<div dir="ltr"><div class="gmail_extra">Pushed to default branch</div><div class="gmail_extra">Pradeep.</div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 29, 2017 at 1:15 PM, Ashok Kumar Mishra <span dir="ltr"><<a href="mailto:ashok@multicorewareinc.com" target="_blank">ashok@multicorewareinc.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Can be pushed.</div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jun 28, 2017 at 10:14 PM, Ximing Cheng <span dir="ltr"><<a href="mailto:chengximing1989@foxmail.com" target="_blank">chengximing1989@foxmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"># HG changeset patch<br>
# User Ximing Cheng <<a href="mailto:ximingcheng@tencent.com" target="_blank">ximingcheng@tencent.com</a>><br>
# Date 1498668227 -28800<br>
#      Thu Jun 29 00:43:47 2017 +0800<br>
# Node ID 0bb8e464147ac932c7432166321621<wbr>4969a079ac<br>
# Parent  fa076d29d6191699e314484a94dcae<wbr>472e9c102a<br>
sao: remove duplicate calculation on BO cost<br>
<br>
diff -r fa076d29d619 -r 0bb8e464147a source/encoder/sao.cpp<br>
--- a/source/encoder/sao.cpp    Tue Jun 27 16:41:11 2017 +0530<br>
+++ b/source/encoder/sao.cpp    Thu Jun 29 00:43:47 2017 +0800<br>
@@ -1553,14 +1553,17 @@<br>
     }<br>
<br>
     // Estimate Best Position<br>
-    int64_t bestRDCostBO = MAX_INT64;<br>
     int32_t bestClassBO  = 0;<br>
+    int64_t currentRDCost = costClasses[0];<br>
+    currentRDCost += costClasses[1];<br>
+    currentRDCost += costClasses[2];<br>
+    currentRDCost += costClasses[3];<br>
+    int64_t bestRDCostBO = currentRDCost;<br>
<br>
-    for (int i = 0; i < MAX_NUM_SAO_CLASS - SAO_NUM_OFFSET + 1; i++)<br>
+    for (int i = 1; i < MAX_NUM_SAO_CLASS - SAO_NUM_OFFSET + 1; i++)<br>
     {<br>
-        int64_t currentRDCost = 0;<br>
-        for (int j = i; j < i + SAO_NUM_OFFSET; j++)<br>
-            currentRDCost += costClasses[j];<br>
+        currentRDCost -= costClasses[i - 1];<br>
+        currentRDCost += costClasses[i + 3];<br>
<br>
         if (currentRDCost < bestRDCostBO)<br>
         {<br>
<br>
<br>
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</blockquote></div><br></div>
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<br></blockquote></div><br></div></div>