pulseaudio-daemon-16.1-r7.ebuild

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

EAPI="7"

MY_PV="${PV/_pre*}"
MY_P="pulseaudio-${MY_PV}"
inherit bash-completion-r1 gnome2-utils meson optfeature systemd tmpfiles udev

DESCRIPTION="Daemon component of PulseAudio (networked sound server)"
HOMEPAGE="https://www.freedesktop.org/wiki/Software/PulseAudio/"

if [[ ${PV} = 9999 ]]; then
	inherit git-r3
	EGIT_BRANCH="master"
	EGIT_REPO_URI="https://gitlab.freedesktop.org/pulseaudio/pulseaudio"
else
	SRC_URI="https://freedesktop.org/software/pulseaudio/releases/${MY_P}.tar.xz"
	KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~loong ppc ppc64 ~riscv sparc x86 ~amd64-linux ~x86-linux"
fi

S="${WORKDIR}/${MY_P}"

# libpulse-simple and libpulse link to libpulse-core; this is daemon's
# library and can link to gdbm and other GPL-only libraries. In this
# cases, we have a fully GPL-2 package. Leaving the rest of the
# GPL-forcing USE flags for those who use them.
LICENSE="!gdbm? ( LGPL-2.1 ) gdbm? ( GPL-2 )"

SLOT="0"

# +alsa-plugin as discussed in bug #519530
# TODO: Find out why webrtc-aec is + prefixed - there's already the always available speexdsp-aec
# NOTE: The current ebuild sets +X almost certainly just for the pulseaudio.desktop file
IUSE="+alsa +alsa-plugin aptx +asyncns bluetooth dbus elogind equalizer fftw +gdbm +glib gstreamer jack ldac lirc
ofono-headset +orc oss selinux sox ssl systemd system-wide tcpd test +udev valgrind +webrtc-aec +X zeroconf"

RESTRICT="!test? ( test )"

# See "*** BLUEZ support not found (requires D-Bus)" in configure.ac
# Basically all IUSE are either ${MULTILIB_USEDEP} for client libs or they belong under !daemon ()
# We duplicate alsa-plugin, {native,ofono}-headset under daemon to let users deal with them at once
REQUIRED_USE="
	?? ( elogind systemd )
	alsa-plugin? ( alsa )
	aptx? ( bluetooth )
	bluetooth? ( dbus )
	equalizer? ( dbus )
	ldac? ( bluetooth )
	ofono-headset? ( bluetooth )
	udev? ( || ( alsa oss ) )
	zeroconf? ( dbus )
"

# NOTE:
# - libpcre needed in some cases, bug #472228
# - media-libs/speexdsp is providing echo canceller implementation and used in resampler
# TODO: libatomic_ops is only needed on some architectures and conditions, and then at runtime too
gstreamer_deps="
	media-libs/gst-plugins-base
	>=media-libs/gstreamer-1.14
"
COMMON_DEPEND="
	~media-libs/libpulse-${PV}[dbus?,glib?,systemd?,valgrind?,X?]
	dev-libs/libatomic_ops
	>=media-libs/libsndfile-1.0.20
	>=media-libs/speexdsp-1.2
	alsa? ( >=media-libs/alsa-lib-1.0.24 )
	aptx? ( ${gstreamer_deps} )
	asyncns? ( >=net-libs/libasyncns-0.1 )
	bluetooth? (
		>=net-wireless/bluez-5
		media-libs/sbc
	)
	dev-libs/libltdl
	sys-kernel/linux-headers
	>=sys-libs/libcap-2.22-r2
	dbus? ( >=sys-apps/dbus-1.4.12 )
	elibc_mingw? ( dev-libs/libpcre:3 )
	elogind? ( sys-auth/elogind )
	equalizer? (
		sci-libs/fftw:3.0=
	)
	fftw? (
		sci-libs/fftw:3.0=
	)
	gdbm? ( sys-libs/gdbm:= )
	glib? ( >=dev-libs/glib-2.28.0:2 )
	gstreamer? (
		${gstreamer_deps}
		>=dev-libs/glib-2.26.0:2
	)
	jack? ( virtual/jack )
	ldac? ( ${gstreamer_deps} )
	lirc? ( app-misc/lirc )
	ofono-headset? ( >=net-misc/ofono-1.13 )
	orc? ( >=dev-lang/orc-0.4.15 )
	selinux? ( sec-policy/selinux-pulseaudio )
	sox? ( >=media-libs/soxr-0.1.1 )
	ssl? ( dev-libs/openssl:= )
	systemd? ( sys-apps/systemd:= )
	tcpd? ( sys-apps/tcp-wrappers )
	udev? ( >=virtual/udev-143[hwdb(+)] )
	valgrind? ( dev-util/valgrind )
	webrtc-aec? ( >=media-libs/webrtc-audio-processing-0.2:0 )
	X? (
		>=x11-libs/libxcb-1.6
		x11-libs/libICE
		x11-libs/libSM
		>=x11-libs/libX11-1.4.0
		>=x11-libs/libXtst-1.0.99.2
	)
	zeroconf? ( >=net-dns/avahi-0.6.12[dbus] )
"

