[
  {
  "Format": "webm",
  "Variants": [
    {
      "Scale": "1920:1080",
      "Resize": false,
      "VideoBitrate": 900,
      "AudioCodec": "none",
      "VideoCodec": "libvpx-vp9"
    },
    {
      "Scale": "1280:720",
      "Resize": true,
      "VideoBitrate": 600,
      "AudioCodec": "none",
      "VideoCodec": "libvpx-vp9"
    },
    {
      "Scale": "640:360",
      "Resize": true,
      "VideoBitrate": 300,
      "AudioCodec": "none",
      "VideoCodec": "libvpx-vp9"
    },
    {
      "AudioCodec": "libopus",
      "AudioBitrate": 192,
      "VideoCodec": "none"
    }
  ],
  "CRF": 30,
  "FPS": 30,
  "Input": "test*.mp4",
  "OutDir": "dash_test",
  "Passes": 1,
  "Dash": true,
  "Extras": [
    "-deadline", "realtime",
    "-row-mt", "1",
    "-cpu-used", "8",
    "-g", "150",
    "-keyint_min", "150",
    "-tile-columns", "4",
    "-tile-rows", "2",
    "-frame-parallel", "1",
    "-tune-content", "1"
    ]
  }
]