commit c458ab0b54d4556b5c6b110acae8b61bb5a7e6f0
author Jingning Han <jingning@google.com> Fri Feb 26 11:15:49 2021 -0800
committer Jingning Han <jingning@google.com> Sat Feb 27 15:53:40 2021 +0000
tree 1a7577dbf1d9977af389ba7ef1fbbd7c7db5fa9a
parent c30b3596caa253f5ef01fd9567ae328b01bd010c

Limit the maximum coding block size in all intra speed 6

Limit the maximum coding block size to be 32x32. The compression
performance change is 0.53%. The speed 6 is about 18% faster.

BUG=aomedia:2959

STATS_CHANGED

Change-Id: I4dabd2b5f97d94d9523591f565b97e85698f1216

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 1ea410b..480564c 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -663,6 +663,9 @@
     sf->part_sf.prune_sub_8x8_partition_level =
         allow_screen_content_tools ? 0 : 1;
     sf->part_sf.prune_part4_search = 3;
+    // TODO(jingning): This might not be a good trade off if the
+    // target image quality is very low.
+    sf->part_sf.default_max_partition_size = BLOCK_32X32;
 
     sf->mv_sf.use_bsize_dependent_search_method = 1;