[
  {
    "file": "before-V1.mp4",
    "returncode": 0,
    "stderr": ""
  },
  {
    "file": "before-V2.mp4",
    "returncode": 0,
    "stderr": ""
  },
  {
    "file": "before-V3.mp4",
    "returncode": 0,
    "stderr": ""
  },
  {
    "file": "before-V4.mp4",
    "returncode": 0,
    "stderr": ""
  },
  {
    "file": "after-V1.mp4",
    "returncode": 0,
    "stderr": ""
  },
  {
    "file": "after-V2.mp4",
    "returncode": 0,
    "stderr": ""
  },
  {
    "file": "after-V3.mp4",
    "returncode": 0,
    "stderr": ""
  },
  {
    "file": "after-V4.mp4",
    "returncode": 0,
    "stderr": ""
  }
]