> I am trying the have a stream give periodic output files every minute as avi
> files and I am getting the error that it fails to get a SDP description for
> the URL and that the -iP command cannot be found. I have also tried these
> commands by themselves and it fails to get the SDP description also.
>
> The command I input is:
>
> openRTSP
> rtsp://24.196.72.222:1080/user=guest&password=guest&channel=1&stream=0.sdp
> <http://24.196.72.222:1080/user=jaderoyston&password=blacky12&channel=1&stream=0.sdp>?
> -iP 60 > ~/record/output.avi
First, options on the command line must be separated. So you need to say
-i -P 60
rather than
-iP 60
Second, if you use the "-P <interval-in-seconds>” option in combination with
“-i” (or “-4” or “-q”), then the output will be written to separate files, but
*not* to stdout, so you don’t need to add “> ~/record/output.avi” to the end of
the command line.
Finally, because the RTSP URL contains ‘&’ and ‘?’ characters, it’s possible -
depending on your command shell - that you will need to put quotation marks
around the URL.
The following command should work:
openRTSP
'rtsp://24.196.72.222:1080/user=guest&password=guest&channel=1&stream=0.sdp?'
-i P 60
If you find that the output files are empty, then it’s probably because there’s
a firewall somewhere - between your server (camera) and client (“openRTSP”) -
that’s blocking UDP packets. In that case, try adding the “-t” option to the
command line.
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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