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Mon, 21 Jul 2025 12:10:23 -0700 (PDT) Message-ID: <729ba86d-feb8-4d9e-9973-9483e114a3f8@gmail.com> Date: Mon, 21 Jul 2025 15:10:19 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Alyssa Ross , Spectrum OS Development References: <7f88f09b-5671-4f1e-86d7-df08dc2561eb@gmail.com> <87seiplw2d.fsf@alyssa.is> Content-Language: en-US From: Demi Marie Obenour Autocrypt: addr=demiobenour@gmail.com; keydata= xsFNBFp+A0oBEADffj6anl9/BHhUSxGTICeVl2tob7hPDdhHNgPR4C8xlYt5q49yB+l2nipd aq+4Gk6FZfqC825TKl7eRpUjMriwle4r3R0ydSIGcy4M6eb0IcxmuPYfbWpr/si88QKgyGSV Z7GeNW1UnzTdhYHuFlk8dBSmB1fzhEYEk0RcJqg4AKoq6/3/UorR+FaSuVwT7rqzGrTlscnT DlPWgRzrQ3jssesI7sZLm82E3pJSgaUoCdCOlL7MMPCJwI8JpPlBedRpe9tfVyfu3euTPLPx wcV3L/cfWPGSL4PofBtB8NUU6QwYiQ9Hzx4xOyn67zW73/G0Q2vPPRst8LBDqlxLjbtx/WLR 6h3nBc3eyuZ+q62HS1pJ5EvUT1vjyJ1ySrqtUXWQ4XlZyoEFUfpJxJoN0A9HCxmHGVckzTRl 5FMWo8TCniHynNXsBtDQbabt7aNEOaAJdE7to0AH3T/Bvwzcp0ZJtBk0EM6YeMLtotUut7h2 Bkg1b//r6bTBswMBXVJ5H44Qf0+eKeUg7whSC9qpYOzzrm7+0r9F5u3qF8ZTx55TJc2g656C 9a1P1MYVysLvkLvS4H+crmxA/i08Tc1h+x9RRvqba4lSzZ6/Tmt60DPM5Sc4R0nSm9BBff0N m0bSNRS8InXdO1Aq3362QKX2NOwcL5YaStwODNyZUqF7izjK4QARAQABzTxEZW1pIE1hcmll IE9iZW5vdXIgKGxvdmVyIG9mIGNvZGluZykgPGRlbWlvYmVub3VyQGdtYWlsLmNvbT7CwXgE EwECACIFAlp+A0oCGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJELKItV//nCLBhr8Q AK/xrb4wyi71xII2hkFBpT59ObLN+32FQT7R3lbZRjVFjc6yMUjOb1H/hJVxx+yo5gsSj5LS 9AwggioUSrcUKldfA/PKKai2mzTlUDxTcF3vKx6iMXKA6AqwAw4B57ZEJoMM6egm57TV19kz PMc879NV2nc6+elaKl+/kbVeD3qvBuEwsTe2Do3HAAdrfUG/j9erwIk6gha/Hp9yZlCnPTX+ VK+xifQqt8RtMqS5R/S8z0msJMI/ajNU03kFjOpqrYziv6OZLJ5cuKb3bZU5aoaRQRDzkFIR 6aqtFLTohTo20QywXwRa39uFaOT/0YMpNyel0kdOszFOykTEGI2u+kja35g9TkH90kkBTG+a EWttIht0Hy6YFmwjcAxisSakBuHnHuMSOiyRQLu43ej2+mDWgItLZ48Mu0C3IG1seeQDjEYP tqvyZ6bGkf2Vj+L6wLoLLIhRZxQOedqArIk/Sb2SzQYuxN44IDRt+3ZcDqsPppoKcxSyd1Ny 2tpvjYJXlfKmOYLhTWs8nwlAlSHX/c/jz/ywwf7eSvGknToo1Y0VpRtoxMaKW1nvH0OeCSVJ itfRP7YbiRVc2aNqWPCSgtqHAuVraBRbAFLKh9d2rKFB3BmynTUpc1BQLJP8+D5oNyb8Ts4x Xd3iV/uD8JLGJfYZIR7oGWFLP4uZ3tkneDfYzsFNBFp+A0oBEAC9ynZI9LU+uJkMeEJeJyQ/ 8VFkCJQPQZEsIGzOTlPnwvVna0AS86n2Z+rK7R/usYs5iJCZ55/JISWd8xD57ue0eB47bcJv VqGlObI2DEG8TwaW0O0duRhDgzMEL4t1KdRAepIESBEA/iPpI4gfUbVEIEQuqdqQyO4GAe+M kD0Hy5JH/0qgFmbaSegNTdQg5iqYjRZ3ttiswalql1/iSyv1WYeC1OAs+2BLOAT2NEggSiVO txEfgewsQtCWi8H1SoirakIfo45Hz0tk/Ad9ZWh2PvOGt97Ka85o4TLJxgJJqGEnqcFUZnJJ riwoaRIS8N2C8/nEM53jb1sH0gYddMU3QxY7dYNLIUrRKQeNkF30dK7V6JRH7pleRlf+wQcN fRAIUrNlatj9TxwivQrKnC9aIFFHEy/0mAgtrQShcMRmMgVlRoOA5B8RTulRLCmkafvwuhs6 dCxN0GNAORIVVFxjx9Vn7OqYPgwiofZ6SbEl0hgPyWBQvE85klFLZLoj7p+joDY1XNQztmfA rnJ9x+YV4igjWImINAZSlmEcYtd+xy3Li/8oeYDAqrsnrOjb+WvGhCykJk4urBog2LNtcyCj kTs7F+WeXGUo0NDhbd3Z6AyFfqeF7uJ3D5hlpX2nI9no/ugPrrTVoVZAgrrnNz0iZG2DVx46 x913pVKHl5mlYQARAQABwsFfBBgBAgAJBQJafgNKAhsMAAoJELKItV//nCLBwNIP/AiIHE8b oIqReFQyaMzxq6lE4YZCZNj65B/nkDOvodSiwfwjjVVE2V3iEzxMHbgyTCGA67+Bo/d5aQGj gn0TPtsGzelyQHipaUzEyrsceUGWYoKXYyVWKEfyh0cDfnd9diAm3VeNqchtcMpoehETH8fr