EncLib.cpp

  for( int i = 0; i < m_vps->m_numDpbParams; i++ )
  {
    int olsIdx = i;

    if( m_vps->getMaxSubLayers() == 1 )
    {
      // When vps_max_sublayers_minus1 is equal to 0, the value of dpb_max_temporal_id[ i ] is inferred to be equal to 0.
      m_vps->m_dpbMaxTemporalId[i] = 0;
    }
    else
    {
      if( m_vps->getAllLayersSameNumSublayersFlag() )
      {
        // When vps_max_sublayers_minus1 is greater than 0 and vps_all_layers_same_num_sublayers_flag is equal to 1, the value of dpb_max_temporal_id[ i ] is inferred to be equal to vps_max_sublayers_minus1.
        m_vps->m_dpbMaxTemporalId[i] = m_vps->getMaxSubLayers() - 1;
      }
      else
      {
        m_vps->m_dpbMaxTemporalId[i] = m_maxTempLayer;
      }
    }

    for( int j = ( m_vps->m_sublayerDpbParamsPresentFlag ? 0 : m_vps->m_dpbMaxTemporalId[i] ); j <= m_vps->m_dpbMaxTemporalId[i]; j++ )
    {
      m_vps->m_dpbParameters[i].m_maxDecPicBuffering[j] = profileLevelTierFeatures.getMaxDpbSize( m_vps->getOlsDpbPicSize( olsIdx ).width * m_vps->getOlsDpbPicSize( olsIdx ).height );
      m_vps->m_dpbParameters[i].m_numReorderPics[j] = m_vps->m_dpbParameters[i].m_maxDecPicBuffering[j];
      m_vps->m_dpbParameters[i].m_maxLatencyIncreasePlus1[j] = 0;
    }

    for( int j = ( m_vps->m_sublayerDpbParamsPresentFlag ? m_vps->m_dpbMaxTemporalId[i] : 0 ); j < m_vps->m_dpbMaxTemporalId[i]; j++ )
    {
      // When max_dec_pic_buffering_minus1[ i ] is not present for i in the range of 0 to maxSubLayersMinus1 - 1, inclusive, due to subLayerInfoFlag being equal to 0, it is inferred to be equal to max_dec_pic_buffering_minus1[ maxSubLayersMinus1 ].
      m_vps->m_dpbParameters[i].m_maxDecPicBuffering[j] = m_vps->m_dpbParameters[i].m_maxDecPicBuffering[m_vps->m_dpbMaxTemporalId[i]];

      // When max_num_reorder_pics[ i ] is not present for i in the range of 0 to maxSubLayersMinus1 - 1, inclusive, due to subLayerInfoFlag being equal to 0, it is inferred to be equal to max_num_reorder_pics[ maxSubLayersMinus1 ].
      m_vps->m_dpbParameters[i].m_numReorderPics[j] = m_vps->m_dpbParameters[i].m_numReorderPics[m_vps->m_dpbMaxTemporalId[i]];

      // When max_latency_increase_plus1[ i ] is not present for i in the range of 0 to maxSubLayersMinus1 - 1, inclusive, due to subLayerInfoFlag being equal to 0, it is inferred to be equal to max_latency_increase_plus1[ maxSubLayersMinus1 ].
      m_vps->m_dpbParameters[i].m_maxLatencyIncreasePlus1[j] = m_vps->m_dpbParameters[i].m_maxLatencyIncreasePlus1[m_vps->m_dpbMaxTemporalId[i]];
    }
  }
}

void EncLib::xInitDCI(DCI& dci, const SPS& sps)
{
  dci.setMaxSubLayersMinus1(sps.getMaxTLayers() - 1);
  std::vector<ProfileTierLevel> ptls;
  ptls.resize(1);
  ptls[0] = *sps.getProfileTierLevel();
  dci.setProfileTierLevel(ptls);
}

