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+SUMMARY     = "Multimedia processing server for Linux"
+DESCRIPTION = "Linux server for handling and routing audio and video streams between applications and multimedia I/O devices"
+HOMEPAGE    = "https://pipewire.org/"
+BUGTRACKER  = "https://gitlab.freedesktop.org/pipewire/pipewire/issues"
+AUTHOR      = "Wim Taymans <wtaymans@redhat.com>"
+SECTION     = "multimedia"
+
+LICENSE = "MIT & LGPL-2.1-or-later & GPL-2.0-only"
+LIC_FILES_CHKSUM = " \
+    file://LICENSE;md5=2158739e172e58dc9ab1bdd2d6ec9c72 \
+    file://COPYING;md5=97be96ca4fab23e9657ffa590b931c1a \
+"
+
+DEPENDS = "dbus ncurses"
+
+SRCREV = "f274e53d25ee8f483ac6fce9e516bb1830abe88b"
+SRC_URI = " \
+        git://gitlab.freedesktop.org/pipewire/pipewire.git;branch=master;protocol=https \
+        file://0001-avb-fix-compilation-on-big-endian.patch \
+"
+
+S = "${WORKDIR}/git"
+
+inherit meson pkgconfig systemd gettext useradd
+
+USERADD_PACKAGES = "${PN}"
+
+GROUPADD_PARAM:${PN} = "--system pipewire"
+
+USERADD_PARAM:${PN} = "--system --home / --no-create-home \
+                       --comment 'PipeWire multimedia daemon' \
+                       --gid pipewire --groups audio,video \
+                       pipewire"
+
+SYSTEMD_PACKAGES = "${PN}"
+
+# For "EVL", look up https://evlproject.org/ . It involves
+# a specially prepared kernel, and is currently unavailable
+# in Yocto.
+#
+# Vulkan support is currently (as of version 0.3.44) not functional.
+#
+# manpage generation requires xmltoman, which is not available.
+#
+# The session-managers list specifies which session managers Meson
+# shall download (via git clone) and build as subprojects. In OE,
+# this is not how a session manager should be built. Instead, they
+# should be integrated as separate OE recipes. To prevent PipeWire
+# from using this Meson feature, set an empty list.
+# This does not disable support or the need for session managers,
+# it just prevents this subproject feature.
+#
+# AptX and LDAC are not available in OE. Currently, neither
+# are lv2 and ROC.
+#
+# The RTKit module is deprecated in favor of the newer RT module.
+# It still exists for legacy setups that still include it in
+# their PipeWire configuration files.
+EXTRA_OEMESON += " \
+    -Devl=disabled \
+    -Dtests=disabled \
+    -Dudevrulesdir=${nonarch_base_libdir}/udev/rules.d/ \
+    -Dsystemd-system-unit-dir=${systemd_system_unitdir} \
+    -Dsystemd-user-unit-dir=${systemd_user_unitdir} \
+    -Dman=disabled \
+    -Dsession-managers='[]' \
+    -Dlv2=disabled \
+    -Droc=disabled \
+    -Dbluez5-codec-aptx=disabled \
+    -Dbluez5-codec-ldac=disabled \
+    -Dlegacy-rtkit=false \
+"
+
+# spa alsa plugin code uses typedef redefinition, which is officially a C11 feature.
+# Pipewire builds with 'c_std=gnu99' by default. Recent versions of gcc don't issue this warning in gnu99
+# mode but it looks like clang still does
+CFLAGS:append = " -Wno-typedef-redefinition"
+
+# According to wireplumber documentation only one session manager should be installed at a time
+# Possible options are media-session, which has fewer dependencies but is very simple,
+# or wireplumber, which is more powerful.
