/* 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) 2010-2013, 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() { for (std::vector::iterator i = CTXMem.begin(); i != CTXMem.end(); i++) { delete (*i); } } Void TEncSlice::initCtxMem( UInt i ) { for (std::vector::iterator j = CTXMem.begin(); j != CTXMem.end(); j++) { delete (*j); } CTXMem.clear(); CTXMem.resize(i); } 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(); 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 pocLast POC of last picture \param pocCurr 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 pocLast, Int pocCurr, 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( pocCurr ); // depth computation based on GOP size Int depth; { Int poc = rpcSlice->getPOC()%m_pcCfg->getGOPSize(); if ( poc == 0 ) { depth = 0; } else { Int step = m_pcCfg->getGOPSize(); depth = 0; for( Int i=step>>1; i>=1; i>>=1 ) { for ( Int j=i; jgetGOPSize(); j+=step ) { if ( j == poc ) { i=0; break; } } step >>= 1; depth++; } } } // slice type #if H_MV SliceType eSliceTypeBaseView; if( pocLast == 0 || pocCurr % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0 ) { eSliceTypeBaseView = I_SLICE; } else { eSliceTypeBaseView = B_SLICE; } SliceType eSliceType = eSliceTypeBaseView; if( eSliceTypeBaseView == I_SLICE && m_pcCfg->getGOPEntry(MAX_GOP).m_POC == 0 && m_pcCfg->getGOPEntry(MAX_GOP).m_sliceType != 'I' ) { eSliceType = B_SLICE; } #else SliceType eSliceType; eSliceType=B_SLICE; eSliceType = (pocLast == 0 || pocCurr % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0) ? I_SLICE : eSliceType; rpcSlice->setSliceType ( eSliceType ); #endif // ------------------------------------------------------------------------------------------------------------------ // Non-referenced frame marking // ------------------------------------------------------------------------------------------------------------------ if(pocLast == 0) { rpcSlice->setTemporalLayerNonReferenceFlag(false); } else { #if 0 // Check this! H_MV rpcSlice->setTemporalLayerNonReferenceFlag(!m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_refPic); #else rpcSlice->setTemporalLayerNonReferenceFlag(!m_pcCfg->getGOPEntry(iGOPid).m_refPic); #endif } rpcSlice->setReferenced(true); // ------------------------------------------------------------------------------------------------------------------ // QP setting // ------------------------------------------------------------------------------------------------------------------ dQP = m_pcCfg->getQP(); if(eSliceType!=I_SLICE) { if (!(( m_pcCfg->getMaxDeltaQP() == 0 ) && (dQP == -rpcSlice->getSPS()->getQpBDOffsetY() ) && (rpcSlice->getSPS()->getUseLossless()))) { #if H_MV dQP += m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_QPOffset; #else dQP += m_pcCfg->getGOPEntry(iGOPid).m_QPOffset; #endif } } // modify QP Int* pdQPs = m_pcCfg->getdQPs(); if ( pdQPs ) { dQP += pdQPs[ rpcSlice->getPOC() ]; } #if !RATE_CONTROL_LAMBDA_DOMAIN if ( m_pcCfg->getUseRateCtrl()) { dQP = m_pcRateCtrl->getFrameQP(rpcSlice->isReferenced(), rpcSlice->getPOC()); } #endif // ------------------------------------------------------------------------------------------------------------------ // 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_bitDepth - 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) #if H_MV Double dQPFactor; if( eSliceType != I_SLICE ) { dQPFactor = m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_QPFactor; } else #else Double dQPFactor = m_pcCfg->getGOPEntry(iGOPid).m_QPFactor; if ( eSliceType==I_SLICE ) #endif { dQPFactor=0.57*dLambda_scale; } dLambda = dQPFactor*pow( 2.0, qp_temp/3.0 ); if ( depth>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() && rpcSlice->getSliceType( ) != I_SLICE ) { 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 ) { #if H_MV dLambda *= m_pcCfg->getLambdaModifier( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_temporalId ); #else dLambda *= m_pcCfg->getLambdaModifier( m_pcCfg->getGOPEntry(iGOPid).m_temporalId ); #endif } // store lambda m_pcRdCost ->setLambda( dLambda ); #if H_3D_VSO m_pcRdCost->setUseLambdaScaleVSO ( (m_pcCfg->getUseVSO() || m_pcCfg->getForceLambdaScaleVSO()) && m_pcCfg->getIsDepth() ); m_pcRdCost->setLambdaVSO ( dLambda * m_pcCfg->getLambdaScaleVSO() ); // Should