diff --git a/source/Lib/CommonLib/CodingStructure.cpp b/source/Lib/CommonLib/CodingStructure.cpp
index 66d38f1c5843aae5a83064a2a22b036de0cb5506..e9ec9b9972bf1dad25b84fc675541eb42d780b0c 100644
--- a/source/Lib/CommonLib/CodingStructure.cpp
+++ b/source/Lib/CommonLib/CodingStructure.cpp
@@ -73,8 +73,8 @@ CodingStructure::CodingStructure(CUCache& cuCache, PUCache& puCache, TUCache& tu
     m_coeffs[ i ] = nullptr;
     m_pcmbuf[ i ] = nullptr;
 #if JVET_O0119_BASE_PALETTE_444
-  m_runType[i] = nullptr;
-  m_runLength[i] = nullptr;
+    m_runType[i] = nullptr;
+    m_runLength[i] = nullptr;
 #endif
 
     m_offsets[ i ] = 0;
diff --git a/source/Lib/CommonLib/IntraPrediction.cpp b/source/Lib/CommonLib/IntraPrediction.cpp
index 552177d8fe43cef661989ab80baa8d31debe55b6..d15ead02820ef11175094240dd61c819a0967d69 100644
--- a/source/Lib/CommonLib/IntraPrediction.cpp
+++ b/source/Lib/CommonLib/IntraPrediction.cpp
@@ -1937,75 +1937,75 @@ void IntraPrediction::predIntraMip( const ComponentID compId, PelBuf &piPred, co
 }
 
 #if JVET_O0119_BASE_PALETTE_444
-bool IntraPrediction::calCopyRun(CodingStructure &cs, Partitioner& partitioner, uint32_t uiStartPos, uint32_t uiTotal, uint32_t &uiRun, ComponentID compBegin)
+bool IntraPrediction::calCopyRun(CodingStructure &cs, Partitioner& partitioner, uint32_t startPos, uint32_t total, uint32_t &run, ComponentID compBegin)
 {
-  CodingUnit &cu = *cs.getCU(partitioner.chType);
+  CodingUnit    &cu = *cs.getCU(partitioner.chType);
   TransformUnit &tu = *cs.getTU(partitioner.chType);
-  PelBuf curPLTIdx = tu.getcurPLTIdx(compBegin);
-  PLTtypeBuf runType = tu.getrunType(compBegin);
+  PelBuf     curPLTIdx = tu.getcurPLTIdx(compBegin);
+  PLTtypeBuf runType   = tu.getrunType(compBegin);
 
-  uint32_t uiIdx = uiStartPos;
-  uint32_t uiX;
-  uint32_t uiY;
+  uint32_t idx = startPos;
+  uint32_t xPos;
+  uint32_t yPos;
   bool valid = false;
-  uiRun = 0;
-  while (uiIdx < uiTotal)
+  run = 0;
+  while (idx < total)
   {
-    uiX = m_puiScanOrder[uiIdx].x;
-    uiY = m_puiScanOrder[uiIdx].y;
-    runType.at(uiX, uiY) = PLT_RUN_COPY;
+    xPos = m_puiScanOrder[idx].x;
+    yPos = m_puiScanOrder[idx].y;
+    runType.at(xPos, yPos) = PLT_RUN_COPY;
 
-    if (uiY == 0 && !cu.useRotation[compBegin])
+    if (yPos == 0 && !cu.useRotation[compBegin])
     {
       return false;
     }
-    if (uiX == 0 && cu.useRotation[compBegin])
+    if (xPos == 0 && cu.useRotation[compBegin])
     {
       return false;
     }
-    if (!cu.useRotation[compBegin] && curPLTIdx.at(uiX, uiY) == curPLTIdx.at(uiX, uiY - 1))
+    if (!cu.useRotation[compBegin] && curPLTIdx.at(xPos, yPos) == curPLTIdx.at(xPos, yPos - 1))
     {
-      uiRun++;
+      run++;
       valid = true;
     }
-    else if (cu.useRotation[compBegin] && curPLTIdx.at(uiX, uiY) == curPLTIdx.at(uiX - 1, uiY))
+    else if (cu.useRotation[compBegin] && curPLTIdx.at(xPos, yPos) == curPLTIdx.at(xPos - 1, yPos))
     {
-      uiRun++;
+      run++;
       valid = true;
     }
     else
     {
       break;
     }
-    uiIdx++;
+    idx++;
   }
   return valid;
 }
-bool IntraPrediction::calIndexRun(CodingStructure &cs, Partitioner& partitioner, uint32_t uiStartPos, uint32_t uiTotal, uint32_t &uiRun, ComponentID compBegin)
+bool IntraPrediction::calIndexRun(CodingStructure &cs, Partitioner& partitioner, uint32_t startPos, uint32_t total, uint32_t &run, ComponentID compBegin)
 {
   TransformUnit &tu = *cs.getTU(partitioner.chType);
-  PelBuf curPLTIdx = tu.getcurPLTIdx(compBegin);
-  PLTtypeBuf runType = tu.getrunType(compBegin);
+  PelBuf     curPLTIdx = tu.getcurPLTIdx(compBegin);
+  PLTtypeBuf runType   = tu.getrunType(compBegin);
 
-  uiRun = 1;
-  uint32_t uiIdx = uiStartPos;
-  while (uiIdx < uiTotal)
+  run = 1;
+  uint32_t idx = startPos;
+  while (idx < total)
   {
-    uint32_t uiX = m_puiScanOrder[uiIdx].x;
-    uint32_t uiY = m_puiScanOrder[uiIdx].y;
-    runType.at(uiX, uiY) = PLT_RUN_INDEX;
+    uint32_t xPos = m_puiScanOrder[idx].x;
+    uint32_t yPos = m_puiScanOrder[idx].y;
+    runType.at(xPos, yPos) = PLT_RUN_INDEX;
 
-    uint32_t uiXprev = uiIdx == 0 ? 0 : m_puiScanOrder[uiIdx - 1].x;
-    uint32_t uiYprev = uiIdx == 0 ? 0 : m_puiScanOrder[uiIdx - 1].y;
-    if (uiIdx > uiStartPos && curPLTIdx.at(uiX, uiY) == curPLTIdx.at(uiXprev, uiYprev))
+    uint32_t xPrev = idx == 0 ? 0 : m_puiScanOrder[idx - 1].x;
+    uint32_t yPrev = idx == 0 ? 0 : m_puiScanOrder[idx - 1].y;
+    if (idx > startPos && curPLTIdx.at(xPos, yPos) == curPLTIdx.at(xPrev, yPrev))
     {
-      uiRun++;
+      run++;
     }
-    else if (uiIdx > uiStartPos)
+    else if (idx > startPos)
     {
       break;
     }
-    uiIdx++;
+    idx++;
   }
   return true;
 }
@@ -2014,7 +2014,7 @@ void IntraPrediction::reorderPLT(CodingStructure& cs, Partitioner& partitioner,
   CodingUnit &cu = *cs.getCU(partitioner.chType);
 
   uint32_t       reusePLTSizetmp = 0;
-  uint32_t       PLTSizetmp = 0;
+  uint32_t       pltSizetmp = 0;
   Pel            curPLTtmp[MAX_NUM_COMPONENT][MAXPLTSIZE];
   bool           curPLTpred[MAXPLTPREDSIZE];
 
@@ -2056,7 +2056,7 @@ void IntraPrediction::reorderPLT(CodingStructure& cs, Partitioner& partitioner,
         curPLTtmp[comp][reusePLTSizetmp] = cs.prevPLT.curPLT[comp][predidx];
       }
       reusePLTSizetmp++;
-      PLTSizetmp++;
+      pltSizetmp++;
     }
   }
   cu.reusePLTSize[compBegin] = reusePLTSizetmp;
@@ -2066,12 +2066,12 @@ void IntraPrediction::reorderPLT(CodingStructure& cs, Partitioner& partitioner,
     {
       for (int comp = compBegin; comp < (compBegin + numComp); comp++)
       {
-        curPLTtmp[comp][PLTSizetmp] = cu.curPLT[comp][curidx];
+        curPLTtmp[comp][pltSizetmp] = cu.curPLT[comp][curidx];
       }
-      PLTSizetmp++;
+      pltSizetmp++;
     }
   }
-  assert(PLTSizetmp == cu.curPLTSize[compBegin]);
+  assert(pltSizetmp == cu.curPLTSize[compBegin]);
   for (int curidx = 0; curidx < cu.curPLTSize[compBegin]; curidx++)
   {
     for (int comp = compBegin; comp < (compBegin + numComp); comp++)
diff --git a/source/Lib/CommonLib/IntraPrediction.h b/source/Lib/CommonLib/IntraPrediction.h
index feb2bd7c071f7693c1dbd1af5de694ac81c3970d..d7e1978d7bb4e1cbda74fceab9cc3589d2457257 100644
--- a/source/Lib/CommonLib/IntraPrediction.h
+++ b/source/Lib/CommonLib/IntraPrediction.h
@@ -176,8 +176,8 @@ public:
   void geneIntrainterPred         (const CodingUnit &cu);
 #if JVET_O0119_BASE_PALETTE_444
   void reorderPLT(CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp);
-  bool calCopyRun(CodingStructure &cs, Partitioner& partitioner, uint32_t uiStartPos, uint32_t uiTotal, uint32_t &uiRun, ComponentID compBegin);
-  bool calIndexRun(CodingStructure &cs, Partitioner& partitioner, uint32_t uiStartPos, uint32_t uiTotal, uint32_t &uiRun, ComponentID compBegin);
+  bool calCopyRun(CodingStructure &cs, Partitioner& partitioner, uint32_t startPos, uint32_t total, uint32_t &run, ComponentID compBegin);
+  bool calIndexRun(CodingStructure &cs, Partitioner& partitioner, uint32_t startPos, uint32_t total, uint32_t &run, ComponentID compBegin);
 #endif
 };
 
diff --git a/source/Lib/CommonLib/Rom.cpp b/source/Lib/CommonLib/Rom.cpp
index ac17188e2390b599721356a8e36933c1f88b598a..f6299e04c0095753b5724d69b39b005819f237b9 100644
--- a/source/Lib/CommonLib/Rom.cpp
+++ b/source/Lib/CommonLib/Rom.cpp
@@ -831,15 +831,15 @@ static void g_initMsbP1IdxLut()
   }
 }
 
-uint8_t g_getMsbP1Idx(uint32_t uiVal)
+uint8_t g_getMsbP1Idx(uint32_t val)
 {
   uint8_t idx = 0;
-  while (uiVal > 255)
+  while (val > 255)
   {
-    uiVal >>= 8;
+    val >>= 8;
     idx += 8;
   }
-  return idx + g_ucMsbP1Idx[uiVal];
+  return idx + g_ucMsbP1Idx[val];
 }
 #endif
 //! \}
diff --git a/source/Lib/CommonLib/Rom.h b/source/Lib/CommonLib/Rom.h
index a11618016ebc0347d7d136db2e9cbe63b078706c..d954a306f4386abad6aee5fcf33f4d0ccf861f5b 100644
--- a/source/Lib/CommonLib/Rom.h
+++ b/source/Lib/CommonLib/Rom.h
@@ -238,7 +238,7 @@ extern const uint8_t g_uhPLTQuant[52];
 extern uint8_t g_ucRunTopLut[5];
 extern uint8_t g_ucRunLeftLut[5];
 extern uint8_t g_ucMsbP1Idx[256];
-extern uint8_t g_getMsbP1Idx(uint32_t uiVal);
+extern uint8_t g_getMsbP1Idx(uint32_t val);
 #endif
 
 #endif  //__TCOMROM__
diff --git a/source/Lib/CommonLib/TypeDef.h b/source/Lib/CommonLib/TypeDef.h
index f7c36ded209126ecc06364137cd26225d01f16e0..2e7b6a714f0479edd460e05c65e9d84c0f8bac29 100644
--- a/source/Lib/CommonLib/TypeDef.h
+++ b/source/Lib/CommonLib/TypeDef.h
@@ -51,7 +51,6 @@
 #include <cassert>
 
 #define JVET_O0119_BASE_PALETTE_444                       1 // JVET-O0119: Palette mode in HEVC and palette mode signaling in JVET-N0258. Only enabled for YUV444.    
-#define FIXJC                                             1
 
 #define JVET_O1136_TS_BDPCM_SIGNALLING                    1 // JVET-O1136: Unified syntax for JVET-O0165/O0200/O0783 on TS and BDPCM signalling
 
diff --git a/source/Lib/DecoderLib/CABACReader.cpp b/source/Lib/DecoderLib/CABACReader.cpp
index 763a3483f02a03d3991d811ab39287d464529b63..bd9c23bc7cd074e80ee1b2cd878894acfd5e4913 100644
--- a/source/Lib/DecoderLib/CABACReader.cpp
+++ b/source/Lib/DecoderLib/CABACReader.cpp
@@ -1601,7 +1601,7 @@ bool CABACReader::end_of_ctu( CodingUnit& cu, CUCtx& cuCtx )
 #if JVET_O0119_BASE_PALETTE_444
 void CABACReader::cu_palette_info(CodingUnit& cu, ComponentID compBegin, uint32_t numComp, CUCtx& cuCtx)
 {
-  const SPS&        sps = *(cu.cs->sps);
+  const SPS&      sps = *(cu.cs->sps);
   TransformUnit&   tu = *cu.firstTU;
   int curPLTidx = 0;
 
