3 files changed, 422 insertions, 0 deletions
diff --git a/media-video/Manifest.gz b/media-video/Manifest.gz
index c5263702094f..ac290df69c27 100644
--- a/media-video/Manifest.gz
+++ b/media-video/Manifest.gz
diff --git a/media-video/pipewire/Manifest b/media-video/pipewire/Manifest
index 84c90706da8b..adf527af081f 100644
--- a/media-video/pipewire/Manifest
+++ b/media-video/pipewire/Manifest
@@ -13,6 +13,7 @@ DIST pipewire-0.3.53.tar.gz 1783505 BLAKE2B 269466c6ba78cb85516dc714f3aa5d71cdf7
 DIST pipewire-0.3.53_p20220704.tar.bz2 1351516 BLAKE2B 3d4e4859c66e9cbe47adc0f1c0e2e512632793d70853e0105984c06d2e66744b68d1c01dc7a85784ca2007a96aa5fd1c62c7f47ea6360df58ff76b87de4d3ee2 SHA512 87819aa5bdd3caa685c0fc93b0ddcf8212f115cecc130155918876c10883bd98ce923fef3f9716b2562ef5ae2b5465d9e39816f4b6e0c48cf9f28303755584b6
 DIST pipewire-0.3.53_p20220705.tar.bz2 1358645 BLAKE2B 365e81ab114fb9b4abbd5351145d0558c7c00bdbccefc2f7bacb965018c1e7009b7b26b8e95baf35534b74cf9ce49483604841aa7ba949d6a94e720e8ec4233c SHA512 631e737e3517cb4d4c3f84e9540acde2cf94bde472626c61e0223ff4ac5cc2118a35dae79d009558384e24b955cf002d209db1bcf1465056757234725213f152
 DIST pipewire-0.3.54.tar.gz 1789544 BLAKE2B 66b28b36aee0672a1bc8059beb18bf0868d8c01f01823151a732ca8e616860beb1ff4c8eb611f6f17bc99e4201bd1ba8ef44fb8968cedd56be3370e279c75bed SHA512 affb8b4fefd8c1cd3064df0987117931a03e967461d6b8125e3f390b83f6dda1a11d6b30e81590f4780f607b763061dd7a26a7686816dd2801f03d64d43ab8f2
+DIST pipewire-0.3.55.tar.gz 1801857 BLAKE2B ee8d75bffba5f6b2e6ccd4da518339aa8e00e6afd8a4e8b6839bc0e4422b587f7543916ef161c9995bb7bfdf20032af984ac2fe9238ac9ad6160ab5d5942f700 SHA512 a139e51bc0d4144ae3bd3511962e541ae5c8a76d344d472805819e5bda6e62ec9807489c2a9e9f42bd9a25eff243f8a794b71d629438bf732a5cd92b85eaa9fc
 EBUILD pipewire-0.3.51-r2.ebuild 13194 BLAKE2B 8be112d99c48d5699dc51efe5bb3cff9509d4787f42f97df4ae4c14c254699e13750d2bbf3abf87a4102e763ffec7cd3a49103d29909284d4e94b35a04c0e965 SHA512 3504398ade620b89890c85c18aafa61707068e488ef2c1d1bfda8d9d429cadbf3cfbe333c42b2229201bf778c96e71e333e0d4a08fff59286149ccb1fa7634eb
 EBUILD pipewire-0.3.52-r1.ebuild 13293 BLAKE2B 17049f576d95cacf15f9e2ba4e0e11c61ecb36cf9cf6cad87b847ffdb5873b3b61607f727af6c3c6c6fd8cbbf3620da6ecb0bf8f77329ae79b34cd7af248dbd2 SHA512 ccaa19700ef8aec87ecb0e1c3a537cf15e7a08a3b603241d3a095e6ba22127d897662ddd3f495b923534f2889714129862c9dec14d3ee59262558d6c7faae9f8
 EBUILD pipewire-0.3.53-r1.ebuild 14904 BLAKE2B 26d1fa2c5d616d767b2e333e39e165ce909721692bdcc18d62d15c0249ad00c254aaa25b77a5ca6f60241c2f4b39973db4be77aea9a10548599c5baca97550e6 SHA512 a8f6778d442966547a6ed1314e0f02b8458de2f23d0c154fe543ae0e6be78ad47bd3869f8afd932c9c6908eaf2944d62104a5e1e2a0e6280d3884bedf8274a2a
