>I want to stream 3gp file.does the source code available in ><http://live555.com>live555.com demultiplexes it No, there's currently no code in the "LIVE555 Streaming Media" libraries for demultiplexing '3gp' (really, 'mp4')-format files. Ross Finlayson Live Networks, Inc. (LIVE555.COM) <http://www.live555.com/>