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I am entertaining building a video wall made out of many android devices. But I have to say I have no clue about how to go about it? The fact that these are android devices is not very important I am curious about the general approach to doing video walls with many separated devices. At best the desktop of one machine should be displayed on all the devices. If not I would be also interested in just showing just a video on that wall.

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I believe I've heard of MythTV being used this way, some how. Personally, after much googling, I suspect I'd settle in to writing a video output plugin/driver for mplayer and adapt that to your needs. That is a fairly non-trivial problem. –  Doc Jun 30 '11 at 15:55
This comment will not help in any way, but I wanted to brag that I work at the university with the highest resolution tiled display in the world. –  William Jackson Jun 30 '11 at 16:08
@the-white-phoenix - i agree that's seems a bit heavy duty, @william very nice :) –  machunter Jul 1 '11 at 7:14
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