scale to 2x with bilinear subpixel accuracy specialized to have 1/4 and 3/4 scale factors FilterRow.
BUG=none
TEST=libyuvTest.I420ToI444_Any
Review URL: https://webrtc-codereview.appspot.com/965021

git-svn-id: http://libyuv.googlecode.com/svn/trunk@485 16f28f9a-4ce2-e073-06de-1de4eb20be90
3 files changed