Whether it’s a video or live stream, most content hosted on YouTube is embeddable:
The [video-id] can be found in the YouTube URL In the example below, the video-id is QncFe02SLZo so that the embedded video link becomes:
A board with such a link will show a play button that the user can tap to watch a video.
You can modify the URL to autoplay without sound as follows:
To loop a single video, add &version=3&playlist=[video-id]&loop=1 to the URL, e.g.
This is useful for a welcome video in your lobby if you wish to replay it.
For a full list of URL parameters, visit https://developers.google.com/youtube/player_parameters