+PIPEWIRE_SESSION_MANAGER ??= "media-session"
+
+FFMPEG_AVAILABLE = "${@bb.utils.contains('LICENSE_FLAGS_ACCEPTED', 'commercial', 'ffmpeg', '', d)}"
+BLUETOOTH_AAC = "${@bb.utils.contains('LICENSE_FLAGS_ACCEPTED', 'commercial', 'bluez-aac', '', d)}"
+
+PACKAGECONFIG:class-target ??= " \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'zeroconf', 'avahi', '', d)} \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'bluetooth', 'bluez ${BLUETOOTH_AAC}', '', d)} \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'systemd systemd-system-service systemd-user-service', '', d)} \
+    ${@bb.utils.filter('DISTRO_FEATURES', 'alsa vulkan pulseaudio', d)} \
+    ${PIPEWIRE_SESSION_MANAGER} \
+    ${FFMPEG_AVAILABLE} gstreamer jack libusb pw-cat raop sndfile v4l2 udev volume \
+"
+
+# "jack" and "pipewire-jack" packageconfigs cannot be both enabled,
+# since "jack" imports libjack, and "pipewire-jack" generates
+# libjack.so* files, thus colliding with the libpack package. This
+# is why these two are marked in their respective packageconfigs
+# as being in conflict.
+PACKAGECONFIG[alsa] = "-Dalsa=enabled,-Dalsa=disabled,alsa-lib udev,,pipewire-alsa pipewire-alsa-card-profile"
+PACKAGECONFIG[avahi] = "-Davahi=enabled,-Davahi=disabled,avahi"
+PACKAGECONFIG[bluez] = "-Dbluez5=enabled,-Dbluez5=disabled,bluez5 sbc"
+PACKAGECONFIG[bluez-aac] = "-Dbluez5-codec-aac=enabled,-Dbluez5-codec-aac=disabled,fdk-aac"
+PACKAGECONFIG[docs] = "-Ddocs=enabled,-Ddocs=disabled,doxygen-native graphviz-native"
+PACKAGECONFIG[ffmpeg] = "-Dffmpeg=enabled,-Dffmpeg=disabled,ffmpeg"
+PACKAGECONFIG[gstreamer] = "-Dgstreamer=enabled,-Dgstreamer=disabled,glib-2.0 gstreamer1.0 gstreamer1.0-plugins-base,,gstreamer1.0-pipewire"
+PACKAGECONFIG[jack] = "-Djack=enabled,-Djack=disabled,jack,,,pipewire-jack"
+PACKAGECONFIG[libcamera] = "-Dlibcamera=enabled,-Dlibcamera=disabled,libcamera libdrm"
+PACKAGECONFIG[libcanberra] = "-Dlibcanberra=enabled,-Dlibcanberra=disabled,libcanberra"
+PACKAGECONFIG[libusb] = "-Dlibusb=enabled,-Dlibusb=disabled,libusb"
+PACKAGECONFIG[media-session] = ",,,pipewire-media-session"
+PACKAGECONFIG[pulseaudio] = "-Dlibpulse=enabled,-Dlibpulse=disabled,pulseaudio,,pipewire-pulse"
+PACKAGECONFIG[pipewire-alsa] = "-Dpipewire-alsa=enabled,-Dpipewire-alsa=disabled,alsa-lib"
+PACKAGECONFIG[pipewire-jack] = "-Dpipewire-jack=enabled -Dlibjack-path=${libdir}/${PW_MODULE_SUBDIR}/jack,-Dpipewire-jack=disabled,jack,,,jack"
+PACKAGECONFIG[pw-cat] = "-Dpw-cat=enabled,-Dpw-cat=disabled"
+PACKAGECONFIG[raop] = "-Draop=enabled,-Draop=disabled,openssl"
+PACKAGECONFIG[sdl2] = "-Dsdl2=enabled,-Dsdl2=disabled,libsdl2"
+PACKAGECONFIG[sndfile] = "-Dsndfile=enabled,-Dsndfile=disabled,libsndfile1"
+PACKAGECONFIG[systemd] = "-Dsystemd=enabled,-Dsystemd=disabled,systemd"
+PACKAGECONFIG[systemd-system-service] = "-Dsystemd-system-service=enabled,-Dsystemd-system-service=disabled,systemd"
+# "systemd-user-service" packageconfig will only install service
+# files to rootfs but not enable them as systemd.bbclass
+# currently lacks the feature of enabling user services.