@@ -21,5 +22,6 @@ EBUILD pipewire-0.3.53_p20220705-r1.ebuild 15132 BLAKE2B c384019726ec2652d2032cf
 EBUILD pipewire-0.3.54-r1.ebuild 15474 BLAKE2B 0cafa483c17190a3d12d049bdf533ea2871795e6efd09bb0842cc6acbb78389f4cf0ff773b6e27c89674078593aec69588c362a47012787f51644f384c33719a SHA512 1725b191017fc944c1386e6e59dee6047ef0084e343e953bec4580efa85d4ec762e684f97a22cc9ba908f7a0189caa3efd5f4f63fff0bf37e69789cd72d1ea1f
 EBUILD pipewire-0.3.54-r2.ebuild 15515 BLAKE2B a1ecec1e8f89e47ffaaff4b909619dce4e6aa621b45cbd2cb639d32361d3299737c466ca5dcd530a2fc18db12f69c777cd88965067576204061cdc849bbd3703 SHA512 6affaaec84f6bda45a9a2f2ad9d131301988d4d4f0a33a80d8347479c6ef66de4f6bf7558094c8f154778521212b529003fdd74e82540302fd9989bb5149b2b7
 EBUILD pipewire-0.3.54.ebuild 15427 BLAKE2B 739879fa7fa51f0ea91cf05a1494594a2b8bf1e8de2f580c6a04ee04c674773025b02b820f390592b493dae25aa163a5b738436a3497be9d5ffc7c10e613f1db SHA512 243c42ef5213eeccc6355670cee87b510c43fbde42408ffcc985a44746ece94af93bb15d80c2a850e7b3925aac90fe67801e1ba5670caf27dfcab9fdd4b1c6aa
+EBUILD pipewire-0.3.55.ebuild 15427 BLAKE2B 739879fa7fa51f0ea91cf05a1494594a2b8bf1e8de2f580c6a04ee04c674773025b02b820f390592b493dae25aa163a5b738436a3497be9d5ffc7c10e613f1db SHA512 243c42ef5213eeccc6355670cee87b510c43fbde42408ffcc985a44746ece94af93bb15d80c2a850e7b3925aac90fe67801e1ba5670caf27dfcab9fdd4b1c6aa
 EBUILD pipewire-9999.ebuild 15427 BLAKE2B 739879fa7fa51f0ea91cf05a1494594a2b8bf1e8de2f580c6a04ee04c674773025b02b820f390592b493dae25aa163a5b738436a3497be9d5ffc7c10e613f1db SHA512 243c42ef5213eeccc6355670cee87b510c43fbde42408ffcc985a44746ece94af93bb15d80c2a850e7b3925aac90fe67801e1ba5670caf27dfcab9fdd4b1c6aa
 MISC metadata.xml 1594 BLAKE2B 5291d3254924bd4710238933a4de6c46af4cd9aee9e688fb09878e310c75e6c6c39a154fd9ee3e85c0b59920590fb590a79882c2efc69551630d291bee69311e SHA512 7d0c3f41df7994338ae7506c8501beae032e6630bf3bed72854a324281ed234d3bbc0bc5100a4687d68256480c965b07e53276157e6366a95d08a4071a2389e5
diff --git a/media-video/pipewire/pipewire-0.3.55.ebuild b/media-video/pipewire/pipewire-0.3.55.ebuild
new file mode 100644
index 000000000000..449554e6270c
--- /dev/null
+++ b/media-video/pipewire/pipewire-0.3.55.ebuild
@@ -0,0 +1,420 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# 1. Please regularly check (even at the point of bumping) Fedora's packaging
+# for needed backports at https://src.fedoraproject.org/rpms/pipewire/tree/rawhide.
