commit cc54023ac8b21510e65be04eb2141e434ea39183
author Marco Paniconi <marpan@google.com> Mon Oct 12 11:35:09 2020 -0700
committer Marco Paniconi <marpan@google.com> Mon Oct 12 23:37:15 2020 +0000
tree 86711cffe5d3b254d5a6c9d7c6ee2a57593038f1
parent 6ee9a598bcc96d8fc821d44a44a132af99138aa0

rtc: Remove SMOOTH_PRED from intra mode, for speed >= 7

bdrate loss  on rtc_derf/rtc is small overall all clips
(< ~0.2/0.3), for speed 7 and 8. This saves some cycles
and avoids some artifacts observed from selecting this
mode on rtc clips.

Change-Id: Ib36c3c4d5e8fc8e7b7c0a6e7d2109dba3a17ff12

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 89fc50a..1e60f51 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -1005,8 +1005,8 @@
       if (i >= BLOCK_32X32)
         sf->rt_sf.intra_y_mode_bsize_mask_nrd[i] = INTRA_DC;
       else
-        // Use H, V, SMOOTH intra mode for block sizes < 32X32.
-        sf->rt_sf.intra_y_mode_bsize_mask_nrd[i] = INTRA_DC_H_V_SMOOTH;
+        // Use DC, H, V intra mode for block sizes < 32X32.
+        sf->rt_sf.intra_y_mode_bsize_mask_nrd[i] = INTRA_DC_H_V;
   }
 
   if (speed >= 8) {