be moved to TEncTop // SAIT_VSO_EST_A0033 m_pcRdCost->setDisparityCoeff( m_pcCfg->getDispCoeff() ); // LGE_WVSO_A0119 if( m_pcCfg->getUseWVSO() && m_pcCfg->getIsDepth() ) { m_pcRdCost->setDWeight ( m_pcCfg->getDWeight() ); m_pcRdCost->setVSOWeight( m_pcCfg->getVSOWeight() ); m_pcRdCost->setVSDWeight( m_pcCfg->getVSDWeight() ); } #endif #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; Int qpc; Int chromaQPOffset; chromaQPOffset = rpcSlice->getPPS()->getChromaCbQpOffset() + rpcSlice->getSliceQpDeltaCb(); qpc = Clip3( 0, 57, iQP + chromaQPOffset); weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset m_pcRdCost->setCbDistortionWeight(weight); chromaQPOffset = rpcSlice->getPPS()->getChromaCrQpOffset() + rpcSlice->getSliceQpDeltaCr(); qpc = Clip3( 0, 57, iQP + chromaQPOffset); weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset m_pcRdCost->setCrDistortionWeight(weight); #endif #if RDOQ_CHROMA_LAMBDA // for RDOQ m_pcTrQuant->setLambda( dLambda, dLambda / weight ); #else m_pcTrQuant->setLambda( dLambda ); #endif #if SAO_CHROMA_LAMBDA // For SAO rpcSlice ->setLambda( dLambda, dLambda / weight ); #else rpcSlice ->setLambda( dLambda ); #endif #if HB_LAMBDA_FOR_LDC // restore original slice type #if H_MV eSliceType = eSliceTypeBaseView; if( eSliceTypeBaseView == I_SLICE && m_pcCfg->getGOPEntry(MAX_GOP).m_POC == 0 && m_pcCfg->getGOPEntry(MAX_GOP).m_sliceType != 'I' ) { eSliceType = B_SLICE; } #else eSliceType = (pocLast == 0 || pocCurr % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0) ? I_SLICE : eSliceType; #endif rpcSlice->setSliceType ( eSliceType ); #endif if (m_pcCfg->getUseRecalculateQPAccordingToLambda()) { dQP = xGetQPValueAccordingToLambda( dLambda ); iQP = max( -pSPS->getQpBDOffsetY(), min( MAX_QP, (Int) floor( dQP + 0.5 ) ) ); } rpcSlice->setSliceQp ( iQP ); #if ADAPTIVE_QP_SELECTION rpcSlice->setSliceQpBase ( iQP ); #endif rpcSlice->setSliceQpDelta ( 0 ); rpcSlice->setSliceQpDeltaCb ( 0 ); rpcSlice->setSliceQpDeltaCr ( 0 ); #if H_MV rpcSlice->setNumRefIdx(REF_PIC_LIST_0,m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_numRefPicsActive); rpcSlice->setNumRefIdx(REF_PIC_LIST_1,m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_numRefPicsActive); #else rpcSlice->setNumRefIdx(REF_PIC_LIST_0,m_pcCfg->getGOPEntry(iGOPid).m_numRefPicsActive); rpcSlice->setNumRefIdx(REF_PIC_LIST_1,m_pcCfg->getGOPEntry(iGOPid).m_numRefPicsActive); #endif #if L0386_DB_METRIC if ( m_pcCfg->getDeblockingFilterMetric() ) { rpcSlice->setDeblockingFilterOverrideFlag(true); rpcSlice->setDeblockingFilterDisable(false); rpcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); rpcSlice->setDeblockingFilterTcOffsetDiv2( 0 ); } else #endif 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()) { if ( !m_pcCfg->getLoopFilterOffsetInPPS() && eSliceType!=I_SLICE) { #if H_MV rpcSlice->getPPS()->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_betaOffsetDiv2 + m_pcCfg->getLoopFilterBetaOffset() ); rpcSlice->getPPS()->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_tcOffsetDiv2 + m_pcCfg->getLoopFilterTcOffset() ); rpcSlice->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_betaOffsetDiv2 + m_pcCfg->getLoopFilterBetaOffset() ); rpcSlice->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_tcOffsetDiv2 + m_pcCfg->getLoopFilterTcOffset() ); #else rpcSlice->getPPS()->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getGOPEntry(iGOPid).m_betaOffsetDiv2 + m_pcCfg->getLoopFilterBetaOffset() ); rpcSlice->getPPS()->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getGOPEntry(iGOPid).m_tcOffsetDiv2 + m_pcCfg->getLoopFilterTcOffset() ); rpcSlice->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getGOPEntry(iGOPid).m_betaOffsetDiv2 + m_pcCfg->getLoopFilterBetaOffset() ); rpcSlice->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getGOPEntry(iGOPid).m_tcOffsetDiv2 + m_pcCfg->getLoopFilterTcOffset() ); #endif } else { rpcSlice->getPPS()->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getLoopFilterBetaOffset() ); rpcSlice->getPPS()->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getLoopFilterTcOffset() ); rpcSlice->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getLoopFilterBetaOffset() ); rpcSlice->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getLoopFilterTcOffset() ); } } } else { rpcSlice->setDeblockingFilterOverrideFlag( false ); rpcSlice->setDeblockingFilterDisable( false ); rpcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); rpcSlice->setDeblockingFilterTcOffsetDiv2( 0 ); } rpcSlice->setDepth ( depth ); #if H_MV pcPic->setTLayer( m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_temporalId ); #else pcPic->setTLayer( m_pcCfg->getGOPEntry(iGOPid).m_temporalId ); #endif 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->setSliceSegmentMode ( m_pcCfg->getSliceSegmentMode() ); rpcSlice->setSliceSegmentArgument ( m_pcCfg->getSliceSegmentArgument() ); rpcSlice->setMaxNumMergeCand ( m_pcCfg->getMaxNumMergeCand() ); xStoreWPparam( pPPS->getUseWP(), pPPS->getWPBiPred() ); } #if RATE_CONTROL_LAMBDA_DOMAIN Void TEncSlice::resetQP( TComPic* pic, Int sliceQP, Double lambda ) { TComSlice* slice = pic->getSlice(0); // store lambda slice->setSliceQp( sliceQP ); #if L0033_RC_BUGFIX slice->setSliceQpBase ( sliceQP ); #endif 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; Int qpc; Int chromaQPOffset; chromaQPOffset = slice->getPPS()->getChromaCbQpOffset() + slice->getSliceQpDeltaCb(); qpc = Clip3( 0, 57, sliceQP + chromaQPOffset); weight = pow( 2.0, (sliceQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset m_pcRdCost->setCbDistortionWeight(weight); chromaQPOffset = slice->getPPS()->getChromaCrQpOffset() + slice->getSliceQpDeltaCr(); qpc = Clip3( 0, 57, sliceQP + chromaQPOffset); weight = pow( 2.0, (sliceQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset m_pcRdCost->setCrDistortionWeight(weight); #endif #if RDOQ_CHROMA_LAMBDA // for RDOQ m_pcTrQuant->setLambda( lambda, lambda / weight ); #else m_pcTrQuant->setLambda( lambda ); #endif #if SAO_CHROMA_LAMBDA // For SAO slice ->setLambda( lambda, lambda / weight ); #else slice ->setLambda( lambda ); #endif } #else /** - 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_bitDepth - 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; Int qpc; Int chromaQPOffset; chromaQPOffset = pcSlice->getPPS()->getChromaCbQpOffset() + pcSlice->getSliceQpDeltaCb(); qpc = Clip3( 0, 57, qp + chromaQPOffset); weight = pow( 2.0, (qp-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset m_pcRdCost->setCbDistortionWeight(weight); chromaQPOffset = pcSlice->getPPS()->getChromaCrQpOffset() + pcSlice->getSliceQpDeltaCr(); qpc = Clip3( 0, 57, qp + chromaQPOffset); weight = pow( 2.0, (qp-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset m_pcRdCost->setCrDistortionWeight(weight); #endif #if RDOQ_CHROMA_LAMBDA // for RDOQ m_pcTrQuant->setLambda( lambda, lambda / weight ); #else m_pcTrQuant->setLambda( lambda ); #endif #if SAO_CHROMA_LAMBDA // For SAO pcSlice ->setLambda( lambda, lambda / weight ); #else pcSlice ->setLambda( lambda ); #endif } #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; } #if RATE_CONTROL_LAMBDA_DOMAIN if ( m_pcCfg->getUseRateCtrl() ) { printf( "\nMultiple QP optimization is not allowed when rate control is enabled." ); assert(0); } #endif TComSlice* pcSlice = rpcPic->getSlice(getSliceIdx()); Double dPicRdCostBest = MAX_DOUBLE; UInt uiQpIdxBest = 0; Double dFrameLambda; #if FULL_NBIT Int SHIFT_QP = 12 + 6 * (g_bitDepth - 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; Int qpc; Int chromaQPOffset; chromaQPOffset = pcSlice->getPPS()->getChromaCbQpOffset() + pcSlice->getSliceQpDeltaCb(); qpc = Clip3( 0, 57, iQP + chromaQPOffset); weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset m_pcRdCost->setCbDistortionWeight(weight); chromaQPOffset = pcSlice->getPPS()->getChromaCrQpOffset() + pcSlice->getSliceQpDeltaCr(); qpc = Clip3( 0, 57, iQP + chromaQPOffset); weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset m_pcRdCost->setCrDistortionWeight(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 SAO_CHROMA_LAMBDA // For SAO pcSlice ->setLambda ( m_pdRdPicLambda[uiQpIdx], m_pdRdPicLambda[uiQpIdx] / weight ); #else pcSlice ->setLambda ( m_pdRdPicLambda[uiQpIdx] ); #endif // try compress compressSlice ( rpcPic ); Double dPicRdCost; #if H_3D_VSO Dist64 uiPicDist = m_uiPicDist; #else UInt64 uiPicDist = m_uiPicDist; #endif 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 H_3D // Above calculation need to be fixed for