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108 lines
3 KiB
C
108 lines
3 KiB
C
/* GStreamer Matroska muxer/demuxer
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* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* matroska-demux.h: matroska file/stream demuxer definition
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_MATROSKA_DEMUX_H__
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#define __GST_MATROSKA_DEMUX_H__
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#include <gst/gst.h>
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#include <gst/bytestream/bytestream.h>
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#include "ebml-read.h"
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#include "matroska-ids.h"
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G_BEGIN_DECLS
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#define GST_TYPE_MATROSKA_DEMUX \
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(gst_matroska_demux_get_type ())
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#define GST_MATROSKA_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemux))
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#define GST_MATROSKA_DEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemux))
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#define GST_IS_MATROSKA_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_DEMUX))
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#define GST_IS_MATROSKA_DEMUX_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_DEMUX))
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#define GST_MATROSKA_DEMUX_MAX_STREAMS 64
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typedef enum
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{
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GST_MATROSKA_DEMUX_STATE_START,
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GST_MATROSKA_DEMUX_STATE_HEADER,
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GST_MATROSKA_DEMUX_STATE_DATA
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} GstMatroskaDemuxState;
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typedef struct _GstMatroskaDemuxIndex
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{
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guint64 pos; /* of the corresponding *cluster*! */
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guint16 track; /* reference to 'num' */
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guint64 time; /* in nanoseconds */
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} GstMatroskaDemuxIndex;
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typedef struct _GstMatroskaDemux
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{
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GstEbmlRead parent;
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/* pads */
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GstPad *sinkpad;
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GstMatroskaTrackContext *src[GST_MATROSKA_DEMUX_MAX_STREAMS];
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guint num_streams, num_v_streams, num_a_streams, num_t_streams;
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GstClock *clock;
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/* metadata */
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GstCaps *metadata;
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GstCaps *streaminfo;
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gchar *muxing_app, *writing_app;
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gint64 created;
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/* state */
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GstMatroskaDemuxState state;
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guint level_up;
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/* did we parse metadata/cues already? */
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gboolean metadata_parsed, index_parsed;
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/* start-of-segment */
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guint64 segment_start;
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/* a cue (index) table */
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GstMatroskaIndex *index;
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guint num_indexes;
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/* timescale in the file */
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guint64 time_scale;
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/* length, position (time, ns) */
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guint64 duration, pos;
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/* a possible pending seek */
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guint64 seek_pending;
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} GstMatroskaDemux;
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typedef struct _GstMatroskaDemuxClass
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{
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GstEbmlReadClass parent;
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} GstMatroskaDemuxClass;
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GType gst_matroska_demux_get_type (void);
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gboolean gst_matroska_demux_plugin_init (GstPlugin * plugin);
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G_END_DECLS
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#endif /* __GST_MATROSKA_DEMUX_H__ */
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