<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> Are you sure sample_100kbit.mp4 is h264 ? seems like a qtss sample and mine is mpeg4 .... try rtpmp4vdepay and ffdec_mpeg4. You should gst-launch with -v option, it will hint you about video codec. Caps on rtspsrc video src pad is 'application/x-rtp, media=video, encoding-name=MP4V-ES' Aurelien Ting Wang a écrit : <blockquote cite="mid:1fef00220807151956y4dbfea90wf648d74a48708ca8@mail.gmail.com" type="cite"> <div dir="ltr">Hello, I'm using rtspsrc, the command: /mnt/Temp/felix_tmp/output # ../bin/gst-launch rtspsrc location=<a class="moz-txt-link-freetext" href="rtsp://">rtsp://</a><a moz-do-not-send="true" href="http://10.38.38.150/sample_100kbit.mp4">10.38.38.150/sample_100kbit.mp4</a> ! fakesink works OK, and my streaming server is up and in good condition, but when issuing the command: /mnt/Temp/felix_tmp/output # ../bin/gst-launch rtspsrc location=<a class="moz-txt-link-freetext" href="rtsp://">rtsp://</a><a moz-do-not-send="true" href="http://10.38.38.150/sample_100kbit.mp4">10.38.38.150/sample_100kbit.mp4</a> ! gstrtpjitterbuffer ! rtph264depay ! h264dec ! overlay2sink I got the following error message: Setting pipeline to PAUSED ... Pipeline is live and does not need PREROLL ... Setting pipeline to PLAYING ... New clock: GstSystemClock ERROR: from element /pipeline0/rtspsrc0/udpsrc2: Internal data flow error. Additional debug info: gstbasesrc.c(2165): gst_base_src_loop (): /pipeline0/rtspsrc0/udpsrc2: streaming task paused, reason not-linked (-1) Execution ended after 216414462 ns. Setting pipeline to PAUSED ... Setting pipeline to READY ... Setting pipeline to NULL ... overlay2 unmap error! FREEING pipeline ... What could have caused "Internal data flow error"?  Would someone please give me some advice? Thank you very much :) Best regards Felix </div> <pre wrap=""> <hr size="4" width="90%"> ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world <a class="moz-txt-link-freetext" href="http://moblin-contest.org/redirect.php?banner_id=100&url=/">http://moblin-contest.org/redirect.php?banner_id=100&url=/</a></pre> <pre wrap=""> <hr size="4" width="90%"> _______________________________________________ gstreamer-devel mailing list <a class="moz-txt-link-abbreviated" href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> <a class="moz-txt-link-freetext" href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> </pre> </blockquote> </body> </html>