On Mon, 29 Jun 2020 at 15:03, basho1600@pm.me wrote:
(cffi:foreign-funcall "v4lconvert_convert" :POINTER convert-info :POINTER *camera-format* :POINTER *display-format* :POINTER raw-image :INT *local-length* :POINTER pixdata :INT pixbuf-size :INT)
It is the pointers to the two '-format' items that are causing the trouble I think. Both of them were defined using defcstruct.
What are the values of those -format variables?