EncLib.cpp

  if (sps.getVuiParametersPresentFlag())
  {
    VUI* pcVUI = sps.getVuiParameters();
    pcVUI->setAspectRatioInfoPresentFlag(getAspectRatioInfoPresentFlag());
    pcVUI->setAspectRatioConstantFlag(!getSampleAspectRatioInfoSEIEnabled());
    pcVUI->setAspectRatioIdc(getAspectRatioIdc());
    pcVUI->setSarWidth(getSarWidth());
    pcVUI->setSarHeight(getSarHeight());
    pcVUI->setColourDescriptionPresentFlag(getColourDescriptionPresentFlag());
    pcVUI->setColourPrimaries(getColourPrimaries());
    pcVUI->setTransferCharacteristics(getTransferCharacteristics());
    pcVUI->setMatrixCoefficients(getMatrixCoefficients());
    pcVUI->setProgressiveSourceFlag       (getProgressiveSourceFlag());
    pcVUI->setInterlacedSourceFlag        (getInterlacedSourceFlag());
#if JVET_S0266_VUI_length
    pcVUI->setNonPackedFlag               (getNonPackedConstraintFlag());
    pcVUI->setNonProjectedFlag            (getNonProjectedConstraintFlag());
#endif
    pcVUI->setChromaLocInfoPresentFlag(getChromaLocInfoPresentFlag());
    pcVUI->setChromaSampleLocTypeTopField(getChromaSampleLocTypeTopField());
    pcVUI->setChromaSampleLocTypeBottomField(getChromaSampleLocTypeBottomField());
    pcVUI->setChromaSampleLocType(getChromaSampleLocType());
    pcVUI->setOverscanInfoPresentFlag(getOverscanInfoPresentFlag());
    pcVUI->setOverscanAppropriateFlag(getOverscanAppropriateFlag());
    pcVUI->setVideoFullRangeFlag(getVideoFullRangeFlag());
  }

  sps.setNumLongTermRefPicSPS(NUM_LONG_TERM_REF_PIC_SPS);
  CHECK(!(NUM_LONG_TERM_REF_PIC_SPS <= MAX_NUM_LONG_TERM_REF_PICS), "Unspecified error");
  for (int k = 0; k < NUM_LONG_TERM_REF_PIC_SPS; k++)
  {
    sps.setLtRefPicPocLsbSps(k, 0);
    sps.setUsedByCurrPicLtSPSFlag(k, 0);
  }
  int numQpTables = m_chromaQpMappingTableParams.getSameCQPTableForAllChromaFlag() ? 1 : (sps.getJointCbCrEnabledFlag() ? 3 : 2);
  m_chromaQpMappingTableParams.setNumQpTables(numQpTables);
  sps.setChromaQpMappingTableFromParams(m_chromaQpMappingTableParams, sps.getQpBDOffset(CHANNEL_TYPE_CHROMA));
  sps.derivedChromaQPMappingTables();

#if U0132_TARGET_BITS_SATURATION
  if( getPictureTimingSEIEnabled() || getDecodingUnitInfoSEIEnabled() || getCpbSaturationEnabled() )
#else
  if( getPictureTimingSEIEnabled() || getDecodingUnitInfoSEIEnabled() )
#endif
  {
    xInitHrdParameters(sps);
  }
  if( getBufferingPeriodSEIEnabled() || getPictureTimingSEIEnabled() || getDecodingUnitInfoSEIEnabled() )
  {
    sps.setGeneralHrdParametersPresentFlag(true);
  }

  // Set up SPS range extension settings
  sps.getSpsRangeExtension().setTransformSkipRotationEnabledFlag(m_transformSkipRotationEnabledFlag);
  sps.getSpsRangeExtension().setTransformSkipContextEnabledFlag(m_transformSkipContextEnabledFlag);
  sps.getSpsRangeExtension().setExtendedPrecisionProcessingFlag(m_extendedPrecisionProcessingFlag);
  sps.getSpsRangeExtension().setIntraSmoothingDisabledFlag( m_intraSmoothingDisabledFlag );
  sps.getSpsRangeExtension().setHighPrecisionOffsetsEnabledFlag(m_highPrecisionOffsetsEnabledFlag);
  sps.getSpsRangeExtension().setPersistentRiceAdaptationEnabledFlag(m_persistentRiceAdaptationEnabledFlag);
  sps.getSpsRangeExtension().setCabacBypassAlignmentEnabledFlag(m_cabacBypassAlignmentEnabledFlag);

