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diff --git a/xbmc/utils/LangCodeExpander.h b/xbmc/utils/LangCodeExpander.h
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+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include <map>
+#include <string>
+#include <vector>
+
+class TiXmlElement;
+
+class CLangCodeExpander
+{
+public:
+  CLangCodeExpander();
+  ~CLangCodeExpander();
+
+  enum LANGFORMATS
+  {
+    ISO_639_1,
+    ISO_639_2,
+    ENGLISH_NAME
+  };
+
+  void LoadUserCodes(const TiXmlElement* pRootElement);
+  void Clear();
+
+  bool Lookup(const std::string& code, std::string& desc);
+  bool Lookup(const int code, std::string& desc);
+
+  /** \brief Determines if two english language names represent the same language.
+  *   \param[in] lang1 The first language string to compare given as english language name.
+  *   \param[in] lang2 The second language string to compare given as english language name.
+  *   \return true if the two language strings represent the same language, false otherwise.
+  *   For example "Abkhaz" and "Abkhazian" represent the same language.
+  */
+  bool CompareFullLanguageNames(const std::string& lang1, const std::string& lang2);
+
+  /** \brief Determines if two languages given as ISO 639-1, ISO 639-2/T, or ISO 639-2/B codes represent the same language.
+  *   \param[in] code1 The first language to compare given as ISO 639-1, ISO 639-2/T, or ISO 639-2/B code.
+  *   \param[in] code2 The second language to compare given as ISO 639-1, ISO 639-2/T, or ISO 639-2/B code.
+  *   \return true if the two language codes represent the same language, false otherwise.
+  *   For example "ger", "deu" and "de" represent the same language.
+  */
+  bool CompareISO639Codes(const std::string& code1, const std::string& code2);
+
+  /** \brief Converts a language given as 2-Char (ISO 639-1),
+  *          3-Char (ISO 639-2/T or ISO 639-2/B),
+  *          or full english name string to a 2-Char (ISO 639-1) code.
+  *   \param[out] code The 2-Char language code of the given language lang.
+  *   \param[in] lang The language that should be converted.
+  *   \return true if the conversion succeeded, false otherwise.
+  */
+  bool ConvertToISO6391(const std::string& lang, std::string& code);
+
+  /** \brief Converts a language given as 2-Char (ISO 639-1),
+  *          3-Char (ISO 639-2/T or ISO 639-2/B),
+  *          or full english name string to a 3-Char ISO 639-2/B code.
+  *   \param[in] lang The language that should be converted.
+  *   \return The 3-Char ISO 639-2/B code of lang if that code exists, lang otherwise.
+  */
+  std::string ConvertToISO6392B(const std::string& lang);
+
+  /** \brief Converts a language given as 2-Char (ISO 639-1) to a 3-Char (ISO 639-2/T) code.
+  *   \param[in] strISO6391 The language that should be converted.
+  *   \param[out] strISO6392B The 3-Char (ISO 639-2/B) language code of the given language strISO6391.
+  *   \param[in] checkWin32Locales Whether to also check WIN32 specific language codes.
+  *   \return true if the conversion succeeded, false otherwise.
+  */
+  static bool ConvertISO6391ToISO6392B(const std::string& strISO6391, std::string& strISO6392B, bool checkWin32Locales = false);
+
+  /** \brief Converts a language given as 2-Char (ISO 639-1),
+  *          3-Char (ISO 639-2/T or ISO 639-2/B),
+  *          or full english name string to a 3-Char ISO 639-2/T code.
+  *   \param[in] strCharCode The language that should be converted.
+  *   \param[out] strISO6392B The 3-Char (ISO 639-2/B) language code of the given language strISO6391.
+  *   \param[in] checkWin32Locales Whether to also check WIN32 specific language codes.
+  *   \return true if the conversion succeeded, false otherwise.
+  */
+  bool ConvertToISO6392B(const std::string& strCharCode, std::string& strISO6392B, bool checkWin32Locales = false);
+
+  /** \brief Converts a language given as 2-Char (ISO 639-1),
+  *          3-Char (ISO 639-2/T or ISO 639-2/B),
+  *          or full english name string to a 3-Char ISO 639-2/T code.
+  *   \param[in] strCharCode The language that should be converted.
+  *   \param[out] strISO6392T The 3-Char (ISO 639-2/T) language code of the given language strISO6391.
+  *   \param[in] checkWin32Locales Whether to also check WIN32 specific language codes.
+  *   \return true if the conversion succeeded, false otherwise.
+  */
+  bool ConvertToISO6392T(const std::string& strCharCode, std::string& strISO6392T, bool checkWin32Locales = false);
+
+  /** \brief Converts a language given as 2-Char (ISO 639-1),
+  *          3-Char (ISO 639-2/T or ISO 639-2/B),
+  *          or full english name string to a 3-Char ISO 639-2/T code.
+  *   \param[in] lang The language that should be converted.
+  *   \return The 3-Char ISO 639-2/T code of lang if that code exists, lang otherwise.
+  */
+  std::string ConvertToISO6392T(const std::string& lang);
+
+#ifdef TARGET_WINDOWS
+  static bool ConvertISO31661Alpha2ToISO31661Alpha3(const std::string& strISO31661Alpha2, std::string& strISO31661Alpha3);
+  static bool ConvertWindowsLanguageCodeToISO6392B(const std::string& strWindowsLanguageCode, std::string& strISO6392B);
+#endif
+
+  std::vector<std::string> GetLanguageNames(LANGFORMATS format = ISO_639_1, bool customNames = false);
+protected:
+
+  /** \brief Converts a language code given as a long, see #MAKECODE(a, b, c, d)
+  *          to its string representation.
+  *   \param[in] code The language code given as a long, see #MAKECODE(a, b, c, d).
+  *   \param[out] ret The string representation of the given language code code.
+  */
+  static void CodeToString(long code, std::string& ret);
+
+  static bool LookupInISO639Tables(const std::string& code, std::string& desc);
+  bool LookupInUserMap(const std::string& code, std::string& desc);
+
+  /** \brief Looks up the ISO 639-1, ISO 639-2/T, or ISO 639-2/B, whichever it finds first,
+  *          code of the given english language name.
+  *   \param[in] desc The english language name for which a code is looked for.
+  *   \param[out] code The ISO 639-1, ISO 639-2/T, or ISO 639-2/B code of the given language desc.
+  *   \return true if the a code was found, false otherwise.
+  */
+  bool ReverseLookup(const std::string& desc, std::string& code);
+
+
+  /** \brief Looks up the user defined code of the given code or language name.
+  *   \param[in] desc The language code or name that should be converted.
+  *   \param[out] userCode The user defined language code of the given language desc.
+  *   \return true if desc was found, false otherwise.
+  */
+  bool LookupUserCode(const std::string& desc, std::string &userCode);
+
+  typedef std::map<std::string, std::string> STRINGLOOKUPTABLE;
+  STRINGLOOKUPTABLE m_mapUser;
+};
+
+extern CLangCodeExpander g_LangCodeExpander;