Having issues with using 3 Logitech 4K Pro's in OBS.
On my Intel mac in Big Sur, they could all feed in at 4K, in realtime to OBS, Now on my Intel 16in i9 MBP, and 16in M1 Pro, they are very delayed (or become very delayed) at 4K, OBS reports no issues with framerates, but the cameras are unusable unless I drop them all down to 1080p, sometimes I can get one up to 1440 24p.
They're fine with 1 connected, or even 2, but when there's 3 it all goes crazy.
This all worked fine in Big Sur.
Noticed where there used to be 3 options in OBS on Big Sur, for how the signal is compressed/sent from the cameras, now there is only one (NV12 420), unless I go at or below 1080, then I get YUY 420 as an option as well, but no more MJPEG, for example.
Have tried the Intel and Apple Silicon builds of OBS (Intel build on both Intel and M1 Pro machines), problem is the same, though M1 build is a bit smoother at times, I think.
Plugging them into a hub or directly to the machine makes zero difference.
Seems to be something changed in Monterey, and it sucks for my work.
Tried a fresh user as well, with a fresh install of OBS, also little difference. So my guess is it might be a macOS or logitech thing.
Attached screenshots from Monterey of the options
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