/* GStreamer Matroska muxer/demuxer
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ * (c) 2011 Debarshi Ray <rishi@gnu.org>
*
* matroska-demux.h: matroska file/stream demuxer definition
*
*
* 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.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
#ifndef __GST_MATROSKA_DEMUX_H__
#define __GST_MATROSKA_DEMUX_H__
#include <gst/gst.h>
-#include <gst/base/gstadapter.h>
+#include <gst/base/gstflowcombiner.h>
#include "ebml-read.h"
#include "matroska-ids.h"
+#include "matroska-read-common.h"
G_BEGIN_DECLS
#define GST_IS_MATROSKA_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_DEMUX))
-typedef enum {
- GST_MATROSKA_DEMUX_STATE_START,
- GST_MATROSKA_DEMUX_STATE_HEADER,
- GST_MATROSKA_DEMUX_STATE_DATA
-} GstMatroskaDemuxState;
-
typedef struct _GstMatroskaDemux {
- GstEbmlRead parent;
+ GstElement parent;
/* < private > */
- GstIndex *element_index;
- gint element_index_writer_id;
+ GstMatroskaReadCommon common;
/* pads */
- GstPad *sinkpad;
- GPtrArray *src;
GstClock *clock;
- guint num_streams;
+ gboolean have_nonintraonly_v_streams;
guint num_v_streams;
guint num_a_streams;
guint num_t_streams;
- /* metadata */
- gchar *muxing_app;
- gchar *writing_app;
- gint64 created;
+ guint group_id;
+ gboolean have_group_id;
+
+ GstFlowCombiner *flowcombiner;
/* state */
- GstMatroskaDemuxState state;
- guint level_up;
+ gboolean streaming;
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;
-
- /* start-of-segment */
- guint64 ebml_segment_start;
-
- /* a cue (index) table */
- GArray *index;
+ GList *seek_parsed;
- /* timescale in the file */
- guint64 time_scale;
+ /* cluster positions (optional) */
+ GArray *clusters;
/* keeping track of playback position */
- GstSegment segment;
- gboolean segment_running;
GstClockTime last_stop_end;
- gint64 duration;
+ GstClockTime stream_start_time;
- GstEvent *close_segment;
+ /* Stop time for reverse playback */
+ GstClockTime to_time;
GstEvent *new_segment;
- GstTagList *global_tags;
- /* push based mode usual suspects */
- guint64 offset;
- GstAdapter *adapter;
/* some state saving */
GstClockTime cluster_time;
guint64 cluster_offset;
+ guint64 cluster_prevsize; /* 0 if unknown */
+ guint64 first_cluster_offset;
+ guint64 next_cluster_offset;
+ GstClockTime requested_seek_time;
+ guint64 seek_offset;
+
+ /* alternative duration; optionally obtained from last cluster */
+ guint64 last_cluster_offset;
+ GstClockTime stream_last_time;
+
+ /* index stuff */
+ gboolean seekable;
+ gboolean building_index;
+ guint64 index_offset;
+ GstEvent *seek_event;
+ GstEvent *deferred_seek_event;
+ GstPad *deferred_seek_pad;
+ gboolean need_segment;
+ guint32 segment_seqnum;
+
+ /* reverse playback */
+ GArray *seek_index;
+ gint seek_entry;
+
+ gboolean seen_cluster_prevsize; /* We track this because the
+ * first cluster won't have
+ * this set, so we can't just
+ * check cluster_prevsize to
+ * determine if it's there
+ * or not. We assume if one
+ * cluster has it, all but
+ * the first will have it. */
+
+ guint max_backtrack_distance; /* in seconds (0 = don't backtrack) */
+
+ /* gap handling */
+ guint64 max_gap_time;
+
+ /* for non-finalized files, with invalid segment duration */
+ gboolean invalid_duration;
+
+ /* Cached upstream length (default G_MAXUINT64) */
+ guint64 cached_length;
} GstMatroskaDemux;
typedef struct _GstMatroskaDemuxClass {
- GstEbmlReadClass parent;
+ GstElementClass parent;
} GstMatroskaDemuxClass;
gboolean gst_matroska_demux_plugin_init (GstPlugin *plugin);