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diff --git a/xbmc/music/MusicThumbLoader.h b/xbmc/music/MusicThumbLoader.h
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+++ b/xbmc/music/MusicThumbLoader.h
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+/*
+ *  Copyright (C) 2012-2018 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 "ThumbLoader.h"
+
+#include <map>
+
+class CFileItem;
+class CMusicDatabase;
+class EmbeddedArt;
+
+class CMusicThumbLoader : public CThumbLoader
+{
+public:
+  CMusicThumbLoader();
+  ~CMusicThumbLoader() override;
+
+  void OnLoaderStart() override;
+  void OnLoaderFinish() override;
+
+  bool LoadItem(CFileItem* pItem) override;
+  bool LoadItemCached(CFileItem* pItem) override;
+  bool LoadItemLookup(CFileItem* pItem) override;
+
+  /*! \brief Helper function to fill all the art for a music library item
+  This fetches the original url for each type of art, and sets fallback thumb and fanart.
+  For songs the art for the related album and artist(s) is also set, and for albums that
+  of the related artist(s). Art type is named according to media type of the item,
+  for example:
+  artists may have "thumb", "fanart", "logo", "poster" etc.,
+  albums may have "thumb", "spine" etc. and "artist.thumb", "artist.fanart" etc.,
+  songs may have "thumb", "album.thumb", "artist.thumb", "artist.fanart", "artist.logo",...
+  "artist1.thumb", "artist1.fanart",... "albumartist.thumb", "albumartist1.thumb" etc.
+   \param item a music CFileItem
+   \return true if we fill art, false if there is no art found
+   */
+  bool FillLibraryArt(CFileItem &item) override;
+
+  /*! \brief Fill the thumb of a music file/folder item
+   First uses a cached thumb from a previous run, then checks for a local thumb
+   and caches it for the next run
+   \param item the CFileItem object to fill
+   \return true if we fill the thumb, false otherwise
+   */
+  virtual bool FillThumb(CFileItem &item, bool folderThumbs = true);
+
+  static bool GetEmbeddedThumb(const std::string &path, EmbeddedArt &art);
+
+protected:
+  CMusicDatabase *m_musicDatabase;
+  typedef std::map<int, std::map<std::string, std::string> > ArtCache;
+  ArtCache m_albumArt;
+};