mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 20:51:13 +00:00
17240ac9ec
Support for TAG_IMAGE and TAG_ATTACHMENT is commented out; this requires caps on buffers which is gone from 0.11. Segment handling in the demuxer is a bit complex; I added some FIXME comments in places where I'm not yet sure if I ported correctly.
145 lines
4 KiB
C
145 lines
4 KiB
C
/* GStreamer Matroska muxer/demuxer
|
|
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
* (c) 2005 Michal Benes <michal.benes@xeris.cz>
|
|
*
|
|
* matroska-mux.h: matroska file/stream muxer object types
|
|
*
|
|
* 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_MUX_H__
|
|
#define __GST_MATROSKA_MUX_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstcollectpads.h>
|
|
|
|
#include "ebml-write.h"
|
|
#include "matroska-ids.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_MATROSKA_MUX \
|
|
(gst_matroska_mux_get_type ())
|
|
#define GST_MATROSKA_MUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_MUX, GstMatroskaMux))
|
|
#define GST_MATROSKA_MUX_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_MUX, GstMatroskaMuxClass))
|
|
#define GST_IS_MATROSKA_MUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_MUX))
|
|
#define GST_IS_MATROSKA_MUX_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_MUX))
|
|
|
|
typedef enum {
|
|
GST_MATROSKA_MUX_STATE_START,
|
|
GST_MATROSKA_MUX_STATE_HEADER,
|
|
GST_MATROSKA_MUX_STATE_DATA,
|
|
} GstMatroskaMuxState;
|
|
|
|
typedef struct _GstMatroskaMetaSeekIndex {
|
|
guint32 id;
|
|
guint64 pos;
|
|
} GstMatroskaMetaSeekIndex;
|
|
|
|
typedef gboolean (*GstMatroskaCapsFunc) (GstPad *pad, GstCaps *caps);
|
|
|
|
/* all information needed for one matroska stream */
|
|
typedef struct
|
|
{
|
|
GstCollectData collect; /* we extend the CollectData */
|
|
GstMatroskaCapsFunc capsfunc;
|
|
GstMatroskaTrackContext *track;
|
|
|
|
GstBuffer *buffer; /* the queued buffer for this pad */
|
|
|
|
guint64 duration;
|
|
GstClockTime start_ts;
|
|
GstClockTime end_ts; /* last timestamp + (if available) duration */
|
|
guint64 default_duration_scaled;
|
|
}
|
|
GstMatroskaPad;
|
|
|
|
|
|
typedef struct _GstMatroskaMux {
|
|
GstElement element;
|
|
|
|
/* < private > */
|
|
|
|
/* pads */
|
|
GstPad *srcpad;
|
|
GstCollectPads *collect;
|
|
GstPadEventFunction collect_event;
|
|
GstEbmlWrite *ebml_write;
|
|
|
|
guint num_streams,
|
|
num_v_streams, num_a_streams, num_t_streams;
|
|
|
|
/* Application name (for the writing application header element) */
|
|
gchar *writing_app;
|
|
|
|
/* EBML DocType. */
|
|
const gchar *doctype;
|
|
|
|
/* DocType version. */
|
|
guint doctype_version;
|
|
|
|
/* state */
|
|
GstMatroskaMuxState state;
|
|
|
|
/* a cue (index) table */
|
|
GstMatroskaIndex *index;
|
|
guint num_indexes;
|
|
GstClockTimeDiff min_index_interval;
|
|
gboolean streamable;
|
|
|
|
/* timescale in the file */
|
|
guint64 time_scale;
|
|
/* based on timescale, limit of nanoseconds you can have in a cluster */
|
|
guint64 max_cluster_duration;
|
|
|
|
/* length, position (time, ns) */
|
|
guint64 duration;
|
|
|
|
/* byte-positions of master-elements (for replacing contents) */
|
|
guint64 segment_pos,
|
|
seekhead_pos,
|
|
cues_pos,
|
|
tags_pos,
|
|
info_pos,
|
|
tracks_pos,
|
|
duration_pos,
|
|
meta_pos;
|
|
guint64 segment_master;
|
|
|
|
/* current cluster */
|
|
guint64 cluster,
|
|
cluster_time,
|
|
cluster_pos,
|
|
prev_cluster_size;
|
|
|
|
/* GstForceKeyUnit event */
|
|
GstEvent *force_key_unit_event;
|
|
|
|
} GstMatroskaMux;
|
|
|
|
typedef struct _GstMatroskaMuxClass {
|
|
GstElementClass parent;
|
|
} GstMatroskaMuxClass;
|
|
|
|
GType gst_matroska_mux_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_MATROSKA_MUX_H__ */
|