tree b569140a5d100f4957979c689c11915225b8c91b
parent 5031801d59fd7d1649823608aed2c0ab650d501c
author Jingning Han <jingning@google.com> 1624199645 -0700
committer Jingning Han <jingning@google.com> 1624310995 +0000

Use gf group to define forward key frame

BUG=aomedia:3079

Change-Id: Id204ece54b2ffefb9405587042c003df1cd0b100