1 | /* The copyright in this software is being made available under the BSD |
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2 | * License, included below. This software may be subject to other third party |
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3 | * and contributor rights, including patent rights, and no such rights are |
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4 | * granted under this license. |
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5 | * |
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6 | * Copyright (c) 2010-2014, ITU/ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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18 | * be used to endorse or promote products derived from this software without |
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19 | * specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | /** \file TEncSbac.h |
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35 | \brief Context-adaptive entropy encoder class (header) |
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36 | */ |
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37 | |
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38 | #ifndef __TENCSBAC__ |
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39 | #define __TENCSBAC__ |
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40 | |
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41 | #if _MSC_VER > 1000 |
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42 | #pragma once |
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43 | #endif // _MSC_VER > 1000 |
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44 | |
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45 | #include "TLibCommon/TComBitStream.h" |
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46 | #include "TLibCommon/ContextTables.h" |
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47 | #include "TLibCommon/ContextModel.h" |
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48 | #include "TLibCommon/ContextModel3DBuffer.h" |
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49 | #include "TEncEntropy.h" |
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50 | #include "TEncBinCoder.h" |
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51 | #include "TEncBinCoderCABAC.h" |
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52 | #if FAST_BIT_EST |
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53 | #include "TEncBinCoderCABACCounter.h" |
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54 | #endif |
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55 | |
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56 | class TEncTop; |
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57 | |
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58 | //! \ingroup TLibEncoder |
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59 | //! \{ |
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60 | |
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61 | // ==================================================================================================================== |
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62 | // Class definition |
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63 | // ==================================================================================================================== |
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64 | |
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65 | /// SBAC encoder class |
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66 | class TEncSbac : public TEncEntropyIf |
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67 | { |
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68 | public: |
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69 | TEncSbac(); |
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70 | virtual ~TEncSbac(); |
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71 | |
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72 | Void init ( TEncBinIf* p ) { m_pcBinIf = p; } |
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73 | Void uninit () { m_pcBinIf = 0; } |
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74 | |
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75 | // Virtual list |
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76 | Void resetEntropy (); |
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77 | Void determineCabacInitIdx (); |
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78 | Void setBitstream ( TComBitIf* p ) { m_pcBitIf = p; m_pcBinIf->init( p ); } |
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79 | Void setSlice ( TComSlice* p ) { m_pcSlice = p; } |
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80 | // SBAC RD |
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81 | Void resetCoeffCost () { m_uiCoeffCost = 0; } |
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82 | UInt getCoeffCost () { return m_uiCoeffCost; } |
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83 | |
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84 | Void load ( TEncSbac* pScr ); |
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85 | Void loadIntraDirModeLuma ( TEncSbac* pScr ); |
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86 | Void store ( TEncSbac* pDest ); |
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87 | Void loadContexts ( TEncSbac* pScr ); |
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88 | Void resetBits () { m_pcBinIf->resetBits(); m_pcBitIf->resetBits(); } |
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89 | UInt getNumberOfWrittenBits () { return m_pcBinIf->getNumWrittenBits(); } |
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90 | //--SBAC RD |
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91 | |
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92 | Void codeVPS ( TComVPS* pcVPS ); |
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93 | Void codeSPS ( TComSPS* pcSPS ); |
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94 | Void codePPS ( TComPPS* pcPPS ); |
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95 | Void codeSliceHeader ( TComSlice* pcSlice ); |
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96 | Void codeTilesWPPEntryPoint( TComSlice* pSlice ); |
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97 | Void codeTerminatingBit ( UInt uilsLast ); |
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98 | Void codeSliceFinish (); |
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99 | Void codeSaoMaxUvlc ( UInt code, UInt maxSymbol ); |
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100 | Void codeSaoMerge ( UInt uiCode ); |
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101 | Void codeSaoTypeIdx ( UInt uiCode); |
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102 | Void codeSaoUflc ( UInt uiLength, UInt uiCode ); |
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103 | Void codeSAOSign ( UInt uiCode); //<! code SAO offset sign |
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104 | Void codeScalingList ( TComScalingList* /*scalingList*/ ){ assert (0); return;}; |
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105 | |
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106 | Void codeSAOOffsetParam(Int compIdx, SAOOffset& ctbParam, Bool sliceEnabled); |
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107 | Void codeSAOBlkParam(SAOBlkParam& saoBlkParam |
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108 | , Bool* sliceEnabled |
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109 | , Bool leftMergeAvail |
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110 | , Bool aboveMergeAvail |
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111 | , Bool onlyEstMergeInfo = false |
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112 | ); |
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113 | |
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114 | private: |
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115 | Void xWriteUnarySymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset ); |
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116 | Void xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ); |
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117 | Void xWriteEpExGolomb ( UInt uiSymbol, UInt uiCount ); |
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118 | Void xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam ); |
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119 | |
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120 | Void xCopyFrom ( TEncSbac* pSrc ); |
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121 | Void xCopyContextsFrom ( TEncSbac* pSrc ); |
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122 | |
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123 | Void codeDFFlag( UInt /*uiCode*/, const Char* /*pSymbolName*/ ) {printf("Not supported in codeDFFlag()\n"); assert(0); exit(1);}; |
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124 | Void codeDFSvlc( Int /*iCode*/, const Char* /*pSymbolName*/ ) {printf("Not supported in codeDFSvlc()\n"); assert(0); exit(1);}; |
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125 | |
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126 | protected: |
