jellyfin-media-player/resources/inputmaps/apple-remote.json

{
  "name": "Apple Remote",
  "idmatcher": "AppleRemote.*",
  "mapping": 
  {
      "1": {
        "short": "up",
        "long": "cycle_audio"
      },
      "2": {
        "short": "down",
        "long": "cycle_audio_back"
      },
      "3": "left",
      "4": "right",
      "5": "enter",
      "6": "back",
      "7": "play_pause"
  }
}