media-video/v4l2loopback:

Package-Manager: Portage-2.3.6, Repoman-2.3.3

media-video/v4l2loopback/ChangeLog

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+*v4l2loopback-0.10.0 (10 Aug 2017)
+
+  10 Aug 2017;  <chymera@gentoo.org> +metadata.xml, +v4l2loopback-0.10.0.ebuild:
+  media-video/v4l2loopback:

media-video/v4l2loopback/Manifest

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+DIST v4l2loopback-0.10.0.tar.gz 46976 SHA256 61f840708dcbea21906c9a02469ea3f23b03e32420c6b650450ea57377956b06 SHA512 990b83cc592bf66861483d5ed8ebd7aba9d23f8ab54dc11d82ac3c88588cbd340d9cc49f7b758095e76bf9c5f02822700074506439ba51bcafc5cc7c1c979cb8 WHIRLPOOL 08c524ad9f540fe5d5b2ead1dd6bc814b8aa8eb0a49d9e3b734e90a14497e4d104972442f95bfc80bc3ba007d3728edb9c14a0423d2fbb6c1218f95534e5142a

media-video/v4l2loopback/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>horea.christ@yandex.com</email>
+		<name>Horea Christian</name>
+	</maintainer>
+	<longdescription lang="en">
+		This module allows you to create "virtual video devices". Normal (v4l2) 
+		applications will read these devices as if they were ordinary video devices,
+		but the video will not be read from e.g. a capture card but instead it is
+		generated by another application.
+	</longdescription>
+	<upstream>
+		<remote-id type="github">umlaeute/v4l2loopback</remote-id>
+	</upstream>
+</pkgmetadata>

media-video/v4l2loopback/v4l2loopback-0.10.0.ebuild

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+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=5
+
+inherit linux-mod
+
+case ${PV} in
+9999)
+	inherit git-2
+	EGIT_REPO_URI="git://github.com/umlaeute/v4l2loopback.git"
+	;;
+*)
+	inherit vcs-snapshot
+	SRC_URI="https://github.com/umlaeute/v4l2loopback/tarball/v${PV} -> ${P}.tar.gz"
+	;;
+esac
+
+DESCRIPTION="v4l2 loopback device which output is it's own input"
+HOMEPAGE="https://github.com/umlaeute/v4l2loopback"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="examples"
+
+CONFIG_CHECK="VIDEO_DEV"
+MODULE_NAMES="v4l2loopback(video:)"
+BUILD_TARGETS="all"
+
+DEPEND=""
+RDEPEND="${DEPEND}"
+
+pkg_setup() {
+	linux-mod_pkg_setup
+	export KERNELRELEASE=${KV_FULL}
+}
+
+src_compile() {
+	linux-mod_src_compile
+	if use examples; then
+		cd "${S}"/examples
+		emake
+	fi
+}
+
+src_install() {
+	linux-mod_src_install
+	dosbin utils/v4l2loopback-ctl
+	dodoc doc/kernel_debugging.txt
+	dodoc doc/docs.txt
+	if use examples; then
+		dosbin examples/yuv4mpeg_to_v4l2
+		docinto examples
+		dodoc examples/{*.sh,*.c,Makefile}
+	fi
+}