[x265] [PATCH] frameencoder: increase refLagRows by one when subme has multiple hpel iteration steps

[santhoshini at multicorewareinc.com]

# HG changeset patch
# User Santhoshini Sekar<santhoshini at multicorewareinc.com>
# Date 1427869853 -19800
#      Wed Apr 01 12:00:53 2015 +0530
# Node ID 721439fe1542acc7cbe846fbf353eaa818fd209d
# Parent  ac85c775620f1dcb0df056874633cbf916098bd2
frameencoder: increase refLagRows by one when subme has multiple hpel iteration steps

diff -r ac85c775620f -r 721439fe1542 source/encoder/frameencoder.cpp
--- a/source/encoder/frameencoder.cpp	Tue Mar 31 20:04:28 2015 -0500
+++ b/source/encoder/frameencoder.cpp	Wed Apr 01 12:00:53 2015 +0530
@@ -112,9 +112,10 @@
     bool ok = !!m_numRows;
 
     int range  = m_param->searchRange; /* fpel search */
-        range += 1;                    /* diamond search range check lag */
-        range += 2;                    /* subpel refine */
-        range += NTAPS_LUMA / 2;       /* subpel filter half-length */
+    range += 1;                    /* diamond search range check lag */
+    range += 2;                    /* subpel refine */
+    range += NTAPS_LUMA / 2;       /* subpel filter half-length */
+    range += !!(MotionEstimate::hpelIterationCount(m_param->subpelRefine) > 1);
     m_refLagRows = 1 + ((range + g_maxCUSize - 1) / g_maxCUSize);
 
     // NOTE: 2 times of numRows because both Encoder and Filter in same queue
diff -r ac85c775620f -r 721439fe1542 source/encoder/motion.cpp
--- a/source/encoder/motion.cpp	Tue Mar 31 20:04:28 2015 -0500
+++ b/source/encoder/motion.cpp	Wed Apr 01 12:00:53 2015 +0530
@@ -149,6 +149,11 @@
 #undef SETUP_SCALE
 }
 
+int MotionEstimate::hpelIterationCount(int subpelRefine)
+{
+    return workload[subpelRefine].hpel_iters;
+}
+
 MotionEstimate::~MotionEstimate()
 {
     fencPUYuv.destroy();
diff -r ac85c775620f -r 721439fe1542 source/encoder/motion.h
--- a/source/encoder/motion.h	Tue Mar 31 20:04:28 2015 -0500
+++ b/source/encoder/motion.h	Wed Apr 01 12:00:53 2015 +0530
@@ -68,6 +68,7 @@
     ~MotionEstimate();
 
     static void initScales();
+    static int hpelIterationCount(int subpelRefine);
     void init(int method, int refine, int csp);
 
     /* Methods called at slice setup */