add sample

wangrong

2025-01-23 02819b5c047bb354b0ef2374e7c6a6ac4bbd5bba

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#include "../nodes/vp_file_src_node.h" 
#include "../nodes/infers/vp_trt_yolov8_detector.h" 
#include "../nodes/infers/vp_trt_yolov8_classifier.h" 
#include "../nodes/osd/vp_osd_node_v3.h" 
#include "../nodes/vp_screen_des_node.h" 
#include "../utils/analysis_board/vp_analysis_board.h" 
 
/* 
* ## trt yolov8 sample2 ## 
* detection/classification using yolov8 based on tensorrt 
*/ 
 
int main() { 
    VP_SET_LOG_LEVEL(vp_utils::vp_log_level::INFO); 
    VP_LOGGER_INIT(); 
 
    // create nodes 
    auto file_src_0 = std::make_shared<vp_nodes::vp_file_src_node>("file_src_0", 0, "./vp_data/test_video/mask_rcnn.mp4"); 
    auto yolo8_detector = std::make_shared<vp_nodes::vp_trt_yolov8_detector>("yolo8_detector", "./vp_data/models/trt/others/yolov8s_v8.5.engine", "./vp_data/models/coco_80classes.txt"); 
    auto yolo8_classifier = std::make_shared<vp_nodes::vp_trt_yolov8_classifier>("yolo8_classifier", "./vp_data/models/trt/others/yolov8s-cls_v8.5.engine", "./vp_data/models/imagenet_1000labels1.txt"); 
    auto osd = std::make_shared<vp_nodes::vp_osd_node_v3>("osd", "./vp_data/font/NotoSansCJKsc-Medium.otf"); 
    auto screen_des_0 = std::make_shared<vp_nodes::vp_screen_des_node>("screen_des_0", 0); 
 
    // construct pipeline 
    yolo8_detector->attach_to({file_src_0}); 
    yolo8_classifier->attach_to({yolo8_detector}); 
    osd->attach_to({yolo8_classifier}); 
    screen_des_0->attach_to({osd}); 
 
    // start pipeline 
    file_src_0->start(); 
 
    // visualize pipeline for debug 
    vp_utils::vp_analysis_board board({file_src_0}); 
    board.display(); 
}