ref: c83bcb34741c55535727da8e4b66ec24ecd573a9
parent: dbaf5f64e2d1fbcf2a1953c0c3e62011eaeb8d86
author: Marco <marpan@google.com>
date: Thu Feb 25 03:38:08 EST 2016
vp9-svc: Allow for 2 stage downscaling for spatial layers. For 1 pass cbr mode: allow for two-stage 1:2 scaling (which will use the 1:2 optimized scaler) if the spatial layer is 1/4x1/4 of souce. Without this change, the base layer for 3 spatial layers would be using the non-normative scaler which is un-optimized/C code. Change-Id: I9d73f92a4a96927d0f1d6bf75315c1e60513226a