RHnJdBcjf112PzQSdKC6kqU0Q196c4Vp5HDOQfNiDnTf7gZSj0BraHOByy9LEDCLhQiCmr+2 E0rW4tBtDAn2HkT9uf32ZGqJCn1O+2uVfFhGu6vPE5qkqrbSE8TG+03H8ecU2q50zgHWPdHM OBvy3EhzfAh2VmOSTcRK+tSUe/u3wdLRDPwv/DTzGI36Kgky9MsDC5gpIwNbOJP2G/q1wT1o Gkw4IXfWv2ufWiXqJ+k7HEi2N1sree7Dy9KBCqb+ca1vFhYPDJfhP75I/VnzHVssZ/rYZ9+5 1yDoUABoNdJNSGUYl+Yh9Pw9pE3Kt4EFzUlFZWbE4xKL/NPno+z4J9aWemLLszcYz/u3XnbO vUSQHSrmfOzX3cV4yfmjM5lewgSstoxGyTx2M8enslgdXhPthZlDnTnOT+C+OTsh8+m5tos8 HQjaPM01MKBiAqdPgksm1wu2DrrwUi6ChRVTUBcj6+/9IJ81H2P2gJk3Ls3AVIxIffLoY34E +MYSfkEjBz0E8CLOcAw7JIwAaeBT Subject: Re: [PATCH v5 8/8] img/app: Run PipeWire and WirePlumber in the VMs In-Reply-To: <87seiplw2d.fsf@alyssa.is> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------ia4sUAD90st08cOdBd8BuYMe" Message-ID-Hash: GJAMHSKXRBK2NDGBGI7J2GSJTLNCXHAV X-Message-ID-Hash: GJAMHSKXRBK2NDGBGI7J2GSJTLNCXHAV X-MailFrom: demiobenour@gmail.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-devel.spectrum-os.org-0; header-match-devel.spectrum-os.org-1; header-match-devel.spectrum-os.org-2; header-match-devel.spectrum-os.org-3; header-match-devel.spectrum-os.org-4; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: Patches and low-level development discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------ia4sUAD90st08cOdBd8BuYMe Content-Type: multipart/mixed; boundary="------------YocUZogsAti1bbh7wx2rKDR8"; protected-headers="v1" From: Demi Marie Obenour To: Alyssa Ross , Spectrum OS Development Message-ID: <729ba86d-feb8-4d9e-9973-9483e114a3f8@gmail.com> Subject: Re: [PATCH v5 8/8] img/app: Run PipeWire and WirePlumber in the VMs References: <7f88f09b-5671-4f1e-86d7-df08dc2561eb@gmail.com> <87seiplw2d.fsf@alyssa.is> In-Reply-To: <87seiplw2d.fsf@alyssa.is> --------------YocUZogsAti1bbh7wx2rKDR8 Content-Type: multipart/mixed; boundary="------------moK8pGXPS8ao9pQrM1K0nRV8" --------------moK8pGXPS8ao9pQrM1K0nRV8 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 7/21/25 05:42, Alyssa Ross wrote: > Demi Marie Obenour writes: >=20 >> WirePlumber is completely overkill as a session manager here, and >> ideally a trivial session manager would be used instead. I did build = a >> Spectrum OS image and found that PipeWire and WirePlumber both >> successfully started. PipeWire is configured to listen on the >> PulseAudio socket, so PulseAudio compatibility works. This does bring= a >> log of unnecessary files into the VMs, which will hopefully be removed= >> later as part of a debloating effort. >> >> Signed-off-by: Demi Marie Obenour >> --- >> img/app/Makefile | 17 +- >> img/app/default.nix | 3 + >> img/app/etc/mdev.conf | 3 + >> img/app/etc/pipewire/pipewire.conf | 199 +++++++ >> .../etc/s6-rc/app/dependencies.d/wireplumber | 0 >> .../s6-rc/pipewire/dependencies.d/directories | 0 >> .../etc/s6-rc/pipewire/dependencies.d/mdevd | 0 >> img/app/etc/s6-rc/pipewire/notification-fd | 1 + >> .../s6-rc/pipewire/notification-fd.license | 2 + >> img/app/etc/s6-rc/pipewire/run | 25 + >> img/app/etc/s6-rc/pipewire/type | 1 + >> img/app/etc/s6-rc/pipewire/type.license | 2 + >> .../etc/s6-rc/wireplumber/dependencies.d/dbus | 0 >> .../s6-rc/wireplumber/dependencies.d/pipewire | 0 >> img/app/etc/s6-rc/wireplumber/run | 4 + >> img/app/etc/s6-rc/wireplumber/type | 1 + >> img/app/etc/s6-rc/wireplumber/type.license | 2 + >> img/app/etc/wireplumber/wireplumber.conf | 536 +++++++++++++++++= + >> 18 files changed, 794 insertions(+), 2 deletions(-) >> create mode 100644 img/app/etc/pipewire/pipewire.conf >> create mode 100644 img/app/etc/s6-rc/app/dependencies.d/wireplumber >> create mode 100644 img/app/etc/s6-rc/pipewire/dependencies.d/director= ies >> create mode 100644 img/app/etc/s6-rc/pipewire/dependencies.d/mdevd >> create mode 100644 img/app/etc/s6-rc/pipewire/notification-fd >> create mode 100644 img/app/etc/s6-rc/pipewire/notification-fd.license= >> create mode 100644 img/app/etc/s6-rc/pipewire/run >> create mode 100644 img/app/etc/s6-rc/pipewire/type >> create mode 100644 img/app/etc/s6-rc/pipewire/type.license >> create mode 100644 img/app/etc/s6-rc/wireplumber/dependencies.d/dbus >> create mode 100644 img/app/etc/s6-rc/wireplumber/dependencies.d/pipew= ire >> create mode 100644 img/app/etc/s6-rc/wireplumber/run >> create mode 100644 img/app/etc/s6-rc/wireplumber/type >> create mode 100644 img/app/etc/s6-rc/wireplumber/type.license >> create mode 100644 img/app/etc/wireplumber/wireplumber.conf >> >> diff --git a/img/app/Makefile b/img/app/Makefile >> index e11be09a3c6ca801d9211e49b58e3d05d57e344e..734a76f018dfc1deaa9bf2= cfbd4fa0d6885f0546 100644 >> --- a/img/app/Makefile >> +++ b/img/app/Makefile >> @@ -53,7 +53,10 @@ VM_FILES =3D \ >> etc/s6-linux-init/scripts/rc.init \ >> etc/s6-linux-init/scripts/rc.shutdown \ >> etc/s6-linux-init/scripts/rc.shutdown.final \ >> - etc/xdg/xdg-desktop-portal/portals.conf >> + etc/xdg/xdg-desktop-portal/portals.conf \ >> + etc/pipewire/pipewire.conf \ >> + etc/wireplumber/wireplumber.conf >=20 > Sorting Will fix in v6. Does Unix or Vim `sort` give the order you want? >> diff --git a/img/app/etc/pipewire/pipewire.conf b/img/app/etc/pipewire= /pipewire.conf >> new file mode 100644 >> index 0000000000000000000000000000000000000000..cbea25d2c7ca274db8a3c8= 772439b0d3a8279f13 >> --- /dev/null >> +++ b/img/app/etc/pipewire/pipewire.conf >> @@ -0,0 +1,199 @@ >> +# SPDX-License-Identifier: MIT >> + >> +# Copyright =C2=A9 2018 Wim Taymans >> +# Copyright =C2=A9 2025 Demi Marie Obenour >> +# >> +# Permission is hereby granted, free of charge, to any person obtaini= ng a >> +# copy of this software and associated documentation files (the "Soft= ware"), >> +# to deal in the Software without restriction, including without limi= tation >> +# the rights to use, copy, modify, merge, publish, distribute, sublic= ense, >> +# and/or sell copies of the Software, and to permit persons to whom t= he >> +# Software is furnished to do so, subject to the following conditions= : >> +# >> +# The above copyright