interaction_with_pipe_sample.cpp

#include "../nodes/vp_file_src_node.h"
#include "../nodes/infers/vp_yunet_face_detector_node.h"
#include "../nodes/infers/vp_sface_feature_encoder_node.h"
#include "../nodes/osd/vp_face_osd_node_v2.h"
#include "../nodes/vp_screen_des_node.h"
#include "../nodes/vp_rtmp_des_node.h"
#include "../nodes/vp_split_node.h"

#include "../utils/analysis_board/vp_analysis_board.h"

/*
* ## interaction_with_pipe sample ##
* show how to interact with pipe, start/stop/speak on src nodes independently.
*/

int main() {
    VP_LOGGER_INIT();
    VP_SET_LOG_LEVEL(vp_utils::vp_log_level::INFO);

    // create nodes
    auto file_src_0 = std::make_shared<vp_nodes::vp_file_src_node>("file_src_0", 0, "./vp_data/test_video/face.mp4", 0.6);
    auto file_src_1 = std::make_shared<vp_nodes::vp_file_src_node>("file_src_1", 1, "./vp_data/test_video/face2.mp4", 0.6);
    auto yunet_face_detector = std::make_shared<vp_nodes::vp_yunet_face_detector_node>("yunet_face_detector_0", "./vp_data/models/face/face_detection_yunet_2022mar.onnx");
    auto sface_face_encoder = std::make_shared<vp_nodes::vp_sface_feature_encoder_node>("sface_face_encoder_0", "./vp_data/models/face/face_recognition_sface_2021dec.onnx");
    
    auto split = std::make_shared<vp_nodes::vp_split_node>("split", true);  // split by channel index
    
    auto osd_0 = std::make_shared<vp_nodes::vp_face_osd_node_v2>("osd_0");
    auto screen_des_0 = std::make_shared<vp_nodes::vp_screen_des_node>("screen_des_0", 0);
    auto rtmp_des_0 = std::make_shared<vp_nodes::vp_rtmp_des_node>("rtmp_des_0", 0, "rtmp://192.168.77.60/live/10000");

    auto osd_1 = std::make_shared<vp_nodes::vp_face_osd_node_v2>("osd_1");
    auto screen_des_1 = std::make_shared<vp_nodes::vp_screen_des_node>("screen_des_1", 1);
    auto rtmp_des_1 = std::make_shared<vp_nodes::vp_rtmp_des_node>("rtmp_des_1", 1, "rtmp://192.168.77.60/live/10000");

    // construct pipeline
    yunet_face_detector->attach_to({file_src_0, file_src_1});
    sface_face_encoder->attach_to({yunet_face_detector});
    
    split->attach_to({sface_face_encoder});

    // split by vp_split_node
    osd_0->attach_to({split});
    osd_1->attach_to({split});

    // auto split again on channel 0
    screen_des_0->attach_to({osd_0});
    rtmp_des_0->attach_to({osd_0});

    // auto split again on channel 1
    screen_des_1->attach_to({osd_1});
    rtmp_des_1->attach_to({osd_1});

    // for debug purpose
    std::vector<std::shared_ptr<vp_nodes::vp_node>> src_nodes_in_pipe{file_src_0, file_src_1};
    vp_utils::vp_analysis_board board(src_nodes_in_pipe);
    board.display(1, false);   // no block since we need interactions from console later


    /* interact from console */
    /* no except check */
    std::string input;
    std::getline(std::cin, input);
    // input format: `start channel`, like `start 0` means start channel 0
    auto inputs = vp_utils::string_split(input, ' '); 
    while (inputs[0] != "quit") {
        // no except check
        auto command = inputs[0];
        auto index = std::stoi(inputs[1]);
        auto src_by_channel = std::dynamic_pointer_cast<vp_nodes::vp_src_node>(src_nodes_in_pipe[index]);
        if (command == "start") {
            src_by_channel->start();
        }
        else if (command == "stop") {
            src_by_channel->stop();
        }
        else if (command == "speak") {
            src_by_channel->speak();
        }
        else {
            std::cout << "invalid command!" << std::endl;
        }
        std::getline(std::cin, input);
        inputs = vp_utils::string_split(input, ' '); 
        if (inputs.size() != 2) {
             std::cout << "invalid input!" << std::endl;
             break;
        }
    }

    std::cout << "interaction_with_pipe sample exits..." << std::endl;
    file_src_0->detach_recursively();
    file_src_1->detach_recursively();
}