add samples

wangrong

2025-03-19 291afb9c81aae1d15d9e3edcea618d0a2e1fc5a6

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#include "../../nodes/vp_image_src_node.h"
#include "../../nodes/infers/vp_trt_vehicle_detector.h"
#include "../../nodes/infers/vp_trt_vehicle_feature_encoder.h"
#include "../../nodes/broker/vp_embeddings_socket_broker_node.h"
#include "../../nodes/osd/vp_osd_node.h"
#include "../../nodes/vp_screen_des_node.h"
 
#include "../../utils/analysis_board/vp_analysis_board.h"
 
/*
* ## vehicle encoding pipeline ##
* generate embedding data for vehicles using VideoPipe, then send them via socket.
*/
 
int main(int argc, char* argv[]) {
    // get directory for test video and models
    assert(argc == 2);
    std::string data_dir(argv[1]);
    if (!vp_utils::ends_with(data_dir, "/")) {
        data_dir += "/";
    }
 
    VP_SET_LOG_LEVEL(vp_utils::vp_log_level::INFO);
    VP_LOGGER_INIT();
 
    // create nodes
    auto image_src_0 = std::make_shared<vp_nodes::vp_image_src_node>("image_src_0", 0, data_dir + "vp_data/test_images/vehicle/%d.jpg");
    auto trt_vehicle_detector = std::make_shared<vp_nodes::vp_trt_vehicle_detector>("trt_detector", data_dir + "vp_data/models/trt/vehicle/vehicle_v8.5.trt");
    auto trt_vehicle_feature_encoder = std::make_shared<vp_nodes::vp_trt_vehicle_feature_encoder>("trt_encoder", data_dir + "vp_data/models/trt/vehicle/vehicle_embedding_v8.5.trt", std::vector<int>{0, 1, 2});
    auto embedding_broker = std::make_shared<vp_nodes::vp_embeddings_socket_broker_node>("embedding_broker", "192.168.77.68", 8888, "static/cropped_images");
    auto osd_0 = std::make_shared<vp_nodes::vp_osd_node>("osd_0");
    auto screen_des_0 = std::make_shared<vp_nodes::vp_screen_des_node>("screen_des_0", 0);
    
    // construct pipeline
    trt_vehicle_detector->attach_to({image_src_0});
    trt_vehicle_feature_encoder->attach_to({trt_vehicle_detector});
    embedding_broker->attach_to({trt_vehicle_feature_encoder});
    osd_0->attach_to({embedding_broker});
    screen_des_0->attach_to({osd_0});
 
    // start pipeline
    image_src_0->start();
 
    // visualize pipeline for debug
    vp_utils::vp_analysis_board board({image_src_0});
    board.display();
}