get video file via WiFi and online show

Hi all,
I am new in Android and want to create a project in eclipse that can receive a simple video file codes via WiFi and be able to show the video on the screen Online
I dont know yet that a open source program is availble for use
Now, i'm trying to connecting Wifi in C# in windows system to send a video file data
but i have trouble in android-side program

Can anyone help me if had a similar project or give me good links...