1 | /* The copyright in this software is being made available under the BSD |
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2 | * License, included below. This software may be subject to other third party |
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3 | * and contributor rights, including patent rights, and no such rights are |
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4 | * granted under this license. |
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5 | * |
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6 | * Copyright (c) 2010-2011, ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the ISO/IEC nor the names of its contributors may |
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18 | * be used to endorse or promote products derived from this software without |
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19 | * specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | |
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35 | |
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36 | /** \file TDecSbac.h |
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37 | \brief SBAC decoder class (header) |
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38 | */ |
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39 | |
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40 | #ifndef __TDECSBAC__ |
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41 | #define __TDECSBAC__ |
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42 | |
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43 | |
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44 | #if _MSC_VER > 1000 |
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45 | #pragma once |
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46 | #endif // _MSC_VER > 1000 |
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47 | |
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48 | |
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49 | #include "TDecEntropy.h" |
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50 | #include "TDecBinCoder.h" |
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51 | #include "../TLibCommon/ContextTables.h" |
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52 | #include "../TLibCommon/ContextModel.h" |
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53 | #include "../TLibCommon/ContextModel3DBuffer.h" |
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54 | |
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55 | // ==================================================================================================================== |
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56 | // Class definition |
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57 | // ==================================================================================================================== |
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58 | |
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59 | class SEImessages; |
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60 | |
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61 | /// SBAC decoder class |
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62 | class TDecSbac : public TDecEntropyIf |
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63 | { |
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64 | public: |
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65 | TDecSbac(); |
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66 | virtual ~TDecSbac(); |
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67 | |
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68 | Void init ( TDecBinIf* p ) { m_pcTDecBinIf = p; } |
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69 | Void uninit ( ) { m_pcTDecBinIf = 0; } |
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70 | |
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71 | Void resetEntropy ( TComSlice* pcSlice ); |
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72 | Void setBitstream ( TComBitstream* p ) { m_pcBitstream = p; m_pcTDecBinIf->init( p ); } |
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73 | |
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74 | Void setAlfCtrl ( Bool bAlfCtrl ) { m_bAlfCtrl = bAlfCtrl; } |
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75 | Void setMaxAlfCtrlDepth ( UInt uiMaxAlfCtrlDepth ) { m_uiMaxAlfCtrlDepth = uiMaxAlfCtrlDepth; } |
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76 | |
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77 | Void parseNalUnitHeader ( NalUnitType& eNalUnitType, UInt& TemporalId, Bool& bOutputFlag ) {} |
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78 | |
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79 | Void parseSPS ( TComSPS* pcSPS ) {} |
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80 | Void parsePPS ( TComPPS* pcPPS ) {} |
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81 | void parseSEI(SEImessages&) {} |
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82 | Void parseSliceHeader ( TComSlice*& rpcSlice ) {} |
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83 | Void parseTerminatingBit ( UInt& ruiBit ); |
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84 | Void parseMVPIdx ( TComDataCU* pcCU, Int& riMVPIdx, Int iMVPNum, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ); |
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85 | |
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86 | Void parseAlfFlag ( UInt& ruiVal ); |
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87 | Void parseAlfUvlc ( UInt& ruiVal ); |
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88 | Void parseAlfSvlc ( Int& riVal ); |
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89 | Void parseAlfCtrlDepth ( UInt& ruiAlfCtrlDepth ); |
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90 | #if MTK_SAO |
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91 | Void parseAoFlag ( UInt& ruiVal ); |
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92 | Void parseAoUvlc ( UInt& ruiVal ); |
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93 | Void parseAoSvlc ( Int& riVal ); |
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94 | #endif |
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95 | private: |
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96 | Void xReadUnarySymbol ( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset ); |
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97 | Void xReadUnaryMaxSymbol ( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ); |
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98 | Void xReadEpExGolomb ( UInt& ruiSymbol, UInt uiCount ); |
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99 | #if E253 |
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100 | Void xReadGoRiceExGolomb ( UInt &ruiSymbol, UInt &ruiGoRiceParam ); |
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101 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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102 | Void xReadExGolombLevel ( UInt& ruiSymbol, ContextModel& rcSCModel ); |
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103 | #endif |
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104 | #else |
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105 | Void xReadExGolombLevel ( UInt& ruiSymbol, ContextModel& rcSCModel ); |
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106 | #endif |
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107 | |
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108 | #if MVD_CTX |
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109 | Void xReadMvd ( Int& riMvdComp, UInt uiAbsSumL, UInt uiAbsSumA, UInt uiCtx ); |
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110 | #else |
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111 | Void xReadMvd ( Int& riMvdComp, UInt uiAbsSum, UInt uiCtx ); |
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112 | #endif |
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113 | |
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114 | Void xReadExGolombMvd ( UInt& ruiSymbol, ContextModel* pcSCModel, UInt uiMaxBin ); |
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115 | |
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116 | #if HHI_DMM_WEDGE_INTRA |
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117 | Void xParseWedgeFullInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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118 | Void xParseWedgeFullDeltaInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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119 | |
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120 | Void xParseWedgePredDirInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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121 | Void xParseWedgePredDirDeltaInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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122 | #endif |
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123 | #if HHI_DMM_PRED_TEX |
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124 | Void xParseWedgePredTexDeltaInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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125 | Void xParseContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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126 | #endif |
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127 | |
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128 | private: |
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129 | TComBitstream* m_pcBitstream; |
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130 | TDecBinIf* m_pcTDecBinIf; |
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131 | |
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132 | Bool m_bAlfCtrl; |
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133 | UInt m_uiMaxAlfCtrlDepth; |
