{
  "scope": "Two locally generated artificial two-second MP4 examples, inspected with ffprobe. No device or OTT playback/performance comparison.",
  "files": [
    {
      "file": "codec-h264.mp4",
      "construction": "FFmpeg lavfi testsrc2; synthetic video, no audio; not a camera recording",
      "probe": {
        "programs": [],
        "stream_groups": [],
        "streams": [
          {
            "codec_name": "h264",
            "codec_type": "video",
            "width": 320,
            "height": 180,
            "pix_fmt": "yuv420p"
          }
        ],
        "format": {
          "format_name": "mov,mp4,m4a,3gp,3g2,mj2",
          "duration": "2.000000"
        }
      }
    },
    {
      "file": "codec-mpeg4.mp4",
      "construction": "FFmpeg lavfi testsrc2; synthetic video, no audio; not a camera recording",
      "probe": {
        "programs": [],
        "stream_groups": [],
        "streams": [
          {
            "codec_name": "mpeg4",
            "codec_type": "video",
            "width": 320,
            "height": 180,
            "pix_fmt": "yuv420p"
          }
        ],
        "format": {
          "format_name": "mov,mp4,m4a,3gp,3g2,mj2",
          "duration": "2.000000"
        }
      }
    }
  ]
}