For Chromecast, media_player.play_media currently allows you to pass only media_content_id and media_content_type.
Would it be possible to add support to pass title and thumb as well? This is more useful for Nest Hub displays, but would also be useful for the HA media card.
This is already part of pychromecast:
mc = cast.media_controller
mc.play_media('url', 'audio/mp3', 'Title', 'thumb_url')
Currently this just displays a generic “Default Media Receiver Player” with no image.
Not sure when but I recently discovered that this is now available, see the extra info:
My issue now is to try and change that content while playing (i.e. without calling media_player.play_media and restarting the audio stream…
See my question: