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fbarchard@google.com committed 98a1fbf5e97
Scale up columns 2 pixels at a time BUG=208 TEST=out\release\libyuv_unittest --gtest_filter=*Scale*640* Review URL: https://webrtc-codereview.appspot.com/1294004 git-svn-id: http://libyuv.googlecode.com/svn/trunk@648 16f28f9a-4ce2-e073-06de-1de4eb20be90