commit 4b590058c8d0241c6473ce1905c3fee03b7cd6ca
author paulwilkins <paulwilkins@google.com> Fri Mar 11 10:44:16 2016 +0000
committer paulwilkins <paulwilkins@google.com> Mon Apr 25 12:07:07 2016 +0100
tree fa1033e2c4a526c3d17e5e17b3d18ac31b6537ee
parent 52889c101642f4b7bbc3532a0badb37926e4b9c4

Experiment to adapt for net AQ offset.

In Aq mode 1 the segment and AQ delta for each block is based
on spatial variance. There may be a net imbalance between blocks
that have lower Q than the baseline value and those that have higher Q.

This patch monitors that imbalance and extends the allowed baseline
Q range for the frame to accommodate adjustment of that baseline value
to compensate.

Change-Id: Iae8a48c7c01fe2af94a141e149d03acf467237ca