Thursday, July 2, 2020

Re: [Avid-L2] Decklink Mini Questions

I don't have direct experience of installing two blackmagic cards into a workstation, but I suspect this is a limitation of Media Composer.

I say this because I have a similar situation with the Mojo DX and a Decklink SDI 4K. (the Mojo is attached via a host PCI adaptor). If I don't have the Mojo switched on when I boot up, it's not recognised by the system (windows 7) and when MC starts, it sees the blackmagic card and works fine with that.

If I do have the Mojo powered, then the system sees both it and the Decklink card, and if I start MC, it automatically connects with the Mojo. There seems to be no way to have MC select the Decklink over the Mojo in any of Avid's hardware settings. I don't know if MC is choosing the Mojo over the Decklink because it's an Avid product, or if there's some some preference due to slot position (the Mojo PCI adaptor is in a lower numbered PCI slot).

You could certainly try swopping the slot positions of your cards and see if MC now sees the Mini Monitor over the Recorder. Of course, this doesn't solve your problem, so the only thing I can suggest is trying to make the Mini Recorder 'busy' when you start up MC. You could (maybe) do this by using Blackmagic's Media Express software in capture mode, and accept a video feed from the Mini Recorder, This may make it unavailable to MC, which might force it to use the Mini Monitor.

Not a very elegant solution, but if it works, you could possibly investigate selectively disabling one of the cards via the device driver settings. I don't know how you would do this on a Mac, but in Windows 7 device manager, you can select a device and disable the driver for it, thus temporarily removing it as an available device.

Other than that, maybe this is a feature request you could submit to Avid. 
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