Cast RTMP Stream to Google Display

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Hi, I have an RTMP stream from my streaming server, the address is in this form “rtmp://192.168.1.100/live/stream”

When I open it in VLC and use the cast feature in the VLC app to cast to my google home display, it works but that requires to be done through my phone. All I want is to be able to cast directly from home assistant and send the stream to my google display.

Since this is an RTMP stream and not jpg, I cant use the usual media_content_type: image/jpg

I was able to get it working by adding the RTMP stream as a camera THEN casting the feed of the camera to google display, but streaming a camera doesnt carry audio so I only get the live view video with no audio, Is there a way to write a script to send the RTMP feed directly to google display?

Any help is much appreciated!

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In case anyone is interested, I figured out how to cast the RTMP stream to google nest hub using command line, and then all you need is to write a script in Home Assistant to run that command. After that you can use it in any automatons by Home Assistant. The command is:

vlc --sout="#chromecast{ip=10.0.1.26}" --demux-filter=demux_chromecast rtmp://10.0.1.2/live/stream

I haven’t figured out how to create a script within HA to trigger a linux command but I’m sure its not hard. If anyone know please let me know.

Thanks.