From c7d050e3ad2d30355a1bf2f34049358f3c506e0d Mon Sep 17 00:00:00 2001 From: depsterr Date: Fri, 29 Dec 2023 17:26:46 +0100 Subject: [PATCH] proper pipewire setup to utilize DAC --- computational/configuration.nix | 24 +++ computational/pipewire.conf | 308 ++++++++++++++++++++++++++++++++ shared/desktop.nix | 3 + 3 files changed, 335 insertions(+) create mode 100644 computational/pipewire.conf diff --git a/computational/configuration.nix b/computational/configuration.nix index aedc129..a38cf80 100644 --- a/computational/configuration.nix +++ b/computational/configuration.nix @@ -20,6 +20,30 @@ devices=/dev/sda1,/dev/sdb1 ''; + # [AUDIO] + environment.etc."pipewire/media-session.d/alsa-monitor.con".text = '' + enabled = true + + rules = { + { + matches = [ + { + node.name = "alsa_output.usb-SMSL_SMSL_USB_AUDIO-00.analog-stereo" + } + ] + + actions = { + update-props = { + audio.format = "S32_LE" + } + } + }, + } + ''; + + environment.etc."pipewire/pipewire.conf".text = builtins.readFile ./pipewire.conf; + + # [NETWORKING] networking.hostName = "computational"; networking.networkmanager.enable = true; diff --git a/computational/pipewire.conf b/computational/pipewire.conf new file mode 100644 index 0000000..3e9012e --- /dev/null +++ b/computational/pipewire.conf @@ -0,0 +1,308 @@ +context.properties = { + ## Configure properties in the system. + #library.name.system = support/libspa-support + #context.data-loop.library.name.system = support/libspa-support + #support.dbus = true + #link.max-buffers = 64 + link.max-buffers = 16 # version < 3 clients can't handle more + #mem.warn-mlock = false + #mem.allow-mlock = true + #mem.mlock-all = false + #clock.power-of-two-quantum = true + #log.level = 2 + #cpu.zero.denormals = false + + core.daemon = true # listening for socket connections + core.name = pipewire-0 # core name and socket name + + ## Properties for the DSP configuration. + # default.clock.rate = 48000 + default.clock.allowed-rates = [ 44100 48000 88200 96000, 176400 192000 352800 384000 705600 768000 ] + default.clock.quantum = 1024 + default.clock.min-quantum = 128 + default.clock.max-quantum = 2048 + #default.clock.quantum-limit = 8192 + #default.video.width = 640 + #default.video.height = 480 + #default.video.rate.num = 25 + #default.video.rate.denom = 1 + # + #settings.check-quantum = false + #settings.check-rate = false + # + # These overrides are only applied when running in a vm. + vm.overrides = { + default.clock.min-quantum = 1024 + } + + # keys checked below to disable module loading + module.x11.bell = true + # enables autoloading of access module, when disabled an alternative + # access module needs to be loaded. + module.access = true + # enables autoloading of module-jackdbus-detect + module.jackdbus-detect = true +} + +context.spa-libs = { + # = + # + # Used to find spa factory names. It maps an spa factory name + # regular expression to a library name that should contain + # that factory. + # + audio.convert.* = audioconvert/libspa-audioconvert + avb.* = avb/libspa-avb + api.alsa.* = alsa/libspa-alsa + api.v4l2.* = v4l2/libspa-v4l2 + api.libcamera.* = libcamera/libspa-libcamera + api.bluez5.* = bluez5/libspa-bluez5 + api.vulkan.* = vulkan/libspa-vulkan + api.jack.* = jack/libspa-jack + support.* = support/libspa-support + #videotestsrc = videotestsrc/libspa-videotestsrc + #audiotestsrc = audiotestsrc/libspa-audiotestsrc +} + +context.modules = [ + #{ name = + # ( args = { = ... } ) + # ( flags = [ ( ifexists ) ( nofail ) ] ) + # ( condition = [ { = ... } ... ] ) + #} + # + # Loads a module with the given parameters. + # If ifexists is given, the module is ignored when it is not found. + # If nofail is given, module initialization failures are ignored. + # If condition is given, the module is loaded only when the context + # properties all match the match rules. + # + + # Uses realtime scheduling to boost the audio thread priorities. This