pay atention to the error you are getting, the ra.pcm file you are trying to open does not exist....it will never work. gst-launch filesrc location=ra.pcm ! rtpg729pay ! fakesink gstfilesrc.c(1046): gst_file_src_start (): /GstPipeline:pipeline0/<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">GstFileSrc:filesrc0: No such file "ra.pcm"</blockquote> <div class="gmail_quote">On Fri, May 8, 2009 at 8:00 AM, rakesh sharma <<a href="mailto:rakesh2.sharma@aricent.com">rakesh2.sharma@aricent.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> I want to use rtpilbcpay .. can anybody tell me how to use and with which file should i use? m executing a pipeline gst-launch filesrc location=ra.pcm ! rtpg729pay ! fakesink OUTPUT: Setting pipeline to PAUSED ... ERROR: Pipeline doesn't want to pause. ERROR: from element /GstPipeline:pipeline0/GstFileSrc:filesrc0: Resource not found. Additional debug info: gstfilesrc.c(1046): gst_file_src_start (): /GstPipeline:pipeline0/GstFileSrc:filesrc0: No such file "ra.pcm" Setting pipeline to NULL ... FREEING pipeline ... Please tell me how to use this...!!! -- View this message in context: <a href="http://www.nabble.com/HOW-TO-USE-RTPILBCPAY---tp23443929p23443929.html" target="_blank">http://www.nabble.com/HOW-TO-USE-RTPILBCPAY---tp23443929p23443929.html</a> Sent from the GStreamer-devel mailing list archive at Nabble.com. ------------------------------------------------------------------------------ The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your production scanning environment may not be a perfect world - but thanks to Kodak, there's a perfect scanner to get the job done! With the NEW KODAK i700 Series Scanner you'll get full speed at 300 dpi even with all image processing features enabled. <a href="http://p.sf.net/sfu/kodak-com" target="_blank">http://p.sf.net/sfu/kodak-com</a> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> </blockquote></div> -- "it might be a profitable thing to learn Java, but it has no intellectual value whatsoever" Alexander Stepanov