ref: d6c5ef4557dea159db81a90082aee48581f3b184
parent: 511bf49b7ed39a5a88c0d2a1076e552760ed57ee
author: Alex Converse <aconverse@google.com>
date: Mon Jul 25 07:05:40 EDT 2016
Only consider visible 4x4s in pixel domain error. BDRATE change derf144: -0.327 lowres: -0.048 midres: -0.125 hdres: -0.238 Change-Id: I789aba9870b5c2952373a7dd4fc8ed45590c3c54