Missing vaapih264enc, how do I install it? Can I just copy the .so file from one machine to another?

Tue Nov 8 00:06:12 UTC 2016

All, how do I get vaapih264enc installed?
I have all the latest gstreamer-1.0 good, bad, ugly pluins.  Yet, this one plugin does not seem to exist

On one machine the plugin seems to exist fine, but I have another machine (several others) where this plugin does not seem to be getting installed.  Does anyone know why?
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