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/* 
 *
 * $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
 * Copyright (C) 2006 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_VIDEOVD_H_
#define _K3B_VIDEOVD_H_

#include <k3bvideodvdtitle.h>

#include <k3b_export.h>

#include <qstring.h>
#include <qvaluevector.h>


namespace K3bDevice {
  class Device;
}

/**
 * The K3bVideoDVD classes do not provide a complete playback frontend to
 * libdvdread but are merely intended for Video DVD analysis.
 *
 * They are title based and thus treat a Video DVD to be a set of titles.
 * Additional Video DVD constructs such as title sets, parts of titles (chapters),
 * program chanins, or cells are not handled explicitly.
 *
 * The usage is very simple. One creates a VideoDVD instance and calls the open()
 * method with a device containing a Video DVD. If the method returns true the
 * analysis was successful and the structures are filled.
 *
 * After open() has returned the device has already been closed.
 */
namespace K3bVideoDVD
{
  /**
   * libdvdread wrapper class
   */
  class LIBK3B_EXPORT VideoDVD
    {
    public:
      VideoDVD();
      ~VideoDVD();
      
      /**
       * \return true if a Video DVD was successfully opened via open()
       */
      bool valid() const;
      
      /**
       * Open a video dvd and parse it's contents. The device will be closed after this
       * method returns, regardless of it's success.
       */
      bool open( K3bDevice::Device* dev );
      
      K3bDevice::Device* device() const { return m_device; }
      const QString& volumeIdentifier() const { return m_volumeIdentifier; }
      unsigned int numTitles() const { return m_titles.count(); }
      
      /**
       * Get a title from the Video DVD. Index starts at 0.
       */
      const Title& title( unsigned int num ) const;
      const Title& operator[]( unsigned int num ) const;
      
      void debug() const;
      
    private:
      K3bDevice::Device* m_device;
      QValueVector<Title> m_titles;
      QString m_volumeIdentifier;
    };

  LIBK3B_EXPORT QString audioFormatString( int format );
  LIBK3B_EXPORT QString audioCodeExtensionString( int ext );
  LIBK3B_EXPORT QString subPictureCodeModeString( int mode );
  LIBK3B_EXPORT QString subPictureCodeExtensionString( int ext );
}

#endif