55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
#include "../nodes/vp_file_src_node.h"
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#include "../nodes/infers/vp_yunet_face_detector_node.h"
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#include "../nodes/osd/vp_face_osd_node.h"
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#include "../nodes/vp_app_des_node.h"
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#include "../utils/analysis_board/vp_analysis_board.h"
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/*
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* ## app_des_sample ##
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* 1. reading video from file
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* 2. detect faces and draw results
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* 3. display on screen in host code using cv::imshow(...)
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* using vp_app_des_node INSTEAD OF vp_screen_des_node for displaying.
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*/
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int main() {
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VP_SET_LOG_LEVEL(vp_utils::vp_log_level::INFO);
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VP_LOGGER_INIT();
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// create nodes
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auto file_src_0 = std::make_shared<vp_nodes::vp_file_src_node>("file_src_0", 0, "./vp_data/test_video/face.mp4");
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auto yunet_face_detector_0 = std::make_shared<vp_nodes::vp_yunet_face_detector_node>("yunet_face_detector_0", "./vp_data/models/face/face_detection_yunet_2022mar.onnx");
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auto osd_0 = std::make_shared<vp_nodes::vp_face_osd_node>("osd_0");
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auto app_des_0 = std::make_shared<vp_nodes::vp_app_des_node>("app_des_0", 0);
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// register callback to display result
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std::string ori_win_title = "original frame using cv::imshow(...)";
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std::string osd_win_title = "osd frame using cv::imshow(...)";
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cv::namedWindow(ori_win_title,cv::WindowFlags::WINDOW_NORMAL);
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cv::namedWindow(osd_win_title,cv::WindowFlags::WINDOW_NORMAL);
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app_des_0->set_app_des_result_hooker([&](std::string node_name, std::shared_ptr<vp_objects::vp_meta> meta) {
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// only deal with frame meta
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if (meta->meta_type == vp_objects::vp_meta_type::FRAME) {
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auto frame_meta = std::dynamic_pointer_cast<vp_objects::vp_frame_meta>(meta);
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cv::imshow(ori_win_title, frame_meta->frame);
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// osd frame may be empty
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if (!frame_meta->osd_frame.empty()) {
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cv::imshow(osd_win_title, frame_meta->osd_frame);
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}
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}
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});
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// construct pipeline
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yunet_face_detector_0->attach_to({file_src_0});
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osd_0->attach_to({yunet_face_detector_0});
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app_des_0->attach_to({osd_0});
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// start pipeline
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file_src_0->start();
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// for debug purpose
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vp_utils::vp_analysis_board board({file_src_0});
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board.display();
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} |