# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit linux-mod-r1 toolchain-funcs

case ${PV} in
9999)
	inherit git-r3
	EGIT_REPO_URI="https://github.com/umlaeute/v4l2loopback.git"
	;;
*)
	KEYWORDS="~amd64 ~x86"
	SRC_URI="https://github.com/umlaeute/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
	;;
esac

DESCRIPTION="v4l2 loopback device whose output is its own input"
HOMEPAGE="https://github.com/umlaeute/v4l2loopback"

LICENSE="GPL-2"
SLOT="0"
IUSE="examples"

CONFIG_CHECK="VIDEO_DEV"

pkg_setup() {
	linux-mod-r1_pkg_setup
	export KERNELRELEASE=${KV_FULL}
}

src_prepare() {
	default
	sed -i -e 's/gcc /$(CC) /' examples/Makefile || die
}

src_compile() {
	local modlist=(
		v4l2loopback=video:
	)

	linux-mod-r1_src_compile
	if use examples; then
		emake CC="$(tc-getCC)" -C examples
	fi
}

src_install() {
	linux-mod-r1_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
}