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libbpg/jctvc/TLibCommon/TComTrQuant.h
King_DuckZ b21307932d libbpg-0.9.3
2015-01-16 13:46:18 +01:00

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/* 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) 2010-2014, 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 TComTrQuant.h
\brief transform and quantization class (header)
*/
#ifndef __TCOMTRQUANT__
#define __TCOMTRQUANT__
#include "CommonDef.h"
#include "TComYuv.h"
#include "TComDataCU.h"
#include "TComChromaFormat.h"
#include "ContextTables.h"
//! \ingroup TLibCommon
//! \{
// ====================================================================================================================
// Constants
// ====================================================================================================================
#define QP_BITS 15
// ====================================================================================================================
// Type definition
// ====================================================================================================================
typedef struct
{
Int significantCoeffGroupBits[NUM_SIG_CG_FLAG_CTX][2 /*Flag = [0|1]*/];
Int significantBits[NUM_SIG_FLAG_CTX][2 /*Flag = [0|1]*/];
Int lastXBits[MAX_NUM_CHANNEL_TYPE][LAST_SIGNIFICANT_GROUPS];
Int lastYBits[MAX_NUM_CHANNEL_TYPE][LAST_SIGNIFICANT_GROUPS];
Int m_greaterOneBits[NUM_ONE_FLAG_CTX][2 /*Flag = [0|1]*/];
Int m_levelAbsBits[NUM_ABS_FLAG_CTX][2 /*Flag = [0|1]*/];
Int blockCbpBits[NUM_QT_CBF_CTX_SETS * NUM_QT_CBF_CTX_PER_SET][2 /*Flag = [0|1]*/];
Int blockRootCbpBits[4][2 /*Flag = [0|1]*/];
Int golombRiceAdaptationStatistics[RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS];
} estBitsSbacStruct;
// ====================================================================================================================
// Class definition
// ====================================================================================================================
/// QP struct
struct QpParam
{
Int Qp;
Int per;
Int rem;
QpParam(const Int qpy,
const ChannelType chType,
const Int qpBdOffset,
const Int chromaQPOffset,
const ChromaFormat chFmt );
QpParam(const TComDataCU &cu, const ComponentID compID);
}; // END STRUCT DEFINITION QpParam
/// transform and quantization class
class TComTrQuant
{
public:
TComTrQuant();
~TComTrQuant();
// initialize class
Void init ( UInt uiMaxTrSize,
Bool useRDOQ = false,
Bool useRDOQTS = false,
Bool bEnc = false,
Bool useTransformSkipFast = false
#if ADAPTIVE_QP_SELECTION
, Bool bUseAdaptQpSelect = false
#endif
);
// transform & inverse transform functions
Void transformNxN( TComTU & rTu,
const ComponentID compID,
Pel * pcResidual,
const UInt uiStride,
TCoeff * rpcCoeff,
#if ADAPTIVE_QP_SELECTION
TCoeff * rpcArlCoeff,
#endif
TCoeff & uiAbsSum,
const QpParam & cQP
);
Void invTransformNxN( TComTU & rTu,
const ComponentID compID,
Pel *pcResidual,
const UInt uiStride,
TCoeff * pcCoeff,
const QpParam & cQP
DEBUG_STRING_FN_DECLAREP(psDebug));
Void invRecurTransformNxN ( const ComponentID compID, TComYuv *pResidual, TComTU &rTu );
Void rdpcmNxN ( TComTU& rTu, const ComponentID compID, Pel* pcResidual, const UInt uiStride, const QpParam& cQP, TCoeff* pcCoeff, TCoeff &uiAbsSum, RDPCMMode& rdpcmMode );
Void invRdpcmNxN( TComTU& rTu, const ComponentID compID, Pel* pcResidual, const UInt uiStride );
Void applyForwardRDPCM( TComTU& rTu, const ComponentID compID, Pel* pcResidual, const UInt uiStride, const QpParam& cQP, TCoeff* pcCoeff, TCoeff &uiAbsSum, const RDPCMMode mode );
