commit 80455356cc02d25c8ae935c4d2f1b898cacfcad6
author Marco Paniconi <marpan@google.com> Thu Sep 15 10:52:05 2022 -0700
committer Marco Paniconi <marpan@google.com> Thu Sep 15 19:11:27 2022 +0000
tree cb35f7d91eb513a4829318a056e47cf334dd1e5d
parent d0f060b44ae8766cda65ee055011a668da0a1682

rtc-screen: Disable altref as reference frame for screen

For video mode the altref as single reference is enabled for
speed 7, and for speed 8 on 360p and larger. These settings
are then inherited for screen.

This fix explicitly disables altref for all speeds for screen.
This fixes a ~5% speed regression for screen speed 7/8, caused by:
https://aomedia-review.googlesource.com/c/aom/+/162783

Change-Id: I00378f97bd76271d35bc08d268cf5211b957084e

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index c94db3f..998785f 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -1422,6 +1422,7 @@
       sf->rt_sf.screen_content_cdef_filter_qindex_thresh = 80;
       sf->rt_sf.part_early_exit_zeromv = 1;
     }
+    sf->rt_sf.use_nonrd_altref_frame = 0;
     sf->rt_sf.skip_cdef_sb = 1;
     sf->rt_sf.use_rtc_tf = 0;
     sf->rt_sf.use_comp_ref_nonrd = 0;