@@ -1644,39 +1644,39 @@ void CABACReader::cu_palette_info(CodingUnit& cu, ComponentID compBegin, uint32_
   cu.useEscape[compBegin] = true; // JC 
   if (cu.curPLTSize[compBegin] > 0)
   {
-    uint32_t uiCode = 0;
-    uiCode = m_BinDecoder.decodeBinEP();
-    cu.useEscape[compBegin] = (uiCode != 0);
+    uint32_t escCode = 0;
+    escCode = m_BinDecoder.decodeBinEP();
+    cu.useEscape[compBegin] = (escCode != 0);
   }
-  uint32_t indexMaxSize = cu.useEscape[compBegin] ? (cu.curPLTSize[compBegin] + 1) : cu.curPLTSize[compBegin];
+  uint32_t    indexMaxSize = cu.useEscape[compBegin] ? (cu.curPLTSize[compBegin] + 1) : cu.curPLTSize[compBegin];
   //encode index map
-  PLTtypeBuf    runType = tu.getrunType(compBegin);
-  PelBuf    runLength = tu.getrunLength(compBegin);
-  PelBuf    curPLTIdx = tu.getcurPLTIdx(compBegin);
-  uint32_t  uiHeight = cu.block(compBegin).height;
-  uint32_t  uiWidth = cu.block(compBegin).width;
-
-  int iNumCopyIndexRuns = -1;
-  bool lastRunType = 0;
-  uint32_t uiNumIndices = 0;
-  uint32_t uiAdjust = 0;
-  uint32_t symbol = 0;
-  std::list<int> lParsedIdxList;
+  PLTtypeBuf  runType = tu.getrunType(compBegin);
+  PelBuf      runLength = tu.getrunLength(compBegin);
+  PelBuf      curPLTIdx = tu.getcurPLTIdx(compBegin);
+  uint32_t    height = cu.block(compBegin).height;
+  uint32_t    width = cu.block(compBegin).width;
+
+  int       numCopyIndexRuns = -1;
+  bool      lastRunType = 0;
+  uint32_t  numIndices = 0;
+  uint32_t  adjust = 0;
+  uint32_t  symbol = 0;
+  std::list<int> parsedIdxList;
   if (indexMaxSize > 1)
   {
     uint32_t currParam = 3 + ((indexMaxSize) >> 3);
-    uiNumIndices = m_BinDecoder.decodeRemAbsEP(currParam, false, MAX_NUM_CHANNEL_TYPE); // JC: number of indices (INDEX RUN)
-    uiNumIndices++;
-    iNumCopyIndexRuns = uiNumIndices;
-    while (uiNumIndices--)
+    numIndices = m_BinDecoder.decodeRemAbsEP(currParam, false, MAX_NUM_CHANNEL_TYPE); // JC: number of indices (INDEX RUN)
+    numIndices++;
+    numCopyIndexRuns = numIndices;
+    while (numIndices--)
     {
-      xReadTruncBinCode(symbol, indexMaxSize - uiAdjust);
-      uiAdjust = 1;
-      lParsedIdxList.push_back(symbol);
+      xReadTruncBinCode(symbol, indexMaxSize - adjust);
+      adjust = 1;
+      parsedIdxList.push_back(symbol);
     }
     lastRunType = m_BinDecoder.decodeBin(Ctx::RunTypeFlag());
     parseScanRotationModeFlag(cu, compBegin);
-    uiAdjust = 0;
+    adjust = 0;
   }
   else
   {
@@ -1706,9 +1706,9 @@ void CABACReader::cu_palette_info(CodingUnit& cu, ComponentID compBegin, uint32_
   }
 
 
-  m_puiScanOrder = g_scanOrder[SCAN_UNGROUPED][(cu.useRotation[compBegin]) ? SCAN_TRAV_VER : SCAN_TRAV_HOR][gp_sizeIdxInfo->idxFrom(uiWidth)][gp_sizeIdxInfo->idxFrom(uiHeight)];
+  m_puiScanOrder = g_scanOrder[SCAN_UNGROUPED][(cu.useRotation[compBegin]) ? SCAN_TRAV_VER : SCAN_TRAV_HOR][gp_sizeIdxInfo->idxFrom(width)][gp_sizeIdxInfo->idxFrom(height)];
   uint32_t strPos = 0;
-  uint32_t endPos = uiHeight * uiWidth;
+  uint32_t endPos = height * width;
   while (strPos < endPos)
   {
     uint32_t posy = m_puiScanOrder[strPos].y;
@@ -1728,13 +1728,13 @@ void CABACReader::cu_palette_info(CodingUnit& cu, ComponentID compBegin, uint32_
       }
       else
       {
-        if (iNumCopyIndexRuns && strPos < endPos - 1) // JC: if uiNumIndices (decoder will know this value) == 0 - > only CopyAbove, if strPos == endPos - 1, the last RunType was already coded
+        if (numCopyIndexRuns && strPos < endPos - 1) // JC: if numIndices (decoder will know this value) == 0 - > only CopyAbove, if strPos == endPos - 1, the last RunType was already coded
         {
           runType.at(posx, posy) = (m_BinDecoder.decodeBin(Ctx::RunTypeFlag()));
         }
         else
         {
-          if (strPos == endPos - 1 && iNumCopyIndexRuns)
+          if (strPos == endPos - 1 && numCopyIndexRuns)
           {
             runType.at(posx, posy) = PLT_RUN_INDEX;
           }
@@ -1750,29 +1750,29 @@ void CABACReader::cu_palette_info(CodingUnit& cu, ComponentID compBegin, uint32_
       runType.at(posx, posy) = PLT_RUN_INDEX;
     }
 
-    Pel siCurLevel = 0;
+    Pel curLevel = 0;
     if (runType.at(posx, posy) == PLT_RUN_INDEX)
     {
-      if (!lParsedIdxList.empty())
+      if (!parsedIdxList.empty())
       {
-        siCurLevel = lParsedIdxList.front();
-        lParsedIdxList.pop_front();
+        curLevel = parsedIdxList.front();
+        parsedIdxList.pop_front();
       }
       else
       {
-        siCurLevel = 0;
+        curLevel = 0;
       }
-      xAdjustPLTIndex(cu, siCurLevel, strPos, curPLTIdx, runType, indexMaxSize, compBegin);
+      xAdjustPLTIndex(cu, curLevel, strPos, curPLTIdx, runType, indexMaxSize, compBegin);
     }
 
     if (indexMaxSize > 1)
     {
-      bool bLastRun;
-      iNumCopyIndexRuns -= (runType.at(posx, posy) == PLT_RUN_INDEX);
-      bLastRun = iNumCopyIndexRuns == 0 && runType.at(posx, posy) == lastRunType;
-      if (!bLastRun)
+      bool lastRun;
+      numCopyIndexRuns -= (runType.at(posx, posy) == PLT_RUN_INDEX);
+      lastRun = numCopyIndexRuns == 0 && runType.at(posx, posy) == lastRunType;
+      if (!lastRun)
       {
-        runLength.at(posx, posy) = cu_run_val((PLTRunMode)runType.at(posx, posy), siCurLevel, endPos - strPos - iNumCopyIndexRuns - 1 - lastRunType) + 1;
+        runLength.at(posx, posy) = cu_run_val((PLTRunMode)runType.at(posx, posy), curLevel, endPos - strPos - numCopyIndexRuns - 1 - lastRunType) + 1;
       }
       else
       {
@@ -1788,31 +1788,31 @@ void CABACReader::cu_palette_info(CodingUnit& cu, ComponentID compBegin, uint32_
     //assign run information
     for (int runidx = 1; runidx < runLength.at(posx, posy); runidx++)
     {
-      int PosYrun, PosXrun;
-      PosYrun = m_puiScanOrder[strPos + runidx].y;
-      PosXrun = m_puiScanOrder[strPos + runidx].x;
-      runType.at(PosXrun, PosYrun) = runType.at(posx, posy);
-      runLength.at(PosXrun, PosYrun) = runLength.at(posx, posy);
+      int posYrun, posXrun;
+      posYrun = m_puiScanOrder[strPos + runidx].y;
+      posXrun = m_puiScanOrder[strPos + runidx].x;
+      runType.at(posXrun, posYrun) = runType.at(posx, posy);
+      runLength.at(posXrun, posYrun) = runLength.at(posx, posy);
     }
 
-    uint32_t PosYrun;
-    uint32_t PosXrun;
+    uint32_t posYrun;
+    uint32_t posXrun;
     if (runType.at(posx, posy) == PLT_RUN_INDEX)
     {
       for (uint32_t idx = 1; idx < runLength.at(posx, posy); idx++)
       {
-        PosYrun = m_puiScanOrder[strPos + idx].y;
-        PosXrun = m_puiScanOrder[strPos + idx].x;
-        curPLTIdx.at(PosXrun, PosYrun) = curPLTIdx.at(posx, posy);
+        posYrun = m_puiScanOrder[strPos + idx].y;
+        posXrun = m_puiScanOrder[strPos + idx].x;
+        curPLTIdx.at(posXrun, posYrun) = curPLTIdx.at(posx, posy);
       }
     }
     else if (runType.at(posx, posy) == PLT_RUN_COPY)
     {
       for (uint32_t idx = 0; idx < runLength.at(posx, posy); idx++)
       {
-        PosYrun = m_puiScanOrder[strPos + idx].y;
-        PosXrun = m_puiScanOrder[strPos + idx].x;
-        curPLTIdx.at(PosXrun, PosYrun) = (cu.useRotation[compBegin]) ? curPLTIdx.at(PosXrun - 1, PosYrun) : curPLTIdx.at(PosXrun, PosYrun - 1);
+        posYrun = m_puiScanOrder[strPos + idx].y;
+        posXrun = m_puiScanOrder[strPos + idx].x;
+        curPLTIdx.at(posXrun, posYrun) = (cu.useRotation[compBegin]) ? curPLTIdx.at(posXrun - 1, posYrun) : curPLTIdx.at(posXrun, posYrun - 1);
       }
     }
     strPos += (runLength.at(posx, posy));
@@ -1854,39 +1854,39 @@ void CABACReader::parseScanRotationModeFlag(CodingUnit& cu, ComponentID compBegi
 {
   cu.useRotation[compBegin] = m_BinDecoder.decodeBin(Ctx::RotationFlag());
 }
-void CABACReader::xDecodePLTPredIndicator(CodingUnit& cu, uint32_t uiMaxPLTSize, ComponentID compBegin)
+void CABACReader::xDecodePLTPredIndicator(CodingUnit& cu, uint32_t maxPLTSize, ComponentID compBegin)
 {
-  uint32_t uiSymbol, uiNumPLTPredicted = 0, idx = 0;
+  uint32_t symbol, numPltPredicted = 0, idx = 0;
 
-  uiSymbol = exp_golomb_eqprob(0);
+  symbol = exp_golomb_eqprob(0);
 
-  if (uiSymbol != 1)
+  if (symbol != 1)
   {
-    while (idx < cu.lastPLTSize[compBegin] && uiNumPLTPredicted < uiMaxPLTSize)
+    while (idx < cu.lastPLTSize[compBegin] && numPltPredicted < maxPLTSize)
     {
       if (idx > 0)
       {
-        uiSymbol = exp_golomb_eqprob(0);
+        symbol = exp_golomb_eqprob(0);
       }
-      if (uiSymbol == 1)
+      if (symbol == 1)
       {
         break;
       }
 
-      if (uiSymbol)
+      if (symbol)
       {
-        idx += uiSymbol - 1;
+        idx += symbol - 1;
       }
       cu.reuseflag[compBegin][idx] = 1;
-      uiNumPLTPredicted++;
+      numPltPredicted++;
       idx++;
     }
   }
 }
-void CABACReader::xAdjustPLTIndex(CodingUnit& cu, Pel siCurLevel, uint32_t idx, PelBuf& paletteIdx, PLTtypeBuf& paletteRunType, int maxSymbol, ComponentID compBegin)
+void CABACReader::xAdjustPLTIndex(CodingUnit& cu, Pel curLevel, uint32_t idx, PelBuf& paletteIdx, PLTtypeBuf& paletteRunType, int maxSymbol, ComponentID compBegin)
 {
-  uint32_t uiSymbol;
-  int iRefLevel = MAX_INT;
+  uint32_t symbol;
+  int refLevel = MAX_INT;
   uint32_t posy = m_puiScanOrder[idx].y;
   uint32_t posx = m_puiScanOrder[idx].x;
   if (idx)
@@ -1895,10 +1895,10 @@ void CABACReader::xAdjustPLTIndex(CodingUnit& cu, Pel siCurLevel, uint32_t idx,
     uint32_t prevposx = m_puiScanOrder[idx - 1].x;
     if (paletteRunType.at(prevposx, prevposy) == PLT_RUN_INDEX)
     {
-      iRefLevel = paletteIdx.at(prevposx, prevposy);
+      refLevel = paletteIdx.at(prevposx, prevposy);
       if (paletteIdx.at(prevposx, prevposy) == cu.curPLTSize[compBegin]) // escape
       {
-        iRefLevel = maxSymbol - 1;
+        refLevel = maxSymbol - 1;
       }
     }
     else
@@ -1906,97 +1906,97 @@ void CABACReader::xAdjustPLTIndex(CodingUnit& cu, Pel siCurLevel, uint32_t idx,
       if (cu.useRotation[compBegin])
       {
         assert(prevposx > 0);
-        iRefLevel = paletteIdx.at(posx - 1, posy);
+        refLevel = paletteIdx.at(posx - 1, posy);
         if (paletteIdx.at(posx - 1, posy) == cu.curPLTSize[compBegin]) // escape mode
         {
-          iRefLevel = maxSymbol - 1;
+          refLevel = maxSymbol - 1;
         }
       }
       else
       {
         assert(prevposy > 0);
-        iRefLevel = paletteIdx.at(posx, posy - 1);
+        refLevel = paletteIdx.at(posx, posy - 1);
         if (paletteIdx.at(posx, posy - 1) == cu.curPLTSize[compBegin]) // escape mode
         {
-          iRefLevel = maxSymbol - 1;
+          refLevel = maxSymbol - 1;
         }
       }
     }
     maxSymbol--;
   }
-  uiSymbol = siCurLevel;
-  if (siCurLevel >= iRefLevel) // include escape mode 
+  symbol = curLevel;
+  if (curLevel >= refLevel) // include escape mode 
   {
-    uiSymbol++;
+    symbol++;
   }
-  paletteIdx.at(posx, posy) = uiSymbol;
+  paletteIdx.at(posx, posy) = symbol;
 }
-uint32_t  CABACReader::cu_run_val(PLTRunMode runtype, const uint32_t uiPltIdx, const uint32_t uiMaxRun)
+uint32_t  CABACReader::cu_run_val(PLTRunMode runtype, const uint32_t paletteIdx, const uint32_t maxRun)
 {
-  uint32_t ruiSymbol = 0;
+  uint32_t symbol = 0;
   if (runtype == PLT_RUN_COPY)
   {
   }
   else
   {
-    g_ucRunLeftLut[0] = (uiPltIdx < PLT_RUN_MSB_IDX_CTX_T1 ? 0 : (uiPltIdx < PLT_RUN_MSB_IDX_CTX_T2 ? 1 : 2));
+    g_ucRunLeftLut[0] = (paletteIdx < PLT_RUN_MSB_IDX_CTX_T1 ? 0 : (paletteIdx < PLT_RUN_MSB_IDX_CTX_T2 ? 1 : 2));
   }
-  ruiSymbol = xReadTruncMsbP1RefinementBits(runtype, uiMaxRun, PLT_RUN_MSB_IDX_CABAC_BYPASS_THRE);
-  return ruiSymbol;
+  symbol = xReadTruncMsbP1RefinementBits(runtype, maxRun, PLT_RUN_MSB_IDX_CABAC_BYPASS_THRE);
+  return symbol;
 }
-uint32_t CABACReader::xReadTruncUnarySymbol(PLTRunMode runtype, uint32_t uiMax, uint32_t uiCtxT)
+uint32_t CABACReader::xReadTruncUnarySymbol(PLTRunMode runtype, uint32_t maxVal, uint32_t ctxT)
 {
-  if (uiMax == 0)
+  if (maxVal == 0)
     return 0;
 