// Misc functions
#if RDOQ_CHROMA_LAMBDA
Void setLambdas(const Double lambdas[MAX_NUM_COMPONENT]) { for (UInt component = 0; component < MAX_NUM_COMPONENT; component++) m_lambdas[component] = lambdas[component]; }
Void selectLambda(const ComponentID compIdx) { m_dLambda = m_lambdas[compIdx]; }
#else
Void setLambda(Double dLambda) { m_dLambda = dLambda;}
#endif
Void setRDOQOffset( UInt uiRDOQOffset ) { m_uiRDOQOffset = uiRDOQOffset; }
estBitsSbacStruct* m_pcEstBitsSbac;
static Int calcPatternSigCtx( const UInt* sigCoeffGroupFlag, UInt uiCGPosX, UInt uiCGPosY, UInt widthInGroups, UInt heightInGroups );
static Int getSigCtxInc ( Int patternSigCtx,
const TUEntropyCodingParameters &codingParameters,
const Int scanPosition,
const Int log2BlockWidth,
const Int log2BlockHeight,
const ChannelType chanType
);
static UInt getSigCoeffGroupCtxInc (const UInt* uiSigCoeffGroupFlag,
const UInt uiCGPosX,
const UInt uiCGPosY,
const UInt widthInGroups,
const UInt heightInGroups);
Void initScalingList ();
Void destroyScalingList ();
Void setErrScaleCoeff ( UInt list, UInt size, Int qp );
Double* getErrScaleCoeff ( UInt list, UInt size, Int qp ) { return m_errScale [size][list][qp]; }; //!< get Error Scale Coefficent
Double& getErrScaleCoeffNoScalingList ( UInt list, UInt size, Int qp ) { return m_errScaleNoScalingList[size][list][qp]; }; //!< get Error Scale Coefficent
Int* getQuantCoeff ( UInt list, Int qp, UInt size ) { return m_quantCoef [size][list][qp]; }; //!< get Quant Coefficent
Int* getDequantCoeff ( UInt list, Int qp, UInt size ) { return m_dequantCoef [size][list][qp]; }; //!< get DeQuant Coefficent
Void setUseScalingList ( Bool bUseScalingList){ m_scalingListEnabledFlag = bUseScalingList; };
Bool getUseScalingList (const UInt width, const UInt height, const Bool isTransformSkip){ return m_scalingListEnabledFlag && (!isTransformSkip || ((width == 4) && (height == 4))); };
Void setFlatScalingList (const ChromaFormat format);
Void xsetFlatScalingList ( UInt list, UInt size, Int qp, const ChromaFormat format);
Void xSetScalingListEnc ( TComScalingList *scalingList, UInt list, UInt size, Int qp, const ChromaFormat format);
Void xSetScalingListDec ( TComScalingList *scalingList, UInt list, UInt size, Int qp, const ChromaFormat format);
Void setScalingList ( TComScalingList *scalingList, const ChromaFormat format);
Void setScalingListDec ( TComScalingList *scalingList, const ChromaFormat format);
Void processScalingListEnc( Int *coeff, Int *quantcoeff, Int quantScales, UInt height, UInt width, UInt ratio, Int sizuNum, UInt dc);
Void processScalingListDec( Int *coeff, Int *dequantcoeff, Int invQuantScales, UInt height, UInt width, UInt ratio, Int sizuNum, UInt dc);
#if ADAPTIVE_QP_SELECTION
Void initSliceQpDelta() ;
Void storeSliceQpNext(TComSlice* pcSlice);
Void clearSliceARLCnt();
Int getQpDelta(Int qp) { return m_qpDelta[qp]; }
Int* getSliceNSamples(){ return m_sliceNsamples ;}
Double* getSliceSumC() { return m_sliceSumC; }
#endif
Void transformSkipQuantOneSample(TComTU &rTu, const ComponentID compID, const Pel resiDiff, TCoeff* pcCoeff, const UInt uiPos, const QpParam &cQP, const Bool bUseHalfRoundingPoint);
Void invTrSkipDeQuantOneSample(TComTU &rTu, ComponentID compID, TCoeff pcCoeff, Pel &reconSample, const QpParam &cQP, UInt uiPos );
protected:
#if ADAPTIVE_QP_SELECTION
Int m_qpDelta[MAX_QP+1];
Int m_sliceNsamples[LEVEL_RANGE+1];
Double m_sliceSumC[LEVEL_RANGE+1] ;
#endif
TCoeff* m_plTempCoeff;
// QpParam m_cQP; - removed - placed on the stack.
