All things related to multicast

["Marshall Eubanks" <>]

On Thu, 28 Feb 2002 15:36:31 -0500
 Bill Owens 
<>
 wrote:
> At 12:40 PM -0500 2/28/02, Matthew Davy wrote:
> >What are you using for a multicast A/V client ?   The
> OS-X version of
> >MacTV seems to work fairly well - although it seems more
> CPU intensive
> >than I would have thought.
> 
> I hadn't realized there was one, but I just downloaded it
> and it does 
> work well. Didn't notice unusual CPU utilization, about
> 5% on my 
> G4/400. I mentioned your report to Joe Huber and he was
> going to look 
> into it.
> 
> The beacon, on the other hand, was quite a CPU hog, so
> I'm not 
> running it right now. . .
> 
> I was using QuickTime 5 Pro and handing it SDP files,
> which is more 
> or less what MacTV automates for you. That works for
> H.261 and MPEG1 
> video. I've also tried VideoLAN, a fine MPEG2 player for
> local files 
> but it only supports multicast from its matching video
> server.
> 
> Unfortunately I don't have a streaming MP3 solution yet;
> QT5 crashes, 
> and although iTunes accepts rtp URLs with multicast
> addresses it 
> doesn't appear to really understand them. I need to poke
> around to 
> see what else is available.
> 
Quicktime 5 only plays _Layer II_ MPEG audio in multicast -
not Layer III (aka MP3). Apple is supposed to give us the
code (hint hint) so we can fix this.

Real Player plays multicast MP3's, but I do not think that
there is an OSX Real Player yet.

Marshall

> Bill.
>