There's video in original that can be converted for IV.
https://instantview.telegram.org/checklist#6-4-2-video-audio-from-unsupported-players
>If it is not possible to represent the widget as an iFrame, but it is possible to get a direct link to the video/audio, use this link to generate a <video> or <audio> with the correct src attribute.

This part clearly says if there is link to _video file_ you have to use it to produce <video>/<audio> with src attribute set to it. You can't just put <a href> to page with player.

It's possible to obtain mp4 video link and use it with <video>, see my template