These patches scratch a particularly timely itch. I want to use OpenBroadcaster to record my talk tomorrow, but recording video from a webcam requires libv4l.
(Sorry that these are likely not inline attachments. I'm dealing with a less-than-ideal email setup right now.) Thanks in advance for review! - Dave
From b1ccba1616dc77950b8495714a47d5e3f9b9eda1 Mon Sep 17 00:00:00 2001 From: David Thompson <dthomps...@worcester.edu> 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 @@ -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 <dthomps...@worcester.edu> 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 -- 2.5.0