Added support for OPI5 build

tmp/opi_rtsp/src-onnx/inference.h

@@ -0,0 +1,44 @@
+#ifndef INFERENCE_H
+#define INFERENCE_H
+
+#include <onnxruntime_cxx_api.h>
+#include <opencv2/opencv.hpp>
+#include <vector>
+#include <string>
+
+struct Detection
+{
+    float confidence;
+    cv::Rect bbox;
+    int class_id;
+    std::string class_name;
+};
+
+
+class InferenceEngine
+{
+public:
+    InferenceEngine(const std::string &model_path);
+    ~InferenceEngine();
+
+    std::vector<float> preprocessImage(const cv::Mat &image);
+    std::vector<Detection> filterDetections(const std::vector<float> &results, float confidence_threshold, int img_width, int img_height, int orig_width, int orig_height);
+    std::vector<float> runInference(const std::vector<float> &input_tensor_values);
+    
+    cv::Mat draw_labels(const cv::Mat &image, const std::vector<Detection> &detections);
+
+    std::vector<int64_t> input_shape;
+    
+private:
+    Ort::Env env;
+    Ort::SessionOptions session_options;
+    Ort::Session session;
+
+    std::string getInputName();
+    std::string getOutputName();
+
+    static const std::vector<std::string> CLASS_NAMES;
+};
+
+
+#endif // INFERENCE_H