/*  dvbcut
    Copyright (c) 2005 Sven Over <svenover@svenover.de>
 
    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.
 
    This program 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 General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef _DVBCUT_DIFFERENCEIMAGEPROVIDER_H
#define _DVBCUT_DIFFERENCEIMAGEPROVIDER_H

#include "imageprovider.h"
#include <qimage.h>

/**
@author Sven Over
*/
class differenceimageprovider : public imageprovider
  {
protected:
  int basepic;
  QImage baseimg;
  virtual void decodepicture(int picture, bool decodeallgop=false);

public:
  differenceimageprovider(mpgfile &mpg, int basepicture, busyindicator *bi=0, 
                          bool unscaled=false, int factor=1, int cachesize=50);

  ~differenceimageprovider();

  };

#endif