IntraSearch.cpp

        {
          continue;
        }
        pu.intraDir[1] = mode; // temporary assigned, for SATD checking.

        int64_t sad = 0;
        int64_t sadCb = 0;
        int64_t satdCb = 0;
        int64_t sadCr = 0;
        int64_t satdCr = 0;
        CodingStructure& cs = *(pu.cs);

        CompArea areaCb = pu.Cb();
        PelBuf orgCb = cs.getOrgBuf(areaCb);
        PelBuf predCb = cs.getPredBuf(areaCb);
        m_pcRdCost->setDistParam(distParamSad, orgCb, predCb, pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cb, false);
        m_pcRdCost->setDistParam(distParamSatd, orgCb, predCb, pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cb, true);
        distParamSad.applyWeight = false;
        distParamSatd.applyWeight = false;
        if (PU::isLMCMode(mode))
        {
          predIntraChromaLM(COMPONENT_Cb, predCb, pu, areaCb, mode);
        }
        else
        {
          initPredIntraParams(pu, pu.Cb(), *pu.cs->sps);
          predIntraAng(COMPONENT_Cb, predCb, pu);
        }
        sadCb = distParamSad.distFunc(distParamSad) * 2;
        satdCb = distParamSatd.distFunc(distParamSatd);
        sad += std::min(sadCb, satdCb);
        CompArea areaCr = pu.Cr();
        PelBuf orgCr = cs.getOrgBuf(areaCr);
        PelBuf predCr = cs.getPredBuf(areaCr);
        m_pcRdCost->setDistParam(distParamSad, orgCr, predCr, pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cr, false);
        m_pcRdCost->setDistParam(distParamSatd, orgCr, predCr, pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cr, true);
        distParamSad.applyWeight = false;
        distParamSatd.applyWeight = false;
        if (PU::isLMCMode(mode))
        {
          predIntraChromaLM(COMPONENT_Cr, predCr, pu, areaCr, mode);
        }
        else
        {
          initPredIntraParams(pu, pu.Cr(), *pu.cs->sps);
          predIntraAng(COMPONENT_Cr, predCr, pu);
        }
        sadCr = distParamSad.distFunc(distParamSad) * 2;
        satdCr = distParamSatd.distFunc(distParamSatd);
        sad += std::min(sadCr, satdCr);
        satdSortedCost[idx] = sad;
      }

#if JVET_AB0143_CCCM_TS
#if MMLM
#if JVET_AC0054_GLCCCM
      uint32_t chromaCandCccmModes[CCCM_NUM_MODES] = { LM_CHROMA_IDX, MDLM_L_IDX, MDLM_T_IDX, MMLM_CHROMA_IDX, MMLM_L_IDX, MMLM_T_IDX
                                                     , LM_CHROMA_IDX, MDLM_L_IDX, MDLM_T_IDX, MMLM_CHROMA_IDX, MMLM_L_IDX, MMLM_T_IDX };
#else
      uint32_t chromaCandCccmModes[CCCM_NUM_MODES] = { LM_CHROMA_IDX, MDLM_L_IDX, MDLM_T_IDX, MMLM_CHROMA_IDX, MMLM_L_IDX, MMLM_T_IDX };
#endif
#else
#if JVET_AC0054_GLCCCM
      uint32_t chromaCandCccmModes[CCCM_NUM_MODES] = { LM_CHROMA_IDX, MDLM_L_IDX, MDLM_T_IDX
                                                     , LM_CHROMA_IDX, MDLM_L_IDX, MDLM_T_IDX };
#else
      uint32_t chromaCandCccmModes[CCCM_NUM_MODES] = { LM_CHROMA_IDX, MDLM_L_IDX, MDLM_T_IDX };
#endif
#endif

#if JVET_AD0202_CCCM_MDF   
      int satdCccmFilterIndex[TOTAL_NUM_CCCM_MODES];
#if JVET_AC0054_GLCCCM
      int satdCccmFlagList[TOTAL_NUM_CCCM_MODES];
#endif
#else
#if JVET_AC0054_GLCCCM
      int satdCccmFlagList[CCCM_NUM_MODES];
#endif
#endif
        
#if JVET_AC0147_CCCM_NO_SUBSAMPLING
#if JVET_AD0202_CCCM_MDF  
      int64_t satdCccmSortedCost[2][TOTAL_NUM_CCCM_MODES];
      int satdCccmModeList[2][TOTAL_NUM_CCCM_MODES];
      for (int i = 0; i < CCCM_NUM_PRED_FILTER; i++)
      {
        int startIdx = i * CCCM_NUM_MODES;
        for (int j = 0; j < CCCM_NUM_MODES; j++)
        {
          int currCccmModeIdx = startIdx + j;
          satdCccmSortedCost[0][currCccmModeIdx] = LLONG_MAX; // for the mode not pre-select by SATD, do RDO by default, so set the initial value 0.
          satdCccmSortedCost[1][currCccmModeIdx] = LLONG_MAX; // for the mode not pre-select by SATD, do RDO by default, so set the initial value 0.
          satdCccmModeList[0][currCccmModeIdx] = chromaCandCccmModes[j];
          satdCccmModeList[1][currCccmModeIdx] = chromaCandCccmModes[j];
#if JVET_AC0054_GLCCCM
          satdCccmFlagList[currCccmModeIdx] = j < (CCCM_NUM_MODES / 2) ? 1 : 2; // 1: cccm, 2: glCccm
#endif
          satdCccmFilterIndex[currCccmModeIdx] = i;
        }
      }
#else
      int64_t satdCccmSortedCost[2][CCCM_NUM_MODES];
      int satdCccmModeList[2][CCCM_NUM_MODES];

      for (int i = 0; i < CCCM_NUM_MODES; i++)
      {
        satdCccmSortedCost[0][i] = LLONG_MAX; // for the mode not pre-select by SATD, do RDO by default, so set the initial value 0.
        satdCccmSortedCost[1][i] = LLONG_MAX; // for the mode not pre-select by SATD, do RDO by default, so set the initial value 0.
        satdCccmModeList[0][i] = chromaCandCccmModes[i];
        satdCccmModeList[1][i] = chromaCandCccmModes[i];
#if JVET_AC0054_GLCCCM
        satdCccmFlagList[i] = i < (CCCM_NUM_MODES / 2) ? 1 : 2; // 1: cccm, 2: glCccm
#endif
      }
#endif
      int64_t bestCccmCost[2] = { LLONG_MAX, LLONG_MAX};

      bool isCccmFullEnabled = PU::cccmSingleModeAvail(pu, LM_CHROMA_IDX);
      bool isCccmLeftEnabled = PU::isLeftCccmMode(pu, MDLM_L_IDX);
      bool isCccmTopEnabled = PU::isTopCccmMode(pu, MDLM_T_IDX);
#if MMLM
      bool isMultiCccmFullEnabled = PU::cccmMultiModeAvail(pu, MMLM_CHROMA_IDX);
      bool isMultiCccmLeftEnabled = PU::cccmMultiModeAvail(pu, MMLM_L_IDX);
      bool isMultiCccmTopEnabled = PU::cccmMultiModeAvail(pu, MMLM_T_IDX);
#endif
#if JVET_AD0202_CCCM_MDF
      bool isMultiCccmFullEnabled2 = PU::isMultiCccmWithMdf(pu, MMLM_CHROMA_IDX);
      bool isMultiCccmLeftEnabled2 = PU::isMultiCccmWithMdf(pu, MMLM_L_IDX);
      bool isMultiCccmTopEnabled2 = PU::isMultiCccmWithMdf(pu, MMLM_T_IDX);
#endif

      const UnitArea localUnitArea(cs.area.chromaFormat, Area(0, 0, (pu.Cb().width) << 1, (pu.Cb().height) << 1));
#if JVET_AD0202_CCCM_MDF
      PelUnitBuf cccmStorage[2][TOTAL_NUM_CCCM_MODES];
#else
      PelUnitBuf cccmStorage[2][CCCM_NUM_MODES];
#endif

      pu.cccmFlag = 1;

#if JVET_AD0202_CCCM_MDF
      pu.cccmNoSubFlag = 1;
      xGetLumaRecPixels(pu, pu.Cb());
      pu.cccmNoSubFlag = 0;
      xGetLumaRecPixels(pu, pu.Cb());
      xGetLumaRecPixels(pu, pu.Cb(), 1);
      xGetLumaRecPixels(pu, pu.Cb(), 2);
      xGetLumaRecPixels(pu, pu.Cb(), 3);
#endif

      for (int sub = 0; sub < pu.cu->slice->getSPS()->getUseCccm(); sub++)
      {
        pu.cccmNoSubFlag = sub;

#if !JVET_AD0202_CCCM_MDF
        xGetLumaRecPixels(pu, pu.Cb());
#endif

        bool isCCCMEnabled = false;

        for (int idx = 0; idx < CCCM_NUM_MODES; idx++)
        {
#if JVET_AC0054_GLCCCM
          if (sub && idx >= CCCM_NUM_MODES / 2)
          {
            continue;
          }
#endif
          int mode = chromaCandCccmModes[idx];
          if (idx == 0)
          {
            isCCCMEnabled = isCccmFullEnabled;
            pu.cccmFlag = 1;
          }
          else if (idx == 1)
          {
            isCCCMEnabled = isCccmLeftEnabled;
            pu.cccmFlag = 2;
          }
          else if (idx == 2)
          {
            isCCCMEnabled = isCccmTopEnabled;
            pu.cccmFlag = 3;
          }
#if MMLM
          else if (idx == 3)
          {
            isCCCMEnabled = isMultiCccmFullEnabled;
            pu.cccmFlag = 1;
          }
          else if (idx == 4)
          {
            isCCCMEnabled = isMultiCccmLeftEnabled;
            pu.cccmFlag = 2;
          }
          else if (idx == 5)
          {
            isCCCMEnabled = isMultiCccmTopEnabled;
            pu.cccmFlag = 3;
          }
#endif
            
#if JVET_AC0054_GLCCCM
          if (idx < CCCM_NUM_MODES / 2)
          {
            pu.glCccmFlag = 0;
          }
          else
          {
            pu.glCccmFlag = 1;
#if MMLM
            isCCCMEnabled = idx == 6 ? isCccmFullEnabled
            : idx == 7 ? isCccmLeftEnabled
            : idx == 8 ? isCccmTopEnabled
            : idx == 9 ? isMultiCccmFullEnabled
            : idx == 10 ? isMultiCccmLeftEnabled : isMultiCccmTopEnabled;
            pu.cccmFlag =  idx == 6 ? 1
            : idx == 7 ? 2
            : idx == 8 ? 3
            : idx == 9 ? 1
            : idx == 10 ? 2 : 3;
#else
            isCCCMEnabled = idx == 3 ? isCccmFullEnabled
            : idx == 4 ? isCccmLeftEnabled : isCccmTopEnabled;
            pu.cccmFlag =   idx == 3 ? 1
            : idx == 4 ? 2 : 3;
#endif

