mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 18:51:11 +00:00
146 lines
4.4 KiB
C
146 lines
4.4 KiB
C
/* GStreamer Matroska muxer/demuxer
|
|
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
*
|
|
* matroska-parse.h: matroska file/stream parseer 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_PARSE_H__
|
|
#define __GST_MATROSKA_PARSE_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstadapter.h>
|
|
|
|
#include "ebml-read.h"
|
|
#include "matroska-ids.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_MATROSKA_PARSE \
|
|
(gst_matroska_parse_get_type ())
|
|
#define GST_MATROSKA_PARSE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_PARSE, GstMatroskaParse))
|
|
#define GST_MATROSKA_PARSE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_PARSE, GstMatroskaParseClass))
|
|
#define GST_IS_MATROSKA_PARSE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_PARSE))
|
|
#define GST_IS_MATROSKA_PARSE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_PARSE))
|
|
|
|
typedef enum {
|
|
GST_MATROSKA_PARSE_STATE_START,
|
|
GST_MATROSKA_PARSE_STATE_SEGMENT,
|
|
GST_MATROSKA_PARSE_STATE_HEADER,
|
|
GST_MATROSKA_PARSE_STATE_DATA,
|
|
GST_MATROSKA_PARSE_STATE_SEEK,
|
|
GST_MATROSKA_PARSE_STATE_SCANNING
|
|
} GstMatroskaParseState;
|
|
|
|
typedef struct _GstMatroskaParse {
|
|
GstElement parent;
|
|
|
|
/* < private > */
|
|
|
|
GstIndex *element_index;
|
|
gint element_index_writer_id;
|
|
|
|
/* pads */
|
|
GstPad *sinkpad;
|
|
GstPad *srcpad;
|
|
GPtrArray *src;
|
|
GstClock *clock;
|
|
guint num_streams;
|
|
guint num_v_streams;
|
|
guint num_a_streams;
|
|
guint num_t_streams;
|
|
|
|
GstBuffer *streamheader;
|
|
gboolean pushed_headers;
|
|
GstClockTime last_timestamp;
|
|
|
|
/* metadata */
|
|
gchar *muxing_app;
|
|
gchar *writing_app;
|
|
gint64 created;
|
|
|
|
/* state */
|
|
//gboolean streaming;
|
|
GstMatroskaParseState state;
|
|
guint level_up;
|
|
guint64 seek_block;
|
|
gboolean seek_first;
|
|
|
|
/* did we parse cues/tracks/segmentinfo already? */
|
|
gboolean index_parsed;
|
|
gboolean tracks_parsed;
|
|
gboolean segmentinfo_parsed;
|
|
gboolean attachments_parsed;
|
|
GList *tags_parsed;
|
|
GList *seek_parsed;
|
|
|
|
/* start-of-segment */
|
|
guint64 ebml_segment_start;
|
|
|
|
/* a cue (index) table */
|
|
GArray *index;
|
|
|
|
/* timescale in the file */
|
|
guint64 time_scale;
|
|
|
|
/* keeping track of playback position */
|
|
GstSegment segment;
|
|
gboolean segment_running;
|
|
GstClockTime last_stop_end;
|
|
|
|
GstEvent *close_segment;
|
|
GstEvent *new_segment;
|
|
GstTagList *global_tags;
|
|
|
|
/* pull mode caching */
|
|
GstBuffer *cached_buffer;
|
|
|
|
/* push and pull mode */
|
|
guint64 offset;
|
|
/* some state saving */
|
|
GstClockTime cluster_time;
|
|
guint64 cluster_offset;
|
|
guint64 first_cluster_offset;
|
|
guint64 next_cluster_offset;
|
|
|
|
/* push based mode usual suspects */
|
|
GstAdapter *adapter;
|
|
/* index stuff */
|
|
gboolean seekable;
|
|
gboolean building_index;
|
|
guint64 index_offset;
|
|
GstEvent *seek_event;
|
|
gboolean need_newsegment;
|
|
|
|
/* reverse playback */
|
|
GArray *seek_index;
|
|
gint seek_entry;
|
|
} GstMatroskaParse;
|
|
|
|
typedef struct _GstMatroskaParseClass {
|
|
GstElementClass parent;
|
|
} GstMatroskaParseClass;
|
|
|
|
gboolean gst_matroska_parse_plugin_init (GstPlugin *plugin);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_MATROSKA_PARSE_H__ */
|