1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*****************************************************************************
* matroska_segment.hpp : matroska demuxer
*****************************************************************************
* Copyright (C) 2003-2004 VLC authors and VideoLAN
* $Id: afb37dbc9f274e53e438de3c15441d8466c0e6b2 $
*
* 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 _MATROSKA_SEGMENT_HPP_
#define _MATROSKA_SEGMENT_HPP_
#include "mkv.hpp"
class EbmlParser;
class chapter_edition_c;
class chapter_translation_c;
class chapter_item_c;
struct mkv_track_t;
struct mkv_index_t;
typedef enum
{
WHOLE_SEGMENT,
TRACK_UID,
EDITION_UID,
CHAPTER_UID,
ATTACHMENT_UID
} tag_target_type;
class SimpleTag
{
public:
SimpleTag():
psz_tag_name(NULL), psz_lang(NULL), b_default(true), p_value(NULL){}
~SimpleTag();
char *psz_tag_name;
char *psz_lang; /* NULL value means "undf" */
bool b_default;
char * p_value;
std::vector<SimpleTag *> sub_tags;
};
class Tag
{
public:
Tag():i_tag_type(WHOLE_SEGMENT),i_target_type(50),i_uid(0){}
~Tag();
tag_target_type i_tag_type;
uint64_t i_target_type;
uint64_t i_uid;
std::vector<SimpleTag*> simple_tags;
};
class matroska_segment_c
{
public:
matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream );
virtual ~matroska_segment_c();
KaxSegment *segment;
EbmlStream & es;
/* time scale */
uint64_t i_timescale;
/* duration of the segment */
mtime_t i_duration;
mtime_t i_start_time;
/* all tracks */
std::vector<mkv_track_t*> tracks;
/* from seekhead */
int i_seekhead_count;
int64_t i_seekhead_position;
int64_t i_cues_position;
int64_t i_tracks_position;
int64_t i_info_position;
int64_t i_chapters_position;
int64_t i_tags_position;
int64_t i_attachments_position;
KaxCluster *cluster;
uint64 i_block_pos;
uint64 i_cluster_pos;
int64_t i_start_pos;
KaxSegmentUID *p_segment_uid;
KaxPrevUID *p_prev_segment_uid;
KaxNextUID *p_next_segment_uid;
bool b_cues;
int i_index;
int i_index_max;
mkv_index_t *p_indexes;
/* info */
char *psz_muxing_application;
char *psz_writing_application;
char *psz_segment_filename;
char *psz_title;
char *psz_date_utc;
/* !!!!! GCC 3.3 bug on Darwin !!!!! */
/* when you remove this variable the compiler issues an atomicity error */
/* this variable only works when using std::vector<chapter_edition_c> */
std::vector<chapter_edition_c*> stored_editions;
int i_default_edition;
std::vector<chapter_translation_c*> translations;
std::vector<KaxSegmentFamily*> families;
std::vector<Tag *> tags;
demux_sys_t & sys;
EbmlParser *ep;
bool b_preloaded;
bool b_ref_external_segments;
bool Preload();
bool PreloadFamily( const matroska_segment_c & segment );
void InformationCreate();
void Seek( mtime_t i_date, mtime_t i_time_offset, int64_t i_global_position );
int BlockGet( KaxBlock * &, KaxSimpleBlock * &, bool *, bool *, int64_t *);
int BlockFindTrackIndex( size_t *pi_track,
const KaxBlock *, const KaxSimpleBlock * );
bool Select( mtime_t i_start_time );
void UnSelect();
static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
private:
void LoadCues( KaxCues *cues );
void LoadTags( KaxTags *tags );
bool LoadSeekHeadItem( const EbmlCallbacks & ClassInfos, int64_t i_element_position );
void ParseInfo( KaxInfo *info );
void ParseAttachments( KaxAttachments *attachments );
void ParseChapters( KaxChapters *chapters );
void ParseSeekHead( KaxSeekHead *seekhead );
void ParseTracks( KaxTracks *tracks );
void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
void ParseTrackEntry( KaxTrackEntry *m );
void ParseCluster( bool b_update_start_time = true );
SimpleTag * ParseSimpleTags( KaxTagSimple *tag, int level = 50 );
void IndexAppendCluster( KaxCluster *cluster );
int32_t TrackInit( mkv_track_t * p_tk );
void ComputeTrackPriority();
};
#endif
|