#if JVET_AD0202_CCCM_MDF
            if (isCCCMEnabled)
            {
              if (m_skipCCCMwithMdfSATD)
              {
                if (m_isCccmWithMdfEnabledInRdo[4][mode] == 0)
                {
                  continue;
                }
              }
            }
#endif
         }
#endif

          if (isCCCMEnabled)
          {
#if JVET_AD0202_CCCM_MDF
            for (int32_t filterIdx = 0; filterIdx < CCCM_NUM_PRED_FILTER; filterIdx++)
            {
            if (filterIdx > 0)
            {
              if (sub == 1 || idx > 5)
              {
                continue;
              }

              if (m_skipCCCMwithMdfSATD)
              {
                if (m_isCccmWithMdfEnabledInRdo[filterIdx][mode] == 0)
                {
                  continue;
                }
              }

              if (mode == MMLM_CHROMA_IDX && !isMultiCccmFullEnabled2)
              {
                continue;
              }
              else if (mode == MMLM_L_IDX && !isMultiCccmLeftEnabled2)
              {
                continue;
              }
              else if (mode == MMLM_T_IDX && !isMultiCccmTopEnabled2)
              {
                continue;
              }
            }
            else if (sub == 0 && idx <= 5)
            {
              if (m_skipCCCMwithMdfSATD)
              {
                if (m_isCccmWithMdfEnabledInRdo[filterIdx][mode] == 0)
                {
                  continue;
                }
              }
            }

            pu.cccmMultiFilterIdx = filterIdx;
#endif
            pu.intraDir[1] = mode; // temporary assigned, for SATD checking.

            if ( ( sub == 1 ) && m_skipCCCMSATD )
            {
              if (m_isCccmNoSubModeEnabledInRdo[mode] == 0)
              {
                continue;
              }
            }

            int64_t sad = 0;
            int64_t sadCb = 0;
            int64_t satdCb = 0;
            int64_t sadCr = 0;
            int64_t satdCr = 0;
            CodingStructure& cs = *(pu.cs);

            DistParam distParamSadCb;
            DistParam distParamSatdCb;
            DistParam distParamSadCr;
            DistParam distParamSatdCr;

#if JVET_AD0202_CCCM_MDF
            const int cccmBufferIdx = filterIdx * CCCM_NUM_MODES + idx;
            cccmStorage[sub][cccmBufferIdx] = m_cccmStorage[sub][cccmBufferIdx].getBuf(localUnitArea);
#else
            cccmStorage[sub][idx] = m_cccmStorage[sub][idx].getBuf(localUnitArea);
#endif

            CompArea areaCb = pu.Cb();
            PelBuf orgCb = cs.getOrgBuf(areaCb);
            CompArea areaCr = pu.Cr();
            PelBuf orgCr = cs.getOrgBuf(areaCr);

#if JVET_AD0202_CCCM_MDF
            m_pcRdCost->setDistParam(distParamSadCb, orgCb, cccmStorage[sub][cccmBufferIdx].Cb(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cb, false);
            m_pcRdCost->setDistParam(distParamSatdCb, orgCb, cccmStorage[sub][cccmBufferIdx].Cb(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cb, true);
#else
            m_pcRdCost->setDistParam(distParamSadCb, orgCb, cccmStorage[sub][idx].Cb(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cb, false);
            m_pcRdCost->setDistParam(distParamSatdCb, orgCb, cccmStorage[sub][idx].Cb(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cb, true);
#endif
            distParamSadCb.applyWeight = false;
            distParamSatdCb.applyWeight = false;
#if JVET_AD0202_CCCM_MDF
            m_pcRdCost->setDistParam(distParamSadCr, orgCr, cccmStorage[sub][cccmBufferIdx].Cr(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cr, false);
            m_pcRdCost->setDistParam(distParamSatdCr, orgCr, cccmStorage[sub][cccmBufferIdx].Cr(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cr, true);
#else
            m_pcRdCost->setDistParam(distParamSadCr, orgCr, cccmStorage[sub][idx].Cr(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cr, false);
            m_pcRdCost->setDistParam(distParamSatdCr, orgCr, cccmStorage[sub][idx].Cr(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cr, true);
#endif
            distParamSadCr.applyWeight = false;
            distParamSatdCr.applyWeight = false;

#if JVET_AD0202_CCCM_MDF
            predIntraCCCM(pu, cccmStorage[sub][cccmBufferIdx].Cb(), cccmStorage[sub][cccmBufferIdx].Cr(), mode);
#else
            predIntraCCCM(pu, cccmStorage[sub][idx].Cb(), cccmStorage[sub][idx].Cr(), mode);
#endif

            sadCb = distParamSadCb.distFunc(distParamSadCb) * 2;
            satdCb = distParamSatdCb.distFunc(distParamSatdCb);
            sad += std::min(sadCb, satdCb);
            sadCr = distParamSadCr.distFunc(distParamSadCr) * 2;
            satdCr = distParamSatdCr.distFunc(distParamSatdCr);
            sad += std::min(sadCr, satdCr);