  sps.setSubPicInfoPresentFlag(m_subPicInfoPresentFlag);
  if (m_subPicInfoPresentFlag)
  {
    sps.setNumSubPics(m_numSubPics);
#if JVET_S0071_SAME_SIZE_SUBPIC_LAYOUT
    sps.setSubPicSameSizeFlag(m_subPicSameSizeFlag);
    if (m_subPicSameSizeFlag)
    {
#if JVET_AA0146_WRAP_AROUND_FIX
      uint32_t numSubpicCols = (m_sourceWidth + m_CTUSize - 1) / m_CTUSize / m_subPicWidth[0];
#else
      uint32_t numSubpicCols = (m_iSourceWidth + m_CTUSize - 1) / m_CTUSize / m_subPicWidth[0];
#endif
      for (unsigned int i = 0; i < m_numSubPics; i++)
      {
        sps.setSubPicCtuTopLeftX(i, (i % numSubpicCols) * m_subPicWidth[0]);
        sps.setSubPicCtuTopLeftY(i, (i / numSubpicCols) * m_subPicHeight[0]);
        sps.setSubPicWidth(i, m_subPicWidth[0]);
        sps.setSubPicHeight(i, m_subPicHeight[0]);
      }
    }
    else
    {
      sps.setSubPicCtuTopLeftX(m_subPicCtuTopLeftX);
      sps.setSubPicCtuTopLeftY(m_subPicCtuTopLeftY);
      sps.setSubPicWidth(m_subPicWidth);
      sps.setSubPicHeight(m_subPicHeight);
    }
#else
    sps.setSubPicCtuTopLeftX(m_subPicCtuTopLeftX);
    sps.setSubPicCtuTopLeftY(m_subPicCtuTopLeftY);
    sps.setSubPicWidth(m_subPicWidth);
    sps.setSubPicHeight(m_subPicHeight);
#endif
    sps.setSubPicTreatedAsPicFlag(m_subPicTreatedAsPicFlag);
    sps.setLoopFilterAcrossSubpicEnabledFlag(m_loopFilterAcrossSubpicEnabledFlag);
    sps.setSubPicIdLen(m_subPicIdLen);
    sps.setSubPicIdMappingExplicitlySignalledFlag(m_subPicIdMappingExplicitlySignalledFlag);
    if (m_subPicIdMappingExplicitlySignalledFlag)
    {
      sps.setSubPicIdMappingInSpsFlag(m_subPicIdMappingInSpsFlag);
      if (m_subPicIdMappingInSpsFlag)
      {
        sps.setSubPicId(m_subPicId);
      }
    }
  }
  else   //In that case, there is only one subpicture that contains the whole picture
  {
    sps.setNumSubPics(1);
    sps.setSubPicCtuTopLeftX(0, 0);
    sps.setSubPicCtuTopLeftY(0, 0);
#if JVET_AA0146_WRAP_AROUND_FIX
    sps.setSubPicWidth(0, m_sourceWidth);
    sps.setSubPicHeight(0, m_sourceHeight);
#else
    sps.setSubPicWidth(0, m_iSourceWidth);
    sps.setSubPicHeight(0, m_iSourceHeight);
#endif
    sps.setSubPicTreatedAsPicFlag(0, 1);
    sps.setLoopFilterAcrossSubpicEnabledFlag(0, 0);
    sps.setSubPicIdLen(0);
    sps.setSubPicIdMappingExplicitlySignalledFlag(false);
  }

#if TCQ_8STATES
  sps.setDepQuantEnabledFlag( m_DepQuantEnabledIdc ? true : false );
#else
  sps.setDepQuantEnabledFlag( m_DepQuantEnabledFlag );
#endif

  if (!sps.getDepQuantEnabledFlag())
  {
    sps.setSignDataHidingEnabledFlag( m_SignDataHidingEnabledFlag );
  }
  else
  {
    sps.setSignDataHidingEnabledFlag(false);
  }
  sps.setVirtualBoundariesEnabledFlag( m_virtualBoundariesEnabledFlag );
  if( sps.getVirtualBoundariesEnabledFlag() )
  {
    sps.setVirtualBoundariesPresentFlag( m_virtualBoundariesPresentFlag );
    CHECK( sps.getSubPicInfoPresentFlag() && sps.getVirtualBoundariesPresentFlag() != 1, "When subpicture signalling if present, the signalling of virtual boundaries, is present, shall be in the SPS" );
    sps.setNumVerVirtualBoundaries            ( m_numVerVirtualBoundaries );
    sps.setNumHorVirtualBoundaries            ( m_numHorVirtualBoundaries );
    for( unsigned int i = 0; i < m_numVerVirtualBoundaries; i++ )
    {
      sps.setVirtualBoundariesPosX            ( m_virtualBoundariesPosX[i], i );
    }
    for( unsigned int i = 0; i < m_numHorVirtualBoundaries; i++ )
    {
      sps.setVirtualBoundariesPosY            ( m_virtualBoundariesPosY[i], i );
    }
  }

  sps.setInterLayerPresentFlag( m_layerId > 0 && m_vps->getMaxLayers() > 1 && !m_vps->getAllIndependentLayersFlag() && !m_vps->getIndependentLayerFlag( m_vps->getGeneralLayerIdx( m_layerId ) ) );
  CHECK( m_vps->getIndependentLayerFlag( m_vps->getGeneralLayerIdx( m_layerId ) ) && sps.getInterLayerPresentFlag(), " When vps_independent_layer_flag[GeneralLayerIdx[nuh_layer_id ]]  is equal to 1, the value of inter_layer_ref_pics_present_flag shall be equal to 0." );

  sps.setResChangeInClvsEnabledFlag(m_resChangeInClvsEnabled);
#if JVET_Q0114_ASPECT5_GCI_FLAG
  sps.setRprEnabledFlag(m_rprEnabledFlag);
#else
  sps.setRprEnabledFlag((m_resChangeInClvsEnabled) || sps.getInterLayerPresentFlag());
#endif

  sps.setLog2ParallelMergeLevelMinus2( m_log2ParallelMergeLevelMinus2 );

  CHECK(sps.getResChangeInClvsEnabledFlag() && sps.getVirtualBoundariesEnabledFlag(), "when the value of res_change_in_clvs_allowed_flag is equal to 1, the value of sps_virtual_boundaries_present_flag shall be equal to 0");
}

void EncLib::xInitHrdParameters(SPS &sps)
{
  m_encHRD.initHRDParameters((EncCfg*) this);

  GeneralHrdParams *generalHrdParams = sps.getGeneralHrdParameters();
  *generalHrdParams = m_encHRD.getGeneralHrdParameters();

  OlsHrdParams *spsOlsHrdParams = sps.getOlsHrdParameters();
  for(int i = 0; i < MAX_TLAYER; i++)
  {
    *spsOlsHrdParams = m_encHRD.getOlsHrdParameters(i);
    spsOlsHrdParams++;
  }
}

void EncLib::xInitPPS(PPS &pps, const SPS &sps)
{
  // pps ID already initialised.
  pps.setSPSId(sps.getSPSId());

  pps.setNumSubPics(sps.getNumSubPics());
  pps.setSubPicIdMappingInPpsFlag(false);
  pps.setSubPicIdLen(sps.getSubPicIdLen());
  for(int picIdx=0; picIdx<pps.getNumSubPics(); picIdx++)
  {
    pps.setSubPicId(picIdx, sps.getSubPicId(picIdx));
  }
  bool bUseDQP = (getCuQpDeltaSubdiv() > 0)? true : false;

  if((getMaxDeltaQP() != 0 )|| getUseAdaptiveQP())
  {
    bUseDQP = true;
  }

#if JVET_AB0171_ASYMMETRIC_DB_FOR_GDR
  pps.setAsymmetricILF(getAsymmetricILF());
#endif