# pulseaudio ships a bundle xmltoman, which uses XML::Parser
DEPEND="
	${COMMON_DEPEND}
	test? ( >=dev-libs/check-0.9.10 )
	X? ( x11-base/xorg-proto )
"

# alsa-utils dep is for the alsasound init.d script (see bug 155707); TODO: read it
# NOTE: Only system-wide needs acct-group/audio unless elogind/systemd is not used
RDEPEND="
	${COMMON_DEPEND}
	system-wide? (
		alsa? ( media-sound/alsa-utils )
		acct-user/pulse
		acct-group/audio
		acct-group/pulse-access
	)
	bluetooth? (
		ldac? ( media-plugins/gst-plugins-ldac )
		aptx? ( media-plugins/gst-plugins-openaptx )
	)
	!media-video/pipewire[sound-server(+)]
"
unset gstreamer_deps

# This is a PDEPEND to avoid a circular dep
PDEPEND="
	alsa? ( alsa-plugin? ( >=media-plugins/alsa-plugins-1.0.27-r1[pulseaudio] ) )
"

BDEPEND="
	dev-lang/perl
	dev-perl/XML-Parser
	sys-devel/gettext
	sys-devel/m4
	virtual/libiconv
	virtual/libintl
	virtual/pkgconfig
	orc? ( >=dev-lang/orc-0.4.15 )
	system-wide? ( dev-util/unifdef )
"

DOCS=( NEWS README )

# patches merged upstream, to be removed with 16.2 or later bump
PATCHES=(
	"${FILESDIR}"/pulseaudio-16.0-optional-module-console-kit.patch
	"${FILESDIR}"/pulseaudio-16.1-module-combine-sink-load-crash.patch
	"${FILESDIR}"/pulseaudio-16.1-module-combine-sink-unload-crash.patch
	"${FILESDIR}"/pulseaudio-16.1-move-qpaeq-to-daemon.patch
)

src_prepare() {
	default

	gnome2_environment_reset
}

src_configure() {
	local enable_bluez5_gstreamer="disabled"
	if use aptx || use ldac ; then
		enable_bluez5_gstreamer="enabled"
	fi

	local enable_fftw="disabled"
	if use equalizer || use fftw ; then
		enable_fftw="enabled"
	fi

	local emesonargs=(
		--localstatedir="${EPREFIX}"/var

		-Ddaemon=true
		-Dclient=false
		-Ddoxygen=false
		-Dgcov=false
		-Dman=true
		# tests involve random modules, so just do them for the native # TODO: tests should run always
		$(meson_use test tests)
		-Ddatabase=$(usex gdbm gdbm simple) # tdb is also an option but no one cares about it
		-Dstream-restore-clear-old-devices=true
		-Drunning-from-build-tree=false

		# Paths
		-Dmodlibexecdir="${EPREFIX}/usr/$(get_libdir)/pulseaudio/modules" # Was $(get_libdir)/${P}
		-Dsystemduserunitdir=$(systemd_get_userunitdir)
		-Dudevrulesdir="${EPREFIX}$(get_udevdir)/rules.d"
		-Dbashcompletiondir="$(get_bashcompdir)" # Alternatively DEPEND on app-shells/bash-completion for pkg-config to provide the value

		# Optional features
		$(meson_feature alsa)
		$(meson_feature asyncns)
		$(meson_feature zeroconf avahi)
		$(meson_feature bluetooth bluez5)
		-Dbluez5-gstreamer=${enable_bluez5_gstreamer}
		$(meson_use bluetooth bluez5-native-headset)
		$(meson_use ofono-headset bluez5-ofono-headset)
		-Dconsolekit=disabled
		$(meson_feature dbus)
		$(meson_feature elogind)
		-Dfftw=${enable_fftw}
		$(meson_feature glib) # WARNING: toggling this likely changes ABI
		$(meson_feature glib gsettings) # Supposedly correct?
		$(meson_feature gstreamer)
		-Dgtk=disabled
		-Dhal-compat=false
		-Dipv6=true
		$(meson_feature jack)
		$(meson_feature lirc)
		$(meson_feature ssl openssl)
		$(meson_feature orc)
		$(meson_feature oss oss-output)
		-Dsamplerate=disabled # Matches upstream
		$(meson_feature sox soxr)
		-Dspeex=enabled
		$(meson_feature systemd)
		$(meson_feature tcpd tcpwrap)
		$(meson_feature udev)
		$(meson_feature valgrind)
		$(meson_feature X x11)

		# Echo cancellation
		-Dadrian-aec=false # Not packaged?
		$(meson_feature webrtc-aec)
	)

	meson_src_configure
}

src_install() {
	meson_src_install

	# qpaeq moved to media-sound/qpaeq
	if [[ -f "${ED}"/usr/bin/qpaeq ]]; then
		rm "${ED}"/usr/bin/qpaeq || die
	fi

	# Upstream installs 'pactl' if client is built, with all symlinks except for
	# 'pulseaudio', 'pacmd' and 'pasuspender' which are installed if server is built.
	# This trips QA warning, workaround:
	# - install missing aliases in media-libs/libpulse (client build)
	# - remove corresponding symlinks in media-sound/pulseaudio-daemonclient (server build)
	rm "${D}/$(get_bashcompdir)"/pulseaudio || die
	rm "${D}/$(get_bashcompdir)"/pacmd || die
	rm "${D}/$(get_bashcompdir)"/pasuspender || die

