/* 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) 2010-2012, 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 TEncSlice.cpp \brief slice encoder class */ #include "TEncTop.h" #include "TEncSlice.h" #include //! \ingroup TLibEncoder //! \{ // ==================================================================================================================== // Constructor / destructor / create / destroy // ==================================================================================================================== TEncSlice::TEncSlice() { m_apcPicYuvPred = NULL; m_apcPicYuvResi = NULL; m_pdRdPicLambda = NULL; m_pdRdPicQp = NULL; m_piRdPicQp = NULL; m_pcBufferSbacCoders = NULL; m_pcBufferBinCoderCABACs = NULL; m_pcBufferLowLatSbacCoders = NULL; m_pcBufferLowLatBinCoderCABACs = NULL; } TEncSlice::~TEncSlice() { #if DEPENDENT_SLICES for (std::vector::iterator i = CTXMem.begin(); i != CTXMem.end(); i++) { delete (*i); } #endif } #if DEPENDENT_SLICES Void TEncSlice::initCtxMem( UInt i ) { for (std::vector::iterator j = CTXMem.begin(); j != CTXMem.end(); j++) { delete (*j); } CTXMem.clear(); CTXMem.resize(i); } #endif Void TEncSlice::create( Int iWidth, Int iHeight, UInt iMaxCUWidth, UInt iMaxCUHeight, UChar uhTotalDepth ) { // create prediction picture if ( m_apcPicYuvPred == NULL ) { m_apcPicYuvPred = new TComPicYuv; m_apcPicYuvPred->create( iWidth, iHeight, iMaxCUWidth, iMaxCUHeight, uhTotalDepth ); } // create residual picture if( m_apcPicYuvResi == NULL ) { m_apcPicYuvResi = new TComPicYuv; m_apcPicYuvResi->create( iWidth, iHeight, iMaxCUWidth, iMaxCUHeight, uhTotalDepth ); } } Void TEncSlice::destroy() { // destroy prediction picture if ( m_apcPicYuvPred ) { m_apcPicYuvPred->destroy(); delete m_apcPicYuvPred; m_apcPicYuvPred = NULL; } // destroy residual picture if ( m_apcPicYuvResi ) { m_apcPicYuvResi->destroy(); delete m_apcPicYuvResi; m_apcPicYuvResi = NULL; } // free lambda and QP arrays if ( m_pdRdPicLambda ) { xFree( m_pdRdPicLambda ); m_pdRdPicLambda = NULL; } if ( m_pdRdPicQp ) { xFree( m_pdRdPicQp ); m_pdRdPicQp = NULL; } if ( m_piRdPicQp ) { xFree( m_piRdPicQp ); m_piRdPicQp = NULL; } if ( m_pcBufferSbacCoders ) { delete[] m_pcBufferSbacCoders; } if ( m_pcBufferBinCoderCABACs ) { delete[] m_pcBufferBinCoderCABACs; } if ( m_pcBufferLowLatSbacCoders ) delete[] m_pcBufferLowLatSbacCoders; if ( m_pcBufferLowLatBinCoderCABACs ) delete[] m_pcBufferLowLatBinCoderCABACs; } Void TEncSlice::init( TEncTop* pcEncTop ) { m_pcCfg = pcEncTop; m_pcListPic = pcEncTop->getListPic(); #if SVC_EXTENSION m_ppcTEncTop = pcEncTop->getLayerEnc(); #endif m_pcGOPEncoder = pcEncTop->getGOPEncoder(); m_pcCuEncoder = pcEncTop->getCuEncoder(); m_pcPredSearch = pcEncTop->getPredSearch(); m_pcEntropyCoder = pcEncTop->getEntropyCoder(); m_pcCavlcCoder = pcEncTop->getCavlcCoder(); m_pcSbacCoder = pcEncTop->getSbacCoder(); m_pcBinCABAC = pcEncTop->getBinCABAC(); m_pcTrQuant = pcEncTop->getTrQuant(); m_pcBitCounter = pcEncTop->getBitCounter(); m_pcRdCost = pcEncTop->getRdCost(); m_pppcRDSbacCoder = pcEncTop->getRDSbacCoder(); m_pcRDGoOnSbacCoder = pcEncTop->getRDGoOnSbacCoder(); // create lambda and QP arrays m_pdRdPicLambda = (Double*)xMalloc( Double, m_pcCfg->getDeltaQpRD() * 2 + 1 ); m_pdRdPicQp = (Double*)xMalloc( Double, m_pcCfg->getDeltaQpRD() * 2 + 1 ); m_piRdPicQp = (Int* )xMalloc( Int, m_pcCfg->getDeltaQpRD() * 2 + 1 ); m_pcRateCtrl = pcEncTop->getRateCtrl(); } /** - non-referenced frame marking - QP computation based on temporal structure - lambda computation based on QP - set temporal layer ID and the parameter sets . \param pcPic picture class \param iPOCLast POC of last picture \param uiPOCCurr current POC \param iNumPicRcvd number of received pictures \param iTimeOffset POC offset for hierarchical structure \param iDepth temporal layer depth \param rpcSlice slice header class \param pSPS SPS associated with the slice \param pPPS PPS associated with the slice */ Void TEncSlice::initEncSlice( TComPic* pcPic, Int iPOCLast, UInt uiPOCCurr, Int iNumPicRcvd, Int iGOPid, TComSlice*& rpcSlice, TComSPS* pSPS, TComPPS *pPPS ) { Double dQP; Double dLambda; rpcSlice = pcPic->getSlice(0); rpcSlice->setSPS( pSPS ); rpcSlice->setPPS( pPPS ); rpcSlice->setSliceBits(0); rpcSlice->setPic( pcPic ); rpcSlice->initSlice(); rpcSlice->setPicOutputFlag( true ); rpcSlice->setPOC( uiPOCCurr ); #if SVC_EXTENSION rpcSlice->setLayerId( pcPic->getLayerId()); #endif // depth computation based on GOP size int iDepth; { Int i, j; Int iPOC = rpcSlice->getPOC()%m_pcCfg->getGOPSize(); if ( iPOC == 0 ) { iDepth = 0; } else { Int iStep = m_pcCfg->getGOPSize(); iDepth = 0; for( i=iStep>>1; i>=1; i>>=1 ) { for ( j=i; jgetGOPSize(); j+=iStep ) { if ( j == iPOC ) { i=0; break; } } iStep>>=1; iDepth++; } } } // slice type SliceType eSliceType; eSliceType=B_SLICE; eSliceType = (iPOCLast == 0 || uiPOCCurr % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0) ? I_SLICE : eSliceType; rpcSlice->setSliceType ( eSliceType ); // ------------------------------------------------------------------------------------------------------------------ // Non-referenced frame marking // ------------------------------------------------------------------------------------------------------------------ #if TEMPORAL_LAYER_NON_REFERENCE if(iPOCLast == 0) { rpcSlice->setTemporalLayerNonReferenceFlag(false); } else { rpcSlice->setTemporalLayerNonReferenceFlag(!m_pcCfg->getGOPEntry(iGOPid).m_refPic); } rpcSlice->setReferenced(true); #else rpcSlice->setReferenced(m_pcCfg->getGOPEntry(iGOPid).m_refPic); #endif #if !REMOVE_NAL_REF_FLAG rpcSlice->setNalRefFlag(m_pcCfg->getGOPEntry(iGOPid).m_refPic); #endif #if !TEMPORAL_LAYER_NON_REFERENCE if(eSliceType==I_SLICE) { rpcSlice->setReferenced(true); } #endif // ------------------------------------------------------------------------------------------------------------------ // QP setting // ------------------------------------------------------------------------------------------------------------------ dQP = m_pcCfg->getQP(); if(eSliceType!=I_SLICE) { if (!(( m_pcCfg->getMaxDeltaQP() == 0 ) && (dQP == -rpcSlice->getSPS()->getQpBDOffsetY() ) && (rpcSlice->getSPS()->getUseLossless()))) { dQP += m_pcCfg->getGOPEntry(iGOPid).m_QPOffset; } } // modify QP Int* pdQPs = m_pcCfg->getdQPs(); if ( pdQPs ) { dQP += pdQPs[ rpcSlice->getPOC() ]; } if ( m_pcCfg->getUseRateCtrl()) { dQP = m_pcRateCtrl->getFrameQP(rpcSlice->isReferenced(), rpcSlice->getPOC()); } // ------------------------------------------------------------------------------------------------------------------ // Lambda computation // ------------------------------------------------------------------------------------------------------------------ Int iQP; Double dOrigQP = dQP; // pre-compute lambda and QP values for all possible QP candidates for ( Int iDQpIdx = 0; iDQpIdx < 2 * m_pcCfg->getDeltaQpRD() + 1; iDQpIdx++ ) { // compute QP value dQP = dOrigQP + ((iDQpIdx+1)>>1)*(iDQpIdx%2 ? -1 : 1); // compute lambda value Int NumberBFrames = ( m_pcCfg->getGOPSize() - 1 ); Int SHIFT_QP = 12; Double dLambda_scale = 1.0 - Clip3( 0.0, 0.5, 0.05*(Double)NumberBFrames ); #if FULL_NBIT Int bitdepth_luma_qp_scale = 6 * (g_uiBitDepth - 8); #else Int bitdepth_luma_qp_scale = 0; #endif Double qp_temp = (Double) dQP + bitdepth_luma_qp_scale - SHIFT_QP; #if FULL_NBIT Double qp_temp_orig = (Double) dQP - SHIFT_QP; #endif // Case #1: I or P-slices (key-frame) Double dQPFactor = m_pcCfg->getGOPEntry(iGOPid).m_QPFactor; if ( eSliceType==I_SLICE ) { dQPFactor=0.57*dLambda_scale; } dLambda = dQPFactor*pow( 2.0, qp_temp/3.0 ); if ( iDepth>0 ) { #if FULL_NBIT dLambda *= Clip3( 2.00, 4.00, (qp_temp_orig / 6.0) ); // (j == B_SLICE && p_cur_frm->layer != 0 ) #else dLambda *= Clip3( 2.00, 4.00, (qp_temp / 6.0) ); // (j == B_SLICE && p_cur_frm->layer != 0 ) #endif } // if hadamard is used in ME process if ( !m_pcCfg->getUseHADME() ) { dLambda *= 0.95; } iQP = max( -pSPS->getQpBDOffsetY(), min( MAX_QP, (Int) floor( dQP + 0.5 ) ) ); m_pdRdPicLambda[iDQpIdx] = dLambda; m_pdRdPicQp [iDQpIdx] = dQP; m_piRdPicQp [iDQpIdx] = iQP; } // obtain dQP = 0 case dLambda = m_pdRdPicLambda[0]; dQP = m_pdRdPicQp [0]; iQP = m_piRdPicQp [0]; if( rpcSlice->getSliceType( ) != I_SLICE ) { dLambda *= m_pcCfg->getLambdaModifier( m_pcCfg->getGOPEntry(iGOPid).m_temporalId ); } // store lambda m_pcRdCost ->setLambda( dLambda ); #if WEIGHTED_CHROMA_DISTORTION // for RDO // in RdCost there is only one lambda because the luma and chroma bits are not separated, instead we weight the distortion of chroma. Double weight = 1.0; if(iQP >= 0) { weight = pow( 2.0, (iQP-g_aucChromaScale[iQP])/3.0 ); // takes into account of the chroma qp mapping without chroma qp Offset } m_pcRdCost ->setChromaDistortionWeight( weight ); #endif #if RDOQ_CHROMA_LAMBDA // for RDOQ m_pcTrQuant->setLambda( dLambda, dLambda / weight ); #else m_pcTrQuant->setLambda( dLambda ); #endif #if ALF_CHROMA_LAMBDA || SAO_CHROMA_LAMBDA // For ALF or SAO rpcSlice ->setLambda( dLambda, dLambda / weight ); #else rpcSlice ->setLambda( dLambda ); #endif #if HB_LAMBDA_FOR_LDC // restore original slice type eSliceType = (iPOCLast == 0 || uiPOCCurr % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0) ? I_SLICE : eSliceType; #if REF_IDX_FRAMEWORK if(m_pcCfg->getLayerId() > 0) { eSliceType=B_SLICE; } #endif rpcSlice->setSliceType ( eSliceType ); #endif #if RECALCULATE_QP_ACCORDING_LAMBDA if (m_pcCfg->getUseRecalculateQPAccordingToLambda()) { dQP = xGetQPValueAccordingToLambda( dLambda ); iQP = max( -pSPS->getQpBDOffsetY(), min( MAX_QP, (Int) floor( dQP + 0.5 ) ) ); } #endif rpcSlice->setSliceQp ( iQP ); #if ADAPTIVE_QP_SELECTION rpcSlice->setSliceQpBase ( iQP ); #endif rpcSlice->setSliceQpDelta ( 0 ); #if CHROMA_QP_EXTENSION rpcSlice->setSliceQpDeltaCb ( 0 ); rpcSlice->setSliceQpDeltaCr ( 0 ); #endif rpcSlice->setNumRefIdx(REF_PIC_LIST_0,m_pcCfg->getGOPEntry(iGOPid).m_numRefPicsActive); rpcSlice->setNumRefIdx(REF_PIC_LIST_1,m_pcCfg->getGOPEntry(iGOPid).m_numRefPicsActive); if (rpcSlice->getPPS()->getDeblockingFilterControlPresentFlag()) { rpcSlice->getPPS()->setDeblockingFilterOverrideEnabledFlag( !m_pcCfg->getLoopFilterOffsetInPPS() ); rpcSlice->setDeblockingFilterOverrideFlag( !m_pcCfg->getLoopFilterOffsetInPPS() ); rpcSlice->getPPS()->setPicDisableDeblockingFilterFlag( m_pcCfg->getLoopFilterDisable() ); rpcSlice->setDeblockingFilterDisable( m_pcCfg->getLoopFilterDisable() ); if ( !rpcSlice->getDeblockingFilterDisable()) { rpcSlice->getPPS()->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getLoopFilterBetaOffset() ); rpcSlice->getPPS()->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getLoopFilterTcOffset() ); rpcSlice->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getLoopFilterBetaOffset() ); rpcSlice->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getLoopFilterTcOffset() ); } } rpcSlice->setDepth ( iDepth ); pcPic->setTLayer( m_pcCfg->getGOPEntry(iGOPid).m_temporalId ); if(eSliceType==I_SLICE) { pcPic->setTLayer(0); } rpcSlice->setTLayer( pcPic->getTLayer() ); assert( m_apcPicYuvPred ); assert( m_apcPicYuvResi ); pcPic->setPicYuvPred( m_apcPicYuvPred ); pcPic->setPicYuvResi( m_apcPicYuvResi ); rpcSlice->setSliceMode ( m_pcCfg->getSliceMode() ); rpcSlice->setSliceArgument ( m_pcCfg->getSliceArgument() ); rpcSlice->setDependentSliceMode ( m_pcCfg->getDependentSliceMode() ); rpcSlice->setDependentSliceArgument ( m_pcCfg->getDependentSliceArgument() ); rpcSlice->setMaxNumMergeCand ( m_pcCfg->getMaxNumMergeCand() ); xStoreWPparam( pPPS->getUseWP(), pPPS->getWPBiPred() ); } /** - lambda re-computation based on rate control QP */ Void TEncSlice::xLamdaRecalculation(Int changeQP, Int idGOP, Int depth, SliceType eSliceType, TComSPS* pcSPS, TComSlice* pcSlice) { Int qp; Double recalQP= (Double)changeQP; Double origQP = (Double)recalQP; Double lambda; // pre-compute lambda and QP values for all possible QP candidates for ( Int deltqQpIdx = 0; deltqQpIdx < 2 * m_pcCfg->getDeltaQpRD() + 1; deltqQpIdx++ ) { // compute QP value recalQP = origQP + ((deltqQpIdx+1)>>1)*(deltqQpIdx%2 ? -1 : 1); // compute lambda value Int NumberBFrames = ( m_pcCfg->getGOPSize() - 1 ); Int SHIFT_QP = 12; Double dLambda_scale = 1.0 - Clip3( 0.0, 0.5, 0.05*(Double)NumberBFrames ); #if FULL_NBIT Int bitdepth_luma_qp_scale = 6 * (g_uiBitDepth - 8); #else Int bitdepth_luma_qp_scale = 0; #endif Double qp_temp = (Double) recalQP + bitdepth_luma_qp_scale - SHIFT_QP; #if FULL_NBIT Double qp_temp_orig = (Double) recalQP - SHIFT_QP; #endif // Case #1: I or P-slices (key-frame) Double dQPFactor = m_pcCfg->getGOPEntry(idGOP).m_QPFactor; if ( eSliceType==I_SLICE ) { dQPFactor=0.57*dLambda_scale; } lambda = dQPFactor*pow( 2.0, qp_temp/3.0 ); if ( depth>0 ) { #if FULL_NBIT lambda *= Clip3( 2.00, 4.00, (qp_temp_orig / 6.0) ); // (j == B_SLICE && p_cur_frm->layer != 0 ) #else lambda *= Clip3( 2.00, 4.00, (qp_temp / 6.0) ); // (j == B_SLICE && p_cur_frm->layer != 0 ) #endif } // if hadamard is used in ME process if ( !m_pcCfg->getUseHADME() ) { lambda *= 0.95; } qp = max( -pcSPS->getQpBDOffsetY(), min( MAX_QP, (Int) floor( recalQP + 0.5 ) ) ); m_pdRdPicLambda[deltqQpIdx] = lambda; m_pdRdPicQp [deltqQpIdx] = recalQP; m_piRdPicQp [deltqQpIdx] = qp; } // obtain dQP = 0 case lambda = m_pdRdPicLambda[0]; recalQP = m_pdRdPicQp [0]; qp = m_piRdPicQp [0]; if( pcSlice->getSliceType( ) != I_SLICE ) { lambda *= m_pcCfg->getLambdaModifier( depth ); } // store lambda m_pcRdCost ->setLambda( lambda ); #if WEIGHTED_CHROMA_DISTORTION // for RDO // in RdCost there is only one lambda because the luma and chroma bits are not separated, instead we weight the distortion of chroma. Double weight = 1.0; if(qp >= 0) { weight = pow( 2.0, (qp-g_aucChromaScale[qp])/3.0 ); // takes into account of the chroma qp mapping without chroma qp Offset } m_pcRdCost ->setChromaDistortionWeight( weight ); #endif #if RDOQ_CHROMA_LAMBDA // for RDOQ m_pcTrQuant->setLambda( lambda, lambda / weight ); #else m_pcTrQuant->setLambda( lambda ); #endif #if ALF_CHROMA_LAMBDA || SAO_CHROMA_LAMBDA // For ALF or SAO pcSlice ->setLambda( lambda, lambda / weight ); #else pcSlice ->setLambda( lambda ); #endif } // ==================================================================================================================== // Public member functions // ==================================================================================================================== Void TEncSlice::setSearchRange( TComSlice* pcSlice ) { Int iCurrPOC = pcSlice->getPOC(); Int iRefPOC; Int iGOPSize = m_pcCfg->getGOPSize(); Int iOffset = (iGOPSize >> 1); Int iMaxSR = m_pcCfg->getSearchRange(); Int iNumPredDir = pcSlice->isInterP() ? 