forked from mirror/libbpg
143 lines
6.8 KiB
C++
143 lines
6.8 KiB
C++
/* 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 TComPrediction.h
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\brief prediction class (header)
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*/
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#ifndef __TCOMPREDICTION__
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#define __TCOMPREDICTION__
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// Include files
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#include "TComPic.h"
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#include "TComMotionInfo.h"
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#include "TComPattern.h"
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#include "TComTrQuant.h"
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#include "TComInterpolationFilter.h"
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#include "TComWeightPrediction.h"
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class TComTU; // forward declaration
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//! \ingroup TLibCommon
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//! \{
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// ====================================================================================================================
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// Class definition
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// ====================================================================================================================
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/// prediction class
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typedef enum PRED_BUF_E
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{
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PRED_BUF_UNFILTERED=0,
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PRED_BUF_FILTERED=1,
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NUM_PRED_BUF=2
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} PRED_BUF;
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static const UInt MAX_INTRA_FILTER_DEPTHS=5;
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class TComPrediction : public TComWeightPrediction
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{
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private:
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static const UChar m_aucIntraFilter[MAX_NUM_CHANNEL_TYPE][MAX_INTRA_FILTER_DEPTHS];
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protected:
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Pel* m_piYuvExt[MAX_NUM_COMPONENT][NUM_PRED_BUF];
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Int m_iYuvExtSize;
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TComYuv m_acYuvPred[NUM_REF_PIC_LIST_01];
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TComYuv m_cYuvPredTemp;
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TComYuv m_filteredBlock[LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS][LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS];
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TComYuv m_filteredBlockTmp[LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS];
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TComInterpolationFilter m_if;
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Pel* m_pLumaRecBuffer; ///< array for downsampled reconstructed luma sample
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Int m_iLumaRecStride; ///< stride of #m_pLumaRecBuffer array
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Void xPredIntraAng ( Int bitDepth, const Pel* pSrc, Int srcStride, Pel* pDst, Int dstStride, UInt width, UInt height, ChannelType channelType, ChromaFormat format, UInt dirMode, Bool blkAboveAvailable, Bool blkLeftAvailable, const Bool bEnableEdgeFilters );
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Void xPredIntraPlanar ( const Pel* pSrc, Int srcStride, Pel* rpDst, Int dstStride, UInt width, UInt height, ChannelType channelType, ChromaFormat format );
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// motion compensation functions
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Void xPredInterUni ( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, RefPicList eRefPicList, TComYuv* pcYuvPred, Bool bi=false );
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Void xPredInterBi ( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, TComYuv* pcYuvPred );
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Void xPredInterBlk(const ComponentID compID, TComDataCU *cu, TComPicYuv *refPic, UInt partAddr, TComMv *mv, Int width, Int height, TComYuv *dstPic, Bool bi );
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Void xWeightedAverage ( TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, Int iRefIdx0, Int iRefIdx1, UInt uiPartAddr, Int iWidth, Int iHeight, TComYuv* pcYuvDst );
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Void xGetLLSPrediction ( const Pel* pSrc0, Int iSrcStride, Pel* pDst0, Int iDstStride, UInt uiWidth, UInt uiHeight, UInt uiExt0, const ChromaFormat chFmt DEBUG_STRING_FN_DECLARE(sDebug) );
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Void xDCPredFiltering( const Pel* pSrc, Int iSrcStride, Pel* pDst, Int iDstStride, Int iWidth, Int iHeight, ChannelType channelType );
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Bool xCheckIdenticalMotion ( TComDataCU* pcCU, UInt PartAddr);
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Void destroy();
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public:
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TComPrediction();
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virtual ~TComPrediction();
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Void initTempBuff(ChromaFormat chromaFormatIDC);
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ChromaFormat getChromaFormat() const { return m_cYuvPredTemp.getChromaFormat(); }
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// inter
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Void motionCompensation ( TComDataCU* pcCU, TComYuv* pcYuvPred, RefPicList eRefPicList = REF_PIC_LIST_X, Int iPartIdx = -1 );
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// motion vector prediction
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Void getMvPredAMVP ( TComDataCU* pcCU, UInt uiPartIdx, UInt uiPartAddr, RefPicList eRefPicList, TComMv& rcMvPred );
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// Angular Intra
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Void predIntraAng ( const ComponentID compID, UInt uiDirMode, Pel *piOrg /* Will be null for decoding */, UInt uiOrgStride, Pel* piPred, UInt uiStride, TComTU &rTu, Bool bAbove, Bool bLeft, const Bool bUseFilteredPredSamples, const Bool bUseLosslessDPCM = false );
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Pel predIntraGetPredValDC ( const Pel* pSrc, Int iSrcStride, UInt iWidth, UInt iHeight, ChannelType channelType, ChromaFormat format, Bool bAbove, Bool bLeft );
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Pel* getPredictorPtr ( const ComponentID compID, const Bool bUseFilteredPredictions )
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{
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return m_piYuvExt[compID][bUseFilteredPredictions?PRED_BUF_FILTERED:PRED_BUF_UNFILTERED];
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}
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// This function is actually still in TComPattern.cpp
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/// set parameters from CU data for accessing ADI data
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Void initAdiPatternChType ( TComTU &rTu,
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Bool& bAbove,
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Bool& bLeft,
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const ComponentID compID, const Bool bFilterRefSamples
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DEBUG_STRING_FN_DECLARE(sDebug)
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);
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static Bool filteringIntraReferenceSamples(const ComponentID compID, UInt uiDirMode, UInt uiTuChWidth, UInt uiTuChHeight, const ChromaFormat chFmt, const Bool intraReferenceSmoothingDisabled);
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static Bool UseDPCMForFirstPassIntraEstimation(TComTU &rTu, const UInt uiDirMode);
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};
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//! \}
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#endif // __TCOMPREDICTION__
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