Is there something in HTML for specifying multiple video qualities (with a shared separate audio track)? Something like:
<video controls>
<source src="video-480p.mp4" type="video/mp4" label="480p">
<source src="video-720p.mp4" type="video/mp4" label="720p">
<source src="video-1080p.mp4" type="video/mp4" label="1080p">
<track src="audio.mp3" kind="captions" label="Audio" default>
</video>
Projects like Invidious need this feature to play DASH videos without JavaScript.
