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                          docsubclip.h  -  description
    begin                : Fri Feb 15 2002
    copyright            : (C) 2002 by Jason Wood
    email                : jasonwood@blueyonder.co.uk

 *                                                                         *
 *   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.                                   *
 *                                                                         *


#include <qstring.h>

#include "gentime.h"
#include "docclipbase.h"

class KdenliveDoc;

      * Encapsulates a video, audio, picture, title, or any other kind of file that Kdenlive can support.
      * Each type of file should be encapsulated in it's own class, which should inherit this one.
  *@author Jason Wood
00033 class DocSubClip:public DocClipBase {
  Q_OBJECT public:
    DocSubClip(KdenliveDoc * doc, DocClipBase * avFile);

    QString fileName();

      /** Returns the duration of the file */
    const GenTime & duration() const;

      /** Returns the type of this clip */
     DocClipBase::CLIPTYPE clipType();

    QDomDocument toXML();
      /** Returns the url of the AVFile this clip contains */
    KURL fileURL();
      /** Creates a clip from the passed QDomElement. This only pertains to those details specific to DocSubClip.*/
    static DocSubClip *createClip(KdenliveDoc * doc,
      const QDomElement element);
      /** Returns true if the clip duration is known, false otherwise. */
    virtual bool durationKnown();
    virtual double framesPerSecond() const;
      /** Returns a scene list generated from this clip. */
    virtual QDomDocument generateSceneList(bool addProducers = true);
    // Appends scene times for this clip to the passed vector.
    virtual void populateSceneTimes(QValueVector < GenTime > &toPopulate);
    // Returns an XML document that describes part of the current scene.
    virtual QDomDocument sceneToXML(const GenTime & startTime,
      const GenTime & endTime);

    virtual bool matchesXML(const QDomElement & element);
    virtual bool hasFileSize() const {
      return false;
    } virtual uint fileSize() const {
      return 0;
    } virtual bool referencesClip(DocClipBase * clip) const;
      /** A play object factory, used for calculating information, and previewing files */
      /** Determines whether this file contains audio, video or both. */
00072      DocClipBase::CLIPTYPE m_clipType;
      /** Holds a pointer to the clip which contains details of the file this clip portrays. */
00074     DocClipBase *m_clip;


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