#if JVET_AD0202_CCCM_MDF
            satdCccmSortedCost[sub][cccmBufferIdx] = sad;
#else
            satdCccmSortedCost[sub][idx] = sad;
#endif

            if (sad < bestCccmCost[sub])
            {
              bestCccmCost[sub] = sad;
            }
#if JVET_AD0202_CCCM_MDF
            }
#endif
          }
        }
      }
#if JVET_AC0054_GLCCCM
      int tempGlCccmFlag = 0;
#endif
      int tempCccmIdx = 0;
      int64_t tempCccmCost = 0;
#if JVET_AC0054_GLCCCM
#if JVET_AD0202_CCCM_MDF 
      for (int i = 1; i < 7; i++)
#else
      for (int i = 1; i < CCCM_NUM_MODES; i++)
#endif
#else
#if MMLM
      for (int i = 1; i < 4; i++)
#else
      for (int i = 1; i < 3; i++)
#endif
#endif
      {
#if JVET_AD0202_CCCM_MDF
        for (int j = i + 1; j < VALID_NUM_CCCM_MODES; j++)
#else
        for (int j = i + 1; j < CCCM_NUM_MODES; j++)
#endif
        {
          if (satdCccmSortedCost[0][j] < satdCccmSortedCost[0][i])
          {
            tempCccmIdx = satdCccmModeList[0][i];
            satdCccmModeList[0][i] = satdCccmModeList[0][j];
            satdCccmModeList[0][j] = tempCccmIdx;

            tempCccmCost = satdCccmSortedCost[0][i];
            satdCccmSortedCost[0][i] = satdCccmSortedCost[0][j];
            satdCccmSortedCost[0][j] = tempCccmCost;
#if JVET_AC0054_GLCCCM
            tempGlCccmFlag = satdCccmFlagList[i];
            satdCccmFlagList[i] = satdCccmFlagList[j];
            satdCccmFlagList[j] = tempGlCccmFlag;
#endif
#if JVET_AD0202_CCCM_MDF 
            tempCccmIdx = satdCccmFilterIndex[i];
            satdCccmFilterIndex[i] = satdCccmFilterIndex[j];
            satdCccmFilterIndex[j] = tempCccmIdx;
#endif
          }
        }
      }

#if MMLM
      bool isCccmModeEnabledInRdo[2][MMLM_T_IDX + 1] = { false };
#if !JVET_AD0202_CCCM_MDF
      isCccmModeEnabledInRdo[0][satdCccmModeList[0][0]] = true;
#endif
#if JVET_AC0054_GLCCCM
      bool isGlCccmModeEnabledInRdo[MMLM_T_IDX + 1] = { false };
#if !JVET_AD0202_CCCM_MDF
      if (satdCccmFlagList[0] == 2)
      {
        isCccmModeEnabledInRdo[0][satdCccmModeList[0][0]] = false;
        isGlCccmModeEnabledInRdo[satdCccmModeList[0][0]] = true;
      }
#endif
#endif
#if JVET_AD0202_CCCM_MDF 
      bool isCccmWithMulDownSamplingEnabledInRdo[MMLM_T_IDX + 1][CCCM_NUM_PRED_FILTER] = { false };
      isCccmWithMulDownSamplingEnabledInRdo[satdCccmModeList[0][0]][satdCccmFilterIndex[0]] = true;
      for (int i = 1; i < 7; i++)
#else
      for (int i = 1; i < 4; i++)
#endif
#else
      bool isCccmModeEnabledInRdo[MDLM_T_IDX + 1] = { false };
      isCccmModeEnabledInRdo[satdCccmModeList[0]] = true;
#if JVET_AC0054_GLCCCM
      bool isGlCccmModeEnabledInRdo[MDLM_T_IDX + 1] = { false };
      if (satdCccmFlagList[0] == 2)
      {
        isCccmModeEnabledInRdo[0][satdCccmModeList[0][0]] = false;
        isGlCccmModeEnabledInRdo[satdCccmModeList[0][0]] = true;
      }
#endif
      for (int i = 1; i < 3; i++)
#endif
      {
        if (satdCccmSortedCost[0][i] >= 1.15 * bestCccmCost[0])
        {
          break;
        }
#if JVET_AC0054_GLCCCM
        if (satdCccmFlagList[i] == 2)
        {
          isGlCccmModeEnabledInRdo[satdCccmModeList[0][i]] = true;
        }
        else
        {
#if JVET_AD0202_CCCM_MDF 
          isCccmWithMulDownSamplingEnabledInRdo[satdCccmModeList[0][i]][satdCccmFilterIndex[i]] = true;
#else
          isCccmModeEnabledInRdo[0][satdCccmModeList[0][i]] = true;
#endif
        }
#else
        isCccmModeEnabledInRdo[0][satdCccmModeList[0][i]] = true;
#endif
      }
#if JVET_AD0202_CCCM_MDF
      if (m_skipCCCMwithMdfSATD == false)
      {
        m_skipCCCMwithMdfSATD = true;
        for (int i = LM_CHROMA_IDX; i <= MMLM_T_IDX; i++)
        {
          m_isCccmWithMdfEnabledInRdo[4][i] = isGlCccmModeEnabledInRdo[i] ? 1 : 0;

          for (int j = 0; j < 4; j++)
          {
            m_isCccmWithMdfEnabledInRdo[j][i] = isCccmWithMulDownSamplingEnabledInRdo[i][j] ? 1 : 0;
          }
        }
      }
#endif

