Lou K.

I'm trying to record two video inputs using a pair of Blackmagic Intensity Pro cards in my MacPro.

Whichever jit.qt.grab object first receives the write command is able to do so successfully but the second one is then unable to record, responding with "error -9402 setting bottlenecks".

Any idea how to resolve this? I'm running the latest firmware (3.3.1) on the Intensity Pros and capturing from their s-video inputs.

I'm trying to record two video inputs using a pair of Blackmagic Intensity Pro cards in my MacPro. 

Whichever jit.qt.grab object first receives the  write command is able to do so successfully but the second one is then unable to record, responding with "error -9402 setting bottlenecks".

Any idea how to resolve this? I'm running the latest firmware (3.3.1) on the Intensity Pros and capturing from their s-video inputs. 

jit-qt-grab-with-two-intensity-pros

Update: I've confirmed that other apps, Wirecast being one, are able to handle two Intensity Pro cards at once.

I know this works, as myself and a friend set up a Mac Pro with 2 intensity cards to make an HD software mixer with DVI inputs... so, you should be able to get this working...

Good to know, I'll give it another whirl in the coming days. Which inputs were you using? Maybe the problem is tied to using two s-video inputs at the same time. I'm guessing you converted the DVI to HDMI or composite?

jit.qt.grab with two Intensity Pros?