commit 9a1a8f1d8e99458edbf38b6ba59215e12eb8bbed
author Jingning Han <jingning@google.com> Wed Apr 13 15:48:54 2016 -0700
committer Jingning Han <jingning@google.com> Wed Apr 13 15:51:36 2016 -0700
tree 3084b6a9a98eaffd0349a5c98ec52e0054a3c26d
parent f33a0a8215966649d60c71133cfc43eaf68df9be

Speed up dynamic motion vector referencing system

Skip transform type search in modes with ref_mv_idx > 0. This
brings down the additional encoding time cost due to the DMR system
from 32% to 17%, at minimal coding performance regression.

Change-Id: Ie82e1d2831a313c6f1e47f7da221b51345023eb3

vp10/encoder/rdopt.c

diff --git a/vp10/encoder/rdopt.c b/vp10/encoder/rdopt.c
index a986c4b..46eb115 100644
--- a/vp10/encoder/rdopt.c
+++ b/vp10/encoder/rdopt.c
@@ -1658,6 +1658,10 @@
   *psse       = INT64_MAX;
 
   for (tx_type = DCT_DCT; tx_type < TX_TYPES; ++tx_type) {
+#if CONFIG_REF_MV
+    if (tx_type != DCT_DCT && is_inter && mbmi->ref_mv_idx > 0)
+      continue;
+#endif
     rd = choose_tx_size_fix_type(cpi, x, &r, &d, &s, &sse, ref_best_rd, bs,
                                  tx_type, prune);
     if (rd < (is_inter && best_tx_type == DCT_DCT ? ext_tx_th : 1) * best_rd) {