When I set up an automation to send my camera stream to the google display it looks fine in the web app but when I run the action I get this error:
2025-05-29 12:00:07.284 ERROR (Thread-24) [homeassistant.components.cast.media_player] Failed to cast media https://myserveradress/api/hls/819c1ed5728c6d1d6f97ed107db6364a6b44b6089846673765f56df46d46e920/master_playlist.m3u8?authSig=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiIzNGY1MGZjZmM1NDk0ODAwOGI0Mjg5YjUzNmE1OGVhZSIsInBhdGgiOiIvYXBpL2hscy84MTljMWVkNTcyOGM2ZDFkNmY5N2VkMTA3ZGI2MzY0YTZiNDRiNjA4OTg0NjY3Mzc2NWY1NmRmNDZkNDZlOTIwL21hc3Rlcl9wbGF5bGlzdC5tM3U4IiwicGFyYW1zIjpbXSwiaWF0IjoxNzQ4NTM0NDA2LCJleHAiOjE3NDg2MjA4MDZ9.I3fbkyNzKU3MbeXPQBBeqVRG4ShOu5FcrKMgVSi74JU from internal_url (https://myserveradress). Please make sure the URL is: Reachable from the cast device and either a publicly resolvable hostname or an IP address
If I go to that url directly, i get a 404. I can see the cameras and get live streams from inside a dashboard but this seems to be broken.