Changed directory structure and renamed applications

- autopilot -> drone_controller
- rtsp_ai_player -> ai_controller
- added top level qmake project file
- updated documentation
- moved small demo applications from tmp/ to misc/

ai_controller/aiengineinference.h

@@ -0,0 +1,50 @@
+#pragma once
+
+#include <QObject>
+#include <QString>
+#include <QVector>
+#include <opencv2/core.hpp>
+#include <opencv2/imgproc.hpp>
+#include "aienginedefinitions.h"
+
+
+const int INFERENCE_SQUARE_WIDTH  = 640;
+const int INFERENCE_SQUARE_HEIGHT = 640;
+
+
+class AiEngineObject {
+public:
+    AiEngineRectangle rectangle;
+    float propability;
+    int classId;
+    QString classStr;
+};
+
+
+class AiEngineInferenceResult {
+public:
+    cv::Mat frame;
+    QVector<AiEngineObject> objects;
+};
+
+
+class AiEngineInference : public QObject
+{
+    Q_OBJECT
+public:
+    explicit AiEngineInference(QString modelPath, QObject *parent = nullptr);
+    bool isActive(void);
+
+protected:
+    cv::Mat resizeAndPad(const cv::Mat& src);
+    QString mModelPath;
+    bool mActive;
+    int mNumber;
+    QVector<QString> mClassNames;
+
+public slots:
+    virtual void performInferenceSlot(cv::Mat frame) = 0;
+    virtual void initialize(int number) = 0;
+signals:
+    void resultsReady(AiEngineInferenceResult results);
+};