ref: 06c8713e89514ccbed2d68e847adfd7830b53881
parent: 36533e8c5a00b0ae430ba2b102bedfd587e67db1
author: Marco <marpan@google.com>
date: Thu Mar 16 11:55:33 EDT 2017
vp9: Use sb content measure to bias against golden. For each superblock, keep track of how far from current frame was the last significant content change, and use that (along with GF distance), to turnoff GF search in non-rd pickmode. Only enabled for speed >= 8. avgPNSR on RTC/RTC_derf down by ~0.9/1.2. Speedup on mac: ~3-5%. Speedup on arm: 3.6% for VGA and 4.4% for HD. Change-Id: Ic3f3d6a2af650aca6ba0064d2b1db8d48c035ac7