+PACKAGECONFIG[systemd-user-service] = "-Dsystemd-user-service=enabled,-Dsystemd-user-service=disabled,systemd"
+# pw-cat needs sndfile packageconfig to be enabled
+PACKAGECONFIG[udev] = "-Dudev=enabled,-Dudev=disabled,udev"
+PACKAGECONFIG[v4l2] = "-Dv4l2=enabled,-Dv4l2=disabled,udev"
+PACKAGECONFIG[volume] = "-Dvolume=enabled,-Dvolume=disabled"
+PACKAGECONFIG[vulkan] = "-Dvulkan=enabled,-Dvulkan=disabled,vulkan-headers vulkan-loader"
+PACKAGECONFIG[webrtc-echo-cancelling] = "-Decho-cancel-webrtc=enabled,-Decho-cancel-webrtc=disabled,webrtc-audio-processing"
+PACKAGECONFIG[wireplumber] = ",,,wireplumber"
+
+PACKAGESPLITFUNCS:prepend = " split_dynamic_packages "
+PACKAGESPLITFUNCS:append = " set_dynamic_metapkg_rdepends "
+
+SPA_SUBDIR = "spa-0.2"
+PW_MODULE_SUBDIR = "pipewire-0.3"
+
+remove_unused_installed_files() {
+    # jack.conf is used by pipewire-jack (not the JACK SPA plugin).
+    # Remove it if pipewire-jack is not built to avoid creating the
+    # pipewire-jack package.
+    if ${@bb.utils.contains('PACKAGECONFIG', 'pipewire-jack', 'false', 'true', d)}; then
+        rm -f "${D}${datadir}/pipewire/jack.conf"
+    fi
+
+    # minimal.conf is an example of how to minimally configure the
+    # daemon and is not meant to be used for production.
+    rm -f "${D}${datadir}/pipewire/minimal.conf"
+}
+
+do_install[postfuncs] += "remove_unused_installed_files"
+
+python split_dynamic_packages () {
+    # Create packages for each SPA plugin. These plugins are located
+    # in individual subdirectories, so a recursive search is needed.
+    spa_libdir = d.expand('${libdir}/${SPA_SUBDIR}')
+    do_split_packages(d, spa_libdir, r'^libspa-(.*)\.so$', d.expand('${PN}-spa-plugins-%s'), 'PipeWire SPA plugin for %s', extra_depends='', recursive=True)
+
+    # Create packages for each PipeWire module.
+    pw_module_libdir = d.expand('${libdir}/${PW_MODULE_SUBDIR}')
+    do_split_packages(d, pw_module_libdir, r'^libpipewire-module-(.*)\.so$', d.expand('${PN}-modules-%s'), 'PipeWire %s module', extra_depends='', recursive=False)
+}
+
+python set_dynamic_metapkg_rdepends () {
+    import os
+    import oe.utils
+
+    # Go through all generated SPA plugin and PipeWire module packages
+    # (excluding the main package and the -meta package itself) and
+    # add them to the -meta package as RDEPENDS.
