tree 49b182d3a08127121f1b2dfdf27ccb30481a840e
parent a1a5450bd45648f7003eb50986d2030e63711c44
author Jingning Han <jingning@google.com> 1606862320 -0800
committer Jingning Han <jingning@google.com> 1607032099 +0000

Rework rd cost estimation for mode decisions

Re-design the rate-distortion cost calculation used by the mode
decision stages. Simplify the rd cost calculation route. It gives
about 3% encoding speed up in speed 1. The compression performance
change is under 0.05%.

STATS_CHANGED

Change-Id: Ib341037e9f0410e03c794dc8e6377af7dbae193d