Thank you for answering. I prepared the code based on hello_classification.cpp, so please check it.
This code hangs at the FreeLibrary part.
//source.cpp/////////////////////////////////////////////////////
#include "pch.h"
#include "source.h"
#include <iostream>
#include <vector>
#include <windows.h>
#include <opencv2/opencv.hpp>
#include <openvino/openvino.hpp>
ov::InferRequest infer_request;
int WINAPI dll() {
try {
// -------- Step 1. Initialize OpenVINO Runtime Core --------
ov::Core core;
std::string model_path = model_path;
cv::Mat img = cv::imread(img_path);
std::shared_ptr<ov::Model> model = core.read_model(model_path);
ov::element::Type input_type = ov::element::u8;
ov::Shape input_shape = { (unsigned long)1, (unsigned long)img.rows, (unsigned long)img.cols, (unsigned long)3 };
// just wrap image data by ov::Tensor without allocating of new memory
ov::Tensor input_tensor = ov::Tensor(input_type, input_shape, img.data);
const ov::Layout tensor_layout{ "NHWC" };
// -------- Step 4. Configure preprocessing --------
ov::preprocess::PrePostProcessor ppp(model);
ppp.input().tensor().set_shape(input_shape).set_element_type(input_type).set_layout(tensor_layout);
ppp.input().preprocess().resize(ov::preprocess::ResizeAlgorithm::RESIZE_LINEAR);
ppp.input().model().set_layout("NHWC");
ppp.output().tensor().set_element_type(ov::element::f32);
model = ppp.build();
ov::CompiledModel compiled_model = core.compile_model(model, "CPU");
infer_request = compiled_model.create_infer_request();
infer_request.set_input_tensor(input_tensor);
infer_request.infer();
const ov::Tensor& output_tensor = infer_request.get_output_tensor();
// -----------------------------------------------------------------------------------------------------
ov::shutdown();
}
catch (const std::exception& ex) {
std::cerr << ex.what() << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
///////////////////////////////////////////////////////
#pragma once
#include <windows.h>
#ifdef EXPORTS
#define API __declspec(dllexport)
#else
#define API __declspec(dllimport)
#endif
extern "C" API int dll();
///////////////////////////////////////////////////////
DLL_call.cpp
#include <iostream>
#include <windows.h>
#include "source.h"
typedef int(*FUNC_dll1)();
int main()
{
HMODULE hModule = LoadLibraryA("Dll1.dll");
FUNC_dll1 called_dll1 = (FUNC_dll1)GetProcAddress(hModule, "dll");
called_dll1();
int error = FreeLibrary(hModule);
std::cout << error << std::endl;
return 0;
}