void EncLib::xInitSPS( SPS& sps )
{
  ProfileTierLevel* profileTierLevel = sps.getProfileTierLevel();
  ConstraintInfo* cinfo = profileTierLevel->getConstraintInfo();
  cinfo->setProgressiveSourceFlag       (m_progressiveSourceFlag);
  cinfo->setInterlacedSourceFlag        (m_interlacedSourceFlag);
  cinfo->setNonPackedConstraintFlag     (m_nonPackedConstraintFlag);
  cinfo->setNonProjectedConstraintFlag(m_nonProjectedConstraintFlag);
  cinfo->setNoResChangeInClvsConstraintFlag(m_noResChangeInClvsConstraintFlag);
  cinfo->setOneTilePerPicConstraintFlag(m_oneTilePerPicConstraintFlag);
  cinfo->setOneSlicePerPicConstraintFlag(m_oneSlicePerPicConstraintFlag);
  cinfo->setOneSubpicPerPicConstraintFlag(m_oneSubpicPerPicConstraintFlag);
  cinfo->setFrameOnlyConstraintFlag     (m_frameOnlyConstraintFlag);
  cinfo->setIntraOnlyConstraintFlag         (m_intraConstraintFlag);
  cinfo->setMaxBitDepthConstraintIdc    (m_maxBitDepthConstraintIdc);
  cinfo->setMaxChromaFormatConstraintIdc((ChromaFormat)m_maxChromaFormatConstraintIdc);
  cinfo->setNoQtbttDualTreeIntraConstraintFlag(m_bNoQtbttDualTreeIntraConstraintFlag);
  cinfo->setNoPartitionConstraintsOverrideConstraintFlag(m_noPartitionConstraintsOverrideConstraintFlag);
  cinfo->setNoSaoConstraintFlag(m_bNoSaoConstraintFlag);
  cinfo->setNoAlfConstraintFlag(m_bNoAlfConstraintFlag);
  cinfo->setNoCCAlfConstraintFlag(m_noCCAlfConstraintFlag);
  cinfo->setNoRefWraparoundConstraintFlag(m_bNoRefWraparoundConstraintFlag);
  cinfo->setNoTemporalMvpConstraintFlag(m_bNoTemporalMvpConstraintFlag);
  cinfo->setNoSbtmvpConstraintFlag(m_bNoSbtmvpConstraintFlag);
  cinfo->setNoAmvrConstraintFlag(m_bNoAmvrConstraintFlag);
  cinfo->setNoBdofConstraintFlag(m_bNoBdofConstraintFlag);
  cinfo->setNoDmvrConstraintFlag(m_noDmvrConstraintFlag);
  cinfo->setNoCclmConstraintFlag(m_bNoCclmConstraintFlag);
  cinfo->setNoMtsConstraintFlag(m_bNoMtsConstraintFlag);
  cinfo->setNoSbtConstraintFlag(m_noSbtConstraintFlag);
  cinfo->setNoAffineMotionConstraintFlag(m_bNoAffineMotionConstraintFlag);
  cinfo->setNoBcwConstraintFlag(m_bNoBcwConstraintFlag);
  cinfo->setNoIbcConstraintFlag(m_noIbcConstraintFlag);
  cinfo->setNoCiipConstraintFlag(m_bNoCiipConstraintFlag);
  cinfo->setNoFPelMmvdConstraintFlag(m_noFPelMmvdConstraintFlag);
  cinfo->setNoGeoConstraintFlag(m_noGeoConstraintFlag);
  cinfo->setNoLadfConstraintFlag(m_bNoLadfConstraintFlag);
  cinfo->setNoTransformSkipConstraintFlag(m_noTransformSkipConstraintFlag);
  cinfo->setNoBDPCMConstraintFlag(m_noBDPCMConstraintFlag);
  cinfo->setNoJointCbCrConstraintFlag(m_noJointCbCrConstraintFlag);
  cinfo->setNoQpDeltaConstraintFlag(m_bNoQpDeltaConstraintFlag);
  cinfo->setNoDepQuantConstraintFlag(m_bNoDepQuantConstraintFlag);
  cinfo->setNoSignDataHidingConstraintFlag(m_bNoSignDataHidingConstraintFlag);
  cinfo->setNoTrailConstraintFlag(m_noTrailConstraintFlag);
  cinfo->setNoStsaConstraintFlag(m_noStsaConstraintFlag);
  cinfo->setNoRaslConstraintFlag(m_noRaslConstraintFlag);
  cinfo->setNoRadlConstraintFlag(m_noRadlConstraintFlag);
  cinfo->setNoIdrConstraintFlag(m_noIdrConstraintFlag);
  cinfo->setNoCraConstraintFlag(m_noCraConstraintFlag);
  cinfo->setNoGdrConstraintFlag(m_noGdrConstraintFlag);
  cinfo->setNoApsConstraintFlag(m_noApsConstraintFlag);

