shithub: libvpx

Download patch

ref: 585b5dd81782f9ca72998482688ac1e0215bc458
parent: c6eb185331f2ffa2385b30bd9f1bc6f82c10bc1d
author: Jingning Han <jingning@google.com>
date: Wed Mar 20 07:14:57 EDT 2019

Drop Wiener variance diff scale from 8 to 4

Change-Id: If6df62069c1b30de4d52aba33c20c6e854524905

--- 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);