tree fcb7ae50f5e99daaeb8289caeed601dc63917204
parent 932b7176af7d6ec3d3b115fb9bbe2599ae59aca1
author Yunqing Wang <yunqingwang@google.com> 1579131594 -0800
committer Yunqing Wang <yunqingwang@google.com> 1579212450 +0000

Skip alike starting MVs at speed 1

Combined the MV checking conditions, and refactored the code. Chose a
conservative mv_diff threshold for speed 1.

Borg test results(speed 1, 150 frames):
       avg_psnr:  ovr_psnr:  ssim:   avg speedups over whole set:
lowres: -0.000    -0.005     0.067      1.0%
midres:  0.008     0.006     0.095      2.0%
ugc360p: 0.024     0.036     0.089      2.3%

STATS_CHANGED

Change-Id: I1c6a3c900a07f6aea402d62f3be32dc2be5e9a53