In an desktop application that simultaneously displays media from multiple sources (video-wall), how would you reflect to the user that specific source is currently unavailable, assuming that the application keep trying to renew the connection every few seconds indefinitely?

if we assume that each media displayed in its own box or tile, do you think showing progress-bar or spinner is appropriate along with an error message?

i thought about switching between "error message" and spinner every time the application tries to reconnect, but i believe it will look irritating in case several media sources are disconnected at the same time.

In an desktop application that simultaneously displays media from multiple sources (video-wall), how would you reflect to the user that a specific source is currently unavailable, assuming that the application keeps trying to renew the connection, every few seconds, indefinitely?

If we assume that each media is displayed in its own box or tile, do you think showing a progress-bar or spinner is appropriate along with an error message?

I thought about switching between an error message and spinner every time the application tries to reconnect, but I believe it will look irritating in case several media sources are disconnected at the same time.