tree f26a7064ae6ca212693b243d3d0897c920e880a0
parent 7496d66d7bd617119245ca87f72c481493a756ce
author Jingning Han <jingning@google.com> 1502312652 -0700
committer Jingning Han <jingning@google.com> 1502402295 +0000

Refactor lv-map rate cost estimation

Use the rate cost to replace the probability fetch. This improves
the encoding speed of level map by 10%. No coding stats change.

Change-Id: Iab0beac5da291eed50f657549667d4edffb4ead8