testing/v4l2loopback-src: new aport

https://github.com/umlaeute/v4l2loopback
Kernel module to create V4L2 loopback devices

testing/v4l2loopback-src/APKBUILD

@@ -0,0 +1,32 @@
+# Contributor: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
+# Maintainer: Krystian Chachuła <krystian@krystianch.com>
+pkgname=v4l2loopback-src
+_modname=v4l2loopback
+pkgver=0.12.5
+pkgrel=0
+pkgdesc="Kernel module to create V4L2 loopback devices"
+url="https://github.com/umlaeute/v4l2loopback"
+arch="noarch"
+license="GPL-2.0-only"
+options="!check"  # sources only
+source="$pkgname-$pkgver.tar.gz::https://github.com/umlaeute/v4l2loopback/archive/v$pkgver.tar.gz"
+builddir="$srcdir/v4l2loopback-$pkgver"
+
+prepare() {
+	default_prepare
+
+	cat >AKMBUILD <<-EOF
+	modname=$_modname
+	modver=$pkgver-r$pkgrel
+	built_modules='v4l2loopback.ko'
+	EOF
+}
+
+package() {
+	install -D -m644 -t "$pkgdir"/usr/src/$_modname-$pkgver \
+		./*.c ./*.h Makefile AKMBUILD
+}
+
+sha512sums="
+5fd2affbb4a7f38bb78f996179de6570b2bd69cfed2a79c4505e7ea2cdf5b65c0a6807f1f4e03f320b667f5cbe62f26fadd412bc0fec5944e4e394635bf5fb3d  v4l2loopback-src-0.12.5.tar.gz
+"