[324] | 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) 2010-2013, 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 TEncEntropy.h |
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| 35 | \brief entropy encoder class (header) |
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| 36 | */ |
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| 37 | |
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| 38 | #ifndef __TENCENTROPY__ |
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| 39 | #define __TENCENTROPY__ |
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| 40 | |
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| 41 | #include "TLibCommon/TComSlice.h" |
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| 42 | #include "TLibCommon/TComDataCU.h" |
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| 43 | #include "TLibCommon/TComBitStream.h" |
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| 44 | #include "TLibCommon/ContextModel.h" |
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| 45 | #include "TLibCommon/TComPic.h" |
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| 46 | #include "TLibCommon/TComTrQuant.h" |
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| 47 | #include "TLibCommon/TComSampleAdaptiveOffset.h" |
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| 48 | |
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| 49 | class TEncSbac; |
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| 50 | class TEncCavlc; |
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| 51 | class SEI; |
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| 52 | |
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| 53 | // ==================================================================================================================== |
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| 54 | // Class definition |
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| 55 | // ==================================================================================================================== |
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| 56 | |
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| 57 | /// entropy encoder pure class |
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| 58 | class TEncEntropyIf |
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| 59 | { |
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| 60 | public: |
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| 61 | virtual Void resetEntropy () = 0; |
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| 62 | virtual Void determineCabacInitIdx () = 0; |
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| 63 | virtual Void setBitstream ( TComBitIf* p ) = 0; |
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| 64 | virtual Void setSlice ( TComSlice* p ) = 0; |
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| 65 | virtual Void resetBits () = 0; |
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| 66 | virtual Void resetCoeffCost () = 0; |
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| 67 | virtual UInt getNumberOfWrittenBits() = 0; |
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| 68 | virtual UInt getCoeffCost () = 0; |
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| 69 | |
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| 70 | virtual Void codeVPS ( TComVPS* pcVPS ) = 0; |
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[446] | 71 | #if !H_3D |
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[324] | 72 | virtual Void codeSPS ( TComSPS* pcSPS ) = 0; |
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[446] | 73 | #else |
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| 74 | virtual Void codeSPS ( TComSPS* pcSPS, Int viewIndex, Bool depthFlag ) = 0; |
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| 75 | #endif |
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[324] | 76 | virtual Void codePPS ( TComPPS* pcPPS ) = 0; |
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| 77 | virtual Void codeSliceHeader ( TComSlice* pcSlice ) = 0; |
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| 78 | |
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| 79 | virtual Void codeTilesWPPEntryPoint ( TComSlice* pSlice ) = 0; |
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| 80 | virtual Void codeTerminatingBit ( UInt uilsLast ) = 0; |
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| 81 | virtual Void codeSliceFinish () = 0; |
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| 82 | virtual Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0; |
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| 83 | virtual Void codeScalingList ( TComScalingList* scalingList ) = 0; |
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| 84 | |
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| 85 | public: |
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| 86 | virtual Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 87 | virtual Void codeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 88 | virtual Void codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 89 | virtual Void codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 90 | virtual Void codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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| 91 | |
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| 92 | virtual Void codePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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| 93 | virtual Void codePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 94 | |
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| 95 | virtual Void codeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 96 | |
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| 97 | virtual Void codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) = 0; |
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| 98 | virtual Void codeQtCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ) = 0; |
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| 99 | virtual Void codeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 100 | virtual Void codeQtCbfZero ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth ) = 0; |
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| 101 | virtual Void codeQtRootCbfZero ( TComDataCU* pcCU ) = 0; |
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| 102 | virtual Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiplePU ) = 0; |
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| 103 | |
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| 104 | virtual Void codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 105 | virtual Void codeInterDir ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 106 | virtual Void codeRefFrmIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0; |
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| 107 | virtual Void codeMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0; |
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| 108 | virtual Void codeDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 109 | virtual Void codeCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) = 0; |
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| 110 | virtual Void codeTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType ) = 0; |
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| 111 | virtual Void codeSAOSign ( UInt code ) = 0; |
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| 112 | virtual Void codeSaoMaxUvlc ( UInt code, UInt maxSymbol ) = 0; |
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| 113 | virtual Void codeSaoMerge ( UInt uiCode ) = 0; |
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| 114 | virtual Void codeSaoTypeIdx ( UInt uiCode) = 0; |
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| 115 | virtual Void codeSaoUflc ( UInt uiLength, UInt uiCode ) = 0; |
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| 116 | virtual Void estBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType) = 0; |
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| 117 | |
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| 118 | virtual Void updateContextTables ( SliceType eSliceType, Int iQp, Bool bExecuteFinish ) = 0; |
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| 119 | virtual Void updateContextTables ( SliceType eSliceType, Int iQp ) = 0; |
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| 120 | |
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| 121 | virtual Void codeDFFlag (UInt uiCode, const Char *pSymbolName) = 0; |
