[313] | 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 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 | private: |
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| 107 | Void xWriteUnarySymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset ); |
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| 108 | Void xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ); |
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| 109 | Void xWriteEpExGolomb ( UInt uiSymbol, UInt uiCount ); |
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| 110 | Void xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam ); |
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| 111 | |
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| 112 | Void xCopyFrom ( TEncSbac* pSrc ); |
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| 113 | Void xCopyContextsFrom ( TEncSbac* pSrc ); |
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| 114 | |
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| 115 | Void codeDFFlag( UInt /*uiCode*/, const Char* /*pSymbolName*/ ) {printf("Not supported in codeDFFlag()\n"); assert(0); exit(1);}; |
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| 116 | Void codeDFSvlc( Int /*iCode*/, const Char* /*pSymbolName*/ ) {printf("Not supported in codeDFSvlc()\n"); assert(0); exit(1);}; |
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| 117 | |
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| 118 | protected: |
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| 119 | TComBitIf* m_pcBitIf; |
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| 120 | TComSlice* m_pcSlice; |
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| 121 | TEncBinIf* m_pcBinIf; |
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| 122 | //SBAC RD |
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| 123 | UInt m_uiCoeffCost; |
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| 124 | |
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| 125 | //--Adaptive loop filter |
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| 126 | |
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| 127 | public: |
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| 128 | Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 129 | Void codeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 130 | Void codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 131 | Void codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 132 | Void codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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| 133 | Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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[345] | 134 | |
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[313] | 135 | Void codePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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| 136 | Void codePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 137 | Void codeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 138 | Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx ); |
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| 139 | Void codeQtCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ); |
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| 140 | Void codeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 141 | Void codeQtCbfZero ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth ); |
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| 142 | Void codeQtRootCbfZero ( TComDataCU* pcCU ); |
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| 143 | Void codeIntraDirLumaAng ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple); |
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| 144 | |
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| 145 | Void codeIntraDirChroma ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 146 | Void codeInterDir ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 147 | Void codeRefFrmIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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| 148 | Void codeMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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| 149 | |
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| 150 | Void codeDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 151 | |
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| 152 | Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx ); |
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| 153 | Void codeCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ); |
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| 154 | void codeTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType ); |
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| 155 | |
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| 156 | // ------------------------------------------------------------------------------------------------------------------- |
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| 157 | // for RD-optimizatioon |
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| 158 | // ------------------------------------------------------------------------------------------------------------------- |
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| 159 | |
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| 160 | Void estBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType); |
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| 161 | Void estCBFBit ( estBitsSbacStruct* pcEstBitsSbac ); |
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| 162 | Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType ); |
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| 163 | Void estSignificantMapBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType ); |
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| 164 | Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, TextType eTType ); |
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| 165 | |
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| 166 | Void updateContextTables ( SliceType eSliceType, Int iQp, Bool bExecuteFinish=true ); |
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| 167 | Void updateContextTables ( SliceType eSliceType, Int iQp ) { this->updateContextTables( eSliceType, iQp, true); }; |
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| 168 | |
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| 169 | TEncBinIf* getEncBinIf() { return m_pcBinIf; } |
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| 170 | private: |
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| 171 | UInt m_uiLastQp; |
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| 172 | |
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| 173 | ContextModel m_contextModels[MAX_NUM_CTX_MOD]; |
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| 174 | Int m_numContextModels; |
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| 175 | ContextModel3DBuffer m_cCUSplitFlagSCModel; |
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| 176 | ContextModel3DBuffer m_cCUSkipFlagSCModel; |
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| 177 | ContextModel3DBuffer m_cCUMergeFlagExtSCModel; |
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| 178 | ContextModel3DBuffer m_cCUMergeIdxExtSCModel; |
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| 179 | ContextModel3DBuffer m_cCUPartSizeSCModel; |
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| 180 | ContextModel3DBuffer m_cCUPredModeSCModel; |
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| 181 | ContextModel3DBuffer m_cCUIntraPredSCModel; |
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| 182 | ContextModel3DBuffer m_cCUChromaPredSCModel; |
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| 183 | ContextModel3DBuffer m_cCUDeltaQpSCModel; |
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| 184 | ContextModel3DBuffer m_cCUInterDirSCModel; |
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| 185 | ContextModel3DBuffer m_cCURefPicSCModel; |
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| 186 | ContextModel3DBuffer m_cCUMvdSCModel; |
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| 187 | ContextModel3DBuffer m_cCUQtCbfSCModel; |
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| 188 | ContextModel3DBuffer m_cCUTransSubdivFlagSCModel; |
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| 189 | ContextModel3DBuffer m_cCUQtRootCbfSCModel; |
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| 190 | |
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| 191 | ContextModel3DBuffer m_cCUSigCoeffGroupSCModel; |
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| 192 | ContextModel3DBuffer m_cCUSigSCModel; |
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| 193 | ContextModel3DBuffer m_cCuCtxLastX; |
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| 194 | ContextModel3DBuffer m_cCuCtxLastY; |
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| 195 | ContextModel3DBuffer m_cCUOneSCModel; |
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| 196 | ContextModel3DBuffer m_cCUAbsSCModel; |
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| 197 | |
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| 198 | ContextModel3DBuffer m_cMVPIdxSCModel; |
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| 199 | |
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| 200 | ContextModel3DBuffer m_cCUAMPSCModel; |
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| 201 | ContextModel3DBuffer m_cSaoMergeSCModel; |
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| 202 | ContextModel3DBuffer m_cSaoTypeIdxSCModel; |
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| 203 | ContextModel3DBuffer m_cTransformSkipSCModel; |
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| 204 | ContextModel3DBuffer m_CUTransquantBypassFlagSCModel; |
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| 205 | }; |
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| 206 | |
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| 207 | //! \} |
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| 208 | |
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| 209 | #endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_) |
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