1 : 2; for (Int iDir = 0; iDir <= iNumPredDir; iDir++) { //RefPicList e = (RefPicList)iDir; RefPicList e = ( iDir ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); for (Int iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(e); iRefIdx++) { iRefPOC = pcSlice->getRefPic(e, iRefIdx)->getPOC(); Int iNewSR = Clip3(8, iMaxSR, (iMaxSR*ADAPT_SR_SCALE*abs(iCurrPOC - iRefPOC)+iOffset)/iGOPSize); m_pcPredSearch->setAdaptiveSearchRange(iDir, iRefIdx, iNewSR); } } } /** - multi-loop slice encoding for different slice QP . \param rpcPic picture class */ Void TEncSlice::precompressSlice( TComPic*& rpcPic ) { // if deltaQP RD is not used, simply return if ( m_pcCfg->getDeltaQpRD() == 0 ) { return; } TComSlice* pcSlice = rpcPic->getSlice(getSliceIdx()); Double dPicRdCostBest = MAX_DOUBLE; UInt uiQpIdxBest = 0; Double dFrameLambda; #if FULL_NBIT Int SHIFT_QP = 12 + 6 * (g_uiBitDepth - 8); #else Int SHIFT_QP = 12; #endif // set frame lambda if (m_pcCfg->getGOPSize() > 1) { dFrameLambda = 0.68 * pow (2, (m_piRdPicQp[0] - SHIFT_QP) / 3.0) * (pcSlice->isInterB()? 2 : 1); } else { dFrameLambda = 0.68 * pow (2, (m_piRdPicQp[0] - SHIFT_QP) / 3.0); } m_pcRdCost ->setFrameLambda(dFrameLambda); // for each QP candidate for ( UInt uiQpIdx = 0; uiQpIdx < 2 * m_pcCfg->getDeltaQpRD() + 1; uiQpIdx++ ) { pcSlice ->setSliceQp ( m_piRdPicQp [uiQpIdx] ); #if ADAPTIVE_QP_SELECTION pcSlice ->setSliceQpBase ( m_piRdPicQp [uiQpIdx] ); #endif m_pcRdCost ->setLambda ( m_pdRdPicLambda[uiQpIdx] ); #if WEIGHTED_CHROMA_DISTORTION // for RDO // in RdCost there is only one lambda because the luma and chroma bits are not separated, instead we weight the distortion of chroma. int iQP = m_piRdPicQp [uiQpIdx]; Double weight = 1.0; if(iQP >= 0) { weight = pow( 2.0, (iQP-g_aucChromaScale[iQP])/3.0 ); // takes into account of the chroma qp mapping without chroma qp Offset } m_pcRdCost ->setChromaDistortionWeight( weight ); #endif #if RDOQ_CHROMA_LAMBDA // for RDOQ m_pcTrQuant ->setLambda( m_pdRdPicLambda[uiQpIdx], m_pdRdPicLambda[uiQpIdx] / weight ); #else m_pcTrQuant ->setLambda ( m_pdRdPicLambda[uiQpIdx] ); #endif #if ALF_CHROMA_LAMBDA || SAO_CHROMA_LAMBDA // For ALF or SAO pcSlice ->setLambda ( m_pdRdPicLambda[uiQpIdx], m_pdRdPicLambda[uiQpIdx] / weight ); #else pcSlice ->setLambda ( m_pdRdPicLambda[uiQpIdx] ); #endif // try compress compressSlice ( rpcPic ); Double dPicRdCost; UInt64 uiPicDist = m_uiPicDist; UInt64 uiALFBits = 0; m_pcGOPEncoder->preLoopFilterPicAll( rpcPic, uiPicDist, uiALFBits ); // compute RD cost and choose the best dPicRdCost = m_pcRdCost->calcRdCost64( m_uiPicTotalBits + uiALFBits, uiPicDist, true, DF_SSE_FRAME); if ( dPicRdCost < dPicRdCostBest ) { uiQpIdxBest = uiQpIdx; dPicRdCostBest = dPicRdCost; } } // set best values pcSlice ->setSliceQp ( m_piRdPicQp [uiQpIdxBest] ); #if ADAPTIVE_QP_SELECTION pcSlice ->setSliceQpBase ( m_piRdPicQp [uiQpIdxBest] ); #endif m_pcRdCost ->setLambda ( m_pdRdPicLambda[uiQpIdxBest] ); #if WEIGHTED_CHROMA_DISTORTION // in RdCost there is only one lambda because the luma and chroma bits are not separated, instead we weight the distortion of chroma. int iQP = m_piRdPicQp [uiQpIdxBest]; Double weight = 1.0; if(iQP >= 0) { weight = pow( 2.0, (iQP-g_aucChromaScale[iQP])/3.0 ); // takes into account of the chroma qp mapping without chroma qp Offset } m_pcRdCost ->setChromaDistortionWeight( weight ); #endif #if RDOQ_CHROMA_LAMBDA // for RDOQ m_pcTrQuant ->setLambda( m_pdRdPicLambda[uiQpIdxBest], m_pdRdPicLambda[uiQpIdxBest] / weight ); #else m_pcTrQuant ->setLambda ( m_pdRdPicLambda[uiQpIdxBest] ); #endif #if ALF_CHROMA_LAMBDA || SAO_CHROMA_LAMBDA // For ALF or SAO pcSlice ->setLambda ( m_pdRdPicLambda[uiQpIdxBest], m_pdRdPicLambda[uiQpIdxBest] / weight ); #else pcSlice ->setLambda ( m_pdRdPicLambda[uiQpIdxBest] ); #endif } /** \param rpcPic picture class */ Void TEncSlice::compressSlice( TComPic*& rpcPic ) { UInt uiCUAddr; UInt uiStartCUAddr; UInt uiBoundingCUAddr; rpcPic->getSlice(getSliceIdx())->setDependentSliceCounter(0); TEncBinCABAC* pppcRDSbacCoder = NULL; TComSlice* pcSlice = rpcPic->getSlice(getSliceIdx()); xDetermineStartAndBoundingCUAddr ( uiStartCUAddr, uiBoundingCUAddr, rpcPic, false ); // initialize cost values m_uiPicTotalBits = 0; m_dPicRdCost = 0; m_uiPicDist = 0; // set entropy coder if( m_pcCfg->getUseSBACRD() ) { m_pcSbacCoder->init( m_pcBinCABAC ); m_pcEntropyCoder->setEntropyCoder ( m_pcSbacCoder, pcSlice ); m_pcEntropyCoder->resetEntropy (); m_pppcRDSbacCoder[0][CI_CURR_BEST]->load(m_pcSbacCoder); pppcRDSbacCoder = (TEncBinCABAC *) m_pppcRDSbacCoder[0][CI_CURR_BEST]->getEncBinIf(); pppcRDSbacCoder->setBinCountingEnableFlag( false ); pppcRDSbacCoder->setBinsCoded( 0 ); } else { m_pcEntropyCoder->setEntropyCoder ( m_pcCavlcCoder, pcSlice ); m_pcEntropyCoder->resetEntropy (); m_pcEntropyCoder->setBitstream ( m_pcBitCounter ); } //------------------------------------------------------------------------------ // Weighted Prediction parameters estimation. //------------------------------------------------------------------------------ // calculate AC/DC values for current picture if( pcSlice->getPPS()->getUseWP() || pcSlice->getPPS()->getWPBiPred() ) { xCalcACDCParamSlice(pcSlice); } Bool bWp_explicit = (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()); if ( bWp_explicit ) { //------------------------------------------------------------------------------ // Weighted Prediction implemented at Slice level. SliceMode=2 is not supported yet. //------------------------------------------------------------------------------ if ( pcSlice->getSliceMode()==2 || pcSlice->getDependentSliceMode()==2 ) { printf("Weighted Prediction is not supported with slice mode determined by max number of bins.\n"); exit(0); } xEstimateWPParamSlice( pcSlice ); pcSlice->initWpScaling(); // check WP on/off xCheckWPEnable( pcSlice ); } #if ADAPTIVE_QP_SELECTION if( m_pcCfg->getUseAdaptQpSelect() ) { m_pcTrQuant->clearSliceARLCnt(); if(pcSlice->getSliceType()!=I_SLICE) { Int qpBase = pcSlice->getSliceQpBase(); pcSlice->setSliceQp(qpBase + m_pcTrQuant->getQpDelta(qpBase)); } } #endif TEncTop* pcEncTop = (TEncTop*) m_pcCfg; TEncSbac**** ppppcRDSbacCoders = pcEncTop->getRDSbacCoders(); TComBitCounter* pcBitCounters = pcEncTop->getBitCounters(); Int iNumSubstreams = 1; UInt uiTilesAcross = 0; if( m_pcCfg->getUseSBACRD() ) { iNumSubstreams = pcSlice->getPPS()->getNumSubstreams(); uiTilesAcross = rpcPic->getPicSym()->getNumColumnsMinus1()+1; delete[] m_pcBufferSbacCoders; delete[] m_pcBufferBinCoderCABACs; m_pcBufferSbacCoders = new TEncSbac [uiTilesAcross]; m_pcBufferBinCoderCABACs = new TEncBinCABAC[uiTilesAcross]; for (int ui = 0; ui < uiTilesAcross; ui++) { m_pcBufferSbacCoders[ui].init( &m_pcBufferBinCoderCABACs[ui] ); } for (UInt ui = 0; ui < uiTilesAcross; ui++) { m_pcBufferSbacCoders[ui].load(m_pppcRDSbacCoder[0][CI_CURR_BEST]); //init. state } for ( UInt ui = 0 ; ui < iNumSubstreams ; ui++ ) //init all sbac coders for RD optimization { ppppcRDSbacCoders[ui][0][CI_CURR_BEST]->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]); } } //if( m_pcCfg->getUseSBACRD() ) { delete[] m_pcBufferLowLatSbacCoders; delete[] m_pcBufferLowLatBinCoderCABACs; m_pcBufferLowLatSbacCoders = new TEncSbac [uiTilesAcross]; m_pcBufferLowLatBinCoderCABACs = new TEncBinCABAC[uiTilesAcross]; for (int ui = 0; ui < uiTilesAcross; ui++) { m_pcBufferLowLatSbacCoders[ui].init( &m_pcBufferLowLatBinCoderCABACs[ui] ); } for (UInt ui = 0; ui < uiTilesAcross; ui++) m_pcBufferLowLatSbacCoders[ui].load(m_pppcRDSbacCoder[0][CI_CURR_BEST]); //init. state } UInt uiWidthInLCUs = rpcPic->getPicSym()->getFrameWidthInCU(); //UInt uiHeightInLCUs = rpcPic->getPicSym()->getFrameHeightInCU(); UInt uiCol=0, uiLin=0, uiSubStrm=0; UInt uiTileCol = 0; UInt uiTileStartLCU = 0; UInt uiTileLCUX = 0; #if INTRA_BL m_pcCuEncoder->setBaseRecPic( rpcPic->getLayerId() > 0 ? rpcPic->getFullPelBaseRec() : NULL); #endif #if DEPENDENT_SLICES Bool bAllowDependence = false; #if TILES_WPP_ENTROPYSLICES_FLAGS if( pcSlice->getPPS()->getDependentSliceEnabledFlag()&&(!pcSlice->getPPS()->getEntropySliceEnabledFlag()) ) #else if( pcSlice->getPPS()->getDependentSliceEnabledFlag()&&(!pcSlice->getPPS()->getCabacIndependentFlag()) ) #endif { bAllowDependence = true; } if( bAllowDependence ) { if(pcSlice->getDependentSliceCurStartCUAddr()!= pcSlice->getSliceCurStartCUAddr()) { if( m_pcCfg->getWaveFrontsynchro() ) { m_pcBufferSbacCoders[uiTileCol].loadContexts( CTXMem[1] ); } m_pppcRDSbacCoder[0][CI_CURR_BEST]->loadContexts( CTXMem[0] ); if (pcSlice->getPPS()->getNumSubstreams() > 1) { Int iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles(); uiCUAddr = rpcPic->getPicSym()->getCUOrderMap( uiStartCUAddr /rpcPic->getNumPartInCU()); uiLin = uiCUAddr / uiWidthInLCUs; uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(rpcPic->getPicSym()->getCUOrderMap(uiCUAddr))*iNumSubstreamsPerTile + uiLin%iNumSubstreamsPerTile; } ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST]->loadContexts( CTXMem[0] ); } else { if(m_pcCfg->getWaveFrontsynchro()) { CTXMem[1]->loadContexts(m_pcSbacCoder); } CTXMem[0]->loadContexts(m_pcSbacCoder); } } #endif // for every CU in slice UInt uiEncCUOrder; uiCUAddr = rpcPic->getPicSym()->getCUOrderMap( uiStartCUAddr /rpcPic->getNumPartInCU()); for( uiEncCUOrder = uiStartCUAddr/rpcPic->getNumPartInCU(); uiEncCUOrder < (uiBoundingCUAddr+(rpcPic->getNumPartInCU()-1))/rpcPic->getNumPartInCU(); uiCUAddr = rpcPic->getPicSym()->getCUOrderMap(++uiEncCUOrder) ) { // initialize CU encoder TComDataCU*& pcCU = rpcPic->getCU( uiCUAddr ); pcCU->initCU( rpcPic, uiCUAddr ); #if SVC_EXTENSION pcCU->setLayerId(m_pcCfg->getLayerId()); #endif if(m_pcCfg->getUseRateCtrl()) { if(m_pcRateCtrl->calculateUnitQP()) { xLamdaRecalculation(m_pcRateCtrl->getUnitQP(), m_pcRateCtrl->getGOPId(), pcSlice->getDepth(), pcSlice->getSliceType(), pcSlice->getSPS(), pcSlice ); } } // inherit from TR if necessary, select substream to use. if( m_pcCfg->getUseSBACRD() ) { uiTileCol = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); // what column of tiles are we in? uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr(); uiTileLCUX = uiTileStartLCU % uiWidthInLCUs; //UInt uiSliceStartLCU = pcSlice->getSliceCurStartCUAddr(); uiCol = uiCUAddr % uiWidthInLCUs; uiLin = uiCUAddr / uiWidthInLCUs; if (pcSlice->getPPS()->getNumSubstreams() > 1) { // independent tiles => substreams are "per tile". iNumSubstreams has already been multiplied. Int iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles(); uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr)*iNumSubstreamsPerTile + uiLin%iNumSubstreamsPerTile; } else { // dependent tiles => substreams are "per frame". uiSubStrm = uiLin % iNumSubstreams; } #if DEPENDENT_SLICES if ( ((pcSlice->getPPS()->getNumSubstreams() > 1) || bAllowDependence ) && (uiCol == uiTileLCUX) && m_pcCfg->getWaveFrontsynchro()) #else if ( pcSlice->getPPS()->getNumSubstreams() > 1 && (uiCol == uiTileLCUX) ) #endif { // We'll sync if the TR is available. TComDataCU *pcCUUp = pcCU->getCUAbove(); UInt uiWidthInCU = rpcPic->getFrameWidthInCU(); UInt uiMaxParts = 1<<(pcSlice->getSPS()->getMaxCUDepth()<<1); TComDataCU *pcCUTR = NULL; if ( pcCUUp && ((uiCUAddr%uiWidthInCU+1) < uiWidthInCU) ) { pcCUTR = rpcPic->getCU( uiCUAddr - uiWidthInCU + 1 ); } if ( ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || (pcCUTR->getSCUAddr()+uiMaxParts-1 < pcSlice->getSliceCurStartCUAddr()) || ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))) )|| ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || (pcCUTR->getSCUAddr()+uiMaxParts-1 < pcSlice->getDependentSliceCurStartCUAddr()) || ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))) ) ) { #if DEPENDENT_SLICES if ( (uiCUAddr != 0) && (pcCUTR->getSCUAddr()+uiMaxParts-1 >= pcSlice->getSliceCurStartCUAddr()) && bAllowDependence) { ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST]->loadContexts( &m_pcBufferSbacCoders[uiTileCol] ); } #endif // TR not available. } else { // TR is available, we use it. ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST]->loadContexts( &m_pcBufferSbacCoders[uiTileCol] ); } } m_pppcRDSbacCoder[0][CI_CURR_BEST]->load( ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST] ); //this load is used to simplify the code } // reset the entropy coder if( uiCUAddr == rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr() && // must be first CU of tile uiCUAddr!=0 && // cannot be first CU of picture #if DEPENDENT_SLICES uiCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getDependentSliceCurStartCUAddr())/rpcPic->getNumPartInCU() && #endif uiCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr())/rpcPic->getNumPartInCU()) // cannot be first CU of slice { SliceType sliceType = pcSlice->getSliceType(); if (!pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag() && pcSlice->getPPS()->getEncCABACTableIdx()!=I_SLICE) { sliceType = (SliceType) pcSlice->getPPS()->getEncCABACTableIdx(); } m_pcEntropyCoder->updateContextTables ( sliceType, pcSlice->getSliceQp(), false ); m_pcEntropyCoder->setEntropyCoder ( m_pppcRDSbacCoder[0][CI_CURR_BEST], pcSlice ); m_pcEntropyCoder->updateContextTables ( sliceType, pcSlice->getSliceQp() ); m_pcEntropyCoder->setEntropyCoder ( m_pcSbacCoder, pcSlice ); } // if RD based on SBAC is used if( m_pcCfg->getUseSBACRD() ) { // set go-on entropy coder m_pcEntropyCoder->setEntropyCoder ( m_pcRDGoOnSbacCoder, pcSlice ); m_pcEntropyCoder->setBitstream( &pcBitCounters[uiSubStrm] ); ((TEncBinCABAC*)m_pcRDGoOnSbacCoder->getEncBinIf())->setBinCountingEnableFlag(true); // run CU encoder m_pcCuEncoder->compressCU( pcCU ); // restore entropy coder to an initial stage m_pcEntropyCoder->setEntropyCoder ( m_pppcRDSbacCoder[0][CI_CURR_BEST], pcSlice ); m_pcEntropyCoder->setBitstream( &pcBitCounters[uiSubStrm] ); m_pcCuEncoder->setBitCounter( &pcBitCounters[uiSubStrm] ); m_pcBitCounter = &pcBitCounters[uiSubStrm]; pppcRDSbacCoder->setBinCountingEnableFlag( true ); m_pcBitCounter->resetBits(); pppcRDSbacCoder->setBinsCoded( 0 ); m_pcCuEncoder->encodeCU( pcCU ); pppcRDSbacCoder->setBinCountingEnableFlag( false ); if (m_pcCfg->getSliceMode()==AD_HOC_SLICES_FIXED_NUMBER_OF_BYTES_IN_SLICE && ( ( pcSlice->getSliceBits() + m_pcEntropyCoder->getNumberOfWrittenBits() ) ) > m_pcCfg->getSliceArgument()<<3) { pcSlice->setNextSlice( true ); break; } if (m_pcCfg->getDependentSliceMode()==SHARP_MULTIPLE_CONSTRAINT_BASED_DEPENDENT_SLICE && pcSlice->getDependentSliceCounter()+pppcRDSbacCoder->getBinsCoded() > m_pcCfg->getDependentSliceArgument()&&pcSlice->getSliceCurEndCUAddr()!