tree 51765bfbf9621b9f0467da2a697382afa03151bc
parent 96158b0907a2ddffa43173644d05fad47d48db49
author Paul Wilkins <paulwilkins@google.com> 1678113686 +0000
committer Paul Wilkins <paulwilkins@google.com> 1678724271 +0000

Alter clamping of max_delta_up in adjust_q_cbr()

Link the maximum upwards adjustment of Q to the max
downwards value.

Rate overshoot a bit higher at lower rates but undershoot less
at slightly higher rates.

Good improvements for screen content set in metrics.
(Bdrate %:- Overall PSNR, SSIM against head on  9th March).

Speed 8:   -2.982, -2.922
Speed 10: -2.288, -2.551

STATS_CHANGED

Change-Id: I1338cfed4c7bca72ee50516fa8fd0ea9708fcf57