredFlag && pcTexture->getReconMark()) |
---|
| 734 | #else |
---|
[1039] | 735 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && bLimQtPredFlag) |
---|
[1066] | 736 | #endif |
---|
[189] | 737 | { |
---|
[1256] | 738 | TComDataCU *pcTextureCU = pcTexture->getCtu(pcCU->getCtuRsAddr()); |
---|
[189] | 739 | assert(pcTextureCU->getDepth(uiAbsPartIdx) >= uiDepth); |
---|
| 740 | bParseSplitFlag = (pcTextureCU->getDepth(uiAbsPartIdx) > uiDepth); |
---|
| 741 | } |
---|
| 742 | |
---|
| 743 | if(bParseSplitFlag) |
---|
| 744 | { |
---|
| 745 | #endif |
---|
[1200] | 746 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
[608] | 747 | #if H_MV_ENC_DEC_TRAC |
---|
| 748 | DTRACE_CU("split_cu_flag", uiSymbol); |
---|
| 749 | #else |
---|
[1200] | 750 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 751 | DTRACE_CABAC_T( "\tSplitFlag\n" ) |
---|
[608] | 752 | #endif |
---|
[1256] | 753 | #if NH_3D_QTLPC |
---|
[189] | 754 | } |
---|
| 755 | else |
---|
[608] | 756 | { |
---|
[189] | 757 | uiSymbol = 0; |
---|
[608] | 758 | } |
---|
[189] | 759 | #endif |
---|
[2] | 760 | pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx ); |
---|
[1196] | 761 | |
---|
[2] | 762 | return; |
---|
| 763 | } |
---|
| 764 | |
---|
| 765 | /** parse partition size |
---|
| 766 | * \param pcCU |
---|
[1200] | 767 | * \param uiAbsPartIdx |
---|
[2] | 768 | * \param uiDepth |
---|
| 769 | * \returns Void |
---|
| 770 | */ |
---|
| 771 | Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 772 | { |
---|
| 773 | UInt uiSymbol, uiMode = 0; |
---|
| 774 | PartSize eMode; |
---|
[1200] | 775 | const UChar cuWidth =UChar(pcCU->getSlice()->getSPS()->getMaxCUWidth()>>uiDepth); |
---|
| 776 | const UChar cuHeight=UChar(pcCU->getSlice()->getSPS()->getMaxCUHeight()>>uiDepth); |
---|
| 777 | const Int log2DiffMaxMinCodingBlockSize = pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize(); |
---|
[189] | 778 | |
---|
[1200] | 779 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 780 | const TComCodingStatisticsClassType ctype(STATS__CABAC_BITS__PART_SIZE, g_aucConvertToBit[cuWidth]+2); |
---|
| 781 | #endif |
---|
| 782 | |
---|
| 783 | assert ( pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize() == log2DiffMaxMinCodingBlockSize); |
---|
| 784 | |
---|
[1256] | 785 | #if NH_3D_QTLPC |
---|
[189] | 786 | Bool bParsePartSize = true; |
---|
[1196] | 787 | |
---|
[1124] | 788 | Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag(); |
---|
[189] | 789 | TComPic *pcTexture = pcCU->getSlice()->getTexturePic(); |
---|
| 790 | Bool bDepthMapDetect = (pcTexture != NULL); |
---|
| 791 | Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE); |
---|
| 792 | |
---|
[608] | 793 | Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA); |
---|
| 794 | |
---|
[833] | 795 | Bool depthDependent = false; |
---|
| 796 | UInt uiTexturePart = uiMode; |
---|
[1084] | 797 | |
---|
| 798 | #if H_3D_FCO |
---|
[1066] | 799 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && bLimQtPredFlag && pcTexture->getReconMark()) |
---|
| 800 | #else |
---|
[1039] | 801 | if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && bLimQtPredFlag ) |
---|
[1066] | 802 | #endif |
---|
[189] | 803 | { |
---|
[1256] | 804 | TComDataCU *pcTextureCU = pcTexture->getCtu(pcCU->getCtuRsAddr()); |
---|
[189] | 805 | assert(pcTextureCU->getDepth(uiAbsPartIdx) >= uiDepth); |
---|
[833] | 806 | if(pcTextureCU->getDepth(uiAbsPartIdx) == uiDepth ) |
---|
[189] | 807 | { |
---|
[833] | 808 | depthDependent = true; |
---|
| 809 | uiTexturePart = pcTextureCU->getPartitionSize( uiAbsPartIdx ); |
---|
| 810 | } |
---|
| 811 | if (pcTextureCU->getDepth(uiAbsPartIdx) == uiDepth && pcTextureCU->getPartitionSize( uiAbsPartIdx ) == SIZE_2Nx2N) |
---|
| 812 | { |
---|
[189] | 813 | bParsePartSize = false; |
---|
| 814 | eMode = SIZE_2Nx2N; |
---|
| 815 | } |
---|
| 816 | } |
---|
| 817 | #endif |
---|
[608] | 818 | |
---|
[2] | 819 | if ( pcCU->isIntra( uiAbsPartIdx ) ) |
---|
| 820 | { |
---|
[1256] | 821 | #if NH_3D_QTLPC |
---|
[189] | 822 | if(bParsePartSize) |
---|
[2] | 823 | { |
---|
[189] | 824 | #endif |
---|
[1200] | 825 | uiSymbol = 1; |
---|
| 826 | if( uiDepth == log2DiffMaxMinCodingBlockSize ) |
---|
| 827 | { |
---|
| 828 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
[608] | 829 | #if H_MV_ENC_DEC_TRAC |
---|
| 830 | DTRACE_CU("part_mode", uiSymbol) |
---|
| 831 | #endif |
---|
[1200] | 832 | } |
---|
| 833 | eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN; |
---|
[1256] | 834 | #if NH_3D_QTLPC |
---|
[2] | 835 | } |
---|
[189] | 836 | #endif |
---|
[1200] | 837 | UInt uiTrLevel = 0; |
---|
[56] | 838 | UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2; |
---|
| 839 | UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2; |
---|
| 840 | uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0; |
---|
| 841 | if( eMode == SIZE_NxN ) |
---|
| 842 | { |
---|
| 843 | pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 844 | } |
---|
| 845 | else |
---|
| 846 | { |
---|
| 847 | pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth ); |
---|
| 848 | } |
---|
[2] | 849 | } |
---|
| 850 | else |
---|
| 851 | { |
---|
[1256] | 852 | #if NH_3D_QTLPC |
---|
[189] | 853 | if(bParsePartSize) |
---|
[2] | 854 | { |
---|
[833] | 855 | if (depthDependent==false || uiTexturePart == SIZE_NxN|| uiTexturePart == SIZE_2Nx2N) |
---|
| 856 | { |
---|
| 857 | #endif |
---|
[1200] | 858 | UInt uiMaxNumBits = 2; |
---|
| 859 | |
---|
| 860 | if( uiDepth == log2DiffMaxMinCodingBlockSize && !( cuWidth == 8 && cuHeight == 8 ) ) |
---|
| 861 | { |
---|
| 862 | uiMaxNumBits ++; |
---|
| 863 | } |
---|
| 864 | |
---|
| 865 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
| 866 | { |
---|
| 867 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 868 | if ( uiSymbol ) |
---|
| 869 | { |
---|
| 870 | break; |
---|
| 871 | } |
---|
| 872 | uiMode++; |
---|
| 873 | } |
---|
| 874 | eMode = (PartSize) uiMode; |
---|
| 875 | if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize ) |
---|
| 876 | { |
---|
| 877 | if (eMode == SIZE_2NxN) |
---|
| 878 | { |
---|
| 879 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 3 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype)); |
---|
| 880 | if (uiSymbol == 0) |
---|
[189] | 881 | { |
---|
[1200] | 882 | m_pcTDecBinIf->decodeBinEP(uiSymbol RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 883 | eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD); |
---|
[189] | 884 | } |
---|
[1200] | 885 | } |
---|
| 886 | else if (eMode == SIZE_Nx2N) |
---|
| 887 | { |
---|
| 888 | m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 3 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 889 | if (uiSymbol == 0) |
---|
[189] | 890 | { |
---|
[1200] | 891 | m_pcTDecBinIf->decodeBinEP(uiSymbol RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 892 | eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N); |
---|
[56] | 893 | } |
---|
[1200] | 894 | } |
---|
| 895 | } |
---|
[1256] | 896 | #if NH_3D_QTLPC |
---|
[833] | 897 | } |
---|
| 898 | else if(uiTexturePart == SIZE_2NxN || uiTexturePart == SIZE_2NxnU || uiTexturePart == SIZE_2NxnD) |
---|
| 899 | { |
---|
| 900 | UInt uiMaxNumBits = 1; |
---|
[1256] | 901 | if ( ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiDepth < log2DiffMaxMinCodingBlockSize ) |
---|
[833] | 902 | { |
---|
| 903 | uiMaxNumBits ++; |
---|
| 904 | } |
---|
| 905 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
| 906 | { |
---|
[1256] | 907 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
[833] | 908 | if ( uiSymbol ) |
---|
| 909 | { |
---|
| 910 | break; |
---|
| 911 | } |
---|
| 912 | uiMode++; |
---|
| 913 | } |
---|
| 914 | eMode = (PartSize) uiMode; |
---|
[1256] | 915 | if(uiMode && ( ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiSymbol==1 ) |
---|
[833] | 916 | { |
---|
| 917 | eMode = SIZE_2NxN; |
---|
| 918 | } |
---|
[1256] | 919 | else if (uiMode && (( ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiDepth < log2DiffMaxMinCodingBlockSize )==0) && uiSymbol==0) |
---|
[833] | 920 | { |
---|
| 921 | eMode = SIZE_2NxN; |
---|
| 922 | } |
---|
[1256] | 923 | else if (uiMode && ( ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiSymbol==0) |
---|
[833] | 924 | { |
---|
[1256] | 925 | m_pcTDecBinIf->decodeBinEP(uiSymbol RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype)); |
---|
[833] | 926 | eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD); |
---|
| 927 | } |
---|
| 928 | } |
---|
| 929 | else if(uiTexturePart == SIZE_Nx2N|| uiTexturePart==SIZE_nLx2N || uiTexturePart==SIZE_nRx2N) |
---|
| 930 | { |
---|
| 931 | UInt uiMaxNumBits = 1; |
---|
[1256] | 932 | if ( ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiDepth < log2DiffMaxMinCodingBlockSize ) |
---|
[833] | 933 | { |
---|
| 934 | uiMaxNumBits ++; |
---|
| 935 | } |
---|
| 936 | for ( UInt ui = 0; ui < uiMaxNumBits; ui++ ) |
---|
| 937 | { |
---|
[1256] | 938 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype)); |
---|
[833] | 939 | if ( uiSymbol ) |
---|
| 940 | { |
---|
| 941 | break; |
---|
| 942 | } |
---|
| 943 | uiMode++; |
---|
| 944 | } |
---|
| 945 | eMode = (PartSize) uiMode; |
---|
[1256] | 946 | if(uiMode && ( ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiSymbol==1 ) |
---|
[833] | 947 | { |
---|
| 948 | eMode = SIZE_Nx2N; |
---|
| 949 | } |
---|
[1256] | 950 | else if (uiMode && (( ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiDepth < log2DiffMaxMinCodingBlockSize )==0) && uiSymbol==0) |
---|
[833] | 951 | { |
---|
| 952 | eMode = SIZE_Nx2N; |
---|
| 953 | } |
---|
[1256] | 954 | else if (uiMode && ( ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiDepth < log2DiffMaxMinCodingBlockSize ) && uiSymbol==0) |
---|
[833] | 955 | { |
---|
[1256] | 956 | m_pcTDecBinIf->decodeBinEP(uiSymbol RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype)); |
---|
[833] | 957 | eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N); |
---|
| 958 | } |
---|
| 959 | } |
---|
| 960 | else |
---|
[884] | 961 | { |
---|
[833] | 962 | assert(0); |
---|
[884] | 963 | } |
---|
[964] | 964 | #endif |
---|
[608] | 965 | #if H_MV_ENC_DEC_TRAC |
---|
| 966 | DTRACE_CU("part_mode", eMode ) |
---|
| 967 | #endif |
---|
[1256] | 968 | #if NH_3D_QTLPC |
---|
[2] | 969 | } |
---|
[189] | 970 | #endif |
---|
[2] | 971 | } |
---|
| 972 | pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth ); |
