Ok I have this working in Gloria, I had to uninstall the Totem browser plugin and install the User Agent Switcher and make a string for quicktime to make it work.
I noticed this now opens Gnome Mplayer to play the streams. I guess the gecko-media player opens Gnome Mplayer?
Here's some screen shots:
Does this all seem good? I didn't think I needed to use the User Agent Switcher especially as Quicktime but I have to.