/*****************************************************************************
* mkv.cpp : matroska demuxer
*****************************************************************************
* Copyright (C) 2003-2004 VLC authors and VideoLAN
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Steve Lhomme <steve.lhomme@free.fr>
*
* This program 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 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_MKV_EBML_PARSER_HPP_
#define VLC_MKV_EBML_PARSER_HPP_
#include "mkv.hpp"
namespace mkv {
/*****************************************************************************
* Ebml Stream parser
*****************************************************************************/
class EbmlParser
{
public:
EbmlParser( matroska_iostream_c *es, EbmlElement *el_start, demux_t *p_demux );
~EbmlParser( void );
void reconstruct( matroska_iostream_c*, EbmlElement*, demux_t*);
void Up( void );
void Down( void );
///< Reset the parser to the start of the Segment
void Reset( demux_t *p_demux );
EbmlElement *Get( bool allow_overshoot = true );
void Keep( void );
void Unkeep( void );
int GetLevel( void ) const;
/* Is the provided element presents in our upper elements */
bool IsTopPresent( EbmlElement * ) const;
private:
static const int M_EL_MAXSIZE = 10;
demux_t *p_demux;
matroska_iostream_c *m_es;
size_t mi_level;
EbmlElement *m_el[M_EL_MAXSIZE];
bool return_previous_parent = false;
size_t mi_user_level;
bool mb_keep;
/* Allow dummy/unknown EBML elements */
bool mb_dummy;
};
} // namespace
#endif
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