matroskaparse: New element

Copied from demux.  Duplicates much code, also some dead code
remaining.

gst/matroska/Makefile.am

@@ -5,6 +5,7 @@ libgstmatroska_la_SOURCES = \
 	ebml-write.c \
 	matroska.c \
 	matroska-demux.c \
+	matroska-parse.c \
 	matroska-ids.c \
 	matroska-mux.c \
 	webm-mux.c \
@@ -15,6 +16,7 @@ noinst_HEADERS = \
 	ebml-read.h \
 	ebml-write.h \
 	matroska-demux.h \
+	matroska-parse.h \
 	matroska-ids.h \
 	matroska-mux.h \
 	webm-mux.h \

gst/matroska/matroska-parse.h

@@ -0,0 +1,146 @@
+/* GStreamer Matroska muxer/demuxer
+ * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * matroska-parse.h: matroska file/stream parseer 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_PARSE_H__
+#define __GST_MATROSKA_PARSE_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_PARSE \
+  (gst_matroska_parse_get_type ())
+#define GST_MATROSKA_PARSE(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_PARSE, GstMatroskaParse))
+#define GST_MATROSKA_PARSE_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_PARSE, GstMatroskaParseClass))
+#define GST_IS_MATROSKA_PARSE(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_PARSE))
+#define GST_IS_MATROSKA_PARSE_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_PARSE))
+
+typedef enum {
+  GST_MATROSKA_PARSE_STATE_START,
+  GST_MATROSKA_PARSE_STATE_SEGMENT,
+  GST_MATROSKA_PARSE_STATE_HEADER,
+  GST_MATROSKA_PARSE_STATE_DATA,
+  GST_MATROSKA_PARSE_STATE_SEEK,
+  GST_MATROSKA_PARSE_STATE_SCANNING
+} GstMatroskaParseState;
+
+typedef struct _GstMatroskaParse {
+  GstElement              parent;
+
+  /* < private > */
+
+  GstIndex                *element_index;
+  gint                     element_index_writer_id;
+
+  /* pads */
+  GstPad                  *sinkpad;
+  GstPad                  *srcpad;
+  GPtrArray               *src;
+  GstClock                *clock;
+  guint                    num_streams;
+  guint                    num_v_streams;
+  guint                    num_a_streams;
+  guint                    num_t_streams;
+
+  GstBuffer *streamheader;
+  gboolean pushed_headers;
+  GstClockTime last_timestamp;
+
+  /* metadata */
+  gchar                   *muxing_app;
+  gchar                   *writing_app;
+  gint64                   created;
+
+  /* state */
+  //gboolean                 streaming;
+  GstMatroskaParseState    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;
+
+  /* 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;
+} GstMatroskaParse;
+
+typedef struct _GstMatroskaParseClass {
+  GstElementClass parent;
+} GstMatroskaParseClass;
+
+gboolean gst_matroska_parse_plugin_init (GstPlugin *plugin);
+
+G_END_DECLS
+
+#endif /* __GST_MATROSKA_PARSE_H__ */

gst/matroska/matroska.c

@@ -24,6 +24,7 @@
 #endif
 
 #include "matroska-demux.h"
+#include "matroska-parse.h"
 #include "matroska-mux.h"
 #include "matroska-ids.h"
 #include "webm-mux.h"
@@ -40,6 +41,7 @@ plugin_init (GstPlugin * plugin)
   gst_matroska_register_tags ();
 
   ret = gst_matroska_demux_plugin_init (plugin);
+  ret &= gst_matroska_parse_plugin_init (plugin);
   ret &= gst_element_register (plugin, "matroskamux", GST_RANK_PRIMARY,
       GST_TYPE_MATROSKA_MUX);
   ret &= gst_element_register (plugin, "webmmux", GST_RANK_PRIMARY,