<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=Content-Type content="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <style>  </style> </head> <body lang=EN-US link=blue vlink=blue> <div class=Section1> <div> <div> Hi All,<o:p></o:p> <o:p> </o:p> I have tried saving the below pipeline to xml file using “gst-launch” with –output option<o:p></o:p> <o:p> </o:p> [example from gstrtpbin reference]<o:p></o:p> <pre>gst-launch –-output=test.gst gstrtpbin name=rtpbin \<o:p></o:p></pre><pre>        v4l2src ! ffmpegcolorspace ! ffenc_h263 ! rtph263ppay ! rtpbin.send_rtp_sink_0 \<o:p></o:p></pre><pre>                  rtpbin.send_rtp_src_0 ! udpsink port=5000                            \<o:p></o:p></pre><pre>                  rtpbin.send_rtcp_src_0 ! udpsink port=5001 sync=false async=false    \<o:p></o:p></pre><pre>                  udpsrc port=5005 ! rtpbin.recv_rtcp_sink_0                           \<o:p></o:p></pre><pre>        audiotestsrc ! amrnbenc ! rtpamrpay ! rtpbin.send_rtp_sink_1                   \<o:p></o:p></pre><pre>                  rtpbin.send_rtp_src_1 ! udpsink port=5002                            \<o:p></o:p></pre><pre>                  rtpbin.send_rtcp_src_1 ! udpsink port=5003 sync=false async=false    \<o:p></o:p></pre><pre>                  udpsrc port=5007 ! rtpbin.recv_rtcp_sink_1<o:p></o:p></pre> <o:p> </o:p> But I get an error when I try to load this pipeline using “gst-xmllaunch” command line or using “gst_xml_get_element” in my test program.<o:p></o:p> The error is basically an assert failure for “pad != NULL”.<o:p></o:p> If I construct simple pipeline like “gst-launch --output=test.gst v4lsrc ! xvimagesink” and launch the pipeline using “gst-xmllaunch test.gst”, it works perfectly fine.<o:p></o:p> Looks like I have an issue when I use “pads”. <o:p></o:p> Is there anything wrong in my procedure?<o:p></o:p> Please give me some clue to proceed.<o:p></o:p> <o:p> </o:p> Thanks & Regards<o:p></o:p> Sreejesh R B<o:p></o:p> </div> </div> </div> </body> </html> <table><tr><td bgcolor=#ffffff>**************** CAUTION - Disclaimer ***************** This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system. ***INFOSYS******** End of Disclaimer ********INFOSYS*** </td></tr></table>