How to share and stream data to and from my wireless devices

Which FREE apps and software should or could i use if i want stream data (music ,files, video) wirelessly from my Samsung Galaxy tab 10.1  and or Windows desktop pc via my wireless router  to my Airplay enabled Marantz receiver(LAN cable from router to receiver) and then too my HDTV(using RCA cables).Is this at all possible?
And can i share and access  data between these devices(especially between TAB & pc) using the wireless router an NOT the internet(ex using compueter clouding)
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If you have a samsung hdtv then check these videos

Software are allshare and samsung pc share manager.

The_NibblerAuthor Commented:
I fiddled around for two days struggling to get a connecting to the Marantz receiver.Turns out you can use the Windows Media Player to stream data from pc to Marantz receiver.Unfortunetly the Marantz software only sees my music and pictures but not my videos or movies

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The_NibblerAuthor Commented:
The answer i received wasn t the right solution.Although Ded9 was on the right path it wasn't the correct solution to my problem
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