# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7
inherit meson bash-completion-r1 flag-o-matic gnome2-utils linux-info systemd toolchain-funcs udev multilib-minimal

DESCRIPTION="A networked sound server with an advanced plugin system"
HOMEPAGE="https://www.freedesktop.org/wiki/Software/PulseAudio/"
SRC_URI="https://freedesktop.org/software/pulseaudio/releases/${P}.tar.xz"
if [[ ${PV} = 9999 ]]; then
	inherit git-r3
	SRC_URI=""
	EGIT_BRANCH="master"
	EGIT_REPO_URI="https://gitlab.freedesktop.org/pulseaudio/pulseaudio"
fi
# 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"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux"

# +alsa-plugin as discussed in bug #519530
IUSE="+alsa +alsa-plugin +asyncns bluetooth +caps dbus doc equalizer elogind gconf
+gdbm +glib gtk ipv6 jack libsamplerate libressl lirc native-headset
ofono-headset +orc oss qt5 realtime selinux sox ssl systemd system-wide tcpd test
+udev +webrtc-aec +X zeroconf"

RESTRICT="!test? ( test )"
# See "*** BLUEZ support not found (requires D-Bus)" in configure.ac
REQUIRED_USE="
	?? ( elogind systemd )
	bluetooth? ( dbus )
	equalizer? ( dbus )
	ofono-headset? ( bluetooth )
	native-headset? ( bluetooth )
	realtime? ( dbus )
	udev? ( || ( alsa oss ) )
"

# libpcre needed in some cases, bug #472228
RDEPEND="
	|| (
		elibc_glibc? ( virtual/libc )
		elibc_uclibc? ( virtual/libc )
		dev-libs/libpcre
	)
	>=media-libs/libsndfile-1.0.20[${MULTILIB_USEDEP}]
	X? (
		>=x11-libs/libX11-1.4.0[${MULTILIB_USEDEP}]
		>=x11-libs/libxcb-1.6[${MULTILIB_USEDEP}]
		x11-libs/libSM[${MULTILIB_USEDEP}]
		x11-libs/libICE[${MULTILIB_USEDEP}]
		x11-libs/libXtst[${MULTILIB_USEDEP}]
	)
	caps? ( >=sys-libs/libcap-2.22-r2[${MULTILIB_USEDEP}] )
	libsamplerate? ( >=media-libs/libsamplerate-0.1.1-r1 )
	alsa? ( >=media-libs/alsa-lib-1.0.19 )
	glib? ( >=dev-libs/glib-2.26.0:2[${MULTILIB_USEDEP}] )
	zeroconf? ( >=net-dns/avahi-0.6.12[dbus] )
	jack? ( virtual/jack )
	tcpd? ( sys-apps/tcp-wrappers[${MULTILIB_USEDEP}] )
	lirc? ( app-misc/lirc )
	dbus? ( >=sys-apps/dbus-1.0.0[${MULTILIB_USEDEP}] )
	gtk? ( x11-libs/gtk+:3 )
	bluetooth? (
		>=net-wireless/bluez-5
		>=sys-apps/dbus-1.0.0
		media-libs/sbc[${MULTILIB_USEDEP}]
	)
	asyncns? ( net-libs/libasyncns[${MULTILIB_USEDEP}] )
	udev? ( >=virtual/udev-143[hwdb(+)] )
	equalizer? ( sci-libs/fftw:3.0 )
	ofono-headset? ( >=net-misc/ofono-1.13 )
	orc? ( >=dev-lang/orc-0.4.15 )
	sox? ( >=media-libs/soxr-0.1.1 )
	ssl? (
		!libressl? ( dev-libs/openssl:0= )
		libressl? ( dev-libs/libressl:= )
	)
	media-libs/speexdsp
	gdbm? ( sys-libs/gdbm:= )
	webrtc-aec? ( >=media-libs/webrtc-audio-processing-0.2 )
	elogind? ( sys-auth/elogind )
	systemd? ( sys-apps/systemd:0=[${MULTILIB_USEDEP}] )
	dev-libs/libltdl:0
	selinux? ( sec-policy/selinux-pulseaudio )
	realtime? ( sys-auth/rtkit )
	gconf? ( >=gnome-base/gconf-3.2.6 )
" # libltdl is a valid RDEPEND, libltdl.so is used for native abi in pulsecore and daemon

