1 /* GStreamer Matroska muxer/demuxer
2 * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
3 * (c) 2005 Michal Benes <michal.benes@xeris.cz>
5 * matroska-mux.h: matroska file/stream muxer object types
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., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
23 #ifndef __GST_MATROSKA_MUX_H__
24 #define __GST_MATROSKA_MUX_H__
27 #include <gst/base/gstcollectpads2.h>
29 #include "ebml-write.h"
30 #include "matroska-ids.h"
34 #define GST_TYPE_MATROSKA_MUX \
35 (gst_matroska_mux_get_type ())
36 #define GST_MATROSKA_MUX(obj) \
37 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_MUX, GstMatroskaMux))
38 #define GST_MATROSKA_MUX_CLASS(klass) \
39 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_MUX, GstMatroskaMuxClass))
40 #define GST_IS_MATROSKA_MUX(obj) \
41 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_MUX))
42 #define GST_IS_MATROSKA_MUX_CLASS(klass) \
43 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_MUX))
46 GST_MATROSKA_MUX_STATE_START,
47 GST_MATROSKA_MUX_STATE_HEADER,
48 GST_MATROSKA_MUX_STATE_DATA,
49 } GstMatroskaMuxState;
51 typedef struct _GstMatroskaMetaSeekIndex {
54 } GstMatroskaMetaSeekIndex;
56 /* all information needed for one matroska stream */
59 GstCollectData2 collect; /* we extend the CollectData */
60 GstMatroskaTrackContext *track;
63 GstClockTime start_ts;
64 GstClockTime end_ts; /* last timestamp + (if available) duration */
65 guint64 default_duration_scaled;
70 typedef struct _GstMatroskaMux {
77 GstCollectPads2 *collect;
78 GstEbmlWrite *ebml_write;
81 num_v_streams, num_a_streams, num_t_streams;
83 /* Application name (for the writing application header element) */
89 /* DocType version. */
90 guint doctype_version;
93 GstMatroskaMuxState state;
95 /* a cue (index) table */
96 GstMatroskaIndex *index;
98 GstClockTimeDiff min_index_interval;
101 /* timescale in the file */
103 /* based on timescale, limit of nanoseconds you can have in a cluster */
104 guint64 max_cluster_duration;
106 /* length, position (time, ns) */
109 /* byte-positions of master-elements (for replacing contents) */
119 guint64 segment_master;
121 /* current cluster */
127 /* GstForceKeyUnit event */
128 GstEvent *force_key_unit_event;
131 typedef struct _GstMatroskaMuxClass {
132 GstElementClass parent;
133 } GstMatroskaMuxClass;
135 GType gst_matroska_mux_get_type (void);
139 #endif /* __GST_MATROSKA_MUX_H__ */