Properly determine end of sequence
authorCheng Chen <chengchen@google.com>
Fri, 29 Sep 2023 00:47:54 +0000 (17:47 -0700)
committerCheng Chen <chengchen@google.com>
Fri, 29 Sep 2023 01:36:21 +0000 (18:36 -0700)
commitfd2052d4c91ca9451563482817bbeab1da3f76e7
treee2bcf305acaf3876a932d99f38e1f92ed13f20ff
parenta9998b53c23ed9a5dba18ce98d45402b02513690
Properly determine end of sequence

When the next frame is null and the current frame is an overlay
frame, which is equivalent to there is an active alt ref frame,
we call this an end of sequence.

Change-Id: I49c2cf7a001df98aff8b62ba034317e408274bd4
test/vp9_ext_ratectrl_test.cc
vp9/encoder/vp9_firstpass.c