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vp9: 1 pass vbr: Skip find_predictors in pickmode when source is altref.
authorMarco <marpan@google.com>
Fri, 16 Dec 2016 00:10:30 +0000 (16:10 -0800)
committerMarco <marpan@google.com>
Wed, 21 Dec 2016 20:12:55 +0000 (12:12 -0800)
commite7c453b613ffc2baab4b04cc514fd4a0a15c8927
treea3c0e0f43fec7e61b2382acbdc075213576718cctree | snapshot
parentb5770a20076387cf39fd1faff2a33826e18812e2commit | diff
vp9: 1 pass vbr: Skip find_predictors in pickmode when source is altref.

When source frame is altref, we only do zero-mv mode, so we can skip
the find_predictors(). No change in compression.
Small speed gain, ~1%.

Only affects 1 pass vbr with lookhead altref, for ytlive with
the macro flag USE_ALTREF_FOR_ONE_PASS on.

Change-Id: I9318c5da8521f017bf54919cd652438b3a6313d1
vp9/encoder/vp9_pickmode.c diff | blob | history
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