commit 49851be72922499c491997fee855ceb7721c7a4a
author Marco Paniconi <marpan@google.com> Wed Aug 18 10:31:20 2021 -0700
committer Marco Paniconi <marpan@google.com> Wed Aug 18 21:22:24 2021 +0000
tree e555718c02cb84df0e7ab840079ede5b32a0a8dd
parent e6f0b27603350aedfcbe05e98b2c2fbd546d9aae

rtc: Set candidate refresh to seg2 for compound mode

avg_psnr/ovr_psnr/ssim bdrate gain for sp9: ~0.6/0.5/0.8
most clips show small gain, a few clips ~2% gain
No speed change observed.

Change-Id: I78873f3afe8d04409cccbca319a55e1c294ae445

av1/encoder/aq_cyclicrefresh.c

diff --git a/av1/encoder/aq_cyclicrefresh.c b/av1/encoder/aq_cyclicrefresh.c
index 1f9b11f..04df183 100644
--- a/av1/encoder/aq_cyclicrefresh.c
+++ b/av1/encoder/aq_cyclicrefresh.c
@@ -69,9 +69,9 @@
        mv.col > cr->motion_thresh || mv.col < -cr->motion_thresh ||
        !is_inter_block(mbmi)))
     return CR_SEGMENT_ID_BASE;
-  else if (bsize >= BLOCK_16X16 && rate < cr->thresh_rate_sb &&
-           is_inter_block(mbmi) && mbmi->mv[0].as_int == 0 &&
-           cr->rate_boost_fac > 10)
+  else if (is_compound || (bsize >= BLOCK_16X16 && rate < cr->thresh_rate_sb &&
+                           is_inter_block(mbmi) && mbmi->mv[0].as_int == 0 &&
+                           cr->rate_boost_fac > 10))
     // More aggressive delta-q for bigger blocks with zero motion.
     return CR_SEGMENT_ID_BOOST2;
   else