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Tyler Gillies
internet streaming EX1
on Apr 4, 2009 at 1:06:09 am

We are getting a blackmagic card for our mac and i want to broadcast live to the internet. right now we are using the composite-out and i'm just using a vcr to convert the composite signal to DV and using that as the input into Ustream via firewire. Do the blackmagic cards show your input as a camera in Ustream? If not, whats the best way to go about this? We are thinking about using SDI for input into the blackmagic card, but i can't find any readily available hardware that does sdi/dv transcoding.


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Craig Seeman
Re: internet streaming EX1
on Apr 4, 2009 at 11:47:54 pm

If you have a Ustream Watershed account
https://watershed.ustream.tv/
They can handle HD 16:9
The simplest way would be to set camera to SP (HDV) and use firewire out of the camera.
Then you don't have to worry about HD-SDI to HDV (or DV)

If it's a free Ustream account limited to SD 4:3 you might consider downconverting in camera out SDI.

You might want to consider looking at Wirecast forum on the COW and ask about Wirecast as a professional front end for Ustream or Ustream Watershed.

I haven't tested but Wirecast may handle the SDI input and do the encode. There's a free trial so you can certainly test it with the Blackmagic card.




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