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) 2010-2015, ITU/ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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18 | * be used to endorse or promote products derived from this software without |
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19 | * specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | /** \file TDecEntropy.h |
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35 | \brief entropy decoder class (header) |
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36 | */ |
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37 | |
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38 | #ifndef __TDECENTROPY__ |
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39 | #define __TDECENTROPY__ |
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40 | |
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41 | #include "TLibCommon/CommonDef.h" |
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42 | #include "TLibCommon/TComBitStream.h" |
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43 | #include "TLibCommon/TComSlice.h" |
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44 | #include "TLibCommon/TComPic.h" |
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45 | #include "TLibCommon/TComSampleAdaptiveOffset.h" |
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46 | #include "TLibCommon/TComRectangle.h" |
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47 | |
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48 | class TDecSbac; |
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49 | class TDecCavlc; |
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50 | class ParameterSetManagerDecoder; |
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51 | class TComPrediction; |
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52 | |
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53 | //! \ingroup TLibDecoder |
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54 | //! \{ |
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55 | |
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56 | // ==================================================================================================================== |
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57 | // Class definition |
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58 | // ==================================================================================================================== |
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59 | |
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60 | /// entropy decoder pure class |
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61 | class TDecEntropyIf |
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62 | { |
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63 | public: |
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64 | // Virtual list for SBAC/CAVLC |
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65 | virtual Void resetEntropy ( TComSlice* pcSlice ) = 0; |
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66 | virtual Void setBitstream ( TComInputBitstream* p ) = 0; |
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67 | |
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68 | virtual Void parseVPS ( TComVPS* pcVPS ) = 0; |
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69 | virtual Void parseSPS ( TComSPS* pcSPS ) = 0; |
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70 | virtual Void parsePPS ( TComPPS* pcPPS ) = 0; |
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71 | virtual Void parseSliceHeader ( TComSlice* pcSlice, ParameterSetManager *parameterSetManager, const Int prevTid0POC) = 0; |
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72 | |
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73 | virtual Void parseTerminatingBit ( UInt& ruilsLast ) = 0; |
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74 | virtual Void parseRemainingBytes( Bool noTrailingBytesExpected ) = 0; |
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75 | |
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76 | virtual Void parseMVPIdx ( Int& riMVPIdx ) = 0; |
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77 | |
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78 | public: |
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79 | virtual Void parseSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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80 | #if H_3D |
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81 | virtual Void parseDIS ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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82 | #endif |
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83 | virtual Void parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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84 | virtual Void parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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85 | virtual Void parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) = 0; |
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86 | virtual Void parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex ) = 0; |
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87 | #if H_3D_ARP |
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88 | virtual Void parseARPW ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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89 | #endif |
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90 | #if H_3D_IC |
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91 | virtual Void parseICFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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92 | #endif |
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93 | #if H_3D_INTER_SDC |
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94 | virtual Void parseDeltaDC ( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) = 0; |
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95 | virtual Void parseSDCFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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96 | #endif |
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97 | #if NH_3D_DBBP |
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98 | virtual Void parseDBBPFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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99 | #endif |
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100 | virtual Void parsePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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101 | virtual Void parsePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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102 | |
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103 | virtual Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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104 | virtual Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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105 | |
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106 | virtual Void parseInterDir ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx ) = 0; |
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107 | virtual Void parseRefFrmIdx ( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList ) = 0; |
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108 | virtual Void parseMvd ( TComDataCU* pcCU, UInt uiAbsPartAddr, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) = 0; |
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109 | |
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110 | virtual Void parseCrossComponentPrediction ( class TComTU &rTu, ComponentID compID ) = 0; |
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111 | |
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112 | virtual Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) = 0; |
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113 | virtual Void parseQtCbf ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) = 0; |
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114 | virtual Void parseQtRootCbf ( UInt uiAbsPartIdx, UInt& uiQtRootCbf ) = 0; |
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115 | |
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116 | virtual Void parseDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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117 | virtual Void parseChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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118 | |
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119 | virtual Void parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth) = 0; |
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120 | |
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121 | virtual Void parseCoeffNxN( class TComTU &rTu, ComponentID compID ) = 0; |