DEPEND="${RDEPEND}
	X? (
		x11-base/xorg-proto
		>=x11-libs/libXtst-1.0.99.2[${MULTILIB_USEDEP}]
	)
	dev-libs/libatomic_ops
"
# This is a PDEPEND to avoid a circular dep
PDEPEND="
	alsa? ( alsa-plugin? ( >=media-plugins/alsa-plugins-1.0.27-r1[pulseaudio,${MULTILIB_USEDEP}] ) )
"

# alsa-utils dep is for the alsasound init.d script (see bug #155707)
# bluez dep is for the bluetooth init.d script
# PyQt5 dep is for the qpaeq script
RDEPEND="${RDEPEND}
	equalizer? ( qt5? ( dev-python/PyQt5[dbus,widgets] ) )
	system-wide? (
		alsa? ( media-sound/alsa-utils )
		bluetooth? ( >=net-wireless/bluez-5 )
		acct-user/pulse
		acct-group/pulse-access
	)
	acct-group/audio
"

BDEPEND="
	doc? ( app-doc/doxygen )
	system-wide? ( dev-util/unifdef )
	test? ( >=dev-libs/check-0.9.10 )
	sys-devel/gettext
	sys-devel/m4
	virtual/pkgconfig
"

PATCHES=(

)

pkg_pretend() {
	CONFIG_CHECK="~HIGH_RES_TIMERS"
	WARNING_HIGH_RES_TIMERS="CONFIG_HIGH_RES_TIMERS:\tis not set (required for enabling timer-based scheduling in pulseaudio)\n"
	check_extra_config

	if linux_config_exists; then
		local snd_hda_prealloc_size=$(linux_chkconfig_string SND_HDA_PREALLOC_SIZE)
		if [ -n "${snd_hda_prealloc_size}" ] && [ "${snd_hda_prealloc_size}" -lt 2048 ]; then
			ewarn "A preallocated buffer-size of 2048 (kB) or higher is recommended for the HD-audio driver!"
			ewarn "CONFIG_SND_HDA_PREALLOC_SIZE=${snd_hda_prealloc_size}"
		fi
	fi
}

pkg_setup() {
	linux-info_pkg_setup
	gnome2_environment_reset #543364
}

src_prepare() {
	default

	# Skip test that cannot work with sandbox, bug #501846
	#sed -i -e '/lock-autospawn-test /d' src/Makefile.am || die
	#sed -i -e 's/lock-autospawn-test$(EXEEXT) //' src/Makefile.in || die
}

pa_meson_multilib_native_use_enable() {
	echo "-D ${2-${1}}=$(usex ${1} true false)"
}


pa_meson_multilib_native_use_feature() {
	echo "-D ${2-${1}}=$(usex ${1} enabled disabled)"
}

