/* 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) 2010-2015, 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 TComPrediction.cpp \brief prediction class */ #include #include "TComPrediction.h" #include "TComPic.h" #include "TComTU.h" //! \ingroup TLibCommon //! \{ // ==================================================================================================================== // Tables // ==================================================================================================================== const UChar TComPrediction::m_aucIntraFilter[MAX_NUM_CHANNEL_TYPE][MAX_INTRA_FILTER_DEPTHS] = { { // Luma 10, //4x4 7, //8x8 1, //16x16 0, //32x32 10, //64x64 }, { // Chroma 10, //4xn 7, //8xn 1, //16xn 0, //32xn 10, //64xn } }; // ==================================================================================================================== // Constructor / destructor / initialize // ==================================================================================================================== TComPrediction::TComPrediction() : m_pLumaRecBuffer(0) , m_iLumaRecStride(0) { for(UInt ch=0; ch>1) + 1) { m_iLumaRecStride = (MAX_CU_SIZE>>1) + 1; if (!m_pLumaRecBuffer) { m_pLumaRecBuffer = new Pel[ m_iLumaRecStride * m_iLumaRecStride ]; } } #if H_3D_IC m_uiaShift[0] = 0; for( Int i = 1; i < 64; i++ ) { m_uiaShift[i] = ( (1 << 15) + i/2 ) / i; } #endif } // ==================================================================================================================== // Public member functions // ==================================================================================================================== // Function for calculating DC value of the reference samples used in Intra prediction //NOTE: Bit-Limit - 25-bit source Pel TComPrediction::predIntraGetPredValDC( const Pel* pSrc, Int iSrcStride, UInt iWidth, UInt iHeight, Bool bAbove, Bool bLeft ) { assert(iWidth > 0 && iHeight > 0); Int iInd, iSum = 0; Pel pDcVal; if (bAbove) { for (iInd = 0;iInd < iWidth;iInd++) { iSum += pSrc[iInd-iSrcStride]; } } if (bLeft) { for (iInd = 0;iInd < iHeight;iInd++) { iSum += pSrc[iInd*iSrcStride-1]; } } if (bAbove && bLeft) { pDcVal = (iSum + iWidth) / (iWidth + iHeight); } else if (bAbove) { pDcVal = (iSum + iWidth/2) / iWidth; } else if (bLeft) { pDcVal = (iSum + iHeight/2) / iHeight; } else { pDcVal = pSrc[-1]; // Default DC value already calculated and placed in the prediction array if no neighbors are available } return pDcVal; } // Function for deriving the angular Intra predictions /** Function for deriving the simplified angular intra predictions. * \param bitDepth bit depth * \param pSrc pointer to reconstructed sample array * \param srcStride the stride of the reconstructed sample array * \param pTrueDst reference to pointer for the prediction sample array * \param dstStrideTrue the stride of the prediction sample array * \param uiWidth the width of the block * \param uiHeight the height of the block * \param channelType type of pel array (luma/chroma) * \param format chroma format * \param dirMode the intra prediction mode index * \param blkAboveAvailable boolean indication if the block above is available * \param blkLeftAvailable boolean indication if the block to the left is available * \param bEnableEdgeFilters indication whether to enable edge filters * * This function derives the prediction samples for the angular mode based on the prediction direction indicated by * the prediction mode index. The prediction direction is given by the displacement of the bottom row of the block and * the reference row above the block in the case of vertical prediction or displacement of the rightmost column * of the block and reference column left from the block in the case of the horizontal prediction. The displacement * is signalled at 1/32 pixel accuracy. When projection of the predicted pixel falls inbetween reference samples, * the predicted value for the pixel is linearly interpolated from the reference samples. All reference samples are taken * from the extended main reference. */ //NOTE: Bit-Limit - 25-bit source Void TComPrediction::xPredIntraAng( Int bitDepth, const Pel* pSrc, Int srcStride, Pel* pTrueDst, Int dstStrideTrue, UInt uiWidth, UInt uiHeight, ChannelType channelType, UInt dirMode, Bool blkAboveAvailable, Bool blkLeftAvailable , const Bool bEnableEdgeFilters ) { Int width=Int(uiWidth); Int height=Int(uiHeight); // Map the mode index to main prediction direction and angle assert( dirMode != PLANAR_IDX ); //no planar const Bool modeDC = dirMode==DC_IDX; // Do the DC prediction if (modeDC) { const Pel dcval = predIntraGetPredValDC(pSrc, srcStride, width, height, blkAboveAvailable, blkLeftAvailable); for (Int y=height;y>0;y--, pTrueDst+=dstStrideTrue) { for (Int x=0; x= 18); const Int intraPredAngleMode = (bIsModeVer) ? (Int)dirMode - VER_IDX : -((Int)dirMode - HOR_IDX); const Int absAngMode = abs(intraPredAngleMode); const Int signAng = intraPredAngleMode < 0 ? -1 : 1; const Bool edgeFilter = bEnableEdgeFilters && isLuma(channelType) && (width <= MAXIMUM_INTRA_FILTERED_WIDTH) && (height <= MAXIMUM_INTRA_FILTERED_HEIGHT); // Set bitshifts and scale the angle parameter to block size static const Int angTable[9] = {0, 2, 5, 9, 13, 17, 21, 26, 32}; static const Int invAngTable[9] = {0, 4096, 1638, 910, 630, 482, 390, 315, 256}; // (256 * 32) / Angle Int invAngle = invAngTable[absAngMode]; Int absAng = angTable[absAngMode]; Int intraPredAngle = signAng * absAng; Pel* refMain; Pel* refSide; Pel refAbove[2*MAX_CU_SIZE+1]; Pel refLeft[2*MAX_CU_SIZE+1]; // Initialise the Main and Left reference array. if (intraPredAngle < 0) { const Int refMainOffsetPreScale = (bIsModeVer ? height : width ) - 1; const Int refMainOffset = height - 1; for (Int x=0;x(refMainOffsetPreScale+1)*intraPredAngle>>5; k--) { invAngleSum += invAngle; refMain[k] = refSide[invAngleSum>>8]; } } else { for (Int x=0;x<2*width+1;x++) { refAbove[x] = pSrc[x-srcStride-1]; } for (Int y=0;y<2*height+1;y++) { refLeft[y] = pSrc[(y-1)*srcStride-1]; } refMain = bIsModeVer ? refAbove : refLeft ; refSide = bIsModeVer ? refLeft : refAbove; } // swap width/height if we are doing a horizontal mode: Pel tempArray[MAX_CU_SIZE*MAX_CU_SIZE]; const Int dstStride = bIsModeVer ? dstStrideTrue : MAX_CU_SIZE; Pel *pDst = bIsModeVer ? pTrueDst : tempArray; if (!bIsModeVer) { std::swap(width, height); } if (intraPredAngle == 0) // pure vertical or pure horizontal { for (Int y=0;y> 1) ); } } } else { Pel *pDsty=pDst; for (Int y=0, deltaPos=intraPredAngle; y> 5; const Int deltaFract = deltaPos & (32 - 1); if (deltaFract) { // Do linear filtering const Pel *pRM=refMain+deltaInt+1; Int lastRefMainPel=*pRM++; for (Int x=0;x> 5 ); lastRefMainPel=thisRefMainPel; } } else { // Just copy the integer samples for (Int x=0;x= 0 ); // 4x 4 assert( g_aucConvertToBit[ iWidth ] <= 5 ); // 128x128 //assert( iWidth == iHeight ); Pel *pDst = piPred; // get starting pixel in block const Int sw = (2 * iWidth + 1); if ( bUseLosslessDPCM ) { const Pel *ptrSrc = getPredictorPtr( compID, false ); // Sample Adaptive intra-Prediction (SAP) if (uiDirMode==HOR_IDX) { // left column filled with reference samples // remaining columns filled with piOrg data (if available). for(Int y=0; yisRDPCMEnabled(uiAbsPartIdx) && pcCU->getCUTransquantBypass(uiAbsPartIdx)); #if O0043_BEST_EFFORT_DECODING const Int channelsBitDepthForPrediction = rTu.getCU()->getSlice()->getSPS()->getStreamBitDepth(channelType); #else const Int channelsBitDepthForPrediction = rTu.getCU()->getSlice()->getSPS()->getBitDepth(channelType); #endif