  profileTierLevel->setLevelIdc                    (m_level);
  profileTierLevel->setTierFlag                    (m_levelTier);
  profileTierLevel->setProfileIdc                  (m_profile);
  profileTierLevel->setNumSubProfile(m_numSubProfile);
  for (int k = 0; k < m_numSubProfile; k++)
  {
    profileTierLevel->setSubProfileIdc(k, m_subProfile[k]);
  }
  /* XXX: should Main be marked as compatible with still picture? */
  /* XXX: may be a good idea to refactor the above into a function
   * that chooses the actual compatibility based upon options */
  sps.setVPSId( m_vps->getVPSId() );
  sps.setMaxPicWidthInLumaSamples( m_iSourceWidth );
  sps.setMaxPicHeightInLumaSamples( m_iSourceHeight );
  if (m_rprEnabled)
  {
    int maxPicWidth = std::max(m_iSourceWidth, (int)((double)m_iSourceWidth / m_scalingRatioHor + 0.5));
    int maxPicHeight = std::max(m_iSourceHeight, (int)((double)m_iSourceHeight / m_scalingRatioVer + 0.5));
    const int minCuSize = std::max(8, 1 << m_log2MinCUSize);
    if (maxPicWidth % minCuSize)
    {
      maxPicWidth += ((maxPicWidth / minCuSize) + 1) * minCuSize - maxPicWidth;
    }
    if (maxPicHeight % minCuSize)
    {
      maxPicHeight += ((maxPicHeight / minCuSize) + 1) * minCuSize - maxPicHeight;
    }
    sps.setMaxPicWidthInLumaSamples( maxPicWidth );
    sps.setMaxPicHeightInLumaSamples( maxPicHeight );
  }
  sps.setConformanceWindow( m_conformanceWindow );

  sps.setMaxCUWidth             ( m_maxCUWidth        );
  sps.setMaxCUHeight            ( m_maxCUHeight       );
  sps.setLog2MinCodingBlockSize ( m_log2MinCUSize );
  sps.setChromaFormatIdc        ( m_chromaFormatIDC   );

  sps.setCTUSize                             ( m_CTUSize );
  sps.setSplitConsOverrideEnabledFlag        ( m_useSplitConsOverride );
  // convert the Intra Chroma minQT setting from chroma unit to luma unit
  m_uiMinQT[2] <<= getChannelTypeScaleX(CHANNEL_TYPE_CHROMA, m_chromaFormatIDC);
  sps.setMinQTSizes                          ( m_uiMinQT );
  sps.setMaxMTTHierarchyDepth                ( m_uiMaxMTTHierarchyDepth, m_uiMaxMTTHierarchyDepthI, m_uiMaxMTTHierarchyDepthIChroma );
  sps.setMaxBTSize( m_uiMaxBT[1], m_uiMaxBT[0], m_uiMaxBT[2] );
  sps.setMaxTTSize( m_uiMaxTT[1], m_uiMaxTT[0], m_uiMaxTT[2] );
  sps.setIDRRefParamListPresent              ( m_idrRefParamList );
  sps.setUseDualITree                        ( m_dualITree );
  sps.setUseLFNST                            ( m_LFNST );
  sps.setSBTMVPEnabledFlag                  ( m_SubPuMvpMode );
  sps.setAMVREnabledFlag                ( m_ImvMode != IMV_OFF );
  sps.setBDOFEnabledFlag                    ( m_BIO );
  sps.setMaxNumMergeCand(getMaxNumMergeCand());
  sps.setMaxNumAffineMergeCand(getMaxNumAffineMergeCand());
  sps.setMaxNumIBCMergeCand(getMaxNumIBCMergeCand());
  sps.setMaxNumGeoCand(getMaxNumGeoCand());
  sps.setUseAffine             ( m_Affine );
  sps.setUseAffineType         ( m_AffineType );
  sps.setUsePROF               ( m_PROF );
  sps.setUseLMChroma           ( m_LMChroma ? true : false );
  sps.setHorCollocatedChromaFlag( m_horCollocatedChromaFlag );
  sps.setVerCollocatedChromaFlag( m_verCollocatedChromaFlag );
  sps.setUseMTS                ( m_IntraMTS || m_InterMTS || m_ImplicitMTS );
  sps.setUseIntraMTS           ( m_IntraMTS );
  sps.setUseInterMTS           ( m_InterMTS );
  sps.setUseSBT                             ( m_SBT );
  sps.setUseSMVD                ( m_SMVD );
  sps.setUseBcw                ( m_bcw );
#if LUMA_ADAPTIVE_DEBLOCKING_FILTER_QP_OFFSET
  sps.setLadfEnabled           ( m_LadfEnabled );
  if ( m_LadfEnabled )
  {
    sps.setLadfNumIntervals    ( m_LadfNumIntervals );
    for ( int k = 0; k < m_LadfNumIntervals; k++ )
    {
      sps.setLadfQpOffset( m_LadfQpOffset[k], k );
      sps.setLadfIntervalLowerBound( m_LadfIntervalLowerBound[k], k );
    }
    CHECK( m_LadfIntervalLowerBound[0] != 0, "abnormal value set to LadfIntervalLowerBound[0]" );
  }
#endif

