Gambit Scheme FFI

852 Views Asked by Hamza Yerlikaya At 17 April 2025 at 13:46

I am trying to use ffi to call opencv's cvReleaseCapture,

void cvReleaseCapture( CvCapture** capture );

I have tried,

(define release-capture (c-lambda ((pointer (pointer "CvCapture"))) void "cvReleaseCapture"))

didn't relly worked.

There are 1 best solutions below

Will Bendick On 29 March 2011 at 02:57

(c-define-type CvCapture (pointer (pointer (struct "CvCapture"))))

(define release-capture (c-lambda (CvCapture) void "cvReleaseCapture"))