Port alt reference frame filter improvement to VP9
authorJingning Han <jingning@google.com>
Tue, 1 Mar 2016 00:52:44 +0000 (16:52 -0800)
committerJingning Han <jingning@google.com>
Tue, 1 Mar 2016 00:55:13 +0000 (16:55 -0800)
commit9c0a2a7935c37c6925600770fa2d9ca73375cd73
tree213ba46889e28fcd462b1eb9c5cbfbeadf6f78b1
parent8d006a16c53e10d481d1df148140ee7c2561460e
Port alt reference frame filter improvement to VP9

Use sharp filter to generate motion compensated reference for
temporal filtering. It improves the average coding performance of
VP9 speed 0:
derf    0.34%
hevcmr  0.38%
stdhd   0.58%

Change-Id: I1772a051be545de8c343055274e5ca0929d19cda
vp9/encoder/vp9_temporal_filter.c