[vlc-devel] [PATCH] Fixed pause issue for streams without end (live cameras)

Paulo Vitor Magacho da Silva pvmagacho at gmail.com
Thu Oct 22 21:07:08 CEST 2015

Hi Ross,
Thanks for the information. Just one doubt, should the RTCP RR be sent by
the client? And the server must support such feature as well, correct?
Em 22/10/2015 17:00, "Ross Finlayson" <finlayson at live555.com> escreveu:

> The server we have for our application does not support GET_PARAMETER to
> keep to connection alive when the video is PAUSED. After 1 minute the
> connection is lost and the video has to be restarted.
> In the live555.cpp code, it reads that the GET_PARAMETER will be sent, but
> also the OPTIONS command could be send as a fallback. But I don't see this
> second option. Was this second option removed?
> FYI, in our own proxy server code we - by default - send “OPTIONS” rather
> than “GET_PARAMETER" as a keep-alive command, because we found that more
> servers handled “OPTIONS” than “GET_PARAMETER”.  (It turned out that there
> are even some brain-damaged servers that include “GET_PARAMETER” in the
> list of commands that they *claim* to support (in response to an initial
> “OPTIONS” command) - but in reality don’t support “GET_PARAMETER” at all.)
> So, if VLC were changed to send “OPTIONS” rather than “GET_PARAMETER”, it
> might be an improvement (but, OTOH, some people would undoubtedly
> complain)...
> As an aside, I should point out that servers should really not need to
> receive *any* of these ‘keep-alive’ commands; they should, instead, be
> using incoming RTCP “RR” packets - from the client - to let it know that
> the client is still alive.  But unfortunately lots of RTSP servers
> (including VLC, I think :-) don’t listen to incoming RTCP packets at all.
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/
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