config.json

{
  "video": {
    "url-hd": "files/video/hd.mp4",
    "url-sd": "files/video/sd.mp4"
  },
  "audio": {
    "url-0": "files/audio/a1.mp3",
    "url-1": "files/audio/a2.mp3",
    "url-2": "files/audio/a3.mp3"
  },
  "streams": 3
}