add samples

wangrong

2025-03-19 291afb9c81aae1d15d9e3edcea618d0a2e1fc5a6

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#include "../nodes/vp_file_src_node.h" 
#include "../nodes/infers/vp_yolo_detector_node.h" 
#include "../nodes/track/vp_sort_track_node.h" 
#include "../nodes/ba/vp_ba_person_gathering_node.h" 
#include "../nodes/ba/vp_ba_person_falldown_node.h" 
#include "../nodes/osd/vp_ba_stop_osd_node.h" 
#include "../nodes/vp_screen_des_node.h" 
#include "../nodes/broker/vp_json_kafka_broker_node.h" 
#include "../nodes/record/vp_record_node.h" 
 
#include "../utils/analysis_board/vp_analysis_board.h" 
 
/* 
* ## ba crossline sample ## 
* behaviour analysis for crossline. 
*/ 
 
int main(int argc, char* argv[]) { 
    VP_SET_LOG_LEVEL(vp_utils::vp_log_level::INFO); 
    VP_LOGGER_INIT(); 
 
    std::vector<std::string> args(argv + 1, argv + argc); 
    // 默认的命令行参数 
    std::string video_path = "./vp_data/test_video/gathering.mp4"; 
 
    float resize_ratio = 1.0; 
 
    // 如果提供了第一个和第二个参数，则覆盖默认的路径 
    if (args.size() >= 1) { 
        video_path = args[0]; 
        if (args.size() >= 2){ 
            resize_ratio = std::stof(args[1]); 
        } 
    } else { 
        std::cout << "Usage: " << argv[0] << " <video_path> [resize_ratio]\n"; 
        std::cout << "Example: " << argv[0] << " ./vp_data/test_video/gathering.mp4 1.0\n"; 
        return -1; 
    } 
 
 
    // create nodes 
    auto file_src_0 = std::make_shared<vp_nodes::vp_file_src_node>("file_src_0", 0, video_path, resize_ratio); 
    auto yolo_detector = std::make_shared<vp_nodes::vp_yolo_detector_node>("yolo_detector", "./vp_data/models/det_cls/yolov3-tiny-2022-0721_best.weights", "./vp_data/models/det_cls/yolov3-tiny-2022-0721.cfg", "./vp_data/models/det_cls/yolov3_tiny_5classes.txt"); 
    auto tracker = std::make_shared<vp_nodes::vp_sort_track_node>("sort_tracker"); 
     
    int min_gathering_count = 2; 
    auto ba_person_gathering = std::make_shared<vp_nodes::vp_ba_person_gathering_node>("vp_ba_person_gathering_node", min_gathering_count,true,true); 
    auto ba_person_falldown = std::make_shared<vp_nodes::vp_ba_person_falldown_node>("vp_ba_person_falldown_node", true,true); 
    auto json_kafka_broker_0 = std::make_shared<vp_nodes::vp_json_kafka_broker_node>("json_kafka_broker_0", "192.168.0.85:9092", "vp_ba_person", vp_nodes::vp_broke_for::BARESULT); 
    auto osd = std::make_shared<vp_nodes::vp_ba_stop_osd_node>("osd"); 
    auto recorder = std::make_shared<vp_nodes::vp_record_node>("recorder", "./record", "./record"); 
    auto screen_des_0 = std::make_shared<vp_nodes::vp_screen_des_node>("screen_des_0", 0); 
     
    // construct pipeline 
    yolo_detector->attach_to({file_src_0}); 
    tracker->attach_to({yolo_detector}); 
    ba_person_gathering->attach_to({tracker}); 
    ba_person_falldown->attach_to({ba_person_gathering}); 
    json_kafka_broker_0->attach_to({ba_person_falldown}); 
    osd->attach_to({json_kafka_broker_0}); 
    recorder->attach_to({osd}); 
    screen_des_0->attach_to({recorder}); 
 
 
    file_src_0->start(); 
 
    // for debug purpose 
    vp_utils::vp_analysis_board board({file_src_0}); 
    board.display(1, false); 
 
    std::string wait; 
    std::getline(std::cin, wait); 
    file_src_0->detach_recursively(); 
}