xPredIntraAng( channelsBitDepthForPrediction, ptrSrc+sw+1, sw, pDst, uiStride, iWidth, iHeight, channelType, uiDirMode, bAbove, bLeft, enableEdgeFilters ); if(( uiDirMode == DC_IDX ) && bAbove && bLeft ) { xDCPredFiltering( ptrSrc+sw+1, sw, pDst, uiStride, iWidth, iHeight, channelType ); } } } } #if NH_3D_DMM Void TComPrediction::predIntraLumaDmm( TComDataCU* pcCU, UInt uiAbsPartIdx, DmmID dmmType, Pel* piPred, UInt uiStride, Int iWidth, Int iHeight ) { assert( iWidth == iHeight ); assert( iWidth >= DMM_MIN_SIZE && iWidth <= DMM_MAX_SIZE ); #if NH_3D_SDC_INTRA assert( !pcCU->getSDCFlag( uiAbsPartIdx ) ); #endif // get partition Bool* biSegPattern = new Bool[ (UInt)(iWidth*iHeight) ]; UInt patternStride = (UInt)iWidth; switch( dmmType ) { case( DMM1_IDX ): { (getWedgeListScaled( (UInt)iWidth )->at( pcCU->getDmm1WedgeTabIdx( uiAbsPartIdx ) )).getPatternScaledCopy( (UInt)iWidth, biSegPattern ); } break; case( DMM4_IDX ): { predContourFromTex( pcCU, uiAbsPartIdx, iWidth, iHeight, biSegPattern ); } break; default: assert(0); } // get predicted partition values Pel predDC1 = 0, predDC2 = 0; predBiSegDCs( pcCU, uiAbsPartIdx, iWidth, iHeight, biSegPattern, patternStride, predDC1, predDC2 ); // set segment values with deltaDC offsets Pel segDC1 = 0, segDC2 = 0; Pel deltaDC1 = pcCU->getDmmDeltaDC( dmmType, 0, uiAbsPartIdx ); Pel deltaDC2 = pcCU->getDmmDeltaDC( dmmType, 1, uiAbsPartIdx ); #if NH_3D_DLT segDC1 = pcCU->getSlice()->getPPS()->getDLT()->idx2DepthValue( pcCU->getSlice()->getLayerIdInVps(), pcCU->getSlice()->getPPS()->getDLT()->depthValue2idx( pcCU->getSlice()->getLayerIdInVps(), predDC1 ) + deltaDC1 ); segDC2 = pcCU->getSlice()->getPPS()->getDLT()->idx2DepthValue( pcCU->getSlice()->getLayerIdInVps(), pcCU->getSlice()->getPPS()->getDLT()->depthValue2idx( pcCU->getSlice()->getLayerIdInVps(), predDC2 ) + deltaDC2 ); #else segDC1 = ClipBD( predDC1 + deltaDC1, pcCU->getSlice()->getSPS()->getBitDepth(CHANNEL_TYPE_LUMA) ); segDC2 = ClipBD( predDC2 + deltaDC2, pcCU->getSlice()->getSPS()->getBitDepth(CHANNEL_TYPE_LUMA) ); #endif // set prediction signal Pel* pDst = piPred; assignBiSegDCs( pDst, uiStride, biSegPattern, patternStride, segDC1, segDC2 ); delete[] biSegPattern; } #endif /** Check for identical motion in both motion vector direction of a bi-directional predicted CU * \returns true, if motion vectors and reference pictures match */ Bool TComPrediction::xCheckIdenticalMotion ( TComDataCU* pcCU, UInt PartAddr ) { if( pcCU->getSlice()->isInterB() && !pcCU->getSlice()->getPPS()->getWPBiPred() ) { if( pcCU->getCUMvField(REF_PIC_LIST_0)->getRefIdx(PartAddr) >= 0 && pcCU->getCUMvField(REF_PIC_LIST_1)->getRefIdx(PartAddr) >= 0) { Int RefPOCL0 = pcCU->getSlice()->getRefPic(REF_PIC_LIST_0, pcCU->getCUMvField(REF_PIC_LIST_0)->getRefIdx(PartAddr))->getPOC(); Int RefPOCL1 = pcCU->getSlice()->getRefPic(REF_PIC_LIST_1, pcCU->getCUMvField(REF_PIC_LIST_1)->getRefIdx(PartAddr))->getPOC(); #if H_3D_ARP if(!pcCU->getARPW(PartAddr) && RefPOCL0 == RefPOCL1 && pcCU->getCUMvField(REF_PIC_LIST_0)->getMv(PartAddr) == pcCU->getCUMvField(REF_PIC_LIST_1)->getMv(PartAddr)) #else if(RefPOCL0 == RefPOCL1 && pcCU->getCUMvField(REF_PIC_LIST_0)->getMv(PartAddr) == pcCU->getCUMvField(REF_PIC_LIST_1)->getMv(PartAddr)) #endif { return true; } } } return false; } #if H_3D_SPIVMP Void TComPrediction::xGetSubPUAddrAndMerge(TComDataCU* pcCU, UInt uiPartAddr, Int iSPWidth, Int iSPHeight, Int iNumSPInOneLine, Int iNumSP, UInt* uiMergedSPW, UInt* uiMergedSPH, UInt* uiSPAddr ) { for (Int i = 0; i < iNumSP; i++) { uiMergedSPW[i] = iSPWidth; uiMergedSPH[i] = iSPHeight; pcCU->getSPAbsPartIdx(uiPartAddr, iSPWidth, iSPHeight, i, iNumSPInOneLine, uiSPAddr[i]); } if( pcCU->getARPW( uiPartAddr ) != 0 ) { return; } // horizontal sub-PU merge for (Int i=0; igetCUMvField(REF_PIC_LIST_0)->getRefIdx(PartAddr0) != pcCU->getCUMvField(REF_PIC_LIST_0)->getRefIdx(PartAddr1)) { return false; } if( pcCU->getCUMvField(REF_PIC_LIST_1)->getRefIdx(PartAddr0) != pcCU->getCUMvField(REF_PIC_LIST_1)->getRefIdx(PartAddr1)) { return false; } if (pcCU->getCUMvField(REF_PIC_LIST_0)->getRefIdx(PartAddr0) >= 0) { if (pcCU->getCUMvField(REF_PIC_LIST_0)->getMv(PartAddr0) != pcCU->getCUMvField(REF_PIC_LIST_0)->getMv(PartAddr1)) { return false; } } if (pcCU->getCUMvField(REF_PIC_LIST_1)->getRefIdx(PartAddr0) >= 0) { if (pcCU->getCUMvField(REF_PIC_LIST_1)->getMv(PartAddr0) != pcCU->getCUMvField(REF_PIC_LIST_1)->getMv(PartAddr1)) { return false; } } return true; } #endif #if H_3D_DBBP PartSize TComPrediction::getPartitionSizeFromDepth(Pel* pDepthPels, UInt uiDepthStride, UInt uiSize, TComDataCU*& pcCU) { // find virtual partitioning for this CU based on depth block // segmentation of texture block --> mask IDs Pel* pDepthBlockStart = pDepthPels; // first compute average of depth block for thresholding Int iSumDepth = 0; Int iSubSample = 4; Int iPictureWidth = pcCU->getSlice()->getIvPic (true, pcCU->getDvInfo(0).m_aVIdxCan)->getPicYuvRec()->getWidth(); Int iPictureHeight = pcCU->getSlice()->getIvPic (true, pcCU->getDvInfo(0).m_aVIdxCan)->getPicYuvRec()->getHeight(); TComMv cDv = pcCU->getSlice()->getDepthRefinementFlag( ) ? pcCU->getDvInfo(0).m_acDoNBDV : pcCU->getDvInfo(0).m_acNBDV; if( pcCU->getSlice()->getDepthRefinementFlag( ) ) { cDv.setVer(0); } Int iBlkX = ( pcCU->getAddr() % pcCU->getSlice()->getIvPic (true, pcCU->getDvInfo(0).m_aVIdxCan)->getFrameWidthInCU() ) * g_uiMaxCUWidth + g_auiRasterToPelX[ g_auiZscanToRaster[ pcCU->getZorderIdxInCU() ] ]+ ((cDv.getHor()+2)>>2); Int iBlkY = ( pcCU->getAddr() / pcCU->getSlice()->getIvPic (true, pcCU->getDvInfo(0).m_aVIdxCan)->getFrameWidthInCU() ) * g_uiMaxCUHeight + g_auiRasterToPelY[ g_auiZscanToRaster[ pcCU->getZorderIdxInCU() ] ]+ ((cDv.getVer()+2)>>2); UInt t=0; for (Int y=0; yiPictureWidth) { Int depthPel = pDepthPels[t]; iSumDepth += depthPel; } else { Int depthPel = pDepthPels[x]; t=x; iSumDepth += depthPel; } } // next row if (!(iBlkY+y+4>iPictureHeight)) { pDepthPels += uiDepthStride*iSubSample; } } Int iSizeInBits = g_aucConvertToBit[uiSize] - g_aucConvertToBit[iSubSample]; // respect sub-sampling factor Int iMean = iSumDepth >> iSizeInBits*2; // iMean /= (uiSize*uiSize); // start again for segmentation pDepthPels = pDepthBlockStart; // start mapping process Int matchedPartSum[2][2] = {{0,0},{0,0}}; // counter for each part size and boolean option PartSize virtualPartSizes[2] = { SIZE_Nx2N, SIZE_2NxN}; UInt uiHalfSize = uiSize>>1; for (Int y=0; yiPictureWidth) { depthPel = pDepthPels[t]; } else { depthPel = pDepthPels[x]; t=x; } // decide which segment this pixel belongs to Int ucSegment = (Int)(depthPel>iMean); // Matched Filter to find optimal (conventional) partitioning // SIZE_Nx2N if(xiPictureHeight)) { pDepthPels += uiDepthStride*iSubSample; } } PartSize matchedPartSize = SIZE_NONE; Int iMaxMatchSum = 0; for(Int p=0; p<2; p++) // loop over partition { for( Int b=0; b<=1; b++ ) // loop over boolean options { if(matchedPartSum[p][b] > iMaxMatchSum) { iMaxMatchSum = matchedPartSum[p][b]; matchedPartSize = virtualPartSizes[p]; } } } AOF( matchedPartSize != SIZE_NONE ); return matchedPartSize; } Bool TComPrediction::getSegmentMaskFromDepth( Pel* pDepthPels, UInt uiDepthStride, UInt uiWidth, UInt uiHeight, Bool* pMask, TComDataCU*& pcCU) { // segmentation of texture block --> mask IDs Pel* pDepthBlockStart = pDepthPels; // first compute average of depth block for thresholding Int iSumDepth = 0; Int uiMinDepth = MAX_INT; Int uiMaxDepth = 0; uiMinDepth = pDepthPels[ 0 ]; uiMaxDepth = pDepthPels[ 0 ]; iSumDepth = pDepthPels[ 0 ]; Int iPictureWidth = pcCU->getSlice()->getIvPic (true, pcCU->getDvInfo(0).m_aVIdxCan)->getPicYuvRec()->getWidth(); Int