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| 122 | virtual Void codeDFSvlc (Int iCode, const Char *pSymbolName) = 0; |
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| 123 | |
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| 124 | virtual ~TEncEntropyIf() {} |
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| 125 | |
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| 126 | }; |
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| 127 | |
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| 128 | /// entropy encoder class |
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| 129 | class TEncEntropy |
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| 130 | { |
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| 131 | private: |
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| 132 | UInt m_uiBakAbsPartIdx; |
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| 133 | UInt m_uiBakChromaOffset; |
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| 134 | UInt m_bakAbsPartIdxCU; |
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| 135 | |
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| 136 | public: |
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| 137 | Void setEntropyCoder ( TEncEntropyIf* e, TComSlice* pcSlice ); |
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| 138 | Void setBitstream ( TComBitIf* p ) { m_pcEntropyCoderIf->setBitstream(p); } |
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| 139 | Void resetBits () { m_pcEntropyCoderIf->resetBits(); } |
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| 140 | Void resetCoeffCost () { m_pcEntropyCoderIf->resetCoeffCost(); } |
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| 141 | UInt getNumberOfWrittenBits () { return m_pcEntropyCoderIf->getNumberOfWrittenBits(); } |
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| 142 | UInt getCoeffCost () { return m_pcEntropyCoderIf->getCoeffCost(); } |
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| 143 | Void resetEntropy () { m_pcEntropyCoderIf->resetEntropy(); } |
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| 144 | Void determineCabacInitIdx () { m_pcEntropyCoderIf->determineCabacInitIdx(); } |
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| 145 | |
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| 146 | Void encodeSliceHeader ( TComSlice* pcSlice ); |
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| 147 | Void encodeTilesWPPEntryPoint( TComSlice* pSlice ); |
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| 148 | Void encodeTerminatingBit ( UInt uiIsLast ); |
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| 149 | Void encodeSliceFinish (); |
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| 150 | TEncEntropyIf* m_pcEntropyCoderIf; |
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| 151 | |
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| 152 | public: |
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| 153 | Void encodeVPS ( TComVPS* pcVPS); |
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| 154 | // SPS |
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[446] | 155 | #if H_3D |
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| 156 | Void encodeSPS ( TComSPS* pcSPS, Int viewIndex, Bool depthFlag ); |
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| 157 | #else |
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[324] | 158 | Void encodeSPS ( TComSPS* pcSPS ); |
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[446] | 159 | #endif |
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[324] | 160 | Void encodePPS ( TComPPS* pcPPS ); |
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| 161 | Void encodeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false ); |
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| 162 | Void encodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 163 | Void encodeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 164 | Void encodePUWise ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 165 | Void encodeInterDirPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx ); |
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| 166 | Void encodeRefFrmIdxPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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| 167 | Void encodeMvdPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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| 168 | Void encodeMVPIdxPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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| 169 | Void encodeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 170 | Void encodeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 171 | Void encodePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 172 | Void encodePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false ); |
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| 173 | Void encodeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 174 | Void encodePredInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 175 | Void encodeIntraDirModeLuma ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiplePU = false ); |
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| 176 | |
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| 177 | Void encodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 178 | |
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| 179 | Void encodeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ); |
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| 180 | Void encodeQtCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ); |
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| 181 | Void encodeQtCbfZero ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth ); |
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| 182 | Void encodeQtRootCbfZero ( TComDataCU* pcCU ); |
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| 183 | Void encodeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 184 | Void encodeQP ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 185 | Void updateContextTables ( SliceType eSliceType, Int iQp, Bool bExecuteFinish ) { m_pcEntropyCoderIf->updateContextTables( eSliceType, iQp, bExecuteFinish ); } |
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| 186 | Void updateContextTables ( SliceType eSliceType, Int iQp ) { m_pcEntropyCoderIf->updateContextTables( eSliceType, iQp, true ); } |
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| 187 | |
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| 188 | Void encodeScalingList ( TComScalingList* scalingList ); |
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| 189 | |
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| 190 | private: |
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| 191 | Void xEncodeTransform ( TComDataCU* pcCU,UInt offsetLumaOffset, UInt offsetChroma, UInt uiAbsPartIdx, UInt uiDepth, UInt width, UInt height, UInt uiTrIdx, Bool& bCodeDQP ); |
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| 192 | public: |
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| 193 | Void encodeCoeff ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP ); |
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| 194 | |
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| 195 | Void encodeCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoeff, UInt uiAbsPartIdx, UInt uiTrWidth, UInt uiTrHeight, UInt uiDepth, TextType eType ); |
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| 196 | |
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| 197 | Void estimateBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType); |
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| 198 | Void encodeSaoOffset(SaoLcuParam* saoLcuParam, UInt compIdx); |
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| 199 | Void encodeSaoUnitInterleaving(Int compIdx, Bool saoFlag, Int rx, Int ry, SaoLcuParam* saoLcuParam, Int cuAddrInSlice, Int cuAddrUpInSlice, Int allowMergeLeft, Int allowMergeUp); |
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| 200 | static Int countNonZeroCoeffs( TCoeff* pcCoef, UInt uiSize ); |
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| 201 | |
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| 202 | };// END CLASS DEFINITION TEncEntropy |
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| 203 | |
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| 204 | //! \} |
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| 205 | |
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| 206 | #endif // __TENCENTROPY__ |
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| 207 | |
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