multilib_src_configure() {
	local emesonargs=(
		-D adrian-aec=false
		--localstatedir="${EPREFIX}"/var
		-D modlibexecdir="${EPREFIX}"/"usr/$(get_libdir)/pulseaudio-${PV}"
		-D systemduserunitdir=$(systemd_get_userunitdir)
		-D udevrulesdir="${EPREFIX}/$(get_udevdir)"/rules.d
		-D bashcompletiondir="$(get_bashcompdir)"
		$(pa_meson_multilib_native_use_feature alsa)
		$(pa_meson_multilib_native_use_enable bluetooth bluez5)
		$(pa_meson_multilib_native_use_feature glib gsettings)
		$(pa_meson_multilib_native_use_feature gtk)
		$(pa_meson_multilib_native_use_feature jack)
		$(pa_meson_multilib_native_use_feature libsamplerate samplerate)
		$(pa_meson_multilib_native_use_feature lirc)
		$(pa_meson_multilib_native_use_feature orc)
		$(pa_meson_multilib_native_use_feature oss oss-output)
		$(pa_meson_multilib_native_use_feature ssl openssl)
		# tests involve random modules, so just do them for the native
		$(pa_meson_multilib_native_use_enable test tests)
		$(pa_meson_multilib_native_use_feature udev)
		$(pa_meson_multilib_native_use_feature webrtc-aec)
		$(pa_meson_multilib_native_use_feature zeroconf avahi)
		$(pa_meson_multilib_native_use_feature equalizer fftw)
		$(pa_meson_multilib_native_use_feature sox soxr)
		-D database=$(multilib_native_usex gdbm gdbm simple)
		$(meson_feature glib)
		$(meson_feature asyncns)
		#$(meson_use cpu_flags_arm_neon neon-opt)
		$(meson_feature tcpd tcpwrap)
		$(meson_feature dbus)
		$(meson_feature X x11)
		$(meson_feature systemd)
		$(meson_use ipv6)
	)

	if use bluetooth; then
		emesonargs+=(
			$(pa_meson_multilib_native_use_enable native-headset bluez5-native-headset)
			$(pa_meson_multilib_native_use_enable ofono-headset bluez5-ofono-headset)
		)
	fi

	if multilib_is_native_abi; then
		# Make padsp work for non-native ABI, supposedly only possible with glibc; this is used by /usr/bin/padsp that comes from native build, thus we need this argument for native build
		if use elibc_glibc ; then
			emesonargs+=( -D pulsedsp-location="${EPREFIX}"'/usr/\\$$LIB/pulseaudio' )
		fi
	fi

	meson_src_configure
}

multilib_src_compile() {
	meson_src_compile

	if multilib_is_native_abi; then
		use doc && meson_src_compile doxygen
	fi
}

multilib_src_test() {
	# We avoid running the toplevel check target because that will run
	# po/'s tests too, and they are broken. Officially, it should work
	# with intltool 0.41, but that doesn't look like a stable release.
	if multilib_is_native_abi; then
		meson_src_test
	fi
}

multilib_src_install() {
	meson_src_install

	if multilib_is_native_abi; then
		if use doc ; then
			docinto html
			dodoc -r doxygen/html/
		fi
	else
		# remove foreign abi modules
		rm -rf "${ED}"/usr/$(get_libdir)/pulse-*/
	fi
}

multilib_src_install_all() {
	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 $(use_define zeroconf AVAHI) \
			$(use_define alsa) \
			$(use_define bluetooth) \
			$(use_define udev) \
			"${FILESDIR}/pulseaudio.init.d-5" \
			> "${T}/pulseaudio"

		doinitd "${T}/pulseaudio"

		systemd_dounit "${FILESDIR}/${PN}.service"

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

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

	dodoc NEWS README todo

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

pkg_postinst() {
	gnome2_schemas_update
	if use system-wide; then
		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 "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"
	fi

	if use equalizer && ! use qt5; then
		elog "You've enabled the 'equalizer' USE-flag but not the 'qt5' USE-flag."
		elog "This will build the equalizer module, but the 'qpaeq' tool"
		elog "which is required to set equalizer levels will not work."
	fi

	if use equalizer && use qt5; then
		elog "You will need to load some extra modules to make qpaeq work."
		elog "You can do that by adding the following two lines in"
		elog "/etc/pulse/default.pa and restarting pulseaudio:"
		elog "load-module module-equalizer-sink"
		elog "load-module module-dbus-protocol"
	fi

	if use native-headset && 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."
	fi

	if use libsamplerate; then
		elog "The libsamplerate based resamplers are now deprecated, because they offer no"
		elog "particular advantage over speex. Upstream suggests disabling them."
	fi
}

pkg_postrm() {
	gnome2_schemas_update
}