Commits
fbarchard@google.com committed 9ef8999ff3e
scale to half size use pmadd/pavgw to horizontal averaging. BUG=314 TESTED=out\release\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=*.ScaleDownBy2* R=tpsiaki@google.com Review URL: https://webrtc-codereview.appspot.com/50529004 git-svn-id: http://libyuv.googlecode.com/svn/trunk@1348 16f28f9a-4ce2-e073-06de-1de4eb20be90