--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/tests/examples/seek/seek.c	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,2144 @@
+/* GStreamer
+ *
+ * seek.c: seeking sample application
+ *
+ * Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
+ *               2006 Stefan Kost <ensonic@users.sf.net>
+ *
+ * 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.
+ */
+/* FIXME: remove #if 0 code
+ *
+ */
+#include <stdlib.h>
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <gst/gst.h>
+#include <string.h>
+
+GST_DEBUG_CATEGORY_STATIC (seek_debug);
+#define GST_CAT_DEFAULT (seek_debug)
+
+/* configuration */
+
+//#define SOURCE "filesrc"
+#define SOURCE "gnomevfssrc"
+
+#define ASINK "alsasink"
+//#define ASINK "osssink"
+
+#define VSINK "xvimagesink"
+//#define VSINK "sdlvideosink"
+//#define VSINK "ximagesink"
+//#define VSINK "aasink"
+//#define VSINK "cacasink"
+
+//#define UPDATE_INTERVAL 500
+//#define UPDATE_INTERVAL 100
+#define UPDATE_INTERVAL 10
+
+/* number of milliseconds to play for after a seek */
+#define SCRUB_TIME 100
+
+/* timeout for gst_element_get_state() after a seek */
+#define SEEK_TIMEOUT 40 * GST_MSECOND
+
+
+static GList *seekable_pads = NULL;
+static GList *rate_pads = NULL;
+static GList *seekable_elements = NULL;
+
+static gboolean accurate_seek = FALSE;
+static gboolean keyframe_seek = FALSE;
+static gboolean loop_seek = FALSE;
+static gboolean flush_seek = TRUE;
+static gboolean scrub = TRUE;
+static gboolean play_scrub = FALSE;
+static gdouble rate = 1.0;
+
+static GstElement *pipeline;
+static gint pipeline_type;
+static const gchar *pipeline_spec;
+static gint64 position = -1;
+static gint64 duration = -1;
+static GtkAdjustment *adjustment;
+static GtkWidget *hscale;
+static gboolean stats = FALSE;
+static gboolean elem_seek = FALSE;
+static gboolean verbose = FALSE;
+
+static GstState state = GST_STATE_NULL;
+static guint update_id = 0;
+static guint seek_timeout_id = 0;
+static gulong changed_id;
+
+static gint n_video = 0, n_audio = 0, n_text = 0;
+static gboolean need_streams = TRUE;
+static GtkWidget *video_combo, *audio_combo, *text_combo, *vis_combo;
+static GtkWidget *vis_checkbox, *video_checkbox, *audio_checkbox;
+static GtkWidget *text_checkbox, *mute_checkbox, *volume_spinbutton;
+
+/* we keep an array of the visualisation entries so that we can easily switch
+ * with the combo box index. */
+typedef struct
+{
+  GstElementFactory *factory;
+} VisEntry;
+
+static GArray *vis_entries;
+
+static void clear_streams (GstElement * pipeline);
+
+/* pipeline construction */
+
+typedef struct
+{
+  const gchar *padname;
+  GstPad *target;
+  GstElement *bin;
+}
+dyn_link;
+
+static GstElement *
+gst_element_factory_make_or_warn (gchar * type, gchar * name)
+{
+  GstElement *element = gst_element_factory_make (type, name);
+
+  if (!element) {
+    g_warning ("Failed to create element %s of type %s", name, type);
+  }
+
+  return element;
+}
+
+static void
+dynamic_link (GstPadTemplate * templ, GstPad * newpad, gpointer data)
+{
+  gchar *padname;
+  dyn_link *connect = (dyn_link *) data;
+
+  padname = gst_pad_get_name (newpad);
+
+  if (connect->padname == NULL || !strcmp (padname, connect->padname)) {
+    if (connect->bin)
+      gst_bin_add (GST_BIN (pipeline), connect->bin);
+    gst_pad_link (newpad, connect->target);
+
+    //seekable_pads = g_list_prepend (seekable_pads, newpad);
+    rate_pads = g_list_prepend (rate_pads, newpad);
+  }
+  g_free (padname);
+}
+
+static void
+setup_dynamic_link (GstElement * element, const gchar * padname,
+    GstPad * target, GstElement * bin)
+{
+  dyn_link *connect;
+
+  connect = g_new0 (dyn_link, 1);
+  connect->padname = g_strdup (padname);
+  connect->target = target;
+  connect->bin = bin;
+
+  g_signal_connect (G_OBJECT (element), "pad-added", G_CALLBACK (dynamic_link),
+      connect);
+}
+
+static GstElement *
+make_mod_pipeline (const gchar * location)
+{
+  GstElement *pipeline;
+  GstElement *src, *decoder, *audiosink;
