194 lines
10 KiB
C
194 lines
10 KiB
C
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/* The copyright in this software is being made available under the BSD
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* License, included below. This software may be subject to other third party
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* and contributor rights, including patent rights, and no such rights are
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* granted under this license.
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*
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* Copyright (c) 2010-2014, ITU/ISO/IEC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file TEncEntropy.h
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\brief entropy encoder class (header)
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*/
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#ifndef __TENCENTROPY__
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#define __TENCENTROPY__
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#include "TLibCommon/TComSlice.h"
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#include "TLibCommon/TComDataCU.h"
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#include "TLibCommon/TComBitStream.h"
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#include "TLibCommon/ContextModel.h"
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#include "TLibCommon/TComPic.h"
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#include "TLibCommon/TComTrQuant.h"
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#include "TLibCommon/TComSampleAdaptiveOffset.h"
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#include "TLibCommon/TComChromaFormat.h"
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class TEncSbac;
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class TEncCavlc;
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class SEI;
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// ====================================================================================================================
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// Class definition
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// ====================================================================================================================
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/// entropy encoder pure class
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class TEncEntropyIf
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{
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public:
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virtual Void resetEntropy () = 0;
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virtual Void determineCabacInitIdx () = 0;
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virtual Void setBitstream ( TComBitIf* p ) = 0;
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virtual Void setSlice ( TComSlice* p ) = 0;
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virtual Void resetBits () = 0;
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virtual UInt getNumberOfWrittenBits() = 0;
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virtual Void codeVPS ( TComVPS* pcVPS ) = 0;
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virtual Void codeSPS ( TComSPS* pcSPS ) = 0;
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virtual Void codePPS ( TComPPS* pcPPS ) = 0;
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virtual Void codeSliceHeader ( TComSlice* pcSlice ) = 0;
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virtual Void codeTilesWPPEntryPoint ( TComSlice* pSlice ) = 0;
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virtual Void codeTerminatingBit ( UInt uilsLast ) = 0;
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virtual Void codeSliceFinish () = 0;
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virtual Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0;
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virtual Void codeScalingList ( TComScalingList* scalingList ) = 0;
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public:
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virtual Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
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virtual Void codePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
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virtual Void codePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) = 0;
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virtual Void codeQtCbf ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) = 0;
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virtual Void codeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeQtCbfZero ( TComTU &rTu, const ChannelType chType ) = 0;
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virtual Void codeQtRootCbfZero ( TComDataCU* pcCU ) = 0;
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virtual Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiplePU ) = 0;
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virtual Void codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeInterDir ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeRefFrmIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0;
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virtual Void codeMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0;
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virtual Void codeCrossComponentPrediction( TComTU &rTu, ComponentID compID ) = 0;
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virtual Void codeDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
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virtual Void codeCoeffNxN ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID ) = 0;
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virtual Void codeTransformSkipFlags ( TComTU &rTu, ComponentID component ) = 0;
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virtual Void codeSAOBlkParam (SAOBlkParam& saoBlkParam, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail, Bool onlyEstMergeInfo = false) =0;
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virtual Void estBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType) = 0;
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virtual Void codeDFFlag (UInt uiCode, const Char *pSymbolName) = 0;
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virtual Void codeDFSvlc (Int iCode, const Char *pSymbolName) = 0;
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virtual Void codeExplicitRdpcmMode ( TComTU &rTu, const ComponentID compID ) = 0;
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virtual ~TEncEntropyIf() {}
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};
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/// entropy encoder class
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class TEncEntropy
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{
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public:
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Void setEntropyCoder ( TEncEntropyIf* e, TComSlice* pcSlice );
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Void setBitstream ( TComBitIf* p ) { m_pcEntropyCoderIf->setBitstream(p); }
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Void resetBits () { m_pcEntropyCoderIf->resetBits(); }
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UInt getNumberOfWrittenBits () { return m_pcEntropyCoderIf->getNumberOfWrittenBits(); }
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Void resetEntropy () { m_pcEntropyCoderIf->resetEntropy(); }
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Void determineCabacInitIdx () { m_pcEntropyCoderIf->determineCabacInitIdx(); }
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Void encodeSliceHeader ( TComSlice* pcSlice );
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Void encodeTilesWPPEntryPoint( TComSlice* pSlice );
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Void encodeTerminatingBit ( UInt uiIsLast );
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Void encodeSliceFinish ();
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TEncEntropyIf* m_pcEntropyCoderIf;
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public:
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Void encodeVPS ( TComVPS* pcVPS);
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// SPS
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Void encodeSPS ( TComSPS* pcSPS );
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Void encodePPS ( TComPPS* pcPPS );
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Void encodeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false );
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Void encodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
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Void encodeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
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Void encodePUWise ( TComDataCU* pcCU, UInt uiAbsPartIdx );
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Void encodeInterDirPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx );
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Void encodeRefFrmIdxPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
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Void encodeMvdPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
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Void encodeMVPIdxPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
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Void encodeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx );
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Void encodeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
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Void encodePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
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Void encodePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false );
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Void encodeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
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Void encodePredInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx );
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Void encodeIntraDirModeLuma ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiplePU = false );
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Void encodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx );
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Void encodeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx );
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Void encodeQtCbf ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel );
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Void encodeQtCbfZero ( TComTU &rTu, const ChannelType chType );
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Void encodeQtRootCbfZero ( TComDataCU* pcCU );
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Void encodeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx );
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Void encodeQP ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
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Void encodeChromaQpAdjustment ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
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Void encodeScalingList ( TComScalingList* scalingList );
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Void encodeCrossComponentPrediction( TComTU &rTu, ComponentID compID );
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private:
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Void xEncodeTransform ( Bool& bCodeDQP, Bool& codeChromaQpAdj, TComTU &rTu );
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public:
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Void encodeCoeff ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool& bCodeDQP, Bool& codeChromaQpAdj );
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Void encodeCoeffNxN ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID );
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Void estimateBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType );
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Void encodeSAOBlkParam(SAOBlkParam& saoBlkParam, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail){m_pcEntropyCoderIf->codeSAOBlkParam(saoBlkParam, sliceEnabled, leftMergeAvail, aboveMergeAvail, false);}
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static Int countNonZeroCoeffs( TCoeff* pcCoef, UInt uiSize );
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};// END CLASS DEFINITION TEncEntropy
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//! \}
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#endif // __TENCENTROPY__
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