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Re: Play quartz-Composition directly via a video-card in place of via gaphic card

Subject: Re: Play quartz-Composition directly via a video-card in place of via gaphic card
From: Paul Rutten <email@hidden>
Date: Tue, 6 May 2008 17:22:39 +0200
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On 6-mei-2008, at 16:54, Julien Rigal wrote:

If you're talking about a video card like a Blackmagic or Kona, Quartz Composer won't work at all,


Hi Julien.

With AJA Kona if you use AJAKONATV.app it won't work. This app is to play out QuickTime directly to the cards output. But if you use VJ software such as ArKaos, it works but of course no OpenGL. For very simple compositions it'll do. Even with alpha channel.

You can use VirtualVTR according to The Gallery's website. No experience here.

as these cards offer no OpenGL acceleration. For video play-outs, I've used a Folsom ImagePRO-HD in the past, which converts the DVI signal coming from the graphics card to pretty much any broadcast standard. A Matrox MXO will also work I think, but I personally have no experience with it.


MXO works. I's just another scan converter with genlock.

~Paul

Hallo,
I have seen the example project "QCTV" in the developer ressources.

is this example usable for what I would like to archive?
Is it possible to play a quartz-Template directly via a video card?

Any experiences on this field or a place to start from?

Thanks a lot,

Ute

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References:
	>Play quartz-Composition directly via a video-card in place of via gaphic card (From: ute Hoffmann <email@hidden>)
	>Re: Play quartz-Composition directly via a video-card in place of via gaphic card (From: Julien Rigal <email@hidden>)

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