-  uint8_t *ucCtxLut;
-  ucCtxLut = (runtype == PLT_RUN_INDEX) ? g_ucRunLeftLut : g_ucRunTopLut;
-  uint32_t uiBin, uiIdx = 0;
+  uint8_t *ctxLut;
+  ctxLut = (runtype == PLT_RUN_INDEX) ? g_ucRunLeftLut : g_ucRunTopLut;
+  uint32_t bin, idx = 0;
   do
   {
-    if (uiIdx > uiCtxT)
-      uiBin = m_BinDecoder.decodeBinEP();
+    if (idx > ctxT)
+      bin = m_BinDecoder.decodeBinEP();
     else
     {
-      uiBin = m_BinDecoder.decodeBin(
-        (uiIdx <= uiCtxT)
-        ? ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ucCtxLut[uiIdx]) : Ctx::CopyRunModel(ucCtxLut[uiIdx]))
-        : ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ucCtxLut[uiCtxT]) : Ctx::CopyRunModel(ucCtxLut[uiCtxT])));
-      //        uiIdx <= uiCtxT? pcSCModel[ucCtxLut[uiIdx]] : pcSCModel[ucCtxLut[uiCtxT]] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat) );
+      bin = m_BinDecoder.decodeBin(
+        (idx <= ctxT)
+        ? ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ctxLut[idx]) : Ctx::CopyRunModel(ctxLut[idx]))
+        : ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ctxLut[ctxT]) : Ctx::CopyRunModel(ctxLut[ctxT])));
+      //        idx <= ctxT? pcSCModel[ctxLut[idx]] : pcSCModel[ctxLut[ctxT]] RExt__DECODER_DEBUG_BIT_STATISTICS_PASS_OPT_ARG(whichStat) );
     }
-    uiIdx++;
-  } while (uiBin && uiIdx < uiMax);
+    idx++;
+  } while (bin && idx < maxVal);
 
-  return (uiBin && uiIdx == uiMax) ? uiMax : uiIdx - 1;
+  return (bin && idx == maxVal) ? maxVal : idx - 1;
 }
-uint32_t CABACReader::xReadTruncMsbP1RefinementBits(PLTRunMode runtype, uint32_t uiMax, uint32_t uiCtxT)
+uint32_t CABACReader::xReadTruncMsbP1RefinementBits(PLTRunMode runtype, uint32_t maxVal, uint32_t ctxT)
 {
-  if (uiMax == 0)
+  if (maxVal == 0)
   {
     return 0;
   }
-  uint32_t uiSymbol;
-  uint32_t uiMsbP1 = xReadTruncUnarySymbol(runtype, g_getMsbP1Idx(uiMax), uiCtxT);
-  if (uiMsbP1 > 1)
+  uint32_t symbol;
+  uint32_t msbP1 = xReadTruncUnarySymbol(runtype, g_getMsbP1Idx(maxVal), ctxT);
+  if (msbP1 > 1)
   {
-    uint32_t uiNumBins = g_getMsbP1Idx(uiMax);
-    if (uiMsbP1 < uiNumBins)
+    uint32_t numBins = g_getMsbP1Idx(maxVal);
+    if (msbP1 < numBins)
     {
-      uint32_t uiBits = uiMsbP1 - 1;
-      uiSymbol = m_BinDecoder.decodeBinsEP(uiBits);
-      uiSymbol |= (1 << uiBits);
+      uint32_t bits = msbP1 - 1;
+      symbol = m_BinDecoder.decodeBinsEP(bits);
+      symbol |= (1 << bits);
     }
     else
     {
-      uint32_t curValue = 1 << (uiNumBins - 1);
-      xReadTruncBinCode(uiSymbol, uiMax + 1 - curValue);
-      uiSymbol += curValue;
+      uint32_t curValue = 1 << (numBins - 1);
+      xReadTruncBinCode(symbol, maxVal + 1 - curValue);
+      symbol += curValue;
     }
   }
   else
-    uiSymbol = uiMsbP1;
+    symbol = msbP1;
 
-  return uiSymbol;
+  return symbol;
 }
 #endif
 
diff --git a/source/Lib/DecoderLib/CABACReader.h b/source/Lib/DecoderLib/CABACReader.h
index 75297999921d819b2842c0db1bb99c9ba0ca8083..4cd8e6ba8f17bbf5f1930b92dc90f5524d3117d2 100644
--- a/source/Lib/DecoderLib/CABACReader.h
+++ b/source/Lib/DecoderLib/CABACReader.h
@@ -176,11 +176,11 @@ private:
   void        xReadTruncBinCode(uint32_t& symbol, uint32_t maxSymbol);
 #if JVET_O0119_BASE_PALETTE_444
   void        parseScanRotationModeFlag ( CodingUnit& cu, ComponentID compBegin);
-  void        xDecodePLTPredIndicator   ( CodingUnit& cu, uint32_t uiMaxPLTSize, ComponentID compBegin);
-  void        xAdjustPLTIndex           ( CodingUnit& cu, Pel siCurLevel, uint32_t idx, PelBuf& paletteIdx, PLTtypeBuf& paletteRunType, int maxSymbol, ComponentID compBegin);
-  uint32_t    cu_run_val                ( PLTRunMode runtype, const uint32_t uiPltIdx, const uint32_t uiMaxRun);
-  uint32_t    xReadTruncUnarySymbol     ( PLTRunMode runtype, uint32_t uiMax, uint32_t uiCtxT);
-  uint32_t    xReadTruncMsbP1RefinementBits( PLTRunMode runtype, uint32_t uiMax, uint32_t uiCtxT);
+  void        xDecodePLTPredIndicator   ( CodingUnit& cu, uint32_t maxPLTSize, ComponentID compBegin);
+  void        xAdjustPLTIndex           ( CodingUnit& cu, Pel curLevel, uint32_t idx, PelBuf& paletteIdx, PLTtypeBuf& paletteRunType, int maxSymbol, ComponentID compBegin);
+  uint32_t    cu_run_val                ( PLTRunMode runtype, const uint32_t pltIdx, const uint32_t maxRun);
+  uint32_t    xReadTruncUnarySymbol     ( PLTRunMode runtype, uint32_t maxVal, uint32_t ctxT);
+  uint32_t    xReadTruncMsbP1RefinementBits( PLTRunMode runtype, uint32_t maxVal, uint32_t ctxT);
 #endif
 public:
   int         shareStateDec;
diff --git a/source/Lib/DecoderLib/DecCu.cpp b/source/Lib/DecoderLib/DecCu.cpp
index b87676c143454f6fd3239b539529e42f1351289f..2751459985d7e87b64d6b8bb4b751433c92f2292 100644
--- a/source/Lib/DecoderLib/DecCu.cpp
+++ b/source/Lib/DecoderLib/DecCu.cpp
@@ -402,67 +402,67 @@ void DecCu::xReconIntraQT( CodingUnit &cu )
 #if JVET_O0119_BASE_PALETTE_444
 void DecCu::xReconPLT(CodingUnit &cu, ComponentID compBegin, uint32_t numComp)
 {
-  const SPS&        sps = *(cu.cs->sps);
+  const SPS&       sps = *(cu.cs->sps);
   TransformUnit&   tu = *cu.firstTU;
   PelBuf    curPLTIdx = tu.getcurPLTIdx(compBegin);
 
-  uint32_t uiHeight = cu.block(compBegin).height;
-  uint32_t uiWidth = cu.block(compBegin).width;
+  uint32_t height = cu.block(compBegin).height;
+  uint32_t width = cu.block(compBegin).width;
 
   //recon. pixels
   uint32_t scaleX = getComponentScaleX(COMPONENT_Cb, sps.getChromaFormatIdc());
   uint32_t scaleY = getComponentScaleY(COMPONENT_Cb, sps.getChromaFormatIdc());
-  for (uint32_t uiY = 0; uiY < uiHeight; uiY++)
+  for (uint32_t y = 0; y < height; y++)
   {
-    for (uint32_t uiX = 0; uiX < uiWidth; uiX++)
+    for (uint32_t x = 0; x < width; x++)
     {
       for (uint32_t compID = compBegin; compID < (compBegin + numComp); compID++)
       {
         const int  channelBitDepth = cu.cs->sps->getBitDepth(toChannelType((ComponentID)compID));
         const CompArea &area = cu.blocks[compID];
 
-        PelBuf piPicReco = cu.cs->getRecoBuf(area);
-        PLTescapeBuf    escapeValue = tu.getescapeValue((ComponentID)compID);
-        if (curPLTIdx.at(uiX, uiY) == cu.curPLTSize[compBegin])
+        PelBuf       picReco   = cu.cs->getRecoBuf(area);
+        PLTescapeBuf escapeValue = tu.getescapeValue((ComponentID)compID);
+        if (curPLTIdx.at(x, y) == cu.curPLTSize[compBegin])
         {
-          Pel iValue;
+          Pel value;
           QpParam cQP(tu, (ComponentID)compID);
 
-          int iQP = cQP.Qp;
-          int iQPrem = iQP % 6;
-          int iQPper = iQP / 6;
+          int qp = cQP.Qp;
+          int qpRem = qp % 6;
+          int qpPer = qp / 6;
           if (compBegin != COMPONENT_Y || compID == COMPONENT_Y)
           {
-            int InvquantiserRightShift = IQUANT_SHIFT;
-            int iAdd = 1 << (InvquantiserRightShift - 1);
-            iValue = ((((escapeValue.at(uiX, uiY)*g_invQuantScales[0][iQPrem]) << iQPper) + iAdd) >> InvquantiserRightShift);
-            iValue = Pel(ClipBD<int>(iValue, channelBitDepth));
-            piPicReco.at(uiX, uiY) = iValue;
+            int invquantiserRightShift = IQUANT_SHIFT;
+            int add = 1 << (invquantiserRightShift - 1);
+            value = ((((escapeValue.at(x, y)*g_invQuantScales[0][qpRem]) << qpPer) + add) >> invquantiserRightShift);
+            value = Pel(ClipBD<int>(value, channelBitDepth));
+            picReco.at(x, y) = value;
           }
-          else if (compBegin == COMPONENT_Y && compID != COMPONENT_Y && uiY % (1 << scaleY) == 0 && uiX % (1 << scaleX) == 0)
+          else if (compBegin == COMPONENT_Y && compID != COMPONENT_Y && y % (1 << scaleY) == 0 && x % (1 << scaleX) == 0)
           {
-            uint32_t PosYC = uiY >> scaleY;
-            uint32_t PosXC = uiX >> scaleX;
-            int InvquantiserRightShift = IQUANT_SHIFT;
-            int iAdd = 1 << (InvquantiserRightShift - 1);
-            iValue = ((((escapeValue.at(PosXC, PosYC)*g_invQuantScales[0][iQPrem]) << iQPper) + iAdd) >> InvquantiserRightShift);
-            iValue = Pel(ClipBD<int>(iValue, channelBitDepth));
-            piPicReco.at(PosXC, PosYC) = iValue;
+            uint32_t posYC = y >> scaleY;
+            uint32_t posXC = x >> scaleX;
+            int invquantiserRightShift = IQUANT_SHIFT;
+            int add = 1 << (invquantiserRightShift - 1);
+            value = ((((escapeValue.at(posXC, posYC)*g_invQuantScales[0][qpRem]) << qpPer) + add) >> invquantiserRightShift);
+            value = Pel(ClipBD<int>(value, channelBitDepth));
+            picReco.at(posXC, posYC) = value;
 
           }
         }
         else
         {
-          uint32_t curIdx = curPLTIdx.at(uiX, uiY);
+          uint32_t curIdx = curPLTIdx.at(x, y);
           if (compBegin != COMPONENT_Y || compID == COMPONENT_Y)
           {
-            piPicReco.at(uiX, uiY) = cu.curPLT[compID][curIdx];
+            picReco.at(x, y) = cu.curPLT[compID][curIdx];
           }
-          else if (compBegin == COMPONENT_Y && compID != COMPONENT_Y && uiY % (1 << scaleY) == 0 && uiX % (1 << scaleX) == 0)
+          else if (compBegin == COMPONENT_Y && compID != COMPONENT_Y && y % (1 << scaleY) == 0 && x % (1 << scaleX) == 0)
           {
-            uint32_t PosYC = uiY >> scaleY;
-            uint32_t PosXC = uiX >> scaleX;
-            piPicReco.at(PosXC, PosYC) = cu.curPLT[compID][curIdx];
+            uint32_t posYC = y >> scaleY;
+            uint32_t posXC = x >> scaleX;
+            picReco.at(posXC, posYC) = cu.curPLT[compID][curIdx];
           }
         }
       }
@@ -471,8 +471,8 @@ void DecCu::xReconPLT(CodingUnit &cu, ComponentID compBegin, uint32_t numComp)
   for (uint32_t compID = compBegin; compID < (compBegin + numComp); compID++)
   {
     const CompArea &area = cu.blocks[compID];
-    PelBuf piPicReco = cu.cs->getRecoBuf(area);
-    cu.cs->picture->getRecoBuf(area).copyFrom(piPicReco);
+    PelBuf picReco = cu.cs->getRecoBuf(area);
+    cu.cs->picture->getRecoBuf(area).copyFrom(picReco);
     cu.cs->setDecomp(area);
   }
 }
diff --git a/source/Lib/EncoderLib/CABACWriter.cpp b/source/Lib/EncoderLib/CABACWriter.cpp
index c7fc14c06308532c57bffe2873343216337599fc..0aff88208aae6379a187ff66cc64436247c22767 100644
--- a/source/Lib/EncoderLib/CABACWriter.cpp
+++ b/source/Lib/EncoderLib/CABACWriter.cpp
@@ -1456,12 +1456,10 @@ void CABACWriter::end_of_ctu( const CodingUnit& cu, CUCtx& cuCtx )
 #if JVET_O0119_BASE_PALETTE_444
 void CABACWriter::cu_palette_info(const CodingUnit& cu, ComponentID compBegin, uint32_t numComp, CUCtx& cuCtx)
 {
-  const SPS&        sps = *(cu.cs->sps);
+  const SPS&       sps = *(cu.cs->sps);
   TransformUnit&   tu = *cu.firstTU;
-
   uint32_t indexMaxSize = cu.useEscape[compBegin] ? (cu.curPLTSize[compBegin] + 1) : cu.curPLTSize[compBegin];
 