+  GstPad *seekable;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  decoder = gst_element_factory_make_or_warn ("modplug", "decoder");
+  audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
+  //g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
+
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), decoder);
+  gst_bin_add (GST_BIN (pipeline), audiosink);
+
+  gst_element_link (src, decoder);
+  gst_element_link (decoder, audiosink);
+
+  seekable = gst_element_get_pad (decoder, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_dv_pipeline (const gchar * location)
+{
+  GstElement *pipeline;
+  GstElement *src, *demux, *decoder, *audiosink, *videosink;
+  GstElement *a_queue, *v_queue;
+  GstPad *seekable;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  demux = gst_element_factory_make_or_warn ("dvdemux", "demuxer");
+  v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
+  decoder = gst_element_factory_make_or_warn ("ffdec_dvvideo", "decoder");
+  videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
+  a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
+  audiosink = gst_element_factory_make_or_warn ("alsasink", "a_sink");
+
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), demux);
+  gst_bin_add (GST_BIN (pipeline), a_queue);
+  gst_bin_add (GST_BIN (pipeline), audiosink);
+  gst_bin_add (GST_BIN (pipeline), v_queue);
+  gst_bin_add (GST_BIN (pipeline), decoder);
+  gst_bin_add (GST_BIN (pipeline), videosink);
+
+  gst_element_link (src, demux);
+  gst_element_link (a_queue, audiosink);
+  gst_element_link (v_queue, decoder);
+  gst_element_link (decoder, videosink);
+
+  setup_dynamic_link (demux, "video", gst_element_get_pad (v_queue, "sink"),
+      NULL);
+  setup_dynamic_link (demux, "audio", gst_element_get_pad (a_queue, "sink"),
+      NULL);
+
+  seekable = gst_element_get_pad (decoder, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+
+  return pipeline;
+}
+
+static GstElement *
+make_wav_pipeline (const gchar * location)
+{
+  GstElement *pipeline;
+  GstElement *src, *decoder, *audiosink;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  decoder = gst_element_factory_make_or_warn ("wavparse", "decoder");
+  audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
+
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), decoder);
+  gst_bin_add (GST_BIN (pipeline), audiosink);
+
+  gst_element_link (src, decoder);
+
+  setup_dynamic_link (decoder, "src", gst_element_get_pad (audiosink, "sink"),
+      NULL);
+
+  seekable_elements = g_list_prepend (seekable_elements, audiosink);
+
+  /* force element seeking on this pipeline */
+  elem_seek = TRUE;
+
+  return pipeline;
+}
+
+static GstElement *
+make_flac_pipeline (const gchar * location)
+{
+  GstElement *pipeline;
+  GstElement *src, *decoder, *audiosink;
+  GstPad *seekable;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  decoder = gst_element_factory_make_or_warn ("flacdec", "decoder");
+  audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
+  g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
+
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), decoder);
+  gst_bin_add (GST_BIN (pipeline), audiosink);
+
+  gst_element_link (src, decoder);
+  gst_element_link (decoder, audiosink);
+
+  seekable = gst_element_get_pad (decoder, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_sid_pipeline (const gchar * location)
+{
+  GstElement *pipeline;
+  GstElement *src, *decoder, *audiosink;
+  GstPad *seekable;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  decoder = gst_element_factory_make_or_warn ("siddec", "decoder");
+  audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
+  //g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
+
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), decoder);
+  gst_bin_add (GST_BIN (pipeline), audiosink);
+
+  gst_element_link (src, decoder);
+  gst_element_link (decoder, audiosink);
+
+  seekable = gst_element_get_pad (decoder, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_parse_pipeline (const gchar * location)