=pcSlice->getDependentSliceCurEndCUAddr()) { pcSlice->setNextDependentSlice( true ); break; } if( m_pcCfg->getUseSBACRD() ) { ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST]->load( m_pppcRDSbacCoder[0][CI_CURR_BEST] ); //Store probabilties of second LCU in line into buffer #if DEPENDENT_SLICES if ( ( uiCol == uiTileLCUX+1) && (bAllowDependence || (pcSlice->getPPS()->getNumSubstreams() > 1)) && m_pcCfg->getWaveFrontsynchro()) #else if (pcSlice->getPPS()->getNumSubstreams() > 1 && uiCol == uiTileLCUX+1) #endif { m_pcBufferSbacCoders[uiTileCol].loadContexts(ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST]); } } } // other case: encodeCU is not called else { m_pcCuEncoder->compressCU( pcCU ); m_pcCuEncoder->encodeCU( pcCU ); if (m_pcCfg->getSliceMode()==AD_HOC_SLICES_FIXED_NUMBER_OF_BYTES_IN_SLICE && ( ( pcSlice->getSliceBits()+ m_pcEntropyCoder->getNumberOfWrittenBits() ) ) > m_pcCfg->getSliceArgument()<<3) { pcSlice->setNextSlice( true ); break; } if (m_pcCfg->getDependentSliceMode()==SHARP_MULTIPLE_CONSTRAINT_BASED_DEPENDENT_SLICE && pcSlice->getDependentSliceCounter()+ m_pcEntropyCoder->getNumberOfWrittenBits()> m_pcCfg->getDependentSliceArgument()&&pcSlice->getSliceCurEndCUAddr()!=pcSlice->getDependentSliceCurEndCUAddr()) { pcSlice->setNextDependentSlice( true ); break; } } m_uiPicTotalBits += pcCU->getTotalBits(); m_dPicRdCost += pcCU->getTotalCost(); m_uiPicDist += pcCU->getTotalDistortion(); if(m_pcCfg->getUseRateCtrl()) { m_pcRateCtrl->updateLCUData(pcCU, pcCU->getTotalBits(), pcCU->getQP(0)); m_pcRateCtrl->updataRCUnitStatus(); } } #if DEPENDENT_SLICES if ((pcSlice->getPPS()->getNumSubstreams() > 1) && !bAllowDependence) #else if (pcSlice->getPPS()->getNumSubstreams() > 1) #endif { pcSlice->setNextSlice( true ); } #if DEPENDENT_SLICES if( bAllowDependence ) { if (m_pcCfg->getWaveFrontsynchro()) { CTXMem[1]->loadContexts( &m_pcBufferSbacCoders[uiTileCol] );//ctx 2.LCU } CTXMem[0]->loadContexts( m_pppcRDSbacCoder[0][CI_CURR_BEST] );//ctx end of dep.slice } #endif xRestoreWPparam( pcSlice ); if(m_pcCfg->getUseRateCtrl()) { m_pcRateCtrl->updateFrameData(m_uiPicTotalBits); } } /** \param rpcPic picture class \retval rpcBitstream bitstream class */ Void TEncSlice::encodeSlice ( TComPic*& rpcPic, TComOutputBitstream* pcBitstream, TComOutputBitstream* pcSubstreams ) { UInt uiCUAddr; UInt uiStartCUAddr; UInt uiBoundingCUAddr; TComSlice* pcSlice = rpcPic->getSlice(getSliceIdx()); uiStartCUAddr=pcSlice->getDependentSliceCurStartCUAddr(); uiBoundingCUAddr=pcSlice->getDependentSliceCurEndCUAddr(); // choose entropy coder { m_pcSbacCoder->init( (TEncBinIf*)m_pcBinCABAC ); m_pcEntropyCoder->setEntropyCoder ( m_pcSbacCoder, pcSlice ); } m_pcCuEncoder->setBitCounter( NULL ); m_pcBitCounter = NULL; // Appropriate substream bitstream is switched later. // for every CU #if ENC_DEC_TRACE g_bJustDoIt = g_bEncDecTraceEnable; #endif DTRACE_CABAC_VL( g_nSymbolCounter++ ); DTRACE_CABAC_T( "\tPOC: " ); DTRACE_CABAC_V( rpcPic->getPOC() ); DTRACE_CABAC_T( "\n" ); #if ENC_DEC_TRACE g_bJustDoIt = g_bEncDecTraceDisable; #endif TEncTop* pcEncTop = (TEncTop*) m_pcCfg; TEncSbac* pcSbacCoders = pcEncTop->getSbacCoders(); //coder for each substream Int iNumSubstreams = pcSlice->getPPS()->getNumSubstreams(); UInt uiBitsOriginallyInSubstreams = 0; { UInt uiTilesAcross = rpcPic->getPicSym()->getNumColumnsMinus1()+1; for (UInt ui = 0; ui < uiTilesAcross; ui++) { m_pcBufferSbacCoders[ui].load(m_pcSbacCoder); //init. state } for (Int iSubstrmIdx=0; iSubstrmIdx < iNumSubstreams; iSubstrmIdx++) { uiBitsOriginallyInSubstreams += pcSubstreams[iSubstrmIdx].getNumberOfWrittenBits(); } for (UInt ui = 0; ui < uiTilesAcross; ui++) { m_pcBufferLowLatSbacCoders[ui].load(m_pcSbacCoder); //init. state } } UInt uiWidthInLCUs = rpcPic->getPicSym()->getFrameWidthInCU(); UInt uiCol=0, uiLin=0, uiSubStrm=0; UInt uiTileCol = 0; UInt uiTileStartLCU = 0; UInt uiTileLCUX = 0; #if DEPENDENT_SLICES Bool bAllowDependence = false; #if TILES_WPP_ENTROPYSLICES_FLAGS if( pcSlice->getPPS()->getDependentSliceEnabledFlag()&&(!pcSlice->getPPS()->getEntropySliceEnabledFlag()) ) #else if( pcSlice->getPPS()->getDependentSliceEnabledFlag()&&(!pcSlice->getPPS()->getCabacIndependentFlag()) ) #endif { bAllowDependence = true; } if( bAllowDependence ) { if(pcSlice->isNextSlice()) { if(m_pcCfg->getWaveFrontsynchro()) { CTXMem[1]->loadContexts(m_pcSbacCoder); } CTXMem[0]->loadContexts(m_pcSbacCoder); } else { if(m_pcCfg->getWaveFrontsynchro()) { m_pcBufferSbacCoders[uiTileCol].loadContexts( CTXMem[1] ); } if(pcSlice->getPPS()->getNumSubstreams() > 1) { Int iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles(); uiCUAddr = rpcPic->getPicSym()->getCUOrderMap( uiStartCUAddr /rpcPic->getNumPartInCU()); uiLin = uiCUAddr / uiWidthInLCUs; uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(rpcPic->getPicSym()->getCUOrderMap( uiCUAddr))*iNumSubstreamsPerTile + uiLin%iNumSubstreamsPerTile; } pcSbacCoders[uiSubStrm].loadContexts( CTXMem[0] ); } } #endif UInt uiEncCUOrder; uiCUAddr = rpcPic->getPicSym()->getCUOrderMap( uiStartCUAddr /rpcPic->getNumPartInCU()); /*for tiles, uiStartCUAddr is NOT the real raster scan address, it is actually an encoding order index, so we need to convert the index (uiStartCUAddr) into the real raster scan address (uiCUAddr) via the CUOrderMap*/ for( uiEncCUOrder = uiStartCUAddr /rpcPic->getNumPartInCU(); uiEncCUOrder < (uiBoundingCUAddr+rpcPic->getNumPartInCU()-1)/rpcPic->getNumPartInCU(); uiCUAddr = rpcPic->getPicSym()->getCUOrderMap(++uiEncCUOrder) ) { if( m_pcCfg->getUseSBACRD() ) { uiTileCol = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); // what column of tiles are we in? uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr(); uiTileLCUX = uiTileStartLCU % uiWidthInLCUs; //UInt uiSliceStartLCU = pcSlice->getSliceCurStartCUAddr(); uiCol = uiCUAddr % uiWidthInLCUs; uiLin = uiCUAddr / uiWidthInLCUs; if (pcSlice->getPPS()->getNumSubstreams() > 1) { // independent tiles => substreams are "per tile". iNumSubstreams has already been multiplied. Int iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles(); uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr)*iNumSubstreamsPerTile + uiLin%iNumSubstreamsPerTile; } else { // dependent tiles => substreams are "per frame". uiSubStrm = uiLin % iNumSubstreams; } m_pcEntropyCoder->setBitstream( &pcSubstreams[uiSubStrm] ); // Synchronize cabac probabilities with upper-right LCU if it's available and we're at the start of a line. #if DEPENDENT_SLICES if (((pcSlice->getPPS()->getNumSubstreams() > 1) || bAllowDependence) && (uiCol == uiTileLCUX) && m_pcCfg->getWaveFrontsynchro()) #else if (pcSlice->getPPS()->getNumSubstreams() > 1 && (uiCol == uiTileLCUX)) #endif { // We'll sync if the TR is available. TComDataCU *pcCUUp = rpcPic->getCU( uiCUAddr )->getCUAbove(); UInt uiWidthInCU = rpcPic->getFrameWidthInCU(); UInt uiMaxParts = 1<<(pcSlice->getSPS()->getMaxCUDepth()<<1); TComDataCU *pcCUTR = NULL; if ( pcCUUp && ((uiCUAddr%uiWidthInCU+1) < uiWidthInCU) ) { pcCUTR = rpcPic->getCU( uiCUAddr - uiWidthInCU + 1 ); } if ( (true/*bEnforceSliceRestriction*/ && ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || (pcCUTR->getSCUAddr()+uiMaxParts-1 < pcSlice->getSliceCurStartCUAddr()) || ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))) ))|| (true/*bEnforceDependentSliceRestriction*/ && ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || (pcCUTR->getSCUAddr()+uiMaxParts-1 < pcSlice->getDependentSliceCurStartCUAddr()) || ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))) )) ) { #if DEPENDENT_SLICES if ( (uiCUAddr != 0) && ( pcCUTR->getSCUAddr()+uiMaxParts-1 >= pcSlice->getSliceCurStartCUAddr() ) && bAllowDependence) { pcSbacCoders[uiSubStrm].loadContexts( &m_pcBufferSbacCoders[uiTileCol] ); } #endif // TR not available. } else { // TR is available, we use it. pcSbacCoders[uiSubStrm].loadContexts( &m_pcBufferSbacCoders[uiTileCol] ); } } m_pcSbacCoder->load(&pcSbacCoders[uiSubStrm]); //this load is used to simplify the code (avoid to change all the call to m_pcSbacCoder) } // reset the entropy coder if( uiCUAddr == rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr() && // must be first CU of tile uiCUAddr!=0 && // cannot be first CU of picture #if DEPENDENT_SLICES uiCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getDependentSliceCurStartCUAddr())/rpcPic->getNumPartInCU() && #endif uiCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr())/rpcPic->getNumPartInCU()) // cannot be first CU of slice { { // We're crossing into another tile, tiles are independent. // When tiles are independent, we have "substreams per tile". Each substream has already been terminated, and we no longer // have to perform it here. if (pcSlice->getPPS()->getNumSubstreams() > 1) { ; // do nothing. } else { SliceType sliceType = pcSlice->getSliceType(); if (!pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag() && pcSlice->getPPS()->getEncCABACTableIdx()!=I_SLICE) { sliceType = (SliceType) pcSlice->getPPS()->getEncCABACTableIdx(); } m_pcEntropyCoder->updateContextTables( sliceType, pcSlice->getSliceQp() ); #if BYTE_ALIGNMENT // Byte-alignment in slice_data() when new tile pcSubstreams[uiSubStrm].writeByteAlignment(); #else pcSubstreams[uiSubStrm].write( 1, 1 ); pcSubstreams[uiSubStrm].writeAlignZero(); #endif } } { UInt uiCounter = 0; vector& rbsp = pcSubstreams[uiSubStrm].getFIFO(); for (vector::iterator it = rbsp.begin(); it != rbsp.end();) { /* 1) find the next emulated 00 00 {00,01,02,03} * 2a) if not found, write all remaining bytes out, stop. * 2b) otherwise, write all non-emulated bytes out * 3) insert emulation_prevention_three_byte */ vector::iterator found = it; do { /* NB, end()-1, prevents finding a trailing two byte sequence */ found = search_n(found, rbsp.end()-1, 2, 0); found++; /* if not found, found == end, otherwise found = second zero byte */ if (found == rbsp.end()) { break; } if (*(++found) <= 3) { break; } } while (true); it = found; if (found != rbsp.end()) { it++; uiCounter++; } } UInt uiAccumulatedSubstreamLength = 0; for (Int iSubstrmIdx=0; iSubstrmIdx < iNumSubstreams; iSubstrmIdx++) { uiAccumulatedSubstreamLength += pcSubstreams[iSubstrmIdx].getNumberOfWrittenBits(); } // add bits coded in previous dependent slices + bits coded so far // add number of emulation prevention byte count in the tile pcSlice->addTileLocation( ((pcSlice->getTileOffstForMultES() + uiAccumulatedSubstreamLength - uiBitsOriginallyInSubstreams) >> 3) + uiCounter ); } } TComDataCU*& pcCU = rpcPic->getCU( uiCUAddr ); #if !SAO_LUM_CHROMA_ONOFF_FLAGS if ( pcSlice->getSPS()->getUseSAO() && pcSlice->getSaoEnabledFlag() ) #else if ( pcSlice->getSPS()->getUseSAO() && (pcSlice->getSaoEnabledFlag()||pcSlice->getSaoEnabledFlagChroma()) ) #endif { #if REMOVE_APS SAOParam *saoParam = pcSlice->getPic()->getPicSym()->getSaoParam(); #else SAOParam *saoParam = pcSlice->getAPS()->getSaoParam(); #endif Int iNumCuInWidth = saoParam->numCuInWidth; Int iCUAddrInSlice = uiCUAddr - rpcPic->getPicSym()->getCUOrderMap(pcSlice->getSliceCurStartCUAddr()/rpcPic->getNumPartInCU()); Int iCUAddrUpInSlice = iCUAddrInSlice - iNumCuInWidth; Int rx = uiCUAddr % iNumCuInWidth; Int ry = uiCUAddr / iNumCuInWidth; Int allowMergeLeft = 1; Int allowMergeUp = 1; if (rx!=0) { if (rpcPic->getPicSym()->getTileIdxMap(uiCUAddr-1) != rpcPic->getPicSym()->getTileIdxMap(uiCUAddr)) { allowMergeLeft = 0; } } if (ry!=0) { if (rpcPic->getPicSym()->getTileIdxMap(uiCUAddr-iNumCuInWidth) != rpcPic->getPicSym()->getTileIdxMap(uiCUAddr)) { allowMergeUp = 0; } } Int addr = pcCU->getAddr(); #if SAO_SINGLE_MERGE allowMergeLeft = allowMergeLeft && (rx>0) && (iCUAddrInSlice!=0); allowMergeUp = allowMergeUp && (ry>0) && (iCUAddrUpInSlice>=0); #if SAO_TYPE_SHARING if( saoParam->bSaoFlag[0] || saoParam->bSaoFlag[1] ) #else if( saoParam->bSaoFlag[0] || saoParam->bSaoFlag[1] || saoParam->bSaoFlag[2]) #endif { Int mergeLeft = saoParam->saoLcuParam[0][addr].mergeLeftFlag; Int mergeUp = saoParam->saoLcuParam[0][addr].mergeUpFlag; if (allowMergeLeft) { #if SAO_MERGE_ONE_CTX m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(mergeLeft); #else m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMergeLeft(mergeLeft, 0); #endif } else { mergeLeft = 0; } if(mergeLeft == 0) { if (allowMergeUp) { #if SAO_MERGE_ONE_CTX m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(mergeUp); #else m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMergeUp(mergeUp); #endif } else { mergeUp = 0; } if(mergeUp == 0) { for (Int compIdx=0;compIdx<3;compIdx++) { #if SAO_TYPE_SHARING if( (compIdx == 0 && saoParam->bSaoFlag[0]) || (compIdx > 0 && saoParam->bSaoFlag[1])) #else if( saoParam->bSaoFlag[compIdx]) #endif { #if SAO_TYPE_SHARING m_pcEntropyCoder->encodeSaoOffset(&saoParam->saoLcuParam[compIdx][addr], compIdx); #else m_pcEntropyCoder->encodeSaoOffset(&saoParam->saoLcuParam[compIdx][addr]); #endif } } } } } #else m_pcEntropyCoder->encodeSaoUnitInterleaving(0, saoParam->bSaoFlag[0], rx, ry, &(saoParam->saoLcuParam[0][addr]), iCUAddrInSlice, iCUAddrUpInSlice, allowMergeLeft, allowMergeUp); m_pcEntropyCoder->encodeSaoUnitInterleaving(1, saoParam->bSaoFlag[1], rx, ry, &(saoParam->saoLcuParam[1][addr]), iCUAddrInSlice, iCUAddrUpInSlice, allowMergeLeft, allowMergeUp); m_pcEntropyCoder->encodeSaoUnitInterleaving(2, saoParam->bSaoFlag[2], rx, ry, &(saoParam->saoLcuParam[2][addr]), iCUAddrInSlice, iCUAddrUpInSlice, allowMergeLeft, allowMergeUp); #endif } #if ENC_DEC_TRACE g_bJustDoIt = g_bEncDecTraceEnable; #endif #if !REMOVE_ALF if( pcSlice->getSPS()->getUseALF()) { for(Int compIdx=0; compIdx< 3; compIdx++) { if(pcSlice->getAlfEnabledFlag(compIdx)) { m_pcEntropyCoder->encodeAlfCtrlFlag(compIdx, pcCU->getAlfLCUEnabled(compIdx)?1:0); } } } #endif if ( (m_pcCfg->getSliceMode()!=0 || m_pcCfg->getDependentSliceMode()!