How to set up an HTTP video-streaming server for 'tablet independent viewing'?

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http://serverfault.com – I have a situation in our lab where we have a lot of video tutorials and a lot of different tablets are being used by the members of the group. Everyone wants to be able to 'stream' the videos from the server machine. Since ubiquitous apps don't exists for various different tablets I was thinking of being able to set up a 'web page' like youtube (intranet only) for streaming so folks can view it via the browser. I'm open to other solutions too. I'm not sure how it can be done. I'm okay if it involves a bit of coding too, or if I can set up with something off the shelf. What's the best I can d (HowTos)