[Live-devel] live.com and AMR-NB
Ross Finlayson
finlayson at live555.com
Thu Feb 9 09:02:58 PST 2006
>I've been unable to play RTSP 3gp streams containing AMR-NB with the
>current live.com snapshot.
FYI, we're not LIVE.COM anymore.
>One of the URI's I've tried is this:
>rtsp://81.196.182.171:554/demo/demo3gp50m.3gp
>
>But I've also tried some others. The sound is completely scrambled.
>Of course, I can't know for sure if it's live.com or ffmpeg failing. Is
>there anyone else who's noticed problems ?
>
>I've tested with vlc 0.8.4a, built with ffmpeg-20051126 and
>live-2006.01.27, and using the amr-nb floating point reference code.
The problem seems to be with the client code that decodes and plays
the AMR stream - *not* with the "LIVE555 Streaming Media" code.
The reason for this is that if you 'play' the stream using
"openRTSP", and rename the resulting file "audio-AMR-2" to
"test.amr", then this file can be played, successfully, by QuickTime Player.
Ross Finlayson
Live Networks, Inc. (LIVE555.COM)
<http://www.live555.com/>
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