tree 84940d7c510d3c113b1e5e610b8ebc3f7fa8c0b3
parent 0006073ff8b11160209d55af8fa5dd5382db17c4
author Yue Chen <yuec@google.com> 1501095947 -0700
committer Yue Chen <yuec@google.com> 1501477508 +0000

motion_var: computer motion_mode_cost from cdf

Initialize mode cost using frame-level cdf.
Also in rd selection stage, cdf is updated per 64x64.
Performance gain 0.20%

Still suboptimal since in real bitstream packing, cdf is updated
per symbol. Per symbol update in RDO is work in progress.

Change-Id: I5062af91d8b00e5bf4c08abd0a7bfb0e5b27a619