Commit 064fc570 authored by Committed by Jerome Jiang
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
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