Method SaveObjDetectedData

src/CVObjectDetection.cpp:301–335

}

bool CVObjectDetection::SaveObjDetectedData(){
    // Create tracker message
    pb_objdetect::ObjDetect objMessage;

    //Save class names in protobuf message
    for(int i = 0; i<classNames.size(); i++){
        std::string* className = objMessage.add_classnames();
        className->assign(classNames.at(i));
    }

    // Iterate over all frames data and save in protobuf message
    for(std::map<size_t,CVDetectionData>::iterator it=detectionsData.begin(); it!=detectionsData.end(); ++it){
        CVDetectionData dData = it->second;
        pb_objdetect::Frame* pbFrameData;
        AddFrameDataToProto(objMessage.add_frame(), dData);
    }

    // Add timestamp
    *objMessage.mutable_last_updated() = TimeUtil::SecondsToTimestamp(time(NULL));

    {
        // Write the new message to disk.
        std::fstream output(protobuf_data_path, ios::out | ios::trunc | ios::binary);
        if (!objMessage.SerializeToOstream(&output)) {
        cerr << "Failed to write protobuf message." << endl;
        return false;
        }
    }

    // Delete all global objects allocated by libprotobuf.
    google::protobuf::ShutdownProtobufLibrary();

    return true;

}

// Add frame object detection into protobuf message.
void CVObjectDetection::AddFrameDataToProto(pb_objdetect::Frame* pbFrameData, CVDetectionData& dData) {