How to change the thumb and title of media_player.play_media without restarting?

5

I have a solution to this problem. However, it requires a few changes.

  1. It requires custom code in the cast receiver app that is running in chromecast
  2. To send the required messages to the receiver app, pychromecast needs to be extended
  3. In order to play also local media in a custom receiver app, the receiver app needs to be hosted in the private network. Personally, I serve it directly from home assistant
  4. In order to serve a custom receiver app from the private network, it requires a smart redirect service which redirects chromecast from a public cast URL back into the private network.

I have created all of the above four parts and an example script that shows how to use it.

I have published everything in the following repository: GitHub - Lamarqe/cast-custom-receiver

I have also reached out to the maintainer of pychromecast as I would like to merge the pychromecast extensions back to the main source tree of pychromecast. I am currently waiting for feedback.

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