Adjustments to cyclic refresh (aq-mode=3).
authorMarco <marpan@google.com>
Wed, 28 Jan 2015 19:34:24 +0000 (11:34 -0800)
committerMarco <marpan@google.com>
Fri, 20 Feb 2015 16:47:59 +0000 (08:47 -0800)
commit0187f4b411b80e09d861085b9027757cd6a36eef
treeef8ec40871b8d98b35ea16a07f487d36f709acd4
parenta28a8cb72626d8bea3543052e9bf825e95666c7e
Adjustments to cyclic refresh (aq-mode=3).

Target higher delta-qp for big blocks with zero motion,
and for segment#1: avoid 64x64 partition size and force 8x8 tx size.

Metrics on RTC set mostly positive: SSIM up by ~4%, PSRN by ~1.5%.
Doesn't seem to be any change in speed.

Change-Id: I1f68fa3c4f62dab3b90cc58041f05ebb048ae5ac
vp9/encoder/vp9_aq_cyclicrefresh.c
vp9/encoder/vp9_aq_cyclicrefresh.h
vp9/encoder/vp9_encodeframe.c
vp9/encoder/vp9_pickmode.c