commit daab348db1ebced1b9e9df9484c9845de84cb595
author Steinar Midtskogen <stemidts@cisco.com> Wed Apr 05 20:45:02 2017 +0200
committer Steinar Midtskogen <stemidts@cisco.com> Fri Apr 07 04:49:00 2017 +0000
tree ab51950c3997e1a6b0872fb9dce76b9c05b35bab
parent fdbe3f7ba25122660d94c87f5fcaa9d589918a17

Restrict dering thresholds and add damping to RDO

High latency, cpu-used=0:
   PSNR | PSNR Cb | PSNR Cr | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
-0.0947 |  0.0968 |  0.1203 |  -0.0325 | -0.0648 | -0.0290 |    -0.0099

Low latency, cpu-used=0:
PSNR | PSNR Cb | PSNR Cr | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
-0.0635 |  0.1315 | -0.0771 |  -0.0122 | -0.0598 |  0.0111 |    -0.0362

High latency, cpu-used=4:
   PSNR | PSNR Cb | PSNR Cr | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
-0.1178 |  0.0026 |  0.1003 |  -0.0609 | -0.1287 | -0.1119 |    -0.1249

Low latency, cpu-used=4:
   PSNR | PSNR Cb | PSNR Cr | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
-0.0404 |  0.0547 |  0.0976 |   0.0042 | -0.0585 | -0.0234 |    -0.0245

Change-Id: I48bcdb4d3d27512160ae1e1a36308dd62cf54c59

av1/common/cdef.h

diff --git a/av1/common/cdef.h b/av1/common/cdef.h
index c0e7dfc..ca7b89c 100644
--- a/av1/common/cdef.h
+++ b/av1/common/cdef.h
@@ -13,7 +13,7 @@
 
 #define CDEF_STRENGTH_BITS 7
 
-#define DERING_STRENGTHS 21
+#define DERING_STRENGTHS 32
 #define CLPF_STRENGTHS 4
 
 #include "./aom_config.h"