android中的视频流问题

i m developing a simple application which will play video from a vlc streaming server through rtsp streaming...but while i m running the application it shows me a error like this "Mediaplayer Error(1,-21474648),Videoview Error:1,-21474648","ARTSPConnectio Status:RTSP/1.0 461 Unsupported transport"and MyHandler SETUP(1) completed with result 0" in the logCat and also displaying "this video can not be played" in the emulator..i m developing a simple application which will