Projectors and QLab

[Max Irvine]

I am trying to puzzle out how to use a Mac Mini M4 Pro with 3 different projectors with different images on all of them at the same time. Mac MIni M4 Pro supports up to 3 displays, and of course one display would be the monitor in the booth. We would be using QLab commands to trigger playback in Isadora, then to the projectors.

We also have a much older mac mini (2012? 2014? Something like that) that we use to run audio cues in QLab. We are trying to avoid running a projector on that computer, I'm not confident the computer can handle running Isadora smoothly.

Ideally we have the Mac Mini M4 Pro handling ALL the video content, and the older Mac is just running it's own instance of QLab for audio, and sending cue commands to the video computer. Does any one have any advice on how to achieve this?

Thanks,

Max

[Joe Wilson]

If you can get away with 1080 to the projectors, you can get a 1x4 video wall processor that will present as one 4K display to the Mac Mini and will give you four 1080 outputs to play with.

You can use the "split display" feature in your stage setup in Izzy to set up your stages to match how the video wall controller splits up the 4k display into segments.

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[Paul]

I would use a video wall controller, like this https://cpc.farnell.com/pro-signal/psg3561/2x2-video-wall-controller-1080p/dp/AV30565 

you can set up one large Route (3 screens wide) from QLab from 3 different QLab Stages then configure the controller to take your wide screen and display it on 3 projectors.

If you connect both your Mac running audio and video together on a network, you can use Network cues to trigger the video cues from the audio QLab Workspace.

BTW I have used a 2014 MacBook with 3 HD (1080p) projectors okay.