tree b1d04088a6b038d7fb40c50aa9e8a32e547cf365
parent dd0484f9516000987195fc028d13cb7851184d84
author Venkat <sanampudi.venkatarao@ittiam.com> 1547036993 +0530
committer Yunqing Wang <yunqingwang@google.com> 1547151693 +0000

Introduce selective R-D optimization of coeffs

Used mse based threshold logic to do R-D optimization of coeffs and change is effective for speeds >=2

For speed = 2, 3, 4 and 5 presets, BD-rate impact is seen as -0.02%, 0.05%, 0.01% and 0.09% (as per AWCY runs),
with encode time reduction of 3.46%, 4.48%, 3.9% and 4.92% (averaged across multiple test cases) respectively.

STATS_CHANGED
Change-Id: I300b818f4c304ca0c08eccd4ce3a10b9d6cb4960