---|
[1200] | 973 | pcCU->setSizeSubParts( cuWidth, cuHeight, uiAbsPartIdx, uiDepth ); |
---|
[2] | 974 | } |
---|
| 975 | |
---|
[1200] | 976 | |
---|
[2] | 977 | /** parse prediction mode |
---|
| 978 | * \param pcCU |
---|
[1200] | 979 | * \param uiAbsPartIdx |
---|
[2] | 980 | * \param uiDepth |
---|
| 981 | * \returns Void |
---|
| 982 | */ |
---|
| 983 | Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 984 | { |
---|
| 985 | if( pcCU->getSlice()->isIntra() ) |
---|
| 986 | { |
---|
| 987 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
---|
| 988 | return; |
---|
| 989 | } |
---|
[1200] | 990 | |
---|
[2] | 991 | UInt uiSymbol; |
---|
| 992 | Int iPredMode = MODE_INTER; |
---|
[1200] | 993 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 0 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__PRED_MODE) ); |
---|
[2] | 994 | iPredMode += uiSymbol; |
---|
[608] | 995 | #if H_MV_ENC_DEC_TRAC |
---|
| 996 | DTRACE_CU("pred_mode_flag", uiSymbol) |
---|
| 997 | #endif |
---|
[2] | 998 | pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth ); |
---|
| 999 | } |
---|
[608] | 1000 | |
---|
[1200] | 1001 | |
---|
[608] | 1002 | Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
[443] | 1003 | { |
---|
[608] | 1004 | PartSize mode = pcCU->getPartitionSize( absPartIdx ); |
---|
| 1005 | UInt partNum = mode==SIZE_NxN?4:1; |
---|
[1200] | 1006 | UInt partOffset = ( pcCU->getPic()->getNumPartitionsInCtu() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2; |
---|
[608] | 1007 | UInt mpmPred[4],symbol; |
---|
[1200] | 1008 | Int j,intraPredMode; |
---|
[608] | 1009 | if (mode==SIZE_NxN) |
---|
[443] | 1010 | { |
---|
[608] | 1011 | depth++; |
---|
[443] | 1012 | } |
---|
[1200] | 1013 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 1014 | const TComCodingStatisticsClassType ctype(STATS__CABAC_BITS__INTRA_DIR_ANG, g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxCUWidth()>>depth]+2, CHANNEL_TYPE_LUMA); |
---|
| 1015 | #endif |
---|
[608] | 1016 | for (j=0;j<partNum;j++) |
---|
[443] | 1017 | { |
---|
[608] | 1018 | #if H_3D_DIM |
---|
[1124] | 1019 | if( pcCU->getSlice()->getIntraSdcWedgeFlag() || pcCU->getSlice()->getIntraContourFlag() ) |
---|
[443] | 1020 | { |
---|
[608] | 1021 | parseIntraDepth( pcCU, absPartIdx+partOffset*j, depth ); |
---|
[443] | 1022 | } |
---|
[608] | 1023 | if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE ) |
---|
| 1024 | { |
---|
| 1025 | #endif |
---|
[1200] | 1026 | m_pcTDecBinIf->decodeBin( symbol, m_cCUIntraPredSCModel.get( 0, 0, 0) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1027 | mpmPred[j] = symbol; |
---|
[608] | 1028 | #if H_MV_ENC_DEC_TRAC |
---|
[1196] | 1029 | DTRACE_CU("prev_intra_luma_pred_flag", symbol) |
---|
[608] | 1030 | #endif |
---|
| 1031 | #if H_3D_DIM |
---|
| 1032 | } |
---|
| 1033 | #endif |
---|
[443] | 1034 | } |
---|
[608] | 1035 | for (j=0;j<partNum;j++) |
---|
[443] | 1036 | { |
---|
[608] | 1037 | #if H_3D_DIM |
---|
| 1038 | if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE ) |
---|
[443] | 1039 | { |
---|
[608] | 1040 | #endif |
---|
[1200] | 1041 | Int preds[NUM_MOST_PROBABLE_MODES] = {-1, -1, -1}; |
---|
| 1042 | pcCU->getIntraDirPredictor(absPartIdx+partOffset*j, preds, COMPONENT_Y); |
---|
| 1043 | if (mpmPred[j]) |
---|
| 1044 | { |
---|
| 1045 | m_pcTDecBinIf->decodeBinEP( symbol RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1046 | if (symbol) |
---|
[608] | 1047 | { |
---|
[1200] | 1048 | m_pcTDecBinIf->decodeBinEP( symbol RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1049 | symbol++; |
---|
| 1050 | } |
---|
[608] | 1051 | #if H_MV_ENC_DEC_TRAC |
---|
[1196] | 1052 | DTRACE_CU("mpm_idx", symbol) |
---|
[608] | 1053 | #endif |
---|
[1200] | 1054 | intraPredMode = preds[symbol]; |
---|
| 1055 | } |
---|
| 1056 | else |
---|
| 1057 | { |
---|
| 1058 | m_pcTDecBinIf->decodeBinsEP( symbol, 5 RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1059 | intraPredMode = symbol; |
---|
[608] | 1060 | #if H_MV_ENC_DEC_TRAC |
---|
[1196] | 1061 | DTRACE_CU("rem_intra_luma_pred_mode", symbol) |
---|
[608] | 1062 | #endif |
---|
[1200] | 1063 | |
---|
| 1064 | //postponed sorting of MPMs (only in remaining branch) |
---|
| 1065 | if (preds[0] > preds[1]) |
---|
| 1066 | { |
---|
| 1067 | std::swap(preds[0], preds[1]); |
---|
[443] | 1068 | } |
---|
[1200] | 1069 | if (preds[0] > preds[2]) |
---|
| 1070 | { |
---|
| 1071 | std::swap(preds[0], preds[2]); |
---|
| 1072 | } |
---|
| 1073 | if (preds[1] > preds[2]) |
---|
| 1074 | { |
---|
| 1075 | std::swap(preds[1], preds[2]); |
---|
| 1076 | } |
---|
| 1077 | for ( UInt i = 0; i < NUM_MOST_PROBABLE_MODES; i++ ) |
---|
| 1078 | { |
---|
| 1079 | intraPredMode += ( intraPredMode >= preds[i] ); |
---|
| 1080 | } |
---|
| 1081 | } |
---|
| 1082 | pcCU->setIntraDirSubParts(CHANNEL_TYPE_LUMA, (UChar)intraPredMode, absPartIdx+partOffset*j, depth ); |
---|
[608] | 1083 | #if H_3D_DIM |
---|
| 1084 | } |
---|
| 1085 | #endif |
---|
[443] | 1086 | } |
---|
| 1087 | } |
---|
[608] | 1088 | |
---|
[1200] | 1089 | |
---|
[608] | 1090 | Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[443] | 1091 | { |
---|
[608] | 1092 | UInt uiSymbol; |
---|
[1200] | 1093 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 1094 | const TComCodingStatisticsClassType ctype(STATS__CABAC_BITS__INTRA_DIR_ANG, g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxCUWidth()>>uiDepth]+2, CHANNEL_TYPE_CHROMA); |
---|
| 1095 | #endif |
---|
[608] | 1096 | |
---|
[1200] | 1097 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 0 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
[608] | 1098 | if( uiSymbol == 0 ) |
---|
[443] | 1099 | { |
---|
[608] | 1100 | #if H_MV_ENC_DEC_TRAC |
---|
| 1101 | DTRACE_CU("intra_chroma_pred_mode", uiSymbol ) |
---|
| 1102 | #endif |
---|
[1200] | 1103 | uiSymbol = DM_CHROMA_IDX; |
---|
| 1104 | } |
---|
| 1105 | else |
---|
[443] | 1106 | { |
---|
[1200] | 1107 | UInt uiIPredMode; |
---|
| 1108 | m_pcTDecBinIf->decodeBinsEP( uiIPredMode, 2 RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
[608] | 1109 | #if H_MV_ENC_DEC_TRAC |
---|
| 1110 | DTRACE_CU("intra_chroma_pred_mode", uiIPredMode ) |
---|
| 1111 | #endif |
---|
[1200] | 1112 | UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ]; |
---|
| 1113 | pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir ); |
---|
| 1114 | uiSymbol = uiAllowedChromaDir[ uiIPredMode ]; |
---|
[443] | 1115 | } |
---|
[1200] | 1116 | |
---|
| 1117 | pcCU->setIntraDirSubParts( CHANNEL_TYPE_CHROMA, uiSymbol, uiAbsPartIdx, uiDepth ); |
---|
[608] | 1118 | } |
---|
| 1119 | |
---|
| 1120 | #if H_3D_DIM |
---|
| 1121 | Void TDecSbac::parseIntraDepth( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
| 1122 | { |
---|
| 1123 | parseIntraDepthMode( pcCU, absPartIdx, depth ); |
---|
| 1124 | |
---|
| 1125 | UInt dir = pcCU->getLumaIntraDir( absPartIdx ); |
---|
| 1126 | UInt dimType = getDimType( dir ); |
---|
| 1127 | |
---|
| 1128 | switch( dimType ) |
---|
[443] | 1129 | { |
---|
[608] | 1130 | #if H_3D_DIM_DMM |
---|
| 1131 | case( DMM1_IDX ): |
---|
[443] | 1132 | { |
---|
[608] | 1133 | UInt uiTabIdx = 0; |
---|
| 1134 | xParseDmm1WedgeIdx( uiTabIdx, g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] ); |
---|
[1124] | 1135 | |
---|
| 1136 | assert( uiTabIdx < g_dmmWedgeLists[ g_aucConvertToBit[ pcCU->getDMM1BasePatternWidth( pcCU->getWidth( absPartIdx ) )]].size()); |
---|
| 1137 | |
---|
[608] | 1138 | pcCU->setDmmWedgeTabIdxSubParts( uiTabIdx, dimType, absPartIdx, depth ); |
---|
| 1139 | } break; |
---|
| 1140 | case( DMM4_IDX ): break; |
---|
| 1141 | #endif |
---|
| 1142 | default: break; |
---|
| 1143 | } |
---|
[443] | 1144 | |
---|
[608] | 1145 | pcCU->setLumaIntraDirSubParts( (UChar)dir, absPartIdx, depth ); |
---|
| 1146 | } |
---|
[443] | 1147 | |
---|
[608] | 1148 | Void TDecSbac::parseIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
[2] | 1149 | { |
---|
[833] | 1150 | UInt uiSymbol, uiIsDimMode; |
---|
| 1151 | |
---|
| 1152 | if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed |
---|
| 1153 | { |
---|
[950] | 1154 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cAngleFlagSCModel.get( 0, 0, 0 ) ); |
---|
[833] | 1155 | } |
---|
| 1156 | else |
---|
| 1157 | { |
---|
| 1158 | uiSymbol = 1; |
---|
| 1159 | } |
---|
| 1160 | uiIsDimMode = uiSymbol ? 0 : 1; |
---|
| 1161 | pcCU->setLumaIntraDirSubParts( 0, absPartIdx, depth ); |
---|
| 1162 | |
---|
| 1163 | //decode DMM index |
---|
| 1164 | if( uiIsDimMode ) |
---|
| 1165 | { |
---|
[1124] | 1166 | if( pcCU->getSlice()->getIntraSdcWedgeFlag() && pcCU->getSlice()->getIntraContourFlag() ) |
---|
[1039] | 1167 | { |
---|
| 1168 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDepthIntraModeSCModel.get( 0, 0, 0 ) ); |
---|
| 1169 | if( !uiSymbol ) |
---|
| 1170 | { |
---|
| 1171 | pcCU->setLumaIntraDirSubParts( DIM_OFFSET, absPartIdx, depth ); |
---|
| 1172 | } |
---|
| 1173 | else |
---|
| 1174 | { |
---|
| 1175 | pcCU->setLumaIntraDirSubParts( ( 1+ DIM_OFFSET ), absPartIdx, depth ); |
---|
| 1176 | } |
---|
| 1177 | } |
---|
[1124] | 1178 | else if ( pcCU->getSlice()->getIntraSdcWedgeFlag() ) |
---|
[1039] | 1179 | { |
---|
| 1180 | pcCU->setLumaIntraDirSubParts( DIM_OFFSET, absPartIdx, depth ); |
---|
| 1181 | } |
---|
[1124] | 1182 | else if( pcCU->getSlice()->getIntraContourFlag() ) |
---|
[1039] | 1183 | { |
---|
| 1184 | pcCU->setLumaIntraDirSubParts( ( 1+ DIM_OFFSET ), absPartIdx, depth ); |
---|
| 1185 | } |
---|
[833] | 1186 | } |
---|
| 1187 | } |
---|
[2] | 1188 | #endif |
---|
| 1189 | |
---|
[608] | 1190 | Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx ) |
---|
[2] | 1191 | { |
---|
| 1192 | UInt uiSymbol; |
---|
[608] | 1193 | const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx ); |
---|
| 1194 | ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 ); |
---|
[1200] | 1195 | |
---|
[608] | 1196 | uiSymbol = 0; |
---|
| 1197 | if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N || pcCU->getHeight(uiAbsPartIdx) != 8 ) |
---|
[2] | 1198 | { |
---|
[1200] | 1199 | m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + uiCtx ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__INTER_DIR) ); |
---|
[2] | 1200 | } |
---|
| 1201 | |
---|
[56] | 1202 | if( uiSymbol ) |
---|
[2] | 1203 | { |
---|
| 1204 | uiSymbol = 2; |
---|
| 1205 | } |
---|
[608] | 1206 | else |
---|
| 1207 | { |
