commit 53e9cd8b952f618a7773601ffafc69b40f0c3560
author Yunqing Wang <yunqingwang@google.com> Wed Aug 17 17:43:29 2022 -0700
committer Yunqing Wang <yunqingwang@google.com> Fri Aug 19 00:22:32 2022 +0000
tree 525a738e1fda6e37e240ed9a590456b97c70776e
parent 4e0257084ef0b712f282dc897368be5c64042040

Extend RTC temporal filtering to speed 9

This was enabled for >=360p. Most clips got gains.
Almost no impact on encoder speed.
Speed 9 borg result on rtc set:
avg_psnr:  ovr_psnr:   ssim:  encoding_spdup:
 -0.695     -0.472    -0.399    -0.129

STATS_CHANGED

Change-Id: Ib07eaf4f5d5c1d67462d926d88c8b79ee4bfc927

av1/encoder/encodeframe_utils.c

diff --git a/av1/encoder/encodeframe_utils.c b/av1/encoder/encodeframe_utils.c
index e011b11..3846b78 100644
--- a/av1/encoder/encodeframe_utils.c
+++ b/av1/encoder/encodeframe_utils.c
@@ -1358,7 +1358,7 @@
   if (cpi->last_source->y_width != cpi->source->y_width ||
       cpi->last_source->y_height != cpi->source->y_height)
     return;
-  if (!cpi->sf.rt_sf.use_rtc_tf) return;
+  if (!cpi->sf.rt_sf.use_rtc_tf || tmp_sse == 0) return;
 
   // In-place temporal filter. If psnr calculation is enabled, we store the
   // source for that.

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 13112ab..f2e0bd3 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -1309,11 +1309,11 @@
       sf->rt_sf.gf_length_lvl = 1;
       sf->rt_sf.skip_cdef_sb = 1;
       sf->rt_sf.sad_based_adp_altref_lag = 2;
+      // TODO(yunqing): extend this sf to other speeds and/or other resolutions.
+      sf->rt_sf.use_rtc_tf = 1;
     }
 
     if (speed >= 10) {
-      // TODO(yunqing): extend this sf to other speeds and/or other resolutions.
-      sf->rt_sf.use_rtc_tf = 1;
       sf->rt_sf.hybrid_intra_pickmode = 2;
       sf->rt_sf.sad_based_adp_altref_lag = 4;
       sf->rt_sf.tx_size_level_based_on_qstep = 0;