Method SaveTrackedData

src/CVTracker.cpp:329–359

}

bool CVTracker::SaveTrackedData(){
    using std::ios;

    // Create tracker message
    pb_tracker::Tracker trackerMessage;

    // Iterate over all frames data and save in protobuf message
    for(std::map<size_t,FrameData>::iterator it=trackedDataById.begin(); it!=trackedDataById.end(); ++it){
        FrameData fData = it->second;
        pb_tracker::Frame* pbFrameData;
        AddFrameDataToProto(trackerMessage.add_frame(), fData);
    }

    // Add timestamp
    *trackerMessage.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 (!trackerMessage.SerializeToOstream(&output)) {
        std::cerr << "Failed to write protobuf message." << std::endl;
        return false;
        }
    }

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

    return true;

}

// Add frame tracked data into protobuf message.
void CVTracker::AddFrameDataToProto(pb_tracker::Frame* pbFrameData, FrameData& fData) {