+#
+# 2. Keep an eye on git master (for both PipeWire and WirePlumber) as things
+# continue to move quickly. It's not uncommon for fixes to be made shortly
+# after releases.
+
+PYTHON_COMPAT=( python3_{8..11} )
+
+inherit flag-o-matic meson-multilib optfeature prefix python-any-r1 systemd udev
+
+if [[ ${PV} == 9999 ]]; then
+	EGIT_REPO_URI="https://gitlab.freedesktop.org/${PN}/${PN}.git"
+	inherit git-r3
+else
+	if [[ ${PV} == *_p* ]] ; then
+		MY_COMMIT=""
+		SRC_URI="https://gitlab.freedesktop.org/pipewire/pipewire/-/archive/${MY_COMMIT}/pipewire-${MY_COMMIT}.tar.bz2 -> ${P}.tar.bz2"
+		S="${WORKDIR}"/${PN}-${MY_COMMIT}
+	else
+		SRC_URI="https://gitlab.freedesktop.org/${PN}/${PN}/-/archive/${PV}/${P}.tar.gz"
+	fi
+
+	KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86"
+fi
+
+DESCRIPTION="Multimedia processing graphs"
+HOMEPAGE="https://pipewire.org/"
+
+LICENSE="MIT LGPL-2.1+ GPL-2"
+# ABI was broken in 0.3.42 for https://gitlab.freedesktop.org/pipewire/wireplumber/-/issues/49
+SLOT="0/0.4"
+IUSE="bluetooth dbus doc echo-cancel extra gstreamer jack-client jack-sdk lv2
+pipewire-alsa sound-server ssl system-service systemd test udev v4l X zeroconf"
+
+# Once replacing system JACK libraries is possible, it's likely that
+# jack-client IUSE will need blocking to avoid users accidentally
+# configuring their systems to send PW sink output to the emulated
+# JACK's sink - doing so is likely to yield no audio, cause a CPU
+# cycles consuming loop (and may even cause GUI crashes)!
+
+# TODO: There should be "sound-server? ( || ( alsa bluetooth ) )" here, but ALSA is always enabled
+# TODO: Pulseaudio alsa plugin performs runtime check that pulseaudio server connection will work
+# which provides adequate guarantee that alsa-lib will be able to provide audio services.
+# If that works, pulseaudio defaults are loaded into alsa-lib runtime replacing default PCM and CTL.
+# When pipewire-alsa will be able to perform similar check, pipewire-alsa can be enabled unconditionally.
