1 /* GStreamer Matroska muxer/demuxer
2 * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
4 * matroska-demux.h: matroska file/stream demuxer definition
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
22 #ifndef __GST_MATROSKA_DEMUX_H__
23 #define __GST_MATROSKA_DEMUX_H__
27 #include "ebml-read.h"
28 #include "matroska-ids.h"
32 #define GST_TYPE_MATROSKA_DEMUX \
33 (gst_matroska_demux_get_type ())
34 #define GST_MATROSKA_DEMUX(obj) \
35 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemux))
36 #define GST_MATROSKA_DEMUX_CLASS(klass) \
37 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemuxClass))
38 #define GST_IS_MATROSKA_DEMUX(obj) \
39 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_DEMUX))
40 #define GST_IS_MATROSKA_DEMUX_CLASS(klass) \
41 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_DEMUX))
43 /* The spec says that more than 127 stream is discouraged so
44 * take this as a limit for now */
45 #define GST_MATROSKA_DEMUX_MAX_STREAMS 127
48 GST_MATROSKA_DEMUX_STATE_START,
49 GST_MATROSKA_DEMUX_STATE_HEADER,
50 GST_MATROSKA_DEMUX_STATE_DATA
51 } GstMatroskaDemuxState;
53 typedef struct _GstMatroskaDemuxIndex {
54 guint64 pos; /* of the corresponding *cluster*! */
55 guint16 track; /* reference to 'num' */
56 guint64 time; /* in nanoseconds */
57 } GstMatroskaDemuxIndex;
59 typedef struct _GstMatroskaDemux {
64 GstMatroskaTrackContext *src[GST_MATROSKA_DEMUX_MAX_STREAMS];
77 GstMatroskaDemuxState state;
80 /* did we parse cues/tracks/segmentinfo already? */
81 gboolean index_parsed;
82 gboolean tracks_parsed;
83 gboolean segmentinfo_parsed;
84 gboolean attachments_parsed;
87 /* start-of-segment */
88 guint64 ebml_segment_start;
90 /* a cue (index) table */
93 /* timescale in the file */
96 /* keeping track of playback position */
98 gboolean segment_running;
102 typedef struct _GstMatroskaDemuxClass {
103 GstEbmlReadClass parent;
104 } GstMatroskaDemuxClass;
106 gboolean gst_matroska_demux_plugin_init (GstPlugin *plugin);
110 #endif /* __GST_MATROSKA_DEMUX_H__ */