[
    { "video": "EXAMPLE_intro.mp4",  "mode": 1, "vol": 1 },
    { "video": "EXAMPLE_main.mp4",   "mode": 5, "pixel": true, "vol": 3, "cols": 520 },
    { "video": "EXAMPLE_outro.mp4",  "mode": 3, "vol": 2, "cols": 240 }
]