tree 4e531f17b71817faeec37f57291eabf26109be6a
parent bddfe780a082d49e5d92ccedf87e708901a56524
author Peng Bin <binpengsmail@gmail.com> 1534422458 +0800
committer Yunqing Wang <yunqingwang@google.com> 1534875066 +0000

Skip uv's tx search if y's cost is too large

During inter frame's intra mode selection, skip
uv's tx search if y's cost is too large.

For encoder, about 0.65% faster shows by encoding 20 frame
of BasketballDrill_832x480_50.y4m target 800kbps at speed 1.
( 272077 ms -> 270315 ms)

Change-Id: I1116a9efde0078765c5eecee95bf9f59bca55c46