Re: [PATCHES] Add v4l-utils in order to add support for webcams to OBS

[宋文武]

"Thompson, David" <address@hidden> writes:

> [...]
>
> From b1ccba1616dc77950b8495714a47d5e3f9b9eda1 Mon Sep 17 00:00:00 2001
> From: David Thompson <address@hidden>
> Date: Tue, 19 Jan 2016 22:11:16 -0500
> Subject: [PATCH 1/2] gnu: Add v4l-utils.
>
> * gnu/packages/video.scm (v4l-utils): New variable.
> ---
>  gnu/packages/video.scm | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
>
> diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
> index 9e41835..c135770 100644
> --- a/gnu/packages/video.scm
> +++ b/gnu/packages/video.scm
Or linux.scm?  since it's linux-specific.
> @@ -1265,6 +1265,39 @@ functionality of the system is provided via an 
> assortment of ready to use
>  tools, XML authoring components, and an extensible plug-in based API.")
>      (license license:lgpl2.1+)))
>  
> +(define-public v4l-utils
> +  (package
> +    (name "v4l-utils")
> +    (version "1.8.1")
> +    (source (origin
> +              (method url-fetch)
> +              (uri (string-append "http://linuxtv.org/downloads/v4l-utils";
> +                                  "/v4l-utils-" version ".tar.bz2"))
> +              (sha256
> +               (base32
> +                "0cqv8drw0z0kfmz4f50a8kzbrz6vbj6j6q78030hgshr7yq1jqig"))))
> +    (build-system gnu-build-system)
> +    (arguments
> +     '(#:configure-flags
> +       (list (string-append "--with-udevdir="
> +                            (assoc-ref %outputs "out")
> +                            "/lib/udev"))))
> +    (native-inputs
> +     `(("pkg-config" ,pkg-config)))
> +    (inputs
> +     `(("alsa-lib" ,alsa-lib)
> +       ("glu" ,glu)
> +       ("libjpeg" ,libjpeg)
> +       ("libx11" ,libx11)
> +       ("qt" ,qt)
> +       ("eudev" ,eudev)))
> +    (synopsis "Realtime video capture utilities for Linux")
> +    (description "The v4l-utils provide a series of libraries and utilities 
> to
> +be used for realtime video capture via Linux-specific APIs.")
> +    (home-page "https://linuxtv.org/wiki/index.php/V4l-utils";)
> +    ;; libv4l2 is LGPL2.1+, while utilties are GPL2 only.
> +    (license (list license:lgpl2.1+ license:gpl2))))
> +
>  (define-public obs
>    (package
>      (name "obs")
> -- 
> 2.5.0
>
>
> From 00ad398215837b64daf577024511330c1f73ce6a Mon Sep 17 00:00:00 2001
> From: David Thompson <address@hidden>
> Date: Tue, 19 Jan 2016 22:11:35 -0500
> Subject: [PATCH 2/2] gnu: obs: Add support for webcams.
>
> * gnu/packages/video.scm (obs)[inputs]: Add v4l-utils.
> ---
>  gnu/packages/video.scm | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
> index c135770..4939194 100644
> --- a/gnu/packages/video.scm
> +++ b/gnu/packages/video.scm
> @@ -1326,6 +1326,7 @@ be used for realtime video capture via Linux-specific 
> APIs.")
>         ("mesa" ,mesa)
>         ("pulseaudio" ,pulseaudio)
>         ("qt" ,qt)
> +       ("v4l-utils" ,v4l-utils)
>         ("zlib" ,zlib)))
>      (synopsis "Live streaming software")
>      (description "Open Broadcaster Software provides a graphical interface 
> for
Look good!