When casting a camera with camera.play_stream to a google nest hub only the chromecast icon is showing up. The camers is a Foscam, but it happens with also if camera entity is based on RTSP platform.
Camera does show video in HA lovelace.
HA version: 0.118.4
Configuration:
’ - platform: generic
still_image_url: http://ip:rtsp-port/
stream_source: rtsp://usernameXXX:PWDXX@ip:rtsp-port/videoMain
name: Camera
’