gstreamer/gst/matroska/matroska-demux.h

109 lines
3.1 KiB
C
Raw Normal View History

/* 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/bytestream/bytestream.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, GstMatroskaDemux))
#define GST_IS_MATROSKA_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_DEMUX))
#define GST_IS_MATROSKA_DEMUX_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_DEMUX))
#define GST_MATROSKA_DEMUX_MAX_STREAMS 64
typedef enum {
GST_MATROSKA_DEMUX_STATE_START,
GST_MATROSKA_DEMUX_STATE_HEADER,
GST_MATROSKA_DEMUX_STATE_DATA
} GstMatroskaDemuxState;
typedef struct _GstMatroskaDemuxIndex {
guint64 pos; /* of the corresponding *cluster*! */
guint16 track; /* reference to 'num' */
guint64 time; /* in nanoseconds */
} GstMatroskaDemuxIndex;
typedef struct _GstMatroskaDemux {
GstEbmlRead parent;
/* pads */
GstPad *sinkpad;
GstMatroskaTrackContext *src[GST_MATROSKA_DEMUX_MAX_STREAMS];
guint num_streams,
num_v_streams, num_a_streams, num_t_streams;
GstClock *clock;
/* metadata */
gchar *muxing_app, *writing_app;
gint64 created;
/* state */
GstMatroskaDemuxState state;
guint level_up;
/* did we parse metadata/cues already? */
gboolean metadata_parsed,
index_parsed;
/* start-of-segment */
guint64 segment_start;
/* a cue (index) table */
GstMatroskaIndex *index;
guint num_indexes;
/* timescale in the file */
guint64 time_scale;
/* length, position (time, ns) */
guint64 duration,
pos;
/* a possible pending seek */
guint64 seek_pending;
} GstMatroskaDemux;
typedef struct _GstMatroskaDemuxClass {
GstEbmlReadClass parent;
} GstMatroskaDemuxClass;
GType gst_matroska_demux_get_type (void);
gboolean gst_matroska_demux_plugin_init (GstPlugin *plugin);
G_END_DECLS
#endif /* __GST_MATROSKA_DEMUX_H__ */