tree 29a342ea74bbccc7e0b444aef17fb9256ad08522
parent 1e50d300606d27334e3a6905076a3f3a52b4b54b
author Urvang Joshi <urvang@google.com> 1564100697 -0700
committer Urvang Joshi <urvang@google.com> 1564175975 +0000

Improve q_high adjustment for large overshoot.

In recode loop, when we get a large overshoot:
- Adjust q_high only when current 'q' is already at 'q_high'
- Also, and adaptively adjust q_high only as much as needed, instead of
directly picking the worst quality.

This is a:
- Cherry-pick of VP9 commit:
https://chromium-review.googlesource.com/c/webm/libvpx/+/424299
- And a single line change from:
https://chromium-review.googlesource.com/c/webm/libvpx/+/544870

hdres/mobcal_720p50: -1.948%
Other hdres clips: neutral
lowres,midres,ugc360p: neutral

STATS_CHANGED

Change-Id: I2f3f0e292d0ccf184f36bedd85f7ab1e7de46518