{
    "metadata": {
        "duration": 228,
        "title": "HLS multiaudio",
		"preview": "https://repository.paellaplayer.upv.es/hls-multiaudio/preview.jpg"
    },
    "streams": [
        {
            "sources": {
              "mp4": [
                {
                  "src": "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4",
                  "mimetype": "video/mp4"
                }
              ]
            },
            "content": "presentation",
            "role": null
          },
        {
            "sources": {
              "hls": [
                {
                  "src": "https://streaming.uibk.ac.at/public/_definst_/mp4:c102/c102267/Streaming-UIBK.mp4/playlist.m3u8",
                  "mimetype": "video/mp4"
                }
              ]
            },
            "content": "presenter",
            "role": "mainAudio"
          }
    ]
  }