notice and this permission notice (including th= e next >> +# paragraph) shall be included in all copies or substantial portions = of the >> +# Software. >> +# >> +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXP= RESS OR >> +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABI= LITY, >> +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT = SHALL >> +# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES O= R OTHER >> +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARI= SING >> +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER= >> +# DEALINGS IN THE SOFTWARE. >> + >> +# This file is based on the upstream default configuration. This can= be >> +# found in upstream GitLab or in any distro with a recent version of = PipeWire. >> +# The following changes have been made: >> +# >> +# - Conditions that have known values in Spectrum VMs are omitted. >> +# - Modules for hardware devices Spectrum VMs don't have are not load= ed. >> +# - The PulseAudio emulation server is loaded. >> +# - Settings for VMs are applied unconditionally. >> +# - Most comments in the upstream files have been removed. >> +# - Device nodes for virtio-sound devices have been added. >> +# - Integration with udev and logind is removed. >> +context.properties =3D { >> + # Upstream defaults. >> + link.max-buffers =3D 16 >> + core.daemon =3D true >> + core.name =3D pipewire-0 >> + # Account for running in a VM >> + default.clock.min-quantum =3D 1024 >> +} >> + >> +# Upstream defaults, with support for AVB, V4L2, libcamera >> +# bluez, Vulkan, JACK, and video conversion omitted. >> +context.spa-libs =3D { >> + audio.convert.* =3D audioconvert/libspa-audioconvert >> + api.alsa.* =3D alsa/libspa-alsa >> + support.* =3D support/libspa-support >> +} >=20 > Any reason not to enable JACK? JACK is for when PipeWire uses JACK as a backend, which in a Spectrum VM will never happen. >> + >> +context.modules =3D [ >> + # Upstream defaults >> + { name =3D libpipewire-module-rt >> + args =3D { nice.level =3D -11, rt.prio =3D 88 } >> + } >> + { name =3D libpipewire-module-protocol-native } >> + { name =3D libpipewire-module-metadata } >> + { name =3D libpipewire-module-spa-device-factory } >> + { name =3D libpipewire-module-spa-node-factory } >> + { name =3D libpipewire-module-client-node } >> + { name =3D libpipewire-module-access } >> + { name =3D libpipewire-module-client-device } >> + { name =3D libpipewire-module-portal } >> + { name =3D libpipewire-module-adapter } >> + { name =3D libpipewire-module-link-factory } >> + { name =3D libpipewire-module-session-manager } >> + >> + # Load the PulseAudio server into PipeWire. >> + # This avoids needing a separate pipewire-pulse >> + # process. The args are those used when running >> + # in a VM. >> + { name =3D libpipewire-module-protocol-pulse >> + args =3D { >> + server.address =3D [ "unix:native" ] >> + pulse.min.quantum =3D 1024/48000 >> + } >> + } >=20 > So does upstream not load it