ref: eb7d431cb55c8254fcd0a362e269c1d7a25409ba
parent: 3ba9a2c8b2341430b001ed531f1eedf7c9b0384f
author: Marco <marpan@google.com>
date: Wed Oct 25 11:45:11 EDT 2017
Compound prediction mode for nonrd pickmode. Allow for compound prediction mode in nonrd_pickmode for ZEROMV. For real-time encoding, 1 pass with non-zero lag-in-frames. Added speed feature to control the feature. Enabled for speed >=6 for now, under VBR mode. avgPSNR/SSIM metrics positive on ytlive set, for speed 6: some clips up by ~3-5%, some clips neutral gain, average gain across clips is ~1%. Small/negligible decrease in speed. Change-Id: I7a60c7596e69b9a928410c5ee2f9141eecd8613d