[Ffmpeg-devel] Re: [PATCH] proof of concept to fix RTSP problem

François Revol revol
Thu May 18 13:37:29 CEST 2006

> Michael A. Kohn wrote:
> > The problem is:  When an ffmpeg is acting as an RTSP client 
> > connecting
> > to an RTSP server (I've tested this both with an Axis 213 camera 
> > and
> > a program called Spook (http://www.litech.org/spook/).  The 
> > original
> > ffmpeg before this patch didn't work.  It works from my laptop 
> > after
> > this patch.  ffmpeg is not sending RTCP RR packets back to the RTSP
> > server, so after 1 minute an Axis 213 camera will assume the client 
> > is
> > dead and stop sending data.  Spook will last about 20 seconds.
> I ran into the same issue some time ago and I confirm that your 
> diagnostic is right.
> My feeling about this was that this wasn't easily and cleanly fixable 
> without a huge
> refactoring of the FFmpeg rtp/rtsp layer (client AND server).
> Maybe one day if I found the motivation in me (or if anyone didn't do 
> it before
> me ;-), I will try to do this.

I still didn't have the time to look at it, but it's on my TODO.
I'd really like being able to record my DSL TV :)


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