first commit

2026-06-03 12:43:14 +08:00
commit ba76cfae28
608 changed files with 120791 additions and 0 deletions
--- a/objects/vp_meta.h
+++ b/objects/vp_meta.h
@@ -0,0 +1,111 @@
+#pragma once
+
+#include <string>
+#include <map>
+#include <any>
+#include <vector>
+#include <memory>
+#include <chrono>
+#include <assert.h>
+
+namespace vp_objects {
+
+    // meta type
+    enum vp_meta_type {
+        FRAME,
+        CONTROL
+    };
+
+    // meta trace field
+    // 1. sequence   ->int       ,sequence number the meta flowing through pipeline
+    // 2. node_name  ->string    ,name of current node the meta flow through
+    // 3. in_time    ->long      ,time when the meta arrive current node
+    // 4. out_time   ->long      ,time when the meta leave current node
+    // 5. text_info  ->vector    ,text info while the meta inside node
+    enum vp_meta_trace_field {
+        SEQUENCE,
+        NODE_NAME,
+        IN_TIME,
+        OUT_TIME,
+        TEXT_INFO
+    };
+
+    // base class for meta
+    class vp_meta {
+    private:
+    
+    protected:
+        /*
+        trace table, single record describe how meta flows in each node.
+        {
+            "file_src_0": {
+                "sequence": 0,
+                "node_name": "file_src_0",
+                "in_time": 1692384,
+                "out_time": 1692384,
+                "trace_desc": ["create frame meta at time 1692384", "...", "..."]
+            },
+            "primary_infer": {
+                "sequence": 1,
+                "node_name": "file_src_0",
+                "in_time": 1692384,
+                "out_time": 1692384,
+                "trace_desc": ["add 6 targets in frame meta at time 1692384", "...", "..."]
+            },
+            "secondary_infer": {
+                "sequence": 2,
+                "node_name": "file_src_0",
+                "in_time": 1692384,
+                "out_time": 1692384,
+                "trace_desc": ["updated 6 targets in target_list at 1692384", "...", "..."]
+            },
+            "osd": {
+                "sequence": 3,
+                "node_name": "file_src_0",
+                "in_time": 1692384,
+                "out_time": 1692384,
+                "trace_desc": ["draw 6 targets in on frame at time 1692384", "...", "..."]
+            },
+            "file_des_0": {
+                "sequence": 4,
+                "node_name": "file_src_0",
+                "in_time": 1692384,
+                "out_time": 1692384,
+                "trace_desc": ["balabala", "...", "..."]
+            }
+        }
+        */
+        //std::map<std::string, std::map<vp_meta_trace_field, std::any>> trace_table;
+    public:
+        vp_meta(vp_meta_type meta_type, int channel_index);
+        ~vp_meta();
+
+        // the time when meta created
+        std::chrono::system_clock::time_point create_time;
+
+        vp_meta_type meta_type;
+
+        // channel the meta belongs to
+        int channel_index;
+
+        // write trace record or not
+        bool trace_on = false;
+
+        // format traces string
+        virtual std::string get_traces_str();
+
+        // format meta string
+        virtual std::string get_meta_str();
+
+        // virtual clone method since we do not know what specific meta we need copy in some situations, return a new pointer pointting to new memory allocation in heap.
+        // note: every child class need implement its own clone() method.
+        virtual std::shared_ptr<vp_meta> clone() = 0;
+
+        // attach a new trace record for specific node (initialize key-value for current node)
+        //void attach_trace(std::string node_name);
+
+        // update trace record
+        //void update_trace(std::string node_name, vp_meta_trace_field trace_key, std::any trace_value);
+    };
+
+}