-
   if (cu.lastPLTSize[compBegin])
   {
     xEncodePLTPredIndicator(cu, MAXPLTSIZE, compBegin);
@@ -1494,22 +1492,20 @@ void CABACWriter::cu_palette_info(const CodingUnit& cu, ComponentID compBegin, u
     m_BinEncoder.encodeBinEP(signalEscape);
   }
   //encode index map
-  PLTtypeBuf    runType = tu.getrunType(compBegin);
-  PelBuf    runLength = tu.getrunLength(compBegin);
-  PelBuf    curPLTIdx = tu.getcurPLTIdx(compBegin);
-  uint32_t uiHeight = cu.block(compBegin).height;
-  uint32_t uiWidth = cu.block(compBegin).width;
-
-  m_puiScanOrder = g_scanOrder[SCAN_UNGROUPED][(cu.useRotation[compBegin]) ? SCAN_TRAV_VER : SCAN_TRAV_HOR][gp_sizeIdxInfo->idxFrom(uiWidth)][gp_sizeIdxInfo->idxFrom(uiHeight)];
-
-  uint32_t total = uiHeight * uiWidth;
-
-  int iLastRunPos = -1;
+  PLTtypeBuf runType = tu.getrunType(compBegin);
+  PelBuf     runLength = tu.getrunLength(compBegin);
+  PelBuf     curPLTIdx = tu.getcurPLTIdx(compBegin);
+  uint32_t   height = cu.block(compBegin).height;
+  uint32_t   width = cu.block(compBegin).width;
+
+  m_puiScanOrder = g_scanOrder[SCAN_UNGROUPED][(cu.useRotation[compBegin]) ? SCAN_TRAV_VER : SCAN_TRAV_HOR][gp_sizeIdxInfo->idxFrom(width)][gp_sizeIdxInfo->idxFrom(height)];
+  uint32_t total = height * width;
+  int lastRunPos = -1;
   uint32_t lastRunType = 0;
-  uint32_t uiNumIndices = 0;
-  std::vector<int> vIdxPos, vParsedIdx;
-  vIdxPos.reserve(total);
-  vParsedIdx.reserve(total);
+  uint32_t numIndices = 0;
+  std::vector<int> idxPos, parsedIdx;
+  idxPos.reserve(total);
+  parsedIdx.reserve(total);
   if (indexMaxSize > 1)
   {
     int idx = 0, run = 0;
@@ -1519,24 +1515,24 @@ void CABACWriter::cu_palette_info(const CodingUnit& cu, ComponentID compBegin, u
       uint32_t posx = m_puiScanOrder[idx].x;
       if (runType.at(posx, posy) == PLT_RUN_INDEX)
       {
-        vIdxPos.push_back(idx);
-        uiNumIndices++;
+        idxPos.push_back(idx);
+        numIndices++;
       }
       lastRunType = runType.at(posx, posy);
-      iLastRunPos = idx;
+      lastRunPos = idx;
       run = runLength.at(posx, posy);
       idx += run;
     }
     uint32_t currParam = 3 + ((indexMaxSize) >> 3);
-    uint32_t uiMappedValue;
-    assert(uiNumIndices);
-    assert(uiNumIndices > 0);
-    uiMappedValue = uiNumIndices - 1;
-    m_BinEncoder.encodeRemAbsEP(uiMappedValue, currParam, false, MAX_NUM_CHANNEL_TYPE); // JC: code number of indices (PLT_RUN_INDEX)
-    auto vIdxPosEnd = vIdxPos.end();
-    for (auto iter = vIdxPos.begin(); iter != vIdxPosEnd; ++iter)
+    uint32_t mappedValue;
+    assert(numIndices);
+    assert(numIndices > 0);
+    mappedValue = numIndices - 1;
+    m_BinEncoder.encodeRemAbsEP(mappedValue, currParam, false, MAX_NUM_CHANNEL_TYPE); // JC: code number of indices (PLT_RUN_INDEX)
+    auto idxPosEnd = idxPos.end();
+    for (auto iter = idxPos.begin(); iter != idxPosEnd; ++iter)
     {
-      vParsedIdx.push_back( writePLTIndex(cu, *iter, curPLTIdx, runType, indexMaxSize, compBegin));
+      parsedIdx.push_back( writePLTIndex(cu, *iter, curPLTIdx, runType, indexMaxSize, compBegin));
     }
     m_BinEncoder.encodeBin(lastRunType, Ctx::RunTypeFlag());
     codeScanRotationModeFlag(cu, compBegin);
@@ -1569,9 +1565,9 @@ void CABACWriter::cu_palette_info(const CodingUnit& cu, ComponentID compBegin, u
   }
 
   uint32_t strPos = 0;
-  uint32_t endPos = uiHeight * uiWidth;
-  auto vParsedIdxEnd = vParsedIdx.end();
-  auto vParsedIdxIter = vParsedIdx.begin();
+  uint32_t endPos = height * width;
+  auto parsedIdxEnd = parsedIdx.end();
+  auto parsedIdxIter = parsedIdx.begin();
   while (strPos < endPos)
   {
     uint32_t posy = m_puiScanOrder[strPos].y;
@@ -1592,32 +1588,32 @@ void CABACWriter::cu_palette_info(const CodingUnit& cu, ComponentID compBegin, u
       }
       else
       {
-        if (uiNumIndices && strPos < endPos - 1) // if uiNumIndices (decoder will know this value) == 0 - > only CopyAbove, if strPos == endPos - 1, the last RunType was already coded
+        if (numIndices && strPos < endPos - 1) // if numIndices (decoder will know this value) == 0 - > only CopyAbove, if strPos == endPos - 1, the last RunType was already coded
         {
           m_BinEncoder.encodeBin((runType.at(posx, posy)), Ctx::RunTypeFlag());
         }
       }
     }
 
-    Pel siCurLevel = 0;
+    Pel curLevel = 0;
     if (runType.at(posx, posy) == PLT_RUN_INDEX)
     {
-      if (vParsedIdxIter != vParsedIdxEnd)
+      if (parsedIdxIter != parsedIdxEnd)
       {
-        siCurLevel = *vParsedIdxIter++;
+        curLevel = *parsedIdxIter++;
       }
       else
       {
-        siCurLevel = 0;
+        curLevel = 0;
       }
     }
 
     if (indexMaxSize > 1)
     {
-      if (iLastRunPos != strPos)
+      if (lastRunPos != strPos)
       {
-        uiNumIndices -= (runType.at(posx, posy) == PLT_RUN_INDEX);
-        cu_run_val(runLength.at(posx, posy) - 1, (PLTRunMode)runType.at(posx, posy), siCurLevel, endPos - strPos - uiNumIndices - 1 - lastRunType);
+        numIndices -= (runType.at(posx, posy) == PLT_RUN_INDEX);
+        cu_run_val(runLength.at(posx, posy) - 1, (PLTRunMode)runType.at(posx, posy), curLevel, endPos - strPos - numIndices - 1 - lastRunType);
       }
 
     }
@@ -1659,16 +1655,16 @@ void CABACWriter::codeScanRotationModeFlag(const CodingUnit& cu, ComponentID com
 {
   m_BinEncoder.encodeBin((cu.useRotation[compBegin]), Ctx::RotationFlag());
 }
-void CABACWriter::xEncodePLTPredIndicator(const CodingUnit& cu, uint32_t uiMaxPLTSize, ComponentID compBegin)
+void CABACWriter::xEncodePLTPredIndicator(const CodingUnit& cu, uint32_t maxPLTSize, ComponentID compBegin)
 {
   int lastPredIdx = -1;
   uint32_t run = 0;
-  uint32_t uiNumPLTPredicted = 0;
+  uint32_t numPLTPredicted = 0;
   for (uint32_t idx = 0; idx < cu.lastPLTSize[compBegin]; idx++)
   {
     if (cu.reuseflag[compBegin][idx])
     {
-      uiNumPLTPredicted++;
+      numPLTPredicted++;
       lastPredIdx = idx;
     }
   }
@@ -1687,7 +1683,7 @@ void CABACWriter::xEncodePLTPredIndicator(const CodingUnit& cu, uint32_t uiMaxPL
     }
     idx++;
   }
-  if ((uiNumPLTPredicted < uiMaxPLTSize && lastPredIdx + 1 < cu.lastPLTSize[compBegin]) || !uiNumPLTPredicted)
+  if ((numPLTPredicted < maxPLTSize && lastPredIdx + 1 < cu.lastPLTSize[compBegin]) || !numPLTPredicted)
   {
     exp_golomb_eqprob(1, 0);
   }
@@ -1696,61 +1692,61 @@ Pel CABACWriter::writePLTIndex(const CodingUnit& cu, uint32_t idx, PelBuf& palet
 {
   uint32_t posy = m_puiScanOrder[idx].y;
   uint32_t posx = m_puiScanOrder[idx].x;
-  Pel siCurLevel = (paletteIdx.at(posx, posy) == cu.curPLTSize[compBegin]) ? (maxSymbol - 1) : paletteIdx.at(posx, posy);
+  Pel curLevel = (paletteIdx.at(posx, posy) == cu.curPLTSize[compBegin]) ? (maxSymbol - 1) : paletteIdx.at(posx, posy);
   if (idx) // R0348: remove index redundancy
   {
     uint32_t prevposy = m_puiScanOrder[idx - 1].y;
     uint32_t prevposx = m_puiScanOrder[idx - 1].x;
     if (paletteRunType.at(prevposx, prevposy) == PLT_RUN_INDEX)
     {
-      Pel siLeftLevel = paletteIdx.at(prevposx, prevposy); // left index
-      if (siLeftLevel == cu.curPLTSize[compBegin]) // escape mode
+      Pel leftLevel = paletteIdx.at(prevposx, prevposy); // left index
+      if (leftLevel == cu.curPLTSize[compBegin]) // escape mode
       {
-        siLeftLevel = maxSymbol - 1;
+        leftLevel = maxSymbol - 1;
       }
-      assert(siLeftLevel != siCurLevel);
-      if (siCurLevel > siLeftLevel)
+      assert(leftLevel != curLevel);
+      if (curLevel > leftLevel)
       {
-        siCurLevel--;
+        curLevel--;
       }
     }
     else
     {
-      Pel siAboveLevel;
+      Pel aboveLevel;
       if (cu.useRotation[compBegin])
       {
         assert(prevposx > 0);
-        siAboveLevel = paletteIdx.at(posx - 1, posy);
+        aboveLevel = paletteIdx.at(posx - 1, posy);
         if (paletteIdx.at(posx - 1, posy) == cu.curPLTSize[compBegin]) // escape mode
         {
-          siAboveLevel = maxSymbol - 1;
+          aboveLevel = maxSymbol - 1;
         }
       }
       else
       {
         assert(prevposy > 0);
-        siAboveLevel = paletteIdx.at(posx, posy - 1);
+        aboveLevel = paletteIdx.at(posx, posy - 1);
         if (paletteIdx.at(posx, posy - 1) == cu.curPLTSize[compBegin]) // escape mode
         {
-          siAboveLevel = maxSymbol - 1;
+          aboveLevel = maxSymbol - 1;
         }
       }
-      assert(siCurLevel != siAboveLevel);
-      if (siCurLevel > siAboveLevel)
+      assert(curLevel != aboveLevel);
+      if (curLevel > aboveLevel)
       {
-        siCurLevel--;
+        curLevel--;
       }
     }
     maxSymbol--;
   }
   assert(maxSymbol > 0);
-  assert(siCurLevel >= 0);
-  assert(maxSymbol > siCurLevel);
+  assert(curLevel >= 0);
+  assert(maxSymbol > curLevel);
   if (maxSymbol > 1)
   {
-    xWriteTruncBinCode(siCurLevel, maxSymbol);
+    xWriteTruncBinCode(curLevel, maxSymbol);
   }
-  return siCurLevel;
+  return curLevel;
 }
 
 void CABACWriter::encodeRunType(const CodingUnit&  cu, PLTtypeBuf& runType, uint32_t idx, ScanElement *refScanOrder, ComponentID compBegin)
@@ -1778,74 +1774,74 @@ void CABACWriter::encodeRunType(const CodingUnit&  cu, PLTtypeBuf& runType, uint
   }
 }
 
-void CABACWriter::cu_run_val(uint32_t uiRun, PLTRunMode runtype, const uint32_t uiPltIdx, const uint32_t uiMaxRun)
+void CABACWriter::cu_run_val(uint32_t run, PLTRunMode runtype, const uint32_t paletteIdx, const uint32_t maxRun)
 {
   if (runtype == PLT_RUN_COPY)
   {
   }
   else
   {
-    g_ucRunLeftLut[0] = (uiPltIdx < PLT_RUN_MSB_IDX_CTX_T1 ? 0 : (uiPltIdx < PLT_RUN_MSB_IDX_CTX_T2 ? 1 : 2));
+    g_ucRunLeftLut[0] = (paletteIdx < PLT_RUN_MSB_IDX_CTX_T1 ? 0 : (paletteIdx < PLT_RUN_MSB_IDX_CTX_T2 ? 1 : 2));
   }
-  xWriteTruncMsbP1RefinementBits(uiRun, runtype, uiMaxRun, PLT_RUN_MSB_IDX_CABAC_BYPASS_THRE);
+  xWriteTruncMsbP1RefinementBits(run, runtype, maxRun, PLT_RUN_MSB_IDX_CABAC_BYPASS_THRE);
 }
-uint32_t CABACWriter::xWriteTruncMsbP1(uint32_t uiSymbol, PLTRunMode runtype, uint32_t uiMax, uint32_t uiCtxT)
+uint32_t CABACWriter::xWriteTruncMsbP1(uint32_t symbol, PLTRunMode runtype, uint32_t uiMax, uint32_t uiCtxT)
 {
   if (uiMax == 0)
     return 0;
 
-  uint8_t *ucCtxLut;
-  ucCtxLut = (runtype == PLT_RUN_INDEX) ? g_ucRunLeftLut : g_ucRunTopLut;
+  uint8_t *ctxLut;
+  ctxLut = (runtype == PLT_RUN_INDEX) ? g_ucRunLeftLut : g_ucRunTopLut;
 
