This is from 2010 but is an excellent starting point to begin your journey.
http://www.computeraudiophile.com/how-is-ted-coding-the-fpgaent/524-complete-guide-hifi-upnp-dlna-network-audio/This is from 2010 but is an excellent starting point to begin your journey.
http://www.computeraudiophile.com/how-is-ted-coding-the-fpgaent/524-complete-guide-hifi-upnp-dlna-network-audio/