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diff --git a/src/metadata/m4a/mp4mvhdbox.h b/src/metadata/m4a/mp4mvhdbox.h
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+++ b/src/metadata/m4a/mp4mvhdbox.h
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+/***************************************************************************
+    copyright            : (C) 2002, 2003, 2006 by Jochen Issing
+    email                : [email protected]
+ ***************************************************************************/
+
+/***************************************************************************
+ *   This library is free software; you can redistribute it and/or modify  *
+ *   it  under the terms of the GNU Lesser General Public License version  *
+ *   2.1 as published by the Free Software Foundation.                     *
+ *                                                                         *
+ *   This library is distributed in the hope that it will be useful, but   *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with this library; if not, write to the Free Software   *
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
+ *   MA  02110-1301  USA                                                   *
+ ***************************************************************************/
+
+#ifndef MP4MVHDBOX_H
+#define MP4MVHDBOX_H
+
+#include "mp4isofullbox.h"
+#include "mp4fourcc.h"
+#include "mp4file.h" // ulonglong
+
+namespace TagLib
+{
+  namespace MP4
+  {
+    class Mp4MvhdBox: public Mp4IsoFullBox
+    {
+    public:
+      Mp4MvhdBox( TagLib::File* file, MP4::Fourcc fourcc, TagLib::uint size, long offset );
+      ~Mp4MvhdBox();
+
+      //! function to get the creation time of the mp4 file
+      ulonglong creationTime() const;
+      //! function to get the modification time of the mp4 file
+      ulonglong modificationTime() const;
+      //! function to get the timescale referenced by the above timestamps
+      uint timescale() const;
+      //! function to get the presentation duration in the mp4 file
+      ulonglong duration() const;
+      //! function to get the rate (playout speed) - typically 1.0;
+      uint rate() const;
+      //! function to get volume level for presentation - typically 1.0;
+      uint volume() const;
+      //! function to get the track ID for adding new tracks - useless for this lib
+      uint nextTrackID() const;
+
+      //! parse mvhd contents
+      void parse();
+
+    private:
+      class Mp4MvhdBoxPrivate;
+      Mp4MvhdBoxPrivate* d;
+    }; // Mp4MvhdBox
+
+  } // namespace MP4
+} // namespace TagLib
+
+#endif // MP4MVHDBOX_H