+{
+  GstElement *pipeline;
+  GstElement *src, *parser, *fakesink;
+  GstPad *seekable;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  parser = gst_element_factory_make_or_warn ("mpegparse", "parse");
+  fakesink = gst_element_factory_make_or_warn ("fakesink", "sink");
+  g_object_set (G_OBJECT (fakesink), "silent", TRUE, NULL);
+  g_object_set (G_OBJECT (fakesink), "sync", TRUE, NULL);
+
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), parser);
+  gst_bin_add (GST_BIN (pipeline), fakesink);
+
+  gst_element_link (src, parser);
+  gst_element_link (parser, fakesink);
+
+  seekable = gst_element_get_pad (parser, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (parser, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_vorbis_pipeline (const gchar * location)
+{
+  GstElement *pipeline, *audio_bin;
+  GstElement *src, *demux, *decoder, *convert, *audiosink;
+  GstPad *pad, *seekable;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  demux = gst_element_factory_make_or_warn ("oggdemux", "demux");
+  decoder = gst_element_factory_make_or_warn ("vorbisdec", "decoder");
+  convert = gst_element_factory_make_or_warn ("audioconvert", "convert");
+  audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
+  g_object_set (G_OBJECT (audiosink), "sync", TRUE, NULL);
+
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  audio_bin = gst_bin_new ("a_decoder_bin");
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), demux);
+  gst_bin_add (GST_BIN (audio_bin), decoder);
+  gst_bin_add (GST_BIN (audio_bin), convert);
+  gst_bin_add (GST_BIN (audio_bin), audiosink);
+  gst_bin_add (GST_BIN (pipeline), audio_bin);
+
+  gst_element_link (src, demux);
+  gst_element_link (decoder, convert);
+  gst_element_link (convert, audiosink);
+
+  pad = gst_element_get_pad (decoder, "sink");
+  gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad));
+  gst_object_unref (pad);
+
+  setup_dynamic_link (demux, NULL, gst_element_get_pad (audio_bin, "sink"),
+      NULL);
+
+  seekable = gst_element_get_pad (decoder, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_theora_pipeline (const gchar * location)
+{
+  GstElement *pipeline, *video_bin;
+  GstElement *src, *demux, *decoder, *convert, *videosink;
+  GstPad *pad, *seekable;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  demux = gst_element_factory_make_or_warn ("oggdemux", "demux");
+  decoder = gst_element_factory_make_or_warn ("theoradec", "decoder");
+  convert = gst_element_factory_make_or_warn ("ffmpegcolorspace", "convert");
+  videosink = gst_element_factory_make_or_warn (VSINK, "sink");
+
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  video_bin = gst_bin_new ("v_decoder_bin");
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), demux);
+  gst_bin_add (GST_BIN (video_bin), decoder);
+  gst_bin_add (GST_BIN (video_bin), convert);
+  gst_bin_add (GST_BIN (video_bin), videosink);
+  gst_bin_add (GST_BIN (pipeline), video_bin);
+
+  gst_element_link (src, demux);
+  gst_element_link (decoder, convert);
+  gst_element_link (convert, videosink);
+
+  pad = gst_element_get_pad (decoder, "sink");
+  gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad));
+  gst_object_unref (pad);
+
+  setup_dynamic_link (demux, NULL, gst_element_get_pad (video_bin, "sink"),
+      NULL);
+
+  seekable = gst_element_get_pad (decoder, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_vorbis_theora_pipeline (const gchar * location)
+{
+  GstElement *pipeline, *audio_bin, *video_bin;
+  GstElement *src, *demux, *a_decoder, *a_convert, *v_decoder, *v_convert;
+  GstElement *audiosink, *videosink;
+  GstElement *a_queue, *v_queue, *v_scale;
+  GstPad *seekable;
+  GstPad *pad;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  demux = gst_element_factory_make_or_warn ("oggdemux", "demux");
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), demux);
+  gst_element_link (src, demux);
+
+  audio_bin = gst_bin_new ("a_decoder_bin");
