Problems like this are almost always caused by you approaching the capacity of
your network (which is usually a lot less than the nominal bit rate of your
network adaptor(s)). Note that if you are running the proxy server on a
network with one back-end stream and two front-end streams, that means that the
stream is being carried over your network 3 times.
Note also that because you have such large I-frames, you are very vulnerable to
network packet loss. I suggest reconfiguring your ‘back-end’ stream so that it
generates a sequence of ‘slice’ H.264 NAL units for each I-frame, rather than a
single (extremely large) NAL unit for each I-frame. This is something that I
have commented on numerous times; see, for example:
http://lists.live555.com/pipermail/live-devel/2011-December/014190.html
http://lists.live555.com/pipermail/live-devel/2012-August/015615.html
http://lists.live555.com/pipermail/live-devel/2013-May/016994.html
http://lists.live555.com/pipermail/live-devel/2014-June/018426.html
http://lists.live555.com/pipermail/live-devel/2014-June/018432.html
http://lists.live555.com/pipermail/live-devel/2014-June/018433.html
http://lists.live555.com/pipermail/live-devel/2014-June/018434.html
http://lists.live555.com/pipermail/live-devel/2015-March/019135.html
http://lists.live555.com/pipermail/live-devel/2015-April/019228.html
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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