[FFmpeg-user] obtaining an image from a video stream

[LsBender]

Michael Bradshaw wrote
> 
> What have you tried? Simply googling "ffmpeg save frame" gave this page:
> http://muzso.hu/2008/12/28/extracting-thumbnails-still-images-frames-from-a-video-with-ffmpeg
> 

Thanks Michael this link solved the first part of my problem.
Effectively I would like to do the same thing but with video stream.
 

Rhodri James wrote
> 
> I'll take a wild stab in the dark and suggest that it's an RTP stream  
> containing H.264.  Can you watch the camera stream using "mplayer  
> rtsp://<some-ip-address>/<some-name>" ?
> 

Yes exactly.
Sorry that I haven't pointing this out earlier.
I can watch the camera stream using ""mplayer
rtsp://<my-ip-address>/stream1"


Rhodri James wrote
> 
> I'll take your word for it, but personally I think that this will be a  
> slower and less reliable test than just watching the stream for a few  
> seconds.
> 

You're right. But I want to try it, to be sure 
Is it possible to have the reference frame for each camera?

Thanks
Marc



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