+
+    base_pn = d.getVar('PN')
+
+    spa_pn = base_pn + '-spa-plugins'
+    spa_metapkg =  spa_pn + '-meta'
+
+    pw_module_pn = base_pn + '-modules'
+    pw_module_metapkg =  pw_module_pn + '-meta'
+
+    d.setVar('ALLOW_EMPTY:' + spa_metapkg, "1")
+    d.setVar('FILES:' + spa_metapkg, "")
+
+    d.setVar('ALLOW_EMPTY:' + pw_module_metapkg, "1")
+    d.setVar('FILES:' + pw_module_metapkg, "")
+
+    blacklist = [ spa_pn, spa_metapkg, pw_module_pn, pw_module_metapkg ]
+    spa_metapkg_rdepends = []
+    pw_module_metapkg_rdepends = []
+    pkgdest = d.getVar('PKGDEST')
+
+    for pkg in oe.utils.packages_filter_out_system(d):
+        if pkg in blacklist:
+            continue
+
+        is_spa_pkg = pkg.startswith(spa_pn)
+        is_pw_module_pkg = pkg.startswith(pw_module_pn)
+        if not is_spa_pkg and not is_pw_module_pkg:
+            continue
+
+        if pkg in spa_metapkg_rdepends or pkg in pw_module_metapkg_rdepends:
+            continue
+
+        # See if the package is empty by looking at the contents of its
+        # PKGDEST subdirectory. If this subdirectory is empty, then then
+        # package is empty as well. Empty packages do not get added to
+        # the meta package's RDEPENDS.
+        pkgdir = os.path.join(pkgdest, pkg)
+        if os.path.exists(pkgdir):
+            dir_contents = os.listdir(pkgdir) or []
+        else:
+            dir_contents = []
+        is_empty = len(dir_contents) == 0
+        if not is_empty:
+            if is_spa_pkg:
+                spa_metapkg_rdepends.append(pkg)
+            if is_pw_module_pkg:
+                pw_module_metapkg_rdepends.append(pkg)
+
+    d.setVar('RDEPENDS:' + spa_metapkg, ' '.join(spa_metapkg_rdepends))
+    d.setVar('DESCRIPTION:' + spa_metapkg, spa_pn + ' meta package')
+
+    d.setVar('RDEPENDS:' + pw_module_metapkg, ' '.join(pw_module_metapkg_rdepends))
+    d.setVar('DESCRIPTION:' + pw_module_metapkg, pw_module_pn + ' meta package')
+}
+
+PACKAGES =+ "\
+    libpipewire \
+    ${PN}-tools \
+    ${PN}-pulse \
+    ${PN}-alsa \
+    ${PN}-jack \
+    ${PN}-spa-plugins \
+    ${PN}-spa-plugins-meta \
+    ${PN}-spa-tools \
+    ${PN}-modules \
+    ${PN}-modules-meta \
+    ${PN}-alsa-card-profile \
+    ${PN}-v4l2 \
+    gstreamer1.0-pipewire \
+"
+
+PACKAGES_DYNAMIC = "^${PN}-spa-plugins.* ^${PN}-modules.*"
+
+SYSTEMD_SERVICE:${PN} = "${@bb.utils.contains('PACKAGECONFIG', 'systemd-system-service', 'pipewire.service', '', d)}"
+CONFFILES:${PN} += "${datadir}/pipewire/pipewire.conf"
+FILES:${PN} = " \
+    ${datadir}/pipewire \
+    ${systemd_system_unitdir}/pipewire* \
+    ${systemd_user_unitdir}/pipewire* \
+    ${bindir}/pipewire \
+    ${bindir}/pipewire-avb \
+"
+
+RRECOMMENDS:${PN}:class-target += " \
+        pipewire-modules-meta \
+        pipewire-spa-plugins-meta \
+"
+
+FILES:${PN}-dev += " \
+    ${libdir}/${PW_MODULE_SUBDIR}/jack/libjack*.so \
+"
+
+CONFFILES:libpipewire += "${datadir}/pipewire/client.conf"
+FILES:libpipewire = " \
+    ${datadir}/pipewire/client.conf \
+    ${libdir}/libpipewire-*.so.* \
+"
+# Add the bare minimum modules and plugins required to be able
+# to use libpipewire. Without these, it is essentially unusable.
