commit c076ce250567f9a1cc5b4223b038ee871823bd00
author Debargha Mukherjee <debargha@google.com> Thu May 23 15:04:48 2019 -0700
committer Debargha Mukherjee <debargha@google.com> Thu May 23 23:28:35 2019 +0000
tree 5188d1d51253cc461e2b40aca7560bc29087e4fc
parent 7618e3c08dfd2b634161d450c4be43bfe478636a

Increase strength for delta-q adaptation

Modest improvement in BDRATE with --deltaq-mode=1 is
seen. Current gains are:

lowres (33 frames, cpu-used 0, q mode): -0.265%
midres (33 frames, cpu-used 0, q mode): -0.686%

Change-Id: Iad0a0ae3c23d3cbea491fe4507b0925fdff474b7

av1/encoder/encodeframe.c

diff --git a/av1/encoder/encodeframe.c b/av1/encoder/encodeframe.c
index 81b7a8b..9209949 100644
--- a/av1/encoder/encodeframe.c
+++ b/av1/encoder/encodeframe.c
@@ -3445,7 +3445,7 @@
     const double mc_saved_base = (mi_count * cpi->rd.mc_saved_base);
     beta = (mc_saved + 100.0) / (mc_saved_base + 100.0);
   }
-  offset = (6 * av1_get_deltaq_offset(cpi, cm->base_qindex, beta)) / 8;
+  offset = (7 * av1_get_deltaq_offset(cpi, cm->base_qindex, beta)) / 8;
   // printf("beta %g, offset %d\n", beta, offset);
 
   aom_clear_system_state();