ref: 4e23998fb4d4d0b1f16c7e2960561bc9a3d7b92a
parent: ecd1eb216224d3eee9ec060557e9677827dff1db
author: Marco <marpan@google.com>
date: Tue May 2 11:50:31 EDT 2017
vp9: SVC: Add option to set downsampling filter type. Add option in SVC to set the filter type and phase for the frame level downsampling filters. For 3 spatial layers: set downsampling filter type to bilinear and set phase to 8, for lowest spatial layer. Change-Id: Id81f4b1ba93db19c1cd37b6a46d1281a2c61bc43