{
  "source_url": "https://ugchdrmturk.s3.us-east-2.amazonaws.com/videos/6933bbbbf17eb57fa32f10cbb520cec8.mp4",
  "source_sha256": "24b1d19670a697cd0ec5c852c60f562a9a3bfc20c2c4845722ee62d883cb5469",
  "source": "10-bit limited PQ BT.2020 NCL",
  "outputs": "1920x1080 30fps 180 frames, H.264 limited BT.709; 100-nit zero-black BT.1886 reference",
  "clipping": "Ld=min(L,100), then luminance-preserving gamut desaturation",
  "tone_mapping": "Ld=100 L/(L+100), then identical gamut desaturation",
  "roi_xywh": [
    0.3,
    0.05,
    0.4,
    0.4
  ],
  "roi_pixels_xyxy": [
    576,
    54,
    1344,
    486
  ],
  "sampled_crop_statistics": [
    {
      "time": 0.0,
      "crop_above_100_fraction": 0.8829421055169753,
      "crop_p50_p95_nits": [
        360.903406216685,
        695.8169375761493
      ]
    },
    {
      "time": 1.0,
      "crop_above_100_fraction": 0.8737401138117284,
      "crop_p50_p95_nits": [
        357.0686993840772,
        688.47289502668
      ]
    },
    {
      "time": 2.0,
      "crop_above_100_fraction": 0.8645622347608025,
      "crop_p50_p95_nits": [
        353.2552456343111,
        681.3360657148486
      ]
    },
    {
      "time": 3.0,
      "crop_above_100_fraction": 0.8669765142746914,
      "crop_p50_p95_nits": [
        353.27605811887315,
        688.4626851050677
      ]
    },
    {
      "time": 4.0,
      "crop_above_100_fraction": 0.8828968942901234,
      "crop_p50_p95_nits": [
        364.75516159167665,
        695.8169375761493
      ]
    },
    {
      "time": 5.0,
      "crop_above_100_fraction": 0.8867338204089507,
      "crop_p50_p95_nits": [
        376.6380342352996,
        703.1030664461333
      ]
    }
  ],
  "output_sha256": {
    "clipped": "89f998f1552c4137648d4c6a632343b03e2d02dd66bb07b905fd5d056331e1ac",
    "mapped": "46bfca061fe32b5609bdc18a0bcc1531f6a0506b652a5b3d2522637aca576ef5"
  },
  "purpose": "Deliberately severe hard clipping versus one fixed tone map; not representative of all SDR grades and not model reconstruction."
}