[x265] [PATCH] rc: fix bug in ABR 2 pass, calculate aq-offset only for unreferenced frame in 2 pass

[santhoshini at multicorewareinc.com]

# HG changeset patch
# User Santhoshini Sekar<santhoshini at multicorewareinc.com>
# Date 1427716771 -19800
#      Mon Mar 30 17:29:31 2015 +0530
# Node ID 1bdeb44d775d5be7523925017a1483294da2575d
# Parent  22a312799bb033d40a66fc83a1ac7af192ce2420
rc: fix bug in ABR 2 pass, calculate aq-offset only for unreferenced frame in 2 pass

diff -r 22a312799bb0 -r 1bdeb44d775d source/encoder/slicetype.cpp
--- a/source/encoder/slicetype.cpp	Fri Mar 27 22:59:30 2015 -0500
+++ b/source/encoder/slicetype.cpp	Mon Mar 30 17:29:31 2015 +0530
@@ -699,7 +699,7 @@
             ProfileScopeEvent(prelookahead);
 
             preFrame->m_lowres.init(preFrame->m_fencPic, preFrame->m_poc);
-            if (m_bAdaptiveQuant)
+            if (m_bAdaptiveQuant && (!m_param->rc.bStatRead ||(m_param->rc.bStatRead &&(!m_param->rc.cuTree || ! IS_REFERENCED(preFrame)))))
                 m_tld[tld].calcAdaptiveQuantFrame(preFrame, m_param);
             m_tld[tld].lowresIntraEstimate(preFrame->m_lowres);