      if (pu.cu->slice->getSPS()->getUseCccm() == 2)
      {
        if (bestCccmCost[1] < bestCccmCost[0])
        {
#if MMLM
#if JVET_AD0202_CCCM_MDF
          for (int i = 1; i < 7; i++)
#else
          for (int i = 0; i < 4; i++)
#endif
#else
          for (int i = 0; i < 3; i++)
#endif
          {
#if JVET_AD0202_CCCM_MDF
            if (isCccmWithMulDownSamplingEnabledInRdo[satdCccmModeList[0][i]][satdCccmFilterIndex[i]] && (satdCccmSortedCost[0][i] >= 1.2 * bestCccmCost[1]))
            {
              isCccmWithMulDownSamplingEnabledInRdo[satdCccmModeList[0][i]][satdCccmFilterIndex[i]] = false;
            }
#else
            if (isCccmModeEnabledInRdo[0][satdCccmModeList[0][i]] && (satdCccmSortedCost[0][i] >= 1.2 * bestCccmCost[1]))
            {
              isCccmModeEnabledInRdo[0][satdCccmModeList[0][i]] = false;
            }
#endif
            else
            {
              bestCccmCost[0] = satdCccmSortedCost[0][i];
            }
          }
        }
        else
        {
          bestCccmCost[1] = bestCccmCost[0];
        }

        tempCccmIdx = 0;
        tempCccmCost = 0;
        for (int i = 1; i < 2; i++)
        {
          for (int j = i + 1; j < 6; j++)
          {
            if (satdCccmSortedCost[1][j] < satdCccmSortedCost[1][i])
            {
              tempCccmIdx = satdCccmModeList[1][i];
              satdCccmModeList[1][i] = satdCccmModeList[1][j];
              satdCccmModeList[1][j] = tempCccmIdx;

              tempCccmCost = satdCccmSortedCost[1][i];
              satdCccmSortedCost[1][i] = satdCccmSortedCost[1][j];
              satdCccmSortedCost[1][j] = tempCccmCost;
            }
          }
        }

        isCccmModeEnabledInRdo[1][satdCccmModeList[1][0]] = true;
        for (int i = 1; i < 2; i++)
        {
          if (satdCccmSortedCost[1][i] >= CCCM_NO_SUB_WEIGHT * bestCccmCost[1])
          {
#if !JVET_AD0202_CCCM_MDF
#if JVET_AC0054_GLCCCM
            if (satdCccmSortedCost[1][i - 1] > bestCccmCost[0] && satdCccmFlagList[0] != 2)
#else
            if (satdCccmSortedCost[1][i - 1] > bestCccmCost[0])
#endif
            {
              bestCccmCost[0] = satdCccmSortedCost[1][i - 1];
            }
            bestCccmCost[1] = satdCccmSortedCost[1][i - 1];
#endif
            break;
          }
          isCccmModeEnabledInRdo[1][satdCccmModeList[1][i]] = true;
        }
#if JVET_AD0202_CCCM_MDF
        bestCccmCost[1] = (isCccmModeEnabledInRdo[1][satdCccmModeList[1][1]] && satdCccmSortedCost[1][0] < satdCccmSortedCost[1][1]) ? satdCccmSortedCost[1][1] : satdCccmSortedCost[1][0];
        bestCccmCost[0] = (bestCccmCost[1] > bestCccmCost[0]) ? bestCccmCost[1] : bestCccmCost[0];
        bestCccmCost[0] = (satdCccmSortedCost[0][0] > bestCccmCost[0]) ? satdCccmSortedCost[0][0] : bestCccmCost[0];
#endif
        if (m_skipCCCMSATD == false)
        {
          m_skipCCCMSATD = true;
          for (int i = 0; i < (MMLM_T_IDX + 1); i++)
          {
            m_isCccmNoSubModeEnabledInRdo[i] = isCccmModeEnabledInRdo[1][i];
          }
        }
      }
      pu.cccmFlag = 0;
      pu.cccmNoSubFlag = 0;
#if JVET_AC0054_GLCCCM
      pu.glCccmFlag = 0;
#endif
#if JVET_AD0202_CCCM_MDF 
      pu.cccmMultiFilterIdx = 0;
#endif
#else
      int64_t satdCccmSortedCost[CCCM_NUM_MODES];
      int satdCccmModeList[CCCM_NUM_MODES];

      for (int i = 0; i < CCCM_NUM_MODES; i++)
      {
        satdCccmSortedCost[i] = LLONG_MAX; // for the mode not pre-select by SATD, do RDO by default, so set the initial value 0.
        satdCccmModeList[i] = chromaCandCccmModes[i];
      }
      int64_t bestCccmCost = LLONG_MAX;

      bool isCccmFullEnabled = PU::cccmSingleModeAvail(pu, LM_CHROMA_IDX);
      bool isCccmLeftEnabled = PU::isLeftCccmMode(pu, MDLM_L_IDX);
      bool isCccmTopEnabled = PU::isTopCccmMode(pu, MDLM_T_IDX);
#if MMLM
      bool isMultiCccmFullEnabled = PU::cccmMultiModeAvail(pu, MMLM_CHROMA_IDX);
      bool isMultiCccmLeftEnabled = PU::cccmMultiModeAvail(pu, MMLM_L_IDX);
      bool isMultiCccmTopEnabled = PU::cccmMultiModeAvail(pu, MMLM_T_IDX);
#endif

      const UnitArea localUnitArea(cs.area.chromaFormat, Area(0, 0, (pu.Cb().width) << 1, (pu.Cb().height) << 1));
      PelUnitBuf cccmStorage[CCCM_NUM_MODES];

      pu.cccmFlag = 1;
      xGetLumaRecPixels(pu, pu.Cb());

      bool isCCCMEnabled = false;

