wireplumber.profiles = {
  policy = {
    agl.filter.equalizer-sink = required
  }
}

wireplumber.components = [
  {
    name = libpipewire-module-filter-chain, type = pw-module
    arguments = {
      node.description = "Equalizer Sink"
      media.name       = "Equalizer Sink"
      filter.graph = {
        nodes = [
          {
            type  = builtin
            name  = bass
            label = bq_lowshelf
            # the cut off freq of the bass filter can be adjusted here.
            control = { "Freq" = 250.0 "Q" = 1.0 "Gain" = 0.0 }
          }
          {
            type  = builtin
            name  = treble
            label = bq_peaking
            # the cut off freq of the treble filter can be adjusted here.
            control = { "Freq" = 6000.0 "Q" = 1.0 "Gain" = 0.0 }
          }
        ]
        links = [
          { output = "bass:Out" input = "treble:In" }
        ]
      }
      audio.channels = 2
      audio.position = [ FL FR ]
      capture.props = {
        node.name = "eq-sink"

        # this is a sink filter, so it will appear as a sink in wpctl/pactl/etc,
        # it will target a sink and can be chained with other sink smart filters
        media.class = Audio/Sink

        # treat this as a smart filter
        filter.smart = true

        # the unique name of the filter
        filter.smart.name = "agl.filter.equalizer-sink"

        ## set this to always link the filter to a particular sink
        ## or leave it unset in order to follow the default sink
        #filter.smart.target = { node.name = "alsa_output.pci-0000_00_01.0.analog-stereo" }

        ## here you can specify filter dependencies, using their names
        ## (filter.smart.name) if you set up many of them to be linked in a chain
        #filter.smart.before = []
        #filter.smart.after = []
      }
      playback.props = {
        node.name = "eq-output-stream"

        # This must be set to ensure that the real audio sink is suspended
        # when there is no active client stream linked
        node.passive = true

        # Set this to avoid linking the filter to role-based sinks when
        # role-based sinks are defined and node.stream.default-media-role is
        # configured in the settings
        media.role = "DSP"
      }
    }
    provides = agl.filter.equalizer-sink
    requires = [ pw.node-factory.adapter ]
    after = [ support.standard-event-source ]
  }
]