+REQUIRED_USE="
+	jack-sdk? ( !jack-client )
+	system-service? ( systemd )
+	!sound-server? ( !pipewire-alsa )
+	jack-client? ( dbus )
+"
+
+RESTRICT="!test? ( test )"
+
+BDEPEND="
+	>=dev-util/meson-0.59
+	virtual/pkgconfig
+	${PYTHON_DEPS}
+	$(python_gen_any_dep 'dev-python/docutils[${PYTHON_USEDEP}]')
+	doc? (
+		app-doc/doxygen
+		media-gfx/graphviz
+	)
+"
+RDEPEND="
+	acct-group/audio
+	media-libs/alsa-lib
+	sys-libs/readline:=
+	sys-libs/ncurses:=[unicode(+)]
+	virtual/libintl[${MULTILIB_USEDEP}]
+	bluetooth? (
+		media-libs/fdk-aac
+		media-libs/libldac
+		media-libs/libfreeaptx
+		media-libs/sbc
+		>=net-wireless/bluez-4.101:=
+		virtual/libusb:1
+	)
+	dbus? ( sys-apps/dbus[${MULTILIB_USEDEP}] )
+	echo-cancel? ( media-libs/webrtc-audio-processing:0 )
+	extra? (
+		>=media-libs/libsndfile-1.0.20
+	)
+	gstreamer? (
+		>=dev-libs/glib-2.32.0:2
+		>=media-libs/gstreamer-1.10.0:1.0
+		media-libs/gst-plugins-base:1.0
+	)
+	jack-client? ( >=media-sound/jack2-1.9.10:2[dbus] )
+	jack-sdk? (
+		!media-sound/jack-audio-connection-kit
+		!media-sound/jack2
+	)
+	lv2? ( media-libs/lilv )
+	pipewire-alsa? (
+		>=media-libs/alsa-lib-1.1.7[${MULTILIB_USEDEP}]
+	)
+	sound-server? (
+		!media-sound/pulseaudio[daemon(+)]
+		!media-sound/pulseaudio-daemon
+	)
+	ssl? ( dev-libs/openssl:= )
+	systemd? ( sys-apps/systemd )
+	system-service? (
+		acct-user/pipewire
+		acct-group/pipewire
+	)
+	udev? ( virtual/libudev[${MULTILIB_USEDEP}] )
+	v4l? ( media-libs/libv4l )
+	X? (
+		media-libs/libcanberra
+		x11-libs/libX11
+		x11-libs/libXfixes
+	)
+	zeroconf? ( net-dns/avahi )
+"
+
+DEPEND="${RDEPEND}"
+
+# TODO: Consider use cases where pipewire is not used for driving audio
+# Doing so with WirePlumber currently involves editing Lua scripts
+PDEPEND=">=media-video/wireplumber-0.4.8-r3"
+
+# Present RDEPEND that are currently always disabled due to the PW
+# code using them being required to be disabled by Gentoo guidelines
+# (i.e. developer binaries not meant for users) and unready code
+#	media-video/ffmpeg:=
+#	media-libs/libsdl2
+#	>=media-libs/vulkan-loader-1.1.69
+#
+# Ditto for DEPEND
+#	>=dev-util/vulkan-headers-1.1.69
+
+DOCS=( {README,INSTALL}.md NEWS )
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-0.3.25-enable-failed-mlock-warning.patch
+)
+
+# limitsdfile related code taken from =sys-auth/realtime-base-0.1
+# with changes as necessary.
+limitsdfile=40-${PN}.conf
+
+python_check_deps() {
+	has_version -b "dev-python/docutils[${PYTHON_USEDEP}]"
+}
+
+src_prepare() {
+	default
+
+	einfo "Generating ${limitsdfile}"
+	cat > ${limitsdfile} <<- EOF || die
+		# Start of ${limitsdfile} from ${P}
+
+		@audio	-	memlock 256
+
+		$(use system-service && {
+			echo @pipewire - rtprio 95
+			echo @pipewire - nice -19
+			echo @pipewire - memlock 4194304
+		})
+
+		# End of ${limitsdfile} from ${P}
+	EOF
+}
+
+multilib_src_configure() {
+	# https://bugs.gentoo.org/838301
+	filter-flags -fno-semantic-interposition
+
+	local emesonargs=(
+		-Ddocdir="${EPREFIX}"/usr/share/doc/${PF}
+
+		$(meson_feature dbus)
+		$(meson_native_use_feature zeroconf avahi)
+		$(meson_native_use_feature doc docs)
+		$(meson_native_enabled examples) # TODO: Figure out if this is still important now that media-session gone