-  uint32_t uiMsbP1;
-  for (uiMsbP1 = 0; uiSymbol > 0; uiMsbP1++)
+  uint32_t msbP1;
+  for (msbP1 = 0; symbol > 0; msbP1++)
   {
-    uiSymbol >>= 1;
-    if (uiMsbP1 > uiCtxT)
+    symbol >>= 1;
+    if (msbP1 > uiCtxT)
     {
       m_BinEncoder.encodeBinEP(1);
     }
     else
-      m_BinEncoder.encodeBin(1, (uiMsbP1 <= uiCtxT)
-        ? ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ucCtxLut[uiMsbP1]) : Ctx::CopyRunModel(ucCtxLut[uiMsbP1]))
-        : ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ucCtxLut[uiCtxT]) : Ctx::CopyRunModel(ucCtxLut[uiCtxT])));
+      m_BinEncoder.encodeBin(1, (msbP1 <= uiCtxT)
+        ? ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ctxLut[msbP1]) : Ctx::CopyRunModel(ctxLut[msbP1]))
+        : ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ctxLut[uiCtxT]) : Ctx::CopyRunModel(ctxLut[uiCtxT])));
   }
-  assert(uiMsbP1 <= uiMax);
-  if (uiMsbP1 < uiMax)
+  assert(msbP1 <= uiMax);
+  if (msbP1 < uiMax)
   {
-    if (uiMsbP1 > uiCtxT)
+    if (msbP1 > uiCtxT)
     {
       m_BinEncoder.encodeBinEP(0);
     }
     else
-      m_BinEncoder.encodeBin(0, uiMsbP1 <= uiCtxT
-        ? ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ucCtxLut[uiMsbP1]) : Ctx::CopyRunModel(ucCtxLut[uiMsbP1]))
-        : ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ucCtxLut[uiCtxT]) : Ctx::CopyRunModel(ucCtxLut[uiCtxT])));
+      m_BinEncoder.encodeBin(0, msbP1 <= uiCtxT
+        ? ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ctxLut[msbP1]) : Ctx::CopyRunModel(ctxLut[msbP1]))
+        : ((runtype == PLT_RUN_INDEX) ? Ctx::IdxRunModel(ctxLut[uiCtxT]) : Ctx::CopyRunModel(ctxLut[uiCtxT])));
 
-    //m_pcBinIf->encodeBin(0, uiMsbP1 <= uiCtxT? pcSCModel[ucCtxLut[uiMsbP1]] : pcSCModel[ucCtxLut[uiCtxT]]);
+    //m_pcBinIf->encodeBin(0, msbP1 <= uiCtxT? pcSCModel[ctxLut[msbP1]] : pcSCModel[ctxLut[uiCtxT]]);
   }
-  return uiMsbP1;
+  return msbP1;
 }
 
-void CABACWriter::xWriteTruncMsbP1RefinementBits(uint32_t uiSymbol, PLTRunMode runtype, uint32_t uiMax, uint32_t uiCtxT)
+void CABACWriter::xWriteTruncMsbP1RefinementBits(uint32_t symbol, PLTRunMode runtype, uint32_t maxVal, uint32_t uiCtxT)
 {
-  if (uiMax == 0)
+  if (maxVal == 0)
     return;
 
-  uint32_t uiMsbP1 = xWriteTruncMsbP1(uiSymbol, runtype, g_getMsbP1Idx(uiMax), uiCtxT);
-  if (uiMsbP1 > 1)
+  uint32_t msbP1 = xWriteTruncMsbP1(symbol, runtype, g_getMsbP1Idx(maxVal), uiCtxT);
+  if (msbP1 > 1)
   {
-    uint32_t uiNumBins = g_getMsbP1Idx(uiMax);
-    if (uiMsbP1 < uiNumBins)
+    uint32_t numBins = g_getMsbP1Idx(maxVal);
+    if (msbP1 < numBins)
     {
 
-      uint32_t uiBits = uiMsbP1 - 1;
-      m_BinEncoder.encodeBinsEP(uiSymbol & ((1 << uiBits) - 1), uiBits);
+      uint32_t bits = msbP1 - 1;
+      m_BinEncoder.encodeBinsEP(symbol & ((1 << bits) - 1), bits);
     }
     else
     {
-      uint32_t curValue = 1 << (uiNumBins - 1);
-      xWriteTruncBinCode(uiSymbol - curValue, uiMax + 1 - curValue);
+      uint32_t curValue = 1 << (numBins - 1);
+      xWriteTruncBinCode(symbol - curValue, maxVal + 1 - curValue);
     }
   }
 }
diff --git a/source/Lib/EncoderLib/CABACWriter.h b/source/Lib/EncoderLib/CABACWriter.h
index f55d6a6162437694ca0edebbf09a2946da0c7dcf..617b33b8f192cbbe6e6df591dafb9c7ee5f59e77 100644
--- a/source/Lib/EncoderLib/CABACWriter.h
+++ b/source/Lib/EncoderLib/CABACWriter.h
@@ -111,7 +111,7 @@ public:
   void        mip_pred_mode             ( const PredictionUnit&         pu );
 #if JVET_O0119_BASE_PALETTE_444
   void        cu_palette_info           ( const CodingUnit& cu, ComponentID compBegin, uint32_t numComp, CUCtx& cuCtx);
-  void        cu_run_val                ( uint32_t uiRun, PLTRunMode runtype, const uint32_t uiPltIdx, const uint32_t uiMaxRun);
+  void        cu_run_val                ( uint32_t run, PLTRunMode runtype, const uint32_t paletteIdx, const uint32_t maxRun);
   void        encodeRunType             ( const CodingUnit&  cu, PLTtypeBuf& runType, uint32_t idx, ScanElement *refScanOrder, ComponentID compBegin);
   Pel         writePLTIndex             ( const CodingUnit& cu, uint32_t idx, PelBuf& paletteIdx, PLTtypeBuf& paletteRunType, int maxSymbol, ComponentID compBegin);
 #endif
@@ -194,9 +194,9 @@ private:
   void  xWriteTruncBinCode(uint32_t uiSymbol, uint32_t uiMaxSymbol);
 #if JVET_O0119_BASE_PALETTE_444
   void        codeScanRotationModeFlag  ( const CodingUnit& cu, ComponentID compBegin);
-  void        xEncodePLTPredIndicator   ( const CodingUnit& cu, uint32_t uiMaxPLTSize, ComponentID compBegin);
-  uint32_t    xWriteTruncMsbP1          ( uint32_t uiSymbol, PLTRunMode runtype, uint32_t uiMax, uint32_t uiCtxT);
-  void        xWriteTruncMsbP1RefinementBits  ( uint32_t uiSymbol, PLTRunMode runtype, uint32_t uiMax, uint32_t uiCtxT);
+  void        xEncodePLTPredIndicator   ( const CodingUnit& cu, uint32_t maxPltSize, ComponentID compBegin);
+  uint32_t    xWriteTruncMsbP1          ( uint32_t symbol, PLTRunMode runtype, uint32_t maxVal, uint32_t ctxT);
+  void        xWriteTruncMsbP1RefinementBits  ( uint32_t symbol, PLTRunMode runtype, uint32_t maxVal, uint32_t ctxT);
 #endif
 private:
   BinEncIf&         m_BinEncoder;
diff --git a/source/Lib/EncoderLib/EncCu.cpp b/source/Lib/EncoderLib/EncCu.cpp
index a9de21935450ded2412b198d6fedb1f9685054b4..ddfd954d2e11aca6d44b6a65ef8188911e3bb96a 100644
--- a/source/Lib/EncoderLib/EncCu.cpp
+++ b/source/Lib/EncoderLib/EncCu.cpp
@@ -1894,8 +1894,8 @@ void EncCu::xCheckPLT(CodingStructure *&tempCS, CodingStructure *&bestCS, Partit
   xCalDebCost(*tempCS, partitioner);
   tempCS->useDbCost = m_pcEncCfg->getUseEncDbOpt();
 
-  const Area curr_cu_area = cu.block(getFirstComponentOfChannel(partitioner.chType));
-  cu.slice->m_mapPltCost[curr_cu_area.pos()][curr_cu_area.size()] = tempCS->cost;
+  const Area currCuArea = cu.block(getFirstComponentOfChannel(partitioner.chType));
+  cu.slice->m_mapPltCost[currCuArea.pos()][currCuArea.size()] = tempCS->cost;
 #if WCG_EXT
   DTRACE_MODE_COST(*tempCS, m_pcRdCost->getLambda(true));
 #else
diff --git a/source/Lib/EncoderLib/EncSlice.cpp b/source/Lib/EncoderLib/EncSlice.cpp
index 66792eab32fc925557869872af2a9e1be81edde3..ee9a44e9e00704ffdc38ec009f6cf5bc764758c6 100644
--- a/source/Lib/EncoderLib/EncSlice.cpp
+++ b/source/Lib/EncoderLib/EncSlice.cpp
@@ -1392,8 +1392,8 @@ void EncSlice::compressSlice( Picture* pcPic, const bool bCompressEntireSlice, c
 #endif // ENABLE_QPA
 
 #if JVET_O0119_BASE_PALETTE_444
-  bool bCheckPLTRatio = m_pcCfg->getIntraPeriod() != 1 && pcSlice->isIRAP();
-  if (bCheckPLTRatio)
+  bool checkPLTRatio = m_pcCfg->getIntraPeriod() != 1 && pcSlice->isIRAP();
+  if (checkPLTRatio)
   {
     doPlt = true;
   }
@@ -1434,7 +1434,7 @@ void EncSlice::compressSlice( Picture* pcPic, const bool bCompressEntireSlice, c
 #endif 
   encodeCtus( pcPic, bCompressEntireSlice, bFastDeltaQP, startCtuTsAddr, boundingCtuTsAddr, m_pcLib );
 #if JVET_O0119_BASE_PALETTE_444
-  if (bCheckPLTRatio)
+  if (checkPLTRatio)
   {
     int totalArea = 0;
     int pltArea = 0;
@@ -1442,13 +1442,13 @@ void EncSlice::compressSlice( Picture* pcPic, const bool bCompressEntireSlice, c
     {
       for (int i = 0; i < MAX_NUM_TBLOCKS; ++i)
       {
-        int pu_area = apu->blocks[i].width * apu->blocks[i].height;
+        int puArea = apu->blocks[i].width * apu->blocks[i].height;
         if (apu->blocks[i].width > 0 && apu->blocks[i].height > 0)
         {
-          totalArea += pu_area;
+          totalArea += puArea;
           if (CU::isPLT(*apu->cu) || CU::isIBC(*apu->cu))
           {
-            pltArea += pu_area;
+            pltArea += puArea;
           }
           break;
         }
diff --git a/source/Lib/EncoderLib/IntraSearch.cpp b/source/Lib/EncoderLib/IntraSearch.cpp
index 6a5d5248b6edd494ca88da52c4556ca7fcadcff1..309cbcb940b86237aa79306d6f09a4cbccc9e8eb 100644
--- a/source/Lib/EncoderLib/IntraSearch.cpp
+++ b/source/Lib/EncoderLib/IntraSearch.cpp
@@ -1464,10 +1464,10 @@ void IntraSearch::xEncPCM(CodingStructure &cs, Partitioner& partitioner, const C
 #if JVET_O0119_BASE_PALETTE_444
 void IntraSearch::PLTSearch(CodingStructure &cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp)
 {
-  CodingUnit &cu = *cs.getCU(partitioner.chType);
+  CodingUnit    &cu = *cs.getCU(partitioner.chType);
   TransformUnit &tu = *cs.getTU(partitioner.chType);
-  uint32_t uiHeight = cu.block(compBegin).height;
-  uint32_t uiWidth = cu.block(compBegin).width;
+  uint32_t height = cu.block(compBegin).height;
+  uint32_t width = cu.block(compBegin).width;
   m_orgCtxRD = PLTCtx(m_CABACEstimator->getCtx());
 
   if (m_pcEncCfg->getReshaper() && (cs.slice->getLmcsEnabledFlag() && m_pcReshape->getCTUFlag()))
@@ -1476,8 +1476,8 @@ void IntraSearch::PLTSearch(CodingStructure &cs, Partitioner& partitioner, Compo
     cs.getPredBuf().Y().rspSignal(m_pcReshape->getFwdLUT());
   }
 
-  Pel  *pRunLength = tu.getRunLens (compBegin);
-  bool *pRunType   = tu.getRunTypes(compBegin);
+  Pel  *runLength = tu.getRunLens (compBegin);
+  bool *runType   = tu.getRunTypes(compBegin);
   cu.lastPLTSize[compBegin] = cs.prevPLT.curPLTSize[compBegin];
   //derive palette
   derivePLTLossy(cs, partitioner, compBegin, numComp);
@@ -1486,22 +1486,22 @@ void IntraSearch::PLTSearch(CodingStructure &cs, Partitioner& partitioner, Compo
   //calculate palette index
   preCalcPLTIndex(cs, partitioner, compBegin, numComp);
   //derive run
-  uint64_t uiBits = MAX_UINT;
-  deriveRunAndCalcBits(cs, partitioner, compBegin, numComp, PLT_SCAN_HORTRAV, uiBits);
+  uint64_t bits = MAX_UINT;
+  deriveRunAndCalcBits(cs, partitioner, compBegin, numComp, PLT_SCAN_HORTRAV, bits);
   if ((cu.curPLTSize[compBegin] + cu.useEscape[compBegin]) > 1)
   {
-    deriveRunAndCalcBits(cs, partitioner, compBegin, numComp, PLT_SCAN_VERTRAV, uiBits);
+    deriveRunAndCalcBits(cs, partitioner, compBegin, numComp, PLT_SCAN_VERTRAV, bits);
   }
   cu.useRotation[compBegin] = m_bBestScanRotationMode;
-  memcpy(pRunType, m_runTypeRD, sizeof(bool)*uiWidth*uiHeight);
-  memcpy(pRunLength, m_runLengthRD, sizeof(Pel)*uiWidth*uiHeight);
+  memcpy(runType, m_runTypeRD, sizeof(bool)*width*height);
+  memcpy(runLength, m_runLengthRD, sizeof(Pel)*width*height);
   //reconstruct pixel
   PelBuf    curPLTIdx = tu.getcurPLTIdx(compBegin);
-  for (uint32_t uiY = 0; uiY < uiHeight; uiY++)
+  for (uint32_t y = 0; y < height; y++)
   {
-    for (uint32_t uiX = 0; uiX < uiWidth; uiX++)
+    for (uint32_t x = 0; x < width; x++)
     {
-      if (curPLTIdx.at(uiX, uiY) == cu.curPLTSize[compBegin])
+      if (curPLTIdx.at(x, y) == cu.curPLTSize[compBegin])
       {
 
