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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_VIDEODVD_TITLE_DETECTCLIPPING_JOB_H_
#define _K3B_VIDEODVD_TITLE_DETECTCLIPPING_JOB_H_

#include <k3b_export.h>
#include <k3bjob.h>
#include <k3bvideodvd.h>

class TDEProcess;

/**
 * Job to detect the clipping values for a Video DVD title.
 */
class LIBK3B_EXPORT K3bVideoDVDTitleDetectClippingJob : public K3bJob
{
  Q_OBJECT
  

 public:
  K3bVideoDVDTitleDetectClippingJob( K3bJobHandler* hdl, TQObject* parent );
  ~K3bVideoDVDTitleDetectClippingJob();

  const K3bVideoDVD::VideoDVD& videoDVD() const { return m_dvd; }
  int title() const { return m_titleNumber; }
  bool lowPriority() const { return m_lowPriority; }

  /**
   * Only valid after a successful completion of the job.
   */
  int clippingTop() const { return m_clippingTop; }

  /**
   * Only valid after a successful completion of the job.
   */
  int clippingLeft() const { return m_clippingLeft; }

  /**
   * Only valid after a successful completion of the job.
   */
  int clippingBottom() const { return m_clippingBottom; }

  /**
   * Only valid after a successful completion of the job.
   */
  int clippingRight() const { return m_clippingRight; }

 public slots:
  void start();
  void cancel();

  /**
   * The device containing the Video DVD
   */
  void setVideoDVD( const K3bVideoDVD::VideoDVD& dvd ) { m_dvd = dvd; }

  /**
   * Set the title number to be analysed
   *
   * The default value is 1, denoting the first title.
   */
  void setTitle( int t ) { m_titleNumber = t; }

  /**
   * If true the transcode processes will be run with a very low scheduling 
   * priority.
   *
   * The default is true.
   */
  void setLowPriority( bool b ) { m_lowPriority = b; }

 private slots:
  void slotTranscodeStderr( const TQString& );
  void slotTranscodeExited( TDEProcess* );

 private:
  void startTranscode( int chapter );

  K3bVideoDVD::VideoDVD m_dvd;

  int m_clippingTop;
  int m_clippingBottom;
  int m_clippingLeft;
  int m_clippingRight;

  int m_titleNumber;

  bool m_lowPriority;

  class Private;
  Private* d;
};

#endif