commit 5d934061cb5e9319e90be06acd19fa5f4d4bc8e5
author Yunqing Wang <yunqingwang@google.com> Mon Jul 29 20:04:20 2019 -0700
committer Yunqing Wang <yunqingwang@google.com> Tue Jul 30 18:08:59 2019 +0000
tree b47bb88a0c36c741c81b38b6b43b2e7c20af3ba1
parent 895efa7a877af3d597d13f6b9f4034d33eaf6c49

Adjust subpel search feature at speed 3

Used SUBPEL_TREE_PRUNED subpel search at speed 3.
Borg test result:
         avg_psnr:   ovr_psnr:   ssim:
midres:   0.116        0.107     0.208
lowres:   0.124        0.134     0.287

Average speedup over whole midres set is 3.9%.

STATS_CHANGED

Change-Id: I202a2081eee5074cac213b0574785daa953933f9

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 4fc4271..e178323 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -347,6 +347,7 @@
     // use_intra_txb_hash, use_inter_txb_hash and use_mb_rd_hash speed features
     sf->enable_winner_mode_for_coeff_opt = 1;
     sf->reduce_wiener_window_size = is_boosted_arf2_bwd_type ? 0 : 1;
+    sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED;
   }
 
   if (speed >= 4) {