      for (int idx = 0; idx < CCCM_NUM_MODES; idx++)
      {
        int mode = chromaCandCccmModes[idx];
        if (idx == 0)
        {
          isCCCMEnabled = isCccmFullEnabled;
          pu.cccmFlag = 1;
        }
        else if (idx == 1)
        {
          isCCCMEnabled = isCccmLeftEnabled;
          pu.cccmFlag = 2;
        }
        else if (idx == 2)
        {
          isCCCMEnabled = isCccmTopEnabled;
          pu.cccmFlag = 3;
        }
#if MMLM
        else if (idx == 3)
        {
          isCCCMEnabled = isMultiCccmFullEnabled;
          pu.cccmFlag = 1;
        }
        else if (idx == 4)
        {
          isCCCMEnabled = isMultiCccmLeftEnabled;
          pu.cccmFlag = 2;
        }
        else if (idx == 5)
        {
          isCCCMEnabled = isMultiCccmTopEnabled;
          pu.cccmFlag = 3;
        }
#endif

        if (isCCCMEnabled)
        {
          pu.intraDir[1] = mode; // temporary assigned, for SATD checking.

          int64_t sad = 0;
          int64_t sadCb = 0;
          int64_t satdCb = 0;
          int64_t sadCr = 0;
          int64_t satdCr = 0;
          CodingStructure& cs = *(pu.cs);

          DistParam distParamSadCb;
          DistParam distParamSatdCb;
          DistParam distParamSadCr;
          DistParam distParamSatdCr;

          cccmStorage[idx] = m_cccmStorage[idx].getBuf(localUnitArea);

          CompArea areaCb = pu.Cb();
          PelBuf orgCb = cs.getOrgBuf(areaCb);
          CompArea areaCr = pu.Cr();
          PelBuf orgCr = cs.getOrgBuf(areaCr);

          m_pcRdCost->setDistParam(distParamSadCb, orgCb, cccmStorage[idx].Cb(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cb, false);
          m_pcRdCost->setDistParam(distParamSatdCb, orgCb, cccmStorage[idx].Cb(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cb, true);
          distParamSadCb.applyWeight = false;
          distParamSatdCb.applyWeight = false;
          m_pcRdCost->setDistParam(distParamSadCr, orgCr, cccmStorage[idx].Cr(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cr, false);
          m_pcRdCost->setDistParam(distParamSatdCr, orgCr, cccmStorage[idx].Cr(), pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cr, true);

          distParamSadCr.applyWeight = false;
          distParamSatdCr.applyWeight = false;

          predIntraCCCM(pu, cccmStorage[idx].Cb(), cccmStorage[idx].Cr(), mode);

          sadCb = distParamSadCb.distFunc(distParamSadCb) * 2;
          satdCb = distParamSatdCb.distFunc(distParamSatdCb);
          sad += std::min(sadCb, satdCb);
          sadCr = distParamSadCr.distFunc(distParamSadCr) * 2;
          satdCr = distParamSatdCr.distFunc(distParamSatdCr);
          sad += std::min(sadCr, satdCr);

          satdCccmSortedCost[idx] = sad;

          if (sad < bestCccmCost)
          {
            bestCccmCost = sad;
          }
        }
      }

      int tempCccmIdx = 0;
      int64_t tempCccmCost = 0;
#if MMLM
      for (int i = 1; i < 4; i++)
#else
      for (int i = 1; i < 3; i++)
#endif
      {
        for (int j = i + 1; j < CCCM_NUM_MODES; j++)
        {
          if (satdCccmSortedCost[j] < satdCccmSortedCost[i])
          {
            tempCccmIdx = satdCccmModeList[i];
            satdCccmModeList[i] = satdCccmModeList[j];
            satdCccmModeList[j] = tempCccmIdx;

            tempCccmCost = satdCccmSortedCost[i];
            satdCccmSortedCost[i] = satdCccmSortedCost[j];
            satdCccmSortedCost[j] = tempCccmCost;
          }
        }
      }

#if MMLM
      bool isCccmModeEnabledInRdo[MMLM_T_IDX + 1] = { false };
      isCccmModeEnabledInRdo[satdCccmModeList[0]] = true;
      for (int i = 1; i < 4; i++)
#else
      bool isCccmModeEnabledInRdo[MDLM_T_IDX + 1] = { false };
      isCccmModeEnabledInRdo[satdCccmModeList[0]] = true;
      for (int i = 1; i < 3; i++)
#endif
      {
        if (satdCccmSortedCost[i] >= 1.15 * bestCccmCost)
        {
          break;
        }
        isCccmModeEnabledInRdo[satdCccmModeList[i]] = true;
      }

      pu.cccmFlag = 0;
#endif
#endif

#if MMLM
      m_encPreRDRun = false;
#endif
      // sort the mode based on the cost from small to large.
      int tempIdx = 0;
      int64_t tempCost = 0;
      for (int i = uiMinMode; i <= uiMaxMode - 1; i++)
      {
        for (int j = i + 1; j <= uiMaxMode - 1; j++)
        {
          if (satdSortedCost[j] < satdSortedCost[i])
          {
            tempIdx = satdModeList[i];
            satdModeList[i] = satdModeList[j];
            satdModeList[j] = tempIdx;

            tempCost = satdSortedCost[i];
            satdSortedCost[i] = satdSortedCost[j];
            satdSortedCost[j] = tempCost;