---|
[1200] | 1208 | m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + 4 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__INTER_DIR) ); |
---|
[608] | 1209 | assert(uiSymbol == 0 || uiSymbol == 1); |
---|
| 1210 | } |
---|
[56] | 1211 | |
---|
[2] | 1212 | uiSymbol++; |
---|
| 1213 | ruiInterDir = uiSymbol; |
---|
[608] | 1214 | #if H_MV_ENC_DEC_TRAC |
---|
| 1215 | DTRACE_PU("inter_pred_idc", ruiInterDir - 1 ) |
---|
| 1216 | #endif |
---|
| 1217 | |
---|
[2] | 1218 | return; |
---|
| 1219 | } |
---|
| 1220 | |
---|
[608] | 1221 | Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList ) |
---|
[2] | 1222 | { |
---|
| 1223 | UInt uiSymbol; |
---|
[1200] | 1224 | |
---|
| 1225 | ContextModel *pCtx = m_cCURefPicSCModel.get( 0 ); |
---|
| 1226 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__REF_FRM_IDX) ); |
---|
| 1227 | |
---|
| 1228 | if( uiSymbol ) |
---|
[2] | 1229 | { |
---|
[1200] | 1230 | UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2; |
---|
| 1231 | pCtx++; |
---|
| 1232 | UInt ui; |
---|
| 1233 | for( ui = 0; ui < uiRefNum; ++ui ) |
---|
[2] | 1234 | { |
---|
[1200] | 1235 | if( ui == 0 ) |
---|
[608] | 1236 | { |
---|
[1200] | 1237 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__REF_FRM_IDX) ); |
---|
[608] | 1238 | } |
---|
[1200] | 1239 | else |
---|
| 1240 | { |
---|
| 1241 | m_pcTDecBinIf->decodeBinEP( uiSymbol RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__REF_FRM_IDX) ); |
---|
| 1242 | } |
---|
| 1243 | if( uiSymbol == 0 ) |
---|
| 1244 | { |
---|
| 1245 | break; |
---|
| 1246 | } |
---|
[2] | 1247 | } |
---|
[1200] | 1248 | uiSymbol = ui + 1; |
---|
[2] | 1249 | } |
---|
[1200] | 1250 | riRefFrmIdx = uiSymbol; |
---|
[608] | 1251 | #if H_MV_ENC_DEC_TRAC |
---|
| 1252 | #if ENC_DEC_TRACE |
---|
| 1253 | if ( eRefList == REF_PIC_LIST_0 ) |
---|
| 1254 | { |
---|
| 1255 | DTRACE_PU("ref_idx_l0", uiSymbol) |
---|
| 1256 | } |
---|
[2] | 1257 | else |
---|
| 1258 | { |
---|
[608] | 1259 | DTRACE_PU("ref_idx_l1", uiSymbol) |
---|
[2] | 1260 | } |
---|
[608] | 1261 | #endif |
---|
| 1262 | #endif |
---|
[1200] | 1263 | |
---|
[2] | 1264 | return; |
---|
| 1265 | } |
---|
| 1266 | |
---|
[56] | 1267 | Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
[2] | 1268 | { |
---|
| 1269 | UInt uiSymbol; |
---|
[56] | 1270 | UInt uiHorAbs; |
---|
| 1271 | UInt uiVerAbs; |
---|
| 1272 | UInt uiHorSign = 0; |
---|
| 1273 | UInt uiVerSign = 0; |
---|
| 1274 | ContextModel *pCtx = m_cCUMvdSCModel.get( 0 ); |
---|
[2] | 1275 | |
---|
[56] | 1276 | if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3) |
---|
| 1277 | { |
---|
| 1278 | uiHorAbs=0; |
---|
| 1279 | uiVerAbs=0; |
---|
| 1280 | } |
---|
| 1281 | else |
---|
| 1282 | { |
---|
[1200] | 1283 | m_pcTDecBinIf->decodeBin( uiHorAbs, *pCtx RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MVD) ); |
---|
| 1284 | m_pcTDecBinIf->decodeBin( uiVerAbs, *pCtx RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MVD) ); |
---|
[2] | 1285 | |
---|
[56] | 1286 | const Bool bHorAbsGr0 = uiHorAbs != 0; |
---|
| 1287 | const Bool bVerAbsGr0 = uiVerAbs != 0; |
---|
| 1288 | pCtx++; |
---|
| 1289 | |
---|
| 1290 | if( bHorAbsGr0 ) |
---|
| 1291 | { |
---|
[1200] | 1292 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MVD) ); |
---|
[56] | 1293 | uiHorAbs += uiSymbol; |
---|
| 1294 | } |
---|
| 1295 | |
---|
| 1296 | if( bVerAbsGr0 ) |
---|
| 1297 | { |
---|
[1200] | 1298 | m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MVD) ); |
---|
[56] | 1299 | uiVerAbs += uiSymbol; |
---|
| 1300 | } |
---|
| 1301 | |
---|
| 1302 | if( bHorAbsGr0 ) |
---|
| 1303 | { |
---|
| 1304 | if( 2 == uiHorAbs ) |
---|
| 1305 | { |
---|
[1200] | 1306 | xReadEpExGolomb( uiSymbol, 1 RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MVD_EP) ); |
---|
[56] | 1307 | uiHorAbs += uiSymbol; |
---|
| 1308 | } |
---|
| 1309 | |
---|
[1200] | 1310 | m_pcTDecBinIf->decodeBinEP( uiHorSign RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MVD_EP) ); |
---|
[56] | 1311 | } |
---|
| 1312 | |
---|
| 1313 | if( bVerAbsGr0 ) |
---|
| 1314 | { |
---|
| 1315 | if( 2 == uiVerAbs ) |
---|
| 1316 | { |
---|
[1200] | 1317 | xReadEpExGolomb( uiSymbol, 1 RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MVD_EP) ); |
---|
[56] | 1318 | uiVerAbs += uiSymbol; |
---|
| 1319 | } |
---|
| 1320 | |
---|
[1200] | 1321 | m_pcTDecBinIf->decodeBinEP( uiVerSign RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__MVD_EP) ); |
---|
[56] | 1322 | } |
---|
| 1323 | |
---|
| 1324 | } |
---|
[2] | 1325 | |
---|
[56] | 1326 | const TComMv cMv( uiHorSign ? -Int( uiHorAbs ): uiHorAbs, uiVerSign ? -Int( uiVerAbs ) : uiVerAbs ); |
---|
| 1327 | pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiDepth, uiPartIdx ); |
---|
[2] | 1328 | return; |
---|
| 1329 | } |
---|
| 1330 | |
---|
[1200] | 1331 | Void TDecSbac::parseCrossComponentPrediction( TComTU &rTu, ComponentID compID ) |
---|
| 1332 | { |
---|
| 1333 | TComDataCU *pcCU = rTu.getCU(); |
---|
[2] | 1334 | |
---|
[1200] | 1335 | if( isLuma(compID) || !pcCU->getSlice()->getPPS()->getPpsRangeExtension().getCrossComponentPredictionEnabledFlag() ) |
---|
| 1336 | { |
---|
| 1337 | return; |
---|
| 1338 | } |
---|
| 1339 | |
---|
| 1340 | const UInt uiAbsPartIdx = rTu.GetAbsPartIdxTU(); |
---|
| 1341 | |
---|
| 1342 | if (!pcCU->isIntra(uiAbsPartIdx) || (pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx ) == DM_CHROMA_IDX)) |
---|
| 1343 | { |
---|
| 1344 | Char alpha = 0; |
---|
| 1345 | UInt symbol = 0; |
---|
| 1346 | |
---|
| 1347 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 1348 | DTRACE_CABAC_T("\tparseCrossComponentPrediction()") |
---|
| 1349 | DTRACE_CABAC_T( "\tAddr=" ) |
---|
| 1350 | DTRACE_CABAC_V( compID ) |
---|
| 1351 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1352 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1353 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 1354 | TComCodingStatisticsClassType ctype(STATS__CABAC_BITS__CROSS_COMPONENT_PREDICTION, (g_aucConvertToBit[rTu.getRect(compID).width] + 2), compID); |
---|
| 1355 | #endif |
---|
| 1356 | ContextModel *pCtx = m_cCrossComponentPredictionSCModel.get(0, 0) + ((compID == COMPONENT_Cr) ? (NUM_CROSS_COMPONENT_PREDICTION_CTX >> 1) : 0); |
---|
| 1357 | m_pcTDecBinIf->decodeBin( symbol, pCtx[0] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1358 | |
---|
| 1359 | if(symbol != 0) |
---|
| 1360 | { |
---|
| 1361 | // Cross-component prediction alpha is non-zero. |
---|
| 1362 | UInt sign = 0; |
---|
| 1363 | m_pcTDecBinIf->decodeBin( symbol, pCtx[1] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1364 | |
---|
| 1365 | if (symbol != 0) |
---|
| 1366 | { |
---|
| 1367 | // alpha is 2 (symbol=1), 4(symbol=2) or 8(symbol=3). |
---|
| 1368 | // Read up to two more bits |
---|
| 1369 | xReadUnaryMaxSymbol( symbol, (pCtx + 2), 1, 2 RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1370 | symbol += 1; |
---|
| 1371 | } |
---|
| 1372 | m_pcTDecBinIf->decodeBin( sign, pCtx[4] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1373 | |
---|
| 1374 | alpha = (sign != 0) ? -(1 << symbol) : (1 << symbol); |
---|
| 1375 | } |
---|
| 1376 | DTRACE_CABAC_T( "\tAlpha=" ) |
---|
| 1377 | DTRACE_CABAC_V( alpha ) |
---|
| 1378 | DTRACE_CABAC_T( "\n" ) |
---|
| 1379 | |
---|
| 1380 | pcCU->setCrossComponentPredictionAlphaPartRange( alpha, compID, uiAbsPartIdx, rTu.GetAbsPartIdxNumParts( compID ) ); |
---|
| 1381 | } |
---|
| 1382 | } |
---|
| 1383 | |
---|
[2] | 1384 | Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) |
---|
| 1385 | { |
---|
[1200] | 1386 | m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) |
---|
| 1387 | RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(TComCodingStatisticsClassType(STATS__CABAC_BITS__TRANSFORM_SUBDIV_FLAG, 5-uiLog2TransformBlockSize)) |
---|
| 1388 | ); |
---|
[608] | 1389 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1390 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1391 | DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" ) |
---|
| 1392 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1393 | DTRACE_CABAC_V( ruiSubdivFlag ) |
---|
| 1394 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1395 | DTRACE_CABAC_V( uiLog2TransformBlockSize ) |
---|
| 1396 | DTRACE_CABAC_T( "\n" ) |
---|
[1179] | 1397 | #else |
---|
| 1398 | DTRACE_TU("split_transform_flag", ruiSubdivFlag ) |
---|
[608] | 1399 | #endif |
---|
[1200] | 1400 | |
---|
[2] | 1401 | } |
---|
| 1402 | |
---|
[608] | 1403 | Void TDecSbac::parseQtRootCbf( UInt uiAbsPartIdx, UInt& uiQtRootCbf ) |
---|
[2] | 1404 | { |
---|
| 1405 | UInt uiSymbol; |
---|
[56] | 1406 | const UInt uiCtx = 0; |
---|
[1200] | 1407 | m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__QT_ROOT_CBF) ); |
---|
[608] | 1408 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1409 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1410 | DTRACE_CABAC_T( "\tparseQtRootCbf()" ) |
---|
| 1411 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1412 | DTRACE_CABAC_V( uiSymbol ) |
---|
| 1413 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1414 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1415 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1416 | DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1417 | DTRACE_CABAC_T( "\n" ) |
---|
[608] | 1418 | #else |
---|
| 1419 | DTRACE_CU( "rqt_root_cbf", uiSymbol ) |
---|
| 1420 | #endif |
---|
[1200] | 1421 | |
---|
[2] | 1422 | uiQtRootCbf = uiSymbol; |
---|
| 1423 | } |
---|
| 1424 | |
---|
| 1425 | Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1426 | { |
---|
[56] | 1427 | Int qp; |
---|
[2] | 1428 | UInt uiDQp; |
---|
| 1429 | Int iDQp; |
---|
[1200] | 1430 | |
---|
[608] | 1431 | UInt uiSymbol; |
---|
| 1432 | |
---|
[1200] | 1433 | xReadUnaryMaxSymbol (uiDQp, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__DELTA_QP_EP) ); |
---|
[608] | 1434 | |
---|
| 1435 | if( uiDQp >= CU_DQP_TU_CMAX) |
---|
[2] | 1436 | { |
---|
[1200] | 1437 | xReadEpExGolomb( uiSymbol, CU_DQP_EG_k RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__DELTA_QP_EP)); |
---|
[608] | 1438 | uiDQp+=uiSymbol; |
---|
[2] | 1439 | } |
---|
[608] | 1440 | |
---|
| 1441 | if ( uiDQp > 0 ) |
---|
[2] | 1442 | { |
---|
[56] | 1443 | UInt uiSign; |
---|
[1200] | 1444 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA); |
---|
