media-video/pipewire: Add USE sound-server

Add USE sound-server to enable sound server with alsa and bluetooth devices.
Conditionally enable required wireplumber monitor parts and pipewire-pulse.

Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 20 insertions, 2 deletions

diff --git a/media-video/pipewire/metadata.xml b/media-video/pipewire/metadata.xml
index b7e4f57f5480..08adc4c25b4f 100644
--- a/media-video/pipewire/metadata.xml
+++ b/media-video/pipewire/metadata.xml
@@ -28,5 +28,6 @@
 		<flag name="ssl">Enable raop-sink support (needs <pkg>dev-libs/openssl</pkg>)</flag>
 		<flag name="system-service">Install systemd unit files for running as a system service. Not recommended.</flag>
 		<flag name="X">Enable audible bell for X11</flag>
+		<flag name="sound-server">Provide sound server using ALSA and bluetooth devices</flag>
 	</use>
 </pkgmetadata>
diff --git a/media-video/pipewire/pipewire-0.3.53.ebuild b/media-video/pipewire/pipewire-0.3.53.ebuild
index 9ab78449ccc3..a2f1daf3b80c 100644
--- a/media-video/pipewire/pipewire-0.3.53.ebuild
+++ b/media-video/pipewire/pipewire-0.3.53.ebuild
@@ -28,7 +28,8 @@ 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 doc echo-cancel extra gstreamer jack-client jack-sdk lv2 pipewire-alsa ssl system-service systemd test udev v4l X zeroconf"
+IUSE="bluetooth 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
@@ -36,6 +37,7 @@ IUSE="bluetooth doc echo-cancel extra gstreamer jack-client jack-sdk lv2 pipewir
 # 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
 REQUIRED_USE="
 	jack-sdk? ( !jack-client )
 	system-service? ( systemd )
@@ -250,12 +252,26 @@ multilib_src_install_all() {
 		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" > ${D}/etc/wireplumber/main.lua.d/89-gentoo-sound-server-enable-alsa-monitor.lua
+		dodir /etc/wireplumber/bluetooth.lua.d
+		echo "bluez_monitor.enabled = true" > ${D}/etc/wireplumber/bluetooth.lua.d/89-gentoo-sound-server-enable-bluez-monitor.lua
+	fi
+
 	if ! use systemd; then
 		insinto /etc/xdg/autostart
 		newins "${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
 }
@@ -310,7 +326,8 @@ pkg_postinst() {
 		ewarn "now on start ${EROOT}/usr/bin/gentoo-pipewire-launcher instead! It is highly"
 		ewarn "advised that a D-Bus user session is set up before starting the script."
 		ewarn
-		if has_version 'media-sound/pulseaudio[daemon]' || has_version 'media-sound/pulseaudio-daemon'; then
+
+		if use sound-server && ( has_version 'media-sound/pulseaudio[daemon]' || has_version 'media-sound/pulseaudio-daemon' ) ; then
 			elog "This ebuild auto-enables PulseAudio replacement. Because of that, users"
 			elog "are recommended to edit pulseaudio client configuration files:"
 			elog "${EROOT}/etc/pulse/client.conf and ${EROOT}/etc/pulse/client.conf.d/enable-autospawn.conf"