/* The copyright in this software is being made available under the BSD * License, included below. This software may be subject to other third party * and contributor rights, including patent rights, and no such rights are * granted under this license. * * Copyright (c) 2010-2013, ITU/ISO/IEC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ /** \file TEncEntropy.h \brief entropy encoder class (header) */ #ifndef __TENCENTROPY__ #define __TENCENTROPY__ #include "TLibCommon/TComSlice.h" #include "TLibCommon/TComDataCU.h" #include "TLibCommon/TComBitStream.h" #include "TLibCommon/ContextModel.h" #include "TLibCommon/TComPic.h" #include "TLibCommon/TComTrQuant.h" #include "TLibCommon/TComSampleAdaptiveOffset.h" class TEncSbac; class TEncCavlc; class SEI; // ==================================================================================================================== // Class definition // ==================================================================================================================== /// entropy encoder pure class class TEncEntropyIf { public: virtual Void resetEntropy () = 0; virtual Void determineCabacInitIdx () = 0; virtual Void setBitstream ( TComBitIf* p ) = 0; virtual Void setSlice ( TComSlice* p ) = 0; virtual Void resetBits () = 0; virtual Void resetCoeffCost () = 0; virtual UInt getNumberOfWrittenBits() = 0; virtual UInt getCoeffCost () = 0; virtual Void codeVPS ( TComVPS* pcVPS ) = 0; virtual Void codeSPS ( TComSPS* pcSPS ) = 0; virtual Void codePPS ( TComPPS* pcPPS ) = 0; virtual Void codeSliceHeader ( TComSlice* pcSlice ) = 0; virtual Void codeTilesWPPEntryPoint ( TComSlice* pSlice ) = 0; virtual Void codeTerminatingBit ( UInt uilsLast ) = 0; virtual Void codeSliceFinish () = 0; virtual Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0; virtual Void codeScalingList ( TComScalingList* scalingList ) = 0; public: virtual Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; virtual Void codeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; virtual Void codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; virtual Void codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; virtual Void codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; virtual Void codePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; virtual Void codePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; virtual Void codeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; virtual Void codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) = 0; virtual Void codeQtCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ) = 0; virtual Void codeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; virtual Void codeQtCbfZero ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth ) = 0; virtual Void codeQtRootCbfZero ( TComDataCU* pcCU ) = 0; virtual Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiplePU ) = 0; virtual Void codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; virtual Void codeInterDir ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; virtual Void codeRefFrmIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0; virtual Void codeMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0; virtual Void codeDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; virtual Void codeCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) = 0; virtual Void codeTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType ) = 0; virtual Void codeSAOSign ( UInt code ) = 0; virtual Void codeSaoMaxUvlc ( UInt code, UInt maxSymbol ) = 0; virtual Void codeSaoMerge ( UInt uiCode ) = 0; virtual Void codeSaoTypeIdx ( UInt uiCode) = 0; virtual Void codeSaoUflc ( UInt uiLength, UInt uiCode ) = 0; virtual Void estBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType) = 0; virtual Void updateContextTables ( SliceType eSliceType, Int iQp, Bool bExecuteFinish ) = 0; virtual Void updateContextTables ( SliceType eSliceType, Int iQp ) = 0; virtual Void codeDFFlag (UInt uiCode, const Char *pSymbolName) = 0; virtual Void codeDFSvlc (Int iCode, const Char *pSymbolName) = 0; virtual ~TEncEntropyIf() {} }; /// entropy encoder class class TEncEntropy { private: UInt m_uiBakAbsPartIdx; UInt m_uiBakChromaOffset; UInt m_bakAbsPartIdxCU; public: Void setEntropyCoder ( TEncEntropyIf* e, TComSlice* pcSlice ); Void setBitstream ( TComBitIf* p ) { m_pcEntropyCoderIf->setBitstream(p); } Void resetBits () { m_pcEntropyCoderIf->resetBits(); } Void resetCoeffCost () { m_pcEntropyCoderIf->resetCoeffCost(); } UInt getNumberOfWrittenBits () { return m_pcEntropyCoderIf->getNumberOfWrittenBits(); } UInt getCoeffCost () { return m_pcEntropyCoderIf->getCoeffCost(); } Void resetEntropy () { m_pcEntropyCoderIf->resetEntropy(); } Void determineCabacInitIdx () { m_pcEntropyCoderIf->determineCabacInitIdx(); } Void encodeSliceHeader ( TComSlice* pcSlice ); Void encodeTilesWPPEntryPoint( TComSlice* pSlice ); Void encodeTerminatingBit ( UInt uiIsLast ); Void encodeSliceFinish (); TEncEntropyIf* m_pcEntropyCoderIf; public: Void encodeVPS ( TComVPS* pcVPS); // SPS Void encodeSPS ( TComSPS* pcSPS ); Void encodePPS ( TComPPS* pcPPS ); Void encodeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false ); Void encodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); Void encodeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); Void encodePUWise ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); Void encodeInterDirPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx ); Void encodeRefFrmIdxPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList ); Void encodeMvdPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList ); Void encodeMVPIdxPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList ); Void encodeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); Void encodeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); Void encodePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); Void encodePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false ); Void encodeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); Void encodePredInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); Void encodeIntraDirModeLuma ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiplePU = false ); Void encodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); Void encodeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ); Void encodeQtCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ); Void encodeQtCbfZero ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth ); Void encodeQtRootCbfZero ( TComDataCU* pcCU ); Void encodeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ); Void encodeQP ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); Void updateContextTables ( SliceType eSliceType, Int iQp, Bool bExecuteFinish ) { m_pcEntropyCoderIf->updateContextTables( eSliceType, iQp, bExecuteFinish ); } Void updateContextTables ( SliceType eSliceType, Int iQp ) { m_pcEntropyCoderIf->updateContextTables( eSliceType, iQp, true ); } Void encodeScalingList ( TComScalingList* scalingList ); private: Void xEncodeTransform ( TComDataCU* pcCU,UInt offsetLumaOffset, UInt offsetChroma, UInt uiAbsPartIdx, UInt uiDepth, UInt width, UInt height, UInt uiTrIdx, Bool& bCodeDQP ); public: Void encodeCoeff ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP ); Void encodeCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoeff, UInt uiAbsPartIdx, UInt uiTrWidth, UInt uiTrHeight, UInt uiDepth, TextType eType ); Void estimateBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType); Void encodeSaoOffset(SaoLcuParam* saoLcuParam, UInt compIdx); Void encodeSaoUnitInterleaving(Int compIdx, Bool saoFlag, Int rx, Int ry, SaoLcuParam* saoLcuParam, Int cuAddrInSlice, Int cuAddrUpInSlice, Int allowMergeLeft, Int allowMergeUp); static Int countNonZeroCoeffs( TCoeff* pcCoef, UInt uiSize ); };// END CLASS DEFINITION TEncEntropy //! \} #endif // __TENCENTROPY__