[x265] [PATCH 3 of 4] Check against numRows in applyweight

[shazeb at multicorewareinc.com]

# HG changeset patch
# User Shazeb Nawaz Khan <shazeb at multicorewareinc.com>
# Date 1381231599 -19800
#      Tue Oct 08 16:56:39 2013 +0530
# Node ID 18a5d7c3464d1a3fa98afa95a0fe7a8894bcd3d2
# Parent  70e6c0cd3f961f89b53106da3da7a28aaaddd63b
Check against numRows in applyweight

applyWeight() processes rows a 'refLag' number of rows in advance as compared to the current iteration in compressCTURows()

diff -r 70e6c0cd3f96 -r 18a5d7c3464d source/common/reference.cpp
--- a/source/common/reference.cpp	Tue Oct 08 16:52:07 2013 +0530
+++ b/source/common/reference.cpp	Tue Oct 08 16:56:39 2013 +0530
@@ -91,6 +91,10 @@
 
 void MotionReference::applyWeight(TComPic* ref, int rows, int numRows)
 {
+    if(rows >= numRows)
+    {
+        return;
+    }
     TComPicYuv* pic = ref->getPicYuvRec();
     int marginX = pic->m_lumaMarginX;
     int marginY = pic->m_lumaMarginY;