tkinter_player/tkinter_app/resources/demo_playlist.json

{
    "playlist": [
        {
            "file_name": "demo1.jpg",
            "url": "Resurse/demo1.jpg",
            "duration": 20
        },
        {
            "file_name": "demo2.jpg",
            "url": "Resurse/demo2.jpg",
            "duration": 20
        }
    ],
    "version": 1
}