  sps.setUseCiip            ( m_ciip );
  sps.setUseGeo                ( m_Geo );
  sps.setUseMMVD               ( m_MMVD );
  sps.setFpelMmvdEnabledFlag   (( m_MMVD ) ? m_allowDisFracMMVD : false);
  sps.setBdofControlPresentFlag(m_BIO);
  sps.setDmvrControlPresentFlag(m_DMVR);
  sps.setProfControlPresentFlag(m_PROF);
  sps.setAffineAmvrEnabledFlag              ( m_AffineAmvr );
  sps.setUseDMVR                            ( m_DMVR );
  sps.setUseColorTrans(m_useColorTrans);
  sps.setPLTMode                            ( m_PLTMode);
  sps.setIBCFlag                            ( m_IBCMode);
  sps.setWrapAroundEnabledFlag                      ( m_wrapAround );
  sps.setWrapAroundOffset                   ( m_wrapAroundOffset );
  // ADD_NEW_TOOL : (encoder lib) set tool enabling flags and associated parameters here
  sps.setUseISP                             ( m_ISP );
  sps.setUseLmcs                            ( m_lmcsEnabled );
  sps.setUseMRL                ( m_MRL );
  sps.setUseMIP                ( m_MIP );
  CHECK(m_log2MinCUSize > std::min(6, floorLog2(sps.getMaxCUWidth())), "log2_min_luma_coding_block_size_minus2 shall be in the range of 0 to min (4, log2_ctu_size - 2)");
  CHECK(m_uiMaxMTTHierarchyDepth > 2 * (floorLog2(sps.getCTUSize()) - sps.getLog2MinCodingBlockSize()), "sps_max_mtt_hierarchy_depth_inter_slice shall be in the range 0 to 2*(ctbLog2SizeY - log2MinCUSize)");
  CHECK(m_uiMaxMTTHierarchyDepthI > 2 * (floorLog2(sps.getCTUSize()) - sps.getLog2MinCodingBlockSize()), "sps_max_mtt_hierarchy_depth_intra_slice_luma shall be in the range 0 to 2*(ctbLog2SizeY - log2MinCUSize)");
  CHECK(m_uiMaxMTTHierarchyDepthIChroma > 2 * (floorLog2(sps.getCTUSize()) - sps.getLog2MinCodingBlockSize()), "sps_max_mtt_hierarchy_depth_intra_slice_chroma shall be in the range 0 to 2*(ctbLog2SizeY - log2MinCUSize)");

  sps.setTransformSkipEnabledFlag(m_useTransformSkip);
  sps.setLog2MaxTransformSkipBlockSize(m_log2MaxTransformSkipBlockSize);
  sps.setBDPCMEnabledFlag(m_useBDPCM);

  sps.setSPSTemporalMVPEnabledFlag((getTMVPModeId() == 2 || getTMVPModeId() == 1));

  sps.setLog2MaxTbSize   ( m_log2MaxTbSize );

  for (uint32_t channelType = 0; channelType < MAX_NUM_CHANNEL_TYPE; channelType++)
  {
    sps.setBitDepth      (ChannelType(channelType), m_bitDepth[channelType] );
    sps.setQpBDOffset  (ChannelType(channelType), (6 * (m_bitDepth[channelType] - 8)));
    sps.setMinQpPrimeTsMinus4(ChannelType(channelType), max(0, 6 * (m_bitDepth[channelType] - m_inputBitDepth[channelType])));
  }

