first commit

objects/vp_image_record_control_meta.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "vp_control_meta.h"
+
+namespace vp_objects {
+    // control meta for image recording, it is a specific type of vp_control_meta.
+    // when vp_record_node handle this control meta, the node will save the Latest Next frame in pipeline to disk.
+    // refer to ./nodes/record/README.md for more details
+    class vp_image_record_control_meta: public vp_control_meta
+    {
+    private:
+        /* data */
+    public:
+        vp_image_record_control_meta(int channel_index, 
+                                    std::string image_file_name_without_ext,
+                                    bool osd = false);
+        ~vp_image_record_control_meta();
+
+        // copy myself
+        virtual std::shared_ptr<vp_meta> clone() override;
+
+        // file name without extension, like 2022-10-20_22-30-20_aaa_bbb, which should be a meaningful and unique name.
+        // generated by sender who want to record image
+        std::string image_file_name_without_ext;
+
+        // record type (osd frame or not)
+        bool osd = false;
+    };
+
+}