add sample

wangrong

2025-01-23 02819b5c047bb354b0ef2374e7c6a6ac4bbd5bba

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#include "../nodes/vp_file_src_node.h" 
#include "../nodes/infers/vp_trt_vehicle_detector.h" 
#include "../nodes/osd/vp_osd_node.h" 
#include "../nodes/vp_screen_des_node.h" 
#include "../nodes/track/vp_sort_track_node.h" 
#include "../nodes/broker/vp_json_kafka_broker_node.h" 
 
#include "../utils/analysis_board/vp_analysis_board.h" 
 
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 model_path = "./vp_data/models/trt/vehicle/vehicle_detection.trt"; 
    std::string video_path = "./vp_data/test_video/vehicle_stop.mp4"; 
 
    float resize_ratio = 0.5; 
 
    // 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() >= 2) { 
        model_path = args[0]; 
        video_path = args[1]; 
        if (args.size() >= 3){ 
            resize_ratio = std::stof(args[2]); 
        } 
    } else { 
        std::cout << "Usage: " << argv[0] << " <model_path> <video_path> [resize_ratio]\n"; 
        std::cout << "Example: " << argv[0] << " ./vp_data/models/trt/vehicle/vehicle_detection.trt ./vp_data/test_video/vehicle_stop.mp4 0.5\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 trt_vehicle_detector = std::make_shared<vp_nodes::vp_trt_vehicle_detector>("vehicle_detector", model_path); 
    auto track_0 = std::make_shared<vp_nodes::vp_sort_track_node>("track_0"); 
    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_tracking", vp_nodes::vp_broke_for::BARESULT); 
    auto osd_0 = std::make_shared<vp_nodes::vp_osd_node>("osd_0", "./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 
    trt_vehicle_detector->attach_to({file_src_0}); 
    track_0->attach_to({trt_vehicle_detector}); 
    json_kafka_broker_0->attach_to({track_0}); 
    osd_0->attach_to({json_kafka_broker_0}); 
    screen_des_0->attach_to({osd_0}); 
 
    // start pipeline 
    file_src_0->start(); 
 
    // visualize pipeline for debug 
    vp_utils::vp_analysis_board board({file_src_0}); 
    board.display(); 
}