[Live-devel] trying to capture an .mp4 with openRTSP

Ross Finlayson finlayson at live555.com
Wed Aug 20 18:42:40 PDT 2008


>I'm trying to capture an MPEG4 RTP stream (sent by QTSS via 
>QuickTime Broadcaster) to a file using openRTSP.  The problem i'm 
>seeing is that, when I try to open this file, the system (Mac OSX 
>10.5.4) tells me that it's not a movie file.  My openRTSP command 
>looks like this:
>
>pugsleypoo:testProgs jmzorko$ ./openRTSP -4 -w 320 -h 240 -f 30 
><rtsp://10.0.1.199:554/pugscam.sdp>rtsp://10.0.1.199:554/pugscam.sdp > 
>pugscam.mp4

A couple of quick questions:
1/ Are you able to play the stream rtsp://10.0.1.199:554/pugscam.sdp 
in a media player (QuickTime Player or VLC)?
2/ Are you making sure that "openRTSP" terminates properly?  You 
can't just <control>-C it, otherwise the resulting output file will 
be incomplete.  You have to terminate it with "kill -HUP", or else 
specify a specific duration in advance, using the "-d <duration>" 
option.

If both of these are true, then I don't know what the problem might 
be; you should ask a QuickTime mailing list why the file won't play.
-- 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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