nymea/libguh/interfaces/mediaplayer.json

{
    "extends": "media",
    "states": [
        {
            "name": "playbackStatus",
            "type": "string",
            "allowedValues": ["Playing", "Paused", "Stopped"],
            "writable": true
        },
        {
            "name": "playerType",
            "type": "string",
            "allowedValues": ["audio", "video"]
        }
    ]
}