[Live-devel] please help , , openrtsp recording audio/video sync problem

[Ross Finlayson]

> I recorded a stream from camera by using openrtsp like this
> 
> openrtsp -4 -F test -P 120  rtsp://admin:4321@192.168.1.121/profile2/media.smp
> 
>  
> then
> 
> test-00000-00120.mp4 file is created .
> 
> i expected the play time would be 120 seconds
> 
> but was 136 seconds .
> 
> 

The problem is that you didn’t specify the frame rate, so “openRTSP” assumed a default frame rate of 15 fps.  You need to use the "-w <width>", "-h <height>" and "-f <frame-rate>” options; see http://www.live555.com/openRTSP/#quicktime

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

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