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/*****************************************************************************
* virtual_segment.hpp : virtual segment implementation in the MKV demuxer
*****************************************************************************
* Copyright © 2003-2011 VideoLAN and VLC authors
* $Id: c901e44e8996b3e825fc24ab7f929126a7ac5b08 $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Steve Lhomme <steve.lhomme@free.fr>
* Denis Charmet <typx@dinauz.org>
*
* 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 _VIRTUAL_SEGMENT_HPP_
#define _VIRTUAL_SEGMENT_HPP_
#include "mkv.hpp"
#include "matroska_segment.hpp"
#include "chapters.hpp"
/* virtual classes don't own anything but virtual elements so they shouldn't have to delete anything */
class virtual_chapter_c
{
public:
virtual_chapter_c( matroska_segment_c *p_seg, chapter_item_c *p_chap, int64_t start, int64_t stop ):
p_segment(p_seg), p_chapter(p_chap),
i_virtual_start_time(start), i_virtual_stop_time(stop)
{}
~virtual_chapter_c();
static virtual_chapter_c * CreateVirtualChapter( chapter_item_c * p_chap,
matroska_segment_c * p_main_segment,
std::vector<matroska_segment_c*> * segments,
int64_t * usertime_offset, bool b_ordered );
virtual_chapter_c* getSubChapterbyTimecode( int64_t time );
bool EnterAndLeave( virtual_chapter_c *p_item, bool b_enter = true );
virtual_chapter_c * FindChapter( int64_t i_find_uid );
int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level );
virtual_chapter_c * BrowseCodecPrivate( unsigned int codec_id,
bool (*match)( const chapter_codec_cmds_c &data,
const void *p_cookie,
size_t i_cookie_size ),
const void *p_cookie,
size_t i_cookie_size );
bool Enter( bool b_do_subs );
bool Leave( bool b_do_subs );
static bool CompareTimecode( const virtual_chapter_c * itemA, const virtual_chapter_c * itemB )
{
return ( itemA->i_virtual_start_time < itemB->i_virtual_start_time );
}
matroska_segment_c *p_segment;
chapter_item_c *p_chapter;
int64_t i_virtual_start_time;
int64_t i_virtual_stop_time;
int i_seekpoint_num;
std::vector<virtual_chapter_c *> sub_chapters;
#if MKV_DEBUG
void print();
#endif
};
class virtual_edition_c
{
public:
virtual_edition_c( chapter_edition_c * p_edition, std::vector<matroska_segment_c*> *opened_segments );
~virtual_edition_c();
std::vector<virtual_chapter_c*> chapters;
virtual_chapter_c* getChapterbyTimecode( int64_t time );
std::string GetMainName();
int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level );
virtual_chapter_c * BrowseCodecPrivate( unsigned int codec_id,
bool (*match)( const chapter_codec_cmds_c &data,
const void *p_cookie,
size_t i_cookie_size ),
const void *p_cookie, size_t i_cookie_size );
bool b_ordered;
int64_t i_duration;
chapter_edition_c *p_edition;
int i_seekpoint_num;
private:
void retimeChapters();
void retimeSubChapters( virtual_chapter_c * p_vchap );
#if MKV_DEBUG
void print(){ for( size_t i = 0; i<chapters.size(); i++ ) chapters[i]->print(); }
#endif
};
// class holding hard-linked segment together in the playback order
class virtual_segment_c
{
public:
virtual_segment_c( std::vector<matroska_segment_c*> * opened_segments );
~virtual_segment_c();
std::vector<virtual_edition_c*> editions;
int i_current_edition;
virtual_chapter_c *p_current_chapter;
int i_sys_title;
inline virtual_edition_c * CurrentEdition()
{
if( i_current_edition >= 0 && (size_t) i_current_edition < editions.size() )
return editions[i_current_edition];
return NULL;
}
virtual_chapter_c * CurrentChapter() const
{
return p_current_chapter;
}
matroska_segment_c * CurrentSegment() const
{
if ( !p_current_chapter )
return NULL;
return p_current_chapter->p_segment;
}
inline int64_t Duration()
{
return editions[i_current_edition]->i_duration / 1000;
}
inline std::vector<virtual_edition_c*>* Editions() { return &editions; }
virtual_chapter_c *BrowseCodecPrivate( unsigned int codec_id,
bool (*match)( const chapter_codec_cmds_c &data,
const void *p_cookie,
size_t i_cookie_size ),
const void *p_cookie,
size_t i_cookie_size );
virtual_chapter_c * FindChapter( int64_t i_find_uid );
bool UpdateCurrentToChapter( demux_t & demux );
void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset,
virtual_chapter_c *p_chapter, int64_t i_global_position );
private:
void ChangeSegment( matroska_segment_c * p_old, matroska_segment_c * p_new, mtime_t i_start_time );
};
#endif
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