#if SHARP_LUMA_DELTA_QP
  if ( getLumaLevelToDeltaQPMapping().isEnabled() )
  {
    bUseDQP = true;
  }
#endif
#if ENABLE_QPA
  if (getUsePerceptQPA() && !bUseDQP)
  {
    CHECK( m_cuQpDeltaSubdiv != 0, "max. delta-QP subdiv must be zero!" );
    bUseDQP = (getBaseQP() < 38) && (getSourceWidth() > 512 || getSourceHeight() > 320);
  }
#endif
#if JVET_Y0240_BIM
  if (m_bimEnabled)
  {
    bUseDQP = true;
  }
#endif

  if (m_costMode==COST_SEQUENCE_LEVEL_LOSSLESS || m_costMode==COST_LOSSLESS_CODING)
  {
    bUseDQP=false;
  }


  if ( m_RCEnableRateControl )
  {
    pps.setUseDQP(true);
  }
  else if(bUseDQP)
  {
    pps.setUseDQP(true);
  }
  else
  {
    pps.setUseDQP(false);
  }

  if ( m_cuChromaQpOffsetSubdiv >= 0 )
  {
    pps.clearChromaQpOffsetList();
    pps.setChromaQpOffsetListEntry(1, 6, 6, 6);
    /* todo, insert table entries from command line (NB, 0 should not be touched) */
  }
  else
  {
    pps.clearChromaQpOffsetList();
  }
  {
    int baseQp = 26;
    if( 16 == getGOPSize() )
    {
      baseQp = getBaseQP()-24;
    }
    else
    {
      baseQp = getBaseQP()-26;
    }
    const int maxDQP = 37;
    const int minDQP = -26 + sps.getQpBDOffset(CHANNEL_TYPE_LUMA);

    pps.setPicInitQPMinus26( std::min( maxDQP, std::max( minDQP, baseQp ) ));
  }

  if( sps.getJointCbCrEnabledFlag() == false || getChromaFormatIdc() == CHROMA_400 || m_chromaCbCrQpOffset == 0 )
  {
    pps.setJointCbCrQpOffsetPresentFlag(false);
  }
  else
  {
    pps.setJointCbCrQpOffsetPresentFlag(true);
  }

#if ER_CHROMA_QP_WCG_PPS
  if (getWCGChromaQPControl().isEnabled())
  {
    const int baseQp=m_iQP+pps.getPPSId();
    const double chromaQp = m_wcgChromaQpControl.chromaQpScale * baseQp + m_wcgChromaQpControl.chromaQpOffset;
    const double dcbQP = m_wcgChromaQpControl.chromaCbQpScale * chromaQp;
    const double dcrQP = m_wcgChromaQpControl.chromaCrQpScale * chromaQp;
    const int cbQP =(int)(dcbQP + ( dcbQP < 0 ? -0.5 : 0.5) );
    const int crQP =(int)(dcrQP + ( dcrQP < 0 ? -0.5 : 0.5) );
    pps.setQpOffset(COMPONENT_Cb, Clip3( -12, 12, min(0, cbQP) + m_chromaCbQpOffset ));
    pps.setQpOffset(COMPONENT_Cr, Clip3( -12, 12, min(0, crQP) + m_chromaCrQpOffset));
    if(pps.getJointCbCrQpOffsetPresentFlag())
      pps.setQpOffset(JOINT_CbCr, Clip3(-12, 12, (min(0, cbQP) + min(0, crQP)) / 2 + m_chromaCbCrQpOffset));
    else
      pps.setQpOffset(JOINT_CbCr, 0);
  }
  else
  {
#endif
  pps.setQpOffset(COMPONENT_Cb, m_chromaCbQpOffset );
  pps.setQpOffset(COMPONENT_Cr, m_chromaCrQpOffset );
  if (pps.getJointCbCrQpOffsetPresentFlag())
    pps.setQpOffset(JOINT_CbCr, m_chromaCbCrQpOffset);
  else
    pps.setQpOffset(JOINT_CbCr, 0);
#if ER_CHROMA_QP_WCG_PPS
  }
#endif
#if W0038_CQP_ADJ
  bool bChromaDeltaQPEnabled = false;
  {
    bChromaDeltaQPEnabled = ( m_sliceChromaQpOffsetIntraOrPeriodic[0] || m_sliceChromaQpOffsetIntraOrPeriodic[1] );
    if( !bChromaDeltaQPEnabled )
    {
      for( int i=0; i<m_iGOPSize; i++ )
      {
        if( m_GOPList[i].m_CbQPoffset || m_GOPList[i].m_CrQPoffset )
        {
          bChromaDeltaQPEnabled = true;
          break;
        }
      }
    }
  }
 #if ENABLE_QPA
  if ((getUsePerceptQPA() || getSliceChromaOffsetQpPeriodicity() > 0) && (getChromaFormatIdc() != CHROMA_400))
  {
    bChromaDeltaQPEnabled = true;
  }
 #endif
  pps.setSliceChromaQpFlag(bChromaDeltaQPEnabled);
#endif
  if (
    !pps.getSliceChromaQpFlag() && sps.getUseDualITree()
    && (getChromaFormatIdc() != CHROMA_400))
  {
    pps.setSliceChromaQpFlag(m_chromaCbQpOffsetDualTree != 0 || m_chromaCrQpOffsetDualTree != 0 || m_chromaCbCrQpOffsetDualTree != 0);
  }
#if JVET_AC0096
  if (m_rprFunctionalityTestingEnabledFlag)
  {
    if (pps.getPPSId() == ENC_PPS_ID_RPR || pps.getPPSId() == ENC_PPS_ID_RPR2 || pps.getPPSId() == ENC_PPS_ID_RPR3)
    {
      pps.setSliceChromaQpFlag(true);
    }
  }
#endif

