Check the SDP. It will have different sections for the different media. RTSPSRC debug level 6 (?) will log the SDP. <div class="gmail_quote">On Mar 29, 2016 10:32 AM, "Baby Octopus" <<a href="mailto:jagadishkamathk@gmail.com">jagadishkamathk@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">> 5 seconds sounds like the UDP transmission timeout. After that delay, > we fallback to TCP Doesn't look like UDP timeout. Media data is coming through UDP itself > Maybe you have one of those servers that advertise > audio and video, but sends only audio or video ? Very much. The IP camera gives out only video and no audio. How to know if it advertises both audio as well as video? > Or you have a network firewall issue. That would result in a timeout, then > a reset of the > timestamp (but with the segment it will be contiguous). Remember, the > timestamp alone does not mean much. Its a local network. No issue with firewall -- View this message in context: <a href="http://gstreamer-devel.966125.n4.nabble.com/rtspsrc-resets-the-timestamp-tp4676616p4676619.html" rel="noreferrer" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/rtspsrc-resets-the-timestamp-tp4676616p4676619.html</a> Sent from the GStreamer-devel mailing list archive at Nabble.com. _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote></div>