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#pragma once
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#include <opencv2/core/core.hpp>
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#include <opencv2/imgproc.hpp>
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#include <opencv2/videoio.hpp>
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#include "vp_des_node.h"
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namespace vp_nodes {
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// screen des node, display video on local window.
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class vp_screen_des_node: public vp_des_node
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{
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private:
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/* data */
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std::string gst_template = "appsrc ! videoconvert ! videoscale ! textoverlay text=%s halignment=left valignment=top font-desc='Sans,16' shaded-background=true ! timeoverlay halignment=right valignment=top font-desc='Sans,16' shaded-background=true ! queue ! fpsdisplaysink video-sink=ximagesink sync=false";
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cv::VideoWriter screen_writer;
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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_screen_des_node(std::string node_name,
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int channel_index,
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bool osd = true,
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vp_objects::vp_size display_w_h = {});
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~vp_screen_des_node();
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// for osd frame
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bool osd;
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// display size
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vp_objects::vp_size display_w_h;
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};
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}
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