| 1445 | m_pcTDecBinIf->decodeBinEP(uiSign RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__DELTA_QP_EP)); |
---|
[608] | 1446 | iDQp = uiDQp; |
---|
[56] | 1447 | if(uiSign) |
---|
[2] | 1448 | { |
---|
| 1449 | iDQp = -iDQp; |
---|
| 1450 | } |
---|
[56] | 1451 | qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+qpBdOffsetY)) - qpBdOffsetY; |
---|
[2] | 1452 | } |
---|
[1200] | 1453 | else |
---|
[608] | 1454 | { |
---|
| 1455 | qp = pcCU->getRefQP(uiAbsPartIdx); |
---|
| 1456 | } |
---|
[1200] | 1457 | |
---|
| 1458 | pcCU->setQPSubParts(qp, uiAbsPartIdx, uiDepth); |
---|
[608] | 1459 | pcCU->setCodedQP(qp); |
---|
[2] | 1460 | } |
---|
| 1461 | |
---|
[1200] | 1462 | /** parse chroma qp adjustment, converting to the internal table representation. |
---|
| 1463 | * \returns Void |
---|
| 1464 | */ |
---|
| 1465 | Void TDecSbac::parseChromaQpAdjustment( TComDataCU* cu, UInt absPartIdx, UInt depth ) |
---|
[2] | 1466 | { |
---|
[1200] | 1467 | UInt symbol; |
---|
| 1468 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 1469 | const TComCodingStatisticsClassType ctype(STATS__CABAC_BITS__CHROMA_QP_ADJUSTMENT, g_aucConvertToBit[cu->getSlice()->getSPS()->getMaxCUWidth()>>depth]+2, CHANNEL_TYPE_CHROMA); |
---|
| 1470 | #endif |
---|
| 1471 | |
---|
| 1472 | Int chromaQpOffsetListLen = cu->getSlice()->getPPS()->getPpsRangeExtension().getChromaQpOffsetListLen(); |
---|
| 1473 | |
---|
| 1474 | // cu_chroma_qp_offset_flag |
---|
| 1475 | m_pcTDecBinIf->decodeBin( symbol, m_ChromaQpAdjFlagSCModel.get( 0, 0, 0 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1476 | |
---|
| 1477 | if (symbol && chromaQpOffsetListLen > 1) |
---|
| 1478 | { |
---|
| 1479 | // cu_chroma_qp_offset_idx |
---|
| 1480 | xReadUnaryMaxSymbol( symbol, &m_ChromaQpAdjIdcSCModel.get( 0, 0, 0 ), 0, chromaQpOffsetListLen - 1 RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1481 | symbol++; |
---|
| 1482 | } |
---|
| 1483 | /* NB, symbol = 0 if outer flag is not set, |
---|
| 1484 | * 1 if outer flag is set and there is no inner flag |
---|
| 1485 | * 1+ otherwise */ |
---|
| 1486 | cu->setChromaQpAdjSubParts( symbol, absPartIdx, depth ); |
---|
| 1487 | cu->setCodedChromaQpAdj(symbol); |
---|
| 1488 | } |
---|
| 1489 | |
---|
| 1490 | Void TDecSbac::parseQtCbf( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) |
---|
| 1491 | { |
---|
| 1492 | TComDataCU* pcCU = rTu.getCU(); |
---|
| 1493 | |
---|
| 1494 | const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID); |
---|
| 1495 | const UInt TUDepth = rTu.GetTransformDepthRel(); |
---|
| 1496 | const UInt uiCtx = pcCU->getCtxQtCbf( rTu, toChannelType(compID) ); |
---|
| 1497 | const UInt contextSet = toChannelType(compID); |
---|
| 1498 | |
---|
| 1499 | const UInt width = rTu.getRect(compID).width; |
---|
| 1500 | const UInt height = rTu.getRect(compID).height; |
---|
| 1501 | const Bool canQuadSplit = (width >= (MIN_TU_SIZE * 2)) && (height >= (MIN_TU_SIZE * 2)); |
---|
| 1502 | const UInt coveredPartIdxes = rTu.GetAbsPartIdxNumParts(compID); |
---|
| 1503 | |
---|
| 1504 | // Since the CBF for chroma is coded at the highest level possible, if sub-TUs are |
---|
| 1505 | // to be coded for a 4x8 chroma TU, their CBFs must be coded at the highest 4x8 level |
---|
| 1506 | // (i.e. where luma TUs are 8x8 rather than 4x4) |
---|
| 1507 | // ___ ___ |
---|
| 1508 | // | | | <- 4 x (8x8 luma + 4x8 4:2:2 chroma) |
---|
| 1509 | // |___|___| each quadrant has its own chroma CBF |
---|
| 1510 | // | | | _ _ _ _ |
---|
| 1511 | // |___|___| | |
---|
| 1512 | // <--16---> V |
---|
| 1513 | // _ _ |
---|
| 1514 | // |_|_| <- 4 x 4x4 luma + 1 x 4x8 4:2:2 chroma |
---|
| 1515 | // |_|_| no chroma CBF is coded - instead the parent CBF is inherited |
---|
| 1516 | // <-8-> if sub-TUs are present, their CBFs had to be coded at the parent level |
---|
| 1517 | |
---|
| 1518 | const UInt lowestTUDepth = TUDepth + ((!lowestLevel && !canQuadSplit) ? 1 : 0); //unsplittable TUs inherit their parent's CBF |
---|
| 1519 | UInt lowestTUCBF = 0; |
---|
| 1520 | |
---|
| 1521 | if ((width != height) && (lowestLevel || !canQuadSplit)) //if sub-TUs are present |
---|
| 1522 | { |
---|
| 1523 | const UInt subTUDepth = lowestTUDepth + 1; |
---|
| 1524 | const UInt partIdxesPerSubTU = rTu.GetAbsPartIdxNumParts(compID) >> 1; |
---|
| 1525 | |
---|
| 1526 | UInt combinedSubTUCBF = 0; |
---|
| 1527 | |
---|
| 1528 | for (UInt subTU = 0; subTU < 2; subTU++) |
---|
| 1529 | { |
---|
| 1530 | UInt uiCbf = MAX_UINT; |
---|
| 1531 | m_pcTDecBinIf->decodeBin(uiCbf, m_cCUQtCbfSCModel.get(0, contextSet, uiCtx) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(TComCodingStatisticsClassType(STATS__CABAC_BITS__QT_CBF, g_aucConvertToBit[rTu.getRect(compID).width]+2, compID))); |
---|
| 1532 | |
---|
| 1533 | const UInt subTUAbsPartIdx = absPartIdx + (subTU * partIdxesPerSubTU); |
---|
| 1534 | pcCU->setCbfPartRange((uiCbf << subTUDepth), compID, subTUAbsPartIdx, partIdxesPerSubTU); |
---|
| 1535 | combinedSubTUCBF |= uiCbf; |
---|
[608] | 1536 | #if !H_MV_ENC_DEC_TRAC |
---|
[1200] | 1537 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 1538 | DTRACE_CABAC_T( "\tparseQtCbf()" ) |
---|
| 1539 | DTRACE_CABAC_T( "\tsub-TU=" ) |
---|
| 1540 | DTRACE_CABAC_V( subTU ) |
---|
| 1541 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1542 | DTRACE_CABAC_V( uiCbf ) |
---|
| 1543 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1544 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1545 | DTRACE_CABAC_T( "\tetype=" ) |
---|
| 1546 | DTRACE_CABAC_V( compID ) |
---|
| 1547 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1548 | DTRACE_CABAC_V( subTUAbsPartIdx ) |
---|
| 1549 | DTRACE_CABAC_T( "\n" ) |
---|
[1179] | 1550 | #else |
---|
[1200] | 1551 | if ( compID == COMPONENT_Cb ) |
---|
[1179] | 1552 | { |
---|
[1200] | 1553 | DTRACE_TU("cbf_cb", uiCbf ) |
---|
[1179] | 1554 | } |
---|
[1200] | 1555 | else if ( compID == COMPONENT_Cr ) |
---|
[1179] | 1556 | { |
---|
[1200] | 1557 | DTRACE_TU("cbf_cr", uiCbf ) |
---|
[1179] | 1558 | } |
---|
| 1559 | else |
---|
| 1560 | { |
---|
[1200] | 1561 | DTRACE_TU("cbf_luma", uiCbf ) |
---|
[1179] | 1562 | } |
---|
[608] | 1563 | #endif |
---|
[1200] | 1564 | |
---|
| 1565 | } |
---|
| 1566 | |
---|
| 1567 | //propagate the sub-TU CBF up to the lowest TU level |
---|
| 1568 | if (combinedSubTUCBF != 0) |
---|
| 1569 | { |
---|
| 1570 | pcCU->bitwiseOrCbfPartRange((combinedSubTUCBF << lowestTUDepth), compID, absPartIdx, coveredPartIdxes); |
---|
| 1571 | lowestTUCBF = combinedSubTUCBF; |
---|
| 1572 | } |
---|
| 1573 | } |
---|
| 1574 | else |
---|
| 1575 | { |
---|
| 1576 | UInt uiCbf = MAX_UINT; |
---|
| 1577 | m_pcTDecBinIf->decodeBin(uiCbf, m_cCUQtCbfSCModel.get(0, contextSet, uiCtx) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(TComCodingStatisticsClassType(STATS__CABAC_BITS__QT_CBF, g_aucConvertToBit[rTu.getRect(compID).width]+2, compID))); |
---|
| 1578 | |
---|
| 1579 | pcCU->setCbfSubParts((uiCbf << lowestTUDepth), compID, absPartIdx, rTu.GetTransformDepthTotalAdj(compID)); |
---|
| 1580 | #if !H_MV_ENC_DEC_TRAC |
---|
| 1581 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 1582 | DTRACE_CABAC_T( "\tparseQtCbf()" ) |
---|
| 1583 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1584 | DTRACE_CABAC_V( uiCbf ) |
---|
| 1585 | DTRACE_CABAC_T( "\tctx=" ) |
---|
| 1586 | DTRACE_CABAC_V( uiCtx ) |
---|
| 1587 | DTRACE_CABAC_T( "\tetype=" ) |
---|
| 1588 | DTRACE_CABAC_V( compID ) |
---|
| 1589 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
| 1590 | DTRACE_CABAC_V( rTu.GetAbsPartIdxTU(compID) ) |
---|
| 1591 | DTRACE_CABAC_T( "\n" ) |
---|
| 1592 | #else |
---|
| 1593 | if ( compID == COMPONENT_Cb ) |
---|
| 1594 | { |
---|
| 1595 | DTRACE_TU("cbf_cb", uiCbf ) |
---|
| 1596 | } |
---|
| 1597 | else if ( compID == COMPONENT_Cr ) |
---|
| 1598 | { |
---|
| 1599 | DTRACE_TU("cbf_cr", uiCbf ) |
---|
| 1600 | } |
---|
| 1601 | else |
---|
| 1602 | { |
---|
| 1603 | DTRACE_TU("cbf_luma", uiCbf ) |
---|
| 1604 | } |
---|
| 1605 | #endif |
---|
| 1606 | lowestTUCBF = uiCbf; |
---|
| 1607 | } |
---|
| 1608 | |
---|
| 1609 | //propagate the lowest level CBF up to the current level |
---|
| 1610 | if (lowestTUCBF != 0) |
---|
| 1611 | { |
---|
| 1612 | for (UInt depth = TUDepth; depth < lowestTUDepth; depth++) |
---|
| 1613 | { |
---|
| 1614 | pcCU->bitwiseOrCbfPartRange((lowestTUCBF << depth), compID, absPartIdx, coveredPartIdxes); |
---|
| 1615 | } |
---|
| 1616 | } |
---|
[2] | 1617 | } |
---|
| 1618 | |
---|
[1200] | 1619 | |
---|
| 1620 | Void TDecSbac::parseTransformSkipFlags (TComTU &rTu, ComponentID component) |
---|
[608] | 1621 | { |
---|
[1200] | 1622 | TComDataCU* pcCU=rTu.getCU(); |
---|
| 1623 | UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU(component); |
---|
| 1624 | |
---|
[608] | 1625 | if (pcCU->getCUTransquantBypass(uiAbsPartIdx)) |
---|
| 1626 | { |
---|
| 1627 | return; |
---|
| 1628 | } |
---|
[1200] | 1629 | |
---|
| 1630 | if (!TUCompRectHasAssociatedTransformSkipFlag(rTu.getRect(component), pcCU->getSlice()->getPPS()->getPpsRangeExtension().getLog2MaxTransformSkipBlockSize())) |
---|
[608] | 1631 | { |
---|
| 1632 | return; |
---|
| 1633 | } |
---|
[1200] | 1634 | |
---|
[608] | 1635 | UInt useTransformSkip; |
---|
[1200] | 1636 | |
---|
| 1637 | m_pcTDecBinIf->decodeBin( useTransformSkip , m_cTransformSkipSCModel.get( 0, toChannelType(component), 0 ) |
---|
| 1638 | RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(TComCodingStatisticsClassType(STATS__CABAC_BITS__TRANSFORM_SKIP_FLAGS, component)) |
---|
| 1639 | ); |
---|
| 1640 | |
---|
[608] | 1641 | #if !H_MV_ENC_DEC_TRAC |
---|
| 1642 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
| 1643 | DTRACE_CABAC_T("\tparseTransformSkip()"); |
---|
| 1644 | DTRACE_CABAC_T( "\tsymbol=" ) |
---|
| 1645 | DTRACE_CABAC_V( useTransformSkip ) |
---|
| 1646 | DTRACE_CABAC_T( "\tAddr=" ) |
---|
[1200] | 1647 | DTRACE_CABAC_V( pcCU->getCtuRsAddr() ) |
---|
[608] | 1648 | DTRACE_CABAC_T( "\tetype=" ) |
---|
[1200] | 1649 | DTRACE_CABAC_V( component ) |
---|
[608] | 1650 | DTRACE_CABAC_T( "\tuiAbsPartIdx=" ) |
---|
[1200] | 1651 | DTRACE_CABAC_V( rTu.GetAbsPartIdxTU() ) |
---|
[608] | 1652 | DTRACE_CABAC_T( "\n" ) |
---|
| 1653 | #endif |
---|
| 1654 | |
---|
[1200] | 1655 | pcCU->setTransformSkipPartRange( useTransformSkip, component, uiAbsPartIdx, rTu.GetAbsPartIdxNumParts(component)); |
---|
[608] | 1656 | } |
---|
| 1657 | |
---|