  int minCbSizeY = (1 << sps.getLog2MinCodingBlockSize());
  pps.setWrapAroundEnabledFlag                ( m_wrapAround );
  if( m_wrapAround )
  {
    pps.setPicWidthMinusWrapAroundOffset      ((pps.getPicWidthInLumaSamples()/minCbSizeY) - (m_wrapAroundOffset / minCbSizeY));
    pps.setWrapAroundOffset                   (minCbSizeY *(pps.getPicWidthInLumaSamples() / minCbSizeY- pps.getPicWidthMinusWrapAroundOffset()));
  }
  else 
  {
    pps.setPicWidthMinusWrapAroundOffset      ( 0 );
    pps.setWrapAroundOffset                   ( 0 );       
  }
  CHECK( !sps.getWrapAroundEnabledFlag() && pps.getWrapAroundEnabledFlag(), "When sps_ref_wraparound_enabled_flag is equal to 0, the value of pps_ref_wraparound_enabled_flag shall be equal to 0.");
  CHECK( (((sps.getCTUSize() / minCbSizeY) + 1) > ((pps.getPicWidthInLumaSamples() / minCbSizeY) - 1)) && pps.getWrapAroundEnabledFlag(), "When the value of CtbSizeY / MinCbSizeY + 1 is greater than pic_width_in_luma_samples / MinCbSizeY - 1, the value of pps_ref_wraparound_enabled_flag shall be equal to 0.");

  pps.setNoPicPartitionFlag( m_noPicPartitionFlag );
  if( m_noPicPartitionFlag == false )
  {
    pps.setLog2CtuSize( ceilLog2( sps.getCTUSize()) );
    pps.setNumExpTileColumns( (uint32_t) m_tileColumnWidth.size() );
    pps.setNumExpTileRows( (uint32_t) m_tileRowHeight.size() );
    pps.setTileColumnWidths( m_tileColumnWidth );
    pps.setTileRowHeights( m_tileRowHeight );
    pps.initTiles();
    pps.setRectSliceFlag( m_rectSliceFlag );
    if( m_rectSliceFlag )
    {
      pps.setSingleSlicePerSubPicFlag(m_singleSlicePerSubPicFlag);
      pps.setNumSlicesInPic( m_numSlicesInPic );
      pps.setTileIdxDeltaPresentFlag( m_tileIdxDeltaPresentFlag );
      pps.setRectSlices( m_rectSlices );
      pps.initRectSliceMap(&sps);
    }
    else
    {
      pps.initRasterSliceMap( m_rasterSliceSize );
    }
    pps.initSubPic(sps);
    pps.setLoopFilterAcrossTilesEnabledFlag( m_bLFCrossTileBoundaryFlag );
    pps.setLoopFilterAcrossSlicesEnabledFlag( m_bLFCrossSliceBoundaryFlag );
  }
  else
  {
    pps.setLog2CtuSize( ceilLog2( sps.getCTUSize()) );
    pps.setNumExpTileColumns(1);
    pps.setNumExpTileRows(1);
    pps.addTileColumnWidth( pps.getPicWidthInCtu( ) );
    pps.addTileRowHeight( pps.getPicHeightInCtu( ) );
    pps.initTiles();
    pps.setRectSliceFlag( 1 );
    pps.setNumSlicesInPic( 1 );
    pps.initRectSlices( );
    pps.setTileIdxDeltaPresentFlag( 0 );
    pps.setSliceTileIdx( 0, 0 );
    pps.initRectSliceMap( &sps );
    pps.initSubPic(sps);
    pps.setLoopFilterAcrossTilesEnabledFlag( true );
    pps.setLoopFilterAcrossSlicesEnabledFlag( true );
  }

  pps.setUseWP( m_useWeightedPred );
  pps.setWPBiPred( m_useWeightedBiPred );
  pps.setOutputFlagPresentFlag( false );

#if JVET_AC0189_SGPM_NO_BLENDING
  pps.setUseSgpmNoBlend                ( m_sgpmNoBlend );
#endif
#if JVET_V0094_BILATERAL_FILTER
  pps.setUseBIF                ( m_BIF );
  pps.setBIFStrength           ( m_BIFStrength );
  pps.setBIFQPOffset           ( m_BIFQPOffset );
#endif
#if JVET_X0071_CHROMA_BILATERAL_FILTER
  pps.setUseChromaBIF          ( m_chromaBIF );
  pps.setChromaBIFStrength     ( m_chromaBIFStrength );
  pps.setChromaBIFQPOffset     ( m_chromaBIFQPOffset );
#endif

  if ( getDeblockingFilterMetric() )
  {
    pps.setDeblockingFilterOverrideEnabledFlag(true);
    pps.setPPSDeblockingFilterDisabledFlag(false);
  }
  else
  {
    pps.setDeblockingFilterOverrideEnabledFlag( !getLoopFilterOffsetInPPS() );
    pps.setPPSDeblockingFilterDisabledFlag( getLoopFilterDisable() );
  }

  if (! pps.getPPSDeblockingFilterDisabledFlag())
  {
    pps.setDeblockingFilterBetaOffsetDiv2( getLoopFilterBetaOffset() );
    pps.setDeblockingFilterTcOffsetDiv2( getLoopFilterTcOffset() );
    pps.setDeblockingFilterCbBetaOffsetDiv2( getLoopFilterCbBetaOffset() );
    pps.setDeblockingFilterCbTcOffsetDiv2( getLoopFilterCbTcOffset() );
    pps.setDeblockingFilterCrBetaOffsetDiv2( getLoopFilterCrBetaOffset() );
    pps.setDeblockingFilterCrTcOffsetDiv2( getLoopFilterCrTcOffset() );
  }
  else
  {
#if DB_PARAM_TID
    pps.setDeblockingFilterBetaOffsetDiv2(std::vector<int>(5,0));
    pps.setDeblockingFilterTcOffsetDiv2(std::vector<int>(5, 0));
#else
    pps.setDeblockingFilterBetaOffsetDiv2(0);
    pps.setDeblockingFilterTcOffsetDiv2(0);
#endif

    pps.setDeblockingFilterCbBetaOffsetDiv2(0);
    pps.setDeblockingFilterCbTcOffsetDiv2(0);
    pps.setDeblockingFilterCrBetaOffsetDiv2(0);
    pps.setDeblockingFilterCrTcOffsetDiv2(0);
  }