VSO, including frameLambda value. #endif 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; Int qpc; Int chromaQPOffset; chromaQPOffset = pcSlice->getPPS()->getChromaCbQpOffset() + pcSlice->getSliceQpDeltaCb(); qpc = Clip3( 0, 57, iQP + chromaQPOffset); weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset m_pcRdCost->setCbDistortionWeight(weight); chromaQPOffset = pcSlice->getPPS()->getChromaCrQpOffset() + pcSlice->getSliceQpDeltaCr(); qpc = Clip3( 0, 57, iQP + chromaQPOffset); weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset m_pcRdCost->setCrDistortionWeight(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 SAO_CHROMA_LAMBDA // For 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())->setSliceSegmentBits(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->getSliceSegmentMode()==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; Bool depSliceSegmentsEnabled = pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag(); uiCUAddr = rpcPic->getPicSym()->getCUOrderMap( uiStartCUAddr /rpcPic->getNumPartInCU()); uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr(); if( depSliceSegmentsEnabled ) { if((pcSlice->getSliceSegmentCurStartCUAddr()!= pcSlice->getSliceCurStartCUAddr())&&(uiCUAddr != uiTileStartLCU)) { if( m_pcCfg->getWaveFrontsynchro() ) { uiTileCol = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); m_pcBufferSbacCoders[uiTileCol].loadContexts( CTXMem[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; if ( (uiCUAddr%uiWidthInLCUs+1) >= uiWidthInLCUs ) { uiTileLCUX = uiTileStartLCU % uiWidthInLCUs; uiCol = uiCUAddr % uiWidthInLCUs; if(uiCol==uiTileStartLCU) { CTXMem[0]->loadContexts(m_pcSbacCoder); } } } m_pppcRDSbacCoder[0][CI_CURR_BEST]->loadContexts( CTXMem[0] ); ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST]->loadContexts( CTXMem[0] ); } else { if(m_pcCfg->getWaveFrontsynchro()) { CTXMem[1]->loadContexts(m_pcSbacCoder); } CTXMem[0]->loadContexts(m_pcSbacCoder); } } // for every CU in slice #if H_3D Int iLastPosY = -1; #endif UInt uiEncCUOrder; 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 H_3D_VSO if ( m_pcRdCost->getUseRenModel() ) { // updated renderer model if necessary Int iCurPosX; Int iCurPosY; pcCU->getPosInPic(0, iCurPosX, iCurPosY ); if ( iCurPosY != iLastPosY ) { iLastPosY = iCurPosY; pcEncTop->setupRenModel( pcSlice->getPOC() , pcSlice->getViewIndex(), pcSlice->getIsDepth() ? 1 : 0, iCurPosY ); } } #endif #if !RATE_CONTROL_LAMBDA_DOMAIN if(m_pcCfg->getUseRateCtrl()) { if(m_pcRateCtrl->calculateUnitQP()) { xLamdaRecalculation(m_pcRateCtrl->getUnitQP(), m_pcRateCtrl->getGOPId(), pcSlice->getDepth(), pcSlice->getSliceType(), pcSlice->getSPS(), pcSlice ); } } #endif // 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 ( ((pcSlice->getPPS()->getNumSubstreams() > 1) || depSliceSegmentsEnabled ) && (uiCol == uiTileLCUX) && m_pcCfg->getWaveFrontsynchro()) { // 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))) ) ) { // 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 uiCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceSegmentCurStartCUAddr())/rpcPic->getNumPartInCU() && 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); #if RATE_CONTROL_LAMBDA_DOMAIN Double oldLambda = m_pcRdCost->getLambda(); if ( m_pcCfg->getUseRateCtrl() ) { Int estQP = pcSlice->getSliceQp(); Double estLambda = -1.0; Double bpp = -1.0; if ( rpcPic->getSlice( 0 )->getSliceType() == I_SLICE || !m_pcCfg->getLCULevelRC() ) { estQP = pcSlice->getSliceQp(); } else { bpp = m_pcRateCtrl->getRCPic()->getLCUTargetBpp(); estLambda = m_pcRateCtrl->getRCPic()->getLCUEstLambda( bpp ); estQP = m_pcRateCtrl->getRCPic()->getLCUEstQP ( estLambda, pcSlice->getSliceQp() ); estQP = Clip3( -pcSlice->getSPS()->getQpBDOffsetY(), MAX_QP, estQP ); m_pcRdCost->setLambda(estLambda); } m_pcRateCtrl->setRCQP( estQP ); #if L0033_RC_BUGFIX pcCU->getSlice()->setSliceQpBase( estQP ); #endif } #endif // run CU encoder m_pcCuEncoder->compressCU( pcCU ); #if RATE_CONTROL_LAMBDA_DOMAIN if ( m_pcCfg->getUseRateCtrl() ) { UInt SAD = m_pcCuEncoder->getLCUPredictionSAD(); Int height = min( pcSlice->getSPS()->getMaxCUHeight(),pcSlice->getSPS()->getPicHeightInLumaSamples() - uiCUAddr / rpcPic->getFrameWidthInCU() * pcSlice->getSPS()->getMaxCUHeight() ); Int width = min( pcSlice->getSPS()->getMaxCUWidth(),pcSlice->getSPS()->getPicWidthInLumaSamples() - uiCUAddr % rpcPic->getFrameWidthInCU() * pcSlice->getSPS()->getMaxCUWidth() ); Double MAD = (Double)SAD / (Double)(height * width); MAD = MAD * MAD; ( m_pcRateCtrl->getRCPic()->getLCU(uiCUAddr) ).m_MAD = MAD; Int actualQP = g_RCInvalidQPValue; Double actualLambda = m_pcRdCost->getLambda(); Int actualBits = pcCU->getTotalBits(); Int numberOfEffectivePixels = 0; for ( Int idx = 0; idx < rpcPic->getNumPartInCU(); idx++ ) { if ( pcCU->getPredictionMode( idx ) != MODE_NONE && ( !pcCU->isSkipped( idx ) ) ) { numberOfEffectivePixels = numberOfEffectivePixels + 16; break; } } if ( numberOfEffectivePixels == 0 ) { actualQP = g_RCInvalidQPValue; } else { actualQP = pcCU->getQP( 0 ); } m_pcRdCost->setLambda(oldLambda); m_pcRateCtrl->getRCPic()->updateAfterLCU( m_pcRateCtrl->getRCPic()->getLCUCoded(), actualBits, actualQP, actualLambda, m_pcCfg->getLCULevelRC() ); } #endif // 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()==FIXED_NUMBER_OF_BYTES && ( ( pcSlice->getSliceBits() + m_pcEntropyCoder->getNumberOfWrittenBits() ) ) > m_pcCfg->getSliceArgument()<<3) { pcSlice->setNextSlice( true ); break; } if (m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_BYTES && pcSlice->getSliceSegmentBits()+m_pcEntropyCoder->getNumberOfWrittenBits() > (m_pcCfg->getSliceSegmentArgument() << 3) &&pcSlice->getSliceCurEndCUAddr()!=pcSlice->getSliceSegmentCurEndCUAddr()) { pcSlice->setNextSliceSegment( 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 ( ( uiCol == uiTileLCUX+1) && (depSliceSegmentsEnabled || (pcSlice->getPPS()->getNumSubstreams() > 1)) && m_pcCfg->getWaveFrontsynchro()) { 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()==FIXED_NUMBER_OF_BYTES && ( ( pcSlice->getSliceBits()+ m_pcEntropyCoder->getNumberOfWrittenBits() ) ) > m_pcCfg->getSliceArgument()<<3) { pcSlice->setNextSlice( true ); break; } if (m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_BYTES && pcSlice->getSliceSegmentBits()+ m_pcEntropyCoder->getNumberOfWrittenBits()> m_pcCfg->getSliceSegmentArgument()<<3 &&pcSlice->getSliceCurEndCUAddr()!=pcSlice->getSliceSegmentCurEndCUAddr()) { pcSlice->setNextSliceSegment( true ); break; } } m_uiPicTotalBits += pcCU->getTotalBits(); m_dPicRdCost += pcCU->getTotalCost(); m_uiPicDist += pcCU->getTotalDistortion(); #if !RATE_CONTROL_LAMBDA_DOMAIN if(m_pcCfg->getUseRateCtrl()) { m_pcRateCtrl->updateLCUData(pcCU, pcCU->getTotalBits(), pcCU->getQP(0)); m_pcRateCtrl->updataRCUnitStatus(); } #endif } if ((pcSlice->getPPS()->getNumSubstreams() > 1) && !depSliceSegmentsEnabled) { pcSlice->setNextSlice( true ); } if( depSliceSegmentsEnabled ) { 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 } xRestoreWPparam( pcSlice ); #if !RATE_CONTROL_LAMBDA_DOMAIN if(m_pcCfg->getUseRateCtrl()) { m_pcRateCtrl->updateFrameData(m_uiPicTotalBits); } #endif } /** \param rpcPic picture class \retval rpcBitstream bitstream class */ Void TEncSlice::encodeSlice ( TComPic*& rpcPic, TComOutputBitstream* pcSubstreams ) { UInt uiCUAddr; UInt uiStartCUAddr; UInt uiBoundingCUAddr; TComSlice* pcSlice = rpcPic->getSlice(getSliceIdx()); uiStartCUAddr=pcSlice->getSliceSegmentCurStartCUAddr(); uiBoundingCUAddr=pcSlice->getSliceSegmentCurEndCUAddr(); // 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; Bool depSliceSegmentsEnabled = pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag(); 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 */ uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr(); if( depSliceSegmentsEnabled ) { if( pcSlice->isNextSlice()|| uiCUAddr == rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr()) { if(m_pcCfg->getWaveFrontsynchro()) { CTXMem[1]->loadContexts(m_pcSbacCoder); } CTXMem[0]->loadContexts(m_pcSbacCoder); } else { if(m_pcCfg->getWaveFrontsynchro()) { uiTileCol = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); m_pcBufferSbacCoders[uiTileCol].loadContexts( CTXMem[1] ); Int iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles(); uiLin = uiCUAddr / uiWidthInLCUs; uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(rpcPic->getPicSym()->getCUOrderMap( uiCUAddr))*iNumSubstreamsPerTile + uiLin%iNumSubstreamsPerTile; if ( (uiCUAddr%uiWidthInLCUs+1) >= uiWidthInLCUs ) { uiCol = uiCUAddr % uiWidthInLCUs; uiTileLCUX = uiTileStartLCU % uiWidthInLCUs; if(uiCol==uiTileLCUX) { CTXMem[0]->loadContexts(m_pcSbacCoder); } } } pcSbacCoders[uiSubStrm].loadContexts( CTXMem[0] ); } } UInt uiEncCUOrder; 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 (((pcSlice->getPPS()->getNumSubstreams() > 1) || depSliceSegmentsEnabled) && (uiCol == uiTileLCUX) && m_pcCfg->getWaveFrontsynchro()) { // 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))) )) ) { // 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 uiCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceSegmentCurStartCUAddr())/rpcPic->getNumPartInCU() && 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() ); // Byte-alignment in slice_data() when new tile pcSubstreams[uiSubStrm].writeByteAlignment(); } } { UInt numStartCodeEmulations = pcSubstreams[uiSubStrm].countStartCodeEmulations(); 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) + numStartCodeEmulations ); } } TComDataCU*& pcCU = rpcPic->getCU( uiCUAddr ); if ( pcSlice->getSPS()->getUseSAO() && (pcSlice->getSaoEnabledFlag()||pcSlice->getSaoEnabledFlagChroma()) ) { SAOParam *saoParam = pcSlice->getPic()->getPicSym()->getSaoParam(); 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(); allowMergeLeft = allowMergeLeft && (rx>0) && (iCUAddrInSlice!=0); allowMergeUp = allowMergeUp && (ry>0) && (iCUAddrUpInSlice>=0); if( saoParam->bSaoFlag[0] || saoParam->bSaoFlag[1] ) { Int mergeLeft = saoParam->saoLcuParam[0][addr].mergeLeftFlag; Int mergeUp = saoParam->saoLcuParam[0][addr].mergeUpFlag; if (allowMergeLeft) { m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(mergeLeft); } else { mergeLeft = 0; } if(mergeLeft == 0) { if (allowMergeUp) { m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(mergeUp); } else { mergeUp = 0; } if(mergeUp == 0) { for (Int compIdx=0;compIdx<3;compIdx++) { if( (compIdx == 0 && saoParam->bSaoFlag[0]) || (compIdx > 0 && saoParam->bSaoFlag[1])) { m_pcEntropyCoder->encodeSaoOffset(&saoParam->saoLcuParam[compIdx][addr], compIdx); } } } } } } else if (pcSlice->getSPS()->getUseSAO()) { Int addr = pcCU->getAddr(); SAOParam *saoParam = pcSlice->getPic()->getPicSym()->getSaoParam(); for (Int cIdx=0; cIdx<3; cIdx++) { SaoLcuParam *saoLcuParam = &(saoParam->saoLcuParam[cIdx][addr]); if ( ((cIdx == 0) && !pcSlice->getSaoEnabledFlag()) || ((cIdx == 1 || cIdx == 2) && !pcSlice->getSaoEnabledFlagChroma())) { saoLcuParam->mergeUpFlag = 0; saoLcuParam->mergeLeftFlag = 0; saoLcuParam->subTypeIdx = 0; saoLcuParam->typeIdx = -1; saoLcuParam->offset[0] = 0; saoLcuParam->offset[1] = 0; saoLcuParam->offset[2] = 0; saoLcuParam->offset[3] = 0; } } } #if ENC_DEC_TRACE g_bJustDoIt = g_bEncDecTraceEnable; #endif if ( (m_pcCfg->getSliceMode()!=0 || m_pcCfg->getSliceSegmentMode()!=0) && uiCUAddr == rpcPic->getPicSym()->getCUOrderMap((uiBoundingCUAddr+rpcPic->getNumPartInCU()-1)/rpcPic->getNumPartInCU()-1) ) { m_pcCuEncoder->encodeCU( pcCU ); } 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 ( (depSliceSegmentsEnabled || (pcSlice->getPPS()->getNumSubstreams() > 1)) && (uiCol == uiTileLCUX+1) && m_pcCfg->getWaveFrontsynchro()) { m_pcBufferSbacCoders[uiTileCol].loadContexts( &pcSbacCoders[uiSubStrm] ); } } } if( depSliceSegmentsEnabled ) { if (m_pcCfg->getWaveFrontsynchro()) { CTXMem[1]->loadContexts( &m_pcBufferSbacCoders[uiTileCol] );//ctx 2.LCU } CTXMem[0]->loadContexts( m_pcSbacCoder );//ctx end of dep.slice } #if ADAPTIVE_QP_SELECTION if( m_pcCfg->getUseAdaptQpSelect() ) { m_pcTrQuant->storeSliceQpNext(pcSlice); } #endif if (pcSlice->getPPS()->getCabacInitPresentFlag()) { if (pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag()) { 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& startCUAddr, UInt& boundingCUAddr, 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 FIXED_NUMBER_OF_LCU: uiCUAddrIncrement = m_pcCfg->getSliceArgument(); uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; case FIXED_NUMBER_OF_BYTES: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); uiBoundingCUAddrSlice = pcSlice->getSliceCurEndCUAddr(); break; case FIXED_NUMBER_OF_TILES: 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(); uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); } } uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; default: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); uiBoundingCUAddrSlice = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; } // WPP: if a slice does not start at the beginning of a CTB row, it must end within the same CTB row if (pcSlice->getPPS()->getNumSubstreams() > 1 && (uiStartCUAddrSlice % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU()) != 0)) { uiBoundingCUAddrSlice = min(uiBoundingCUAddrSlice, uiStartCUAddrSlice - (uiStartCUAddrSlice % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())) + (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())); } pcSlice->setSliceCurEndCUAddr( uiBoundingCUAddrSlice ); } else { UInt uiCUAddrIncrement ; switch (m_pcCfg->getSliceMode()) { case FIXED_NUMBER_OF_LCU: uiCUAddrIncrement = m_pcCfg->getSliceArgument(); uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; case FIXED_NUMBER_OF_TILES: 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(); uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); } } uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; default: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); uiBoundingCUAddrSlice = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; } // WPP: if a slice does not start at the beginning of a CTB row, it must end within the same CTB row if (pcSlice->getPPS()->getNumSubstreams() > 1 && (uiStartCUAddrSlice % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU()) != 0)) { uiBoundingCUAddrSlice = min(uiBoundingCUAddrSlice, uiStartCUAddrSlice - (uiStartCUAddrSlice % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())) + (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())); } pcSlice->setSliceCurEndCUAddr( uiBoundingCUAddrSlice ); } Bool tileBoundary = false; if ((m_pcCfg->getSliceMode() == FIXED_NUMBER_OF_LCU || m_pcCfg->getSliceMode() == FIXED_NUMBER_OF_BYTES) && (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 startCUAddrSliceSegment, boundingCUAddrSliceSegment; startCUAddrSliceSegment = pcSlice->getSliceSegmentCurStartCUAddr(); boundingCUAddrSliceSegment = uiNumberOfCUsInFrame; if (bEncodeSlice) { UInt uiCUAddrIncrement; switch (m_pcCfg->getSliceSegmentMode()) { case FIXED_NUMBER_OF_LCU: uiCUAddrIncrement = m_pcCfg->getSliceSegmentArgument(); boundingCUAddrSliceSegment = ((startCUAddrSliceSegment + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (startCUAddrSliceSegment + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; case FIXED_NUMBER_OF_BYTES: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); boundingCUAddrSliceSegment = pcSlice->getSliceSegmentCurEndCUAddr(); break; case FIXED_NUMBER_OF_TILES: tileIdx = rpcPic->getPicSym()->getTileIdxMap( rpcPic->getPicSym()->getCUOrderMap(pcSlice->getSliceSegmentCurStartCUAddr()/rpcPic->getNumPartInCU()) ); uiCUAddrIncrement = 0; tileTotalCount = (rpcPic->getPicSym()->getNumColumnsMinus1()+1) * (rpcPic->getPicSym()->getNumRowsMinus1()+1); for(tileIdxIncrement = 0; tileIdxIncrement < m_pcCfg->getSliceSegmentArgument(); tileIdxIncrement++) { if((tileIdx + tileIdxIncrement) < tileTotalCount) { tileWidthInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidth(); tileHeightInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeight(); uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); } } boundingCUAddrSliceSegment = ((startCUAddrSliceSegment + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (startCUAddrSliceSegment + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; default: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); boundingCUAddrSliceSegment = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; } // WPP: if a slice segment does not start at the beginning of a CTB row, it must end within the same CTB row if (pcSlice->getPPS()->getNumSubstreams() > 1 && (startCUAddrSliceSegment % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU()) != 0)) { boundingCUAddrSliceSegment = min(boundingCUAddrSliceSegment, startCUAddrSliceSegment - (startCUAddrSliceSegment % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())) + (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())); } pcSlice->setSliceSegmentCurEndCUAddr( boundingCUAddrSliceSegment ); } else { UInt uiCUAddrIncrement; switch (m_pcCfg->getSliceSegmentMode()) { case FIXED_NUMBER_OF_LCU: