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vp9: Reduce frame loopfilter-level for 1 pass cbr.
authorMarco <marpan@google.com>
Mon, 26 Sep 2016 16:57:49 +0000 (09:57 -0700)
committerMarco <marpan@google.com>
Mon, 26 Sep 2016 17:12:43 +0000 (10:12 -0700)
commitd9fc28c0a15f6731b93796c5686af339c91c7401
tree45b8dca50cda48a5f909705f0ccc0bdc6d08e3datree | snapshot
parentb46243d7ff0f0d02d66010fb7830bb767046508bcommit | diff
vp9: Reduce frame loopfilter-level for 1 pass cbr.

Reduce the filt_guess for 1 pass cbr on inter-frames.
This reduces visual artifact seen in rtc clip (jimred.vga),
and improves metrics on rtc set.

Metrics on rtc set for cbr mode overall positive, most clips are up:
Speed 7 rtc: avgPSNR/SSIM up by: ~2.6/3.9%
Speed 8 rtc: avgPSNR/SSIM up by: ~1.3/2.5%

Change-Id: Ia4eccea1c19d65b583516df28823cd756c49464f
vp9/encoder/vp9_picklpf.c diff | blob | history
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