	# Daemon configuration scripts will try to load snippets from corresponding '.d' dirs.
	# Install these dirs to silence a warning if they are missing.
	keepdir /etc/pulse/default.pa.d
	keepdir /etc/pulse/system.pa.d

	if use system-wide; then
		newconfd "${FILESDIR}"/pulseaudio.conf.d pulseaudio

		use_define() {
			local define=${2:-$(echo ${1} | tr '[:lower:]' '[:upper:]')}

			use "${1}" && echo "-D${define}" || echo "-U${define}"
		}

		unifdef -x 1 \
			$(use_define zeroconf AVAHI) \
			$(use_define alsa) \
			$(use_define bluetooth) \
			$(use_define udev) \
			"${FILESDIR}"/pulseaudio.init.d-5 \
			> "${T}"/pulseaudio \
			|| die

		doinitd "${T}"/pulseaudio

		systemd_dounit "${FILESDIR}"/pulseaudio.service

		# We need /var/run/pulse, bug 442852
		newtmpfiles "${FILESDIR}"/pulseaudio.tmpfiles pulseaudio.conf
	else
		# Prevent warnings when system-wide is not used, bug 447694
		if use dbus; then
			rm "${ED}"/etc/dbus-1/system.d/pulseaudio-system.conf || die
		fi
	fi

	if use zeroconf; then
		sed -i \
			-e '/module-zeroconf-publish/s:^#::' \
			"${ED}/etc/pulse/default.pa" \
			|| die
	fi

	# Only enable autospawning pulseaudio daemon on systems without systemd
	if ! use systemd; then
		insinto /etc/pulse/client.conf.d
		newins "${FILESDIR}/enable-autospawn.conf" "enable-autospawn.conf"
	fi

	find "${ED}" \( -name '*.a' -o -name '*.la' \) -delete || die
}

pkg_postinst() {
	gnome2_schemas_update

	use udev && udev_reload

	if use system-wide; then
		tmpfiles_process "pulseaudio.conf"

		elog "You have enabled the 'system-wide' USE flag for pulseaudio."
		elog "This mode should only be used on headless servers, embedded systems,"
		elog "or thin clients. It will usually require manual configuration, and is"
		elog "incompatible with many expected pulseaudio features."
		elog "On normal desktop systems, system-wide mode is STRONGLY DISCOURAGED."
		elog ""
		elog "For more information, see"
		elog "    https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/WhatIsWrongWithSystemWide/"
		elog "    https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/SystemWide/"
		elog "    https://wiki.gentoo.org/wiki/PulseAudio#Headless_server"
		elog ""
	fi

	if use bluetooth; then
		elog "You have enabled bluetooth USE flag for pulseaudio. Daemon will now handle"
		elog "bluetooth Headset (HSP HS and HSP AG) and Handsfree (HFP HF) profiles using"
		elog "native headset backend by default. This can be selectively disabled"
		elog "via runtime configuration arguments to module-bluetooth-discover"
		elog "in /etc/pulse/default.pa"
		elog "To disable HFP HF append enable_native_hfp_hf=false"
		elog "To disable HSP HS append enable_native_hsp_hs=false"
		elog "To disable HSP AG append headset=auto or headset=ofono"
		elog "(note this does NOT require enabling USE ofono)"
		elog ""
	fi

	if use ofono-headset; then
		elog "You have enabled both native and ofono headset profiles. The runtime decision"
		elog "which to use is done via the 'headset' argument of module-bluetooth-discover."
		elog ""
	fi

	if use gstreamer; then
		elog "GStreamer-based RTP implementation modile enabled."
		elog "To use OPUS payload install media-plugins/gst-plugins-opus"
		elog "and add enable_opus=1 argument to module-rtp-send"
		elog ""
	fi

	if use systemd; then
		elog "Pulseaudio autospawn by client library is no longer enabled when systemd is available."
		elog "It's recommended to start pulseaudio via its systemd user units:"
		elog ""
		elog "  systemctl --user enable pulseaudio.service pulseaudio.socket"
		elog ""
		elog "Root user can change system default configuration for all users:"
		elog ""
		elog "  systemctl --global enable pulseaudio.service pulseaudio.socket"
		elog ""
		elog "If you would like to enable autospawn by client library, edit autospawn flag in /etc/pulse/client.conf like this:"
		elog ""
		elog "  autospawn = yes"
		elog ""
		elog "The change from autospawn to user units will take effect after restarting."
		elog ""
	fi

	optfeature_header "PulseAudio can be enhanced by installing the following:"
	use equalizer && optfeature "qpaeq script for equalizer GUI" media-sound/qpaeq
	use dbus && optfeature "restricted realtime capabilities via D-Bus" sys-auth/rtkit
}

pkg_postrm() {
	gnome2_schemas_update
	use udev && udev_reload
}

Thank you!