tree b1fef1a38a7a561e8090e669a41bd7088b399682
parent f112a35e3b8a125ae69538f3ffe37a91b0076971
author Yunqing Wang <yunqingwang@google.com> 1573841032 -0800
committer Yunqing Wang <yunqingwang@google.com> 1574107801 +0000

Speed up the interpolation filter search

If we can find a good match, skip the interpolation filter search. This
is added at speed 4.

Midres set borg test result:
  avg_psnr:	ovr_psnr:	ssim:
   0.071	0.077	        0.080
Observed 1% - 3% encoder speedups.

STATS_CHANGED

Change-Id: Ic4e3b0ff7691e73bcba92bb3aafb21fc838138d3