  // deblockingFilterControlPresentFlag is true if any of the settings differ from the inferred values:
#if DB_PARAM_TID
  bool TcAllZero = true, BetaAllZero = true;
  for (int i = 0; i < pps.getDeblockingFilterBetaOffsetDiv2().size(); i++)
  {
    if (pps.getDeblockingFilterBetaOffsetDiv2()[i] != 0)
    {
      BetaAllZero = false;
      break;
    }
  }
  for (int i = 0; i < pps.getDeblockingFilterTcOffsetDiv2().size(); i++)
  {
    if (pps.getDeblockingFilterTcOffsetDiv2()[i] != 0)
    {
      TcAllZero = false;
      break;
    }
  }
  const bool deblockingFilterControlPresentFlag = pps.getDeblockingFilterOverrideEnabledFlag()   ||
                                                  pps.getPPSDeblockingFilterDisabledFlag()       ||
                                                  BetaAllZero == false                           ||
                                                  TcAllZero   == false                           ||
                                                  pps.getDeblockingFilterCbBetaOffsetDiv2() != 0 ||
                                                  pps.getDeblockingFilterCbTcOffsetDiv2() != 0   ||
                                                  pps.getDeblockingFilterCrBetaOffsetDiv2() != 0 ||
                                                  pps.getDeblockingFilterCrTcOffsetDiv2() != 0;
#else
  const bool deblockingFilterControlPresentFlag = pps.getDeblockingFilterOverrideEnabledFlag()   ||
                                                  pps.getPPSDeblockingFilterDisabledFlag()       ||
                                                  pps.getDeblockingFilterBetaOffsetDiv2() != 0   ||
                                                  pps.getDeblockingFilterTcOffsetDiv2() != 0     ||
                                                  pps.getDeblockingFilterCbBetaOffsetDiv2() != 0 ||
                                                  pps.getDeblockingFilterCbTcOffsetDiv2() != 0   ||
                                                  pps.getDeblockingFilterCrBetaOffsetDiv2() != 0 ||
                                                  pps.getDeblockingFilterCrTcOffsetDiv2() != 0;
#endif

  pps.setDeblockingFilterControlPresentFlag(deblockingFilterControlPresentFlag);

  pps.setCabacInitPresentFlag(CABAC_INIT_PRESENT_FLAG);
  pps.setLoopFilterAcrossSlicesEnabledFlag( m_bLFCrossSliceBoundaryFlag );

  bool chromaQPOffsetNotZero = false;
  if( pps.getQpOffset(COMPONENT_Cb) != 0 || pps.getQpOffset(COMPONENT_Cr) != 0 || pps.getJointCbCrQpOffsetPresentFlag() || pps.getSliceChromaQpFlag() || pps.getCuChromaQpOffsetListEnabledFlag() )
  {
    chromaQPOffsetNotZero = true;
  }

  bool chromaDbfOffsetNotSameAsLuma = true;
#if !DB_PARAM_TID 
  if( pps.getDeblockingFilterCbBetaOffsetDiv2() == pps.getDeblockingFilterBetaOffsetDiv2() && pps.getDeblockingFilterCrBetaOffsetDiv2() == pps.getDeblockingFilterBetaOffsetDiv2()
     && pps.getDeblockingFilterCbTcOffsetDiv2() == pps.getDeblockingFilterTcOffsetDiv2() && pps.getDeblockingFilterCrTcOffsetDiv2() == pps.getDeblockingFilterTcOffsetDiv2() )
  {
    chromaDbfOffsetNotSameAsLuma = false;
  }
#endif

#if !JVET_S0052_RM_SEPARATE_COLOUR_PLANE
  const uint32_t chromaArrayType = (int)sps.getSeparateColourPlaneFlag() ? 0 : sps.getChromaFormatIdc();
  if( ( chromaArrayType != CHROMA_400 ) && ( chromaQPOffsetNotZero || chromaDbfOffsetNotSameAsLuma ) )
#else
  if ((sps.getChromaFormatIdc() != CHROMA_400) && (chromaQPOffsetNotZero || chromaDbfOffsetNotSameAsLuma))
#endif
  {
    pps.setPPSChromaToolFlag(true);
  }
  else
  {
    pps.setPPSChromaToolFlag(false);
  }

  int histogram[MAX_NUM_REF + 1];
  for( int i = 0; i <= MAX_NUM_REF; i++ )
  {
    histogram[i]=0;
  }
  for( int i = 0; i < getGOPSize(); i++)
  {
    CHECK(!(getRPLEntry(0, i).m_numRefPicsActive >= 0 && getRPLEntry(0, i).m_numRefPicsActive <= MAX_NUM_REF), "Unspecified error");
    histogram[getRPLEntry(0, i).m_numRefPicsActive]++;
  }

  int maxHist=-1;
  int bestPos=0;
  for( int i = 0; i <= MAX_NUM_REF; i++ )
  {
    if(histogram[i]>maxHist)
    {
      maxHist=histogram[i];
      bestPos=i;
    }
  }
  CHECK(!(bestPos <= 15), "Unspecified error");
    pps.setNumRefIdxL0DefaultActive(bestPos);
  pps.setNumRefIdxL1DefaultActive(bestPos);
  pps.setPictureHeaderExtensionPresentFlag(false);

  pps.setRplInfoInPhFlag(getSliceLevelRpl() ? false : true);
  pps.setDbfInfoInPhFlag(getSliceLevelDblk() ? false : true);
  pps.setSaoInfoInPhFlag(getSliceLevelSao() ? false : true);
  pps.setAlfInfoInPhFlag(getSliceLevelAlf() ? false : true);
  pps.setWpInfoInPhFlag(getSliceLevelWp() ? false : true);
  pps.setQpDeltaInfoInPhFlag(getSliceLevelDeltaQp() ? false : true);

  pps.pcv = new PreCalcValues( sps, pps, true );
  pps.setRpl1IdxPresentFlag(sps.getRPL1IdxPresentFlag());
}

void EncLib::xInitPicHeader(PicHeader &picHeader, const SPS &sps, const PPS &pps)
{
  int i;
  picHeader.initPicHeader();