          }
        }
      }
      int reducedModeNumber = 2; // reduce the number of chroma modes
#if MMLM
      reducedModeNumber += 3;    // Match number of RDs with the anchor
#endif
      for (int i = 0; i < reducedModeNumber; i++)
      {
        modeIsEnable[satdModeList[uiMaxMode - 1 - i]] = 0; // disable the last reducedModeNumber modes
      }
#if JVET_AC0147_CCCM_NO_SUBSAMPLING
      if (pu.cu->slice->getSPS()->getUseCccm() == 2)
      {
#if JVET_AC0054_GLCCCM
#if JVET_AD0202_CCCM_MDF
        int32_t lastModeIdx = uiMaxMode - 1 - reducedModeNumber; ;
        if (satdSortedCost[lastModeIdx] > bestCccmCost[0])
#else
        if (satdSortedCost[uiMaxMode - 1 - reducedModeNumber] > bestCccmCost[0] && satdCccmFlagList[uiMaxMode - 1 - reducedModeNumber] != 2)
#endif
#else
        if (satdSortedCost[uiMaxMode - 1 - reducedModeNumber] > bestCccmCost[0])
#endif
#if JVET_AD0202_CCCM_MDF
        {
          modeIsEnable[satdModeList[lastModeIdx]] = 0; // disable the last reducedModeNumber modes
        }
        else if (satdSortedCost[lastModeIdx] < bestCccmCost[0])
        {
          for (int i = 6; i > 0; i--)
#else
        {
          modeIsEnable[satdModeList[uiMaxMode - 1 - reducedModeNumber]] = 0; // disable the last reducedModeNumber modes
        }
        else if (satdSortedCost[uiMaxMode - 1 - reducedModeNumber] < bestCccmCost[0])
        {
          for (int i = 3; i > 0; i--)
#endif
          {
#if JVET_AC0054_GLCCCM
#if JVET_AD0202_CCCM_MDF
            if ((satdCccmSortedCost[0][i] > satdSortedCost[lastModeIdx]) && isCccmWithMulDownSamplingEnabledInRdo[satdCccmModeList[0][i]][satdCccmFilterIndex[i]])
#else
            if ((satdCccmSortedCost[0][i] > satdSortedCost[uiMaxMode - 1 - reducedModeNumber]) && (isCccmModeEnabledInRdo[0][satdCccmModeList[0][i]]) && satdCccmFlagList[uiMaxMode - 1 - reducedModeNumber] != 2)
#endif
#else
            if ((satdCccmSortedCost[0][i] > satdSortedCost[uiMaxMode - 1 - reducedModeNumber]) && (isCccmModeEnabledInRdo[0][satdCccmModeList[0][i]]))
#endif
            {
#if JVET_AD0202_CCCM_MDF
              isCccmWithMulDownSamplingEnabledInRdo[satdCccmModeList[0][i]][satdCccmFilterIndex[i]] = false;
#else
              isCccmModeEnabledInRdo[0][satdCccmModeList[0][i]] = false;
#endif
              break;
            }
          }
        }
#if JVET_AD0202_CCCM_MDF
        if (satdSortedCost[lastModeIdx] < bestCccmCost[1])
        {
          if ((satdCccmSortedCost[1][1] > satdSortedCost[lastModeIdx]) && (isCccmModeEnabledInRdo[1][satdCccmModeList[1][1]]))
#else
        if (satdSortedCost[uiMaxMode - 1 - reducedModeNumber] < bestCccmCost[1])
        {
          if ((satdCccmSortedCost[1][1] > satdSortedCost[uiMaxMode - 1 - reducedModeNumber]) && (isCccmModeEnabledInRdo[1][satdCccmModeList[1][1]]))
#endif
          {
            isCccmModeEnabledInRdo[1][satdCccmModeList[1][1]] = false;
          }
        }
      }
#endif

      // save the dist
      Distortion baseDist = cs.dist;
      bool testBDPCM = true;
      testBDPCM = testBDPCM && CU::bdpcmAllowed(cu, COMPONENT_Cb) && cu.ispMode == 0 && cu.mtsFlag == 0 && cu.lfnstIdx == 0;
#if JVET_Z0050_DIMD_CHROMA_FUSION
      double dBestNonLmCost = MAX_DOUBLE;
#if JVET_AC0119_LM_CHROMA_FUSION
      int bestNonLmMode = -1;
#else
#if ENABLE_DIMD
      int bestNonLmMode = (cu.slice->getSPS()->getUseDimd()) ? DIMD_CHROMA_IDX : DM_CHROMA_IDX;
#else
      int bestNonLmMode = DM_CHROMA_IDX;
#endif
#endif
#endif
#if JVET_AC0119_LM_CHROMA_FUSION
      int secondNonLmMode = -1;
      double dSecondNonLmCost = MAX_DOUBLE;
      PelUnitBuf predStorage[2], fusionStorage[6];
      const UnitArea localArea(cs.area.chromaFormat, Area(0, 0, (pu.Cb().width) << 1, (pu.Cb().height) << 1));
      for (uint32_t i = 0; i < 2; i++)
      {
        predStorage[i] = m_predStorage[i].getBuf(localArea);
      }
      for (uint32_t i = 0; i < 6; i++)
      {
        fusionStorage[i] = m_fusionStorage[i].getBuf(localArea);
      }
#endif
      for (int32_t uiMode = uiMinMode - (2 * int(testBDPCM)); uiMode < uiMaxMode; uiMode++)
      {
        int chromaIntraMode;

