{
  "source": "课堂教学视频2.mp4",
  "scope": "1140–1290s sampled every2sec;1178.25–1179.75 every.25sec; not exhaustive frame review",
  "interior_flags": [
    {
      "position": 14,
      "color": "Black",
      "time_seconds": 1272,
      "evidence": "21:12直接显示14；替代之前19的位置"
    },
    {
      "position": 43,
      "color": "White",
      "time_seconds": 1178.25,
      "evidence": "19:38.25直接显示43；后续抽样中此色标保留在同一位置"
    },
    {
      "position": 52,
      "color": "Black",
      "time_seconds": 1276,
      "evidence": "21:16直接显示52"
    },
    {
      "position": 68,
      "color": "White",
      "time_seconds": 1268,
      "evidence": "21:08直接显示68"
    },
    {
      "position": 80,
      "color": "Black",
      "time_seconds": 1266,
      "evidence": "21:06直接显示80"
    },
    {
      "position": 93,
      "color": "White",
      "time_seconds": 1270,
      "evidence": "21:10直接显示93"
    }
  ],
  "native_status": "07 saved reopened rendered; six interior flags verified; white44 corrected to43",
  "uncertain": [
    "endpoint0 hover at1274 shows inconsistent label; no endpoint color upgrade",
    "final camera transform and exposure",
    "room emission gray"
  ],
  "native_readback": {
    "file": "https://github.com/alowhit/alowhit.github.io/releases/download/vfx-source-videos-2026-11/project-66914b41ff4aef20-07_SourceRamp_Partial.max",
    "reopened": true,
    "changed": "white flag44 estimated corrected to43 based1178.25s; same position retained in later sampled frames",
    "flags": [
      {
        "property": "Flag__3",
        "position": 14.0,
        "rgb": [
          0.0,
          0.0,
          0.0
        ]
      },
      {
        "property": "Flag__4",
        "position": 43.0,
        "rgb": [
          255.0,
          255.0,
          255.0
        ]
      },
      {
        "property": "Flag__5",
        "position": 52.0,
        "rgb": [
          0.0,
          0.0,
          0.0
        ]
      },
      {
        "property": "Flag__6",
        "position": 68.0,
        "rgb": [
          255.0,
          255.0,
          255.0
        ]
      },
      {
        "property": "Flag__7",
        "position": 80.0,
        "rgb": [
          0.0,
          0.0,
          0.0
        ]
      },
      {
        "property": "Flag__8",
        "position": 93.0,
        "rgb": [
          255.0,
          255.0,
          255.0
        ]
      },
      {
        "property": "Flag__9",
        "position": 100.0,
        "rgb": [
          255.0,
          255.0,
          255.0
        ]
      }
    ],
    "source_confirmed_interior": [
      14,
      43,
      52,
      68,
      80,
      93
    ],
    "pending": [
      "endpoint exact colors retained from study;1274s hover label ambiguous",
      "camera final transform/exposure",
      "room exact gray",
      "whole assignment verification"
    ]
  }
}