[x265] [PATCH] TComRdCost::xGetSAD4 cleanup

[praveen at multicorewareinc.com]

# HG changeset patch
# User praveentiwari
# Date 1373617223 -19800
# Node ID 7b90015331bc5737771fad71d24fa4c5549431c5
# Parent  f3b49b4bc2446a75de68f46f4e5b8c15295d9d8f
TComRdCost::xGetSAD4 cleanup

diff -r f3b49b4bc244 -r 7b90015331bc source/Lib/TLibCommon/TComRdCost.cpp
--- a/source/Lib/TLibCommon/TComRdCost.cpp	Fri Jul 12 13:00:56 2013 +0530
+++ b/source/Lib/TLibCommon/TComRdCost.cpp	Fri Jul 12 13:50:23 2013 +0530
@@ -228,35 +228,35 @@
     return sum >> DISTORTION_PRECISION_ADJUSTMENT(distParam->bitDepth - 8);
 }
 
-UInt TComRdCost::xGetSAD4(DistParam* pcDtParam)
+UInt TComRdCost::xGetSAD4(DistParam* distParam)
 {
-    if (pcDtParam->applyWeight)
+    if (distParam->applyWeight)
     {
-        return xGetSADw(pcDtParam);
+        return xGetSADw(distParam);
     }
 
-    Pel* piOrg   = pcDtParam->fenc;
-    Pel* piCur   = pcDtParam->fref;
-    Int  iRows   = pcDtParam->rows;
-    Int  iSubShift  = pcDtParam->subShift;
-    Int  iSubStep   = (1 << iSubShift);
-    Int  iStrideCur = pcDtParam->frefstride * iSubStep;
-    Int  iStrideOrg = pcDtParam->fencstride * iSubStep;
-    UInt uiSum = 0;
+    Pel* org   = distParam->fenc;
+    Pel* cur   = distParam->fref;
+    Int  rows   = distParam->rows;
+    Int  shift  = distParam->subShift;
+    Int  step   = (1 << shift);
+    Int  strideCur = distParam->frefstride * step;
+    Int  strideOrg = distParam->fencstride * step;
+    UInt sum = 0;
 
-    for (; iRows != 0; iRows -= iSubStep)
+    for (; rows != 0; rows -= step)
     {
-        uiSum += abs(piOrg[0] - piCur[0]);
-        uiSum += abs(piOrg[1] - piCur[1]);
-        uiSum += abs(piOrg[2] - piCur[2]);
-        uiSum += abs(piOrg[3] - piCur[3]);
+        sum += abs(org[0] - cur[0]);
+        sum += abs(org[1] - cur[1]);
+        sum += abs(org[2] - cur[2]);
+        sum += abs(org[3] - cur[3]);
 
-        piOrg += iStrideOrg;
-        piCur += iStrideCur;
+        org += strideOrg;
+        cur += strideCur;
     }
 
-    uiSum <<= iSubShift;
-    return uiSum >> DISTORTION_PRECISION_ADJUSTMENT(pcDtParam->bitDepth - 8);
+    sum <<= shift;
+    return sum >> DISTORTION_PRECISION_ADJUSTMENT(distParam->bitDepth - 8);
 }
 
 UInt TComRdCost::xGetSAD8(DistParam* pcDtParam)