Increase disable_filter_search_var_thresh threshold
authorYunqing Wang <yunqingwang@google.com>
Fri, 13 Dec 2013 17:59:02 +0000 (09:59 -0800)
committerYunqing Wang <yunqingwang@google.com>
Fri, 13 Dec 2013 18:47:14 +0000 (10:47 -0800)
commitda9f55c3fbfe10551a91371bd58e479cdeb65aea
tree7de6cb934aa1b016a300fb00643a0155dee64163
parent2341747805d1a829cb9140a4f391bdf2534cdf70
Increase disable_filter_search_var_thresh threshold

Increased threshold(t) for interp filter search. This sped up the
encoder with some PSNR loss.

Borg tests were ran at speed 2.
t = 100, PSNR loss:
-0.710%(derf); -0.561%(stdhd); -0.647%(youtube)
speedup:
9%(derf); 3%(stdhd); 5.7%(youtube)

t = 500, PSNR loss:
-1.687%(derf); -1.665%(stdhd); -1.664%(youtube)
speedup:
18%(derf); 10%(stdhd); 8%(youtube)

Change-Id: I180e3657c1e156aaa88dc7c437f8bcbd19f5caba
vp9/encoder/vp9_onyx_if.c