How to grab live video from gopro3 via wifi?

according to the code in Android-GoPro-Streaming, i use the address “http://10.5.5.9/camera/PV?t=password&p=” (where password is the pasword of my gopro’s wifi) and ofxIpVideoGrabber to grab live video from gopro3 via wifi connection but fails. ping 10.5.5.9 is OK from my pc. is there anyone who grabbed video from gopro successfully?