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Filename : minimal.conf
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# Simple daemon config file for PipeWire version "1.0.1" #
#
# Copy and edit this file in /etc/pipewire for system-wide changes
# or in ~/.config/pipewire for local changes.
#
# It is also possible to place a file with an updated section in
# /etc/pipewire/minimal.conf.d/ for system-wide changes or in
# ~/.config/pipewire/minimal.conf.d/ for local changes.
#

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 = [ 48000 ]
    #default.clock.quantum       = 1024
    #default.clock.min-quantum   = 32
    #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      = true
    settings.check-rate         = true
    #
    # These overrides are only applied when running in a vm.
    vm.overrides = {
        default.clock.min-quantum = 1024
    }
}

context.spa-libs = {
    #<factory-name regex> = <library-name>
    #
    # 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
    api.alsa.*      = alsa/libspa-alsa
    support.*       = support/libspa-support
}

context.modules = [
    #{ name = <module-name>
    #    ( args  = { <key> = <value> ... } )
    #    ( flags = [ ( ifexists ) ( nofail ) ] )
    #    ( condition = [ { <key> = <value> ... } ... ] )
    #}
    #
    # 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.
    #

    # Uses realtime scheduling to boost the audio thread priorities. This uses
    # RTKit if the user doesn't have permission to use regular realtime
    # scheduling.
    { name = libpipewire-module-rt
        args = {
            nice.level   = -11
            #rt.prio      = 88
            #rt.time.soft = -1
            #rt.time.hard = -1
        }
        flags = [ ifexists nofail ]
    }

    # The native communication protocol.
    { name = libpipewire-module-protocol-native }

    # 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 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 }

    # The access module can perform access checks and block
    # new clients.
    { name = libpipewire-module-access
        args = {
            # access.allowed to list an array of paths of allowed
            # apps.
            #access.allowed = [
            #    /usr/bin/pipewire-media-session
            #]

            # An array of rejected paths.
            #access.rejected = [ ]

            # An array of paths with restricted access.
            #access.restricted = [ ]

            # Anything not in the above lists gets assigned the
            # access.force permission.
            #access.force = flatpak
        }
    }

    # 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 }
]

context.objects = [
    #{ factory = <factory-name>
    #    ( args  = { <key> = <value> ... } )
    #    ( flags = [ ( nofail ) ] )
    #    ( condition = [ { <key> = <value> ... } ... ] )
    #}
    #
    # Creates an object from a PipeWire factory with the given parameters.
    # If nofail is given, errors are ignored (and no object is created).
    #
    #{ 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 } }

    # Make a default metadata store
    { factory = metadata
        args = {
            metadata.name = default
    #       metadata.values = [
    #            { key = default.audio.sink   value = { name = somesink } }
    #            { key = default.audio.source value = { name = somesource } }
    #        ]
        }
    }

