So you can get a free DNLA media server from here (versions for Windows, Linux and Mac OS X):
twonkyvision.com1
Seems to be a popular one and even incorporated into commerical products.
Paul Clarke's weblog - I live in A small town. Married + father to 2, I am a full stack web engineer, and I do mostly javascript / Node, some ruby, python, php etc. I like pubs, parkrun, eating, home-automation and other diy jiggery-pokery, history, family tree stuff, TV, squirrels, pirates, lego, + TIME TRAVEL.