       }
@@ -1509,19 +1509,17 @@ void IntraSearch::PLTSearch(CodingStructure &cs, Partitioner& partitioner, Compo
       {
         for (uint32_t compID = compBegin; compID < (compBegin + numComp); compID++)
         {
-          CompArea  area = cu.blocks[compID];
-          PelBuf    recBuf = cs.getRecoBuf(area);
+          CompArea area = cu.blocks[compID];
+          PelBuf   recBuf = cs.getRecoBuf(area);
           uint32_t scaleX = getComponentScaleX((ComponentID)COMPONENT_Cb, cs.sps->getChromaFormatIdc());
           uint32_t scaleY = getComponentScaleY((ComponentID)COMPONENT_Cb, cs.sps->getChromaFormatIdc());
           if (compBegin != COMPONENT_Y || compID == COMPONENT_Y)
           {
-            recBuf.at(uiX, uiY) = cu.curPLT[compID][curPLTIdx.at(uiX, uiY)];
+            recBuf.at(x, y) = cu.curPLT[compID][curPLTIdx.at(x, y)];
           }
-          else if (compBegin == COMPONENT_Y && compID != COMPONENT_Y && uiY % (1 << scaleY) == 0 && uiX % (1 << scaleX) == 0)
+          else if (compBegin == COMPONENT_Y && compID != COMPONENT_Y && y % (1 << scaleY) == 0 && x % (1 << scaleX) == 0)
           {
-            CompArea  area = cu.blocks[compID];
-            PelBuf    recBuf = cs.getRecoBuf(area);
-            recBuf.at(uiX >> scaleX, uiY >> scaleY) = cu.curPLT[compID][curPLTIdx.at(uiX, uiY)];
+            recBuf.at(x >> scaleX, y >> scaleY) = cu.curPLT[compID][curPLTIdx.at(x, y)];
           }
         }
       }
@@ -1549,8 +1547,8 @@ void IntraSearch::PLTSearch(CodingStructure &cs, Partitioner& partitioner, Compo
       if (compID == COMPONENT_Y && !(m_pcEncCfg->getLumaLevelToDeltaQPMapping().isEnabled()))
       {
         const CompArea &areaY = cu.Y();
-        CompArea      tmpArea1(COMPONENT_Y, areaY.chromaFormat, Position(0, 0), areaY.size());
-        PelBuf tmpRecLuma = m_tmpStorageLCU.getBuf(tmpArea1);
+        CompArea tmpArea1(COMPONENT_Y, areaY.chromaFormat, Position(0, 0), areaY.size());
+        PelBuf   tmpRecLuma = m_tmpStorageLCU.getBuf(tmpArea1);
         tmpRecLuma.copyFrom(reco);
         tmpRecLuma.rspSignal(m_pcReshape->getInvLUT());
         distortion += m_pcRdCost->getDistPart(org, tmpRecLuma, cs.sps->getBitDepth(toChannelType(compID)), compID, DF_SSE_WTD, &orgLuma);
@@ -1570,135 +1568,132 @@ void IntraSearch::PLTSearch(CodingStructure &cs, Partitioner& partitioner, Compo
   cs.setDecomp(area);
   cs.picture->getRecoBuf(area).copyFrom(cs.getRecoBuf(area));
 }
-void IntraSearch::deriveRunAndCalcBits(CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp, PLTScanMode pltScanMode, uint64_t& uiMinBits)
+void IntraSearch::deriveRunAndCalcBits(CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp, PLTScanMode pltScanMode, uint64_t& minBits)
 {
-  CodingUnit &cu = *cs.getCU(partitioner.chType);
+  CodingUnit    &cu = *cs.getCU(partitioner.chType);
   TransformUnit &tu = *cs.getTU(partitioner.chType);
-  uint32_t uiHeight = cu.block(compBegin).height;
-  uint32_t uiWidth = cu.block(compBegin).width;
-  Pel  *pRunLength = tu.getRunLens (compBegin);
-  bool *pRunType   = tu.getRunTypes(compBegin);
+  uint32_t height = cu.block(compBegin).height;
+  uint32_t width = cu.block(compBegin).width;
+  Pel  *runLength = tu.getRunLens (compBegin);
+  bool *runType   = tu.getRunTypes(compBegin);
 
-  cu.useRotation[compBegin] = (pltScanMode == PLT_SCAN_VERTRAV); // JC: rotate
-
-  m_puiScanOrder = g_scanOrder[SCAN_UNGROUPED][(cu.useRotation[compBegin]) ? SCAN_TRAV_VER : SCAN_TRAV_HOR][gp_sizeIdxInfo->idxFrom(uiWidth)][gp_sizeIdxInfo->idxFrom(uiHeight)];
+  cu.useRotation[compBegin] = (pltScanMode == PLT_SCAN_VERTRAV); 
+  m_puiScanOrder = g_scanOrder[SCAN_UNGROUPED][(cu.useRotation[compBegin]) ? SCAN_TRAV_VER : SCAN_TRAV_HOR][gp_sizeIdxInfo->idxFrom(width)][gp_sizeIdxInfo->idxFrom(height)];
   deriveRun(cs, partitioner, compBegin);
 
   m_CABACEstimator->getCtx() = PLTCtx(m_orgCtxRD);
   m_CABACEstimator->resetBits();
-
   CUCtx cuCtx;
   cuCtx.isDQPCoded = true;
   cuCtx.isChromaQpAdjCoded = true;
   m_CABACEstimator->cu_palette_info(cu, compBegin, numComp, cuCtx);
-  uint64_t nBitsTemp = m_CABACEstimator->getEstFracBits();
-  if (uiMinBits > nBitsTemp)
+  uint64_t bitsTemp = m_CABACEstimator->getEstFracBits();
+  if (minBits > bitsTemp)
   {
     m_bBestScanRotationMode = pltScanMode;
-    memcpy(m_runTypeRD, pRunType, sizeof(bool)*uiWidth*uiHeight);
-    memcpy(m_runLengthRD, pRunLength, sizeof(Pel)*uiWidth*uiHeight);
-    uiMinBits = nBitsTemp;
+    memcpy(m_runTypeRD, runType, sizeof(bool)*width*height);
+    memcpy(m_runLengthRD, runLength, sizeof(Pel)*width*height);
+    minBits = bitsTemp;
   }
 }
 void IntraSearch::deriveRun(CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin)
 {
-  CodingUnit &cu = *cs.getCU(partitioner.chType);
+  CodingUnit    &cu = *cs.getCU(partitioner.chType);
   TransformUnit &tu = *cs.getTU(partitioner.chType);
-  uint32_t uiHeight = cu.block(compBegin).height;
-  uint32_t uiWidth = cu.block(compBegin).width;
-  uint32_t uiTotal = uiHeight * uiWidth, uiIdx = 0;
-  uint32_t uiStartPos = 0;
+  uint32_t height = cu.block(compBegin).height;
+  uint32_t width = cu.block(compBegin).width;
+  uint32_t total = height * width, idx = 0;
+  uint32_t startPos = 0;
   uint64_t indexBits = 0, runBitsIndex = 0, runBitsCopy = 0;
   m_storeCtx_Run = PLTCtx(m_orgCtxRD);
 
   PLTtypeBuf  runType = tu.getrunType(compBegin);
   PelBuf      runLength = tu.getrunLength(compBegin);
-  while (uiIdx < uiTotal)
+  while (idx < total)
   {
-    uiStartPos = uiIdx;
-    double dAveBitsPerPix[NUM_PLT_RUN];
-
-    uint32_t uiIndexRun = 0;
-    bool RunValid = calIndexRun(cs, partitioner, uiStartPos, uiTotal, uiIndexRun, compBegin);
+    startPos = idx;
+    double aveBitsPerPix[NUM_PLT_RUN];
+    uint32_t indexRun = 0;
+    bool runValid = calIndexRun(cs, partitioner, startPos, total, indexRun, compBegin);
     m_CABACEstimator->getCtx() = PLTCtx(m_storeCtx_Run);
-    dAveBitsPerPix[PLT_RUN_INDEX] = RunValid ? getRunBits(cu, uiIndexRun, uiStartPos, PLT_RUN_INDEX, &indexBits, &runBitsIndex, compBegin) : MAX_DOUBLE;
+    aveBitsPerPix[PLT_RUN_INDEX] = runValid ? getRunBits(cu, indexRun, startPos, PLT_RUN_INDEX, &indexBits, &runBitsIndex, compBegin) : MAX_DOUBLE;
     m_storeCtx_RunIndex = PLTCtx(m_CABACEstimator->getCtx());
 
-    uint32_t uiCopyRun = 0;
-    bool CopyValid = calCopyRun(cs, partitioner, uiStartPos, uiTotal, uiCopyRun, compBegin);
+    uint32_t copyRun = 0;
+    bool copyValid = calCopyRun(cs, partitioner, startPos, total, copyRun, compBegin);
     m_CABACEstimator->getCtx() = PLTCtx(m_storeCtx_Run);
-    dAveBitsPerPix[PLT_RUN_COPY] = CopyValid ? getRunBits(cu, uiCopyRun, uiStartPos, PLT_RUN_COPY, &indexBits, &runBitsCopy, compBegin) : MAX_DOUBLE;
+    aveBitsPerPix[PLT_RUN_COPY] = copyValid ? getRunBits(cu, copyRun, startPos, PLT_RUN_COPY, &indexBits, &runBitsCopy, compBegin) : MAX_DOUBLE;
     m_storeCtx_RunCopy = PLTCtx(m_CABACEstimator->getCtx());
 
-    if (CopyValid == 0 && RunValid == 0)
+    if (copyValid == 0 && runValid == 0)
     {
       assert(0);
     }
     else
     {
-      if (dAveBitsPerPix[PLT_RUN_COPY] <= dAveBitsPerPix[PLT_RUN_INDEX])
+      if (aveBitsPerPix[PLT_RUN_COPY] <= aveBitsPerPix[PLT_RUN_INDEX])
       {
-        for (int runidx = 0; runidx <uiCopyRun; runidx++)
+        for (int runidx = 0; runidx <copyRun; runidx++)
         {
-          uint32_t posy = m_puiScanOrder[uiIdx + runidx].y;
-          uint32_t posx = m_puiScanOrder[uiIdx + runidx].x;
+          uint32_t posy = m_puiScanOrder[idx + runidx].y;
+          uint32_t posx = m_puiScanOrder[idx + runidx].x;
           runType.at(posx, posy) = PLT_RUN_COPY;
-          runLength.at(posx, posy) = uiCopyRun;
+          runLength.at(posx, posy) = copyRun;
         }
-        uiIdx += uiCopyRun;
+        idx += copyRun;
         m_storeCtx_Run = PLTCtx(m_storeCtx_RunCopy);
 
       }
       else
       {
-        for (int runidx = 0; runidx <uiIndexRun; runidx++)
+        for (int runidx = 0; runidx <indexRun; runidx++)
         {
-          uint32_t posy = m_puiScanOrder[uiIdx + runidx].y;
-          uint32_t posx = m_puiScanOrder[uiIdx + runidx].x;
+          uint32_t posy = m_puiScanOrder[idx + runidx].y;
+          uint32_t posx = m_puiScanOrder[idx + runidx].x;
           runType.at(posx, posy) = PLT_RUN_INDEX;
-          runLength.at(posx, posy) = uiIndexRun;
+          runLength.at(posx, posy) = indexRun;
         }
-        uiIdx += uiIndexRun;
+        idx += indexRun;
         m_storeCtx_Run = PLTCtx(m_storeCtx_RunIndex);
 
       }
     }
   }
-  assert(uiIdx == uiTotal);
+  assert(idx == total);
 }
 double IntraSearch::getRunBits(const CodingUnit&  cu, uint32_t run, uint32_t strPos, PLTRunMode paletteRunMode, uint64_t* indexBits, uint64_t* runBits, ComponentID compBegin)
 {
   TransformUnit&   tu = *cu.firstTU;
-  uint32_t uiHeight = cu.block(compBegin).height;
-  uint32_t uiWidth = cu.block(compBegin).width;
-  uint32_t endPos = uiHeight*uiWidth;
-  PLTtypeBuf   runType = tu.getrunType(compBegin);
-  PelBuf   curPLTIdx = tu.getcurPLTIdx(compBegin);
-  uint32_t uiIndexMaxSize = (cu.useEscape[compBegin]) ? (cu.curPLTSize[compBegin] + 1) : cu.curPLTSize[compBegin];
+  uint32_t height = cu.block(compBegin).height;
+  uint32_t width  = cu.block(compBegin).width;
+  uint32_t endPos = height*width;
+  PLTtypeBuf runType   = tu.getrunType(compBegin);
+  PelBuf     curPLTIdx = tu.getcurPLTIdx(compBegin);
+  uint32_t   indexMaxSize = (cu.useEscape[compBegin]) ? (cu.curPLTSize[compBegin] + 1) : cu.curPLTSize[compBegin];
 
   m_CABACEstimator->resetBits();
   ///////////////// encode Run Type
   m_CABACEstimator->encodeRunType(cu, runType, strPos, m_puiScanOrder, compBegin);
-  uint64_t RunTypeBits = m_CABACEstimator->getEstFracBits();
+  uint64_t runTypeBits = m_CABACEstimator->getEstFracBits();
   uint32_t curLevel = 0;
   switch (paletteRunMode)
   {
   case PLT_RUN_INDEX:
-    curLevel = m_CABACEstimator->writePLTIndex(cu, strPos, curPLTIdx, runType, uiIndexMaxSize, compBegin);
-    *indexBits = m_CABACEstimator->getEstFracBits() - RunTypeBits;
+    curLevel = m_CABACEstimator->writePLTIndex(cu, strPos, curPLTIdx, runType, indexMaxSize, compBegin);
+    *indexBits = m_CABACEstimator->getEstFracBits() - runTypeBits;
     m_CABACEstimator->cu_run_val(run - 1, PLT_RUN_INDEX, curLevel, endPos - strPos - 1);
-    *runBits = m_CABACEstimator->getEstFracBits() - RunTypeBits - (*indexBits);
+    *runBits = m_CABACEstimator->getEstFracBits() - runTypeBits - (*indexBits);
     break;
   case PLT_RUN_COPY:
     m_CABACEstimator->cu_run_val(run - 1, PLT_RUN_COPY, curLevel, endPos - strPos - 1);
-    *runBits = m_CABACEstimator->getEstFracBits() - RunTypeBits;
+    *runBits = m_CABACEstimator->getEstFracBits() - runTypeBits;
     break;
   default:
     assert(0);
   }
   assert(run >= 1);
-  double dCostPerPixel = (double)m_CABACEstimator->getEstFracBits() / (double)run;
-  return dCostPerPixel;
+  double costPerPixel = (double)m_CABACEstimator->getEstFracBits() / (double)run;
+  return costPerPixel;
 }
 void IntraSearch::preCalcPLTIndex(CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp)
 {
@@ -1709,8 +1704,8 @@ void IntraSearch::preCalcPLTIndex(CodingStructure& cs, Partitioner& partitioner,
   const int  pcmShiftRight_L = (channelBitDepth_L - PLT_ENCBITDEPTH);
   const int  pcmShiftRight_C = (channelBitDepth_C - PLT_ENCBITDEPTH);
 