iPictureHeight = pcCU->getSlice()->getIvPic (true, pcCU->getDvInfo(0).m_aVIdxCan)->getPicYuvRec()->getHeight(); TComMv cDv = pcCU->getSlice()->getDepthRefinementFlag( ) ? pcCU->getDvInfo(0).m_acDoNBDV : pcCU->getDvInfo(0).m_acNBDV; if( pcCU->getSlice()->getDepthRefinementFlag( ) ) { cDv.setVer(0); } Int iBlkX = ( pcCU->getAddr() % pcCU->getSlice()->getIvPic (true, pcCU->getDvInfo(0).m_aVIdxCan)->getFrameWidthInCU() ) * g_uiMaxCUWidth + g_auiRasterToPelX[ g_auiZscanToRaster[ pcCU->getZorderIdxInCU() ] ]+ ((cDv.getHor()+2)>>2); Int iBlkY = ( pcCU->getAddr() / pcCU->getSlice()->getIvPic (true, pcCU->getDvInfo(0).m_aVIdxCan)->getFrameWidthInCU() ) * g_uiMaxCUHeight + g_auiRasterToPelY[ g_auiZscanToRaster[ pcCU->getZorderIdxInCU() ] ]+ ((cDv.getVer()+2)>>2); if (iBlkX>(Int)(iPictureWidth - uiWidth)) { iSumDepth += pDepthPels[ iPictureWidth - iBlkX - 1 ]; uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ iPictureWidth - iBlkX - 1 ]); uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ iPictureWidth - iBlkX - 1 ]); } else { iSumDepth += pDepthPels[ uiWidth - 1 ]; uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ uiWidth - 1 ]); uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ uiWidth - 1 ]); } if (iBlkY>(Int)(iPictureHeight - uiHeight)) { iSumDepth += pDepthPels[ uiDepthStride * (iPictureHeight - iBlkY - 1) ]; uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ uiDepthStride * (iPictureHeight - iBlkY - 1) ]); uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ uiDepthStride * (iPictureHeight - iBlkY - 1) ]); } else { iSumDepth += pDepthPels[ uiDepthStride * (uiHeight - 1) ]; uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ uiDepthStride * (uiHeight - 1) ]); uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ uiDepthStride * (uiHeight - 1) ]); } if (iBlkY>(Int)(iPictureHeight - uiHeight) && iBlkX>(Int)(iPictureWidth - uiWidth)) { iSumDepth += pDepthPels[ uiDepthStride * (iPictureHeight - iBlkY - 1) + iPictureWidth - iBlkX - 1 ]; uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ uiDepthStride * (iPictureHeight - iBlkY - 1) + iPictureWidth - iBlkX - 1 ]); uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ uiDepthStride * (iPictureHeight - iBlkY - 1) + iPictureWidth - iBlkX - 1 ]); } else if (iBlkY>(Int)(iPictureHeight - uiHeight)) { iSumDepth += pDepthPels[ uiDepthStride * (iPictureHeight - iBlkY - 1) + uiWidth - 1 ]; uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ uiDepthStride * (iPictureHeight - iBlkY - 1) + uiWidth - 1 ]); uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ uiDepthStride * (iPictureHeight - iBlkY - 1) + uiWidth - 1 ]); } else if (iBlkX>(Int)(iPictureWidth - uiWidth)) { iSumDepth += pDepthPels[ uiDepthStride * (uiHeight - 1) + iPictureWidth - iBlkX - 1 ]; uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ uiDepthStride * (uiHeight - 1) + iPictureWidth - iBlkX - 1 ]); uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ uiDepthStride * (uiHeight - 1) + iPictureWidth - iBlkX - 1 ]); } else { iSumDepth += pDepthPels[ uiDepthStride * (uiHeight - 1) + uiWidth - 1 ]; uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ uiDepthStride * (uiHeight - 1) + uiWidth - 1 ]); uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ uiDepthStride * (uiHeight - 1) + uiWidth - 1 ]); } // don't generate mask for blocks with small depth range (encoder decision) if( uiMaxDepth - uiMinDepth < 10 ) { return false; } AOF(uiWidth==uiHeight); Int iMean = iSumDepth >> 2; // start again for segmentation pDepthPels = pDepthBlockStart; Bool bInvertMask = pDepthPels[0]>iMean; // top-left segment needs to be mapped to partIdx 0 // generate mask UInt t=0; UInt uiSumPix[2] = {0,0}; for (Int y=0; yiPictureWidth) { depthPel = pDepthPels[t]; } else { depthPel = pDepthPels[x]; t=x; } // decide which segment this pixel belongs to Int ucSegment = (Int)(depthPel>iMean); if( bInvertMask ) { ucSegment = 1-ucSegment; } // count pixels for each segment uiSumPix[ucSegment]++; // set mask value pMask[x] = (Bool)ucSegment; } // next row if (!(iBlkY+y+1>iPictureHeight)) pDepthPels += uiDepthStride; pMask += MAX_CU_SIZE; } // don't generate valid mask for tiny segments (encoder decision) // each segment needs to cover at least 1/8th of block UInt uiMinPixPerSegment = (uiWidth*uiHeight) >> 3; if( !( uiSumPix[0] > uiMinPixPerSegment && uiSumPix[1] > uiMinPixPerSegment ) ) { return false; } // all good return true; } Void TComPrediction::combineSegmentsWithMask( TComYuv* pInYuv[2], TComYuv* pOutYuv, Bool* pMask, UInt uiWidth, UInt uiHeight, UInt uiPartAddr, UInt partSize ) { Pel* piSrc[2] = {pInYuv[0]->getLumaAddr(uiPartAddr), pInYuv[1]->getLumaAddr(uiPartAddr)}; UInt uiSrcStride = pInYuv[0]->getStride(); Pel* piDst = pOutYuv->getLumaAddr(uiPartAddr); UInt uiDstStride = pOutYuv->getStride(); UInt uiMaskStride= MAX_CU_SIZE; Pel* tmpTar = 0; tmpTar = (Pel *)xMalloc(Pel, uiWidth*uiHeight); // backup pointer Bool* pMaskStart = pMask; // combine luma first for (Int y=0; y> 2 )) : tmpTar[y*uiWidth+x]; } piDst += uiDstStride; } } else // SIZE_2NxN { for (Int y=0; y> 2 )) : tmpTar[y*uiWidth+x]; } piDst += uiDstStride; } } if ( tmpTar ) { xFree(tmpTar); tmpTar = NULL; } // now combine chroma Pel* piSrcU[2] = { pInYuv[0]->getCbAddr(uiPartAddr), pInYuv[1]->getCbAddr(uiPartAddr) }; Pel* piSrcV[2] = { pInYuv[0]->getCrAddr(uiPartAddr), pInYuv[1]->getCrAddr(uiPartAddr) }; UInt uiSrcStrideC = pInYuv[0]->getCStride(); Pel* piDstU = pOutYuv->getCbAddr(uiPartAddr); Pel* piDstV = pOutYuv->getCrAddr(uiPartAddr); UInt uiDstStrideC = pOutYuv->getCStride(); UInt uiWidthC = uiWidth >> 1; UInt uiHeightC = uiHeight >> 1; Pel filSrcU = 0, filSrcV = 0; Pel* tmpTarU = 0, *tmpTarV = 0; tmpTarU = (Pel *)xMalloc(Pel, uiWidthC*uiHeightC); tmpTarV = (Pel *)xMalloc(Pel, uiWidthC*uiHeightC); pMask = pMaskStart; for (Int y=0; y> 2 )); filSrcV = ClipC( Pel(( leftV + (tmpTarV[y*uiWidthC+x] << 1) + rightV ) >> 2 )); } else { filSrcU = tmpTarU[y*uiWidthC+x]; filSrcV = tmpTarV[y*uiWidthC+x]; } piDstU[x] = filSrcU; piDstV[x] = filSrcV; } piDstU += uiDstStrideC; piDstV += uiDstStrideC; } } else { for (Int y=0; y> 2 )); filSrcV = ClipC( Pel(( topV + (tmpTarV[y*uiWidthC+x] << 1) + bottomV ) >> 2 )); } else { filSrcU = tmpTarU[y*uiWidthC+x]; filSrcV = tmpTarV[y*uiWidthC+x]; } piDstU[x] = filSrcU; piDstV[x] = filSrcV; } piDstU += uiDstStrideC; piDstV += uiDstStrideC; } } if( tmpTarU ) { xFree(tmpTarU); tmpTarU = NULL; } if ( tmpTarV ) { xFree(tmpTarV); tmpTarV = NULL; } } #endif Void TComPrediction::motionCompensation ( TComDataCU* pcCU, TComYuv* pcYuvPred, RefPicList eRefPicList, Int iPartIdx ) { Int iWidth; Int iHeight; UInt uiPartAddr; if ( iPartIdx >= 0 ) { pcCU->getPartIndexAndSize( iPartIdx, uiPartAddr, iWidth, iHeight ); #if H_3D_VSP if ( pcCU->getVSPFlag(uiPartAddr) == 0) { #endif if ( eRefPicList != REF_PIC_LIST_X ) { if( pcCU->getSlice()->getPPS()->getUseWP()) { xPredInterUni (pcCU, uiPartAddr, iWidth, iHeight, eRefPicList, pcYuvPred, true ); } else { xPredInterUni (pcCU, uiPartAddr, iWidth, iHeight, eRefPicList, pcYuvPred ); } if ( pcCU->getSlice()->getPPS()->getUseWP() ) { xWeightedPredictionUni( pcCU, pcYuvPred, uiPartAddr, iWidth, iHeight, eRefPicList, pcYuvPred ); } } else { #if H_3D_SPIVMP if ( pcCU->getSPIVMPFlag(uiPartAddr)!