uses + # RTKit if the user doesn't have permission to use regular realtime + # scheduling. You can also clamp utilisation values to improve scheduling + # on embedded and heterogeneous systems, e.g. Arm big.LITTLE devices. + { name = libpipewire-module-rt + args = { + nice.level = -11 + #rt.prio = 88 + #rt.time.soft = -1 + #rt.time.hard = -1 + #uclamp.min = 0 + #uclamp.max = 1024 + } + flags = [ ifexists nofail ] + } + + # The native communication protocol. + { name = libpipewire-module-protocol-native + args = { + # List of server Unix sockets, and optionally permissions + #sockets = [ { name = "pipewire-0" }, { name = "pipewire-0-manager" } ] + } + } + + # The profile module. Allows application to access profiler + # and performance data. It provides an interface that is used + # by pw-top and pw-profiler. + { name = libpipewire-module-profiler } + + # Allows applications to create metadata objects. It creates + # a factory for Metadata objects. + { name = libpipewire-module-metadata } + + # Creates a factory for making devices that run in the + # context of the PipeWire server. + { name = libpipewire-module-spa-device-factory } + + # Creates a factory for making nodes that run in the + # context of the PipeWire server. + { name = libpipewire-module-spa-node-factory } + + # Allows creating nodes that run in the context of the + # client. Is used by all clients that want to provide + # data to PipeWire. + { name = libpipewire-module-client-node } + + # Allows creating devices that run in the context of the + # client. Is used by the session manager. + { name = libpipewire-module-client-device } + + # The portal module monitors the PID of the portal process + # and tags connections with the same PID as portal + # connections. + { name = libpipewire-module-portal + flags = [ ifexists nofail ] + } + + # The access module can perform access checks and block + # new clients. + { name = libpipewire-module-access + args = { + # Socket-specific access permissions + #access.socket = { pipewire-0 = "default", pipewire-0-manager = "unrestricted" } + + # Deprecated legacy mode (not socket-based), + # for now enabled by default if access.socket is not specified + #access.legacy = true + } + condition = [ { module.access = true } ] + } + + # Makes a factory for wrapping nodes in an adapter with a + # converter and resampler. + { name = libpipewire-module-adapter } + + # Makes a factory for creating links between ports. + { name = libpipewire-module-link-factory } + + # Provides factories to make session manager objects. + { name = libpipewire-module-session-manager } + + # Use libcanberra to play X11 Bell + { name = libpipewire-module-x11-bell + args = { + #sink.name = "" + #sample.name = "bell-window-system" + #x11.display = null + #x11.xauthority = null + } + flags = [ ifexists nofail ] + condition = [ { module.x11.bell = true } ] + } + { name = libpipewire-module-jackdbus-detect + args = { + #jack.library = libjack.so.0 + #jack.server = null + #jack.client-name = PipeWire + #jack.connect = true + #tunnel.mode = duplex # source|sink|duplex + source.props = { + #audio.channels = 2 + #midi.ports = 1 + #audio.position = [ FL FR ] + # extra sink properties + } + sink.props = { + #audio.channels = 2 + #midi.ports = 1 + #audio.position = [ FL FR ] + # extra sink properties + } + } + flags = [ ifexists nofail ] + condition = [ { module.jackdbus-detect = true } ] + } +] + +context.objects = [ + #{ factory = + # ( args = { = ... } ) + # ( flags = [ ( nofail ) ] ) + # ( condition = [ { = ... } ... ] ) + #} + # + # Creates an object from a PipeWire factory with the given parameters. + # If nofail is given, errors are ignored (and no object is created). + # If condition is given, the object is created only when the context properties + # all match the match rules. + # + #{ factory = spa-node-factory args = { factory.name = videotestsrc node.name = videotestsrc node.description = videotestsrc "Spa:Pod:Object:Param:Props:patternType" = 1 } } + #{ factory = spa-device-factory args = { factory.name = api.jack.device foo=bar } flags = [ nofail ] } + #{ factory = spa-device-factory args = { factory.name = api.alsa.enum.udev } } + #{ factory = spa-node-factory args = { factory.name = api.alsa.seq.bridge node.name = Internal-MIDI-Bridge } } + #{ factory = adapter args = { factory.name = audiotestsrc node.name = my-test node.description = audiotestsrc } } + #{ factory = spa-node-factory args = { factory.name = api.vulkan.compute.source node.name = my-compute-source } } + + # A default dummy driver. This handles nodes marked with the "node.always-driver" + # property when no other driver is currently active. JACK clients need this. + { factory = spa-node-factory + args = { + factory.name = support.node.driver + node.name = Dummy-Driver + node.group = pipewire.dummy + priority.driver = 20000 + #clock.id = monotonic # realtime | tai | monotonic-raw | boottime + #clock.name = "clock.system.monotonic" + } + } + { factory = spa-node-factory + args = { + factory.name = support.node.driver + node.name = Freewheel-Driver + priority.driver = 19000 + node.group = pipewire.freewheel + node.freewheel = true + } + } + + # This creates a new Source node. It will have input ports + # that you can link, to provide audio for this source. + #{ factory = adapter + # args = { + # factory.name = support.null-audio-sink + # node.name = "my-mic" + # node.description = "Microphone" + # media.class = "Audio/Source/Virtual" + # audio.position = "FL,FR" + # } + #} + + # This creates a single PCM source device for the given + # alsa device path hw:0. You can change source to sink + # to make a sink in the same way. + #{ factory = adapter + # args = { + # factory.name = api.alsa.pcm.source + # node.name = "alsa-source" + # node.description = "PCM Source" + # media.class = "Audio/Source" + # api.alsa.path = "hw:0" + # api.alsa.period-size = 1024 + # api.alsa.headroom = 0 + # api.alsa.disable-mmap = false + # api.alsa.disable-batch = false + # audio.format = "S16LE" + # audio.rate = 48000 + # audio.channels = 2 + # audio.position = "FL,FR" + # } + #} + + # Use the metadata factory to create metadata and some default values. + #{ factory = metadata + # args = { + # metadata.name = my-metadata + # metadata.values = [ + # { key = default.audio.sink value = { name = somesink } } + # { key = default.audio.source value = { name = somesource } } + # ] + # } + #} +] + +context.exec = [ + #{ path = + # ( args = "" ) + # ( condition = [ { = ... } ... ] ) + #} + # + # Execute the given program with arguments. + # If condition is given, the program is executed only when the context + # properties all match the match rules. + # + # You can optionally start the session manager here, + # but it is better to start it as a systemd service. + # Run the session manager with -h for options. + # + #{ path = "/nix/store/n5azqf4qgng00pzdw0xzg7dqjfvsfcgs-pipewire-0.3.85/bin/pipewire-media-session" args = "" + # condition = [ { exec.session-manager = null } { exec.session-manager = true } ] } + # + # You can optionally start the pulseaudio-server here as well + # but it is better to start it as a systemd service. + # It can be interesting to start another daemon here that listens + # on another address with the -a option (eg. -a tcp:4713). + # + #{ path = "/nix/store/n5azqf4qgng00pzdw0xzg7dqjfvsfcgs-pipewire-0.3.85/bin/pipewire" args = "-c pipewire-pulse.conf" + # condition = [ { exec.pipewire-pulse = null } { exec.pipewire-pulse = true } ] } +] diff --git a/shared/desktop.nix b/shared/desktop.nix index 5b8e5ee..47f29cd 100644 --- a/shared/desktop.nix +++ b/shared/desktop.nix @@ -85,6 +85,7 @@ # [SOUND] sound.enable = false; + security.rtkit.enable = true; services.pipewire = { enable = true; @@ -95,6 +96,8 @@ pulse.enable = true; + jack.enable = true; + wireplumber.enable = true; };