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 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 (const TComSlice *pSlice); |
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77 | SliceType determineCabacInitIdx (const TComSlice *pSlice); |
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78 | Void setBitstream ( TComBitIf* p ) { m_pcBitIf = p; m_pcBinIf->init( p ); } |
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79 | |
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80 | Void load ( const TEncSbac* pSrc ); |
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81 | Void loadIntraDirMode ( const TEncSbac* pScr, const ChannelType chType ); |
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82 | #if H_3D_DIM |
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83 | Void loadIntraDepthMode ( TEncSbac* pScr ); |
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84 | #endif |
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85 | Void store ( TEncSbac* pDest ) const; |
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86 | Void loadContexts ( const TEncSbac* pSrc ); |
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87 | Void resetBits () { m_pcBinIf->resetBits(); m_pcBitIf->resetBits(); } |
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88 | UInt getNumberOfWrittenBits () { return m_pcBinIf->getNumWrittenBits(); } |
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89 | //--SBAC RD |
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90 | |
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91 | Void codeVPS ( const TComVPS* pcVPS ); |
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92 | Void codeSPS ( const TComSPS* pcSPS ); |
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93 | Void codePPS ( const TComPPS* pcPPS ); |
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94 | Void codeSliceHeader ( TComSlice* pcSlice ); |
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95 | Void codeTilesWPPEntryPoint ( TComSlice* pSlice ); |
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96 | Void codeTerminatingBit ( UInt uilsLast ); |
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97 | Void codeSliceFinish (); |
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98 | Void codeSaoMaxUvlc ( UInt code, UInt maxSymbol ); |
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99 | Void codeSaoMerge ( UInt uiCode ); |
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100 | Void codeSaoTypeIdx ( UInt uiCode); |
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101 | Void codeSaoUflc ( UInt uiLength, UInt uiCode ); |
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102 | Void codeSAOSign ( UInt uiCode); //<! code SAO offset sign |
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103 | |
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104 | Void codeSAOOffsetParam(ComponentID compIdx, SAOOffset& ctbParam, Bool sliceEnabled, const Int channelBitDepth); |
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105 | Void codeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths |
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106 | , Bool* sliceEnabled |
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107 | , Bool leftMergeAvail |
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108 | , Bool aboveMergeAvail |
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109 | , Bool onlyEstMergeInfo = false |
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110 | ); |
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111 | |
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112 | private: |
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113 | Void xWriteUnarySymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset ); |
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114 | Void xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ); |
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115 | Void xWriteEpExGolomb ( UInt uiSymbol, UInt uiCount ); |
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116 | Void xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const Int maxLog2TrDynamicRange ); |
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117 | #if H_3D_DIM |
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118 | Void xWriteExGolombLevel ( UInt uiSymbol, ContextModel& rcSCModel ); |
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119 | Void xCodeDimDeltaDC ( Pel valDeltaDC, UInt uiNumSeg ); |
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120 | #if H_3D_DIM_DMM |
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121 | Void xCodeDmm1WedgeIdx ( UInt uiTabIdx, Int iNumBit ); |
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122 | #endif |
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123 | #endif |
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124 | |
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125 | Void xCopyFrom ( const TEncSbac* pSrc ); |
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126 | Void xCopyContextsFrom ( const TEncSbac* pSrc ); |
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127 | |
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128 | protected: |
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129 | TComBitIf* m_pcBitIf; |
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130 | TEncBinIf* m_pcBinIf; |
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131 | |
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132 | //--Adaptive loop filter |
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133 | |
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134 | public: |
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135 | Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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136 | Void codeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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137 | #if H_3D |
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138 | Void codeDIS ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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139 | #endif |
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140 | Void codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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141 | Void codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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142 | #if H_3D_ARP |
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143 | Void codeARPW ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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144 | #endif |
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145 | #if H_3D_IC |
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146 | Void codeICFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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147 | #endif |
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148 | #if H_3D_INTER_SDC |
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149 | Void codeDeltaDC ( TComDataCU* pcCU, UInt absPartIdx ); |
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150 | Void codeSDCFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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151 | #endif |
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152 | #if NH_3D_DBBP |
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153 | Void codeDBBPFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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154 | #endif |
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155 | Void codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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156 | Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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157 | |
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158 | Void codePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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159 | Void codePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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160 | Void codeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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161 | Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx ); |
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162 | Void codeQtCbf ( TComTU & rTu, const ComponentID compID, const Bool lowestLevel ); |
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163 | Void codeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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164 | Void codeQtCbfZero ( TComTU &rTu, const ChannelType chType ); |
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165 | Void codeQtRootCbfZero ( ); |
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166 | Void codeIntraDirLumaAng ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple); |
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167 | |
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168 | Void codeIntraDirChroma ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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169 | |
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170 | #if H_3D_DIM |
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171 | Void codeIntraDepth ( TComDataCU* pcCU, UInt absPartIdx ); |
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172 | Void codeIntraDepthMode ( TComDataCU* pcCU, UInt absPartIdx ); |
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173 | #endif |
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174 | |
