Thank you for the info. I have been using GStreamer on Linux for years. I just don't know how to do things in Windows, like setting environment variables. The particular launch line works in Linux using 1.6.4 Chuck <div class="gmail_quote">On Feb 4, 2016 1:00 PM, "Reynaldo H. Verdejo Pinochet" <<a href="mailto:reynaldo@osg.samsung.com">reynaldo@osg.samsung.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi On 02/04/2016 03:24 AM, Chuck Crisler wrote: > [...] > 'application/x-rtp,media=video,payload=96,clock-rate=90000,encoding-name=H264' > ! rtpjitterbuffer mode=0 ! rtph264depay ! video/x-h264 ! avdec_h264 ! > video_convert ! d3dvideosink' yields gst_element_make_from_uri: > assertion 'gst_uri_is_valid(uri)' failed and I don't even know how to > turn on logging. :-( I am using 1.7.1 on WIndows 10 > Try passing an URI to udpsrc as in udpsrc uri=udp://<a href="http://0.0.0.0:5004" rel="noreferrer" target="_blank">0.0.0.0:5004</a> ! ... You can try gst-inspect-1.0 <element> to figure details about the elements you are using, including the properties you can set on them (like uri above). For the logging, you can use something like: GST_DEBUG=*:4 gst-launch-1.0 -v .... More information here: <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gst-running.html" rel="noreferrer" target="_blank">http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gst-running.html</a> Good luck! -- Reynaldo H. Verdejo Pinochet Open Source Group Samsung Research America / Silicon Valley _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote></div>