[SML] Qlab and video

[Steven Hood]

I was afraid that might be the case... external box should be ok, though, yeah?

Steven R Hood
310.756.3555



On October 9, 2015 5:46:55 PM Andy Lang via Stagecraft 
<stagecraft at theatrical.net> wrote:

> On Fri, Oct 9, 2015 at 6:48 PM Steven Hood via Stagecraft
> stagecraft at theatrical.net <http://mailto:stagecraft@theatrical.net> wrote:
>
> Playing with qlab on our macbook (so far, just the free version). I'm
>> looking to get the paid video version at some point soon-ish. For those of
>> you using it, are you using the hdmi out of the computer, or are you using
>> an external video card like Blackmagic or the like? I'm brainstorming.
>>
> Generally speaking, don’t use a Blackmagic output unless you absolutely
> have to. Even if you need SDI output, you’ll get better performance using
> HDMI out of the computer directly, and then using an outboard converter to
> convert it to SDI.
>
> The reason for this is that the Blackmagic devices aren’t actually graphics
> cards, so the rendering is happening in the computer’s GPU in both cases.
> If you’re using the onboard outputs, it leaves straight from the GPU. If
> you’re using a Blackmagic output device, after it’s rendered, it’s going to
> make another trip to RAM so that the computer can shove the data out the
> Blackmagic.
>
> Hope that helps!
>
> -Andy
>
> —
> Andy Lang
> @SoundGuyAndy <http://twitter.com/SoundGuyAndy>
> support at figure53.com
> ​
>
>
>
> ----------
> ____________________________________________________________
> For list information see <http://stagecraft.theprices.net/>
> Stagecraft mailing list
> Stagecraft at theatrical.net
> http://theatrical.net/mailman/listinfo/stagecraft_theatrical.net
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://theatrical.net/pipermail/stagecraft_theatrical.net/attachments/20151009/6f6d9911/attachment.html>