  sps.setEntropyCodingSyncEnabledFlag( m_entropyCodingSyncEnabledFlag );
  sps.setEntropyCodingSyncEntryPointsPresentFlag( m_entropyCodingSyncEntryPointPresentFlag );

  sps.setUseWP( m_useWeightedPred );
  sps.setUseWPBiPred( m_useWeightedBiPred );

  sps.setSAOEnabledFlag( m_bUseSAO );
  sps.setJointCbCrEnabledFlag( m_JointCbCrMode );
  sps.setMaxTLayers( m_maxTempLayer );
  sps.setTemporalIdNestingFlag( ( m_maxTempLayer == 1 ) ? true : false );

  for (int i = 0; i < std::min(sps.getMaxTLayers(), (uint32_t) MAX_TLAYER); i++ )
  {
    sps.setMaxDecPicBuffering(m_maxDecPicBuffering[i], i);
    sps.setNumReorderPics(m_numReorderPics[i], i);
  }

  sps.setScalingListFlag ( (m_useScalingListId == SCALING_LIST_OFF) ? 0 : 1 );
  sps.setALFEnabledFlag( m_alf );
  sps.setCCALFEnabledFlag( m_ccalf );
  sps.setFieldSeqFlag(false);
  sps.setVuiParametersPresentFlag(getVuiParametersPresentFlag());

  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->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);
  for (uint32_t signallingModeIndex = 0; signallingModeIndex < NUMBER_OF_RDPCM_SIGNALLING_MODES; signallingModeIndex++)
  {
    sps.getSpsRangeExtension().setRdpcmEnabledFlag(RDPCMSignallingMode(signallingModeIndex), m_rdpcmEnabledFlag[signallingModeIndex]);
  }
  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);
    sps.setSubPicCtuTopLeftX(m_subPicCtuTopLeftX);
    sps.setSubPicCtuTopLeftY(m_subPicCtuTopLeftY);
    sps.setSubPicWidth(m_subPicWidth);
    sps.setSubPicHeight(m_subPicHeight);
    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);
    sps.setSubPicWidth(0, m_iSourceWidth);
    sps.setSubPicHeight(0, m_iSourceHeight);
    sps.setSubPicTreatedAsPicFlag(0, 1);
    sps.setLoopFilterAcrossSubpicEnabledFlag(0, 0);
    sps.setSubPicIdLen(0);
    sps.setSubPicIdMappingExplicitlySignalledFlag(false);
  }
  sps.setDepQuantEnabledFlag( m_DepQuantEnabledFlag );
  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.setRprEnabledFlag( m_rprEnabled || sps.getInterLayerPresentFlag() );

  sps.setLog2ParallelMergeLevelMinus2( m_log2ParallelMergeLevelMinus2 );

  CHECK( sps.getRprEnabledFlag() && 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 *olsHrdParams = sps.getOlsHrdParameters();
  *olsHrdParams = m_encHRD.getOlsHrdParameters();
}

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 SHARP_LUMA_DELTA_QP
  if ( getLumaLevelToDeltaQPMapping().isEnabled() )
  {
    bUseDQP = true;
  }
#endif
  if (sps.getChromaFormatIdc() != CHROMA_400)
  {
    pps.setPPSChromaToolFlag (true);
  }
#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 )
  {
    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)
  {
    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);
  }


  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 ( 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
  {
    pps.setDeblockingFilterBetaOffsetDiv2(0);
    pps.setDeblockingFilterTcOffsetDiv2(0);
    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:
  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;

  pps.setDeblockingFilterControlPresentFlag(deblockingFilterControlPresentFlag);

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


  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() );

  // quantization
  picHeader.setDepQuantEnabledFlag( sps.getDepQuantEnabledFlag() );
  picHeader.setSignDataHidingEnabledFlag( sps.getSignDataHidingEnabledFlag() );
  
  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);
    }
  }

  // gradual decoder refresh flag
  picHeader.setGdrPicFlag(false);
  
  // BDOF / DMVR / PROF
  picHeader.setDisBdofFlag(false);
  picHeader.setDisDmvrFlag(false);
  picHeader.setDisProfFlag(false);
}

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++)
      {
        rpl->setRefPicIdentifier( k, ge.m_deltaRefPics[k], 0, false, 0 );
      }
    }
  }

  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);
      rpl->setRefPicIdentifier(0, 1, 0, false, 0);
      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)