No decoding solutions for special hack with single-channel images

[PrePLEX23]

Hi!
When I feed a grey image from function convertFrameToMessage to demosaicing, there are many grids in the image.
How can I solve it?

[berndpfrommer]

I don't see any grids in the image, at least when looking at it on my phone.
What pixel format is your av frame in?