pipewire/src/daemon/jack.conf.in

# JACK client config file for PipeWire version @VERSION@ #
#
# Copy and edit this file in @PIPEWIRE_CONFIG_DIR@ for system-wide changes
# or in ~/.config/pipewire for local changes.

context.properties = {
    ## Configure properties in the system.
    #mem.warn-mlock  = false
    #mem.allow-mlock = true
    #mem.mlock-all   = false
    log.level        = 0
}

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.
    #
    support.* = support/libspa-support
}

context.modules = [
    #{ name = <module-name>
    #    [ args  = { <key> = <value> ... } ]
    #    [ flags = [ [ ifexists ] [ nofail ] ]
    #}
    #
    # 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.
    #
    #
    # Boost the data thread priority.
    { name = libpipewire-module-rt
        args = {
            #nice.level   = -11
            #rt.prio      = 88
            #rt.time.soft = 2000000
            #rt.time.hard = 2000000
        }
        flags = [ ifexists nofail ]
    }

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

    # 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 applications to create metadata objects. It creates
    # a factory for Metadata objects.
    { name = libpipewire-module-metadata }
]

# global properties for all jack clients
jack.properties = {
     #node.latency       = 1024/48000
     #node.lock-quantum  = false
     #jack.show-monitor  = true
     #jack.merge-monitor = false
     #jack.short-name    = false
     #jack.filter-name   = false
     #
     # allow:           Don't restrict self connect requests
     # fail-external:   Fail self connect requests to external ports only
     # ignore-external: Ignore self connect requests to external ports only
     # fail-all:        Fail all self connect requests
     # ignore-all:      Ignore all self connect requests
     #jack.self-connect-mode = allow
     #jack.locked-process    = true
}

# client specific properties
jack.rules = [
    {
        matches = [
            {
                # all keys must match the value. ~ starts regex.
                #client.name                = "Carla"
                #application.process.binary = "jack_simple_client"
                #application.name           = "~jack_simple_client.*"
            }
        ]
        actions = {
            update-props = {
                #node.latency = 512/48000
            }
        }
    }
]