{
  "info": {
    "id": 47,
    "origId": "Media Source Extensions",
    "name": "Media Source Extensions",
    "url": "https://www.w3.org/TR/media-source/",
    "catId": "media"
  },
  "features": [
    "HTMLVideoElement.prototype.getVideoPlaybackQuality",
    "MediaSource.isTypeSupported",
    "MediaSource.prototype.addSourceBuffer",
    "MediaSource.prototype.endOfStream",
    "MediaSource.prototype.removeSourceBuffer",
    "SourceBuffer.prototype.abort",
    "SourceBuffer.prototype.appendBuffer",
    "SourceBuffer.prototype.remove"
  ]
}