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122 | |
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123 | virtual Void parseTransformSkipFlags ( class TComTU &rTu, ComponentID component ) = 0; |
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124 | |
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125 | virtual Void parseExplicitRdpcmMode ( TComTU &rTu, ComponentID compID ) = 0; |
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126 | |
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127 | virtual ~TDecEntropyIf() {} |
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128 | }; |
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129 | |
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130 | /// entropy decoder class |
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131 | class TDecEntropy |
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132 | { |
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133 | private: |
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134 | TDecEntropyIf* m_pcEntropyDecoderIf; |
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135 | TComPrediction* m_pcPrediction; |
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136 | //UInt m_uiBakAbsPartIdx; |
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137 | //UInt m_uiBakChromaOffset; |
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138 | //UInt m_bakAbsPartIdxCU; |
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139 | |
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140 | public: |
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141 | Void init (TComPrediction* p) {m_pcPrediction = p;} |
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142 | Void decodePUWise ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU ); |
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143 | Void decodeInterDirPU ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx ); |
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144 | Void decodeRefFrmIdxPU ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList ); |
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145 | Void decodeMvdPU ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList ); |
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146 | Void decodeMVPIdxPU ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList ); |
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147 | #if H_3D |
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148 | Void decodeMvsAMVP ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, |
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149 | RefPicList eRefList ); |
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150 | #endif |
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151 | Void setEntropyDecoder ( TDecEntropyIf* p ); |
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152 | Void setBitstream ( TComInputBitstream* p ) { m_pcEntropyDecoderIf->setBitstream(p); } |
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153 | Void resetEntropy ( TComSlice* p) { m_pcEntropyDecoderIf->resetEntropy(p); } |
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154 | |
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155 | Void decodeVPS ( TComVPS* pcVPS ) { m_pcEntropyDecoderIf->parseVPS(pcVPS); } |
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156 | Void decodeSPS ( TComSPS* pcSPS ) { m_pcEntropyDecoderIf->parseSPS(pcSPS); } |
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157 | Void decodePPS ( TComPPS* pcPPS ) { m_pcEntropyDecoderIf->parsePPS(pcPPS); } |
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158 | Void decodeSliceHeader ( TComSlice* pcSlice, ParameterSetManager *parameterSetManager, const Int prevTid0POC) { m_pcEntropyDecoderIf->parseSliceHeader(pcSlice, parameterSetManager, prevTid0POC); } |
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159 | Void decodeTerminatingBit ( UInt& ruiIsLast ) { m_pcEntropyDecoderIf->parseTerminatingBit(ruiIsLast); } |
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160 | Void decodeRemainingBytes( Bool noTrailingBytesExpected ) { m_pcEntropyDecoderIf->parseRemainingBytes(noTrailingBytesExpected); } |
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161 | |
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162 | TDecEntropyIf* getEntropyDecoder() { return m_pcEntropyDecoderIf; } |
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163 | |
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164 | public: |
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165 | Void decodeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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166 | Void decodeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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167 | #if H_3D |
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168 | Void decodeDIS ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) ; |
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169 | #endif |
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170 | Void decodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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171 | Void decodeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ); |
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172 | Void decodeMergeIndex ( TComDataCU* pcSubCU, UInt uiPartIdx, UInt uiPartAddr, UInt uiDepth ); |
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173 | Void decodePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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174 | Void decodePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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175 | |
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176 | #if H_3D_ARP |
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177 | Void decodeARPW ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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178 | #endif |
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179 | #if H_3D_IC |
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180 | Void decodeICFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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181 | #endif |
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182 | #if H_3D_INTER_SDC |
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183 | Void decodeSDCFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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184 | #endif |
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185 | #if NH_3D_DBBP |
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186 | Void decodeDBBPFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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187 | #endif |
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188 | Void decodeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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189 | |
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190 | Void decodePredInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU ); |
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191 | |
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192 | Void decodeIntraDirModeLuma ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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193 | Void decodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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194 | |
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195 | Void decodeQP ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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196 | Void decodeChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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197 | |
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198 | private: |
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199 | |
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200 | Void xDecodeTransform ( Bool& bCodeDQP, Bool& isChromaQpAdjCoded, TComTU &rTu, const Int quadtreeTULog2MinSizeInCU ); |
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201 | |
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202 | public: |
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203 | |
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204 | Void decodeCoeff ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool& bCodeDQP, Bool& isChromaQpAdjCoded ); |
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205 | |
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206 | };// END CLASS DEFINITION TDecEntropy |
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207 | |
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208 | //! \} |
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209 | |
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210 | #endif // __TDECENTROPY__ |
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211 | |
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