ref: 064fc570ff8399536563e3846500fd99b273b034
parent: 75653b70325dfa1093bd3794ca78d7d06773f13e
author: Marco <marpan@google.com>
date: Fri Jul 28 06:29:12 EDT 2017
vp9: Speed feature to adapt partition based on source_sad. Move the source_sad feature to speed 6 (from speed 7), and add speed feature to switch from the variance-based partition to reference_partition (which uses nonrd-pickmode for bsize selection) if source_sad is high. Currently used only for speed 6 for resoln <= 360p. About 4-5% improvement on 360p in RTC set. Some speed slowdown, but still ~30% faster than speed 5. Change-Id: Ib0330ee5fe9fdd2608aed91359a2a339d967491c