into PipeWire? Upstream=E2=80=99s =E2=80=9Cminimal=E2=80=9D configuration has that as an= option. The default configuration for desktops is to use a separate pipewire-pulse process, but that wastes memory. Once every daemon is running as its own user, there could potentially be a very minor security win to doing this, as pipewire-pulse does not need access to any physical hardware. However, this assumes that the PipeWire native protocol is secure and that the program in the VM cannot escalate its privileges via a kernel vulnerability, neither of which are good assumptions. >> +] >> + >> +context.objects =3D [ >> + # Upstream defaults >> + { factory =3D spa-node-factory >> + args =3D { >> + factory.name =3D support.node.driver >> + node.name =3D Dummy-Driver >> + node.group =3D pipewire.dummy >> + node.sync-group =3D sync.dummy >> + priority.driver =3D 200000 >> + } >> + } >> + { factory =3D spa-node-factory >> + args =3D { >> + factory.name =3D support.node.driver >> + node.name =3D Freewheel-Driver >> + priority.driver =3D 190000 >> + node.group =3D pipewire.freewheel >> + node.sync-group =3D sync.dummy >> + node.freewheel =3D true >> + } >> + } >> + >> + # Spectrum doesn't use udev, so device nodes must be created stat= ically. >> + # Creating them with pw-cli works as long as pw-cli is running, b= ut >> + # the nodes are destroyed when pw-cli exits. >> + { factory =3D adapter >> + args =3D { >> + alsa.card =3D 0, >> + alsa.card_name =3D "VirtIO SoundCard" >> + alsa.device =3D 0 >> + alsa.driver_name =3D "virtio_snd" >> + alsa.id =3D "SoundCard" >> + alsa.long_card_name =3D "VirtIO SoundCard at pci/0000:= 00:01.0/virtio0" >> + alsa.name =3D "VirtIO SoundCard" >> + alsa.subdevice =3D 0 >> + alsa.subdevice_name =3D "subdevice #0" >> + api.alsa.card.longname =3D "VirtIO SoundCard at pci/0000:= 00:01.0/virtio0" >> + api.alsa.card.name =3D "VirtIO SoundCard" >> + api.alsa.headroom =3D 0 >> + api.alsa.path =3D "hw:0,0,0" >> + api.alsa.pcm.card =3D 0, >> + api.alsa.pcm.stream =3D "playback" >> + audio.allowed-rates =3D [ ] >> + audio.channels =3D 2 >> + audio.format =3D "S32" >> + audio.position =3D "FL,FR" >> + audio.rate =3D 48000 >> + factory.name =3D "api.alsa.pcm.sink" >> + media.class =3D "Audio/Sink" >> + node.name =3D "alsa_output" >> + node.suspend-on-idle =3D true >> + } >> + } >> + { factory =3D adapter >> + args =3D { >> + alsa.card =3D 0, >> + alsa.card_name =3D "VirtIO SoundCard" >> + alsa.device =3D 0 >> + alsa.driver_name =3D "virtio_snd" >> + alsa.id =3D "SoundCard" >> + alsa.long_card_name =3D "VirtIO SoundCard at pci/0000:= 00:01.0/virtio0" >> + alsa.name =3D "VirtIO SoundCard" >> + alsa.subdevice =3D 0 >> + alsa.subdevice_name =3D "subdevice #0" >> + api.alsa.card.longname =3D "VirtIO SoundCard at pci/0000:= 00:01.0/virtio0" >> + api.alsa.card.name =3D "VirtIO SoundCard" >> + api.alsa.headroom =3D 0 >> + api.alsa.path =3D "hw:0,0,0" >> + api.alsa.pcm.card =3D 0, >> + api.alsa.pcm.stream =3D "capture" >> + audio.allowed-rates =3D [ ] >> + audio.channels =3D 2 >> + audio.format =3D "S32" >> + audio.position =3D "FL,FR" >> + audio.rate =3D 48000 >> + factory.name =3D "api.alsa.pcm.source" >> + media.class =3D "Audio/Source" >> + node.name =3D "alsa_input" >> + node.suspend-on-idle =3D true >> + } >> + } >> +] >> + >> +# Load the modules that are in the default config *except* >> +# for ones whose job is to maintain state. >> +pulse.cmd =3D [ >> + { cmd =3D "load-module" args =3D "module-always-sink" flags =3D [= ] } >> + { cmd =3D "load-module" args =3D "module-device-manager" flags =3D= [ ] } >> +] >> + >> +# More default stuff. >> +pulse.rules =3D [ >> + { >> + matches =3D [ >> + { application.process.binary =3D "teams" } >> + { application.process.binary =3D "teams-insiders" } >> + { application.process.binary =3D "teams-for-linux" } >> + { application.process.binary =3D "skypeforlinux" } >> + ] >> + actions =3D { quirks =3D [ force-s16-info ] } >> + } >> + { >> + matches =3D [ { application.process.binary =3D "firefox" } ] >> + actions =3D { quirks =3D [ remove-capture-dont-move ] } >> + } >> + { >> + matches =3D [ { application.name =3D "~speech-dispatcher.*" }= ] >> + actions =3D { >> + update-props =3D { >> + pulse.min.req =3D 512/48000 >> + pulse.min.quantum =3D 512/48000 >> + pulse.idle.timeout =3D 5 >> + } >> + } >> + } >> +] >> + >> +context.exec =3D [] >=20 > I like this a lot better now, thanks! You're welcome! >> diff --git a/img/app/etc/s6-rc/pipewire/dependencies.d/mdevd b/img/app= /etc/s6-rc/pipewire/dependencies.d/mdevd >> new file mode 100644 >> index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29= ae775ad8c2e48c5391 >=20 > Probably not necessary, given we wait for the device anyway? Indeed so. >> diff --git a/img/app/etc/wireplumber/wireplumber.conf b/img/app/etc/wi= replumber/wireplumber.conf >> new file mode 100644 >> index 0000000000000000000000000000000000000000..68871e93083572976bba29= b44f07eb35b86c0275 >> --- /dev/null >> +++ b/img/app/etc/wireplumber/wireplumber.conf >> @@ -0,0 +1,536 @@ >> +# SPDX-License-Identifier: MIT >> + >> +# Copyright =C2=A9 2019-2021 Collabora Ltd. >> +# >> +# Permission is hereby granted, free of charge, to any person obtaini= ng a >> +# copy of this software and associated documentation files (the "Soft= ware"), >> +# to deal in the Software without restriction, including without limi= tation >> +# the rights to use, copy, modify, merge, publish, distribute, sublic= ense, >> +# and/or sell copies of the Software, and to permit persons to whom t= he >> +# Software is furnished to do so, subject to the following conditions= : >> +# >> +# The above copyright notice and this permission notice (including th= e next >> +# paragraph) shall be included in all copies or substantial portions = of the >> +# Software. >> +# >> +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXP= RESS OR >> +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABI= LITY, >> +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT = SHALL >> +# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES O= R OTHER >> +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARI= SING >> +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER= >> +# DEALINGS IN THE SOFTWARE. >> + >> +# This file is based on the upstream default configuration. This can= be >> +# found in upstream GitLab or in any distro with a recent version of = WirePlumber. >> +# The following changes have been made: >> +# >> +# - Conditions that have known values in Spectrum VMs are omitted. >> +# - Modules for hardware devices Spectrum VMs don't have are not load= ed. >> +# - Settings for VMs are applied unconditionally. >> +# - Most comments in the upstream files have been removed. >> +# - Integration with udev and logind is removed. >> +# - RT scheduling for the data thread is enabled. >> +# - The settings are those appropriate for a system-wide instance. >> + >> +context.spa-libs =3D { >> + api.alsa.* =3D alsa/libspa-alsa >> + audio.convert.* =3D audioconvert/libspa-audioconvert >> + support.* =3D support/libspa-support >> +} >> + >> +# Upstream default, with RT scheduling enabled. >> +context.modules =3D [ >> + { >> + name =3D libpipewire-module-rt >> + args =3D { nice.level =3D -11, rt.prio =3D 88 } >> + } >> + { name =3D libpipewire-module-protocol-native } >> + { name =3D libpipewire-module-metadata } >> +] >> + >> +wireplumber.profiles =3D { >> + main =3D { >> + metadata.sm-settings =3D required >> + metadata.sm-objects =3D required >> + >> + policy.standard =3D required >> + >> + hardware.audio =3D required >> + >> + # PipeWire Media Session is not running. >> + # Do not bother to check. >> + check.no-media-session =3D disabled >> + >> + # No Bluetooth >> + hardware.bluetooth =3D disabled >> + bluetooth.use-persistent-storage =3D disabled >> + bluetooth.autoswitch-to-headset-profile =3D disabled >=20 > It's enabled by default? Bluetooth is indeed enabled by default in the default configuration. 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Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEopQtqVJW1aeuo9/sszaHOrMp8lMFAmh+kJwACgkQszaHOrMp 8lOh5g//cTzGzp0MpBVWwH/sjfdk/Z6faPfLqfYEoj/XmgHgyX/r5+KkBaH128e4 YdxNvIaH9KaM4lbbm4yEj/CKH17+ev2biGxQYGh+VKxkB/a0F7fB1bBCFPYsJD7+ vpUmVaG3h1F1K/A/aw1WLcaJNfcQbIDlYP6MVsDDliXFIcr635ej5My1ywH86IDb 7Jm580pe5LVuVVU5O44XdK6B7NfgXpzRQWJpOrHxkSkNu8jEqbBEDTxNBOrYnnDL abkBxg87ImZCzId0in6jFZgQIUfQ/ucPDbGbkhKPzL+COJLLE7SrxtJ4u07hSMVX L4q21pia5L9Rsj4jayLL1rfRUXwVxtfRkcBixzVNj5WMZjJYaPvReQugiFDq2GoA 7Q4K1+zP0vRWpbDfguyvgURtLV5XlyY32GyTwZu0ZNz2EmeThsebi/yRJ8DgR2I8 OADaGw80vbL8uA7LC8du46MeWjcTzCKP0gxm+YMWKoXxgpYA0kmyTyLZ1cjl8ZEr hqnetf2K1y0NzxsUNua2/8QsvKRZcs4270r908k/IzMXfUx+0XAu6N0qKGpwpA5U Mty2Y0VqZToTJykVp4Ma81yekL04ZRM1I9eDw7NfpvlCpLyMdxJo5vAZ6JvFAFqX HqF30PAYWDZ7ADaesf+ujdFvsqG5kYQRq/ScKbIpdXniPD6uoCA= =GSVF -----END PGP SIGNATURE----- --------------ia4sUAD90st08cOdBd8BuYMe--