  // parameter sets
  picHeader.setSPSId( sps.getSPSId() );
  picHeader.setPPSId( pps.getPPSId() );

  // merge list sizes
  picHeader.setMaxNumAffineMergeCand(getMaxNumAffineMergeCand());
  // copy partitioning constraints from SPS
  picHeader.setSplitConsOverrideFlag(false);
  picHeader.setMinQTSizes( sps.getMinQTSizes() );
  picHeader.setMaxMTTHierarchyDepths( sps.getMaxMTTHierarchyDepths() );
  picHeader.setMaxBTSizes( sps.getMaxBTSizes() );
  picHeader.setMaxTTSizes( sps.getMaxTTSizes() );

  bool bUseDQP = (getCuQpDeltaSubdiv() > 0)? true : false;

  if( (getMaxDeltaQP() != 0 )|| getUseAdaptiveQP() )
  {
    bUseDQP = true;
  }

#if SHARP_LUMA_DELTA_QP
  if( getLumaLevelToDeltaQPMapping().isEnabled() )
  {
    bUseDQP = true;
  }
#endif
#if ENABLE_QPA
  if( getUsePerceptQPA() && !bUseDQP )
  {
    CHECK( m_cuQpDeltaSubdiv != 0, "max. delta-QP subdiv must be zero!" );
    bUseDQP = (getBaseQP() < 38) && (getSourceWidth() > 512 || getSourceHeight() > 320);
  }
#endif

  if( m_costMode==COST_SEQUENCE_LEVEL_LOSSLESS || m_costMode==COST_LOSSLESS_CODING )
  {
    bUseDQP=false;
  }

  if( m_RCEnableRateControl )
  {
    picHeader.setCuQpDeltaSubdivIntra( 0 );
    picHeader.setCuQpDeltaSubdivInter( 0 );
  }
  else if( bUseDQP )
  {
    picHeader.setCuQpDeltaSubdivIntra( m_cuQpDeltaSubdiv );
    picHeader.setCuQpDeltaSubdivInter( m_cuQpDeltaSubdiv );
  }
  else
  {
    picHeader.setCuQpDeltaSubdivIntra( 0 );
    picHeader.setCuQpDeltaSubdivInter( 0 );
  }

  if( m_cuChromaQpOffsetSubdiv >= 0 )
  {
    picHeader.setCuChromaQpOffsetSubdivIntra(m_cuChromaQpOffsetSubdiv);
    picHeader.setCuChromaQpOffsetSubdivInter(m_cuChromaQpOffsetSubdiv);
  }
  else
  {
    picHeader.setCuChromaQpOffsetSubdivIntra(0);
    picHeader.setCuChromaQpOffsetSubdivInter(0);
  }


  // virtual boundaries
  if( sps.getVirtualBoundariesEnabledFlag() )
  {
    picHeader.setVirtualBoundariesPresentFlag( sps.getVirtualBoundariesPresentFlag() );
    picHeader.setNumVerVirtualBoundaries(sps.getNumVerVirtualBoundaries());
    picHeader.setNumHorVirtualBoundaries(sps.getNumHorVirtualBoundaries());
    for(i=0; i<3; i++) {
      picHeader.setVirtualBoundariesPosX(sps.getVirtualBoundariesPosX(i), i);
      picHeader.setVirtualBoundariesPosY(sps.getVirtualBoundariesPosY(i), i);
    }
  }

#if JVET_Z0118_GDR
    picHeader.setGdrOrIrapPicFlag(false);    
#endif

  // gradual decoder refresh flag
  picHeader.setGdrPicFlag(false);

  // BDOF / DMVR / PROF
  picHeader.setDisBdofFlag(false);
  picHeader.setDisDmvrFlag(false);
  picHeader.setDisProfFlag(false);
#if JVET_W0097_GPM_MMVD_TM
  if (sps.getUseGeo())
  {
#if TOOLS
    if (getIntraPeriod() > 0)
    {
      if ((getSourceWidth() * getSourceHeight()) > (1920 * 1080))
      {
        picHeader.setGPMMMVDTableFlag(false);
      }
      else
      {
        picHeader.setGPMMMVDTableFlag(true);
      }
    }
    else
    {
      picHeader.setGPMMMVDTableFlag(true);
    }
#else
  picHeader.setGPMMMVDTableFlag(false);
#endif
  }
#endif

#if JVET_AD0208_IBC_ADAPT_FOR_CAM_CAPTURED_CONTENTS
  picHeader.setDisFracMBVD(true);
  if (sps.getIBCFracFlag())
  {
    if ((getSourceWidth() * getSourceHeight()) <= (1920 * 1080))
    {
      picHeader.setDisFracMBVD(false);
    }
  }
#endif
}

void EncLib::xInitAPS(APS &aps)
{
  //Do nothing now
}

void EncLib::xInitRPL(SPS &sps, bool isFieldCoding)
{
  ReferencePictureList*      rpl;

  int numRPLCandidates = getRPLCandidateSize(0);
  // To allocate one additional memory for RPL of POC1 (first bottom field) which is not specified in cfg file
  sps.createRPLList0(numRPLCandidates + (isFieldCoding ? 1 : 0));
  sps.createRPLList1(numRPLCandidates + (isFieldCoding ? 1 : 0));
  RPLList* rplList = 0;

