[mythtv-users] Duplicate screens

Stroller linux.luser at myrealbox.com
Sun Jan 14 13:34:06 UTC 2007

On 14 Jan 2007, at 01:04, Yan Seiner wrote:
> Stroller napsal(a):
>> The ideal way to meet Mr Asplund's requirement is surely to have the
>> BE stream the feed to both FEs at the same time. I guess this is not
>> currently possible - with correct synchronisation as he requires -
>> and is a "feature request". But I have no idea of the programming
>> implications - does the Myth protocol currently use UDP? According to
>> Wikipedia (see the depth of my knowledge!?) "compared to TCP, UDP is
>> required for broadcast (send to all on local network) and multicast
>> (send to all subscribers)."...
> ISTR that VLC <http://www.videolan.org/vlc/> can multicast video,  
> so the
> technology is there.

 From the appearances of the examples at <http://www.videolan.org/doc/ 
streaming-howto/en/ch04.html> VLC uses UDP for this, as I described.

   % vlc -vvv input_stream --sout '#duplicate{dst=

> The question is, how hard to incorporate into myth?

Ummm, is Myth's code already based upon VLC? If not it's likely to be  
easier just to add multicast into Myth. If Myth already uses UDP (??)  
then that really shouldn't be too hard for a decent programmer  
(although I'm afraid I don't meet that description myself). For me a  
more opaque problem is how to tell the two front ends to play the  
same thing.


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