On Thu, 2001-12-13 at 12:15, John Anderson wrote:
> > 1. While listening to my stream, I sniffered the packets with
> > "Etherpeek"
> > and found out that there was a direct TCP connection between the server
> > and
> > the client. This would mean that it was unicast, wouldn't it? If yes, is
> > multicast possible with MP3 playlists?
>
> Shoutcast-style MP3 streams (the ones used by most MP3 players) are an
> HTTP stream... the transactions for these streams are just like an
> infinitely large Web download. I can't think of a way to set up
> multicast with MP3... the HTTP standard doesn't allow for it. The only
> way to do multicast would be to convert your MP3 files to QuickTime
> format and stream them as movies to the QuickTime Player.
You can source multicast MP3 streams using the RTP protocol. The
company I work for has 3 such channels. If you browse the SDP
announcements there are several others as well.
The standard MPEG-Audio payload type is 14, though Ross Finlayson has
done work to improve this.
See RFC 2250 and RFC 3319.
Currently DSS won't stream these. Quicktime won't play them either,
though this is a known bug. Contact me offline for more information.
Marty Schoch
<email@hidden>
http://www.multicasttech.com/
