starting from this point: http://www.mattakis.com/blog/kisg/20090708/broadcasting-video-with-android-without-writing-to-the-file-system I\'m trying to create an application to s
You're probably going to want to use PHP's server socket functionality.
Here's a handy tutorial which goes through what you need to do in order to implement data streaming.
Depending on the incoming stream (protocol, etc.) you've ended up or want to end up using:
I'm not sure what you are willing to use/install on the LAMP, or what you'd prefer, but I know VLC can easily capture an incoming stream.
http://wiki.videolan.org/Documentation:Streaming_HowTo/Receive_and_Save_a_Stream
Of course, the Command Line only version of VLC is probably what you want. I've never done it, not sure how that works, I would hope it doesn't install a metric ton of extra packages. This is something to look at concerning possible concerns.