shithub: libvpx

Download patch

ref: 4161a55f7fba3d157226cff119fcbe401159fba1
parent: 3b6b98e2017dc165e23012de29fc0123ab9ba459
parent: 585b5dd81782f9ca72998482688ac1e0215bc458
author: Jingning Han <jingning@google.com>
date: Wed Mar 20 17:31:12 EDT 2019

Merge "Drop Wiener variance diff scale from 8 to 4"

--- a/vp9/encoder/vp9_segmentation.c
+++ b/vp9/encoder/vp9_segmentation.c
@@ -67,7 +67,7 @@
   const int base_qindex = cm->base_qindex;
   const double base_qstep = vp9_convert_qindex_to_q(base_qindex, cm->bit_depth);
   const double mid_ctr = cpi->kmeans_ctr_ls[seg_counts / 2];
-  const double var_diff_scale = 8.0;
+  const double var_diff_scale = 4.0;
   int i;
 
   assert(seg_counts <= MAX_SEGMENTS);