uiCUAddrIncrement = m_pcCfg->getSliceSegmentArgument(); boundingCUAddrSliceSegment = ((startCUAddrSliceSegment + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (startCUAddrSliceSegment + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; case FIXED_NUMBER_OF_TILES: tileIdx = rpcPic->getPicSym()->getTileIdxMap( rpcPic->getPicSym()->getCUOrderMap(pcSlice->getSliceSegmentCurStartCUAddr()/rpcPic->getNumPartInCU()) ); uiCUAddrIncrement = 0; tileTotalCount = (rpcPic->getPicSym()->getNumColumnsMinus1()+1) * (rpcPic->getPicSym()->getNumRowsMinus1()+1); for(tileIdxIncrement = 0; tileIdxIncrement < m_pcCfg->getSliceSegmentArgument(); tileIdxIncrement++) { if((tileIdx + tileIdxIncrement) < tileTotalCount) { tileWidthInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidth(); tileHeightInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeight(); uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); } } boundingCUAddrSliceSegment = ((startCUAddrSliceSegment + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (startCUAddrSliceSegment + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; default: uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); boundingCUAddrSliceSegment = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); break; } // WPP: if a slice segment does not start at the beginning of a CTB row, it must end within the same CTB row if (pcSlice->getPPS()->getNumSubstreams() > 1 && (startCUAddrSliceSegment % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU()) != 0)) { boundingCUAddrSliceSegment = min(boundingCUAddrSliceSegment, startCUAddrSliceSegment - (startCUAddrSliceSegment % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())) + (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())); } pcSlice->setSliceSegmentCurEndCUAddr( boundingCUAddrSliceSegment ); } if ((m_pcCfg->getSliceSegmentMode() == FIXED_NUMBER_OF_LCU || m_pcCfg->getSliceSegmentMode() == FIXED_NUMBER_OF_BYTES) && (m_pcCfg->getNumRowsMinus1() > 0 || m_pcCfg->getNumColumnsMinus1() > 0)) { UInt lcuEncAddr = (startCUAddrSliceSegment+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 < boundingCUAddrSliceSegment) { boundingCUAddrSliceSegment = tileBoundingCUAddrSlice; pcSlice->setSliceSegmentCurEndCUAddr( boundingCUAddrSliceSegment ); tileBoundary = true; } } if(boundingCUAddrSliceSegment>uiBoundingCUAddrSlice) { boundingCUAddrSliceSegment = uiBoundingCUAddrSlice; pcSlice->setSliceSegmentCurEndCUAddr(uiBoundingCUAddrSlice); } //calculate real dependent slice start address UInt uiInternalAddress = rpcPic->getPicSym()->getPicSCUAddr(pcSlice->getSliceSegmentCurStartCUAddr()) % rpcPic->getNumPartInCU(); UInt uiExternalAddress = rpcPic->getPicSym()->getPicSCUAddr(pcSlice->getSliceSegmentCurStartCUAddr()) / 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->setSliceSegmentCurStartCUAddr(uiRealStartAddress); startCUAddrSliceSegment=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 startCUAddr = max(uiStartCUAddrSlice , startCUAddrSliceSegment ); boundingCUAddr = min(uiBoundingCUAddrSlice, boundingCUAddrSliceSegment); 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()==FIXED_NUMBER_OF_LCU && m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_LCU) || (m_pcCfg->getSliceMode()==0 && m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_LCU) || (m_pcCfg->getSliceMode()==FIXED_NUMBER_OF_LCU && m_pcCfg->getSliceSegmentMode()==0) || (m_pcCfg->getSliceMode()==FIXED_NUMBER_OF_TILES && m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_LCU) || (m_pcCfg->getSliceMode()==FIXED_NUMBER_OF_TILES && m_pcCfg->getSliceSegmentMode()==0) || (m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_TILES && m_pcCfg->getSliceMode()==0) || tileBoundary ) { if (uiBoundingCUAddrSlice < boundingCUAddrSliceSegment) { pcSlice->setNextSlice ( true ); pcSlice->setNextSliceSegment( false ); } else if (uiBoundingCUAddrSlice > boundingCUAddrSliceSegment) { pcSlice->setNextSlice ( false ); pcSlice->setNextSliceSegment( true ); } else { pcSlice->setNextSlice ( true ); pcSlice->setNextSliceSegment( true ); } } else { pcSlice->setNextSlice ( false ); pcSlice->setNextSliceSegment( false ); } } } Double TEncSlice::xGetQPValueAccordingToLambda ( Double lambda ) { return 4.2005*log(lambda) + 13.7122; } //! \}