DV-to-SDI playout with multiple cards?
by Bernd M.
on
Aug 19, 2005 at 2:16:08 pm
Hello,
I was wondring if and how it would be possible to use two or three cards simultaneously in a G5 to
play out DV-streams through the sdi or yuv outputs.
I have currently two cards here and would love to try that.
Re: DV-to-SDI playout with multiple cards? by Olivier Jean on Aug 19, 2005 at 11:51:41 pm
Hi,
don't hold your breath on this one.
BM talked about a possible piece of software
to allow to use multiple cards in a Mac
quite some time ago, but i think the idea
was dropped as i do not think it was a sought after
feature with the end user
(if it was ever possible in the first place).
Regards
Olivier Jean
Powermedia Systems
Sydney Australia
Re: DV-to-SDI playout with multiple cards? by Bernd M. on Aug 20, 2005 at 12:43:57 am
Well, for the show industry this could be a killer application.
Three or more sdi streams from one computer...
What really is the problem?
As I understand the dv/sdi conversion is done in realtime on the card.
Re: DV-to-SDI playout with multiple cards? by Luke Maslen on Aug 23, 2005 at 6:55:55 am
Hi Bernd,
Yes, this has been on our "to do" list for ages and other priorities have got in the way so it hasn't happened yet. It's not something that we've advertized or promised but it's something we would like to do. It's a little scary as it involves a fundamental change to the driver so it requires lots of testing. However it would be nice to do so we'll try to do it. The date for this has been pushed back several times so I'm not going to stick my neck out and say "soon" but I will raise it with the engineers again. If you happen to be visiting IBC, feel free to drop by the booth and let the engineers there know how much you would like Multicard support :-)
Re: DV-to-SDI playout with multiple cards? by Yves De Muyter on Aug 20, 2005 at 6:02:14 am
I think I'm pretty sure its not the card that compresses/uncompresses the DV stream... That would mean it should compress the DV after applying some effects and then uncompress it again in the card ?
Today pc's are pretty fast and can well enough decompress DV in realtime and send it to the simple BMD decklink card.
Re: DV-to-SDI playout with multiple cards? by filip vandoorne on Aug 22, 2005 at 11:02:07 am
if you are looking for a playout system, have a look at Ontheair video
http://www.softron.be/ mail them for the latest demo versions. Their system works with the decklink card, so you can playout all codecs support with the decklink, but only one card/mac. If you want multiple streams from one mac, they also have a firewire version, just add more firewirecards in your mac and hook these ports to multiple external firewire-component/sdi convertors ( canopus, sd-connect) depending on your needs.
