tree 5b91510d94ac7e803adf3c65a870979ada13b867
parent 037f5d23648cdf45cf8402d41d6d2980928719f0
author Satish Kumar Suman <satish.suman@ittiam.com> 1556862871 +0530
committer Cherma Rajan A <cherma.rajan@ittiam.com> 1556872998 +0000

Fast search sgr_params in self-guided filter

This change is applicable for speed>2. This CL
Introduce a binary search like algorithm in
self-guided filter based on the group.

           Quality drop(AWCY)
Preset   Cb      Cr    Overall  Encode time reduction
   2   -0.03%  -0.05%   0.00%    0.9%
   3   -0.05%   0.08%   0.01%    1.4%
   4   -0.02%  -0.15%  -0.01%    0.9%
Encode time is averaged across multiple test cases

STATS_CHANGED

Change-Id: I7560b10a5cc284e7beb2dfb89107231498db5f58