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diff --git a/libk3b/tools/k3biso9660backend.h b/libk3b/tools/k3biso9660backend.h
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+/* 
+ *
+ * $Id: sourceheader 380067 2005-01-19 13:03:46Z trueg $
+ * Copyright (C) 2005 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_ISO9660_BACKEND_H_
+#define _K3B_ISO9660_BACKEND_H_
+
+#include <qstring.h>
+
+#include "k3b_export.h"
+
+namespace K3bDevice {
+  class Device;
+}
+
+class K3bLibDvdCss;
+
+
+class K3bIso9660Backend
+{
+ public:
+  K3bIso9660Backend() {}
+  virtual ~K3bIso9660Backend() {}
+
+  virtual bool open() = 0;
+  virtual void close() = 0;
+  virtual bool isOpen() const = 0;
+  virtual int read( unsigned int sector, char* data, int len ) = 0;
+};
+
+
+class K3bIso9660DeviceBackend : public K3bIso9660Backend
+{
+ public:
+  LIBK3B_EXPORT K3bIso9660DeviceBackend( K3bDevice::Device* dev );
+  ~K3bIso9660DeviceBackend();
+
+  bool open();
+  void close();
+  bool isOpen() const { return m_isOpen; }
+  int read( unsigned int sector, char* data, int len );
+
+ private:
+  K3bDevice::Device* m_device;
+  bool m_isOpen;
+};
+
+
+class K3bIso9660FileBackend : public K3bIso9660Backend
+{
+ public:
+  LIBK3B_EXPORT K3bIso9660FileBackend( const QString& filename );
+  K3bIso9660FileBackend( int fd );
+  ~K3bIso9660FileBackend();
+
+  bool open();
+  void close();
+  bool isOpen() const;
+  int read( unsigned int sector, char* data, int len );
+
+ private:
+  QString m_filename;
+  int m_fd;
+  bool m_closeFd;
+};
+
+
+class K3bIso9660LibDvdCssBackend : public K3bIso9660Backend
+{
+ public:
+  LIBK3B_EXPORT K3bIso9660LibDvdCssBackend( K3bDevice::Device* );
+  ~K3bIso9660LibDvdCssBackend();
+
+  bool open();
+  void close();
+  bool isOpen() const;
+  int read( unsigned int sector, char* data, int len );
+
+ private:
+  K3bDevice::Device* m_device;
+  K3bLibDvdCss* m_libDvdCss;
+};
+
+#endif