[Libva] [ANNOUNCE] libva 1.7.1

[Xiang, Haihao]

Hi all,

Libva 1.7.1 is now available at 
http://www.freedesktop.org/software/vaapi/releases/libva/

* Bump VA API version to 0.39.2
* API: add support for VP9 8bit encode
* API: add support for low power/high performance encode
* API: add support for encoding ROI attribute
* API: add support for macroblock based rate control
* Fix VA tracer to support multiple contexts in one instance

git tag: libva-1.7.1

https://www.freedesktop.org/software/vaapi/releases/libva/libva-1.7.1.t
ar.bz2

sha1sum 6405ce9adcad2bc31122d766f2a99250657f9f8a  libva-1.7.1.tar.bz2

Thanks
Haihao