=0) { Int iNumSPInOneLine, iNumSP, iSPWidth, iSPHeight; pcCU->getSPPara(iWidth, iHeight, iNumSP, iNumSPInOneLine, iSPWidth, iSPHeight); UInt uiW[256], uiH[256]; UInt uiSPAddr[256]; xGetSubPUAddrAndMerge(pcCU, uiPartAddr, iSPWidth, iSPHeight, iNumSPInOneLine, iNumSP, uiW, uiH, uiSPAddr); //MC for (Int i = 0; i < iNumSP; i++) { if (uiW[i]==0 || uiH[i]==0) { continue; } if( xCheckIdenticalMotion( pcCU, uiSPAddr[i] )) { xPredInterUni (pcCU, uiSPAddr[i], uiW[i], uiH[i], REF_PIC_LIST_0, pcYuvPred ); } else { xPredInterBi (pcCU, uiSPAddr[i], uiW[i], uiH[i], pcYuvPred); } } } else { #endif if ( xCheckIdenticalMotion( pcCU, uiPartAddr ) ) { xPredInterUni (pcCU, uiPartAddr, iWidth, iHeight, REF_PIC_LIST_0, pcYuvPred ); } else { xPredInterBi (pcCU, uiPartAddr, iWidth, iHeight, pcYuvPred ); } #if H_3D_SPIVMP } #endif } #if H_3D_VSP } else { if ( xCheckIdenticalMotion( pcCU, uiPartAddr ) ) { xPredInterUniVSP( pcCU, uiPartAddr, iWidth, iHeight, REF_PIC_LIST_0, pcYuvPred ); } else { xPredInterBiVSP ( pcCU, uiPartAddr, iWidth, iHeight, pcYuvPred ); } } #endif return; } for ( iPartIdx = 0; iPartIdx < pcCU->getNumPartitions(); iPartIdx++ ) { pcCU->getPartIndexAndSize( iPartIdx, uiPartAddr, iWidth, iHeight ); #if H_3D_VSP if ( pcCU->getVSPFlag(uiPartAddr) == 0 ) { #endif if ( eRefPicList != REF_PIC_LIST_X ) { if( pcCU->getSlice()->getPPS()->getUseWP()) { xPredInterUni (pcCU, uiPartAddr, iWidth, iHeight, eRefPicList, pcYuvPred, true ); } else { xPredInterUni (pcCU, uiPartAddr, iWidth, iHeight, eRefPicList, pcYuvPred ); } if ( pcCU->getSlice()->getPPS()->getUseWP() ) { xWeightedPredictionUni( pcCU, pcYuvPred, uiPartAddr, iWidth, iHeight, eRefPicList, pcYuvPred ); } } else { #if H_3D_SPIVMP if (pcCU->getSPIVMPFlag(uiPartAddr)!=0) { Int iNumSPInOneLine, iNumSP, iSPWidth, iSPHeight; pcCU->getSPPara(iWidth, iHeight, iNumSP, iNumSPInOneLine, iSPWidth, iSPHeight); UInt uiW[256], uiH[256]; UInt uiSPAddr[256]; xGetSubPUAddrAndMerge(pcCU, uiPartAddr, iSPWidth, iSPHeight, iNumSPInOneLine, iNumSP, uiW, uiH, uiSPAddr); //MC for (Int i = 0; i < iNumSP; i++) { if (uiW[i]==0 || uiH[i]==0) { continue; } if( xCheckIdenticalMotion( pcCU, uiSPAddr[i] )) { xPredInterUni (pcCU, uiSPAddr[i], uiW[i], uiH[i], REF_PIC_LIST_0, pcYuvPred ); } else { xPredInterBi (pcCU, uiSPAddr[i], uiW[i], uiH[i], pcYuvPred); } } } else { #endif if ( xCheckIdenticalMotion( pcCU, uiPartAddr ) ) { xPredInterUni (pcCU, uiPartAddr, iWidth, iHeight, REF_PIC_LIST_0, pcYuvPred ); } else { xPredInterBi (pcCU, uiPartAddr, iWidth, iHeight, pcYuvPred ); } #if H_3D_SPIVMP } #endif } #if H_3D_VSP } else { if ( xCheckIdenticalMotion( pcCU, uiPartAddr ) ) { xPredInterUniVSP( pcCU, uiPartAddr, iWidth, iHeight, REF_PIC_LIST_0, pcYuvPred ); } else { xPredInterBiVSP ( pcCU, uiPartAddr, iWidth, iHeight, pcYuvPred ); } } #endif } return; } Void TComPrediction::xPredInterUni ( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, RefPicList eRefPicList, TComYuv* pcYuvPred, Bool bi ) { Int iRefIdx = pcCU->getCUMvField( eRefPicList )->getRefIdx( uiPartAddr ); assert (iRefIdx >= 0); TComMv cMv = pcCU->getCUMvField( eRefPicList )->getMv( uiPartAddr ); pcCU->clipMv(cMv); #if NH_MV pcCU->checkMvVertRest(cMv, eRefPicList, iRefIdx ); #endif #if H_3D_ARP if(pcCU->getARPW( uiPartAddr ) > 0 && pcCU->getSlice()->getRefPic( eRefPicList, iRefIdx )->getPOC()== pcCU->getSlice()->getPOC()) { xPredInterUniARPviewRef( pcCU , uiPartAddr , iWidth , iHeight , eRefPicList , rpcYuvPred , bi ); } else { if( pcCU->getARPW( uiPartAddr ) > 0 && pcCU->getPartitionSize(uiPartAddr)==SIZE_2Nx2N && pcCU->getSlice()->getRefPic( eRefPicList, iRefIdx )->getPOC()!= pcCU->getSlice()->getPOC() ) { xPredInterUniARP( pcCU, uiPartAddr, iWidth, iHeight, eRefPicList, rpcYuvPred, bi ); } else { #endif #if H_3D_IC Bool bICFlag = pcCU->getICFlag( uiPartAddr ) && ( pcCU->getSlice()->getRefPic( eRefPicList, iRefIdx )->getViewIndex() != pcCU->getSlice()->getViewIndex() ); xPredInterLumaBlk ( pcCU, pcCU->getSlice()->getRefPic( eRefPicList, iRefIdx )->getPicYuvRec(), uiPartAddr, &cMv, iWidth, iHeight, rpcYuvPred, bi #if H_3D_ARP , false #endif , bICFlag ); bICFlag = bICFlag && (iWidth > 8); xPredInterChromaBlk( pcCU, pcCU->getSlice()->getRefPic( eRefPicList, iRefIdx )->getPicYuvRec(), uiPartAddr, &cMv, iWidth, iHeight, rpcYuvPred, bi #if H_3D_ARP , false #endif , bICFlag ); #else for (UInt comp=COMPONENT_Y; compgetNumberValidComponents(); comp++) { const ComponentID compID=ComponentID(comp); xPredInterBlk (compID, pcCU, pcCU->getSlice()->getRefPic( eRefPicList, iRefIdx )->getPicYuvRec(), uiPartAddr, &cMv, iWidth, iHeight, pcYuvPred, bi, pcCU->getSlice()->getSPS()->getBitDepth(toChannelType(compID)) ); } #endif #if H_3D_ARP } } #endif } #if H_3D_VSP Void TComPrediction::xPredInterUniVSP( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, RefPicList eRefPicList, TComYuv*& rpcYuvPred, Bool bi ) { Int vspSize = pcCU->getVSPFlag( uiPartAddr ) >> 1; Int widthSubPU, heightSubPU; if (vspSize) { widthSubPU = 8; heightSubPU = 4; } else { widthSubPU = 4; heightSubPU = 8; } xPredInterUniSubPU( pcCU, uiPartAddr, iWidth, iHeight, eRefPicList, rpcYuvPred, bi, widthSubPU, heightSubPU ); } Void TComPrediction::xPredInterUniSubPU( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, RefPicList eRefPicList, TComYuv*& rpcYuvPred, Bool bi, Int widthSubPU, Int heightSubPU ) { UInt numPartsInLine = pcCU->getPic()->getNumPartInWidth(); UInt horiNumPartsInSubPU = widthSubPU >> 2; UInt vertNumPartsInSubPU = (heightSubPU >> 2) * numPartsInLine; UInt partAddrRasterLine = g_auiZscanToRaster[ uiPartAddr ]; for( Int posY=0; posYgetCUMvField( eRefPicList )->getRefIdx( partAddrSubPU ); assert (refIdx >= 0); TComMv cMv = pcCU->getCUMvField( eRefPicList )->getMv( partAddrSubPU ); pcCU->clipMv(cMv); xPredInterLumaBlk ( pcCU, pcCU->getSlice()->getRefPic( eRefPicList, refIdx )->getPicYuvRec(), partAddrSubPU, &cMv, widthSubPU, heightSubPU, rpcYuvPred, bi ); xPredInterChromaBlk( pcCU, pcCU->getSlice()->getRefPic( eRefPicList, refIdx )->getPicYuvRec(), partAddrSubPU, &cMv, widthSubPU, heightSubPU, rpcYuvPred, bi ); } } } #endif #if H_3D_ARP Void TComPrediction::xPredInterUniARP( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, RefPicList eRefPicList, TComYuv*& rpcYuvPred, Bool bi, TComMvField * pNewMvFiled ) { Int iRefIdx = pNewMvFiled ? pNewMvFiled->getRefIdx() : pcCU->getCUMvField( eRefPicList )->getRefIdx( uiPartAddr ); TComMv cMv = pNewMvFiled ? pNewMvFiled->getMv() : pcCU->getCUMvField( eRefPicList )->getMv( uiPartAddr ); Bool bTobeScaled = false; TComPic* pcPicYuvBaseCol = NULL; TComPic* pcPicYuvBaseRef = NULL; #if H_3D_NBDV DisInfo cDistparity; cDistparity.m_acNBDV = pcCU->getDvInfo(0).m_acNBDV; cDistparity.m_aVIdxCan = pcCU->getDvInfo(uiPartAddr).m_aVIdxCan; #else assert(0); // ARP can be applied only when a DV is available #endif UChar dW = pcCU->getARPW ( uiPartAddr ); { Int arpRefIdx = pcCU->getSlice()->getFirstTRefIdx(eRefPicList); if( dW > 0 && pcCU->getSlice()->getRefPic( eRefPicList, arpRefIdx )->getPOC()!