remoting/host/linux/pipewire-pulse.conf.template

context.properties = {
    remote.name = "$instance_name"
}

context.spa-libs = {
    audio.convert.* = audioconvert/libspa-audioconvert
    support.*       = support/libspa-support
}

context.modules = [
    { name = libpipewire-module-protocol-native }
    { name = libpipewire-module-client-node }
    { name = libpipewire-module-adapter }
    { name = libpipewire-module-metadata }

    { name = libpipewire-module-protocol-pulse }
]

pulse.cmd = [
    { cmd = "load-module" args = "module-always-sink" }
    { cmd = "load-module" args = "module-pipe-sink sink_name=\"$sink_name\" file=\"$runtime_path/fifo_output\" rate=48000 channels=2 format=s16le" }
]

pulse.properties = {
    server.address = [ "unix:native" ]
    # These overrides are only applied when running in a vm.
    vm.overrides = {
        pulse.min.quantum = 1024/48000      # 22ms
    }
}

# client/stream specific properties
pulse.rules = [
    {
        # skype does not want to use devices that don't have an S16 sample format.
        matches = [
             { application.process.binary = "teams" }
             { application.process.binary = "teams-insiders" }
             { application.process.binary = "skypeforlinux" }
        ]
        actions = { quirks = [ force-s16-info ] }
    }
    {
        # firefox marks the capture streams as don't move and then they
        # can't be moved with pavucontrol or other tools.
        matches = [ { application.process.binary = "firefox" } ]
        actions = { quirks = [ remove-capture-dont-move ] }
    }
    {
        # speech dispatcher asks for too small latency and then underruns.
        matches = [ { application.name = "~speech-dispatcher.*" } ]
        actions = {
            update-props = {
                pulse.min.req          = 512/48000      # 10.6ms
                pulse.min.quantum      = 512/48000      # 10.6ms
                pulse.idle.timeout     = 5              # pause after 5 seconds of underrun
            }
        }
    }
]