diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst/playback/gstplaybasebin.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/gst/playback/gstplaybasebin.h	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,127 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *               <2007> Wim Taymans <wim.taymans@gmail.com>
+ *
+ * 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_PLAYBASEBIN_H__
+#define __GST_PLAYBASEBIN_H__
+
+#include <gst/gst.h>
+#include "gststreaminfo.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_PLAY_BASE_BIN            (gst_play_base_bin_get_type())
+#define GST_PLAY_BASE_BIN(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PLAY_BASE_BIN,GstPlayBaseBin))
+#define GST_PLAY_BASE_BIN_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PLAY_BASE_BIN,GstPlayBaseBinClass))
+#define GST_IS_PLAY_BASE_BIN(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PLAY_BASE_BIN))
+#define GST_IS_PLAY_BASE_BIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PLAY_BASE_BIN))
+#define GST_PLAY_BASE_BIN_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PLAY_BASE_BIN, \
+                              GstPlayBaseBinClass))
+
+typedef struct _GstPlayBaseBin GstPlayBaseBin;
+typedef struct _GstPlayBaseBinClass GstPlayBaseBinClass;
+
+/* a GstPlayBaseGroup is a group of pads and streaminfo that together 
+ * make up a playable stream. A new group is created from the current 
+ * set of pads that are alive when the preroll elements are filled or 
+ * when the no-more-pads signal is fired.
+ *
+ * We have to queue the groups as they can be created while the preroll
+ * queues are still playing the old group. We monitor the EOS signals
+ * on the preroll queues and when all the streams in the current group
+ * have EOSed, we switch to the next queued group.
+ */
+typedef struct
+{
+  GstPlayBaseBin *bin;  /* ref to the owner */
+
+  gint           nstreams;
+  GList         *streaminfo;
+  GValueArray   *streaminfo_value_array;
+
+  /* contained decoded elementary streams */
+  struct {
+    gint         npads;
+    GstBin      *bin;
+    GstElement  *preroll;
+    GstElement  *selector;
+    gboolean     done;
+#define NUM_TYPES 3
+  } type[NUM_TYPES]; /* AUDIO, VIDEO, TEXT */
+} GstPlayBaseGroup;
+
+struct _GstPlayBaseBin {
+  GstPipeline    pipeline;
+        
+  /* properties */
+  guint64        queue_size;
+  guint64        queue_threshold;
+  guint64        queue_min_threshold;
+  /* connection speed in bits/sec (0 = unknown) */
+  guint          connection_speed;
+  
+
+  /* currently loaded media */
+  gint           current[NUM_TYPES];
+  gchar         *uri, *suburi;
+  gboolean       is_stream;
+  GstElement    *source;
+  GSList        *decoders;
+  GstElement    *subtitle;              /* additional filesrc ! subparse bin */
+  gboolean       subtitle_done;
+  gboolean       need_rebuild;
+
+  GSList        *subtitle_elements;     /* subtitle elements that have 'subtitle-encoding' property */
+  gchar         *subencoding;           /* encoding to propagate to the above subtitle elements     */
+  GMutex        *sub_lock;              /* protecting subtitle_elements and subencoding members     */
+
+  /* group management - using own lock */
+  GMutex        *group_lock;            /* lock and mutex to signal availability of new group */
+  GCond         *group_cond;
+  GstPlayBaseGroup *building_group;     /* the group that we are constructing */
+  GList         *queued_groups;         /* the constructed groups, head is the active one */
+
+  /* for dynamic sources */
+  guint          src_np_sig_id;		/* new-pad signal id */
+  guint          src_nmp_sig_id;        /* no-more-pads signal id */
+  gint           pending;
+};
+
+struct _GstPlayBaseBinClass {
+  GstPipelineClass parent_class;
+
+  /* virtual fuctions */
+  gboolean (*setup_output_pads) (GstPlayBaseBin *play_base_bin,
+                                 GstPlayBaseGroup *group);
+
+  void     (*set_subtitles_visible) (GstPlayBaseBin *play_base_bin,
+                                     gboolean visible);
+};
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GType gst_play_base_bin_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_PLAYBASEBIN_H__ */
+