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/osd/vp_osd_node.h" 
#include "../nodes/vp_split_node.h" 
#include "../nodes/vp_screen_des_node.h" 
#include "../nodes/vp_rtsp_des_node.h" 
 
#include "../utils/analysis_board/vp_analysis_board.h" 
 
/* 
* ## rtsp_des_sample ## 
* show how vp_rtsp_des_node works, push video stream via rtsp, no specialized rtsp server needed. 
* visit `rtsp://server-ip:rtsp_port/rtsp_name directly. 
*/ 
 
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/vehicle_count.mp4", 0.5); 
    auto file_src_1 = std::make_shared<vp_nodes::vp_file_src_node>("file_src_1", 1, "./vp_data/test_video/vehicle_stop.mp4", 0.5); 
    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 osd = std::make_shared<vp_nodes::vp_osd_node>("osd"); 
    auto split = std::make_shared<vp_nodes::vp_split_node>("split_by_channel", true); 
    //auto screen_des_0 = std::make_shared<vp_nodes::vp_screen_des_node>("screen_des_0", 0); 
    auto rtsp_des_0 = std::make_shared<vp_nodes::vp_rtsp_des_node>("rtsp_des_0", 0, 8000, "rtsp_0"); 
     
    //auto srceen_des_1 = std::make_shared<vp_nodes::vp_screen_des_node>("screen_des_1", 1); 
    auto rtsp_des_1 = std::make_shared<vp_nodes::vp_rtsp_des_node>("rtsp_des_1", 1, 8000, "rtsp_1"); 
 
    // construct pipeline 
    yolo_detector->attach_to({file_src_0, file_src_1}); 
    osd->attach_to({yolo_detector}); 
    split->attach_to({osd}); 
    rtsp_des_0->attach_to({split}); 
    rtsp_des_1->attach_to({split}); 
 
    file_src_0->start(); 
    file_src_1->start(); 
 
    // for debug purpose 
    vp_utils::vp_analysis_board board({file_src_0, file_src_1}); 
    board.display(1, false); 
 
    std::string wait; 
    std::getline(std::cin, wait); 
    file_src_0->detach_recursively(); 
    file_src_1->detach_recursively(); 
}