= pcCU->getSlice()->getPOC() ) { bTobeScaled = true; } pcPicYuvBaseCol = pcCU->getSlice()->getBaseViewRefPic( pcCU->getSlice()->getPOC(), cDistparity.m_aVIdxCan ); pcPicYuvBaseRef = pcCU->getSlice()->getBaseViewRefPic( pcCU->getSlice()->getRefPic( eRefPicList, arpRefIdx )->getPOC(), cDistparity.m_aVIdxCan ); if (!pcCU->getSlice()->getArpRefPicAvailable( eRefPicList, cDistparity.m_aVIdxCan)) { dW = 0; bTobeScaled = false; } else { assert( pcPicYuvBaseCol->getPOC() == pcCU->getSlice()->getPOC() && pcPicYuvBaseRef->getPOC() == pcCU->getSlice()->getRefPic( eRefPicList, arpRefIdx )->getPOC() ); } if(bTobeScaled) { Int iCurrPOC = pcCU->getSlice()->getPOC(); Int iColRefPOC = pcCU->getSlice()->getRefPOC( eRefPicList, iRefIdx ); Int iCurrRefPOC = pcCU->getSlice()->getRefPOC( eRefPicList, 0); Int iScale = pcCU-> xGetDistScaleFactor(iCurrPOC, iCurrRefPOC, iCurrPOC, iColRefPOC); if ( iScale != 4096 ) { cMv = cMv.scaleMv( iScale ); } iRefIdx = 0; } } pcCU->clipMv(cMv); TComPicYuv* pcPicYuvRef = pcCU->getSlice()->getRefPic( eRefPicList, iRefIdx )->getPicYuvRec(); xPredInterLumaBlk ( pcCU, pcPicYuvRef, uiPartAddr, &cMv, iWidth, iHeight, rpcYuvPred, bi || ( dW > 0 ), true ); xPredInterChromaBlk( pcCU, pcPicYuvRef, uiPartAddr, &cMv, iWidth, iHeight, rpcYuvPred, bi || ( dW > 0 ), true ); if( dW > 0 ) { TComYuv * pYuvB0 = &m_acYuvPredBase[0]; TComYuv * pYuvB1 = &m_acYuvPredBase[1]; TComMv cMVwithDisparity = cMv + cDistparity.m_acNBDV; pcCU->clipMv(cMVwithDisparity); if (iWidth <= 8) { pYuvB0->clear(); pYuvB1->clear(); } TComMv cNBDV = cDistparity.m_acNBDV; pcCU->clipMv( cNBDV ); pcPicYuvRef = pcPicYuvBaseCol->getPicYuvRec(); xPredInterLumaBlk ( pcCU, pcPicYuvRef, uiPartAddr, &cNBDV, iWidth, iHeight, pYuvB0, true, true ); if (iWidth > 8) xPredInterChromaBlk( pcCU, pcPicYuvRef, uiPartAddr, &cNBDV, iWidth, iHeight, pYuvB0, true, true ); pcPicYuvRef = pcPicYuvBaseRef->getPicYuvRec(); xPredInterLumaBlk ( pcCU, pcPicYuvRef, uiPartAddr, &cMVwithDisparity, iWidth, iHeight, pYuvB1, true, true ); if (iWidth > 8) xPredInterChromaBlk( pcCU, pcPicYuvRef, uiPartAddr, &cMVwithDisparity, iWidth, iHeight, pYuvB1, true, true ); pYuvB0->subtractARP( pYuvB0 , pYuvB1 , uiPartAddr , iWidth , iHeight ); if( 2 == dW ) { pYuvB0->multiplyARP( uiPartAddr , iWidth , iHeight , dW ); } rpcYuvPred->addARP( rpcYuvPred , pYuvB0 , uiPartAddr , iWidth , iHeight , !bi ); } } Bool TComPrediction::xCheckBiInterviewARP( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, RefPicList eBaseRefPicList, TComPic*& pcPicYuvCurrTRef, TComMv& cBaseTMV, Int& iCurrTRefPoc ) { Int iRefIdx = pcCU->getCUMvField( eBaseRefPicList )->getRefIdx( uiPartAddr ); TComMv cDMv = pcCU->getCUMvField( eBaseRefPicList )->getMv( uiPartAddr ); TComPic* pcPicYuvBaseCol = pcCU->getSlice()->getRefPic( eBaseRefPicList, iRefIdx ); TComPicYuv* pcYuvBaseCol = pcPicYuvBaseCol->getPicYuvRec(); Int uiLCUAddr,uiAbsPartAddr; Int irefPUX = pcCU->getCUPelX() + g_auiRasterToPelX[g_auiZscanToRaster[uiPartAddr]] + iWidth/2 + ((cDMv.getHor() + 2)>>2); Int irefPUY = pcCU->getCUPelY() + g_auiRasterToPelY[g_auiZscanToRaster[uiPartAddr]] + iHeight/2 + ((cDMv.getVer() + 2)>>2); irefPUX = (Int)Clip3(0, pcCU->getSlice()->getSPS()-> getPicWidthInLumaSamples()-1, irefPUX); irefPUY = (Int)Clip3(0, pcCU->getSlice()->getSPS()->getPicHeightInLumaSamples()-1, irefPUY); pcYuvBaseCol->getCUAddrAndPartIdx( irefPUX, irefPUY, uiLCUAddr, uiAbsPartAddr); TComDataCU *pColCU = pcPicYuvBaseCol->getCU( uiLCUAddr ); TComPic* pcPicYuvBaseTRef = NULL; pcPicYuvCurrTRef = NULL; //If there is available motion in base reference list, use it if(!pColCU->isIntra(uiAbsPartAddr)) { for(Int iList = 0; iList < (pColCU->getSlice()->isInterB() ? 2: 1); iList ++) { RefPicList eRefPicListCurr = RefPicList(iList); Int iRef = pColCU->getCUMvField(eRefPicListCurr)->getRefIdx(uiAbsPartAddr); if( iRef != -1) { pcPicYuvBaseTRef = pColCU->getSlice()->getRefPic(eRefPicListCurr, iRef); Int iCurrPOC = pColCU->getSlice()->getPOC(); Int iCurrRefPOC = pcPicYuvBaseTRef->getPOC(); Int iCurrRef = pcCU->getSlice()->getFirstTRefIdx(eRefPicListCurr); if( iCurrRef >= 0 && iCurrPOC != iCurrRefPOC) { pcPicYuvCurrTRef = pcCU->getSlice()->getRefPic(eRefPicListCurr,iCurrRef); Int iTargetPOC = pcPicYuvCurrTRef->getPOC(); pcPicYuvBaseTRef = pcCU->getSlice()->getBaseViewRefPic(iTargetPOC, pcPicYuvBaseCol->getViewIndex() ); if(pcPicYuvBaseTRef) { cBaseTMV = pColCU->getCUMvField(eRefPicListCurr)->getMv(uiAbsPartAddr); Int iScale = pcCU-> xGetDistScaleFactor(iCurrPOC, iTargetPOC, iCurrPOC, iCurrRefPOC); if ( iScale != 4096 ) { cBaseTMV = cBaseTMV.scaleMv( iScale ); } iCurrTRefPoc = iTargetPOC; return true; } } } } } //If there is no available motion in base reference list, use ( 0, 0 ) if( pcCU->getSlice()->getFirstTRefIdx( eBaseRefPicList ) >= 0 ) { cBaseTMV.set( 0, 0 ); pcPicYuvCurrTRef = pcCU->getSlice()->getRefPic( eBaseRefPicList, pcCU->getSlice()->getFirstTRefIdx( eBaseRefPicList ) ); iCurrTRefPoc = pcPicYuvCurrTRef->getPOC(); return true; } return false; } Void TComPrediction::xPredInterUniARPviewRef( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, RefPicList eRefPicList, TComYuv*& rpcYuvPred, Bool bi, TComMvField * pNewMvFiled ) { Int iRefIdx = pcCU->getCUMvField( eRefPicList )->getRefIdx( uiPartAddr ); TComMv cDMv = pcCU->getCUMvField( eRefPicList )->getMv( uiPartAddr ); TComMv cTempDMv = cDMv; UChar dW = pcCU->getARPW ( uiPartAddr ); TComPic* pcPicYuvBaseTRef = NULL; TComPic* pcPicYuvCurrTRef = NULL; TComPic* pcPicYuvBaseCol = pcCU->getSlice()->getRefPic( eRefPicList, iRefIdx ); TComPicYuv* pcYuvBaseCol = pcPicYuvBaseCol->getPicYuvRec(); Bool bTMVAvai = false; TComMv cBaseTMV; if( pNewMvFiled ) { iRefIdx = pNewMvFiled->getRefIdx(); cDMv = pNewMvFiled->getMv(); } pcCU->clipMv(cTempDMv); assert(dW > 0); if (!pcCU->getSlice()->getArpRefPicAvailable( eRefPicList, pcPicYuvBaseCol->getViewIndex())) { dW = 0; } Int uiLCUAddr,uiAbsPartAddr; Int irefPUX = pcCU->getCUPelX() + g_auiRasterToPelX[g_auiZscanToRaster[uiPartAddr]] + iWidth/2 + ((cDMv.getHor() + 2)>>2); Int irefPUY = pcCU->getCUPelY() + g_auiRasterToPelY[g_auiZscanToRaster[uiPartAddr]] + iHeight/2 + ((cDMv.getVer() + 2)>>2); irefPUX = (Int)Clip3(0, pcCU->getSlice()->getSPS()-> getPicWidthInLumaSamples()-1, irefPUX); irefPUY = (Int)Clip3(0, pcCU->getSlice()->getSPS()->getPicHeightInLumaSamples()-1, irefPUY); pcYuvBaseCol->getCUAddrAndPartIdx( irefPUX, irefPUY, uiLCUAddr, uiAbsPartAddr); TComDataCU *pColCU = pcPicYuvBaseCol->getCU( uiLCUAddr ); if( pcCU->getSlice()->isInterB() && !pcCU->getSlice()->getIsDepth() ) { RefPicList eOtherRefList = ( eRefPicList == REF_PIC_LIST_0 ) ? REF_PIC_LIST_1 : REF_PIC_LIST_0; Int iOtherRefIdx = pcCU->getCUMvField( eOtherRefList )->getRefIdx( uiPartAddr ); //The other prediction direction is temporal ARP if( iOtherRefIdx >= 0 && pcCU->getSlice()->getViewIndex() == pcCU->getSlice()->getRefPic( eOtherRefList, iOtherRefIdx )->getViewIndex() ) { bTMVAvai = true; pcPicYuvBaseTRef = pcCU->getSlice()->getRefPic( eOtherRefList, iOtherRefIdx ); Int iCurrPOC = pcCU->getSlice()->getPOC(); Int iCurrRefPOC = pcPicYuvBaseTRef->getPOC(); Int iCurrRef = pcCU->getSlice()->getFirstTRefIdx( eOtherRefList ); if( iCurrRef >= 0 ) { pcPicYuvCurrTRef = pcCU->getSlice()->getRefPic( eOtherRefList,iCurrRef ); Int iTargetPOC = pcPicYuvCurrTRef->getPOC(); pcPicYuvBaseTRef = pcCU->getSlice()->getBaseViewRefPic( iTargetPOC, pcPicYuvBaseCol->getViewIndex() ); if( pcPicYuvBaseTRef ) { cBaseTMV = pcCU->getCUMvField( eOtherRefList )->getMv( uiPartAddr ); Int iScale = pcCU-> xGetDistScaleFactor( iCurrPOC, iTargetPOC, iCurrPOC, iCurrRefPOC ); if ( iScale != 4096 ) { cBaseTMV = cBaseTMV.scaleMv( iScale ); } } else { dW = 0; } } else { dW = 0; } } //Both prediction directions are inter-view ARP if ( iOtherRefIdx >= 0 && !bTMVAvai ) { RefPicList eBaseList = REF_PIC_LIST_0; Int iCurrTRefPoc; bTMVAvai = ( eBaseList != eRefPicList ) && ( pcCU->getSlice()->getViewIndex() != pcCU->getSlice()->getRefPic( eOtherRefList, iOtherRefIdx )->getViewIndex() ); if ( bTMVAvai ) { if( xCheckBiInterviewARP( pcCU, uiPartAddr, iWidth, iHeight, eBaseList, pcPicYuvCurrTRef, cBaseTMV, iCurrTRefPoc ) ) { pcPicYuvBaseTRef = pcCU->getSlice()->getBaseViewRefPic( iCurrTRefPoc, pcPicYuvBaseCol->getViewIndex() ); if ( pcPicYuvBaseTRef == NULL ) { dW = 0; } } else { dW = 0; } } } } if( !pColCU->isIntra( uiAbsPartAddr ) && !bTMVAvai ) { TComMvField puMVField; for(Int iList = 0; iList < (pColCU->getSlice()->isInterB() ? 