tree 4efc4af7935bbe5989520623363414c7744b5b85
parent 6e61c8e4be2d49a74a0d45450f1075bdc88d5698
author Hui Su <huisu@google.com> 1569455174 -0700
committer Hui Su <huisu@google.com> 1569948023 +0000

Change the reference frame priority order

The new order is based on reference frame selection frequency calculated
from encoding stats. This only affects the first several frames in a KF
group. On lowres, there is 0.2% compression gains when encoding 16
frames(speed 1).

STATS_CHANGED

Change-Id: I7b83e91a34e9e79771361b7e8f082da9e4712f8f