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cannot watch video from utube in rstp format. error mesage Firefox doesn't know how to open this address, because the protocol (rtsp) isn't associated with any program.

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I am trying to watch a youtube video that is in rstp format. firefox gives me the following error message: Firefox doesn't know how to open this address, because the protocol (rtsp) isn't associated with any program. Is there any solution to this?

I am trying to watch a youtube video that is in rstp format. firefox gives me the following error message: Firefox doesn't know how to open this address, because the protocol (rtsp) isn't associated with any program. Is there any solution to this?

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See if you can enable the RTSP protocol in one of the media players that you have installed like the Windows Media Player or QuickTime.
You can also try to install the RealPlayer and select the RTSP protocol in that player.