tree d857ce9dfc71eedee3f5439174d8aec1f517b2f6
parent ec1c93e9e657677f9ba2101e49894351e817112b
author Sai Deng <sdeng@google.com> 1618958218 -0700
committer Sai Deng <sdeng@google.com> 1619649094 +0000

Enable tune=butteraugli in all-intra mode

Implement Butteraugli rdmult scaling in encode_without_recode().
Tune=butteraugli BD-rate changes:
Baseline tune=psnr, all-intra mode, speed 6
                       PSNR     SSIM     BUTTERAUGLI
hdrplus (full range)   3.0%    -1.6%          -17.4%

Change-Id: Ica7573a6534f708defbbc75a4a546a017c35ec15