#if RDOQ_CHROMA_LAMBDA
Double m_lambdas[MAX_NUM_COMPONENT];
#endif
Double m_dLambda;
UInt m_uiRDOQOffset;
UInt m_uiMaxTrSize;
Bool m_bEnc;
Bool m_useRDOQ;
Bool m_useRDOQTS;
#if ADAPTIVE_QP_SELECTION
Bool m_bUseAdaptQpSelect;
#endif
Bool m_useTransformSkipFast;
Bool m_scalingListEnabledFlag;
Int *m_quantCoef [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of quantization matrix coefficient 4x4
Int *m_dequantCoef [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of dequantization matrix coefficient 4x4
Double *m_errScale [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of quantization matrix coefficient 4x4
Double m_errScaleNoScalingList[SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of quantization matrix coefficient 4x4
private:
// forward Transform
Void xT ( const ComponentID compID, Bool useDST, Pel* piBlkResi, UInt uiStride, TCoeff* psCoeff, Int iWidth, Int iHeight );
// skipping Transform
Void xTransformSkip ( Pel* piBlkResi, UInt uiStride, TCoeff* psCoeff, TComTU &rTu, const ComponentID component );
Void signBitHidingHDQ( const ComponentID compID, TCoeff* pQCoef, TCoeff* pCoef, TCoeff* deltaU, const TUEntropyCodingParameters &codingParameters );
// quantization
Void xQuant( TComTU &rTu,
TCoeff * pSrc,
TCoeff * pDes,
#if ADAPTIVE_QP_SELECTION
TCoeff *pArlDes,
#endif
TCoeff &uiAbsSum,
const ComponentID compID,
const QpParam &cQP );
// RDOQ functions
Void xRateDistOptQuant ( TComTU &rTu,
TCoeff * plSrcCoeff,
TCoeff * piDstCoeff,
#if ADAPTIVE_QP_SELECTION
TCoeff *piArlDstCoeff,
#endif
TCoeff &uiAbsSum,
const ComponentID compID,
const QpParam &cQP );
__inline UInt xGetCodedLevel ( Double& rd64CodedCost,
Double& rd64CodedCost0,
Double& rd64CodedCostSig,
Intermediate_Int lLevelDouble,
UInt uiMaxAbsLevel,
UShort ui16CtxNumSig,
UShort ui16CtxNumOne,
UShort ui16CtxNumAbs,
UShort ui16AbsGoRice,
UInt c1Idx,
UInt c2Idx,
Int iQBits,
Double errorScale,
Bool bLast,
Bool useLimitedPrefixLength,
ChannelType channelType
) const;
__inline Int xGetICRate ( UInt uiAbsLevel,
UShort ui16CtxNumOne,
UShort ui16CtxNumAbs,
UShort ui16AbsGoRice,
UInt c1Idx,
UInt c2Idx,
Bool useLimitedPrefixLength,
ChannelType channelType
) const;
__inline Double xGetRateLast ( const UInt uiPosX, const UInt uiPosY, const ComponentID component ) const;
__inline Double xGetRateSigCoeffGroup( UShort uiSignificanceCoeffGroup, UShort ui16CtxNumSig ) const;
__inline Double xGetRateSigCoef ( UShort uiSignificance, UShort ui16CtxNumSig ) const;
__inline Double xGetICost ( Double dRate ) const;
__inline Double xGetIEPRate ( ) const;
// dequantization
Void xDeQuant( TComTU &rTu,
const TCoeff * pSrc,
TCoeff * pDes,
const ComponentID compID,
const QpParam &cQP );
// inverse transform
Void xIT ( const ComponentID compID, Bool useDST, TCoeff* plCoef, Pel* pResidual, UInt uiStride, Int iWidth, Int iHeight );
// inverse skipping transform
Void xITransformSkip ( TCoeff* plCoef, Pel* pResidual, UInt uiStride, TComTU &rTu, const ComponentID component );
public:
static Void crossComponentPrediction( TComTU &rTu,
const ComponentID compID,
const Pel *piResiL,
const Pel *piResiC,
Pel *piResiT,
const Int width,
const Int height,
const Int strideL,
const Int strideC,
const Int strideT,
const Bool reverse);
};// END CLASS DEFINITION TComTrQuant
//! \}
#endif // __TCOMTRQUANT__
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