策略方案 FFI
我正在尝试使用 ffi 调用 opencv 的 cvReleaseCapture,
void cvReleaseCapture( CvCapture** capture );
http://www.ai.rug.nl/vakinformatie/pas /content/Highgui/opencvref_highgui.htm
我已经尝试过，
(define release-capture (c-lambda ((pointer (pointer "CvCapture"))) void "cvReleaseCapture"))
并没有真正起作用。
I am trying to use ffi to call opencv's cvReleaseCapture,
void cvReleaseCapture( CvCapture** capture );
http://www.ai.rug.nl/vakinformatie/pas/content/Highgui/opencvref_highgui.htm
I have tried,
(define release-capture (c-lambda ((pointer (pointer "CvCapture"))) void "cvReleaseCapture"))
didn't relly worked.
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(c-define-type CvCapture (pointer (pointer (struct "CvCapture"))))
(define release-capture (c-lambda (CvCapture) void "cvReleaseCapture"))
(c-define-type CvCapture (pointer (pointer (struct "CvCapture"))))
(define release-capture (c-lambda (CvCapture) void "cvReleaseCapture"))