Question / Help FPS drops significantly when stream starts

tjspurge

New Member
I'm attempting to stream a 4k camera feed through an Avio 4k capture card to my Macbook Pro 2014 on the latest OSX. For one, I can't select a Base Resolution higher than my monitor's resolution (is that just the way OBS works?), and whenever I start a stream, the framerate drops from 29.97 to around 14. Please excuse my noobery, but is there a way to actually get a 4k signal into my macbook? I know I can't monitor at 4k since my monitor isn't 4k, but shouldn't I be able to pass a 4k signal through the Avio 4k card?
 
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