Merge changes I00697e9a,I9dfc2ba3,I73619051,Ib4d37667
authorAngie Chiang <angiebird@google.com>
Tue, 22 Oct 2019 18:17:51 +0000 (18:17 +0000)
committerGerrit Code Review <noreply-gerritcodereview@google.com>
Tue, 22 Oct 2019 18:17:51 +0000 (18:17 +0000)
* changes:
  Refactor kf_group_err in find_next_key_frame
  Simplify the logics in find_next_key_frame
  Add get_gop_coding_frame_num()
  Localize zero_motion_accumulator


Trivial merge