+RDEPENDS:libpipewire += " \
+    ${PN}-modules-client-node \
+    ${PN}-modules-protocol-native \
+    ${PN}-spa-plugins-support \
+"
+
+FILES:${PN}-tools = " \
+    ${bindir}/pw-cat \
+    ${bindir}/pw-cli \
+    ${bindir}/pw-dot \
+    ${bindir}/pw-dsdplay \
+    ${bindir}/pw-dump \
+    ${bindir}/pw-link \
+    ${bindir}/pw-loopback \
+    ${bindir}/pw-metadata \
+    ${bindir}/pw-mididump \
+    ${bindir}/pw-midiplay \
+    ${bindir}/pw-midirecord \
+    ${bindir}/pw-mon \
+    ${bindir}/pw-play \
+    ${bindir}/pw-profiler \
+    ${bindir}/pw-record \
+    ${bindir}/pw-reserve \
+    ${bindir}/pw-top \
+"
+
+# This is a shim daemon that is intended to be used as a
+# drop-in PulseAudio replacement, providing a pulseaudio-compatible
+# socket that can be used by applications that use libpulse.
+CONFFILES:${PN}-pulse += "${datadir}/pipewire/pipewire-pulse.conf"
+FILES:${PN}-pulse = " \
+    ${datadir}/pipewire/pipewire-pulse.conf \
+    ${systemd_system_unitdir}/pipewire-pulse.* \
+    ${systemd_user_unitdir}/pipewire-pulse.* \
+    ${bindir}/pipewire-pulse \
+"
+RDEPENDS:${PN}-pulse += " \
+    ${PN}-modules-protocol-pulse \
+"
+
+# ALSA plugin to redirect audio to pipewire.
+FILES:${PN}-alsa = "\
+    ${libdir}/alsa-lib/* \
+    ${datadir}/alsa/alsa.conf.d/* \
+"
+
+# JACK drop-in libraries to redirect audio to pipewire.
+CONFFILES:${PN}-jack = "${datadir}/pipewire/jack.conf"
+FILES:${PN}-jack = "\
+    ${bindir}/pw-jack \
+    ${datadir}/pipewire/jack.conf \
+    ${libdir}/${PW_MODULE_SUBDIR}/jack/libjack*.so.* \
+"
+
+# Dynamic SPA plugin packages (see set_dynamic_metapkg_rdepends).
+FILES:${PN}-spa-plugins = ""
+RRECOMMENDS:${PN}-spa-plugins += "${PN}-spa-plugins-meta"
+
+FILES:${PN}-spa-plugins-bluez5 += " \
+    ${datadir}/${SPA_SUBDIR}/bluez5/* \
+"
+
+FILES:${PN}-spa-tools = " \
+    ${bindir}/spa-* \
+"
+
+# Dynamic PipeWire module packages (see set_dynamic_metapkg_rdepends).
+FILES:${PN}-modules = ""
+RRECOMMENDS:${PN}-modules += "${PN}-modules-meta"
+
+CONFFILES:${PN}-modules-rt = "${datadir}/pipewire/client-rt.conf"
+FILES:${PN}-modules-rt += " \
+    ${datadir}/pipewire/client-rt.conf \
+    "
+
+CONFFILES:${PN}-modules-filter-chain = "${datadir}/pipewire/filter-chain/*"
+FILES:${PN}-modules-filter-chain += " \
+    ${datadir}/pipewire/filter-chain/* \
+"
+
+FILES:${PN}-alsa-card-profile = " \
+    ${datadir}/alsa-card-profile/* \
+    ${nonarch_base_libdir}/udev/rules.d/90-pipewire-alsa.rules \
+"
+
+# V4L2 interface emulator for sending/receiving data between PipeWire and V4L2 applications.
+FILES:${PN}-v4l2 += " \
+    ${bindir}/pw-v4l2 \
+    ${libdir}/${PW_MODULE_SUBDIR}/v4l2/libpw-v4l2.so \
+"
+
+FILES:gstreamer1.0-pipewire = " \
+    ${libdir}/gstreamer-1.0/* \
+"
+
+BBCLASSEXTEND = "native nativesdk"