    # A default dummy driver. This handles nodes marked with the "node.always-process"
    # 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
        }
    }
    { 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 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              = "system"
            node.description       = "system"
            media.class            = "Audio/Source"
            api.alsa.path          = "hw:0"
            #api.alsa.period-size   = 0
            #api.alsa.period-num    = 0
            #api.alsa.headroom      = 0
            #api.alsa.start-delay   = 0
            #api.alsa.disable-mmap  = false
            #api.alsa.disable-batch = false
	    #api.alsa.use-chmap     = false
	    #api.alsa.multirate     = true
	    #latency.internal.rate  = 0
	    #latency.internal.ns    = 0
	    #clock.name             = api.alsa.0
            node.suspend-on-idle   = true
            #audio.format           = "S32"
            #audio.rate             = 48000
            #audio.allowed-rates    = [ ]
            #audio.channels         = 4
            #audio.position         = [ FL FR RL RR ]
            #resample.quality       = 4
            resample.disable       = true
            #monitor.channel-volumes = false
            #channelmix.normalize   = false
            #channelmix.mix-lfe     = true
            #channelmix.upmix       = true
            #channelmix.upmix-method = psd  # none, simple
            #channelmix.lfe-cutoff  = 150
            #channelmix.fc-cutoff   = 12000
            #channelmix.rear-delay  = 12.0
            #channelmix.stereo-widen = 0.0
            #channelmix.hilbert-taps = 0
            channelmix.disable     = true
            #dither.noise = 0
            #node.param.Props      = {
            #    params = [
            #        audio.channels 6
            #    ]
            #}
            adapter.auto-port-config = {
                mode = dsp
                monitor = false
                control = false
                position = unknown   # aux, preserve
            }
            #node.param.PortConfig    = {
            #    direction = Output
            #    mode = dsp
            #    format = {
            #        mediaType = audio
            #        mediaSubtype = raw
            #        format = F32
            #        rate = 48000
            #        channels = 4
            #        position = [ FL FR RL RR ]
            #    }
            #}
        }
    }
    { factory = adapter
        args = {
            factory.name           = api.alsa.pcm.sink
            node.name              = "system"
            node.description       = "system"
            media.class            = "Audio/Sink"
            api.alsa.path          = "hw:0"
            #api.alsa.period-size   = 0
            #api.alsa.period-num    = 0
            #api.alsa.headroom      = 0
            #api.alsa.start-delay   = 0
            #api.alsa.disable-mmap  = false
            #api.alsa.disable-batch = false
            #api.alsa.use-chmap     = false
            #api.alsa.multirate     = true
            #latency.internal.rate  = 0
            #latency.internal.ns    = 0
            #clock.name             = api.alsa.0
            node.suspend-on-idle     = true
            #audio.format           = "S32"
            #audio.rate             = 48000
            #audio.allowed-rates    = [ ]
            #audio.channels         = 2
            #audio.position         = "FL,FR"
            #resample.quality      = 4
            resample.disable      = true
            #channelmix.normalize  = false
            #channelmix.mix-lfe    = true
            #channelmix.upmix      = true
            #channelmix.upmix-method = psd  # none, simple
            #channelmix.lfe-cutoff = 150
            #channelmix.fc-cutoff  = 12000
            #channelmix.rear-delay = 12.0
            #channelmix.stereo-widen = 0.0
            #channelmix.hilbert-taps = 0
            channelmix.disable     = true
            #dither.noise = 0
            #node.param.Props      = {
            #    params = [
            #        audio.format  S16
            #    ]
            #}
            adapter.auto-port-config = {
                mode = dsp
                monitor = false
                control = false
                position = unknown   # aux, preserve
            }
            #node.param.PortConfig    = {
            #    direction = Input
            #    mode = dsp
            #    monitor = true
            #    format = {
            #        mediaType = audio
            #        mediaSubtype = raw
            #        format = F32
            #        rate = 48000
            #        channels = 4
            #    }
            #}
        }
    }
    # 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"
    #        adapter.auto-port-config = {
    #            mode = dsp
    #            monitor = true
    #            position = preserve   # unknown, aux, preserve
    #        }
    #    }
    #}
    # This creates a new link between the source and the virtual
    # source ports.
    #{ factory = link-factory
    #    args = {
    #        link.output.node = system
    #        link.output.port = capture_1
    #        link.input.node  = my-mic
    #        link.input.port  = input_FL
    #    }
    #}
    #{ factory = link-factory
    #    args = {
    #        link.output.node = system
    #        link.output.port = capture_2
    #        link.input.node  = my-mic
    #        link.input.port  = input_FR
    #    }
    #}
]

context.exec = [
    #{   path = <program-name>
    #    ( args = "<arguments>" )
    #    ( condition = [ { <key> = <value> ... } ... ] )
    #}
    #
    # Execute the given program with arguments.
    #
    # 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 = "/usr/bin/pipewire" args = "-c pipewire-pulse.conf" }
]