commit cbb988fb6166fd051fd7231d6d53c92ea7febe91
author Venkat <sanampudi.venkatarao@ittiam.com> Sat Jan 19 13:04:44 2019 +0530
committer Venkat <sanampudi.venkatarao@ittiam.com> Mon Jan 21 18:33:20 2019 +0530
tree f05aea01440dd14dbf206bdb63f2514969941c2e
parent b46542180d551d5e4eb666cf35dd62395ba43f3e

Refine use_transform_domain_distortion for speeds 3,4

For speed = 3 and 4 presets, BD-rate impact is seen as -0.01% and 0.02% (as per AWCY runs),
with encode time reduction of 1.21% and 0.85% (averaged across multiple test cases).

STATS_CHANGED

Change-Id: I1d32c2526527274789a3ef2a521c2e3aef0200c7

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 19bf4ce..b02e8a6 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -322,7 +322,7 @@
     // See aomedia:1778.
     // sf->adaptive_motion_search = 1;
     sf->recode_loop = ALLOW_RECODE_KFARFGF;
-    sf->use_transform_domain_distortion = 1;
+    sf->use_transform_domain_distortion = boosted ? 1 : 2;
     sf->use_accurate_subpel_search = USE_2_TAPS;
     sf->adaptive_rd_thresh = 2;
     sf->tx_type_search.prune_mode = PRUNE_2D_FAST;