Merge remote-tracking branch 'origin/master' into 0.11
[platform/upstream/gst-plugins-good.git] / gst / matroska / matroska-demux.h
1 /* GStreamer Matroska muxer/demuxer
2  * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
3  * (c) 2011 Debarshi Ray <rishi@gnu.org>
4  *
5  * matroska-demux.h: matroska file/stream demuxer definition
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public
18  * License along with this library; if not, write to the
19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20  * Boston, MA 02111-1307, USA.
21  */
22
23 #ifndef __GST_MATROSKA_DEMUX_H__
24 #define __GST_MATROSKA_DEMUX_H__
25
26 #include <gst/gst.h>
27
28 #include "ebml-read.h"
29 #include "matroska-ids.h"
30 #include "matroska-read-common.h"
31
32 G_BEGIN_DECLS
33
34 #define GST_TYPE_MATROSKA_DEMUX \
35   (gst_matroska_demux_get_type ())
36 #define GST_MATROSKA_DEMUX(obj) \
37   (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemux))
38 #define GST_MATROSKA_DEMUX_CLASS(klass) \
39   (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemuxClass))
40 #define GST_IS_MATROSKA_DEMUX(obj) \
41   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_DEMUX))
42 #define GST_IS_MATROSKA_DEMUX_CLASS(klass) \
43   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_DEMUX))
44
45 typedef struct _GstMatroskaDemux {
46   GstElement              parent;
47
48   /* < private > */
49
50   GstMatroskaReadCommon    common;
51
52   /* pads */
53   GstClock                *clock;
54   guint                    num_v_streams;
55   guint                    num_a_streams;
56   guint                    num_t_streams;
57
58   /* state */
59   gboolean                 streaming;
60   guint                    level_up;
61   guint64                  seek_block;
62   gboolean                 seek_first;
63
64   /* did we parse cues/tracks/segmentinfo already? */
65   gboolean                 tracks_parsed;
66   GList                   *seek_parsed;
67
68   /* cluster positions (optional) */
69   GArray                  *clusters;
70
71   /* keeping track of playback position */
72   gboolean                 segment_running;
73   GstClockTime             last_stop_end;
74   GstClockTime             stream_start_time;
75
76   GstEvent                *close_segment;
77   GstEvent                *new_segment;
78
79   /* some state saving */
80   GstClockTime             cluster_time;
81   guint64                  cluster_offset;
82   guint64                  first_cluster_offset;
83   guint64                  next_cluster_offset;
84
85   /* index stuff */
86   gboolean                 seekable;
87   gboolean                 building_index;
88   guint64                  index_offset;
89   GstEvent                *seek_event;
90   gboolean                 need_segment;
91
92   /* reverse playback */
93   GArray                  *seek_index;
94   gint                     seek_entry;
95
96   /* gap handling */
97   guint64                  max_gap_time;
98 } GstMatroskaDemux;
99
100 typedef struct _GstMatroskaDemuxClass {
101   GstElementClass parent;
102 } GstMatroskaDemuxClass;
103
104 gboolean gst_matroska_demux_plugin_init (GstPlugin *plugin);
105
106 G_END_DECLS
107
108 #endif /* __GST_MATROSKA_DEMUX_H__ */