[Live-devel] Playing streams received with -r option

[Alexey Maksimov]

On Fri, 19 Oct 2007 06:40:14 -0700
Ross Finlayson <finlayson at live555.com> wrote:

> >I tried to play the stream using openRTSP as receiving instrument
> >and now I'm a bit puzzled about this.
> >I tried the following:
> >$ openRTSP -r -p 5000 rtsp://172.16.200.54/ &
> >$ vlc --demux=m4v udp://@:5000
> >
> >Video source is AXIS IP camera.
> >I see video but it looks awfully blurred.
> >
> >Funny that if I try
> >$ vlc rtsp://172.16.200.54
> >it plays quite well.
> >And if I try to play video fully captured by openRTSP it plays well.
> >
> >The same when I try to play it with ffplay.
> >Again video stream is awfully blurred and there is a stream of errors
> >on console.
> >
> >Hence, the question: why is that?
> >Can this be linked with not sending back RTCP Reception Reports?
> 
> That's unlikely.
> 
> >Or maybe there are not enough parameters for vlc/ffplay to play this
> >stream?
> 
> That's my best guess, especially if the stream is MPEG-4 or H.264 
> video.  Is there a string of the form
> 	a=fmtp: ... config=...
> in the stream's SDP description?

There is.

> If so, then that 'config' 
> information may need to be passed to the media player, in order for 
> it to play the stream properly.

Thanks for the hint I'll look into it :)

Best regards,
Alexey.