[1200] | 1658 | |
---|
[2] | 1659 | /** Parse (X,Y) position of the last significant coefficient |
---|
| 1660 | * \param uiPosLastX reference to X component of last coefficient |
---|
| 1661 | * \param uiPosLastY reference to Y component of last coefficient |
---|
[56] | 1662 | * \param width Block width |
---|
| 1663 | * \param height Block height |
---|
[1200] | 1664 | * \param component chroma compinent ID |
---|
[2] | 1665 | * \param uiScanIdx scan type (zig-zag, hor, ver) |
---|
[56] | 1666 | * |
---|
[2] | 1667 | * This method decodes the X and Y component within a block of the last significant coefficient. |
---|
| 1668 | */ |
---|
[1200] | 1669 | Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, ComponentID component, UInt uiScanIdx ) |
---|
[2] | 1670 | { |
---|
| 1671 | UInt uiLast; |
---|
| 1672 | |
---|
[1200] | 1673 | ContextModel *pCtxX = m_cCuCtxLastX.get( 0, toChannelType(component) ); |
---|
| 1674 | ContextModel *pCtxY = m_cCuCtxLastY.get( 0, toChannelType(component) ); |
---|
| 1675 | |
---|
| 1676 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 1677 | TComCodingStatisticsClassType ctype(STATS__CABAC_BITS__LAST_SIG_X_Y, g_aucConvertToBit[width]+2, component); |
---|
| 1678 | #endif |
---|
| 1679 | |
---|
| 1680 | |
---|
| 1681 | if ( uiScanIdx == SCAN_VER ) |
---|
| 1682 | { |
---|
| 1683 | swap( width, height ); |
---|
| 1684 | } |
---|
| 1685 | |
---|
[608] | 1686 | Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY; |
---|
[1200] | 1687 | getLastSignificantContextParameters(component, width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY); |
---|
| 1688 | |
---|
| 1689 | //------------------ |
---|
| 1690 | |
---|
[56] | 1691 | // posX |
---|
[1200] | 1692 | |
---|
[56] | 1693 | for( uiPosLastX = 0; uiPosLastX < g_uiGroupIdx[ width - 1 ]; uiPosLastX++ ) |
---|
[2] | 1694 | { |
---|
[1200] | 1695 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + blkSizeOffsetX + (uiPosLastX >>shiftX) ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1696 | |
---|
[56] | 1697 | if( !uiLast ) |
---|
| 1698 | { |
---|
[2] | 1699 | break; |
---|
| 1700 | } |
---|
| 1701 | } |
---|
| 1702 | |
---|
[56] | 1703 | // posY |
---|
[1200] | 1704 | |
---|
[56] | 1705 | for( uiPosLastY = 0; uiPosLastY < g_uiGroupIdx[ height - 1 ]; uiPosLastY++ ) |
---|
[2] | 1706 | { |
---|
[1200] | 1707 | m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + blkSizeOffsetY + (uiPosLastY >>shiftY)) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
| 1708 | |
---|
[56] | 1709 | if( !uiLast ) |
---|
| 1710 | { |
---|
[2] | 1711 | break; |
---|
| 1712 | } |
---|
| 1713 | } |
---|
[1200] | 1714 | |
---|
| 1715 | // EP-coded part |
---|
| 1716 | |
---|
[56] | 1717 | if ( uiPosLastX > 3 ) |
---|
| 1718 | { |
---|
| 1719 | UInt uiTemp = 0; |
---|
| 1720 | UInt uiCount = ( uiPosLastX - 2 ) >> 1; |
---|
| 1721 | for ( Int i = uiCount - 1; i >= 0; i-- ) |
---|
| 1722 | { |
---|
[1200] | 1723 | m_pcTDecBinIf->decodeBinEP( uiLast RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
[56] | 1724 | uiTemp += uiLast << i; |
---|
| 1725 | } |
---|
| 1726 | uiPosLastX = g_uiMinInGroup[ uiPosLastX ] + uiTemp; |
---|
| 1727 | } |
---|
| 1728 | if ( uiPosLastY > 3 ) |
---|
| 1729 | { |
---|
| 1730 | UInt uiTemp = 0; |
---|
| 1731 | UInt uiCount = ( uiPosLastY - 2 ) >> 1; |
---|
| 1732 | for ( Int i = uiCount - 1; i >= 0; i-- ) |
---|
| 1733 | { |
---|
[1200] | 1734 | m_pcTDecBinIf->decodeBinEP( uiLast RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype) ); |
---|
[56] | 1735 | uiTemp += uiLast << i; |
---|
| 1736 | } |
---|
| 1737 | uiPosLastY = g_uiMinInGroup[ uiPosLastY ] + uiTemp; |
---|
| 1738 | } |
---|
[1200] | 1739 | |
---|
[2] | 1740 | if( uiScanIdx == SCAN_VER ) |
---|
| 1741 | { |
---|
| 1742 | swap( uiPosLastX, uiPosLastY ); |
---|
| 1743 | } |
---|
| 1744 | } |
---|
| 1745 | |
---|
[1200] | 1746 | Void TDecSbac::parseCoeffNxN( TComTU &rTu, ComponentID compID ) |
---|
[2] | 1747 | { |
---|
[1200] | 1748 | TComDataCU* pcCU=rTu.getCU(); |
---|
| 1749 | const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU(compID); |
---|
| 1750 | const TComRectangle &rRect=rTu.getRect(compID); |
---|
| 1751 | const UInt uiWidth=rRect.width; |
---|
| 1752 | const UInt uiHeight=rRect.height; |
---|
| 1753 | TCoeff* pcCoef=(pcCU->getCoeff(compID)+rTu.getCoefficientOffset(compID)); |
---|
| 1754 | const TComSPS &sps=*(pcCU->getSlice()->getSPS()); |
---|
[608] | 1755 | #if !H_MV_ENC_DEC_TRAC |
---|
[56] | 1756 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
[2] | 1757 | DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" ) |
---|
[1200] | 1758 | DTRACE_CABAC_V( compID ) |
---|
[2] | 1759 | DTRACE_CABAC_T( "\twidth=" ) |
---|
| 1760 | DTRACE_CABAC_V( uiWidth ) |
---|
| 1761 | DTRACE_CABAC_T( "\theight=" ) |
---|
| 1762 | DTRACE_CABAC_V( uiHeight ) |
---|
| 1763 | DTRACE_CABAC_T( "\tdepth=" ) |
---|
[1200] | 1764 | // DTRACE_CABAC_V( rTu.GetTransformDepthTotalAdj(compID) ) |
---|
| 1765 | DTRACE_CABAC_V( rTu.GetTransformDepthTotal() ) |
---|
[2] | 1766 | DTRACE_CABAC_T( "\tabspartidx=" ) |
---|
[1200] | 1767 | // DTRACE_CABAC_V( uiAbsPartIdx ) |
---|
| 1768 | DTRACE_CABAC_V( rTu.GetAbsPartIdxTU(compID) ) |
---|
[2] | 1769 | DTRACE_CABAC_T( "\ttoCU-X=" ) |
---|
| 1770 | DTRACE_CABAC_V( pcCU->getCUPelX() ) |
---|
| 1771 | DTRACE_CABAC_T( "\ttoCU-Y=" ) |
---|
| 1772 | DTRACE_CABAC_V( pcCU->getCUPelY() ) |
---|
| 1773 | DTRACE_CABAC_T( "\tCU-addr=" ) |
---|
[1200] | 1774 | DTRACE_CABAC_V( pcCU->getCtuRsAddr() ) |
---|
[2] | 1775 | DTRACE_CABAC_T( "\tinCU-X=" ) |
---|
[1200] | 1776 | // DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1777 | DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] ) |
---|
[2] | 1778 | DTRACE_CABAC_T( "\tinCU-Y=" ) |
---|
[1200] | 1779 | // DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] ) |
---|
| 1780 | DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] ) |
---|
[2] | 1781 | DTRACE_CABAC_T( "\tpredmode=" ) |
---|
| 1782 | DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) ) |
---|
| 1783 | DTRACE_CABAC_T( "\n" ) |
---|
[608] | 1784 | #endif |
---|
[1200] | 1785 | |
---|
| 1786 | //-------------------------------------------------------------------------------------------------- |
---|
| 1787 | |
---|
| 1788 | if( uiWidth > sps.getMaxTrSize() ) |
---|
[2] | 1789 | { |
---|
[1200] | 1790 | std::cerr << "ERROR: parseCoeffNxN was passed a TU with dimensions larger than the maximum allowed size" << std::endl; |
---|
| 1791 | assert(false); |
---|
| 1792 | exit(1); |
---|
[2] | 1793 | } |
---|
[1200] | 1794 | |
---|
| 1795 | //-------------------------------------------------------------------------------------------------- |
---|
| 1796 | |
---|
| 1797 | //set parameters |
---|
| 1798 | |
---|
| 1799 | const ChannelType chType = toChannelType(compID); |
---|
| 1800 | const UInt uiLog2BlockWidth = g_aucConvertToBit[ uiWidth ] + 2; |
---|
| 1801 | const UInt uiLog2BlockHeight = g_aucConvertToBit[ uiHeight ] + 2; |
---|
| 1802 | const UInt uiMaxNumCoeff = uiWidth * uiHeight; |
---|
| 1803 | const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1; |
---|
| 1804 | |
---|
| 1805 | const ChannelType channelType = toChannelType(compID); |
---|
| 1806 | const Bool extendedPrecision = sps.getSpsRangeExtension().getExtendedPrecisionProcessingFlag(); |
---|
| 1807 | |
---|
| 1808 | const Bool alignCABACBeforeBypass = sps.getSpsRangeExtension().getCabacBypassAlignmentEnabledFlag(); |
---|
| 1809 | const Int maxLog2TrDynamicRange = sps.getMaxLog2TrDynamicRange(channelType); |
---|
| 1810 | |
---|
| 1811 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 1812 | TComCodingStatisticsClassType ctype_group(STATS__CABAC_BITS__SIG_COEFF_GROUP_FLAG, uiLog2BlockWidth, compID); |
---|
| 1813 | TComCodingStatisticsClassType ctype_map(STATS__CABAC_BITS__SIG_COEFF_MAP_FLAG, uiLog2BlockWidth, compID); |
---|
| 1814 | TComCodingStatisticsClassType ctype_gt1(STATS__CABAC_BITS__GT1_FLAG, uiLog2BlockWidth, compID); |
---|
| 1815 | TComCodingStatisticsClassType ctype_gt2(STATS__CABAC_BITS__GT2_FLAG, uiLog2BlockWidth, compID); |
---|
| 1816 | #endif |
---|
| 1817 | |
---|
| 1818 | Bool beValid; |
---|
| 1819 | if (pcCU->getCUTransquantBypass(uiAbsPartIdx)) |
---|
| 1820 | { |
---|
| 1821 | beValid = false; |
---|
| 1822 | if((!pcCU->isIntra(uiAbsPartIdx)) && pcCU->isRDPCMEnabled(uiAbsPartIdx)) |
---|
| 1823 | { |
---|
| 1824 | parseExplicitRdpcmMode(rTu, compID); |
---|
| 1825 | } |
---|
| 1826 | } |
---|
| 1827 | else |
---|
| 1828 | { |
---|
| 1829 | beValid = pcCU->getSlice()->getPPS()->getSignHideFlag(); |
---|
| 1830 | } |
---|
| 1831 | |
---|
| 1832 | UInt absSum = 0; |
---|
| 1833 | |
---|
| 1834 | //-------------------------------------------------------------------------------------------------- |
---|
| 1835 | |
---|
[608] | 1836 | if(pcCU->getSlice()->getPPS()->getUseTransformSkip()) |
---|
| 1837 | { |
---|
[1200] | 1838 | parseTransformSkipFlags(rTu, compID); |
---|
| 1839 | // This TU has coefficients and is transform skipped. Check whether is inter coded and if yes decode the explicit RDPCM mode |
---|
| 1840 | if(pcCU->getTransformSkip(uiAbsPartIdx, compID) && (!pcCU->isIntra(uiAbsPartIdx)) && pcCU->isRDPCMEnabled(uiAbsPartIdx) ) |
---|
| 1841 | { |
---|
| 1842 | parseExplicitRdpcmMode(rTu, compID); |
---|
| 1843 | if(pcCU->getExplicitRdpcmMode(compID, uiAbsPartIdx) != RDPCM_OFF) |
---|
| 1844 | { |
---|
| 1845 | // Sign data hiding is avoided for horizontal and vertical RDPCM modes |
---|
| 1846 | beValid = false; |
---|
| 1847 | } |
---|
| 1848 | } |
---|
[608] | 1849 | } |
---|
| 1850 | |
---|
[1200] | 1851 | Int uiIntraMode = -1; |
---|
| 1852 | const Bool bIsLuma = isLuma(compID); |
---|
| 1853 | Int isIntra = pcCU->isIntra(uiAbsPartIdx) ? 1 : 0; |
---|
| 1854 | if ( isIntra && pcCU->isRDPCMEnabled(uiAbsPartIdx) ) |
---|
| 1855 | { |
---|
| 1856 | const UInt partsPerMinCU = 1<<(2*(sps.getMaxTotalCUDepth() - sps.getLog2DiffMaxMinCodingBlockSize())); |
---|
| 1857 | uiIntraMode = pcCU->getIntraDir( toChannelType(compID), uiAbsPartIdx ); |
---|
| 1858 | uiIntraMode = (uiIntraMode==DM_CHROMA_IDX && !bIsLuma) ? pcCU->getIntraDir(CHANNEL_TYPE_LUMA, getChromasCorrespondingPULumaIdx(uiAbsPartIdx, rTu.GetChromaFormat(), partsPerMinCU)) : uiIntraMode; |
---|
| 1859 | uiIntraMode = ((rTu.GetChromaFormat() == CHROMA_422) && !bIsLuma) ? g_chroma422IntraAngleMappingTable[uiIntraMode] : uiIntraMode; |
---|
| 1860 | |
