pipewire/src/daemon/media-session.d/media-session.conf

# Media session config file #
context.properties = {
    # Properties to configure the session and some
    # modules.
    #mem.mlock-all = false
    #support.dbus  = true
}

context.spa-libs = {
    # Mapping from factory name to library.
    api.bluez5.*    = bluez5/libspa-bluez5
    api.alsa.*      = alsa/libspa-alsa
    api.v4l2.*      = v4l2/libspa-v4l2
    api.libcamera.* = libcamera/libspa-libcamera
}

context.modules = {
    #<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.
    #
    # Uses RTKit to boost the data thread priority.
    libpipewire-module-rtkit = {
        args = {
            #nice.level   = -11
            #rt.prio      = 20
            #rt.time.soft = 200000
            #rt.time.hard = 200000
        }
        flags = [ ifexists nofail ]
    }

    # The native communication protocol.
    libpipewire-module-protocol-native = null

    # Allows creating nodes that run in the context of the
    # client. Is used by all clients that want to provide
    # data to PipeWire.
    libpipewire-module-client-node = null

    # Allows creating devices that run in the context of the
    # client. Is used by the session manager.
    libpipewire-module-client-device = null

    # Makes a factory for wrapping nodes in an adapter with a
    # converter and resampler.
    libpipewire-module-adapter = null

    # Allows applications to create metadata objects. It creates
    # a factory for Metadata objects.
    libpipewire-module-metadata = null

    # Provides factories to make session manager objects.
    libpipewire-module-session-manager = null
}

session.modules = {
    # These are the modules that are enabled when a file with
    # the key name is found in the media-session.d config directory.
    # the default bundle is always enabled.

    default = [
        flatpak                 # manages flatpak access
        portal                  # manage portal permissions
        v4l2                    # video for linux udev detection
        #libcamera              # libcamera udev detection
        suspend-node            # suspend inactive nodes
        policy-node             # configure and link nodes
        #metadata               # export metadata API
        #default-nodes          # restore default nodes
        #default-profile        # restore default profiles
        #default-routes         # restore default route
        #streams-follow-default # move streams when default changes
        #alsa-seq               # alsa seq midi support
        #alsa-monitor           # alsa udev detection
        #bluez5                 # bluetooth support
        #restore-stream         # restore stream settings
    ]
    with-audio = [
        metadata
        default-nodes
        default-profile
        default-routes
        alsa-seq
        alsa-monitor
    ]
    with-alsa = [
        with-audio
    ]
    with-jack = [
        with-audio
    ]
    with-pulseaudio = [
        with-audio
        bluez5
        restore-stream
        streams-follow-default
    ]
}