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

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

**

** <file/class description>

**

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

**

** 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: KaxBlockData.h,v 1.10 2004/04/14 23:26:17 robux4 Exp $

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

*/

#ifndef LIBMATROSKA_BLOCK_ADDITIONAL_H

#define LIBMATROSKA_BLOCK_ADDITIONAL_H

#include "matroska/KaxTypes.h"

#include "ebml/EbmlMaster.h"

#include "ebml/EbmlUInteger.h"

#include "ebml/EbmlSInteger.h"

#include "matroska/KaxDefines.h"

#include "matroska/KaxBlock.h"

using namespace libebml;

namespace libmatroska {

/*!

  \brief element used for B frame-likes

*/

DECLARE_MKX_SINTEGER_CONS(KaxReferenceBlock)

  public:

        ~KaxReferenceBlock() override;

    /*!

      \brief override this method to compute the timecode value

    */

    filepos_t UpdateSize(bool bSaveDefault = false, bool bForceRender = false) override;

    const KaxBlockBlob & RefBlock() const;

    void SetReferencedBlock(const KaxBlockBlob * aRefdBlock);

    void SetReferencedBlock(const KaxBlockGroup & aRefdBlock);

    void SetParentBlock(const KaxBlockGroup & aParentBlock) {ParentBlock = &aParentBlock;}

    void SetReferencedTimecode(int64 refTimecode) {*static_cast<EbmlSInteger*>(this) = refTimecode; bTimecodeSet = true;};

  protected:

    const KaxBlockBlob * RefdBlock{nullptr};

    const KaxBlockGroup * ParentBlock{nullptr};

    bool bTimecodeSet{false};

        bool bOurBlob{false};

        void FreeBlob();

};

} // namespace libmatroska

#endif // LIBMATROSKA_BLOCK_ADDITIONAL_H