1 /* GStreamer Matroska muxer/demuxer
2 * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
3 * (c) 2011 Debarshi Ray <rishi@gnu.org>
5 * matroska-demux.h: matroska file/stream demuxer definition
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.
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.
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., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
23 #ifndef __GST_MATROSKA_DEMUX_H__
24 #define __GST_MATROSKA_DEMUX_H__
27 #include <gst/base/gstflowcombiner.h>
29 #include "ebml-read.h"
30 #include "matroska-ids.h"
31 #include "matroska-read-common.h"
35 #define GST_TYPE_MATROSKA_DEMUX \
36 (gst_matroska_demux_get_type ())
37 #define GST_MATROSKA_DEMUX(obj) \
38 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemux))
39 #define GST_MATROSKA_DEMUX_CLASS(klass) \
40 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemuxClass))
41 #define GST_IS_MATROSKA_DEMUX(obj) \
42 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_DEMUX))
43 #define GST_IS_MATROSKA_DEMUX_CLASS(klass) \
44 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_DEMUX))
46 typedef struct _GstMatroskaDemux {
51 GstMatroskaReadCommon common;
60 gboolean have_group_id;
62 GstFlowCombiner *flowcombiner;
69 /* did we parse cues/tracks/segmentinfo already? */
70 gboolean tracks_parsed;
73 /* cluster positions (optional) */
76 /* keeping track of playback position */
77 GstClockTime last_stop_end;
78 GstClockTime stream_start_time;
80 /* Stop time for reverse playback */
82 GstEvent *new_segment;
84 /* some state saving */
85 GstClockTime cluster_time;
86 guint64 cluster_offset;
87 guint64 first_cluster_offset;
88 guint64 next_cluster_offset;
89 GstClockTime requested_seek_time;
92 /* alternative duration; optionally obtained from last cluster */
93 guint64 last_cluster_offset;
94 GstClockTime stream_last_time;
98 gboolean building_index;
100 GstEvent *seek_event;
101 gboolean need_segment;
102 guint32 segment_seqnum;
104 /* reverse playback */
109 guint64 max_gap_time;
111 /* for non-finalized files, with invalid segment duration */
112 gboolean invalid_duration;
114 /* Cached upstream length (default G_MAXUINT64) */
115 guint64 cached_length;
118 typedef struct _GstMatroskaDemuxClass {
119 GstElementClass parent;
120 } GstMatroskaDemuxClass;
122 gboolean gst_matroska_demux_plugin_init (GstPlugin *plugin);
126 #endif /* __GST_MATROSKA_DEMUX_H__ */