=0) && uiCUAddr == rpcPic->getPicSym()->getCUOrderMap((uiBoundingCUAddr+rpcPic->getNumPartInCU()-1)/rpcPic->getNumPartInCU()-1) ) { m_pcCuEncoder->encodeCU( pcCU, true ); } else { m_pcCuEncoder->encodeCU( pcCU ); } #if ENC_DEC_TRACE g_bJustDoIt = g_bEncDecTraceDisable; #endif if( m_pcCfg->getUseSBACRD() ) { pcSbacCoders[uiSubStrm].load(m_pcSbacCoder); //load back status of the entropy coder after encoding the LCU into relevant bitstream entropy coder //Store probabilties of second LCU in line into buffer #if DEPENDENT_SLICES if ( (bAllowDependence || (pcSlice->getPPS()->getNumSubstreams() > 1)) && (uiCol == uiTileLCUX+1) && m_pcCfg->getWaveFrontsynchro()) #else if (pcSlice->getPPS()->getNumSubstreams() > 1 && (uiCol == uiTileLCUX+1)) #endif { m_pcBufferSbacCoders[uiTileCol].loadContexts( &pcSbacCoders[uiSubStrm] ); } } } #if DEPENDENT_SLICES if( bAllowDependence ) { if (m_pcCfg->getWaveFrontsynchro()) { CTXMem[1]->loadContexts( &m_pcBufferSbacCoders[uiTileCol] );//ctx 2.LCU } CTXMem[0]->loadContexts( m_pcSbacCoder );//ctx end of dep.slice } #endif #if ADAPTIVE_QP_SELECTION if( m_pcCfg->getUseAdaptQpSelect() ) { m_pcTrQuant->storeSliceQpNext(pcSlice); } #endif if (pcSlice->getPPS()->getCabacInitPresentFlag()) { if (pcSlice->getPPS()->getDependentSliceEnabledFlag()) { pcSlice->getPPS()->setEncCABACTableIdx( pcSlice->getSliceType() ); } else { m_pcEntropyCoder->determineCabacInitIdx(); } } } /** Determines the starting and bounding LCU address of current slice / dependent slice * \param bEncodeSlice Identifies if the calling function is compressSlice() [false] or encodeSlice() [true] * \returns Updates uiStartCUAddr, uiBoundingCUAddr with appropriate LCU address */ Void TEncSlice::xDetermineStartAndBoundingCUAddr ( UInt& uiStartCUAddr, UInt& uiBoundingCUAddr, TComPic*& rpcPic, Bool bEncodeSlice ) { TComSlice* pcSlice = rpcPic->getSlice(getSliceIdx()); UInt uiStartCUAddrSlice, uiBoundingCUAddrSlice; UInt tileIdxIncrement; UInt tileIdx; UInt tileWidthInLcu; UInt tileHeightInLcu; UInt tileTotalCount; uiStartCUAddrSlice = pcSlice->getSliceCurStartCUAddr(); UInt uiNumberOfCUsInFrame = rpcPic->getNumCUsInFrame(); uiBoundingCUAddrSlice = uiNumberOfCUsInFrame; if (bEncodeSlice) { UInt uiCUAddrIncrement; switch (m_pcCfg->getSliceMode()) { case AD_HOC_SLICES_FIXED_NUMBER_OF_LCU_IN_SLICE: uiCUAddrIncrement = m_pcCfg->getSliceArgument(); uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; case AD_HOC_SLICES_FIXED_NUMBER_OF_BYTES_IN_SLICE: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); uiBoundingCUAddrSlice = pcSlice->getSliceCurEndCUAddr(); break; case AD_HOC_SLICES_FIXED_NUMBER_OF_TILES_IN_SLICE: tileIdx = rpcPic->getPicSym()->getTileIdxMap( rpcPic->getPicSym()->getCUOrderMap(uiStartCUAddrSlice/rpcPic->getNumPartInCU()) ); uiCUAddrIncrement = 0; tileTotalCount = (rpcPic->getPicSym()->getNumColumnsMinus1()+1) * (rpcPic->getPicSym()->getNumRowsMinus1()+1); for(tileIdxIncrement = 0; tileIdxIncrement < m_pcCfg->getSliceArgument(); tileIdxIncrement++) { if((tileIdx + tileIdxIncrement) < tileTotalCount) { tileWidthInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidth(); tileHeightInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeight(); #if REMOVE_FGS uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); #else uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()) >> (m_pcCfg->getSliceGranularity() << 1); #endif } } uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; default: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); uiBoundingCUAddrSlice = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; } pcSlice->setSliceCurEndCUAddr( uiBoundingCUAddrSlice ); } else { UInt uiCUAddrIncrement ; switch (m_pcCfg->getSliceMode()) { case AD_HOC_SLICES_FIXED_NUMBER_OF_LCU_IN_SLICE: uiCUAddrIncrement = m_pcCfg->getSliceArgument(); uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; case AD_HOC_SLICES_FIXED_NUMBER_OF_TILES_IN_SLICE: tileIdx = rpcPic->getPicSym()->getTileIdxMap( rpcPic->getPicSym()->getCUOrderMap(uiStartCUAddrSlice/rpcPic->getNumPartInCU()) ); uiCUAddrIncrement = 0; tileTotalCount = (rpcPic->getPicSym()->getNumColumnsMinus1()+1) * (rpcPic->getPicSym()->getNumRowsMinus1()+1); for(tileIdxIncrement = 0; tileIdxIncrement < m_pcCfg->getSliceArgument(); tileIdxIncrement++) { if((tileIdx + tileIdxIncrement) < tileTotalCount) { tileWidthInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidth(); tileHeightInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeight(); #if REMOVE_FGS uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); #else uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()) >> (m_pcCfg->getSliceGranularity() << 1); #endif } } uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; default: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); uiBoundingCUAddrSlice = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; } // set the slice end address to the end of the SCU row if the slice does not start at the beginning of an SCU row if (pcSlice->getPPS()->getNumSubstreams() > 1 && (uiStartCUAddrSlice % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU()) != 0)) { uiBoundingCUAddrSlice = uiStartCUAddrSlice - (uiStartCUAddrSlice % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())) + (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU()); } pcSlice->setSliceCurEndCUAddr( uiBoundingCUAddrSlice ); } Bool tileBoundary = false; if ((m_pcCfg->getSliceMode() == AD_HOC_SLICES_FIXED_NUMBER_OF_LCU_IN_SLICE || m_pcCfg->getSliceMode() == AD_HOC_SLICES_FIXED_NUMBER_OF_BYTES_IN_SLICE) && (m_pcCfg->getNumRowsMinus1() > 0 || m_pcCfg->getNumColumnsMinus1() > 0)) { UInt lcuEncAddr = (uiStartCUAddrSlice+rpcPic->getNumPartInCU()-1)/rpcPic->getNumPartInCU(); UInt lcuAddr = rpcPic->getPicSym()->getCUOrderMap(lcuEncAddr); UInt startTileIdx = rpcPic->getPicSym()->getTileIdxMap(lcuAddr); UInt tileBoundingCUAddrSlice = 0; while (lcuEncAddr < uiNumberOfCUsInFrame && rpcPic->getPicSym()->getTileIdxMap(lcuAddr) == startTileIdx) { lcuEncAddr++; lcuAddr = rpcPic->getPicSym()->getCUOrderMap(lcuEncAddr); } tileBoundingCUAddrSlice = lcuEncAddr*rpcPic->getNumPartInCU(); if (tileBoundingCUAddrSlice < uiBoundingCUAddrSlice) { uiBoundingCUAddrSlice = tileBoundingCUAddrSlice; pcSlice->setSliceCurEndCUAddr( uiBoundingCUAddrSlice ); tileBoundary = true; } } // Dependent slice UInt uiStartCUAddrDependentSlice, uiBoundingCUAddrDependentSlice; uiStartCUAddrDependentSlice = pcSlice->getDependentSliceCurStartCUAddr(); uiBoundingCUAddrDependentSlice = uiNumberOfCUsInFrame; if (bEncodeSlice) { UInt uiCUAddrIncrement; switch (m_pcCfg->getDependentSliceMode()) { case SHARP_FIXED_NUMBER_OF_LCU_IN_DEPENDENT_SLICE: uiCUAddrIncrement = m_pcCfg->getDependentSliceArgument(); uiBoundingCUAddrDependentSlice = ((uiStartCUAddrDependentSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (uiStartCUAddrDependentSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; case SHARP_MULTIPLE_CONSTRAINT_BASED_DEPENDENT_SLICE: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); uiBoundingCUAddrDependentSlice = pcSlice->getDependentSliceCurEndCUAddr(); break; #if DEPENDENT_SLICES case FIXED_NUMBER_OF_TILES_IN_DEPENDENT_SLICE: tileIdx = rpcPic->getPicSym()->getTileIdxMap( rpcPic->getPicSym()->getCUOrderMap(pcSlice->getDependentSliceCurStartCUAddr()/rpcPic->getNumPartInCU()) ); uiCUAddrIncrement = 0; tileTotalCount = (rpcPic->getPicSym()->getNumColumnsMinus1()+1) * (rpcPic->getPicSym()->getNumRowsMinus1()+1); for(tileIdxIncrement = 0; tileIdxIncrement < m_pcCfg->getDependentSliceArgument(); tileIdxIncrement++) { if((tileIdx + tileIdxIncrement) < tileTotalCount) { tileWidthInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidth(); tileHeightInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeight(); #if REMOVE_FGS uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); #else uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()) >> (m_pcCfg->getSliceGranularity() << 1); #endif } } uiBoundingCUAddrDependentSlice = ((uiStartCUAddrDependentSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (uiStartCUAddrDependentSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; #endif default: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); uiBoundingCUAddrDependentSlice = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; } pcSlice->setDependentSliceCurEndCUAddr( uiBoundingCUAddrDependentSlice ); } else { UInt uiCUAddrIncrement; switch (m_pcCfg->getDependentSliceMode()) { case SHARP_FIXED_NUMBER_OF_LCU_IN_DEPENDENT_SLICE: uiCUAddrIncrement = m_pcCfg->getDependentSliceArgument(); uiBoundingCUAddrDependentSlice = ((uiStartCUAddrDependentSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (uiStartCUAddrDependentSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; #if DEPENDENT_SLICES case FIXED_NUMBER_OF_TILES_IN_DEPENDENT_SLICE: tileIdx = rpcPic->getPicSym()->getTileIdxMap( rpcPic->getPicSym()->getCUOrderMap(pcSlice->getDependentSliceCurStartCUAddr()/rpcPic->getNumPartInCU()) ); uiCUAddrIncrement = 0; tileTotalCount = (rpcPic->getPicSym()->getNumColumnsMinus1()+1) * (rpcPic->getPicSym()->getNumRowsMinus1()+1); for(tileIdxIncrement = 0; tileIdxIncrement < m_pcCfg->getDependentSliceArgument(); tileIdxIncrement++) { if((tileIdx + tileIdxIncrement) < tileTotalCount) { tileWidthInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidth(); tileHeightInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeight(); #if REMOVE_FGS uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); #else uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()) >> (m_pcCfg->getSliceGranularity() << 1); #endif } } uiBoundingCUAddrDependentSlice = ((uiStartCUAddrDependentSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (uiStartCUAddrDependentSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; #endif default: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); uiBoundingCUAddrDependentSlice = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; } pcSlice->setDependentSliceCurEndCUAddr( uiBoundingCUAddrDependentSlice ); } if(uiBoundingCUAddrDependentSlice>uiBoundingCUAddrSlice) { uiBoundingCUAddrDependentSlice = uiBoundingCUAddrSlice; pcSlice->setDependentSliceCurEndCUAddr(uiBoundingCUAddrSlice); } //calculate real dependent slice start address UInt uiInternalAddress = rpcPic->getPicSym()->getPicSCUAddr(pcSlice->getDependentSliceCurStartCUAddr()) % rpcPic->getNumPartInCU(); UInt uiExternalAddress = rpcPic->getPicSym()->getPicSCUAddr(pcSlice->getDependentSliceCurStartCUAddr()) / rpcPic->getNumPartInCU(); UInt uiPosX = ( uiExternalAddress % rpcPic->getFrameWidthInCU() ) * g_uiMaxCUWidth+ g_auiRasterToPelX[ g_auiZscanToRaster[uiInternalAddress] ]; UInt uiPosY = ( uiExternalAddress / rpcPic->getFrameWidthInCU() ) * g_uiMaxCUHeight+ g_auiRasterToPelY[ g_auiZscanToRaster[uiInternalAddress] ]; UInt uiWidth = pcSlice->getSPS()->getPicWidthInLumaSamples(); UInt uiHeight = pcSlice->getSPS()->getPicHeightInLumaSamples(); while((uiPosX>=uiWidth||uiPosY>=uiHeight)&&!(uiPosX>=uiWidth&&uiPosY>=uiHeight)) { uiInternalAddress++; if(uiInternalAddress>=rpcPic->getNumPartInCU()) { uiInternalAddress=0; uiExternalAddress = rpcPic->getPicSym()->getCUOrderMap(rpcPic->getPicSym()->getInverseCUOrderMap(uiExternalAddress)+1); } uiPosX = ( uiExternalAddress % rpcPic->getFrameWidthInCU() ) * g_uiMaxCUWidth+ g_auiRasterToPelX[ g_auiZscanToRaster[uiInternalAddress] ]; uiPosY = ( uiExternalAddress / rpcPic->getFrameWidthInCU() ) * g_uiMaxCUHeight+ g_auiRasterToPelY[ g_auiZscanToRaster[uiInternalAddress] ]; } UInt uiRealStartAddress = rpcPic->getPicSym()->getPicSCUEncOrder(uiExternalAddress*rpcPic->getNumPartInCU()+uiInternalAddress); pcSlice->setDependentSliceCurStartCUAddr(uiRealStartAddress); uiStartCUAddrDependentSlice=uiRealStartAddress; //calculate real slice start address uiInternalAddress = rpcPic->getPicSym()->getPicSCUAddr(pcSlice->getSliceCurStartCUAddr()) % rpcPic->getNumPartInCU(); uiExternalAddress = rpcPic->getPicSym()->getPicSCUAddr(pcSlice->getSliceCurStartCUAddr()) / rpcPic->getNumPartInCU(); uiPosX = ( uiExternalAddress % rpcPic->getFrameWidthInCU() ) * g_uiMaxCUWidth+ g_auiRasterToPelX[ g_auiZscanToRaster[uiInternalAddress] ]; uiPosY = ( uiExternalAddress / rpcPic->getFrameWidthInCU() ) * g_uiMaxCUHeight+ g_auiRasterToPelY[ g_auiZscanToRaster[uiInternalAddress] ]; uiWidth = pcSlice->getSPS()->getPicWidthInLumaSamples(); uiHeight = pcSlice->getSPS()->getPicHeightInLumaSamples(); while((uiPosX>=uiWidth||uiPosY>=uiHeight)&&!(uiPosX>=uiWidth&&uiPosY>=uiHeight)) { uiInternalAddress++; if(uiInternalAddress>=rpcPic->getNumPartInCU()) { uiInternalAddress=0; uiExternalAddress = rpcPic->getPicSym()->getCUOrderMap(rpcPic->getPicSym()->getInverseCUOrderMap(uiExternalAddress)+1); } uiPosX = ( uiExternalAddress % rpcPic->getFrameWidthInCU() ) * g_uiMaxCUWidth+ g_auiRasterToPelX[ g_auiZscanToRaster[uiInternalAddress] ]; uiPosY = ( uiExternalAddress / rpcPic->getFrameWidthInCU() ) * g_uiMaxCUHeight+ g_auiRasterToPelY[ g_auiZscanToRaster[uiInternalAddress] ]; } uiRealStartAddress = rpcPic->getPicSym()->getPicSCUEncOrder(uiExternalAddress*rpcPic->getNumPartInCU()+uiInternalAddress); pcSlice->setSliceCurStartCUAddr(uiRealStartAddress); uiStartCUAddrSlice=uiRealStartAddress; // Make a joint decision based on reconstruction and dependent slice bounds uiStartCUAddr = max(uiStartCUAddrSlice , uiStartCUAddrDependentSlice ); uiBoundingCUAddr = min(uiBoundingCUAddrSlice, uiBoundingCUAddrDependentSlice); if (!bEncodeSlice) { // For fixed number of LCU within an entropy and reconstruction slice we already know whether we will encounter end of entropy and/or reconstruction slice // first. Set the flags accordingly. if ( (m_pcCfg->getSliceMode()==AD_HOC_SLICES_FIXED_NUMBER_OF_LCU_IN_SLICE && m_pcCfg->getDependentSliceMode()==SHARP_FIXED_NUMBER_OF_LCU_IN_DEPENDENT_SLICE) || (m_pcCfg->getSliceMode()==0 && m_pcCfg->getDependentSliceMode()==SHARP_FIXED_NUMBER_OF_LCU_IN_DEPENDENT_SLICE) || (m_pcCfg->getSliceMode()==AD_HOC_SLICES_FIXED_NUMBER_OF_LCU_IN_SLICE && m_pcCfg->getDependentSliceMode()==0) || (m_pcCfg->getSliceMode()==AD_HOC_SLICES_FIXED_NUMBER_OF_TILES_IN_SLICE && m_pcCfg->getDependentSliceMode()==SHARP_FIXED_NUMBER_OF_LCU_IN_DEPENDENT_SLICE) || (m_pcCfg->getSliceMode()==AD_HOC_SLICES_FIXED_NUMBER_OF_TILES_IN_SLICE && m_pcCfg->getDependentSliceMode()==0) #if DEPENDENT_SLICES || (m_pcCfg->getDependentSliceMode()==FIXED_NUMBER_OF_TILES_IN_DEPENDENT_SLICE && m_pcCfg->getSliceMode()==0) #endif || tileBoundary ) { if (uiBoundingCUAddrSlice < uiBoundingCUAddrDependentSlice) { pcSlice->setNextSlice ( true ); pcSlice->setNextDependentSlice( false ); } else if (uiBoundingCUAddrSlice > uiBoundingCUAddrDependentSlice) { pcSlice->setNextSlice ( false ); pcSlice->setNextDependentSlice( true ); } else { pcSlice->setNextSlice ( true ); pcSlice->setNextDependentSlice( true ); } } else { pcSlice->setNextSlice ( false ); pcSlice->setNextDependentSlice( false ); } } } #if RECALCULATE_QP_ACCORDING_LAMBDA Double TEncSlice::xGetQPValueAccordingToLambda ( Double lambda ) { return 4.2005*log(lambda) + 13.7122; } #endif //! \}