>To pipe openRTSP don't you have a little sample code? I tried >_popen() function, but it not the best. No, you don't need to write any code for this; you can do this from the command line openRTSP -v etc. rtsp://url | your-application-that-reads-from-stdin -- Ross Finlayson Live Networks, Inc. http://www.live555.com/