FreeTube/static/external-player-map.json

[
    {
        "name": "None",
        "value": "",
        "cmdArguments": null
    },
    {
        "name": "mpv",
        "value": "mpv",
        "cmdArguments": {
            "defaultExecutable": "mpv",
            "supportsYtdlProtocol": true,
            "videoUrl": "",
            "playlistUrl": "",
            "startOffset": "--start=",
            "playbackRate": "--speed=",
            "playlistIndex": "--playlist-start=",
            "playlistReverse": null,
            "playlistShuffle": "--shuffle",
            "playlistLoop": "--loop-playlist"
        }
    },
    {
        "name": "VLC",
        "value": "vlc",
        "cmdArguments": {
            "defaultExecutable": "vlc",
            "supportsYtdlProtocol": false,
            "videoUrl": "",
            "playlistUrl": null,
            "startOffset": "--start-time=",
            "playbackRate": "--rate=",
            "playlistIndex": null,
            "playlistReverse": null,
            "playlistShuffle": "--random",
            "playlistLoop": "--loop"
        }
    }
]