38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
#pragma once
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#include <iostream>
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#include <memory>
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#include <chrono>
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#include <opencv2/core.hpp>
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#include <opencv2/imgproc.hpp>
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#include "vp_des_node.h"
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#include "../objects/vp_frame_meta.h"
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#include "../objects/vp_control_meta.h"
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#include "../utils/vp_utils.h"
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namespace vp_nodes {
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// callback before data disappear inside vp_app_des_node
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typedef std::function<void(std::string, std::shared_ptr<vp_objects::vp_meta>)> vp_app_des_result_hooker;
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// app des node, send meta data to external host code using callbacks.
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class vp_app_des_node: public vp_des_node {
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private:
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/* data */
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vp_app_des_result_hooker app_des_result_hooker;
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void invoke_app_des_result_hooker(std::shared_ptr<vp_objects::vp_meta> meta);
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protected:
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// re-implementation, return nullptr.
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virtual std::shared_ptr<vp_objects::vp_meta> handle_frame_meta(std::shared_ptr<vp_objects::vp_frame_meta> meta) override;
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// re-implementation, return nullptr.
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virtual std::shared_ptr<vp_objects::vp_meta> handle_control_meta(std::shared_ptr<vp_objects::vp_control_meta> meta) override;
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public:
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vp_app_des_node(std::string node_name,
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int channel_index);
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~vp_app_des_node();
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void set_app_des_result_hooker(vp_app_des_result_hooker app_des_result_hooker);
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};
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} |