Category : ffi

I am getting an image from the mobile phone device camera and want to use OpenCV to apply color filters to the images. (Software/System is a Flutter App that uses Foreign Function Interface (FFI) to interact with the OpenCV Library in C++) I followed below questions and tried to implement the solutions but so far ..

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Im just starting off on my c++ journey after doing some foundational work in R. We are currently working on how to call C++ functions in R using wrappers etc. I want to feed the c++ function a vector and the length of the vector, and receive whether each element of the vector is positive, ..

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I am trying to call CPP function from NodeJS typedef struct foo { uint8_t *data; int dataSize; } foo ; foo *ExtractBar(const int16_t *bar); I have tried nbind library in NodeJS. but getting unbound type error. uint16 = Int16Array.from(‘12345’); uint16.fill(0); lib.ExtractBar(uint16); I have also tried ffi-napi npm module. but from that I was getting segmentation ..

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