tree da370639c788bde08cc93527582355c86820bb87
parent 5c5db1d2fc793f5a9d7ccde0478fbad92b2ab88b
author Jingning Han <jingning@google.com> 1605681236 -0800
committer Jingning Han <jingning@google.com> 1605741316 +0000

Search wedge index once per eligible coding block

Conduct the wedge index search once for each eligible coding block.
Use the resulting wedge index for motion search over other reference
frame pairs. Local test in speed 1 shows 10-15% speed-up. The average
compression performance loss is:

        overall PSNR   SSIM
lowres    0.10%        0.14%
midres2   0.12%        0.15%

STATS_CHANGED

Change-Id: I336f535926099c338e3385a36bce179888948077