Apps reduce delay from live camera streaming

[tajallipour]

hello,

I have tried to watch the live video stream (comes from the analog camera connected to computer via capture card) on a cell phone. I have tuned the encoder parameters of video server on the computer side on such a way to get as lowest captured delay on cell phone as possible but in the best case there is a 4-5 seconds delay between the live scene and the one seen on cell phone. I used

cell phone:
Xperia x10 OS 1.6 + VideoView to display the stream
encapsulated by: MJPEG and codec : Mpeg4

Server :
ubuntu OS + ffmpeg and ffserver

would you please give me some suggestion to get something real less than 0.5 sec?

Thanks guys