ref: bb071af390bc60c0d540dac441c7f519404b81cf
parent: af4cd92629d039e06a68cf3fc6cdbbf4cfcfd05a
author: Yunqing Wang <yunqingwang@google.com>
date: Tue Oct 23 08:30:13 EDT 2018
Use 8-tap interp filter in temporal filtering
Used 8-tap interp filter in temporal filtering to achieve more accurate
motion search result. Using 8-tap sharp gave slight better result than
using 8-tap regular.
Speed 0 borg test showed that
avg_psnr: ovr_psnr: ssim:
hdres: -0.160 -0.157 -0.173
midres: -0.083 -0.061 -0.183
lowres: -0.077 -0.099 -0.204
Speed test didn't see noticeable encoder time changes.
Change-Id: I97dc3c4864b5a5675a6c1e3952799b81eedd7d93