---|
| 1861 | Bool transformSkip = pcCU->getTransformSkip( uiAbsPartIdx,compID); |
---|
| 1862 | Bool rdpcm_lossy = ( transformSkip /*&& isIntra*/ && ( (uiIntraMode == HOR_IDX) || (uiIntraMode == VER_IDX) ) ); |
---|
| 1863 | if ( rdpcm_lossy ) |
---|
| 1864 | { |
---|
| 1865 | beValid = false; |
---|
| 1866 | } |
---|
| 1867 | } |
---|
| 1868 | |
---|
| 1869 | //-------------------------------------------------------------------------------------------------- |
---|
| 1870 | |
---|
| 1871 | const Bool bUseGolombRiceParameterAdaptation = sps.getSpsRangeExtension().getPersistentRiceAdaptationEnabledFlag(); |
---|
| 1872 | UInt ¤tGolombRiceStatistic = m_golombRiceAdaptationStatistics[rTu.getGolombRiceStatisticsIndex(compID)]; |
---|
| 1873 | |
---|
| 1874 | //select scans |
---|
| 1875 | TUEntropyCodingParameters codingParameters; |
---|
| 1876 | getTUEntropyCodingParameters(codingParameters, rTu, compID); |
---|
| 1877 | |
---|
[56] | 1878 | //===== decode last significant ===== |
---|
| 1879 | UInt uiPosLastX, uiPosLastY; |
---|
[1200] | 1880 | parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, uiHeight, compID, codingParameters.scanType ); |
---|
| 1881 | UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockWidth); |
---|
[56] | 1882 | pcCoef[ uiBlkPosLast ] = 1; |
---|
[2] | 1883 | |
---|
[56] | 1884 | //===== decode significance flags ===== |
---|
[608] | 1885 | UInt uiScanPosLast; |
---|
[56] | 1886 | for( uiScanPosLast = 0; uiScanPosLast < uiMaxNumCoeffM1; uiScanPosLast++ ) |
---|
| 1887 | { |
---|
[1200] | 1888 | UInt uiBlkPos = codingParameters.scan[ uiScanPosLast ]; |
---|
[56] | 1889 | if( uiBlkPosLast == uiBlkPos ) |
---|
[2] | 1890 | { |
---|
[56] | 1891 | break; |
---|
[2] | 1892 | } |
---|
[56] | 1893 | } |
---|
[2] | 1894 | |
---|
[1200] | 1895 | ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, isChroma(chType) ); |
---|
| 1896 | ContextModel * const baseCtx = m_cCUSigSCModel.get( 0, 0 ) + getSignificanceMapContextOffset(compID); |
---|
[56] | 1897 | |
---|
[1200] | 1898 | const Int iLastScanSet = uiScanPosLast >> MLS_CG_SIZE; |
---|
| 1899 | UInt c1 = 1; |
---|
| 1900 | UInt uiGoRiceParam = 0; |
---|
[56] | 1901 | |
---|
| 1902 | |
---|
| 1903 | UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ]; |
---|
[1200] | 1904 | memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM ); |
---|
| 1905 | |
---|
[56] | 1906 | Int iScanPosSig = (Int) uiScanPosLast; |
---|
| 1907 | for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- ) |
---|
| 1908 | { |
---|
[1200] | 1909 | Int iSubPos = iSubSet << MLS_CG_SIZE; |
---|
| 1910 | uiGoRiceParam = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR; |
---|
| 1911 | Bool updateGolombRiceStatistics = bUseGolombRiceParameterAdaptation; //leave the statistics at 0 when not using the adaptation system |
---|
[56] | 1912 | Int numNonZero = 0; |
---|
| 1913 | |
---|
[1200] | 1914 | Int lastNZPosInCG = -1; |
---|
| 1915 | Int firstNZPosInCG = 1 << MLS_CG_SIZE; |
---|
| 1916 | |
---|
| 1917 | Bool escapeDataPresentInGroup = false; |
---|
| 1918 | |
---|
| 1919 | Int pos[1 << MLS_CG_SIZE]; |
---|
| 1920 | |
---|
[56] | 1921 | if( iScanPosSig == (Int) uiScanPosLast ) |
---|
| 1922 | { |
---|
| 1923 | lastNZPosInCG = iScanPosSig; |
---|
| 1924 | firstNZPosInCG = iScanPosSig; |
---|
| 1925 | iScanPosSig--; |
---|
| 1926 | pos[ numNonZero ] = uiBlkPosLast; |
---|
| 1927 | numNonZero = 1; |
---|
| 1928 | } |
---|
[2] | 1929 | |
---|
[608] | 1930 | // decode significant_coeffgroup_flag |
---|
[1200] | 1931 | Int iCGBlkPos = codingParameters.scanCG[ iSubSet ]; |
---|
| 1932 | Int iCGPosY = iCGBlkPos / codingParameters.widthInGroups; |
---|
| 1933 | Int iCGPosX = iCGBlkPos - (iCGPosY * codingParameters.widthInGroups); |
---|
| 1934 | |
---|
[608] | 1935 | if( iSubSet == iLastScanSet || iSubSet == 0) |
---|
| 1936 | { |
---|
| 1937 | uiSigCoeffGroupFlag[ iCGBlkPos ] = 1; |
---|
| 1938 | } |
---|
| 1939 | else |
---|
| 1940 | { |
---|
| 1941 | UInt uiSigCoeffGroup; |
---|
[1200] | 1942 | UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups ); |
---|
| 1943 | m_pcTDecBinIf->decodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype_group) ); |
---|
[608] | 1944 | uiSigCoeffGroupFlag[ iCGBlkPos ] = uiSigCoeffGroup; |
---|
| 1945 | } |
---|
[56] | 1946 | |
---|
[608] | 1947 | // decode significant_coeff_flag |
---|
[1200] | 1948 | const Int patternSigCtx = TComTrQuant::calcPatternSigCtx(uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups); |
---|
| 1949 | |
---|
| 1950 | UInt uiBlkPos, uiSig, uiCtxSig; |
---|
[608] | 1951 | for( ; iScanPosSig >= iSubPos; iScanPosSig-- ) |
---|
| 1952 | { |
---|
[1200] | 1953 | uiBlkPos = codingParameters.scan[ iScanPosSig ]; |
---|
[608] | 1954 | uiSig = 0; |
---|
[1200] | 1955 | |
---|
[608] | 1956 | if( uiSigCoeffGroupFlag[ iCGBlkPos ] ) |
---|
[56] | 1957 | { |
---|
[608] | 1958 | if( iScanPosSig > iSubPos || iSubSet == 0 || numNonZero ) |
---|
[2] | 1959 | { |
---|
[1200] | 1960 | uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, codingParameters, iScanPosSig, uiLog2BlockWidth, uiLog2BlockHeight, chType ); |
---|
| 1961 | m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype_map) ); |
---|
[2] | 1962 | } |
---|
[608] | 1963 | else |
---|
[2] | 1964 | { |
---|
[608] | 1965 | uiSig = 1; |
---|
[2] | 1966 | } |
---|
[56] | 1967 | } |
---|
[608] | 1968 | pcCoef[ uiBlkPos ] = uiSig; |
---|
| 1969 | if( uiSig ) |
---|
| 1970 | { |
---|
| 1971 | pos[ numNonZero ] = uiBlkPos; |
---|
| 1972 | numNonZero ++; |
---|
| 1973 | if( lastNZPosInCG == -1 ) |
---|
| 1974 | { |
---|
| 1975 | lastNZPosInCG = iScanPosSig; |
---|
| 1976 | } |
---|
| 1977 | firstNZPosInCG = iScanPosSig; |
---|
| 1978 | } |
---|
| 1979 | } |
---|
[1200] | 1980 | |
---|
| 1981 | if( numNonZero > 0 ) |
---|
[2] | 1982 | { |
---|
[608] | 1983 | Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD ); |
---|
[1200] | 1984 | |
---|
[56] | 1985 | absSum = 0; |
---|
[1200] | 1986 | |
---|
| 1987 | const UInt uiCtxSet = getContextSetIndex(compID, iSubSet, (c1 == 0)); |
---|
| 1988 | c1 = 1; |
---|
[56] | 1989 | UInt uiBin; |
---|
[1200] | 1990 | |
---|
| 1991 | ContextModel *baseCtxMod = m_cCUOneSCModel.get( 0, 0 ) + (NUM_ONE_FLAG_CTX_PER_SET * uiCtxSet); |
---|
| 1992 | |
---|
| 1993 | Int absCoeff[1 << MLS_CG_SIZE]; |
---|
| 1994 | |
---|
| 1995 | for ( Int i = 0; i < numNonZero; i++) |
---|
[2] | 1996 | { |
---|
[1200] | 1997 | absCoeff[i] = 1; |
---|
[56] | 1998 | } |
---|
| 1999 | Int numC1Flag = min(numNonZero, C1FLAG_NUMBER); |
---|
| 2000 | Int firstC2FlagIdx = -1; |
---|
| 2001 | |
---|
| 2002 | for( Int idx = 0; idx < numC1Flag; idx++ ) |
---|
| 2003 | { |
---|
[1200] | 2004 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c1] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype_gt1) ); |
---|
[56] | 2005 | if( uiBin == 1 ) |
---|
[2] | 2006 | { |
---|
[56] | 2007 | c1 = 0; |
---|
| 2008 | if (firstC2FlagIdx == -1) |
---|
| 2009 | { |
---|
| 2010 | firstC2FlagIdx = idx; |
---|
| 2011 | } |
---|
[1200] | 2012 | else //if a greater-than-one has been encountered already this group |
---|
| 2013 | { |
---|
| 2014 | escapeDataPresentInGroup = true; |
---|
| 2015 | } |
---|
[56] | 2016 | } |
---|
| 2017 | else if( (c1 < 3) && (c1 > 0) ) |
---|
| 2018 | { |
---|
[2] | 2019 | c1++; |
---|
| 2020 | } |
---|
[56] | 2021 | absCoeff[ idx ] = uiBin + 1; |
---|
| 2022 | } |
---|
[1200] | 2023 | |
---|
[56] | 2024 | if (c1 == 0) |
---|
| 2025 | { |
---|
[1200] | 2026 | baseCtxMod = m_cCUAbsSCModel.get( 0, 0 ) + (NUM_ABS_FLAG_CTX_PER_SET * uiCtxSet); |
---|
[56] | 2027 | if ( firstC2FlagIdx != -1) |
---|
[2] | 2028 | { |
---|
[1200] | 2029 | m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[0] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype_gt2) ); |
---|
[56] | 2030 | absCoeff[ firstC2FlagIdx ] = uiBin + 2; |
---|
[1200] | 2031 | if (uiBin != 0) |
---|
| 2032 | { |
---|
| 2033 | escapeDataPresentInGroup = true; |
---|
| 2034 | } |
---|
[2] | 2035 | } |
---|
| 2036 | } |
---|
[56] | 2037 | |
---|
[1200] | 2038 | escapeDataPresentInGroup = escapeDataPresentInGroup || (numNonZero > C1FLAG_NUMBER); |
---|
| 2039 | |
---|
| 2040 | const Bool alignGroup = escapeDataPresentInGroup && alignCABACBeforeBypass; |
---|
| 2041 | |
---|
| 2042 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 2043 | TComCodingStatisticsClassType ctype_signs((alignGroup ? STATS__CABAC_BITS__ALIGNED_SIGN_BIT : STATS__CABAC_BITS__SIGN_BIT ), uiLog2BlockWidth, compID); |
---|
| 2044 | TComCodingStatisticsClassType ctype_escs ((alignGroup ? STATS__CABAC_BITS__ALIGNED_ESCAPE_BITS : STATS__CABAC_BITS__ESCAPE_BITS), uiLog2BlockWidth, compID); |
---|
| 2045 | #endif |
---|
| 2046 | |
---|
| 2047 | if (alignGroup) |
---|
| 2048 | { |
---|
| 2049 | m_pcTDecBinIf->align(); |
---|
| 2050 | } |
---|
| 2051 | |
---|
[56] | 2052 | UInt coeffSigns; |
---|
| 2053 | if ( signHidden && beValid ) |
---|
| 2054 | { |
---|
[1200] | 2055 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero-1 RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype_signs) ); |
---|
[56] | 2056 | coeffSigns <<= 32 - (numNonZero-1); |
---|
| 2057 | } |
---|
| 2058 | else |
---|
| 2059 | { |
---|
[1200] | 2060 | m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype_signs) ); |
---|
[56] | 2061 | coeffSigns <<= 32 - numNonZero; |
---|
| 2062 | } |
---|
[1200] | 2063 | |
---|
| 2064 | Int iFirstCoeff2 = 1; |
---|
| 2065 | if (escapeDataPresentInGroup) |
---|
[2] | 2066 | { |
---|
[56] | 2067 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
[2] | 2068 | { |
---|
[56] | 2069 | UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2) : 1; |
---|
[2] | 2070 | |
---|
[56] | 2071 | if( absCoeff[ idx ] == baseLevel) |
---|
[2] | 2072 | { |
---|
[56] | 2073 | UInt uiLevel; |
---|
[1200] | 2074 | xReadCoefRemainExGolomb( uiLevel, uiGoRiceParam, extendedPrecision, maxLog2TrDynamicRange RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype_escs) ); |
---|
| 2075 | |
---|
[56] | 2076 | absCoeff[ idx ] = uiLevel + baseLevel; |
---|
[1200] | 2077 | |
---|
| 2078 | if (absCoeff[idx] > (3 << uiGoRiceParam)) |
---|
[608] | 2079 | { |
---|
[1200] | 2080 | uiGoRiceParam = bUseGolombRiceParameterAdaptation ? (uiGoRiceParam + 1) : (std::min<UInt>((uiGoRiceParam + 1), 4)); |
---|
[608] | 2081 | } |
---|
[1200] | 2082 | |
---|
| 2083 | if (updateGolombRiceStatistics) |
---|
| 2084 | { |
---|