2: 1) && !bTMVAvai; iList ++) { RefPicList eRefPicListCurr = RefPicList(iList); Int iRef = pColCU->getCUMvField(eRefPicListCurr)->getRefIdx(uiAbsPartAddr); if( iRef != -1) { pcPicYuvBaseTRef = pColCU->getSlice()->getRefPic(eRefPicListCurr, iRef); Int iCurrPOC = pColCU->getSlice()->getPOC(); Int iCurrRefPOC = pcPicYuvBaseTRef->getPOC(); Int iCurrRef = pcCU->getSlice()->getFirstTRefIdx(eRefPicListCurr); if (iCurrRef >= 0 && iCurrRefPOC != iCurrPOC) { pcPicYuvCurrTRef = pcCU->getSlice()->getRefPic(eRefPicListCurr,iCurrRef); Int iTargetPOC = pcPicYuvCurrTRef->getPOC(); { pcPicYuvBaseTRef = pcCU->getSlice()->getBaseViewRefPic(iTargetPOC, pcPicYuvBaseCol->getViewIndex() ); if(pcPicYuvBaseTRef) { cBaseTMV = pColCU->getCUMvField(eRefPicListCurr)->getMv(uiAbsPartAddr); Int iScale = pcCU-> xGetDistScaleFactor(iCurrPOC, iTargetPOC, iCurrPOC, iCurrRefPOC); if ( iScale != 4096 ) cBaseTMV = cBaseTMV.scaleMv( iScale ); bTMVAvai = true; break; } } } } } } if (bTMVAvai == false) { bTMVAvai = true; cBaseTMV.set(0, 0); pcPicYuvBaseTRef = pColCU->getSlice()->getRefPic(eRefPicList, pcCU->getSlice()->getFirstTRefIdx(eRefPicList)); pcPicYuvCurrTRef = pcCU->getSlice()->getRefPic (eRefPicList, pcCU->getSlice()->getFirstTRefIdx(eRefPicList)); } xPredInterLumaBlk ( pcCU, pcYuvBaseCol, uiPartAddr, &cTempDMv, iWidth, iHeight, rpcYuvPred, bi || ( dW > 0 && bTMVAvai ), bTMVAvai); xPredInterChromaBlk( pcCU, pcYuvBaseCol, uiPartAddr, &cTempDMv, iWidth, iHeight, rpcYuvPred, bi || ( dW > 0 && bTMVAvai ), bTMVAvai); if( dW > 0 && bTMVAvai ) { TComYuv* pYuvCurrTRef = &m_acYuvPredBase[0]; TComYuv* pYuvBaseTRef = &m_acYuvPredBase[1]; TComPicYuv* pcYuvCurrTref = pcPicYuvCurrTRef->getPicYuvRec(); TComPicYuv* pcYuvBaseTref = pcPicYuvBaseTRef->getPicYuvRec(); TComMv cTempMv = cDMv + cBaseTMV; pcCU->clipMv(cBaseTMV); pcCU->clipMv(cTempMv); if (iWidth <= 8) { pYuvCurrTRef->clear(); pYuvBaseTRef->clear(); } xPredInterLumaBlk ( pcCU, pcYuvCurrTref, uiPartAddr, &cBaseTMV, iWidth, iHeight, pYuvCurrTRef, true, true); if (iWidth > 8) xPredInterChromaBlk( pcCU, pcYuvCurrTref, uiPartAddr, &cBaseTMV, iWidth, iHeight, pYuvCurrTRef, true, true); xPredInterLumaBlk ( pcCU, pcYuvBaseTref, uiPartAddr, &cTempMv, iWidth, iHeight, pYuvBaseTRef, true, true); if (iWidth > 8) xPredInterChromaBlk( pcCU, pcYuvBaseTref, uiPartAddr, &cTempMv, iWidth, iHeight, pYuvBaseTRef, true, true); pYuvCurrTRef->subtractARP( pYuvCurrTRef , pYuvBaseTRef , uiPartAddr , iWidth , iHeight ); if(dW == 2) { pYuvCurrTRef->multiplyARP( uiPartAddr , iWidth , iHeight , dW ); } rpcYuvPred->addARP( rpcYuvPred , pYuvCurrTRef , uiPartAddr , iWidth , iHeight , !bi ); } } #endif Void TComPrediction::xPredInterBi ( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, TComYuv* pcYuvPred ) { TComYuv* pcMbYuv; Int iRefIdx[NUM_REF_PIC_LIST_01] = {-1, -1}; for ( UInt refList = 0; refList < NUM_REF_PIC_LIST_01; refList++ ) { RefPicList eRefPicList = (refList ? REF_PIC_LIST_1 : REF_PIC_LIST_0); iRefIdx[refList] = pcCU->getCUMvField( eRefPicList )->getRefIdx( uiPartAddr ); if ( iRefIdx[refList] < 0 ) { continue; } assert( iRefIdx[refList] < pcCU->getSlice()->getNumRefIdx(eRefPicList) ); pcMbYuv = &m_acYuvPred[refList]; if( pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiPartAddr ) >= 0 && pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiPartAddr ) >= 0 ) { xPredInterUni ( pcCU, uiPartAddr, iWidth, iHeight, eRefPicList, pcMbYuv, true ); } else { if ( ( pcCU->getSlice()->getPPS()->getUseWP() && pcCU->getSlice()->getSliceType() == P_SLICE ) || ( pcCU->getSlice()->getPPS()->getWPBiPred() && pcCU->getSlice()->getSliceType() == B_SLICE ) ) { xPredInterUni ( pcCU, uiPartAddr, iWidth, iHeight, eRefPicList, pcMbYuv, true ); } else { xPredInterUni ( pcCU, uiPartAddr, iWidth, iHeight, eRefPicList, pcMbYuv ); } } } if ( pcCU->getSlice()->getPPS()->getWPBiPred() && pcCU->getSlice()->getSliceType() == B_SLICE ) { xWeightedPredictionBi( pcCU, &m_acYuvPred[REF_PIC_LIST_0], &m_acYuvPred[REF_PIC_LIST_1], iRefIdx[REF_PIC_LIST_0], iRefIdx[REF_PIC_LIST_1], uiPartAddr, iWidth, iHeight, pcYuvPred ); } else if ( pcCU->getSlice()->getPPS()->getUseWP() && pcCU->getSlice()->getSliceType() == P_SLICE ) { xWeightedPredictionUni( pcCU, &m_acYuvPred[REF_PIC_LIST_0], uiPartAddr, iWidth, iHeight, REF_PIC_LIST_0, pcYuvPred ); } else { xWeightedAverage( &m_acYuvPred[REF_PIC_LIST_0], &m_acYuvPred[REF_PIC_LIST_1], iRefIdx[REF_PIC_LIST_0], iRefIdx[REF_PIC_LIST_1], uiPartAddr, iWidth, iHeight, pcYuvPred, pcCU->getSlice()->getSPS()->getBitDepths() ); } } #if H_3D_VSP Void TComPrediction::xPredInterBiVSP( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, TComYuv*& rpcYuvPred ) { TComYuv* pcMbYuv; Int iRefIdx[2] = {-1, -1}; Bool bi = (pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiPartAddr ) >= 0 && pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiPartAddr ) >= 0); for ( Int iRefList = 0; iRefList < 2; iRefList++ ) { RefPicList eRefPicList = RefPicList(iRefList); iRefIdx[iRefList] = pcCU->getCUMvField( eRefPicList )->getRefIdx( uiPartAddr ); if ( iRefIdx[iRefList] < 0 ) { continue; } assert( iRefIdx[iRefList] < pcCU->getSlice()->getNumRefIdx(eRefPicList) ); pcMbYuv = &m_acYuvPred[iRefList]; xPredInterUniVSP ( pcCU, uiPartAddr, iWidth, iHeight, eRefPicList, pcMbYuv, bi ); } xWeightedAverage( &m_acYuvPred[0], &m_acYuvPred[1], iRefIdx[0], iRefIdx[1], uiPartAddr, iWidth, iHeight, rpcYuvPred ); } #endif /** * \brief Generate motion-compensated block * * \param compID Colour component ID * \param cu Pointer to current CU * \param refPic Pointer to reference picture * \param partAddr Address of block within CU * \param mv Motion vector * \param width Width of block * \param height Height of block * \param dstPic Pointer to destination picture * \param bi Flag indicating whether bipred is used * \param bitDepth Bit depth */ Void TComPrediction::xPredInterBlk(const ComponentID compID, TComDataCU *cu, TComPicYuv *refPic, UInt partAddr, TComMv *mv, Int width, Int height, TComYuv *dstPic, Bool bi, const Int bitDepth #if H_3D_ARP , Bool filterType #endif #if H_3D_IC , Bool bICFlag #endif ) { Int refStride = refPic->getStride(compID); Int dstStride = dstPic->getStride(compID); Int shiftHor=(2+refPic->getComponentScaleX(compID)); Int shiftVer=(2+refPic->getComponentScaleY(compID)); Int refOffset = (mv->getHor() >> shiftHor) + (mv->getVer() >> shiftVer) * refStride; Pel* ref = refPic->getAddr(compID, cu->getCtuRsAddr(), cu->getZorderIdxInCtu() + partAddr ) + refOffset; Pel* dst = dstPic->getAddr( compID, partAddr ); Int xFrac = mv->getHor() & ((1<getVer() & ((1<getSlice()->getIsDepth() ) { refOffset = mv->getHor() + mv->getVer() * refStride; ref = refPic->getLumaAddr( cu->getAddr(), cu->getZorderIdxInCU() + partAddr ) + refOffset; xFrac = 0; yFrac = 0; } #endif UInt cxWidth = width >> refPic->getComponentScaleX(compID); UInt cxHeight = height >> refPic->getComponentScaleY(compID); const ChromaFormat chFmt = cu->getPic()->getChromaFormat(); if ( yFrac == 0 ) { #if H_3D_IC m_if.filterHorLuma( ref, refStride, dst, dstStride, width, height, xFrac, !bi || bICFlag #else m_if.filterHor(compID, ref, refStride, dst, dstStride, cxWidth, cxHeight, xFrac, !bi, chFmt, bitDepth #endif #if H_3D_ARP , filterType #endif ); } else if ( xFrac == 0 ) { #if H_3D_IC m_if.filterVerLuma( ref, refStride, dst, dstStride, width, height, yFrac, true, !bi || bICFlag #else m_if.filterVer(compID, ref, refStride, dst, dstStride, cxWidth, cxHeight, yFrac, true, !bi, chFmt, bitDepth #endif #if H_3D_ARP , filterType #endif ); } else { Int tmpStride = m_filteredBlockTmp[0].getStride(compID); Pel* tmp = m_filteredBlockTmp[0].getAddr(compID); const Int vFilterSize = isLuma(compID) ? NTAPS_LUMA : NTAPS_CHROMA; m_if.filterHor(compID, ref - ((vFilterSize>>1) -1)*refStride, refStride, tmp, tmpStride, cxWidth, cxHeight+vFilterSize-1, xFrac, false, chFmt, bitDepth #if H_3D_ARP , filterType #endif ); #if H_3D_IC m_if.filterVerLuma(tmp + (halfFilterSize-1)*tmpStride, tmpStride, dst, dstStride, width, height, yFrac, false, !bi || bICFlag #else m_if.filterVer(compID, tmp + ((vFilterSize>>1) -1)*tmpStride, tmpStride, dst, dstStride, cxWidth, cxHeight, yFrac, false, !bi, chFmt, bitDepth #endif #if H_3D_ARP , filterType #endif ); } #if H_3D_IC if( bICFlag ) { Int a, b, i, j; const Int iShift = IC_CONST_SHIFT; xGetLLSICPrediction( cu, mv, refPic, a, b, TEXT_LUMA ); for ( i = 0; i < height; i++ ) { for ( j = 0; j < width; j++ ) { dst[j] = Clip3( 0, ( 1 << g_bitDepthY ) - 1, ( ( a*dst[j] ) >> iShift ) + b ); } dst += dstStride; } if(bi) { Pel *dst2 = dstPic->getLumaAddr( partAddr ); Int shift = IF_INTERNAL_PREC - g_bitDepthY; for (i = 0; i < height; i++) { for (j = 0; j < width; j++) { Short val = dst2[j] << shift; dst2[j] = val - (Short)IF_INTERNAL_OFFS; } dst2 += dstStride; } } } #endif } #if H_3D_ARP , Bool filterType #endif #if H_3D_IC , Bool bICFlag #endif #if H_3D_IC m_if.filterHorChroma(refCb, refStride, dstCb, dstStride, cxWidth, cxHeight, xFrac, !bi || bICFlag #else #endif #if H_3D_ARP , filterType #endif #if H_3D_IC m_if.filterHorChroma(refCr, refStride, dstCr, dstStride, cxWidth, cxHeight, xFrac, !bi || bICFlag #else #endif #if H_3D_ARP , filterType #endif #if H_3D_IC m_if.filterVerChroma(refCb, refStride, dstCb, dstStride, cxWidth, cxHeight, yFrac, true, !bi || bICFlag #else #endif #if H_3D_ARP , filterType #endif #if H_3D_IC m_if.filterVerChroma(refCr, refStride, dstCr, dstStride, cxWidth, cxHeight, yFrac, true, !bi || bICFlag #else #endif #if H_3D_ARP , filterType #endif #if H_3D_ARP , filterType #endif #if H_3D_IC m_if.filterVerChroma(extY + (halfFilterSize-1)*extStride, extStride, dstCb, dstStride, cxWidth, cxHeight , yFrac, false, !bi || bICFlag #else #endif #if H_3D_ARP , filterType #endif #if H_3D_ARP , filterType #endif #if H_3D_IC m_if.filterVerChroma(extY + (halfFilterSize-1)*extStride, extStride, dstCr, dstStride, cxWidth, cxHeight , yFrac, false, !bi || bICFlag #else #endif #if H_3D_ARP , filterType #endif #if H_3D_IC if( bICFlag ) { Int a, b, i, j; const Int iShift = IC_CONST_SHIFT; xGetLLSICPrediction( cu, mv, refPic, a, b, TEXT_CHROMA_U ); // Cb for ( i = 0; i < cxHeight; i++ ) { for ( j = 0; j < cxWidth; j++ ) { dstCb[j] = Clip3( 0, ( 1 << g_bitDepthC ) - 1, ( ( a*dstCb[j] ) >> iShift ) + b ); } dstCb += dstStride; } xGetLLSICPrediction( cu, mv, refPic, a, b, TEXT_CHROMA_V ); // Cr for ( i = 0; i < cxHeight; i++ ) { for ( j = 0; j < cxWidth; j++ ) { dstCr[j] = Clip3( 0, ( 1 << g_bitDepthC ) - 1, ( ( a*dstCr[j] ) >> iShift ) + b ); } dstCr += dstStride; } if(bi) { Pel* dstCb2 = dstPic->getCbAddr( partAddr ); Pel* dstCr2 = dstPic->getCrAddr( partAddr ); Int shift = IF_INTERNAL_PREC - g_bitDepthC; for (i = 0; i < cxHeight; i++) { for (j = 0; j < cxWidth; j++) { Short val = dstCb2[j] << shift; dstCb2[j] = val - (Short)IF_INTERNAL_OFFS; val = dstCr2[j] << shift; dstCr2[j] = val - (Short)IF_INTERNAL_OFFS; } dstCb2 += dstStride; dstCr2 += dstStride; } } } #endif Void TComPrediction::xWeightedAverage( TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, Int iRefIdx0, Int iRefIdx1, UInt uiPartIdx, Int iWidth, Int iHeight, TComYuv* pcYuvDst, const BitDepths &clipBitDepths ) { if( iRefIdx0 >= 0 && iRefIdx1 >= 0 ) { pcYuvDst->addAvg( pcYuvSrc0, pcYuvSrc1, uiPartIdx, iWidth, iHeight, clipBitDepths ); } else if ( iRefIdx0 >= 0 && iRefIdx1 < 0 ) { pcYuvSrc0->copyPartToPartYuv( pcYuvDst, uiPartIdx, iWidth, iHeight ); } else if ( iRefIdx0 < 0 && iRefIdx1 >= 0 ) { pcYuvSrc1->copyPartToPartYuv( pcYuvDst, uiPartIdx, iWidth, iHeight ); } } // AMVP Void TComPrediction::getMvPredAMVP( TComDataCU* pcCU, UInt uiPartIdx, UInt uiPartAddr, RefPicList eRefPicList, TComMv& rcMvPred ) { AMVPInfo* pcAMVPInfo = pcCU->getCUMvField(eRefPicList)->getAMVPInfo(); if( pcAMVPInfo->iN <= 1 ) { rcMvPred = pcAMVPInfo->m_acMvCand[0]; pcCU->setMVPIdxSubParts( 0, eRefPicList, uiPartAddr, uiPartIdx, pcCU->getDepth(uiPartAddr)); pcCU->setMVPNumSubParts( pcAMVPInfo->iN, eRefPicList, uiPartAddr, uiPartIdx, pcCU->getDepth(uiPartAddr)); return; } assert(pcCU->getMVPIdx(eRefPicList,uiPartAddr) >= 0); rcMvPred = pcAMVPInfo->m_acMvCand[pcCU->getMVPIdx(eRefPicList,uiPartAddr)]; return; } /** Function for deriving planar intra prediction. * \param pSrc pointer to reconstructed sample array * \param srcStride the stride of the reconstructed sample array * \param rpDst reference to pointer for the prediction sample array * \param dstStride the stride of the prediction sample array * \param width the width of the block * \param height the height of the block * \param channelType type of pel array (luma, chroma) * \param format chroma format * * This function derives the prediction samples for planar mode (intra coding). */ //NOTE: Bit-Limit - 24-bit source Void TComPrediction::xPredIntraPlanar( const Pel* pSrc, Int srcStride, Pel* rpDst, Int dstStride, UInt width, UInt height ) { assert(width <= height); Int leftColumn[MAX_CU_SIZE+1], topRow[MAX_CU_SIZE+1], bottomRow[MAX_CU_SIZE], rightColumn[MAX_CU_SIZE]; UInt shift1Dhor = g_aucConvertToBit[ width ] + 2; UInt shift1Dver = g_aucConvertToBit[ height ] + 2; // Get left and above reference column and row for(Int k=0;k>topRowShift); rpDst[y*dstStride+x] = ( horPred + vertPred ) >> (shift1Dhor+1); } } } /** Function for filtering intra DC predictor. * \param pSrc pointer to reconstructed sample array * \param iSrcStride the stride of the reconstructed sample array * \param pDst reference to pointer for the prediction sample array * \param iDstStride the stride of the prediction sample array * \param iWidth the width of the block * \param iHeight the height of the block * \param channelType type of pel array (luma, chroma) * * This function performs filtering left and top edges of the prediction samples for DC mode (intra coding). */ Void TComPrediction::xDCPredFiltering( const Pel* pSrc, Int iSrcStride, Pel* pDst, Int iDstStride, Int iWidth, Int iHeight, ChannelType channelType ) { Int x, y, iDstStride2, iSrcStride2; if (isLuma(channelType) && (iWidth <= MAXIMUM_INTRA_FILTERED_WIDTH) && (iHeight <= MAXIMUM_INTRA_FILTERED_HEIGHT)) { //top-left pDst[0] = (Pel)((pSrc[-iSrcStride] + pSrc[-1] + 2 * pDst[0] + 2) >> 2); //top row (vertical filter) for ( x = 1; x < iWidth; x++ ) { pDst[x] = (Pel)((pSrc[x - iSrcStride] + 3 * pDst[x] + 2) >> 2); } //left column (horizontal filter) for ( y = 1, iDstStride2 = iDstStride, iSrcStride2 = iSrcStride-1; y < iHeight; y++, iDstStride2+=iDstStride, iSrcStride2+=iSrcStride ) { pDst[iDstStride2] = (Pel)((pSrc[iSrcStride2] + 3 * pDst[iDstStride2] + 2) >> 2); } } return; } /* Static member function */ Bool TComPrediction::UseDPCMForFirstPassIntraEstimation(TComTU &rTu, const UInt uiDirMode) { return (rTu.getCU()->isRDPCMEnabled(rTu.GetAbsPartIdxTU()) ) && rTu.getCU()->getCUTransquantBypass(rTu.GetAbsPartIdxTU()) && (uiDirMode==HOR_IDX || uiDirMode==VER_IDX); } #if H_3D_IC /** Function for deriving the position of first non-zero binary bit of a value * \param x input value * * This function derives the position of first non-zero binary bit of a value */ Int GetMSB( UInt x ) { Int iMSB = 0, bits = ( sizeof( Int ) << 3 ), y = 1; while( x > 1 ) { bits >>= 1; y = x >> bits; if( y ) { x = y; iMSB += bits; } } iMSB+=y; return iMSB; } /** Function for deriving LM illumination compensation. */ Void TComPrediction::xGetLLSICPrediction( TComDataCU* pcCU, TComMv *pMv, TComPicYuv *pRefPic, Int &a, Int &b, TextType eType ) { TComPicYuv *pRecPic = pcCU->getPic()->getPicYuvRec(); Pel *pRec = NULL, *pRef = NULL; UInt uiWidth, uiHeight, uiTmpPartIdx; Int iRecStride = ( eType == TEXT_LUMA ) ? pRecPic->getStride() : pRecPic->getCStride(); Int iRefStride = ( eType == TEXT_LUMA ) ? pRefPic->getStride() : pRefPic->getCStride(); Int iRefOffset, iHor, iVer; iHor = pcCU->getSlice()->getIsDepth() ? pMv->getHor() : ( ( pMv->getHor() + 2 ) >> 2 ); iVer = pcCU->getSlice()->getIsDepth() ? pMv->getVer() : ( ( pMv->getVer() + 2 ) >> 2 ); if( eType != TEXT_LUMA ) { iHor = pcCU->getSlice()->getIsDepth() ? ( ( pMv->getHor() + 1 ) >> 1 ) : ( ( pMv->getHor() + 4 ) >> 3 ); iVer = pcCU->getSlice()->getIsDepth() ? ( ( pMv->getVer() + 1 ) >> 1 ) : ( ( pMv->getVer() + 4 ) >> 3 ); } uiWidth = ( eType == TEXT_LUMA ) ? pcCU->getWidth( 0 ) : ( pcCU->getWidth( 0 ) >> 1 ); uiHeight = ( eType == TEXT_LUMA ) ? pcCU->getHeight( 0 ) : ( pcCU->getHeight( 0 ) >> 1 ); Int i, j, iCountShift = 0; // LLS parameters estimation --> Int x = 0, y = 0, xx = 0, xy = 0; Int precShift = std::max(0, (( eType == TEXT_LUMA ) ? g_bitDepthY : g_bitDepthC) - 12); if( pcCU->getPUAbove( uiTmpPartIdx, pcCU->getZorderIdxInCU() ) ) { iRefOffset = iHor + iVer * iRefStride - iRefStride; if( eType == TEXT_LUMA ) { pRef = pRefPic->getLumaAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) + iRefOffset; pRec = pRecPic->getLumaAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) - iRecStride; } else if( eType == TEXT_CHROMA_U ) { pRef = pRefPic->getCbAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) + iRefOffset; pRec = pRecPic->getCbAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) - iRecStride; } else { assert( eType == TEXT_CHROMA_V ); pRef = pRefPic->getCrAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) + iRefOffset; pRec = pRecPic->getCrAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) - iRecStride; } for( j = 0; j < uiWidth; j+=2 ) { x += pRef[j]; y += pRec[j]; if ( eType == TEXT_LUMA ) { xx += (pRef[j] * pRef[j])>>precShift; xy += (pRef[j] * pRec[j])>>precShift; } } iCountShift += g_aucConvertToBit[ uiWidth ] + 1; } if( pcCU->getPULeft( uiTmpPartIdx, pcCU->getZorderIdxInCU() ) ) { iRefOffset = iHor + iVer * iRefStride - 1; if( eType == TEXT_LUMA ) { pRef = pRefPic->getLumaAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) + iRefOffset; pRec = pRecPic->getLumaAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) - 1; } else if( eType == TEXT_CHROMA_U ) { pRef = pRefPic->getCbAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) + iRefOffset; pRec = pRecPic->getCbAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) - 1; } else { assert( eType == TEXT_CHROMA_V ); pRef = pRefPic->getCrAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) + iRefOffset; pRec = pRecPic->getCrAddr( pcCU->getAddr(), pcCU->getZorderIdxInCU() ) - 1; } for( i = 0; i < uiHeight; i+=2 ) { x += pRef[0]; y += pRec[0]; if ( eType == TEXT_LUMA ) { xx += (pRef[0] * pRef[0])>>precShift; xy += (pRef[0] * pRec[0])>>precShift; } pRef += iRefStride*2; pRec += iRecStride*2; } iCountShift += iCountShift > 0 ? 1 : ( g_aucConvertToBit[ uiWidth ] + 1 ); } if( iCountShift == 0 ) { a = ( 1 << IC_CONST_SHIFT ); b = 0; return; } if ( eType != TEXT_LUMA ) { a = 32; b = ( y - x + ( 1 << ( iCountShift - 1 ) ) ) >> iCountShift; } else { xy += xx >> IC_REG_COST_SHIFT; xx += xx >> IC_REG_COST_SHIFT; Int a1 = ( xy << iCountShift ) - ((y * x) >> precShift); Int a2 = ( xx << iCountShift ) - ((x * x) >> precShift); const Int iShift = IC_CONST_SHIFT; { { const Int iShiftA2 = 6; const Int iAccuracyShift = 15; Int iScaleShiftA2 = 0; Int iScaleShiftA1 = 0; Int a1s = a1; Int a2s = a2; a1 = Clip3(0, 2*a2, a1); iScaleShiftA2 = GetMSB( abs( a2 ) ) - iShiftA2; iScaleShiftA1 = iScaleShiftA2 - IC_SHIFT_DIFF; if( iScaleShiftA1 < 0 ) { iScaleShiftA1 = 0; } if( iScaleShiftA2 < 0 ) { iScaleShiftA2 = 0; } Int iScaleShiftA = iScaleShiftA2 + iAccuracyShift - iShift - iScaleShiftA1; a2s = a2 >> iScaleShiftA2; a1s = a1 >> iScaleShiftA1; a = a1s * m_uiaShift[ a2s ]; a = a >> iScaleShiftA; b = ( y - ( ( a * x ) >> iShift ) + ( 1 << ( iCountShift - 1 ) ) ) >> iCountShift; } } } } #endif #if NH_3D_SDC_INTRA Void TComPrediction::predConstantSDC( Pel* ptrSrc, UInt srcStride, UInt uiSize, Pel& predDC ) { Pel* pLeftTop = ptrSrc; Pel* pRightTop = ptrSrc + (uiSize-1); Pel* pLeftBottom = (ptrSrc+ (srcStride*(uiSize-1)) ); Pel* pRightBottom = (ptrSrc+ (srcStride*(uiSize-1)) + (uiSize-1)); predDC = (*pLeftTop + *pRightTop + *pLeftBottom + *pRightBottom + 2)>>2; } #endif // NH_3D_SDC_INTRA #if NH_3D_DMM Void TComPrediction::predContourFromTex( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, Bool* segPattern ) { // get copy of co-located texture luma block TComYuv cTempYuv; cTempYuv.create( uiWidth, uiHeight, CHROMA_400 ); cTempYuv.clear(); Pel* piRefBlkY = cTempYuv.getAddr( COMPONENT_Y ); TComPicYuv* pcPicYuvRef = pcCU->getSlice()->getTexturePic()->getPicYuvRec(); assert( pcPicYuvRef != NULL ); Int iRefStride = pcPicYuvRef->getStride( COMPONENT_Y ); Pel* piRefY = pcPicYuvRef->getAddr ( COMPONENT_Y, pcCU->getCtuRsAddr(), pcCU->getZorderIdxInCtu() + uiAbsPartIdx ); for( Int y = 0; y < uiHeight; y++ ) { ::memcpy(piRefBlkY, piRefY, sizeof(Pel)*uiWidth); piRefBlkY += uiWidth; piRefY += iRefStride; } // find contour for texture luma block piRefBlkY = cTempYuv.getAddr( COMPONENT_Y ); UInt iDC = 0; iDC = piRefBlkY[ 0 ]; iDC += piRefBlkY[ uiWidth - 1 ]; iDC += piRefBlkY[ uiWidth * (uiHeight - 1) ]; iDC += piRefBlkY[ uiWidth * (uiHeight - 1) + uiWidth - 1 ]; iDC = iDC >> 2; piRefBlkY = cTempYuv.getAddr( COMPONENT_Y ); for( UInt k = 0; k < (uiWidth*uiHeight); k++ ) { segPattern[k] = (piRefBlkY[k] > iDC) ? true : false; } cTempYuv.destroy(); } Void TComPrediction::predBiSegDCs( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, Bool* biSegPattern, Int patternStride, Pel& predDC1, Pel& predDC2 ) { assert( biSegPattern ); const Pel *piMask = getPredictorPtr( COMPONENT_Y, false ); assert( piMask ); Int srcStride = 2*uiWidth + 1; const Pel *ptrSrc = piMask+srcStride+1; Int refDC1, refDC2; const Int iTR = ( patternStride - 1 ) - srcStride; const Int iTM = ( ( patternStride - 1 ) >> 1 ) - srcStride; const Int iLB = ( patternStride - 1 ) * srcStride - 1; const Int iLM = ( ( patternStride - 1 ) >> 1 ) * srcStride - 1; Bool bL = ( biSegPattern[0] != biSegPattern[(patternStride-1)*patternStride] ); Bool bT = ( biSegPattern[0] != biSegPattern[(patternStride-1)] ); if( bL == bT ) { const Int iTRR = ( patternStride * 2 - 1 ) - srcStride; const Int iLBB = ( patternStride * 2 - 1 ) * srcStride - 1; refDC1 = bL ? ( ptrSrc[iTR] + ptrSrc[iLB] )>>1 : (abs(ptrSrc[iTRR] - ptrSrc[-(Int)srcStride]) > abs(ptrSrc[iLBB] - ptrSrc[ -1]) ? ptrSrc[iTRR] : ptrSrc[iLBB]); refDC2 = ( ptrSrc[ -1] + ptrSrc[-(Int)srcStride] )>>1; } else { refDC1 = bL ? ptrSrc[iLB] : ptrSrc[iTR]; refDC2 = bL ? ptrSrc[iTM] : ptrSrc[iLM]; } predDC1 = biSegPattern[0] ? refDC1 : refDC2; predDC2 = biSegPattern[0] ? refDC2 : refDC1; } Void TComPrediction::assignBiSegDCs( Pel* ptrDst, UInt dstStride, Bool* biSegPattern, Int patternStride, Pel valDC1, Pel valDC2 ) { assert( biSegPattern ); if( dstStride == patternStride ) { for( UInt k = 0; k < (patternStride * patternStride); k++ ) { if( true == biSegPattern[k] ) { ptrDst[k] = valDC2; } else { ptrDst[k] = valDC1; } } } else { Pel* piTemp = ptrDst; for( UInt uiY = 0; uiY < patternStride; uiY++ ) { for( UInt uiX = 0; uiX < patternStride; uiX++ ) { if( true == biSegPattern[uiX] ) { piTemp[uiX] = valDC2; } else { piTemp[uiX] = valDC1; } } piTemp += dstStride; biSegPattern += patternStride; } } } #endif //! \}