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127 | TComBitIf* m_pcBitIf; |
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128 | TComSlice* m_pcSlice; |
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129 | TEncBinIf* m_pcBinIf; |
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130 | //SBAC RD |
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131 | UInt m_uiCoeffCost; |
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132 | |
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133 | //--Adaptive loop filter |
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134 | |
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135 | public: |
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136 | Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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137 | Void codeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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138 | Void codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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139 | Void codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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140 | Void codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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141 | Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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142 | |
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143 | Void codePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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144 | Void codePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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145 | Void codeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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146 | Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx ); |
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147 | Void codeQtCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ); |
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148 | Void codeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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149 | Void codeQtCbfZero ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth ); |
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150 | Void codeQtRootCbfZero ( TComDataCU* pcCU ); |
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151 | Void codeIntraDirLumaAng ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple); |
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152 | |
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153 | Void codeIntraDirChroma ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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154 | |
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155 | |
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156 | Void codeInterDir ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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157 | Void codeRefFrmIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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158 | Void codeMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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159 | |
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160 | Void codeDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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161 | |
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162 | Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx ); |
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163 | Void codeCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ); |
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164 | void codeTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType ); |
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165 | |
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166 | // ------------------------------------------------------------------------------------------------------------------- |
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167 | // for RD-optimizatioon |
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168 | // ------------------------------------------------------------------------------------------------------------------- |
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169 | |
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170 | Void estBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType); |
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171 | Void estCBFBit ( estBitsSbacStruct* pcEstBitsSbac ); |
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172 | Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType ); |
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173 | Void estSignificantMapBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType ); |
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174 | Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, TextType eTType ); |
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175 | |
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176 | Void updateContextTables ( SliceType eSliceType, Int iQp, Bool bExecuteFinish=true ); |
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177 | Void updateContextTables ( SliceType eSliceType, Int iQp ) { this->updateContextTables( eSliceType, iQp, true); }; |
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178 | |
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179 | TEncBinIf* getEncBinIf() { return m_pcBinIf; } |
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180 | private: |
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181 | UInt m_uiLastQp; |
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182 | |
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183 | ContextModel m_contextModels[MAX_NUM_CTX_MOD]; |
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184 | Int m_numContextModels; |
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185 | ContextModel3DBuffer m_cCUSplitFlagSCModel; |
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186 | ContextModel3DBuffer m_cCUSkipFlagSCModel; |
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187 | ContextModel3DBuffer m_cCUMergeFlagExtSCModel; |
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188 | ContextModel3DBuffer m_cCUMergeIdxExtSCModel; |
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189 | ContextModel3DBuffer m_cCUPartSizeSCModel; |
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190 | ContextModel3DBuffer m_cCUPredModeSCModel; |
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191 | ContextModel3DBuffer m_cCUIntraPredSCModel; |
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192 | ContextModel3DBuffer m_cCUChromaPredSCModel; |
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193 | ContextModel3DBuffer m_cCUDeltaQpSCModel; |
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194 | ContextModel3DBuffer m_cCUInterDirSCModel; |
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195 | ContextModel3DBuffer m_cCURefPicSCModel; |
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196 | ContextModel3DBuffer m_cCUMvdSCModel; |
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197 | ContextModel3DBuffer m_cCUQtCbfSCModel; |
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198 | ContextModel3DBuffer m_cCUTransSubdivFlagSCModel; |
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199 | ContextModel3DBuffer m_cCUQtRootCbfSCModel; |
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200 | |
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201 | ContextModel3DBuffer m_cCUSigCoeffGroupSCModel; |
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202 | ContextModel3DBuffer m_cCUSigSCModel; |
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203 | ContextModel3DBuffer m_cCuCtxLastX; |
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204 | ContextModel3DBuffer m_cCuCtxLastY; |
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205 | ContextModel3DBuffer m_cCUOneSCModel; |
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206 | ContextModel3DBuffer m_cCUAbsSCModel; |
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207 | |
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208 | ContextModel3DBuffer m_cMVPIdxSCModel; |
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209 | |
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210 | ContextModel3DBuffer m_cSaoMergeSCModel; |
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211 | ContextModel3DBuffer m_cSaoTypeIdxSCModel; |
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212 | ContextModel3DBuffer m_cTransformSkipSCModel; |
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213 | ContextModel3DBuffer m_CUTransquantBypassFlagSCModel; |
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214 | |
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215 | }; |
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216 | |
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217 | //! \} |
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218 | |
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219 | #endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_) |
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