commit 4d5bbbd907a1eb7acdafe2a4a7594721ec33a850
author Urvang Joshi <urvang@google.com> Thu Mar 02 17:10:44 2017 -0800
committer Urvang Joshi <urvang@google.com> Mon Mar 06 20:11:50 2017 +0000
tree e1a13b5f59a2253d3a4d4faf63821852ac33b5b2
parent 7e37993b0e4f87fa14fd2a1bbdc9ebb530208ba1

SMOOTH_PRED: Use 8-bit weights for real.

Use 255 instead of 256, to restrict to 8-bits.

Only noise level differences in performance.

AWCY:
                   High Latency     Low Latency
  All Keyframes    -0.01            -0.01
  Video overall    -0.01            -0.07

Google Set:
                  All KF            Video
lowres            -0.005            -0.029
midres            -0.008             0.028
hdres             -0.010            -0.022      

Note: By moving from 18-bit to 8-bit and then
cutting off at 255 (this change, overall effect is
noise level too (neutral or better).

Change-Id: I9f2852023015e36c01203bafe486ec400b2ba46f