tree 374a590fbbd657960427ba6f8de56ab69c911a1e
parent d602311e2f1d71fada3eaa0fe5a708357e0aad65
author Urvang Joshi <urvang@google.com> 1570747771 -0700
committer Urvang Joshi <urvang@google.com> 1570817627 +0000

Disable tpl based deltaq for image-only coding

This is a tweak to the original patch:
4e585cccdbd74db65b83f5281ed37e62d3c05fb0

Rationale: tpl based delta quantization should only be applied to video,
where temporal info exists.

Results for 10 keyframes:
             OVR_PSNR   SSIM
lowres:      -0.131     -0.685
(husky_cif)  -0.838     -2.448

midres:      -0.085     -0.506
(partyscene) -0.344     -1.217

STATS_CHANGED for image-only coding

Change-Id: Icc82d4982474b04bb3d7dbc490262bb8aa23c5f8