std::string getNum(int num, int base=10);
std::string convertDVBUTF8(const unsigned char *data, int len, int table=0, int tsidonid=0); // with default ISO8859-1/Latin1
-std::string convertUTF8DVB(const std::string &string, int table=0); // with default ISO8859-1/Latin1
std::string convertLatin1UTF8(const std::string &string);
int isUTF8(const std::string &string);