envision/test/files/wivrn_config.json

{
  "scale": [0.8, 0.8],
  "bitrate": 100000000,
  "encoders": [
    {
      "encoder": "x264",
      "codec": "h264",
      "width": 1.0,
      "height": 1.0,
      "offset_x": 0.0,
      "offset_y": 0.0
    }
  ],
  "application": "foobar",
  "extraneous": "field",
  "other": {"weird": ["stuff"]}
}