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175 | Void codeInterDir ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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176 | Void codeRefFrmIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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177 | Void codeMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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178 | |
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179 | Void codeCrossComponentPrediction( TComTU &rTu, ComponentID compID ); |
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180 | |
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181 | Void codeDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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182 | Void codeChromaQpAdjustment ( TComDataCU* cu, UInt absPartIdx ); |
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183 | |
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184 | Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx ); |
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185 | Void codeCoeffNxN ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID ); |
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186 | Void codeTransformSkipFlags ( TComTU &rTu, ComponentID component ); |
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187 | |
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188 | // ------------------------------------------------------------------------------------------------------------------- |
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189 | // for RD-optimizatioon |
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190 | // ------------------------------------------------------------------------------------------------------------------- |
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191 | |
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192 | Void estBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType); |
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193 | Void estCBFBit ( estBitsSbacStruct* pcEstBitsSbac ); |
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194 | Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType ); |
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195 | Void estSignificantMapBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType ); |
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196 | Void estLastSignificantPositionBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType ); |
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197 | Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType ); |
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198 | |
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199 | Void codeExplicitRdpcmMode ( TComTU &rTu, const ComponentID compID ); |
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200 | |
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201 | |
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202 | TEncBinIf* getEncBinIf() { return m_pcBinIf; } |
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203 | private: |
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204 | ContextModel m_contextModels[MAX_NUM_CTX_MOD]; |
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205 | Int m_numContextModels; |
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206 | ContextModel3DBuffer m_cCUSplitFlagSCModel; |
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207 | ContextModel3DBuffer m_cCUSkipFlagSCModel; |
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208 | #if H_3D |
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209 | ContextModel3DBuffer m_cCUDISFlagSCModel; |
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210 | ContextModel3DBuffer m_cCUDISTypeSCModel; |
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211 | #endif |
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212 | ContextModel3DBuffer m_cCUMergeFlagExtSCModel; |
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213 | ContextModel3DBuffer m_cCUMergeIdxExtSCModel; |
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214 | #if H_3D_ARP |
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215 | ContextModel3DBuffer m_cCUPUARPWSCModel; |
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216 | #endif |
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217 | #if H_3D_IC |
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218 | ContextModel3DBuffer m_cCUICFlagSCModel; |
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219 | #endif |
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220 | ContextModel3DBuffer m_cCUPartSizeSCModel; |
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221 | ContextModel3DBuffer m_cCUPredModeSCModel; |
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222 | ContextModel3DBuffer m_cCUIntraPredSCModel; |
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223 | ContextModel3DBuffer m_cCUChromaPredSCModel; |
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224 | ContextModel3DBuffer m_cCUDeltaQpSCModel; |
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225 | ContextModel3DBuffer m_cCUInterDirSCModel; |
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226 | ContextModel3DBuffer m_cCURefPicSCModel; |
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227 | ContextModel3DBuffer m_cCUMvdSCModel; |
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228 | ContextModel3DBuffer m_cCUQtCbfSCModel; |
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229 | ContextModel3DBuffer m_cCUTransSubdivFlagSCModel; |
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230 | ContextModel3DBuffer m_cCUQtRootCbfSCModel; |
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231 | |
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232 | ContextModel3DBuffer m_cCUSigCoeffGroupSCModel; |
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233 | ContextModel3DBuffer m_cCUSigSCModel; |
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234 | ContextModel3DBuffer m_cCuCtxLastX; |
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235 | ContextModel3DBuffer m_cCuCtxLastY; |
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236 | ContextModel3DBuffer m_cCUOneSCModel; |
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237 | ContextModel3DBuffer m_cCUAbsSCModel; |
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238 | |
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239 | ContextModel3DBuffer m_cMVPIdxSCModel; |
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240 | |
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241 | ContextModel3DBuffer m_cSaoMergeSCModel; |
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242 | ContextModel3DBuffer m_cSaoTypeIdxSCModel; |
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243 | ContextModel3DBuffer m_cTransformSkipSCModel; |
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244 | ContextModel3DBuffer m_CUTransquantBypassFlagSCModel; |
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245 | ContextModel3DBuffer m_explicitRdpcmFlagSCModel; |
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246 | ContextModel3DBuffer m_explicitRdpcmDirSCModel; |
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247 | ContextModel3DBuffer m_cCrossComponentPredictionSCModel; |
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248 | |
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249 | ContextModel3DBuffer m_ChromaQpAdjFlagSCModel; |
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250 | ContextModel3DBuffer m_ChromaQpAdjIdcSCModel; |
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251 | #if H_3D_DIM |
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252 | ContextModel3DBuffer m_cDepthIntraModeSCModel; |
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253 | ContextModel3DBuffer m_cDdcFlagSCModel; |
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254 | ContextModel3DBuffer m_cDdcDataSCModel; |
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255 | ContextModel3DBuffer m_cAngleFlagSCModel; |
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256 | #if H_3D_DIM_SDC |
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257 | ContextModel3DBuffer m_cSDCResidualFlagSCModel; |
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258 | ContextModel3DBuffer m_cSDCResidualSCModel; |
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259 | #endif |
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260 | #endif |
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261 | #if H_3D_DIM_SDC |
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262 | ContextModel3DBuffer m_cSDCFlagSCModel; |
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263 | #endif |
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264 | #if NH_3D_DBBP |
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265 | ContextModel3DBuffer m_cDBBPFlagSCModel; |
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266 | #endif |
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267 | |
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268 | UInt m_golombRiceAdaptationStatistics[RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS]; |
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269 | }; |
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270 | |
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271 | //! \} |
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272 | |
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273 | #endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_) |
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