{
  "method": "Read visible output source-frame counter, select matching generated reference and marked-source decoded frame; visual comparison only, no inferred pixel-error metric",
  "samples": [
    {
      "playbackSecond": 1,
      "sourceFrame": 41,
      "sourceSecond": 1.7083333333333333
    },
    {
      "playbackSecond": 2,
      "sourceFrame": 48,
      "sourceSecond": 2
    },
    {
      "playbackSecond": 3,
      "sourceFrame": 72,
      "sourceSecond": 3
    }
  ],
  "image": {
    "bytes": 78078,
    "pixels": [
      1530,
      1060
    ]
  }
}