{
  "files": {
    "source.mp4": {
      "first_packet_pts": "0.000000",
      "first_packet_dts": "-0.200000",
      "packet_count": 40,
      "frame_count": 40,
      "decode": {
        "file": "source.mp4",
        "exit_code": 0,
        "stderr": ""
      }
    },
    "copy-cut.mp4": {
      "first_packet_pts": "-0.300000",
      "first_packet_dts": "-0.500000",
      "packet_count": 15,
      "frame_count": 12,
      "decode": {
        "file": "copy-cut.mp4",
        "exit_code": 0,
        "stderr": ""
      }
    },
    "exact-cut.mp4": {
      "first_packet_pts": "0.000000",
      "first_packet_dts": "0.000000",
      "packet_count": 10,
      "frame_count": 10,
      "decode": {
        "file": "exact-cut.mp4",
        "exit_code": 0,
        "stderr": ""
      }
    }
  },
  "note": "流复制副本含目标点前包；首个显示帧另受容器edit list和播放器处理影响。"
}