-  uint32_t uiHeight = cu.block(compBegin).height;
-  uint32_t uiWidth = cu.block(compBegin).width;
+  uint32_t height = cu.block(compBegin).height;
+  uint32_t width = cu.block(compBegin).width;
 
   CPelBuf   orgBuf[3];
   for (int comp = compBegin; comp < (compBegin + numComp); comp++)
@@ -1727,56 +1722,51 @@ void IntraSearch::preCalcPLTIndex(CodingStructure& cs, Partitioner& partitioner,
   }
 
   PelBuf   curPLTIdx = tu.getcurPLTIdx(compBegin);
-  int      iErrorLimit = numComp * g_uhPLTQuant[cu.qp];
-
-  uint32_t uiBestIdx = 0;
-
-
+  int      errorLimit = numComp * g_uhPLTQuant[cu.qp];
+  uint32_t bestIdx = 0;
   uint32_t scaleX = getComponentScaleX(COMPONENT_Cb, cs.sps->getChromaFormatIdc());
   uint32_t scaleY = getComponentScaleY(COMPONENT_Cb, cs.sps->getChromaFormatIdc());
-  for (uint32_t uiY = 0; uiY < uiHeight; uiY++)
+  for (uint32_t y = 0; y < height; y++)
   {
-    for (uint32_t uiX = 0; uiX < uiWidth; uiX++)
+    for (uint32_t x = 0; x < width; x++)
     {
-      uint32_t uiPLTIdx = 0;
-      uint32_t uiMinError = MAX_UINT;
-      while (uiPLTIdx < cu.curPLTSize[compBegin])
+      uint32_t pltIdx = 0;
+      uint32_t minError = MAX_UINT;
+      while (pltIdx < cu.curPLTSize[compBegin])
       {
-        uint32_t uiAbsError = 0, pX, pY;
+        uint32_t absError = 0, pX, pY;
         for (int comp = compBegin; comp < (compBegin + numComp); comp++)
         {
-          pX = (comp > 0 && compBegin == COMPONENT_Y) ? (uiX >> scaleX) : uiX;
-          pY = (comp > 0 && compBegin == COMPONENT_Y) ? (uiY >> scaleY) : uiY;
+          pX = (comp > 0 && compBegin == COMPONENT_Y) ? (x >> scaleX) : x;
+          pY = (comp > 0 && compBegin == COMPONENT_Y) ? (y >> scaleY) : y;
           int shift = (comp > 0) ? pcmShiftRight_C : pcmShiftRight_L;
-          uiAbsError += abs(cu.curPLT[comp][uiPLTIdx] - orgBuf[comp].at(pX, pY)) >> shift;
+          absError += abs(cu.curPLT[comp][pltIdx] - orgBuf[comp].at(pX, pY)) >> shift;
         }
 
-        if (uiAbsError < uiMinError)
+        if (absError < minError)
         {
-          uiBestIdx = uiPLTIdx;
-          uiMinError = uiAbsError;
-          if (uiMinError == 0)
+          bestIdx = pltIdx;
+          minError = absError;
+          if (minError == 0)
           {
             break;
           }
         }
-        uiPLTIdx++;
+        pltIdx++;
       }
-      curPLTIdx.at(uiX, uiY) = uiBestIdx;
-
-      if (uiMinError > iErrorLimit)
+      curPLTIdx.at(x, y) = bestIdx;
+      if (minError > errorLimit)
       {
-        curPLTIdx.at(uiX, uiY) = cu.curPLTSize[compBegin];
+        curPLTIdx.at(x, y) = cu.curPLTSize[compBegin];
         cu.useEscape[compBegin] = true;
-        calcPixelPred(cs, partitioner, uiY, uiX, compBegin, numComp);
+        calcPixelPred(cs, partitioner, y, x, compBegin, numComp);
       }
-
     }
   }
 }
-void IntraSearch::calcPixelPred(CodingStructure& cs, Partitioner& partitioner, uint32_t uiY, uint32_t uiX, ComponentID compBegin, uint32_t numComp)
+void IntraSearch::calcPixelPred(CodingStructure& cs, Partitioner& partitioner, uint32_t yPos, uint32_t xPos, ComponentID compBegin, uint32_t numComp)
 {
-  CodingUnit &cu = *cs.getCU(partitioner.chType);
+  CodingUnit    &cu = *cs.getCU(partitioner.chType);
   TransformUnit &tu = *cs.getTU(partitioner.chType);
 
   CPelBuf   orgBuf[3];
@@ -1793,51 +1783,50 @@ void IntraSearch::calcPixelPred(CodingStructure& cs, Partitioner& partitioner, u
     }
   }
 
-  int iQP[3];
-  int iQPrem[3];
-  int iQPper[3];
+  int qp[3];
+  int qpRem[3];
+  int qpPer[3];
   int quantiserScale[3];
   int quantiserRightShift[3];
   int rightShiftOffset[3];
   int InvquantiserRightShift[3];
-  int iAdd[3];
+  int add[3];
   for (uint32_t ch = compBegin; ch < (compBegin + numComp); ch++)
   {
     QpParam cQP(tu, ComponentID(ch));
-    iQP[ch] = cQP.Qp;
-    iQPrem[ch] = iQP[ch] % 6;
-    iQPper[ch] = iQP[ch] / 6;
-    quantiserScale[ch] = g_quantScales[0][iQPrem[ch]];
-    quantiserRightShift[ch] = QUANT_SHIFT + iQPper[ch];
+    qp[ch] = cQP.Qp;
+    qpRem[ch] = qp[ch] % 6;
+    qpPer[ch] = qp[ch] / 6;
+    quantiserScale[ch] = g_quantScales[0][qpRem[ch]];
+    quantiserRightShift[ch] = QUANT_SHIFT + qpPer[ch];
     rightShiftOffset[ch] = 1 << (quantiserRightShift[ch] - 1);
     InvquantiserRightShift[ch] = IQUANT_SHIFT;
-    iAdd[ch] = 1 << (InvquantiserRightShift[ch] - 1);
+    add[ch] = 1 << (InvquantiserRightShift[ch] - 1);
   }
 
   uint32_t scaleX = getComponentScaleX(COMPONENT_Cb, cs.sps->getChromaFormatIdc());
   uint32_t scaleY = getComponentScaleY(COMPONENT_Cb, cs.sps->getChromaFormatIdc());
-
   for (uint32_t ch = compBegin; ch < (compBegin + numComp); ch++)
   {
-    const int  channelBitDepth = cu.cs->sps->getBitDepth(toChannelType((ComponentID)ch));
+    const int channelBitDepth = cu.cs->sps->getBitDepth(toChannelType((ComponentID)ch));
     CompArea  area = cu.blocks[ch];
     PelBuf    recBuf = cs.getRecoBuf(area);
-    PLTescapeBuf    escapeValue = tu.getescapeValue((ComponentID)ch);
+    PLTescapeBuf escapeValue = tu.getescapeValue((ComponentID)ch);
     if (compBegin != COMPONENT_Y || ch == 0)
     {
-      escapeValue.at(uiX, uiY) = TCoeff(std::max<int>(0, ((orgBuf[ch].at(uiX, uiY) * quantiserScale[ch] + rightShiftOffset[ch]) >> quantiserRightShift[ch])));
-      assert(escapeValue.at(uiX, uiY) < (1 << (channelBitDepth + 1)));
-      recBuf.at(uiX, uiY) = (((escapeValue.at(uiX, uiY)*g_invQuantScales[0][iQPrem[ch]]) << iQPper[ch]) + iAdd[ch]) >> InvquantiserRightShift[ch];
-      recBuf.at(uiX, uiY) = Pel(ClipBD<int>(recBuf.at(uiX, uiY), channelBitDepth));//to be checked
+      escapeValue.at(xPos, yPos) = TCoeff(std::max<int>(0, ((orgBuf[ch].at(xPos, yPos) * quantiserScale[ch] + rightShiftOffset[ch]) >> quantiserRightShift[ch])));
+      assert(escapeValue.at(xPos, yPos) < (1 << (channelBitDepth + 1)));
+      recBuf.at(xPos, yPos) = (((escapeValue.at(xPos, yPos)*g_invQuantScales[0][qpRem[ch]]) << qpPer[ch]) + add[ch]) >> InvquantiserRightShift[ch];
+      recBuf.at(xPos, yPos) = Pel(ClipBD<int>(recBuf.at(xPos, yPos), channelBitDepth));//to be checked
     }
-    else if (compBegin == COMPONENT_Y && ch > 0 && uiY % (1 << scaleY) == 0 && uiX % (1 << scaleX) == 0)
+    else if (compBegin == COMPONENT_Y && ch > 0 && yPos % (1 << scaleY) == 0 && xPos % (1 << scaleX) == 0)
     {
-      uint32_t uiYC = uiY >> scaleY;
-      uint32_t uiXC = uiX >> scaleX;
-      escapeValue.at(uiXC, uiYC) = TCoeff(std::max<int>(0, ((orgBuf[ch].at(uiXC, uiYC) * quantiserScale[ch] + rightShiftOffset[ch]) >> quantiserRightShift[ch])));
-      assert(escapeValue.at(uiXC, uiYC) < (1 << (channelBitDepth + 1)));
-      recBuf.at(uiXC, uiYC) = (((escapeValue.at(uiXC, uiYC)*g_invQuantScales[0][iQPrem[ch]]) << iQPper[ch]) + iAdd[ch]) >> InvquantiserRightShift[ch];
-      recBuf.at(uiXC, uiYC) = Pel(ClipBD<int>(recBuf.at(uiXC, uiYC), channelBitDepth));//to be checked
+      uint32_t yPosC = yPos >> scaleY;
+      uint32_t xPosC = xPos >> scaleX;
+      escapeValue.at(xPosC, yPosC) = TCoeff(std::max<int>(0, ((orgBuf[ch].at(xPosC, yPosC) * quantiserScale[ch] + rightShiftOffset[ch]) >> quantiserRightShift[ch])));
+      assert(escapeValue.at(xPosC, yPosC) < (1 << (channelBitDepth + 1)));
+      recBuf.at(xPosC, yPosC) = (((escapeValue.at(xPosC, yPosC)*g_invQuantScales[0][qpRem[ch]]) << qpPer[ch]) + add[ch]) >> InvquantiserRightShift[ch];
+      recBuf.at(xPosC, yPosC) = Pel(ClipBD<int>(recBuf.at(xPosC, yPosC), channelBitDepth));//to be checked
     }
   }
 }
@@ -1849,8 +1838,8 @@ void IntraSearch::derivePLTLossy(CodingStructure& cs, Partitioner& partitioner,
   const int pcmShiftRight_L = (channelBitDepth_L - PLT_ENCBITDEPTH);
   const int pcmShiftRight_C = (channelBitDepth_C - PLT_ENCBITDEPTH);
 
-  uint32_t uiHeight = cu.block(compBegin).height;
-  uint32_t uiWidth = cu.block(compBegin).width;
+  uint32_t height = cu.block(compBegin).height;
+  uint32_t width = cu.block(compBegin).width;
 
   CPelBuf   orgBuf[3];
   for (int comp = compBegin; comp < (compBegin + numComp); comp++)
@@ -1866,36 +1855,35 @@ void IntraSearch::derivePLTLossy(CodingStructure& cs, Partitioner& partitioner,
     }
   }
 
-  int iErrorLimit = g_uhPLTQuant[cu.qp];
-
-  uint32_t uiTotalSize = uiHeight*uiWidth;
-  SortingElement *psList = new SortingElement[uiTotalSize];
-  SortingElement sElement;
-  uint32_t uiDictMaxSize = MAXPLTSIZE;
-  SortingElement *pListSort = new SortingElement[MAXPLTSIZE + 1];
-  uint32_t uiIdx = 0;
+  int errorLimit = g_uhPLTQuant[cu.qp];
+  uint32_t totalSize = height*width;
+  SortingElement *pelList = new SortingElement[totalSize];
+  SortingElement  element;
+  SortingElement *pelListSort = new SortingElement[MAXPLTSIZE + 1];
+  uint32_t dictMaxSize = MAXPLTSIZE; 
+  uint32_t idx = 0;
   int last = -1;
 
   uint32_t scaleX = getComponentScaleX(COMPONENT_Cb, cs.sps->getChromaFormatIdc());
   uint32_t scaleY = getComponentScaleY(COMPONENT_Cb, cs.sps->getChromaFormatIdc());
-  for (uint32_t uiY = 0; uiY < uiHeight; uiY++)
+  for (uint32_t y = 0; y < height; y++)
   {
-    for (uint32_t uiX = 0; uiX < uiWidth; uiX++)
+    for (uint32_t x = 0; x < width; x++)
     {
-      uint32_t paOrig[3], pX, pY;
+      uint32_t org[3], pX, pY;
       for (int comp = compBegin; comp < (compBegin + numComp); comp++)
       {
-        pX = (comp > 0 && compBegin == COMPONENT_Y) ? (uiX >> scaleX) : uiX;
-        pY = (comp > 0 && compBegin == COMPONENT_Y) ? (uiY >> scaleY) : uiY;
-        paOrig[comp] = orgBuf[comp].at(pX, pY);
+        pX = (comp > 0 && compBegin == COMPONENT_Y) ? (x >> scaleX) : x;
+        pY = (comp > 0 && compBegin == COMPONENT_Y) ? (y >> scaleY) : y;
+        org[comp] = orgBuf[comp].at(pX, pY);
       }
-      sElement.setAll(paOrig, compBegin, numComp);
-      int besti = last, bestSAD = (last == -1) ? MAX_UINT : psList[last].getSAD(sElement, cs.sps->getBitDepths(), compBegin, numComp);
+      element.setAll(org, compBegin, numComp);
+      int besti = last, bestSAD = (last == -1) ? MAX_UINT : pelList[last].getSAD(element, cs.sps->getBitDepths(), compBegin, numComp);
       if (bestSAD)
       {
-        for (int i = uiIdx - 1; i >= 0; i--)
+        for (int i = idx - 1; i >= 0; i--)
         {
-          uint32_t sad = psList[i].getSAD(sElement, cs.sps->getBitDepths(), compBegin, numComp);
+          uint32_t sad = pelList[i].getSAD(element, cs.sps->getBitDepths(), compBegin, numComp);
           if (sad < bestSAD)
           {
             bestSAD = sad;
@@ -1904,51 +1892,51 @@ void IntraSearch::derivePLTLossy(CodingStructure& cs, Partitioner& partitioner,
           }
         }
       }
-      if (besti >= 0 && psList[besti].almostEqualData(sElement, iErrorLimit, cs.sps->getBitDepths(), compBegin, numComp))
+      if (besti >= 0 && pelList[besti].almostEqualData(element, errorLimit, cs.sps->getBitDepths(), compBegin, numComp))
       {
-        psList[besti].addElement(sElement, compBegin, numComp);
+        pelList[besti].addElement(element, compBegin, numComp);
         last = besti;
       }
       else
       {
-        psList[uiIdx].copyDataFrom(sElement, compBegin, numComp);
-        psList[uiIdx].uiCnt = 1;
-        last = uiIdx;
-        uiIdx++;
+        pelList[idx].copyDataFrom(element, compBegin, numComp);
+        pelList[idx].cnt = 1;
+        last = idx;
+        idx++;
       }
     }
   }
 
