[vlc] Re: AMR stream query

Ross Finlayson finlayson at live555.com
Fri Mar 17 16:53:52 CET 2006


>I think it's simply that vlc is pulling the amr payload datat out of 
>the rtp packet incorrectly.

No, VLC (actually, the "LIVE555 Streaming Media" libraries) is 
pulling AMR payload data out of RTP packets correctly.  The problem 
is that VLC (e.g., using FFMPEG) is not then processing the data correctly.

You can demonstrate this by trying to play the following file
         http://www.live555.com/test.amr
VLC (version 0.8.5-test1) cannot play this file, either locally, or 
using HTTP.  Nor can it play the RTSP/RTP stream
         rtsp://217.19.213.233:554/cfamr.avi.3gp
from which this file was derived (using "openRTSP").  (This RTSP 
server is currently not accessible.)

I.e., if you can get VLC to play the file
         http://www.live555.com/test.amr
you will probably solve the problem.



	Ross Finlayson
	Live Networks, Inc. (LIVE555.COM)
	<http://www.live555.com/>

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