/****************************************************************************

** libmatroska : parse Matroska files, see http://www.matroska.org/

**

** <file/class description>

**

** Copyright (C) 2002-2010 Steve Lhomme.  All rights reserved.

**

** This file is part of libmatroska.

**

** This library is free software; you can redistribute it and/or

** modify it under the terms of the GNU Lesser General Public

** License as published by the Free Software Foundation; either

** version 2.1 of the License, or (at your option) any later version.

**

** This library 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

** Lesser General Public License for more details.

**

** You should have received a copy of the GNU Lesser General Public

** License along with this library; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

**

** See http://www.gnu.org/licenses/lgpl-2.1.html for LGPL licensing information.**

** Contact license@matroska.org if any conditions of this licensing are

** not clear to you.

**

**********************************************************************/

/*!

  \file

  \version \$Id: KaxTracks.h,v 1.7 2004/04/14 23:26:17 robux4 Exp $

  \author Steve Lhomme     <robux4 @ users.sf.net>

*/

#ifndef LIBMATROSKA_TRACKS_H

#define LIBMATROSKA_TRACKS_H

#include "matroska/KaxTypes.h"

#include "ebml/EbmlMaster.h"

#include "ebml/EbmlUInteger.h"

#include "matroska/KaxDefines.h"

#include "matroska/KaxSemantic.h"

using namespace libebml;

namespace libmatroska {

DECLARE_MKX_MASTER(KaxTrackEntry)

  public:

    EbmlUInteger & TrackNumber() const { return *(static_cast<EbmlUInteger *>(FindElt(EBML_INFO(KaxTrackNumber)))); }

    void EnableLacing(bool bEnable = true);

    /*!

      \note lacing set by default

    */

    inline bool LacingEnabled() const {

      auto myLacing = static_cast<KaxTrackFlagLacing *>(FindFirstElt(EBML_INFO(KaxTrackFlagLacing)));

      return((myLacing == nullptr) || (static_cast<uint8>(*myLacing) != 0));

    }

    void SetGlobalTimecodeScale(uint64 aGlobalTimecodeScale) {

      mGlobalTimecodeScale = aGlobalTimecodeScale;

      bGlobalTimecodeScaleIsSet = true;

    }

    uint64 GlobalTimecodeScale() const {

      assert(bGlobalTimecodeScaleIsSet);

      return mGlobalTimecodeScale;

    }

  protected:

    bool   bGlobalTimecodeScaleIsSet{false};

    uint64 mGlobalTimecodeScale;

};

} // namespace libmatroska

#endif // LIBMATROSKA_TRACKS_H