[streaming] Re: DVB-s to multicast streamin

Christoph Stotz stotz at logo.de
Thu Jun 26 15:50:20 CEST 2003


Short question:

Have you got vls running in combination with a DVB-s card ?

> -----Original Message-----
> From: Benjamin PRACHT [mailto:bigben at via.ecp.fr] 
> Sent: Donnerstag, 26. Juni 2003 15:49
> To: streaming at videolan.org
> Subject: [streaming] Re: DVB-s to multicast streamin
> 
> 
> On Thu, Jun 26, 2003, Vlad Niman wrote :
> > 
> >   1.. If VLS for Windows can do it?
> 
> I'm afraid not. Only vls for linux has support for DVB
> 
> >   2.. I live in Toronto and I didn't find video cards of 
> Siemens or Hauppauge. Here sell ATI (Wonder Radeon 7500). Can 
> I use this video card? 
> 
> As far as  I know, the AIW  Radeon doesn't support DVB, or,  
> if it does,
> I'm afraid it has no linux driver.  The only supported DVB 
> cards are the
> one supported by the linuxtv project.
> 
> >   3.. How could I config VLS for multicast steaming of 50 
> TV channels at simultaneously? Is it possible? 
> 
> Well, this  is possible, but  you'll need  several dvb cards. 
>  Indeed, a
> single dvb  card can only recieve  the chanels on a  same 
> transponder at
> once. That usually means something like 5-6 channels per card.
> 
> >   4.. How could I config that network multicast stream 
> would 2 mbps? Could I config it on video card (if yes How?) 
> or on VLS (How?)?
> > If some body already implemented it?
> 
> DVB streams  are usually 3-4 Mbit/s.  If you want to  
> decrease this, the
> onlys solution is transcoding  (usually MPEG4 transcoding). 
> Videolan can
> do this. However, this is *very* power consuming. You'll need 
> one recent
> computer (something over P4 1,6 GHz) per channel.
> 
> >  
> > Sincerely, 
> >  
> > 
> > Vladimir
> > 
> >  
> > 
> >  
> -- 
> $(echo "BigBen")
> 
> << Pourquoi faire simple quand on peut faire compliqué ? >>
> Oui, pourquoi ?
> -- 
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