first commit

nodes/vp_app_src_node.h

@@ -0,0 +1,28 @@
+
+#pragma once
+
+#include "vp_src_node.h"
+
+namespace vp_nodes {
+    // app src node, receive image data from external host code.
+    class vp_app_src_node: public vp_src_node
+    {
+    private:
+    protected:
+        // just call vp_node::handle_run to ignore vp_src_node::handle_run
+        virtual void handle_run() override;
+        // just call vp_node::handle_frame_meta to ignore vp_src_node::handle_frame_meta
+        virtual std::shared_ptr<vp_objects::vp_meta> handle_frame_meta(std::shared_ptr<vp_objects::vp_frame_meta> meta) override; 
+        // just call vp_node::handle_control_meta to ignore vp_src_node::handle_control_meta
+        virtual std::shared_ptr<vp_objects::vp_meta> handle_control_meta(std::shared_ptr<vp_objects::vp_control_meta> meta) override;
+
+    public:
+        vp_app_src_node(std::string node_name, 
+                        int channel_index);
+        ~vp_app_src_node();
+
+        // push frames into pipeline
+        // size of frame MUST be the same as the first time pushing to pipeline
+        bool push_frames(std::vector<cv::Mat> frames);
+    };
+}