/* GStreamer Matroska muxer/demuxer * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> * * 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 <gst/base/gstadapter.h> #include "ebml-read.h" #include "matroska-ids.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 enum { GST_MATROSKA_DEMUX_STATE_START, GST_MATROSKA_DEMUX_STATE_SEGMENT, GST_MATROSKA_DEMUX_STATE_HEADER, GST_MATROSKA_DEMUX_STATE_DATA, GST_MATROSKA_DEMUX_STATE_SEEK, GST_MATROSKA_DEMUX_STATE_SCANNING } GstMatroskaDemuxState; typedef struct _GstMatroskaDemux { GstElement parent; /* < private > */ GstIndex *element_index; gint element_index_writer_id; /* pads */ GstPad *sinkpad; GPtrArray *src; GstClock *clock; guint num_streams; guint num_v_streams; guint num_a_streams; guint num_t_streams; /* metadata */ gchar *muxing_app; gchar *writing_app; gint64 created; /* state */ gboolean streaming; GstMatroskaDemuxState 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; /* cluster positions (optional) */ GArray *clusters; /* 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; } GstMatroskaDemux; typedef struct _GstMatroskaDemuxClass { GstElementClass parent; } GstMatroskaDemuxClass; gboolean gst_matroska_demux_plugin_init (GstPlugin *plugin); G_END_DECLS #endif /* __GST_MATROSKA_DEMUX_H__ */