+  a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
+  a_decoder = gst_element_factory_make_or_warn ("vorbisdec", "a_dec");
+  a_convert = gst_element_factory_make_or_warn ("audioconvert", "a_convert");
+  audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink");
+
+  gst_bin_add (GST_BIN (pipeline), audio_bin);
+
+  gst_bin_add (GST_BIN (audio_bin), a_queue);
+  gst_bin_add (GST_BIN (audio_bin), a_decoder);
+  gst_bin_add (GST_BIN (audio_bin), a_convert);
+  gst_bin_add (GST_BIN (audio_bin), audiosink);
+
+  gst_element_link (a_queue, a_decoder);
+  gst_element_link (a_decoder, a_convert);
+  gst_element_link (a_convert, audiosink);
+
+  pad = gst_element_get_pad (a_queue, "sink");
+  gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad));
+  gst_object_unref (pad);
+
+  setup_dynamic_link (demux, NULL, gst_element_get_pad (audio_bin, "sink"),
+      NULL);
+
+  video_bin = gst_bin_new ("v_decoder_bin");
+  v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
+  v_decoder = gst_element_factory_make_or_warn ("theoradec", "v_dec");
+  v_convert =
+      gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_convert");
+  v_scale = gst_element_factory_make_or_warn ("videoscale", "v_scale");
+  videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
+
+  gst_bin_add (GST_BIN (pipeline), video_bin);
+
+  gst_bin_add (GST_BIN (video_bin), v_queue);
+  gst_bin_add (GST_BIN (video_bin), v_decoder);
+  gst_bin_add (GST_BIN (video_bin), v_convert);
+  gst_bin_add (GST_BIN (video_bin), v_scale);
+  gst_bin_add (GST_BIN (video_bin), videosink);
+
+  gst_element_link_many (v_queue, v_decoder, v_convert, v_scale, videosink,
+      NULL);
+
+  pad = gst_element_get_pad (v_queue, "sink");
+  gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad));
+  gst_object_unref (pad);
+
+  setup_dynamic_link (demux, NULL, gst_element_get_pad (video_bin, "sink"),
+      NULL);
+
+  seekable = gst_element_get_pad (a_decoder, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads =
+      g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_avi_msmpeg4v3_mp3_pipeline (const gchar * location)
+{
+  GstElement *pipeline, *audio_bin, *video_bin;
+  GstElement *src, *demux, *a_decoder, *a_convert, *v_decoder, *v_convert;
+  GstElement *audiosink, *videosink;
+  GstElement *a_queue, *v_queue;
+  GstPad *seekable, *pad;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  demux = gst_element_factory_make_or_warn ("avidemux", "demux");
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), demux);
+  gst_element_link (src, demux);
+
+  audio_bin = gst_bin_new ("a_decoder_bin");
+  a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
+  a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec");
+  a_convert = gst_element_factory_make_or_warn ("audioconvert", "a_convert");
+  audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink");
+
+  gst_bin_add (GST_BIN (audio_bin), a_queue);
+  gst_bin_add (GST_BIN (audio_bin), a_decoder);
+  gst_bin_add (GST_BIN (audio_bin), a_convert);
+  gst_bin_add (GST_BIN (audio_bin), audiosink);
+
+  gst_element_link (a_queue, a_decoder);
+  gst_element_link (a_decoder, a_convert);
+  gst_element_link (a_convert, audiosink);
+
+  gst_bin_add (GST_BIN (pipeline), audio_bin);
+
+  pad = gst_element_get_pad (a_queue, "sink");
+  gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad));
+  gst_object_unref (pad);
+
+  setup_dynamic_link (demux, NULL, gst_element_get_pad (audio_bin, "sink"),
+      NULL);
+
+  video_bin = gst_bin_new ("v_decoder_bin");
+  v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
+  v_decoder = gst_element_factory_make_or_warn ("ffdec_msmpeg4", "v_dec");
+  v_convert =
+      gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_convert");
+  videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
+
+  gst_bin_add (GST_BIN (video_bin), v_queue);
+  gst_bin_add (GST_BIN (video_bin), v_decoder);
+  gst_bin_add (GST_BIN (video_bin), v_convert);
+  gst_bin_add (GST_BIN (video_bin), videosink);
