gst/matroska/matroska-demux.h

   1 /* GStreamer Matroska muxer/demuxer
   2  * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
   3  *
   4  * matroska-demux.h: matroska file/stream demuxer definition
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef __GST_MATROSKA_DEMUX_H__
  23 #define __GST_MATROSKA_DEMUX_H__
  24
  25 #include <gst/gst.h>
  26
  27 #include "ebml-read.h"
  28 #include "matroska-ids.h"
  29
  30 G_BEGIN_DECLS
  31
  32 #define GST_TYPE_MATROSKA_DEMUX \
  33   (gst_matroska_demux_get_type ())
  34 #define GST_MATROSKA_DEMUX(obj) \
  35   (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemux))
  36 #define GST_MATROSKA_DEMUX_CLASS(klass) \
  37   (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_DEMUX, GstMatroskaDemuxClass))
  38 #define GST_IS_MATROSKA_DEMUX(obj) \
  39   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_DEMUX))
  40 #define GST_IS_MATROSKA_DEMUX_CLASS(klass) \
  41   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_DEMUX))
  42
  43 typedef enum {
  44   GST_MATROSKA_DEMUX_STATE_START,
  45   GST_MATROSKA_DEMUX_STATE_HEADER,
  46   GST_MATROSKA_DEMUX_STATE_DATA
  47 } GstMatroskaDemuxState;
  48
  49 typedef struct _GstMatroskaDemux {
  50   GstEbmlRead              parent;
  51
  52   /* pads */
  53   GstPad                  *sinkpad;
  54   GPtrArray               *src;
  55   GstClock                *clock;
  56   guint                    num_streams;
  57   guint                    num_v_streams;
  58   guint                    num_a_streams;
  59   guint                    num_t_streams;
  60
  61   /* metadata */
  62   gchar                   *muxing_app;
  63   gchar                   *writing_app;
  64   gint64                   created;
  65
  66   /* state */
  67   GstMatroskaDemuxState    state;
  68   guint                    level_up;
  69
  70   /* did we parse cues/tracks/segmentinfo already? */
  71   gboolean                 index_parsed;
  72   gboolean                 tracks_parsed;
  73   gboolean                 segmentinfo_parsed;
  74   gboolean                 attachments_parsed;
  75   GList                   *tags_parsed;
  76
  77   /* start-of-segment */
  78   guint64                  ebml_segment_start;
  79
  80   /* a cue (index) table */
  81   GArray                  *index;
  82
  83   /* timescale in the file */
  84   guint64                  time_scale;
  85
  86   /* keeping track of playback position */
  87   GstSegment               segment;
  88   gboolean                 segment_running;
  89   gint64                   duration;
  90
  91   GstEvent                *close_segment;
  92   GstEvent                *new_segment;
  93 } GstMatroskaDemux;
  94
  95 typedef struct _GstMatroskaDemuxClass {
  96   GstEbmlReadClass parent;
  97 } GstMatroskaDemuxClass;
  98
  99 gboolean gst_matroska_demux_plugin_init (GstPlugin *plugin);
 100
 101 G_END_DECLS
 102
 103 #endif /* __GST_MATROSKA_DEMUX_H__ */