commit 192c565bb7f96574b8e5d4a162c51c0a9031775d
author Jingning Han <jingning@google.com> Mon Feb 22 09:32:49 2021 -0800
committer Jingning Han <jingning@google.com> Tue Feb 23 06:09:27 2021 +0000
tree d6c69c426120945b54da2ea70b182697e55ca936
parent fb9f22ce8c54e277e5162d8643a1a254dcc5173a

Use largest txfm block size in all intra speed 6

The compression performance loss is 2.6% in PSNR and 2.0% in SSIM.
Encoding speed up is about 26%.

BUG=aomedia=2959

STATS_CHANGED

Change-Id: I407878dfaacf4674021f8a54c4d7b19ef81b3a42

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index d57fb43..083b4de 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -669,6 +669,9 @@
 
     sf->tx_sf.tx_type_search.winner_mode_tx_type_pruning = 2;
     sf->tx_sf.tx_type_search.prune_tx_type_est_rd = 0;
+    // Use largest txfm block size.
+    sf->tx_sf.intra_tx_size_search_init_depth_sqr = 2;
+    sf->tx_sf.intra_tx_size_search_init_depth_rect = 2;
 
     sf->rd_sf.perform_coeff_opt = 6;
     sf->lpf_sf.cdef_pick_method = CDEF_FAST_SEARCH_LVL4;