multimedia/pipewire: unbreak audio with default config

$ pw-play foo.wav
stream node 35 error: no node available
remote error: id=2 seq:5 res:-2 (No such file or directory): no node available

PR:		272004
Approved by:	arrowd (maintainer)

multimedia/pipewire/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	pipewire
 DISTVERSION=	0.3.62
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	multimedia
 MASTER_SITES=	https://gitlab.freedesktop.org/pipewire/media-session/-/archive/${MEDIA_SESSION_VERSION}/:media_session
 DISTFILES=	media-session-${MEDIA_SESSION_VERSION}${EXTRACT_SUFX}:media_session
@@ -13,8 +13,7 @@ LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	v4l_compat>0:multimedia/v4l_compat
-LIB_DEPENDS=	libasound.so:audio/alsa-lib \
+LIB_DEPENDS=	libdbus-1.so:devel/dbus \
-		libdbus-1.so:devel/dbus \
 		libinotify.so:devel/libinotify \
 		libepoll-shim.so:devel/libepoll-shim \
 		libsndfile.so:audio/libsndfile \
@@ -43,9 +42,12 @@ MANPAGES_BUILD_DEPENDS=	rst2man:textproc/py-docutils
 MANPAGES_MESON_ENABLED=	man
 
 MEDIASESSION_DESC=		Session manager support
+MEDIASESSION_LIB_DEPENDS=	libasound.so:audio/alsa-lib
+MEDIASESSION_RUN_DEPENDS=	alsa-plugins>0:audio/alsa-plugins
 MEDIASESSION_MESON_ENABLED=	alsa pipewire-alsa
 MEDIASESSION_MESON_ON=		-Dsession-managers=media-session
 MEDIASESSION_MESON_OFF=		-Dsession-managers=''
+MEDIASESSION_SUB_FILES=		10-alsa-default.conf
 
 PULSEAUDIO_MESON_ENABLED=	avahi libpulse
 PULSEAUDIO_LIB_DEPENDS=		libpulse.so:audio/pulseaudio \
@@ -97,4 +99,9 @@ post-patch-MEDIASESSION-on:
 	@${REINPLACE_CMD} '/manager_args/ s/@sm_comment@//g' \
 		${WRKSRC}/src/daemon/pipewire.conf.in
 
+post-install-MEDIASESSION-on:
+	@${MKDIR} ${STAGEDIR}${ETCDIR}/${PORTNAME}.conf.d
+	${INSTALL_DATA} ${WRKDIR}/10-alsa-default.conf \
+		${STAGEDIR}${ETCDIR}/${PORTNAME}.conf.d
+
 .include <bsd.port.mk>

multimedia/pipewire/files/10-alsa-default.conf.in

@@ -0,0 +1,23 @@
+# Create sink and source for the default device
+# See also %%LOCALBASE%%/etc/asound.conf
+
+context.objects = [
+    { factory = adapter
+       args = {
+           factory.name           = api.alsa.pcm.sink
+           node.name              = "alsa-sink"
+           node.description       = "PCM Sink"
+           media.class            = "Audio/Sink"
+           api.alsa.path          = "pcm.default"
+       }
+    }
+    { factory = adapter
+       args = {
+           factory.name           = api.alsa.pcm.source
+           node.name              = "alsa-source"
+           node.description       = "PCM Source"
+           media.class            = "Audio/Source"
+           api.alsa.path          = "pcm.default"
+       }
+    }
+]

multimedia/pipewire/pkg-plist

@@ -25,6 +25,7 @@ bin/spa-inspect
 bin/spa-json-dump
 bin/spa-monitor
 bin/spa-resample
+%%MEDIASESSION%%%%ETCDIR%%/pipewire.conf.d/10-alsa-default.conf
 include/pipewire-0.3/pipewire/array.h
 include/pipewire-0.3/pipewire/buffers.h
 include/pipewire-0.3/pipewire/client.h