{
  "id": "C05-N05",
  "title": "视频文件能打开却播到一半卡住，怎样做完整解码预检",
  "schema_version": "1.0",
  "evidence_kind": "合成输入与协议；非现场测试结果",
  "tool_versions": {
    "generator": "Python 3.12.4",
    "ffmpeg": "8.0.1（仅实际媒体生成与解码）"
  },
  "required_delivery": "完整解码日志、报错时间点和人工回看片段索引",
  "input": {
    "synthetic_log": [
      "[synthetic] invalid packet near pts=120.000",
      "[synthetic] run stopped"
    ],
    "error_pts": 120,
    "review_margin_seconds": 2
  },
  "expected": {
    "review_interval_seconds": [
      118,
      122
    ],
    "conclusion": "合成错误应转人工回看，不代表实际媒体损坏"
  },
  "measurement": null,
  "unmeasured": [
    "实体播放硬件",
    "显示刷新相位",
    "现场拍摄",
    "实际Windows目标机配置"
  ],
  "record_fields": [
    "input_hash",
    "stream_index",
    "exit_code",
    "last_pts",
    "error_pts",
    "review_start",
    "review_end",
    "review_result"
  ]
}