tree 1a0b27a5008a94489f900957c8c755f269ee5cc2
parent 4179412ad9a63edf291c13f564c06f6fabf2634d
author Bohan Li <bohanli@google.com> 1673993876 -0800
committer Bohan Li <bohanli@google.com> 1674082320 +0000

Qmode rc: make last frame always the nearest backward frame

This provides good gains:

hd2 (%):
avgpsnr ovrpsnr	ssim	vmaf
-2.246	-2.237	-2.188	-2.302

qmode (%):
avgpsnr ovrpsnr	ssim	vmaf
-3.887	-3.286	-4.073	-3.727

Change-Id: Ib95274f6b4c5bcd41980289634cae835b4481d4e