first commit

objects/ba/vp_ba_result.h

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+#pragma once
+
+#include <vector>
+#include <string>
+#include <memory>
+#include "../shapes/vp_point.h"
+
+
+namespace vp_objects {
+    // type of behaviour analysis
+    enum class vp_ba_type {
+        NONE = 0b00000000,       // none
+        CROSSLINE = 0b00000001,  // cross line
+        STOP = 0b00000010,       // enter stop status
+        UNSTOP = 0b00000100,     // leave stop status
+        JAM = 0b00001000,        // enter jam status
+        UNJAM = 0b00010000       // leave jam status
+        /* more */
+    };
+
+    // result of behaviour analysis
+    // BA logic can ONLY works on vp_frame_target
+    class vp_ba_result
+    {
+    private:
+        /* data */
+    public:
+        // type
+        vp_ba_type type;
+        // target ids which involved for this ba result, empty allowed.
+        std::vector<int> involve_target_ids_in_frame;
+        // region (or single line) involved for this ba result, empty allowed.
+        std::vector<vp_objects::vp_point> involve_region_in_frame;
+
+        // channel index of this ba result
+        int channel_index;
+        // frame index of this ba result
+        int frame_index;
+
+        // name of ba
+        std::string ba_label = "not specified";
+
+        // record image name if exist
+        std::string record_image_name = "";
+        // record video name if exist
+        std::string record_video_name = "";
+
+        vp_ba_result(vp_ba_type type, 
+                    int channel_index,
+                    int frame_index,
+                    std::vector<int> involve_target_ids_in_frame, 
+                    std::vector<vp_objects::vp_point> involve_region_in_frame,
+                    std::string ba_label = "not specified",
+                    std::string record_image_name = "",
+                    std::string record_video_name = "");
+        ~vp_ba_result();
+
+        // get description for ba result
+        virtual std::string to_string();
+
+        // clone myself
+        std::shared_ptr<vp_ba_result> clone();
+    };
+
+}