{
  "主题": "全屏视频边缘被裁掉，怎样区分过扫描和播放器缩放",
  "证据类型": "编辑构造的合成样例；不是设备实测",
  "演示输入": {
    "canvas": {
      "width": 1920,
      "height": 1080
    },
    "outer_border": {
      "x": 0,
      "y": 0,
      "width": 1920,
      "height": 1080,
      "stroke_px": 1
    },
    "inner_border": {
      "x": 10,
      "y": 10,
      "width": 1900,
      "height": 1060,
      "stroke_px": 1
    },
    "corners": [
      {
        "label": "1",
        "x": 24,
        "y": 24
      },
      {
        "label": "2",
        "x": 1896,
        "y": 24
      },
      {
        "label": "3",
        "x": 24,
        "y": 1056
      },
      {
        "label": "4",
        "x": 1896,
        "y": 1056
      }
    ]
  },
  "现场空白记录": {
    "链路层": "",
    "输入模式": "",
    "缩放设置": "",
    "外框可见": "",
    "内框可见": "",
    "四角编号": "",
    "修改前后证据": ""
  }
}