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/* 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
*
* 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 "ebml-read.h"
#include "matroska-ids.h"
#include "matroska-read-common.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, GstMatroskaDemuxClass))
#define GST_IS_MATROSKA_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_DEMUX))
#define GST_IS_MATROSKA_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_DEMUX))
typedef struct _GstMatroskaDemux {
GstElement parent;
/* < private > */
GstMatroskaReadCommon common;
/* pads */
GstClock *clock;
guint num_v_streams;
guint num_a_streams;
guint num_t_streams;
/* state */
gboolean streaming;
guint level_up;
guint64 seek_block;
gboolean seek_first;
/* did we parse cues/tracks/segmentinfo already? */
gboolean tracks_parsed;
GList *seek_parsed;
/* cluster positions (optional) */
GArray *clusters;
/* keeping track of playback position */
gboolean segment_running;
GstClockTime last_stop_end;
GstClockTime stream_start_time;
GstEvent *close_segment;
GstEvent *new_segment;
/* some state saving */
GstClockTime cluster_time;
guint64 cluster_offset;
guint64 first_cluster_offset;
guint64 next_cluster_offset;
#ifdef MKV_DEMUX_MODIFICATION
gint64 duration; /* need to check */
GstClockTime time_position;
GstMatroskaTrackContext* audio_stream;
gboolean video;
gboolean found_videokeyframe;
gboolean found_audioframe;
gboolean seek_head_cluster_info_absent;
gboolean seek_head_cue_info_absent;
gboolean index_table_created;
gboolean index_table_array_creation;
gboolean first_index_table_creation;
guint32 initial_offset;
#endif
/* index stuff */
gboolean seekable;
gboolean building_index;
guint64 index_offset;
GstEvent *seek_event;
gboolean need_newsegment;
/* reverse playback */
GArray *seek_index;
gint seek_entry;
#ifdef MKV_DEMUX_MODIFICATION
GstClockTime next_key_cluster_time;
guint64 next_key_frame_offset;
GstClockTime current_ts;
GstClockTime current_fwd_ts;
GstClockTime next_keyframe_ts;
GstClockTime prev_keyframe_ts;
gboolean is_eos_blockgroup;
gboolean is_eos_simpleblock;
gint no_video_frame;
gboolean video_keyframe_pushed;
GList* Subtitle_language_list;
#endif
/* gap handling */
guint64 max_gap_time;
/* for non-finalized files, with invalid segment duration */
gboolean invalid_duration;
} GstMatroskaDemux;
typedef struct _GstMatroskaDemuxClass {
GstElementClass parent;
} GstMatroskaDemuxClass;
gboolean gst_matroska_demux_plugin_init (GstPlugin *plugin);
G_END_DECLS
#endif /* __GST_MATROSKA_DEMUX_H__ */
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