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chapters.hpp
Package: vlc-1.0.5.zip　[view]
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midi program

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chapters.hpp：Code Content
  1. /*****************************************************************************
  2.  * chapters.hpp : matroska demuxer
  3.  *****************************************************************************
  4.  * Copyright (C) 2003-2004 the VideoLAN team
  5.  * $Id: 4116ef3439be3e9041dd24c510a8ef2f0fa974fc $
  6.  *
  7.  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  8.  *          Steve Lhomme <steve.lhomme@free.fr>
  9.  *
  10.  * This program is free software; you can redistribute it and/or modify
  11.  * it under the terms of the GNU General Public License as published by
  12.  * the Free Software Foundation; either version 2 of the License, or
  13.  * (at your option) any later version.
  14.  *
  15.  * This program is distributed in the hope that it will be useful,
  16.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18.  * GNU General Public License for more details.
  19.  *
  20.  * You should have received a copy of the GNU General Public License
  21.  * along with this program; if not, write to the Free Software
  22.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23.  *****************************************************************************/
  25. /* chapter_item, chapter_edition, and chapter_translation classes */
  27. #ifndef _CHAPTER_H_
  28. #define _CHAPTER_H_
  30. #include "mkv.hpp"
  32. class chapter_translation_c
  33. {
  34. public:
  35.     chapter_translation_c()
  36.         :p_translated(NULL)
  37.     {}
  39.     ~chapter_translation_c()
  40.     {
  41.         delete p_translated;
  42.     }
  44.     KaxChapterTranslateID  *p_translated;
  45.     unsigned int           codec_id;
  46.     std::vector<uint64_t>  editions;
  47. };
  49. class chapter_codec_cmds_c;
  50. class chapter_item_c
  51. {
  52. public:
  53.     chapter_item_c()
  54.     :i_start_time(0)
  55.     ,i_end_time(-1)
  56.     ,i_user_start_time(-1)
  57.     ,i_user_end_time(-1)
  58.     ,i_seekpoint_num(-1)
  59.     ,b_display_seekpoint(true)
  60.     ,b_user_display(false)
  61.     ,psz_parent(NULL)
  62.     ,b_is_leaving(false)
  63.     {}
  65.     virtual ~chapter_item_c();
  67.     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
  68.     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
  69.     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
  70.     void Append( const chapter_item_c & edition );
  71.     chapter_item_c * FindChapter( int64_t i_find_uid );
  72.     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
  73.                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
  74.                                     const void *p_cookie,
  75.                                     size_t i_cookie_size );
  76.     std::string                 GetCodecName( bool f_for_title = false ) const;
  77.     bool                        ParentOf( const chapter_item_c & item ) const;
  78.     int16                       GetTitleNumber( ) const;
  79.  
  80.     int64_t                     i_start_time, i_end_time;
  81.     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
  82.     std::vector<chapter_item_c*> sub_chapters;
  83.     int                         i_seekpoint_num;
  84.     int64_t                     i_uid;
  85.     bool                        b_display_seekpoint;
  86.     bool                        b_user_display;
  87.     std::string                 psz_name;
  88.     chapter_item_c              *psz_parent;
  89.     bool                        b_is_leaving;
  90.  
  91.     std::vector<chapter_codec_cmds_c*> codecs;
  93.     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
  94.     {
  95.         return ( itemA->i_user_start_time < itemB->i_user_start_time || (itemA->i_user_start_time == itemB->i_user_start_time && itemA->i_user_end_time < itemB->i_user_end_time) );
  96.     }
  98.     bool Enter( bool b_do_subchapters );
  99.     bool Leave( bool b_do_subchapters );
  100.     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
  101. };
  103. class chapter_edition_c : public chapter_item_c
  104. {
  105. public:
  106.     chapter_edition_c()
  107.     :b_ordered(false)
  108.     {}
  109.  
  110.     void RefreshChapters( );
  111.     mtime_t Duration() const;
  112.     std::string GetMainName() const;
  113.     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
  114.  
  115.     bool                        b_ordered;
  116. };
  118. #endif