[x265] [PATCH] analysis: respect X265_REF_LIMIT_DEPTH with RD 5/6

[ashok at multicorewareinc.com]

# HG changeset patch
# User Ashok Kumar Mishra<ashok at multicorewareinc.com>
# Date 1432566054 -19800
#      Mon May 25 20:30:54 2015 +0530
# Node ID 16dcf6bf3b8545cd6e0f9c0b837f6764048930af
# Parent  ca1805a61c2a93244aaea2d10d85d16add1ab4b1
analysis: respect X265_REF_LIMIT_DEPTH with RD 5/6

diff -r ca1805a61c2a -r 16dcf6bf3b85 source/encoder/analysis.cpp
--- a/source/encoder/analysis.cpp	Mon May 25 20:30:54 2015 +0530
+++ b/source/encoder/analysis.cpp	Mon May 25 20:30:54 2015 +0530
@@ -1357,7 +1357,9 @@
 
        /* determine which motion references the parent CU should search */
     uint32_t refMask;
-    if (md.bestMode == &md.pred[PRED_SPLIT])
+    if (!(m_param->limitReferences & X265_REF_LIMIT_DEPTH))
+        refMask = 0;
+    else if (md.bestMode == &md.pred[PRED_SPLIT])
         refMask = allSplitRefs;
     else
     {