  for (int i = 0; i < 2; i++)
  {
    rplList = (i == 0) ? sps.getRPLList0() : sps.getRPLList1();
    for (int j = 0; j < numRPLCandidates; j++)
    {
      const RPLEntry &ge = getRPLEntry(i, j);
      rpl = rplList->getReferencePictureList(j);
      rpl->setNumberOfShorttermPictures(ge.m_numRefPics);
      rpl->setNumberOfLongtermPictures(0);   //Hardcoded as 0 for now. need to update this when implementing LTRP
      rpl->setNumberOfActivePictures(ge.m_numRefPicsActive);
      rpl->setLtrpInSliceHeaderFlag(ge.m_ltrp_in_slice_header_flag);
      rpl->setInterLayerPresentFlag( sps.getInterLayerPresentFlag() );
      // inter-layer reference picture is not signaled in SPS RPL, SPS is shared currently
      rpl->setNumberOfInterLayerPictures( 0 );

      for (int k = 0; k < ge.m_numRefPics; k++)
      {
#if JVET_S0045_SIGN
        rpl->setRefPicIdentifier(k, -ge.m_deltaRefPics[k], 0, false, 0);
#else
        rpl->setRefPicIdentifier( k, ge.m_deltaRefPics[k], 0, false, 0 );
#endif
      }
    }
  }

  if (isFieldCoding)
  {
    // To set RPL of POC1 (first bottom field) which is not specified in cfg file
    for (int i = 0; i < 2; i++)
    {
      rplList = (i == 0) ? sps.getRPLList0() : sps.getRPLList1();
      rpl = rplList->getReferencePictureList(numRPLCandidates);
      rpl->setNumberOfShorttermPictures(1);
      rpl->setNumberOfLongtermPictures(0);
      rpl->setNumberOfActivePictures(1);
      rpl->setLtrpInSliceHeaderFlag(0);
#if JVET_S0045_SIGN
      rpl->setRefPicIdentifier(0, -1, 0, false, 0);
#else
      rpl->setRefPicIdentifier(0, 1, 0, false, 0);
#endif
      rpl->setPOC(0, 0);
    }
  }

  bool isRpl1CopiedFromRpl0 = true;
  for( int i = 0; isRpl1CopiedFromRpl0 && i < numRPLCandidates; i++)
  {
    if( sps.getRPLList0()->getReferencePictureList(i)->getNumRefEntries() == sps.getRPLList1()->getReferencePictureList(i)->getNumRefEntries() )
    {
      for( int j = 0; isRpl1CopiedFromRpl0 && j < sps.getRPLList0()->getReferencePictureList(i)->getNumRefEntries(); j++ )
      {
        if( sps.getRPLList0()->getReferencePictureList(i)->getRefPicIdentifier(j) != sps.getRPLList1()->getReferencePictureList(i)->getRefPicIdentifier(j) )
        {
          isRpl1CopiedFromRpl0 = false;
        }
      }
    }
    else
    {
      isRpl1CopiedFromRpl0 = false;
    }
  }
  sps.setRPL1CopyFromRPL0Flag(isRpl1CopiedFromRpl0);

  //Check if all delta POC of STRP in each RPL has the same sign
  //Check RPLL0 first
  const RPLList* rplList0 = sps.getRPLList0();
  const RPLList* rplList1 = sps.getRPLList1();
  uint32_t numberOfRPL = sps.getNumRPL0();

  bool isAllEntriesinRPLHasSameSignFlag = true;
  bool isFirstEntry = true;
  bool lastSign = true;        //true = positive ; false = negative
  for (uint32_t ii = 0; isAllEntriesinRPLHasSameSignFlag && ii < numberOfRPL; ii++)
  {
    const ReferencePictureList* rpl = rplList0->getReferencePictureList(ii);
    for (uint32_t jj = 0; isAllEntriesinRPLHasSameSignFlag && jj < rpl->getNumberOfActivePictures(); jj++)
    {
      if (!rpl->isRefPicLongterm(jj) && isFirstEntry)
      {
        lastSign = (rpl->getRefPicIdentifier(jj) >= 0) ? true : false;
        isFirstEntry = false;
      }
      else if (!rpl->isRefPicLongterm(jj) && (((rpl->getRefPicIdentifier(jj) - rpl->getRefPicIdentifier(jj - 1)) >= 0 && lastSign == false) || ((rpl->getRefPicIdentifier(jj) - rpl->getRefPicIdentifier(jj - 1)) < 0 && lastSign == true)))
      {
        isAllEntriesinRPLHasSameSignFlag = false;
      }
    }
  }
  //Check RPLL1. Skip it if it is already found out that this flag is not true for RPL0 or if RPL1 is the same as RPL0
  numberOfRPL = sps.getNumRPL1();
  isFirstEntry = true;
  lastSign = true;
  for (uint32_t ii = 0; isAllEntriesinRPLHasSameSignFlag && !sps.getRPL1CopyFromRPL0Flag() && ii < numberOfRPL; ii++)
  {
    isFirstEntry = true;
    const ReferencePictureList* rpl = rplList1->getReferencePictureList(ii);
    for (uint32_t jj = 0; isAllEntriesinRPLHasSameSignFlag && jj < rpl->getNumberOfActivePictures(); jj++)
    {
      if (!rpl->isRefPicLongterm(jj) && isFirstEntry)
      {
        lastSign = (rpl->getRefPicIdentifier(jj) >= 0) ? true : false;
        isFirstEntry = false;
      }
      else if (!rpl->isRefPicLongterm(jj) && (((rpl->getRefPicIdentifier(jj) - rpl->getRefPicIdentifier(jj - 1)) >= 0 && lastSign == false) || ((rpl->getRefPicIdentifier(jj) - rpl->getRefPicIdentifier(jj - 1)) < 0 && lastSign == true)))
      {
        isAllEntriesinRPLHasSameSignFlag = false;
      }
    }
  }
  sps.setAllActiveRplEntriesHasSameSignFlag(isAllEntriesinRPLHasSameSignFlag);
}

void EncLib::getActiveRefPicListNumForPOC(const SPS *sps, int POCCurr, int GOPid, uint32_t *activeL0, uint32_t *activeL1)
{
  if (m_intraPeriod < 0)  //Only for RA
  {
    *activeL0 = *activeL1 = 0;
    return;
  }
  uint32_t rpl0Idx = GOPid;
  uint32_t rpl1Idx = GOPid;

