meta-pipewire/recipes-multimedia/wireplumber/wireplumber-board-config-agl/00-stream-output-audio.endpoint

   1 [match-node]
   2 priority = 0
   3 properties = [
   4   { name = "media.class", value = "Stream/Output/Audio" },
   5 ]
   6
   7 [endpoint]
   8 direction = "source"
   9 type = "pw-audio-softdsp-endpoint"