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
|
/* GStreamer Matroska muxer/demuxer
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* matroska-demux.h: matroska file/stream demuxer definition
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_MATROSKA_DEMUX_H__
#define __GST_MATROSKA_DEMUX_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include "ebml-read.h"
#include "matroska-ids.h"
G_BEGIN_DECLS
#define GST_TYPE_MATROSKA_DEMUX \
(gst_matroska_demux_get_type ())
#define GST_MATROSKA_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemux))
#define GST_MATROSKA_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemuxClass))
#define GST_IS_MATROSKA_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_DEMUX))
#define GST_IS_MATROSKA_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_DEMUX))
typedef enum {
GST_MATROSKA_DEMUX_STATE_START,
GST_MATROSKA_DEMUX_STATE_SEGMENT,
GST_MATROSKA_DEMUX_STATE_HEADER,
GST_MATROSKA_DEMUX_STATE_DATA,
GST_MATROSKA_DEMUX_STATE_SEEK
} GstMatroskaDemuxState;
typedef struct _GstMatroskaDemux {
GstElement parent;
/* < private > */
GstIndex *element_index;
gint element_index_writer_id;
/* pads */
GstPad *sinkpad;
GPtrArray *src;
GstClock *clock;
guint num_streams;
guint num_v_streams;
guint num_a_streams;
guint num_t_streams;
/* metadata */
gchar *muxing_app;
gchar *writing_app;
gint64 created;
/* state */
gboolean streaming;
GstMatroskaDemuxState state;
guint level_up;
guint64 seek_block;
gboolean seek_first;
/* did we parse cues/tracks/segmentinfo already? */
gboolean index_parsed;
gboolean tracks_parsed;
gboolean segmentinfo_parsed;
gboolean attachments_parsed;
GList *tags_parsed;
GList *seek_parsed;
/* start-of-segment */
guint64 ebml_segment_start;
/* a cue (index) table */
GArray *index;
/* timescale in the file */
guint64 time_scale;
/* keeping track of playback position */
GstSegment segment;
gboolean segment_running;
GstClockTime last_stop_end;
GstEvent *close_segment;
GstEvent *new_segment;
GstTagList *global_tags;
/* pull mode caching */
GstBuffer *cached_buffer;
/* push and pull mode */
guint64 offset;
/* some state saving */
GstClockTime cluster_time;
guint64 cluster_offset;
/* push based mode usual suspects */
GstAdapter *adapter;
/* index stuff */
gboolean seekable;
gboolean building_index;
guint64 index_offset;
GstEvent *seek_event;
gboolean need_newsegment;
/* reverse playback */
GArray *seek_index;
gint seek_entry;
gint64 from_offset;
gint64 to_offset;
} GstMatroskaDemux;
typedef struct _GstMatroskaDemuxClass {
GstElementClass parent;
} GstMatroskaDemuxClass;
gboolean gst_matroska_demux_plugin_init (GstPlugin *plugin);
G_END_DECLS
#endif /* __GST_MATROSKA_DEMUX_H__ */
|
