[x265] [PATCH] SAO_EO_2: sign asm code integration

[praveen at multicorewareinc.com]

# HG changeset patch
# User Praveen Tiwari
# Date 1420200336 -19800
# Node ID 3de607b1444b0accf78a554ef2c1226b7cb13e5b
# Parent  1629b8b3c5961dd50f458d44a30ae7c90fd15898
SAO_EO_2: sign asm code integration

diff -r 1629b8b3c596 -r 3de607b1444b source/encoder/sao.cpp
--- a/source/encoder/sao.cpp	Wed Dec 24 18:27:46 2014 +0530
+++ b/source/encoder/sao.cpp	Fri Jan 02 17:35:36 2015 +0530
@@ -358,8 +358,29 @@
         if (!tpely)
             rec += stride;
 
-        for (x = startX; x < endX; x++)
-            upBuff1[x] = signOf(rec[x] - tmpU[x - 1]);
+        if (!(ctuWidth & 15))
+        {
+            pixel firstPxl, lastPxl;
+
+            if (!lpelx)
+                firstPxl = upBuff1[0];
+
+            if (rpelx == picWidth)
+                lastPxl = upBuff1[ctuWidth - 1];
+
+            primitives.sign(upBuff1, rec, &tmpU[- 1], ctuWidth);
+
+            if (!lpelx)
+                upBuff1[0] = firstPxl;
+
+            if (rpelx == picWidth)
+                upBuff1[ctuWidth - 1] = lastPxl;
+        }
+        else
+        {
+            for (x = startX; x < endX; x++)
+                upBuff1[x] = signOf(rec[x] - tmpU[x - 1]);
+        }
 
         for (y = startY; y < endY; y++)
         {