[bug#36814] [PATCH 1/2] gnu: Add intel-vaapi-driver.

[Tobias Geerinckx-Rice]

Marius,

Marius Bakke 写道：
> Tobias Geerinckx-Rice via Guix-patches <address@hidden> 
> writes:
>
> > * gnu/packages/video.scm (intel-vaapi-driver): New public 
> > variable.
> > ---
> >  gnu/packages/video.scm | 38 
> >  ++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 38 insertions(+)
> >
> > diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
> > index 4b9e05edfe..f068c5df65 100644
> > --- a/gnu/packages/video.scm
> > +++ b/gnu/packages/video.scm
> > @@ -2695,6 +2695,44 @@ of modern, widely supported codecs.")
> >      ;; Combination under GPLv2.  See LICENSE.
> >      (license license:gpl2)))
> >  
> > +(define-public intel-vaapi-driver
> > +  (package
> > +    (name "intel-vaapi-driver")
> > +    (version "2.3.0")
> > +    (source
> > +     (origin
> > +       (method url-fetch)
> > +       (uri (string-append 
> > "https://github.com/intel/intel-vaapi-driver/";
> > +                           "releases/download/" version 
> > "/intel-vaapi-driver-"
> > +                           version ".tar.bz2"))
> > +       (sha256
> > +        (base32 
> > "1qyzxh3p8cw4fv8bz9zd4kc8hajlaps7xryzh6pad814n3m5sbjw"))))
> > +    (build-system gnu-build-system)
> > +    (native-inputs
> > +     `(("pkg-config" ,pkg-config)))
> > +    (inputs
> > +     `(("libdrm" ,libdrm)
> > +       ("libva" ,libva)
> > +       ("libx11" ,libx11)))
> > +    (arguments
> > +     `(#:phases
> > +       (modify-phases %standard-phases
> > +         (add-before 'configure 'set-up-directories
> > +           (lambda* (#:key outputs #:allow-other-keys)
> > +             (let ((out (assoc-ref outputs "out")))
> > +               (setenv "LIBVA_DRIVERS_PATH" (string-append out 
> > "/lib/dri"))
> > +               #t))))))
>
> Can this be passed in #:configure-flags?  What does it do, 
> anyway?  :-)
>
> > +    (home-page "https://01.org/linuxmedia/vaapi";)
> > +    (synopsis "VA-API video acceleration driver for Intel GEN 
> > Graphics devices")
> > +    (description
> > +     "This is the @acronym{VA-API, Video Acceleration API} 
> > back end required for
> > +for hardware-accelerated video processing on Intel GEN 
> > Graphics devices
> > +supported by the i915 driver, such as integrated Intel HD 
> > Graphics.  It provides
> > +access to both hardware and shader functionality for faster 
> > encoding, decoding,
> > +and post-processing video formats like MPEG2, H.264/AVC, and 
> > VC-1.")
>
> I suppose we should limit this driver to i686-linux and 
> x86_64-linux only.

That is a very good point.

> LGTM, looking forward to try it!

Thanks!

T G-R

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