tree 8fc6ba1e19c75172a66b9187a8cdb6da52defb2b
parent 7a08fe59d0c28d834c5391b0283ca62bbc879bb4
author Joe Young <joeyoung@google.com> 1487008266 -0800
committer Hui Su <huisu@google.com> 1487275570 +0000

[ext-intra] fix bug in sample interpolation when dy < 0

When the "dy" variable is between -1 and 0 (base2 == -1)
we should interpolate between the upper-left(-1,-1) and left(-1,0)
samples, instead of just taking the left sample.

Coding gain improves a bit with this change.

BUG=aomedia:357

Change-Id: If520f71b22115e79120499c21f8d6925c1fa24be