| 2085 | const UInt initialGolombRiceParameter = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR; |
---|
| 2086 | |
---|
| 2087 | if (uiLevel >= (3 << initialGolombRiceParameter)) |
---|
| 2088 | { |
---|
| 2089 | currentGolombRiceStatistic++; |
---|
| 2090 | } |
---|
| 2091 | else if (((uiLevel * 2) < (1 << initialGolombRiceParameter)) && (currentGolombRiceStatistic > 0)) |
---|
| 2092 | { |
---|
| 2093 | currentGolombRiceStatistic--; |
---|
| 2094 | } |
---|
| 2095 | |
---|
| 2096 | updateGolombRiceStatistics = false; |
---|
| 2097 | } |
---|
[2] | 2098 | } |
---|
[56] | 2099 | |
---|
[1200] | 2100 | if(absCoeff[ idx ] >= 2) |
---|
[2] | 2101 | { |
---|
[56] | 2102 | iFirstCoeff2 = 0; |
---|
[2] | 2103 | } |
---|
| 2104 | } |
---|
| 2105 | } |
---|
[56] | 2106 | |
---|
| 2107 | for( Int idx = 0; idx < numNonZero; idx++ ) |
---|
[2] | 2108 | { |
---|
[56] | 2109 | Int blkPos = pos[ idx ]; |
---|
| 2110 | // Signs applied later. |
---|
| 2111 | pcCoef[ blkPos ] = absCoeff[ idx ]; |
---|
| 2112 | absSum += absCoeff[ idx ]; |
---|
| 2113 | |
---|
| 2114 | if ( idx == numNonZero-1 && signHidden && beValid ) |
---|
| 2115 | { |
---|
| 2116 | // Infer sign of 1st element. |
---|
| 2117 | if (absSum&0x1) |
---|
[608] | 2118 | { |
---|
[56] | 2119 | pcCoef[ blkPos ] = -pcCoef[ blkPos ]; |
---|
[608] | 2120 | } |
---|
[56] | 2121 | } |
---|
| 2122 | else |
---|
| 2123 | { |
---|
| 2124 | Int sign = static_cast<Int>( coeffSigns ) >> 31; |
---|
| 2125 | pcCoef[ blkPos ] = ( pcCoef[ blkPos ] ^ sign ) - sign; |
---|
| 2126 | coeffSigns <<= 1; |
---|
| 2127 | } |
---|
[2] | 2128 | } |
---|
| 2129 | } |
---|
| 2130 | } |
---|
[1200] | 2131 | |
---|
| 2132 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
---|
| 2133 | printSBACCoeffData(uiPosLastX, uiPosLastY, uiWidth, uiHeight, compID, uiAbsPartIdx, codingParameters.scanType, pcCoef); |
---|
| 2134 | #endif |
---|
| 2135 | |
---|
[2] | 2136 | return; |
---|
| 2137 | } |
---|
| 2138 | |
---|
[443] | 2139 | Void TDecSbac::parseSaoMaxUvlc ( UInt& val, UInt maxSymbol ) |
---|
| 2140 | { |
---|
[608] | 2141 | if (maxSymbol == 0) |
---|
[2] | 2142 | { |
---|
[608] | 2143 | val = 0; |
---|
[2] | 2144 | return; |
---|
| 2145 | } |
---|
[56] | 2146 | |
---|
[608] | 2147 | UInt code; |
---|
[2] | 2148 | Int i; |
---|
[1200] | 2149 | m_pcTDecBinIf->decodeBinEP( code RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__SAO) ); |
---|
[608] | 2150 | if ( code == 0 ) |
---|
[2] | 2151 | { |
---|
[608] | 2152 | val = 0; |
---|
[2] | 2153 | return; |
---|
| 2154 | } |
---|
[56] | 2155 | |
---|
[2] | 2156 | i=1; |
---|
| 2157 | while (1) |
---|
| 2158 | { |
---|
[1200] | 2159 | m_pcTDecBinIf->decodeBinEP( code RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__SAO) ); |
---|
[608] | 2160 | if ( code == 0 ) |
---|
| 2161 | { |
---|
| 2162 | break; |
---|
| 2163 | } |
---|
[2] | 2164 | i++; |
---|
[1200] | 2165 | if (i == maxSymbol) |
---|
[56] | 2166 | { |
---|
[608] | 2167 | break; |
---|
[56] | 2168 | } |
---|
| 2169 | } |
---|
[608] | 2170 | |
---|
| 2171 | val = i; |
---|
[2] | 2172 | } |
---|
[1200] | 2173 | |
---|
[608] | 2174 | Void TDecSbac::parseSaoUflc (UInt uiLength, UInt& riVal) |
---|
[56] | 2175 | { |
---|
[1200] | 2176 | m_pcTDecBinIf->decodeBinsEP ( riVal, uiLength RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__SAO) ); |
---|
[56] | 2177 | } |
---|
[1200] | 2178 | |
---|
[608] | 2179 | Void TDecSbac::parseSaoMerge (UInt& ruiVal) |
---|
[2] | 2180 | { |
---|
| 2181 | UInt uiCode; |
---|
[1200] | 2182 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeSCModel.get( 0, 0, 0 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__SAO) ); |
---|
[56] | 2183 | ruiVal = (Int)uiCode; |
---|
| 2184 | } |
---|
[1200] | 2185 | |
---|
[56] | 2186 | Void TDecSbac::parseSaoTypeIdx (UInt& ruiVal) |
---|
| 2187 | { |
---|
| 2188 | UInt uiCode; |
---|
[1200] | 2189 | m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__SAO) ); |
---|
| 2190 | if (uiCode == 0) |
---|
[2] | 2191 | { |
---|
| 2192 | ruiVal = 0; |
---|
| 2193 | } |
---|
[608] | 2194 | else |
---|
[2] | 2195 | { |
---|
[1200] | 2196 | m_pcTDecBinIf->decodeBinEP( uiCode RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__SAO) ); |
---|
[608] | 2197 | if (uiCode == 0) |
---|
| 2198 | { |
---|
[872] | 2199 | ruiVal = 1; |
---|
[608] | 2200 | } |
---|
| 2201 | else |
---|
| 2202 | { |
---|
[872] | 2203 | ruiVal = 2; |
---|
[608] | 2204 | } |
---|
[2] | 2205 | } |
---|
| 2206 | } |
---|
| 2207 | |
---|
[872] | 2208 | Void TDecSbac::parseSaoSign(UInt& val) |
---|
[2] | 2209 | { |
---|
[1200] | 2210 | m_pcTDecBinIf->decodeBinEP ( val RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__SAO) ); |
---|
[56] | 2211 | } |
---|
[608] | 2212 | |
---|
[872] | 2213 | Void TDecSbac::parseSAOBlkParam (SAOBlkParam& saoBlkParam |
---|
| 2214 | , Bool* sliceEnabled |
---|
| 2215 | , Bool leftMergeAvail |
---|
| 2216 | , Bool aboveMergeAvail |
---|
[1200] | 2217 | , const BitDepths &bitDepths |
---|
[872] | 2218 | ) |
---|
[56] | 2219 | { |
---|
| 2220 | UInt uiSymbol; |
---|
[2] | 2221 | |
---|
[872] | 2222 | Bool isLeftMerge = false; |
---|
| 2223 | Bool isAboveMerge= false; |
---|
| 2224 | |
---|
| 2225 | if(leftMergeAvail) |
---|
[608] | 2226 | { |
---|
[872] | 2227 | parseSaoMerge(uiSymbol); //sao_merge_left_flag |
---|
| 2228 | isLeftMerge = (uiSymbol?true:false); |
---|
[608] | 2229 | } |
---|
[872] | 2230 | |
---|
| 2231 | if( aboveMergeAvail && !isLeftMerge) |
---|
[608] | 2232 | { |
---|
[872] | 2233 | parseSaoMerge(uiSymbol); //sao_merge_up_flag |
---|
| 2234 | isAboveMerge = (uiSymbol?true:false); |
---|
[608] | 2235 | } |
---|
| 2236 | |
---|
[872] | 2237 | if(isLeftMerge || isAboveMerge) //merge mode |
---|
[1200] | 2238 | { |
---|
| 2239 | for (UInt componentIndex = 0; componentIndex < MAX_NUM_COMPONENT; componentIndex++) |
---|
| 2240 | { |
---|
| 2241 | saoBlkParam[componentIndex].modeIdc = (sliceEnabled[componentIndex]) ? SAO_MODE_MERGE : SAO_MODE_OFF; |
---|
| 2242 | saoBlkParam[componentIndex].typeIdc = (isLeftMerge)?SAO_MERGE_LEFT:SAO_MERGE_ABOVE; |
---|
| 2243 | } |
---|
| 2244 | } |
---|
[872] | 2245 | else //new or off mode |
---|
[1200] | 2246 | { |
---|
| 2247 | for(Int compId=COMPONENT_Y; compId < MAX_NUM_COMPONENT; compId++) |
---|
| 2248 | { |
---|
| 2249 | const ComponentID compIdx=ComponentID(compId); |
---|
| 2250 | const ComponentID firstCompOfChType = getFirstComponentOfChannel(toChannelType(compIdx)); |
---|
[872] | 2251 | SAOOffset& ctbParam = saoBlkParam[compIdx]; |
---|
[1200] | 2252 | #if O0043_BEST_EFFORT_DECODING |
---|
| 2253 | const Int bitDepthOrig = bitDepths.stream[toChannelType(compIdx)]; |
---|
| 2254 | const Int forceBitDepthAdjust = bitDepthOrig - bitDepths.recon[toChannelType(compIdx)]; |
---|
| 2255 | #else |
---|
| 2256 | const Int bitDepthOrig = bitDepths.recon[toChannelType(compIdx)]; |
---|
| 2257 | #endif |
---|
| 2258 | const Int maxOffsetQVal=TComSampleAdaptiveOffset::getMaxOffsetQVal(bitDepthOrig); |
---|
[872] | 2259 | if(!sliceEnabled[compIdx]) |
---|
[1200] | 2260 | { |
---|
[872] | 2261 | //off |
---|
| 2262 | ctbParam.modeIdc = SAO_MODE_OFF; |
---|
| 2263 | continue; |
---|
[1200] | 2264 | } |
---|
[872] | 2265 | |
---|
| 2266 | //type |
---|
[1200] | 2267 | if(compIdx == firstCompOfChType) |
---|
| 2268 | { |
---|
[872] | 2269 | parseSaoTypeIdx(uiSymbol); //sao_type_idx_luma or sao_type_idx_chroma |
---|
| 2270 | |
---|
| 2271 | assert(uiSymbol ==0 || uiSymbol ==1 || uiSymbol ==2); |
---|
| 2272 | |
---|
| 2273 | if(uiSymbol ==0) //OFF |
---|
[1200] | 2274 | { |
---|
[872] | 2275 | ctbParam.modeIdc = SAO_MODE_OFF; |
---|
[1200] | 2276 | } |
---|
[872] | 2277 | else if(uiSymbol == 1) //BO |
---|
| 2278 | { |
---|
| 2279 | ctbParam.modeIdc = SAO_MODE_NEW; |
---|
| 2280 | ctbParam.typeIdc = SAO_TYPE_START_BO; |
---|
[1200] | 2281 | } |
---|
[872] | 2282 | else //2, EO |
---|
[1200] | 2283 | { |
---|
[872] | 2284 | ctbParam.modeIdc = SAO_MODE_NEW; |
---|
| 2285 | ctbParam.typeIdc = SAO_TYPE_START_EO; |
---|
| 2286 | } |
---|
| 2287 | |
---|
[1200] | 2288 | } |
---|
[872] | 2289 | else //Cr, follow Cb SAO type |
---|
| 2290 | { |
---|
[1200] | 2291 | ctbParam.modeIdc = saoBlkParam[COMPONENT_Cb].modeIdc; |
---|
| 2292 | ctbParam.typeIdc = saoBlkParam[COMPONENT_Cb].typeIdc; |
---|
| 2293 | } |
---|
[2] | 2294 | |
---|
[872] | 2295 | if(ctbParam.modeIdc == SAO_MODE_NEW) |
---|
[1200] | 2296 | { |
---|
[872] | 2297 | Int offset[4]; |
---|
| 2298 | for(Int i=0; i< 4; i++) |
---|
[1200] | 2299 | { |
---|
| 2300 | parseSaoMaxUvlc(uiSymbol, maxOffsetQVal ); //sao_offset_abs |
---|
[872] | 2301 | offset[i] = (Int)uiSymbol; |
---|
[1200] | 2302 | } |
---|
[56] | 2303 | |
---|
[872] | 2304 | if(ctbParam.typeIdc == SAO_TYPE_START_BO) |
---|
[1200] | 2305 | { |
---|
[872] | 2306 | for(Int i=0; i< 4; i++) |
---|
[1200] | 2307 | { |
---|
[872] | 2308 | if(offset[i] != 0) |
---|
[1200] | 2309 | { |
---|
[872] | 2310 | parseSaoSign(uiSymbol); //sao_offset_sign |
---|
| 2311 | if(uiSymbol) |
---|
[1200] | 2312 | { |
---|
| 2313 | #if O0043_BEST_EFFORT_DECODING |
---|
| 2314 | offset[i] >>= forceBitDepthAdjust; |
---|
| 2315 | #endif |
---|
[872] | 2316 | offset[i] = -offset[i]; |
---|
[1200] | 2317 | } |
---|
| 2318 | } |
---|
| 2319 | } |
---|
[872] | 2320 | parseSaoUflc(NUM_SAO_BO_CLASSES_LOG2, uiSymbol ); //sao_band_position |
---|
| 2321 | ctbParam.typeAuxInfo = uiSymbol; |
---|
[608] | 2322 | |
---|
[872] | 2323 | for(Int i=0; i<4; i++) |
---|
[1200] | 2324 | { |
---|
[872] | 2325 | ctbParam.offset[(ctbParam.typeAuxInfo+i)%MAX_NUM_SAO_CLASSES] = offset[i]; |
---|
[1200] | 2326 | } |
---|
[56] | 2327 | |
---|
| 2328 | } |
---|
[872] | 2329 | else //EO |
---|
[56] | 2330 | { |
---|
[872] | 2331 | ctbParam.typeAuxInfo = 0; |
---|
| 2332 | |
---|
[1200] | 2333 | if(firstCompOfChType == compIdx) |
---|
| 2334 | { |
---|
[872] | 2335 | parseSaoUflc(NUM_SAO_EO_TYPES_LOG2, uiSymbol ); //sao_eo_class_luma or sao_eo_class_chroma |
---|
| 2336 | ctbParam.typeIdc += uiSymbol; |
---|
[1200] | 2337 | } |
---|
| 2338 | else |
---|
| 2339 | { |
---|
| 2340 | ctbParam.typeIdc = saoBlkParam[firstCompOfChType].typeIdc; |
---|
| 2341 | } |
---|
[872] | 2342 | ctbParam.offset[SAO_CLASS_EO_FULL_VALLEY] = offset[0]; |
---|
| 2343 | ctbParam.offset[SAO_CLASS_EO_HALF_VALLEY] = offset[1]; |
---|
| 2344 | ctbParam.offset[SAO_CLASS_EO_PLAIN ] = 0; |
---|
| 2345 | ctbParam.offset[SAO_CLASS_EO_HALF_PEAK ] = -offset[2]; |
---|