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134 | |
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135 | public: |
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136 | Void parseAlfCtrlFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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137 | #if TSB_ALF_HEADER |
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138 | Void parseAlfFlagNum ( UInt& ruiVal, UInt minValue, UInt depth ); |
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139 | Void parseAlfCtrlFlag ( UInt &ruiAlfCtrlFlag ); |
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140 | #endif |
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141 | |
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142 | Void parseSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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143 | Void parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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144 | Void parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ); |
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145 | Void parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ); |
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146 | #if HHI_INTER_VIEW_MOTION_PRED || HHI_MPI || POZNAN_EIVD |
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147 | Void parseMergeIndexMV ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ); |
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148 | #endif |
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149 | Void parseResPredFlag ( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ); |
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150 | Void parsePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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151 | Void parsePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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152 | |
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153 | Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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154 | |
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155 | Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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156 | |
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157 | Void parseInterDir ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ); |
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158 | Void parseRefFrmIdx ( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ); |
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159 | Void parseMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ); |
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160 | |
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161 | Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ); |
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162 | Void parseQtCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ); |
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163 | Void parseQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ); |
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164 | |
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165 | Void parseDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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166 | |
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167 | Void parseCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) {} |
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168 | Void parseBlockCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth, UInt uiQPartNum ) {} |
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169 | |
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170 | #if CAVLC_RQT_CBP |
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171 | Void parseCbfTrdiv ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiTrDepth, UInt uiDepth, UInt& uiSubdiv ) {} |
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172 | #endif |
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173 | |
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174 | #if PCP_SIGMAP_SIMPLE_LAST |
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175 | __inline Void parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, const UInt uiWidth, const TextType eTType, const UInt uiCTXIdx, const UInt uiScanIdx ); |
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176 | #endif |
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177 | Void parseCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ); |
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178 | Void parseViewIdx (Int &riViewIdx ); |
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179 | |
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180 | private: |
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181 | UInt m_uiLastDQpNonZero; |
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182 | UInt m_uiLastQp; |
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183 | |
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184 | ContextModel3DBuffer m_cCUSkipFlagSCModel; |
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185 | ContextModel3DBuffer m_cCUSplitFlagSCModel; |
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186 | ContextModel3DBuffer m_cCUMergeFlagExtSCModel; |
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187 | ContextModel3DBuffer m_cCUMergeIdxExtSCModel; |
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188 | ContextModel3DBuffer m_cCUMVMergeIdxExtSCModel; |
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189 | ContextModel3DBuffer m_cResPredFlagSCModel; |
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190 | ContextModel3DBuffer m_cCUAlfCtrlFlagSCModel; |
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191 | ContextModel3DBuffer m_cCUPartSizeSCModel; |
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192 | ContextModel3DBuffer m_cCUPredModeSCModel; |
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193 | |
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194 | ContextModel3DBuffer m_cCUIntraPredSCModel; |
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195 | #if ADD_PLANAR_MODE |
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196 | ContextModel3DBuffer m_cPlanarFlagSCModel; |
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197 | #endif |
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198 | ContextModel3DBuffer m_cCUChromaPredSCModel; |
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199 | ContextModel3DBuffer m_cCUInterDirSCModel; |
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200 | ContextModel3DBuffer m_cCURefPicSCModel; |
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201 | ContextModel3DBuffer m_cCUMvdSCModel; |
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202 | |
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203 | ContextModel3DBuffer m_cCUTransSubdivFlagSCModel; |
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204 | ContextModel3DBuffer m_cCUQtRootCbfSCModel; |
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205 | ContextModel3DBuffer m_cCUDeltaQpSCModel; |
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206 | |
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207 | ContextModel3DBuffer m_cCUQtCbfSCModel; |
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208 | |
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209 | ContextModel3DBuffer m_cCUSigSCModel; |
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210 | #if PCP_SIGMAP_SIMPLE_LAST |
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211 | ContextModel3DBuffer m_cCuCtxLastX; |
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212 | ContextModel3DBuffer m_cCuCtxLastY; |
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213 | #else |
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214 | ContextModel3DBuffer m_cCULastSCModel; |
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215 | #endif |
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216 | ContextModel3DBuffer m_cCUOneSCModel; |
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217 | ContextModel3DBuffer m_cCUAbsSCModel; |
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218 | |
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219 | ContextModel3DBuffer m_cMVPIdxSCModel; |
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220 | |
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221 | ContextModel3DBuffer m_cALFFlagSCModel; |
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222 | ContextModel3DBuffer m_cALFUvlcSCModel; |
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223 | ContextModel3DBuffer m_cALFSvlcSCModel; |
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224 | #if MTK_SAO |
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225 | ContextModel3DBuffer m_cAOFlagSCModel; |
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226 | ContextModel3DBuffer m_cAOUvlcSCModel; |
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227 | ContextModel3DBuffer m_cAOSvlcSCModel; |
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228 | #endif |
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229 | ContextModel3DBuffer m_cViewIdxSCModel; |
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230 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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231 | ContextModel3DBuffer m_cIntraDMMSCModel; |
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232 | ContextModel3DBuffer m_cIntraWedgeSCModel; |
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233 | #endif |
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234 | }; |
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235 | |
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236 | #endif // !defined(AFX_TDECSBAC_H__CFCAAA19_8110_47F4_9A16_810C4B5499D5__INCLUDED_) |
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