tree 8335ca53437f4e2ef80579d7ea5739cc102de3ce
parent 56dd16bdf1228c5ad5595fb290827cfa825b4499
author Sai Deng <sdeng@google.com> 1618958218 -0700
committer Wan-Teh Chang <wtc@google.com> 1621280614 +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
(cherry picked from commit 91cc2d40443b620b3ce1194e6ca6fb370fe1fb3f)