| 2346 | ctbParam.offset[SAO_CLASS_EO_FULL_PEAK ] = -offset[3]; |
---|
[1200] | 2347 | } |
---|
[56] | 2348 | } |
---|
| 2349 | } |
---|
[2] | 2350 | } |
---|
[56] | 2351 | } |
---|
[608] | 2352 | |
---|
[56] | 2353 | /** |
---|
| 2354 | - Initialize our contexts from the nominated source. |
---|
| 2355 | . |
---|
| 2356 | \param pSrc Contexts to be copied. |
---|
| 2357 | */ |
---|
[1200] | 2358 | Void TDecSbac::xCopyContextsFrom( const TDecSbac* pSrc ) |
---|
[56] | 2359 | { |
---|
| 2360 | memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0])); |
---|
[1200] | 2361 | memcpy(m_golombRiceAdaptationStatistics, pSrc->m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS)); |
---|
[56] | 2362 | } |
---|
[2] | 2363 | |
---|
[1200] | 2364 | Void TDecSbac::xCopyFrom( const TDecSbac* pSrc ) |
---|
[56] | 2365 | { |
---|
| 2366 | m_pcTDecBinIf->copyState( pSrc->m_pcTDecBinIf ); |
---|
| 2367 | xCopyContextsFrom( pSrc ); |
---|
[1200] | 2368 | } |
---|
[56] | 2369 | |
---|
[1200] | 2370 | Void TDecSbac::load ( const TDecSbac* pSrc ) |
---|
| 2371 | { |
---|
| 2372 | xCopyFrom(pSrc); |
---|
[56] | 2373 | } |
---|
| 2374 | |
---|
[1200] | 2375 | Void TDecSbac::loadContexts ( const TDecSbac* pSrc ) |
---|
[56] | 2376 | { |
---|
[1200] | 2377 | xCopyContextsFrom(pSrc); |
---|
[56] | 2378 | } |
---|
| 2379 | |
---|
[1200] | 2380 | /** Performs CABAC decoding of the explicit RDPCM mode |
---|
| 2381 | * \param rTu current TU data structure |
---|
| 2382 | * \param compID component identifier |
---|
| 2383 | */ |
---|
| 2384 | Void TDecSbac::parseExplicitRdpcmMode( TComTU &rTu, ComponentID compID ) |
---|
[56] | 2385 | { |
---|
[1200] | 2386 | TComDataCU* cu = rTu.getCU(); |
---|
| 2387 | const UInt absPartIdx=rTu.GetAbsPartIdxTU(compID); |
---|
| 2388 | const TComRectangle &rect = rTu.getRect(compID); |
---|
| 2389 | const UInt tuHeight = g_aucConvertToBit[rect.height]; |
---|
| 2390 | const UInt tuWidth = g_aucConvertToBit[rect.width]; |
---|
| 2391 | UInt code = 0; |
---|
| 2392 | |
---|
| 2393 | assert(tuHeight == tuWidth); |
---|
| 2394 | |
---|
| 2395 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 2396 | const TComCodingStatisticsClassType ctype(STATS__EXPLICIT_RDPCM_BITS, g_aucConvertToBit[cu->getSlice()->getSPS()->getMaxCUWidth()>>rTu.GetTransformDepthTotal()]+2); |
---|
| 2397 | #endif |
---|
| 2398 | |
---|
| 2399 | m_pcTDecBinIf->decodeBin(code, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype)); |
---|
| 2400 | |
---|
| 2401 | if(code == 0) |
---|
| 2402 | { |
---|
| 2403 | cu->setExplicitRdpcmModePartRange( RDPCM_OFF, compID, absPartIdx, rTu.GetAbsPartIdxNumParts(compID)); |
---|
| 2404 | } |
---|
| 2405 | else |
---|
| 2406 | { |
---|
| 2407 | m_pcTDecBinIf->decodeBin(code, m_explicitRdpcmDirSCModel.get (0, toChannelType(compID), 0) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(ctype)); |
---|
| 2408 | if(code == 0) |
---|
| 2409 | { |
---|
| 2410 | cu->setExplicitRdpcmModePartRange( RDPCM_HOR, compID, absPartIdx, rTu.GetAbsPartIdxNumParts(compID)); |
---|
| 2411 | } |
---|
| 2412 | else |
---|
| 2413 | { |
---|
| 2414 | cu->setExplicitRdpcmModePartRange( RDPCM_VER, compID, absPartIdx, rTu.GetAbsPartIdxNumParts(compID)); |
---|
| 2415 | } |
---|
| 2416 | } |
---|
[56] | 2417 | } |
---|
| 2418 | |
---|
[608] | 2419 | #if H_3D_ARP |
---|
| 2420 | Void TDecSbac::parseARPW( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[56] | 2421 | { |
---|
[608] | 2422 | UInt uiMaxW = pcCU->getSlice()->getARPStepNum() - 1; |
---|
| 2423 | UInt uiW = 0; |
---|
| 2424 | UInt uiOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx); |
---|
| 2425 | UInt uiCode = 0; |
---|
[56] | 2426 | |
---|
[608] | 2427 | assert ( uiMaxW > 0 ); |
---|
[56] | 2428 | |
---|
[608] | 2429 | m_pcTDecBinIf->decodeBin( uiCode , m_cCUPUARPWSCModel.get( 0, 0, 0 + uiOffset ) ); |
---|
[2] | 2430 | |
---|
[608] | 2431 | uiW = uiCode; |
---|
| 2432 | if( 1 == uiW ) |
---|
[56] | 2433 | { |
---|
[833] | 2434 | m_pcTDecBinIf->decodeBin( uiCode , m_cCUPUARPWSCModel.get( 0, 0, 2 ) ); |
---|
[608] | 2435 | uiW += ( 1 == uiCode ? 1 : 0 ); |
---|
[56] | 2436 | } |
---|
[608] | 2437 | #if H_MV_ENC_DEC_TRAC |
---|
| 2438 | DTRACE_CU("iv_res_pred_weight_idx", uiW ) |
---|
| 2439 | #endif |
---|
| 2440 | pcCU->setARPWSubParts( ( UChar )( uiW ) , uiAbsPartIdx, uiDepth ); |
---|
[2] | 2441 | } |
---|
| 2442 | #endif |
---|
[56] | 2443 | |
---|
[1225] | 2444 | #if NH_3D_IC |
---|
[608] | 2445 | /** parse illumination compensation flag |
---|
| 2446 | * \param pcCU |
---|
| 2447 | * \param uiAbsPartIdx |
---|
| 2448 | * \param uiDepth |
---|
| 2449 | * \returns Void |
---|
| 2450 | */ |
---|
| 2451 | Void TDecSbac::parseICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2452 | { |
---|
| 2453 | UInt uiSymbol = 0; |
---|
[1225] | 2454 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(STATS__CABAC_BITS__3D_IC) ); |
---|
| 2455 | |
---|
[608] | 2456 | #if !H_MV_ENC_DEC_TRAC |
---|
| 2457 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
| 2458 | DTRACE_CABAC_T( "\tICFlag" ); |
---|
| 2459 | DTRACE_CABAC_T( "\tuiCtxIC: "); |
---|
| 2460 | DTRACE_CABAC_V( uiCtxIC ); |
---|
| 2461 | DTRACE_CABAC_T( "\tuiSymbol: "); |
---|
| 2462 | DTRACE_CABAC_V( uiSymbol ); |
---|
| 2463 | DTRACE_CABAC_T( "\n"); |
---|
| 2464 | #else |
---|
| 2465 | DTRACE_CU("ic_flag", uiSymbol) |
---|
[56] | 2466 | #endif |
---|
[608] | 2467 | |
---|
| 2468 | pcCU->setICFlagSubParts( uiSymbol ? true : false , uiAbsPartIdx, 0, uiDepth ); |
---|
[296] | 2469 | } |
---|
| 2470 | #endif |
---|
| 2471 | |
---|
[655] | 2472 | #if H_3D_INTER_SDC |
---|
[833] | 2473 | Void TDecSbac::parseDeltaDC( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) |
---|
| 2474 | { |
---|
| 2475 | if( ! ( pcCU->getSDCFlag( absPartIdx ) || ( pcCU->isIntra( absPartIdx ) && getDimType( pcCU->getLumaIntraDir( absPartIdx ) ) < DIM_NUM_TYPE ) ) ) |
---|
| 2476 | { |
---|
| 2477 | assert( 0 ); |
---|
| 2478 | } |
---|
| 2479 | |
---|
[1039] | 2480 | UInt symbol = 1; |
---|
| 2481 | UInt uiNumSegments = isDimMode( pcCU->getLumaIntraDir( absPartIdx ) ) ? 2 : 1; |
---|
[833] | 2482 | |
---|
[1039] | 2483 | if( pcCU->isIntra( absPartIdx ) && pcCU->getSDCFlag( absPartIdx )) |
---|
| 2484 | { |
---|
[1084] | 2485 | |
---|
[950] | 2486 | m_pcTDecBinIf->decodeBin( symbol, m_cDdcFlagSCModel.get( 0, 0, 0 ) ); |
---|
[833] | 2487 | assert( pcCU->getPartitionSize( absPartIdx ) == SIZE_2Nx2N ); |
---|
| 2488 | pcCU->setTrIdxSubParts( 0, absPartIdx, depth ); |
---|
| 2489 | pcCU->setCbfSubParts( 1, 1, 1, absPartIdx, depth ); |
---|
| 2490 | } |
---|
| 2491 | |
---|
| 2492 | for( UInt segment = 0; segment < uiNumSegments; segment++ ) |
---|
| 2493 | { |
---|
| 2494 | Pel valDeltaDC = 0; |
---|
| 2495 | if( symbol ) |
---|
| 2496 | { |
---|
| 2497 | xParseDimDeltaDC( valDeltaDC, uiNumSegments ); |
---|
| 2498 | } |
---|
| 2499 | |
---|
| 2500 | if( pcCU->isIntra( absPartIdx ) ) |
---|
| 2501 | { |
---|
| 2502 | UInt dir = pcCU->getLumaIntraDir( absPartIdx ); |
---|
| 2503 | |
---|
| 2504 | if( pcCU->getSDCFlag( absPartIdx ) ) |
---|
| 2505 | { |
---|
| 2506 | pcCU->setSDCSegmentDCOffset( valDeltaDC, segment, absPartIdx ); |
---|
| 2507 | } |
---|
| 2508 | else |
---|
| 2509 | { |
---|
| 2510 | pcCU->setDimDeltaDC( getDimType( dir ), segment, absPartIdx, valDeltaDC ); |
---|
| 2511 | } |
---|
| 2512 | } |
---|
| 2513 | else |
---|
| 2514 | { |
---|
| 2515 | pcCU->setSDCSegmentDCOffset( valDeltaDC, segment, absPartIdx ); |
---|
| 2516 | } |
---|
| 2517 | } |
---|
| 2518 | } |
---|
| 2519 | |
---|
| 2520 | Void TDecSbac::parseSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2521 | { |
---|
| 2522 | UInt uiSymbol = 0; |
---|
| 2523 | UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx ); |
---|
| 2524 | |
---|
| 2525 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) ); |
---|
[1179] | 2526 | DTRACE_CU("dc_only_flag", uiSymbol) |
---|
[833] | 2527 | if( uiSymbol ) |
---|
| 2528 | { |
---|
| 2529 | pcCU->setSDCFlagSubParts( true, uiAbsPartIdx, uiDepth ); |
---|
| 2530 | pcCU->setTrIdxSubParts( 0, uiAbsPartIdx, uiDepth ); |
---|
| 2531 | pcCU->setCbfSubParts( 1, 1, 1, uiAbsPartIdx, uiDepth ); |
---|
| 2532 | } |
---|
| 2533 | else |
---|
| 2534 | { |
---|
| 2535 | pcCU->setSDCFlagSubParts( false, uiAbsPartIdx, uiDepth ); |
---|
| 2536 | } |
---|
| 2537 | } |
---|
[100] | 2538 | |
---|
[189] | 2539 | #endif |
---|
| 2540 | |
---|
[833] | 2541 | #if H_3D_DBBP |
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| 2542 | Void TDecSbac::parseDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
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| 2543 | { |
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[1124] | 2544 | AOF( pcCU->getSlice()->getDepthBasedBlkPartFlag() ); |
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[833] | 2545 | AOF( !pcCU->getSlice()->getIsDepth() ); |
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| 2546 | |
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| 2547 | UInt uiSymbol = 0; |
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| 2548 | |
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| 2549 | m_pcTDecBinIf->decodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) ); |
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[1179] | 2550 | DTRACE_CU("dbbp_flag", uiSymbol) |
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[1039] | 2551 | PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx ); |
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| 2552 | AOF( ePartSize == SIZE_2NxN || ePartSize == SIZE_Nx2N ); |
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| 2553 | UInt uiPUOffset = ( g_auiPUOffset[UInt( ePartSize )] << ( ( pcCU->getSlice()->getSPS()->getMaxCUDepth() - uiDepth ) << 1 ) ) >> 4; |
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| 2554 | pcCU->setDBBPFlagSubParts(uiSymbol, uiAbsPartIdx, 0, uiDepth); |
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| 2555 | pcCU->setDBBPFlagSubParts(uiSymbol, uiAbsPartIdx+uiPUOffset, 1, uiDepth); |
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[833] | 2556 | } |
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| 2557 | #endif |
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| 2558 | |
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[872] | 2559 | |
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[56] | 2560 | //! \} |
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