The Ubuntu 14.04 shipped vaapi libraries leaves a lot to be desired on hardware support and features.

Here presented is a binary build (amd64) of sha cb418f6ef36b6e6f0d632bf7c0aaf035a271400b (1.6.3.pre1)

This package is the backend for Gstreamer vaapi plugin
You might also want the driver fetched and built similarily from, sha: 2110b3a0bca6cecb42defd0b01d32530f5807b04

Steps to reproduce:

git clone
cd libva 
make deb.upstream

Version 1.6.3.pre1 libva files:

Version 1.6.3.pre1 intel-driver files: