could you be a bit more specific what you mean with “i play something from tidal” … are you starting it via a voice command or via an app from your smartphone or …
This is far outside of my expertise, but my understanding is that the Chromecast can start different apps. One of those apps is used by homeassistant which is what we’re using simply by sending a media_play command (via home-assistant). There might be a completely different app for streaming data from tidal.
If there is no INTERGRATION from homeassistant that is able to set title and artists then this is likely due to the app that is running and simply not possible. If there is one, then we can try to debug it and understand how the informations are sent. As of now I didn’t find a way.
JKW
edit: please read Chromecast audio - attributes for streaming radio
I’m fairly sure that we won’t get the chromecast to expose title and artist … and then again: those information are already exposed by my integration.
https://github.com/KoljaWindeler/ytube_music_player/blob/f4aeebe878f6815cc27c80bfe7b33c5f7e9b030b/package/markdown.yaml
It’s just a matter of configuring your GUI to show those…