<div dir="ltr"><div>I deal with a large amount of security cameras of different brands. <br></div><div><br></div><div>Just an FYI....<br></div><div>60 seconds and GET_PARAMETER are the default and work 90+% of the time.<br></div><div>The Setup reply will tell you if it is not default but is there for default also, depends on brand. end of session header "timeout=60"<br></div><div><br></div><div>I have seen cameras that <br></div><div>1) cannot handle GET_PARAMETER in any transport (RED Vision)</div><div>2) must have OPTIONS or SET_PARAMETER instead</div><div>3) use rtcp, the rest are ignored. (I thought the timeout=nn told me which but it is inconsistent)<br></div><div><br></div><div>The behaviour seems to vary with transport <br></div><div>1) rtsp-over-http.(2 sockets) All bets are off, every mfg interprets the vague combination of the Apple Quicktime Spec differently.</div><div>2) rtsp-over-tcp.(1 socket) Usually GET_PARAMETER is universally accepted here and is all that is needed.</div><div>3) rtsp/rtp/udp (up to 7 sockets) GET_PARAMETER for main session but some must have rtcp receiver reports per session or they disconnect,</div><div><br></div><div>Patterns I see are <br></div><div> if disconnect in seconds, rtcp issue</div><div> if right on the 30 second, 1 minutes or 2 minute then GET_PARAMETER/OPTIONS/SET_PARAMETER (OPTIONS on vary old cameras, otherwise OPTIONS tells you if it supports GET_PARAMETER</div><div><br></div><div>Wireshark is your friend.<br></div><div><br></div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 11, 2021 at 9:22 AM Thornton, Keith <<a href="mailto:keith.thornton@zeiss.com">keith.thornton@zeiss.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br> that may be because the server is not receiving the keep alive timer from the client. If you have a wireshark log look to see if the client sends a GET_PARAMETER once a minute (If you haven't changed the keep alive timeout).<br> Gruesse<br> <br> -----Ursprüngliche Nachricht-----<br> Von: gstreamer-devel <<a href="mailto:gstreamer-devel-bounces@lists.freedesktop.org" target="_blank">gstreamer-devel-bounces@lists.freedesktop.org</a>> Im Auftrag von renjith.t<br> Gesendet: Donnerstag, 11. März 2021 14:10<br> An: <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a><br> Betreff: Re: RTSP Client sometimes doesn't send video (stream 0) packets to the client<br> <br> Hi,<br> <br> I have actually gone through the session media files.<br> <br> What I found is that<br> -> gstreamer rtsp server is closing the transport for the stream 0 it is <br> -> done from "update_transport" method in rtsp-stream.c info debug <br> -> printed is "removing TCP 192.168.111.78" where 111.78 was the<br> client where video was not displayed <br> <br> so it is clear that gstreamer is explicitly closing the transport.<br> <br> <br> <br> <br> <br> --<br> Sent from: <a href="https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgstreamer-devel.966125.n4.nabble.com%2F&data=04%7C01%7C%7C6e975d97adaa4a9d361508d8e4981c9b%7C28042244bb514cd680347776fa3703e8%7C1%7C1%7C637510689266574710%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=jP9RcoouYXOZf1m1UAiUqAEuSn8TBvoy%2FpiGpFN%2BTkc%3D&reserved=0" rel="noreferrer" target="_blank">https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgstreamer-devel.966125.n4.nabble.com%2F&data=04%7C01%7C%7C6e975d97adaa4a9d361508d8e4981c9b%7C28042244bb514cd680347776fa3703e8%7C1%7C1%7C637510689266574710%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=jP9RcoouYXOZf1m1UAiUqAEuSn8TBvoy%2FpiGpFN%2BTkc%3D&reserved=0</a><br> _______________________________________________<br> gstreamer-devel mailing list<br> <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a><br> <a href="https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Fgstreamer-devel&data=04%7C01%7C%7C6e975d97adaa4a9d361508d8e4981c9b%7C28042244bb514cd680347776fa3703e8%7C1%7C1%7C637510689266574710%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=qscZFcyt5nNK836xWaQVbioQcpbQ9OyCAZPiGS1S6UQ%3D&reserved=0" rel="noreferrer" target="_blank">https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Fgstreamer-devel&data=04%7C01%7C%7C6e975d97adaa4a9d361508d8e4981c9b%7C28042244bb514cd680347776fa3703e8%7C1%7C1%7C637510689266574710%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=qscZFcyt5nNK836xWaQVbioQcpbQ9OyCAZPiGS1S6UQ%3D&reserved=0</a><br> _______________________________________________<br> gstreamer-devel mailing list<br> <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a><br> <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br> </blockquote></div>