commit f432772c155159706a8da1d1c4a764f0c06a06c9
author Fyodor Kyslov <kyslov@google.com> Fri Apr 10 18:24:34 2020 -0700
committer Fyodor Kyslov <kyslov@google.com> Mon Apr 13 20:16:00 2020 +0000
tree 4ac59c1b426ac3edb9cfba697627e13ee6a8af3e
parent 207a43fe1c8ac453b8de65e92829789d27bdc57d

AV1 RT: Use block_yrd on speed 8 on lowres

Using modeled rd for speed 8 leads to 2% BDRate loss on lowres (with
some clips 6.2% BDRate loss and gives ~5% speed up on 40kbps on x86
machine. Looks like BDRate loss is excessive for the given speed up
hence turning this feature off

Change-Id: I61e5474aa39051bbf455395aee43fdaa64ea81a8

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 5fdb7c8..0e2e55a 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -250,7 +250,10 @@
 
   if (!is_360p_or_larger) {
     if (speed >= 6) sf->rt_sf.force_tx_search_off = 1;
-    if (speed >= 8) sf->rt_sf.use_nonrd_filter_search = 0;
+    if (speed >= 8) {
+      sf->rt_sf.use_modeled_non_rd_cost = 0;
+      sf->rt_sf.use_nonrd_filter_search = 0;
+    }
   }
   if (is_360p_or_larger) {
     if (speed >= 7) {