The original error as reported was with XvImageSink. It probably means that the Xv option isn't supported on his system for some reason. Try using ... ! XImageSink <a href="http://en.wikipedia.org/wiki/X_video_extension" target="_blank">http://en.wikipedia.org/wiki/X_video_extension</a> explains what this is. <div class="gmail_quote">On Fri, Jul 20, 2012 at 6:33 PM, Charlie X. Liu <<a href="mailto:charlie@sensoray.com" target="_blank">charlie@sensoray.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div link="blue" vlink="purple" lang="EN-US"><div>I used Sensoray Model <a href="http://www.sensoray.com/products/811.htm" target="_blank">811</a>/<a href="http://www.sensoray.com/products/911.htm" target="_blank">911</a>/<a href="http://www.sensoray.com/products/614.htm" target="_blank">614NC</a>/<a href="http://www.sensoray.com/products/314.htm" target="_blank">314NC</a> (capturing raw and compressing with MJPEG) to stream over IP using GStreamer. It worked pretty good, and the commands are: Streaming Server: (IP=10.140.1.35) $ gst-launch-0.10 v4l2src device=/dev/video0 ! videorate ! capsfilter name=vfps caps=\"video/x-raw-yuv,framerate=30/1\" ! ffmpegcolorspace ! jpegenc ! multipartmux ! tcpserversink-sinkhost=127.0.0.1 port=5000 Streaming Client: (IP=10.140.5.23)$ gst-launch-0.10 tcpclientsrc host=127.0.0.1 port=5000 !multipartdemux ! jpegdec ! autovideosink $ gst-launch-0.10 tcpclientsrc host=10.140.1.35 port=5000 !multipartdemux ! jpegdec ! autovideosink or$ vlc tcp://<a href="http://127.0.0.1:5000" target="_blank">127.0.0.1:5000</a> (local) $ vlc tcp://<a href="http://10.140.1.35:5000" target="_blank">10.140.1.35:5000</a> (overIP) Charlie X. Liu @ Sensoray Company, Inc. <div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"> From: gstreamer-devel-bounces+charlie=<a href="mailto:sensoray.com@lists.freedesktop.org" target="_blank">sensoray.com@lists.freedesktop.org</a> [mailto:<a href="mailto:gstreamer-devel-bounces%2Bcharlie" target="_blank">gstreamer-devel-bounces+charlie</a>=<a href="mailto:sensoray.com@lists.freedesktop.org" target="_blank">sensoray.com@lists.freedesktop.org</a>] On Behalf Of Mazahir Poonawalla Sent: Wednesday, July 18, 2012 2:35 AM To: Discussion of the development of and with GStreamer Subject: Re: live audio streaming problem</div> Hi,<div> </div><div>Thanks for the reply. Actually i am new to this and i do not know much. I am using leopard board and I am following examples as given in this link under: </div><h3 style="margin-right:0in;margin-bottom:.05in;margin-left:0in;line-height:14.25pt;background:white">"NTSC camera streaming MJPEG over the network"</h3> <div><a href="https://www.ridgerun.com/developer/wiki/index.php/LeopardBoard_365_GStreamer_Pipelines_-_SDK_2011Q2" target="_blank">https://www.ridgerun.com/developer/wiki/index.php/LeopardBoard_365_GStreamer_Pipelines_-_SDK_2011Q2</a> </div><div> </div><div>when i type the on ubuntu host i get the following error:</div><div> </div><div> <div> user@user-desktop:~$ gst-launch udpsrc port=5000 ! 'image/jpeg, width=(int)736, height=(int)480, framerate=(fraction)30000/1001, pixel-aspect-ratio=(fraction)1/1' ! jpegdec ! xvimagesink </div><div>Setting pipeline to PAUSED ...</div><div>ERROR: Pipeline doesn't want to pause.</div><div>ERROR: from element /GstPipeline:pipeline0/GstXvImageSink:xvimagesink0: Could not initialise Xv output </div><div>Additional debug info:</div><div>xvimagesink.c(1416): gst_xvimagesink_get_xv_support (): /GstPipeline:pipeline0/GstXvImageSink:xvimagesink0: </div><div>No port available</div><div>Setting pipeline to NULL ...</div><div>Freeing pipeline ...</div> </div><div> </div><div>can you please help.</div><div> </div><div>Thank you, </div><div>Maz<div>On 18 July 2012 13:32, Thomas DEBESSE <<a href="mailto:thomas.debesse@rcf.fr" target="_blank">thomas.debesse@rcf.fr</a>> wrote: 2012/7/14 hussain.nel <<a href="mailto:hussain6001@gmail.com" target="_blank">hussain6001@gmail.com</a>>: > I have tried by adding sync property as false, still i am facing the same > problem. what is the gst-launch stdout/stderr ? gst-launch is running silently or doesn't run ? perhaps your sound card is used by another application for playback ? -- Thomas DEBESSE RCF Méditerrannée _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a></div> <div> </div>-- Thank you & Regards, Mazahir Poonawalla ideaForge Technology Pvt. 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