+		$(meson_native_enabled man)
+		$(meson_feature test tests)
+		-Dinstalled_tests=disabled # Matches upstream; Gentoo never installs tests
+		$(meson_native_use_feature gstreamer)
+		$(meson_native_use_feature gstreamer gstreamer-device-provider)
+		$(meson_native_use_feature systemd)
+
+		$(meson_native_use_feature system-service systemd-system-service)
+		-Dsystemd-system-unit-dir="$(systemd_get_systemunitdir)"
+		-Dsystemd-user-unit-dir="$(systemd_get_userunitdir)"
+
+		$(meson_native_use_feature systemd systemd-user-service)
+		$(meson_feature pipewire-alsa) # Allows integrating ALSA apps into PW graph
+		-Dspa-plugins=enabled
+		-Dalsa=enabled # Allows using kernel ALSA for sound I/O (NOTE: media-session is gone so IUSE=alsa/spa_alsa/alsa-backend might be possible)
+		-Daudiomixer=enabled # Matches upstream
+		-Daudioconvert=enabled # Matches upstream
+		$(meson_native_use_feature bluetooth bluez5)
+		$(meson_native_use_feature bluetooth bluez5-backend-hsp-native)
+		$(meson_native_use_feature bluetooth bluez5-backend-hfp-native)
+		$(meson_native_use_feature bluetooth bluez5-backend-ofono)
+		$(meson_native_use_feature bluetooth bluez5-backend-hsphfpd)
+		$(meson_native_use_feature bluetooth bluez5-codec-aac)
+		$(meson_native_use_feature bluetooth bluez5-codec-aptx)
+		$(meson_native_use_feature bluetooth bluez5-codec-ldac)
+		$(meson_native_use_feature bluetooth libusb) # At least for now only used by bluez5 native (quirk detection of adapters)
+		$(meson_native_use_feature echo-cancel echo-cancel-webrtc) #807889
+		# Not yet packaged.
+		-Dbluez5-codec-lc3plus=disabled
+		-Dcontrol=enabled # Matches upstream
+		-Daudiotestsrc=enabled # Matches upstream
+		-Dffmpeg=disabled # Disabled by upstream and no major developments to spa/plugins/ffmpeg/ since May 2020
+		-Dpipewire-jack=enabled # Allows integrating JACK apps into PW graph
+		$(meson_native_use_feature jack-client jack) # Allows PW to act as a JACK client
+		$(meson_use jack-sdk jack-devel)
+		$(usex jack-sdk "-Dlibjack-path=${EPREFIX}/usr/$(get_libdir)" '')
+		-Dsupport=enabled # Miscellaneous/common plugins, such as null sink
+		-Devl=disabled # Matches upstream
+		-Dtest=disabled # fakesink and fakesource plugins
+		$(meson_native_use_feature lv2)
+		$(meson_native_use_feature v4l v4l2)
+		-Dlibcamera=disabled # libcamera is not in Portage tree
+		$(meson_native_use_feature ssl raop)
+		-Dvideoconvert=enabled # Matches upstream
+		-Dvideotestsrc=enabled # Matches upstream
+		-Dvolume=enabled # Matches upstream
+		-Dvulkan=disabled # Uses pre-compiled Vulkan compute shader to provide a CGI video source (dev thing; disabled by upstream)
+		$(meson_native_use_feature extra pw-cat)
+		$(meson_feature udev)
+		-Dudevrulesdir="${EPREFIX}$(get_udevdir)/rules.d"
+		-Dsdl2=disabled # Controls SDL2 dependent code (currently only examples when -Dinstalled_tests=enabled which we never install)
+		$(meson_native_use_feature extra sndfile) # Enables libsndfile dependent code (currently only pw-cat)
+		-Dsession-managers="[]" # All available session managers are now their own projects, so there's nothing to build
+
+		# Just for bell sounds in X11 right now.
