tree 0545696dd5de4724a3e4d8a2a4f6088e28edbc83
parent d845127aaf46ff92f698d9a460fc7b1ecce89a9f
author Jingning Han <jingning@google.com> 1604961602 -0800
committer Jingning Han <jingning@google.com> 1605038846 -0800

Preload wedge mask index to bypass certain motion search

Allow the encoder to re-use the wedge index from initial motion
search results, and bypass mask index search in the subsequent
reference mvs search. Local test shows about 20% speed-up in
speed 1, 150 frames. The coding performance loss is

        overall PSNR   SSIM
lowres   0.050%       0.125%
midres2  0.083%       0.178%

STATS_CHANGED

Change-Id: I47328ffee24297e38f41c38926defe6a80337043