Date: Wed, 09 May 2007 16:20:30 -0700 From: Julian Elischer <julian@elischer.org> To: Danny Pansters <danny@ricin.com> Cc: freebsd-multimedia@freebsd.org Subject: Re: streaming guru needed Message-ID: <4642573E.7010404@elischer.org> In-Reply-To: <200705100015.09400.danny@ricin.com> References: <46411261.1030603@elischer.org> <46411999.2080709@elischer.org> <200705092103.36270.shoesoft@gmx.net> <200705100015.09400.danny@ricin.com>
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Danny Pansters wrote: > On Wednesday 09 May 2007 21:03:35 Stefan Ehmann wrote: >> On Wednesday 09 May 2007 02:45:13 Julian Elischer wrote: >>> Julian Elischer wrote: >>>> So, to continue on the topic of my last email, >>>> I'll be webcasting from BSDCan and teh FreeBSD devsummit that is with >>>> it. however I'll be using my Mac because I've used it before >>>> and I don't have time to experiment.. (Hey it's BSD ok?) >>>> >>>> I'm currently (and often) broadcasting a test stream at >>>> rtsp://jello.ironport.com:80/Bsdtest.sdp >>>> >>>> >>>> I do have several questions. >>>> >>>> 1/ what is the best protocol/codec/etc. >>>> I'm currently using mpeg-4 audio and video .. is that ok? >>>> also for ease of coping with firewalls I'm using RTP over RTSP (I >>>> think that's right) on port 80 though others might work....? >>>> >>>> 2/ does anyone know how to get mplayer to show this stuff? >>>> >>>> 3/ people have had success using VLC. does anyone have an >>>> definative description of how to set it up to work? >>> I have been told to use: >>> Preferences -> check Advanced, go to Input/Codecs->Demuxers->RTP/RTSP >>> and check "Use RTP over RTSP (TCP)" >> For mplayer "-rtsp-stream-over-tcp" seems to be the equivalent (It works >> for me at least). >> > > Just for the record, you may already know this. (from long time ago when I had > a more than healthy interest in RealVideo) Rtsp is preferably used over UDP > (that is the A/V data) together with a control "channel" over TCP for the > play/pause/feedback sort of things. So "rtsp over tcp" will be (very) > suboptimal as there needs to be confirmation of every datagram. If it's also > possible to send the a/v stream over UDP and to play it you'd rather use > that. thanks.. Will that make it more robust? the problem is firewalls. what ports need to be opened to the server to allow 1/ the optimal broadcaster (me at BSDCan) 2/ the optimal client (people wanting to attend remotely) 3/ forwarding the session to a relay if the original server gets to full. > > Dan > _______________________________________________ > freebsd-multimedia@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-multimedia > To unsubscribe, send any mail to "freebsd-multimedia-unsubscribe@freebsd.org"
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