+		$(meson_native_use_feature X x11)
+		$(meson_native_use_feature X x11-xfixes)
+		$(meson_native_use_feature X libcanberra)
+	)
+
+	meson_src_configure
+}
+
+multilib_src_install() {
+	# Our custom DOCS do not exist in multilib source directory
+	DOCS= meson_src_install
+}
+
+multilib_src_install_all() {
+	einstalldocs
+
+	insinto /etc/security/limits.d
+	doins ${limitsdfile}
+
+	if use pipewire-alsa; then
+		dodir /etc/alsa/conf.d
+
+		# Install pipewire conf loader hook
+		insinto /usr/share/alsa/alsa.conf.d
+		doins "${FILESDIR}"/99-pipewire-default-hook.conf
+		eprefixify "${ED}"/usr/share/alsa/alsa.conf.d/99-pipewire-default-hook.conf
+
+		# These will break if someone has /etc that is a symbolic link to a subfolder! See #724222
+		# And the current dosym8 -r implementation is likely affected by the same issue, too.
+		dosym ../../../usr/share/alsa/alsa.conf.d/50-pipewire.conf /etc/alsa/conf.d/50-pipewire.conf
+		dosym ../../../usr/share/alsa/alsa.conf.d/99-pipewire-default-hook.conf /etc/alsa/conf.d/99-pipewire-default-hook.conf
+	fi
+
+	# Enable required wireplumber alsa and bluez monitors
+	if use sound-server; then
+		dodir /etc/wireplumber/main.lua.d
+		echo "alsa_monitor.enabled = true" > "${ED}"/etc/wireplumber/main.lua.d/89-gentoo-sound-server-enable-alsa-monitor.lua || die
+
+		dodir /etc/wireplumber/bluetooth.lua.d
+		echo "bluez_monitor.enabled = true" > "${ED}"/etc/wireplumber/bluetooth.lua.d/89-gentoo-sound-server-enable-bluez-monitor.lua || die
+	fi
+
+	if ! use systemd; then
+		insinto /etc/xdg/autostart
+		newins "${FILESDIR}"/pipewire.desktop-r1 pipewire.desktop
+
+		exeinto /usr/bin
+		newexe "${FILESDIR}"/gentoo-pipewire-launcher.in gentoo-pipewire-launcher
+
+		# Disable pipewire-pulse if sound-server is disabled.
+		if ! use sound-server ; then
+			sed -i -s '/pipewire -c pipewire-pulse.conf/s/^/#/' "${ED}"/usr/bin/gentoo-pipewire-launcher || die
+		fi
+
+		eprefixify "${ED}"/usr/bin/gentoo-pipewire-launcher
+	fi
+}
+
+pkg_postrm() {
+	use udev && udev_reload
+}
+
+pkg_postinst() {
+	use udev && udev_reload
+
+	elog "It is recommended to raise RLIMIT_MEMLOCK to 256 for users"
+	elog "using PipeWire. Do it either manually or add yourself"
+	elog "to the 'audio' group:"
+	elog
+	elog "  usermod -aG audio <youruser>"
+	elog
+
+	local ver
+	for ver in ${REPLACING_VERSIONS} ; do
+		if ver_test ${ver} -le 0.3.53-r1 && ! use sound-server ; then
+			ewarn "USE=sound-server is disabled! If you want PipeWire to provide"
+			ewarn "your sound, please enable it. See the wiki at"
+			ewarn "https://wiki.gentoo.org/wiki/PipeWire#Replacing_PulseAudio"
+			ewarn "for more details."
+
+			break
+		fi
+	done
+
+	if ! use jack-sdk; then
+		elog "JACK emulation is incomplete and not all programs will work. PipeWire's"
+		elog "alternative libraries have been installed to a non-default location."
+		elog "To use them, put pw-jack <application> before every JACK application."
+		elog "When using pw-jack, do not run jackd/jackdbus. However, a virtual/jack"
+		elog "provider is still needed to compile the JACK applications themselves."
+		elog
+	fi
+
+	if use systemd; then
+		elog "When switching from PulseAudio, you may need to disable PulseAudio:"
+		elog
+		elog "  systemctl --user disable pulseaudio.service pulseaudio.socket"
+		elog
+		elog "To use PipeWire, the user units must be manually enabled"
+		elog "by running this command as each user you use for desktop activities:"
+		elog
+		elog "  systemctl --user enable pipewire.socket pipewire-pulse.socket"
+		elog
+		elog "A reboot is recommended to avoid interferences from still running"
+		elog "PulseAudio daemon."