  int fullListNum = m_iGOPSize;
  int partialListNum = getRPLCandidateSize(0) - m_iGOPSize;
  int extraNum = fullListNum;
  if (m_intraPeriod < 0)
  {
    if (POCCurr < (2 * m_iGOPSize + 2))
    {
      int candidateIdx = (POCCurr + m_iGOPSize - 1 >= fullListNum + partialListNum) ? GOPid : POCCurr + m_iGOPSize - 1;
      rpl0Idx = candidateIdx;
      rpl1Idx = candidateIdx;
    }
    else
    {
      rpl0Idx = (POCCurr%m_iGOPSize == 0) ? m_iGOPSize - 1 : POCCurr%m_iGOPSize - 1;
      rpl1Idx = (POCCurr%m_iGOPSize == 0) ? m_iGOPSize - 1 : POCCurr%m_iGOPSize - 1;
    }
    extraNum = fullListNum + partialListNum;
  }
  for (; extraNum<fullListNum + partialListNum; extraNum++)
  {
    if (m_intraPeriod > 0 && getDecodingRefreshType() > 0)
    {
      int POCIndex = POCCurr % m_intraPeriod;
      if (POCIndex == 0)
      {
        POCIndex = m_intraPeriod;
      }
      if (POCIndex == m_RPLList0[extraNum].m_POC)
      {
        rpl0Idx = extraNum;
        rpl1Idx = extraNum;
        extraNum++;
      }
    }
  }

  const ReferencePictureList *rpl0 = sps->getRPLList0()->getReferencePictureList(rpl0Idx);
  *activeL0 = rpl0->getNumberOfActivePictures();
  const ReferencePictureList *rpl1 = sps->getRPLList1()->getReferencePictureList(rpl1Idx);
  *activeL1 = rpl1->getNumberOfActivePictures();
}

void EncLib::selectReferencePictureList(Slice* slice, int POCCurr, int GOPid, int ltPoc)
{
  bool isEncodeLtRef = (POCCurr == ltPoc);
  if (m_compositeRefEnabled && isEncodeLtRef)
  {
    POCCurr++;
  }

  slice->setRPL0idx(GOPid);
  slice->setRPL1idx(GOPid);

  int fullListNum = m_iGOPSize;
  int partialListNum = getRPLCandidateSize(0) - m_iGOPSize;
  int extraNum = fullListNum;

  int rplPeriod = m_intraPeriod;
  if( rplPeriod < 0 )  //Need to check if it is low delay or RA but with no RAP
  {
    if( slice->getSPS()->getRPLList0()->getReferencePictureList(1)->getRefPicIdentifier(0) * slice->getSPS()->getRPLList1()->getReferencePictureList(1)->getRefPicIdentifier(0) < 0)
    {
      rplPeriod = m_iGOPSize * 2;
    }
  }

  if (rplPeriod < 0)
  {
    if (POCCurr < (2 * m_iGOPSize + 2))
    {
      int candidateIdx = (POCCurr + m_iGOPSize - 1 >= fullListNum + partialListNum) ? GOPid : POCCurr + m_iGOPSize - 1;
      slice->setRPL0idx(candidateIdx);
      slice->setRPL1idx(candidateIdx);
    }
    else
    {
      slice->setRPL0idx((POCCurr%m_iGOPSize == 0) ? m_iGOPSize - 1 : POCCurr%m_iGOPSize - 1);
      slice->setRPL1idx((POCCurr%m_iGOPSize == 0) ? m_iGOPSize - 1 : POCCurr%m_iGOPSize - 1);
    }
    extraNum = fullListNum + partialListNum;
  }
  for (; extraNum < fullListNum + partialListNum; extraNum++)
  {
    if( rplPeriod > 0 )
    {
      int POCIndex = POCCurr % rplPeriod;
      if (POCIndex == 0)
      {
        POCIndex = rplPeriod;
      }
      if (POCIndex == m_RPLList0[extraNum].m_POC)
      {
        slice->setRPL0idx(extraNum);
        slice->setRPL1idx(extraNum);
        extraNum++;
      }
    }
  }

  if (slice->getPic()->fieldPic)
  {
    // To set RPL index of POC1 (first bottom field)
    if (POCCurr == 1)
    {
      slice->setRPL0idx(getRPLCandidateSize(0));
      slice->setRPL1idx(getRPLCandidateSize(0));
    }
    else if( rplPeriod < 0 )
    {
      // To set RPL indexes for LD
      int numRPLCandidates = getRPLCandidateSize(0);
      if (POCCurr < numRPLCandidates - m_iGOPSize + 2)
      {
        slice->setRPL0idx(POCCurr + m_iGOPSize - 2);
        slice->setRPL1idx(POCCurr + m_iGOPSize - 2);
      }
      else
      {
        if (POCCurr%m_iGOPSize == 0)
        {
          slice->setRPL0idx(m_iGOPSize - 2);
          slice->setRPL1idx(m_iGOPSize - 2);
        }
        else if (POCCurr%m_iGOPSize == 1)
        {
          slice->setRPL0idx(m_iGOPSize - 1);
          slice->setRPL1idx(m_iGOPSize - 1);
        }
        else
        {
          slice->setRPL0idx(POCCurr % m_iGOPSize - 2);
          slice->setRPL1idx(POCCurr % m_iGOPSize - 2);
        }
      }
    }
  }

  const ReferencePictureList *rpl0 = (slice->getSPS()->getRPLList0()->getReferencePictureList(slice->getRPL0idx()));
  const ReferencePictureList *rpl1 = (slice->getSPS()->getRPLList1()->getReferencePictureList(slice->getRPL1idx()));
  slice->setRPL0(rpl0);
  slice->setRPL1(rpl1);
}


void EncLib::setParamSetChanged(int spsId, int ppsId)
{
  m_ppsMap.setChangedFlag(ppsId);
  m_spsMap.setChangedFlag(spsId);
}
bool EncLib::APSNeedsWriting(int apsId)
{
  bool isChanged = m_apsMap.getChangedFlag(apsId);
  m_apsMap.clearChangedFlag(apsId);