        if (uiMode < 0)
        {
            cu.bdpcmModeChroma = -uiMode;
            chromaIntraMode = cu.bdpcmModeChroma == 2 ? chromaCandModes[1] : chromaCandModes[2];
        }
        else
        {
          chromaIntraMode = chromaCandModes[uiMode];

          cu.bdpcmModeChroma = 0;
          if( PU::isLMCMode( chromaIntraMode ) && ! PU::isLMCModeEnabled( pu, chromaIntraMode ) )
          {
            continue;
          }
          if (!modeIsEnable[chromaIntraMode] && PU::isLMCModeEnabled(pu, chromaIntraMode)) // when CCLM is disable, then MDLM is disable. not use satd checking
          {
            continue;
          }
#if JVET_Z0050_DIMD_CHROMA_FUSION && ENABLE_DIMD
          if (chromaIntraMode == DIMD_CHROMA_IDX && !cu.slice->getSPS()->getUseDimd()) // when DIMD is disable, then DIMD_CHROMA is disable.
          {
            continue;
          }
#endif
#if JVET_AC0071_DBV
          if (chromaIntraMode == DBV_CHROMA_IDX && !PU::hasChromaBvFlag(pu))
          {
            continue;
          }
#endif
        }
        cs.setDecomp( pu.Cb(), false );
        cs.dist = baseDist;
        //----- restore context models -----
        m_CABACEstimator->getCtx() = ctxStart;

        //----- chroma coding -----
        pu.intraDir[1] = chromaIntraMode;

        xRecurIntraChromaCodingQT( cs, partitioner, bestCostSoFar, ispType 
#if JVET_AD0208_IBC_ADAPT_FOR_CAM_CAPTURED_CONTENTS && (JVET_AB0143_CCCM_TS || JVET_AC0119_LM_CHROMA_FUSION)
                                  , UnitBuf<Pel>()
#endif
#if JVET_AD0208_IBC_ADAPT_FOR_CAM_CAPTURED_CONTENTS
                                  , pcInterPred
#endif
        );
        if( lumaUsesISP && cs.dist == MAX_UINT )
        {
          continue;
        }

        if (cs.sps->getTransformSkipEnabledFlag())
        {
          m_CABACEstimator->getCtx() = ctxStart;
        }

        uint64_t fracBits   = xGetIntraFracBitsQT( cs, partitioner, false, true, -1, ispType );
        Distortion uiDist = cs.dist;
        double    dCost   = m_pcRdCost->calcRdCost( fracBits, uiDist - baseDist );

        //----- compare -----
        if( dCost < dBestCost )
        {
          if( lumaUsesISP && dCost < bestCostSoFar )
          {
            bestCostSoFar = dCost;
          }
          for( uint32_t i = getFirstComponentOfChannel( CHANNEL_TYPE_CHROMA ); i < numberValidComponents; i++ )
          {
            const CompArea &area = pu.blocks[i];

            saveCS.getRecoBuf     ( area ).copyFrom( cs.getRecoBuf   ( area ) );
#if KEEP_PRED_AND_RESI_SIGNALS
            saveCS.getPredBuf     ( area ).copyFrom( cs.getPredBuf   ( area ) );
            saveCS.getResiBuf     ( area ).copyFrom( cs.getResiBuf   ( area ) );
#endif
            saveCS.getPredBuf     ( area ).copyFrom( cs.getPredBuf   (area ) );
            cs.picture->getPredBuf( area ).copyFrom( cs.getPredBuf   (area ) );
#if JVET_Z0118_GDR
            cs.updateReconMotIPM(area);
#else
            cs.picture->getRecoBuf( area ).copyFrom( cs.getRecoBuf( area ) );
#endif

            for( uint32_t j = 0; j < saveCS.tus.size(); j++ )
            {
              saveCS.tus[j]->copyComponentFrom( *orgTUs[j], area.compID );
            }
          }

          dBestCost  = dCost;
          uiBestDist = uiDist;
          uiBestMode = chromaIntraMode;
          bestBDPCMMode = cu.bdpcmModeChroma;
        }
#if JVET_Z0050_DIMD_CHROMA_FUSION
#if JVET_AC0119_LM_CHROMA_FUSION
        bool findBestNonLm = !PU::isLMCMode(chromaIntraMode) && !cu.bdpcmModeChroma && PU::hasChromaFusionFlag(pu, chromaIntraMode);
#else
        bool findBestNonLm = !PU::isLMCMode(chromaIntraMode) && !cu.bdpcmModeChroma && pu.cs->slice->isIntra();
#endif
        if (findBestNonLm && dCost < dBestNonLmCost)
        {
#if JVET_AC0119_LM_CHROMA_FUSION
          predStorage[1].Cb().copyFrom(predStorage[0].Cb());
          predStorage[1].Cr().copyFrom(predStorage[0].Cr());
          secondNonLmMode = bestNonLmMode;
          dSecondNonLmCost = dBestNonLmCost;

          predStorage[0].Cb().copyFrom(cs.getPredBuf(pu.Cb()));
          predStorage[0].Cr().copyFrom(cs.getPredBuf(pu.Cr()));
#endif
          bestNonLmMode = chromaIntraMode;
          dBestNonLmCost = dCost;
        }
#if JVET_AC0119_LM_CHROMA_FUSION
        else if (findBestNonLm && dCost < dSecondNonLmCost)
        {
          predStorage[1].Cb().copyFrom(cs.getPredBuf(pu.Cb()));
          predStorage[1].Cr().copyFrom(cs.getPredBuf(pu.Cr()));
          secondNonLmMode = chromaIntraMode;