-  for (int i = 0; i < uiDictMaxSize; i++)
+  for (int i = 0; i < dictMaxSize; i++)
   {
-    pListSort[i].uiCnt = 0;
-    pListSort[i].resetAll(compBegin, numComp);
+    pelListSort[i].cnt = 0;
+    pelListSort[i].resetAll(compBegin, numComp);
   }
 
   //bubble sorting
-  uiDictMaxSize = 1;
-  for (int i = 0; i < uiIdx; i++)
+  dictMaxSize = 1;
+  for (int i = 0; i < idx; i++)
   {
-    if (psList[i].uiCnt > pListSort[uiDictMaxSize - 1].uiCnt)
+    if (pelList[i].cnt > pelListSort[dictMaxSize - 1].cnt)
     {
       int j;
-      for (j = uiDictMaxSize; j > 0; j--)
+      for (j = dictMaxSize; j > 0; j--)
       {
-        if (psList[i].uiCnt > pListSort[j - 1].uiCnt)
+        if (pelList[i].cnt > pelListSort[j - 1].cnt)
         {
-          pListSort[j].copyAllFrom(pListSort[j - 1], compBegin, numComp);
-          uiDictMaxSize = std::min(uiDictMaxSize + 1, (uint32_t)MAXPLTSIZE);
+          pelListSort[j].copyAllFrom(pelListSort[j - 1], compBegin, numComp);
+          dictMaxSize = std::min(dictMaxSize + 1, (uint32_t)MAXPLTSIZE);
         }
         else
         {
           break;
         }
       }
-      pListSort[j].copyAllFrom(psList[i], compBegin, numComp);
+      pelListSort[j].copyAllFrom(pelList[i], compBegin, numComp);
     }
   }
 
-  uint32_t uiPLTSize = 0;
+  uint32_t paletteSize = 0;
   uint64_t numColorBits = 0;
   for (int comp = compBegin; comp < (compBegin + numComp); comp++)
   {
@@ -1958,26 +1946,26 @@ void IntraSearch::derivePLTLossy(CodingStructure& cs, Partitioner& partitioner,
   double bitCost = m_pcRdCost->getLambda()*numColorBits;
   for (int i = 0; i < MAXPLTSIZE; i++)
   {
-    if (pListSort[i].uiCnt)
+    if (pelListSort[i].cnt)
     {
-      int iHalf = pListSort[i].uiCnt >> 1;
+      int half = pelListSort[i].cnt >> 1;
       for (int comp = compBegin; comp < (compBegin + numComp); comp++)
       {
-        cu.curPLT[comp][uiPLTSize] = (pListSort[i].uiSumData[comp] + iHalf) / pListSort[i].uiCnt;
+        cu.curPLT[comp][paletteSize] = (pelListSort[i].sumData[comp] + half) / pelListSort[i].cnt;
       }
 
       int best = -1;
-      if (iErrorLimit)
+      if (errorLimit)
       {
         double pal[MAX_NUM_COMPONENT], err = 0.0, bestCost = 0.0;
         for (int comp = compBegin; comp < (compBegin + numComp); comp++)
         {
           const int shift = (comp > 0) ? pcmShiftRight_C : pcmShiftRight_L;
-          pal[comp] = pListSort[i].uiSumData[comp] / (double)pListSort[i].uiCnt;
-          err = pal[comp] - cu.curPLT[comp][uiPLTSize];
+          pal[comp] = pelListSort[i].sumData[comp] / (double)pelListSort[i].cnt;
+          err = pal[comp] - cu.curPLT[comp][paletteSize];
           bestCost += (err*err) / (1 << (2 * shift));
         }
-        bestCost = bestCost * pListSort[i].uiCnt + bitCost;
+        bestCost = bestCost * pelListSort[i].cnt + bitCost;
 
         for (int t = 0; t < cs.prevPLT.curPLTSize[compBegin]; t++)
         {
@@ -1988,7 +1976,7 @@ void IntraSearch::derivePLTLossy(CodingStructure& cs, Partitioner& partitioner,
             err = pal[comp] - cs.prevPLT.curPLT[comp][t];
             cost += (err*err) / (1 << (2 * shift));
           }
-          cost *= pListSort[i].uiCnt;
+          cost *= pelListSort[i].cnt;
           if (cost < bestCost)
           {
             best = t;
@@ -1999,43 +1987,43 @@ void IntraSearch::derivePLTLossy(CodingStructure& cs, Partitioner& partitioner,
         {
           for (int comp = compBegin; comp < (compBegin + numComp); comp++)
           {
-            cu.curPLT[comp][uiPLTSize] = cs.prevPLT.curPLT[comp][best];
+            cu.curPLT[comp][paletteSize] = cs.prevPLT.curPLT[comp][best];
           }
         }
       }
 
-      bool bDuplicate = false;
-      if (pListSort[i].uiCnt == 1 && best == -1)
+      bool duplicate = false;
+      if (pelListSort[i].cnt == 1 && best == -1)
       {
-        bDuplicate = true;
+        duplicate = true;
       }
       else
       {
-        for (int t = 0; t<uiPLTSize; t++)
+        for (int t = 0; t<paletteSize; t++)
         {
-          bool bDuplicateTmp = true;
+          bool duplicateTmp = true;
           for (int comp = compBegin; comp < (compBegin + numComp); comp++)
           {
-            bDuplicateTmp = bDuplicateTmp && (cu.curPLT[comp][uiPLTSize] == cu.curPLT[comp][t]);
+            duplicateTmp = duplicateTmp && (cu.curPLT[comp][paletteSize] == cu.curPLT[comp][t]);
           }
-          if (bDuplicateTmp)
+          if (duplicateTmp)
           {
-            bDuplicate = true;
+            duplicate = true;
             break;
           }
         }
       }
-      if (!bDuplicate) uiPLTSize++;
+      if (!duplicate) paletteSize++;
     }
     else
     {
       break;
     }
   }
-  cu.curPLTSize[compBegin] = uiPLTSize;
+  cu.curPLTSize[compBegin] = paletteSize;
 
-  delete[] psList;
-  delete[] pListSort;
+  delete[] pelList;
+  delete[] pelListSort;
 }
 #endif
 // -------------------------------------------------------------------------------------------------------------------
diff --git a/source/Lib/EncoderLib/IntraSearch.h b/source/Lib/EncoderLib/IntraSearch.h
index b2de527051f30eb9a09e229a4bf0ceb245d7509f..f7d5b46fbcce9ca76f7cc7c39c7d3d8cd123c451 100644
--- a/source/Lib/EncoderLib/IntraSearch.h
+++ b/source/Lib/EncoderLib/IntraSearch.h
@@ -68,89 +68,89 @@ enum PLTScanMode
 class SortingElement
 {
 public:
-  uint32_t uiCnt;
-  int uiData[3];
-  int uiShift, uiLastCnt, uiSumData[3];
+  uint32_t cnt;
+  int data[3];
+  int shift, lastCnt, sumData[3];
   inline bool operator<(const SortingElement &other) const
   {
-    return uiCnt > other.uiCnt;
+    return cnt > other.cnt;
   }
   SortingElement() {
-    uiCnt = uiShift = uiLastCnt = 0;
-    uiData[0] = uiData[1] = uiData[2] = 0;
-    uiSumData[0] = uiSumData[1] = uiSumData[2] = 0;
+    cnt = shift = lastCnt = 0;
+    data[0] = data[1] = data[2] = 0;
+    sumData[0] = sumData[1] = sumData[2] = 0;
   }
   void resetAll(ComponentID compBegin, uint32_t numComp) {
-    uiShift = uiLastCnt = 0;
+    shift = lastCnt = 0;
     for (int ch = compBegin; ch < (compBegin + numComp); ch++)
     {
-      uiData[ch] = 0;
-      uiSumData[ch] = 0;
+      data[ch] = 0;
+      sumData[ch] = 0;
     }
   }
   void setAll(uint32_t* ui, ComponentID compBegin, uint32_t numComp) {
     for (int ch = compBegin; ch < (compBegin + numComp); ch++)
     {
-      uiData[ch] = ui[ch];
+      data[ch] = ui[ch];
     }
   }
-  bool almostEqualData(SortingElement sElement, int iErrorLimit, const BitDepths& bitDepths, ComponentID compBegin, uint32_t numComp)
+  bool almostEqualData(SortingElement element, int errorLimit, const BitDepths& bitDepths, ComponentID compBegin, uint32_t numComp)
   {
-    bool bAlmostEqual = true;
+    bool almostEqual = true;
     for (int comp = compBegin; comp < (compBegin + numComp); comp++)
     {
       ChannelType chType = (comp > 0) ? CHANNEL_TYPE_CHROMA : CHANNEL_TYPE_LUMA;
-      if ((std::abs(uiData[comp] - sElement.uiData[comp]) >> (bitDepths.recon[chType] - PLT_ENCBITDEPTH)) > iErrorLimit)
+      if ((std::abs(data[comp] - element.data[comp]) >> (bitDepths.recon[chType] - PLT_ENCBITDEPTH)) > errorLimit)
       {
-        bAlmostEqual = false;
+        almostEqual = false;
         break;
       }
     }
-    return bAlmostEqual;
+    return almostEqual;
   }
-  uint32_t getSAD(SortingElement sElement, const BitDepths& bitDepths, ComponentID compBegin, uint32_t numComp)
+  uint32_t getSAD(SortingElement element, const BitDepths& bitDepths, ComponentID compBegin, uint32_t numComp)
   {
-    uint32_t uiSAD = 0;
+    uint32_t sumAd = 0;
     for (int comp = compBegin; comp < (compBegin + numComp); comp++)
     {
       ChannelType chType = (comp > 0) ? CHANNEL_TYPE_CHROMA : CHANNEL_TYPE_LUMA;
-      uiSAD += (std::abs(uiData[comp] - sElement.uiData[comp]) >> (bitDepths.recon[chType] - PLT_ENCBITDEPTH));
+      sumAd += (std::abs(data[comp] - element.data[comp]) >> (bitDepths.recon[chType] - PLT_ENCBITDEPTH));
     }
-    return uiSAD;
+    return sumAd;
   }
-  void copyDataFrom(SortingElement sElement, ComponentID compBegin, uint32_t numComp) {
+  void copyDataFrom(SortingElement element, ComponentID compBegin, uint32_t numComp) {
     for (int comp = compBegin; comp < (compBegin + numComp); comp++)
     {
-      uiData[comp] = sElement.uiData[comp];
-      uiSumData[comp] = uiData[comp];
+      data[comp] = element.data[comp];
+      sumData[comp] = data[comp];
     }
-    uiShift = 0; uiLastCnt = 1;
+    shift = 0; lastCnt = 1;
   }
-  void copyAllFrom(SortingElement sElement, ComponentID compBegin, uint32_t numComp) {
-    copyDataFrom(sElement, compBegin, numComp);
-    uiCnt = sElement.uiCnt;
+  void copyAllFrom(SortingElement element, ComponentID compBegin, uint32_t numComp) {
+    copyDataFrom(element, compBegin, numComp);
+    cnt = element.cnt;
     for (int comp = compBegin; comp < (compBegin + numComp); comp++)
     {
-      uiSumData[comp] = sElement.uiSumData[comp];
+      sumData[comp] = element.sumData[comp];
     }
-    uiLastCnt = sElement.uiLastCnt; uiShift = sElement.uiShift;
+    lastCnt = element.lastCnt; shift = element.shift;
   }
-  void addElement(const SortingElement& sElement, ComponentID compBegin, uint32_t numComp)
+  void addElement(const SortingElement& element, ComponentID compBegin, uint32_t numComp)
   {
-    uiCnt++;
+    cnt++;
     for (int i = compBegin; i<(compBegin + numComp); i++)
     {
-      uiSumData[i] += sElement.uiData[i];
+      sumData[i] += element.data[i];
     }
-    if (uiCnt>1 && uiCnt == 2 * uiLastCnt)
+    if (cnt>1 && cnt == 2 * lastCnt)
     {
-      uint32_t uiRnd = 1 << uiShift;
-      uiShift++;
+      uint32_t rnd = 1 << shift;
+      shift++;
       for (int i = compBegin; i<(compBegin + numComp); i++)
       {
-        uiData[i] = (uiSumData[i] + uiRnd) >> uiShift;
+        data[i] = (sumData[i] + rnd) >> shift;
       }
-      uiLastCnt = uiCnt;
+      lastCnt = cnt;
     }
   }
 };
@@ -251,7 +251,7 @@ public:
   void IPCMSearch                 (CodingStructure &cs, Partitioner& partitioner);
 #if JVET_O0119_BASE_PALETTE_444
   void PLTSearch                  ( CodingStructure &cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp);
-  void deriveRunAndCalcBits       ( CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp, PLTScanMode pltScanMode, uint64_t& uiBits);
+  void deriveRunAndCalcBits       ( CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp, PLTScanMode pltScanMode, uint64_t& bits);
 #endif
   uint64_t xFracModeBitsIntra     (PredictionUnit &pu, const uint32_t &uiMode, const ChannelType &compID);
 
@@ -292,9 +292,9 @@ protected:
 #if JVET_O0119_BASE_PALETTE_444
   void   deriveRun(CodingStructure &cs, Partitioner& partitioner, ComponentID compBegin);
   double getRunBits(const CodingUnit&  cu, uint32_t run, uint32_t strPos, PLTRunMode paletteRunMode, uint64_t* indexBits, uint64_t* runBits, ComponentID compBegin);
-  void       derivePLTLossy(CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp);
-  void       calcPixelPred(CodingStructure& cs, Partitioner& partitioner, uint32_t uiY, uint32_t uiX, ComponentID compBegin, uint32_t numComp);
-  void       preCalcPLTIndex(CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp);
+  void   derivePLTLossy(CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp);
+  void   calcPixelPred(CodingStructure& cs, Partitioner& partitioner, uint32_t yPos, uint32_t xPos, ComponentID compBegin, uint32_t numComp);
+  void   preCalcPLTIndex(CodingStructure& cs, Partitioner& partitioner, ComponentID compBegin, uint32_t numComp);
 #endif
 };// END CLASS DEFINITION EncSearch