+		elog
+		elog "Both new users and those upgrading need to enable WirePlumber"
+		elog "for relevant users:"
+		elog
+		elog "  systemctl --user disable pipewire-media-session.service"
+		elog "  systemctl --user --force enable wireplumber.service"
+		elog
+		elog "Root user may replace --user with --global to change system default"
+		elog "configuration for all of the above commands."
+	else
+		ewarn "PipeWire daemon startup has been moved to a launcher script!"
+		ewarn "Make sure that ${EROOT}/etc/pipewire/pipewire.conf either does not exist or no"
+		ewarn "longer is set to start a session manager or PulseAudio compatibility daemon (all"
+		ewarn "lines similar to '{ path = /usr/bin/pipewire*' should be commented out)"
+		ewarn
+		ewarn "Those manually starting /usr/bin/pipewire via .xinitrc or similar _must_ from"
+		ewarn "now on start ${EROOT}/usr/bin/gentoo-pipewire-launcher instead! It is highly"
+		ewarn "advised that a D-Bus user session is set up before starting the script."
+		ewarn
+
+		if use sound-server && ( has_version 'media-sound/pulseaudio[daemon]' || has_version 'media-sound/pulseaudio-daemon' ) ; then
+			elog "This ebuild auto-enables PulseAudio replacement. Because of that, users"
+			elog "are recommended to edit pulseaudio client configuration files:"
+			elog "${EROOT}/etc/pulse/client.conf and ${EROOT}/etc/pulse/client.conf.d/enable-autospawn.conf"
+			elog "if it exists, and disable autospawning of the original daemon by setting:"
+			elog
+			elog "  autospawn = no"
+			elog
+			elog "Please note that the semicolon (;) must _NOT_ be at the beginning of the line!"
+			elog
+			elog "Alternatively, if replacing PulseAudio daemon is not desired, edit"
+			elog "${EROOT}/usr/bin/gentoo-pipewire-launcher by commenting out the relevant"
+			elog "command:"
+			elog
+			elog "#${EROOT}/usr/bin/pipewire -c pipewire-pulse.conf &"
+			elog
+		fi
+		elog "NOTE:"
+		elog "Starting with PipeWire-0.3.30, this package is no longer installing its config"
+		elog "into ${EROOT}/etc/pipewire by default. In case you need to change"
+		elog "its config, please start by copying default config from ${EROOT}/usr/share/pipewire"
+		elog "and just override the sections you want to change."
+	fi
+	elog
+
+	elog "For latest tips and tricks, troubleshooting information and documentation"
+	elog "in general, please refer to https://wiki.gentoo.org/wiki/PipeWire"
+	elog
+
+	optfeature_header "The following can be installed for optional runtime features:"
+	optfeature "restricted realtime capabilities via D-Bus" sys-auth/rtkit
+
+	if use sound-server && ! use pipewire-alsa; then
+		optfeature "ALSA plugin to use PulseAudio interface for output" "media-plugins/alsa-plugins[pulseaudio]"
+	fi
+
+	if has_version 'net-misc/ofono' ; then
+		ewarn "Native backend has become default. Please disable oFono via:"
+		if systemd_is_booted ; then
+			ewarn "systemctl disable ofono"
+		else
+			ewarn "rc-update delete ofono"
+		fi
+		ewarn
+	fi
+
+	if use system-service; then
+		ewarn
+		ewarn "WARNING: you have enabled the system-service USE flag, which installs"
+		ewarn "the system-wide systemd units that enable PipeWire to run as a system"
+		ewarn "service. This is more than likely NOT what you want. You are strongly"
+		ewarn "advised not to enable this mode and instead stick with systemd user"
+		ewarn "units. The default configuration files will likely not work out of"
+		ewarn "box, and you are on your own with configuration."
+		ewarn
+	fi
+}