+
+  gst_element_link_many (v_queue, v_decoder, v_convert, videosink, NULL);
+
+  gst_bin_add (GST_BIN (pipeline), video_bin);
+
+  pad = gst_element_get_pad (v_queue, "sink");
+  gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad));
+  gst_object_unref (pad);
+
+  setup_dynamic_link (demux, NULL, gst_element_get_pad (video_bin, "sink"),
+      NULL);
+
+  seekable = gst_element_get_pad (a_decoder, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads =
+      g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_mp3_pipeline (const gchar * location)
+{
+  GstElement *pipeline;
+  GstElement *src, *decoder, *osssink, *queue;
+  GstPad *seekable;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  decoder = gst_element_factory_make_or_warn ("mad", "dec");
+  queue = gst_element_factory_make_or_warn ("queue", "queue");
+  osssink = gst_element_factory_make_or_warn (ASINK, "sink");
+
+  seekable_elements = g_list_prepend (seekable_elements, osssink);
+
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+  //g_object_set (G_OBJECT (osssink), "fragment", 0x00180008, NULL);
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), decoder);
+  gst_bin_add (GST_BIN (pipeline), queue);
+  gst_bin_add (GST_BIN (pipeline), osssink);
+
+  gst_element_link (src, decoder);
+  gst_element_link (decoder, queue);
+  gst_element_link (queue, osssink);
+
+  seekable = gst_element_get_pad (queue, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_avi_pipeline (const gchar * location)
+{
+  GstElement *pipeline, *audio_bin, *video_bin;
+  GstElement *src, *demux, *a_decoder, *v_decoder, *audiosink, *videosink;
+  GstElement *a_queue = NULL, *v_queue = NULL;
+  GstPad *seekable;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  demux = gst_element_factory_make_or_warn ("avidemux", "demux");
+  seekable_elements = g_list_prepend (seekable_elements, demux);
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), demux);
+  gst_element_link (src, demux);
+
+  audio_bin = gst_bin_new ("a_decoder_bin");
+  a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec");
+  audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink");
+  a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
+  gst_element_link (a_decoder, a_queue);
+  gst_element_link (a_queue, audiosink);
+  gst_bin_add (GST_BIN (audio_bin), a_decoder);
+  gst_bin_add (GST_BIN (audio_bin), a_queue);
+  gst_bin_add (GST_BIN (audio_bin), audiosink);
+  gst_element_set_state (audio_bin, GST_STATE_PAUSED);
+
+  setup_dynamic_link (demux, "audio_00", gst_element_get_pad (a_decoder,
+          "sink"), audio_bin);
+
+  seekable = gst_element_get_pad (a_queue, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads =
+      g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink"));
+
+  video_bin = gst_bin_new ("v_decoder_bin");
+  v_decoder = gst_element_factory_make_or_warn ("ffmpegdecall", "v_dec");
+  videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
+  v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
+  gst_element_link (v_decoder, v_queue);
+  gst_element_link (v_queue, videosink);
+  gst_bin_add (GST_BIN (video_bin), v_decoder);
+  gst_bin_add (GST_BIN (video_bin), v_queue);
+  gst_bin_add (GST_BIN (video_bin), videosink);
+
+  gst_element_set_state (video_bin, GST_STATE_PAUSED);
+
+  setup_dynamic_link (demux, "video_00", gst_element_get_pad (v_decoder,
+          "sink"), video_bin);
+
+  seekable = gst_element_get_pad (v_queue, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads =
+      g_list_prepend (rate_pads, gst_element_get_pad (v_decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_mpeg_pipeline (const gchar * location)
+{
+  GstElement *pipeline, *audio_bin, *video_bin;
+  GstElement *src, *demux, *a_decoder, *v_decoder, *v_filter;
+  GstElement *audiosink, *videosink;
+  GstElement *a_queue, *v_queue;
+  GstPad *seekable;
+  GstPad *pad;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  //demux = gst_element_factory_make_or_warn ("mpegdemux", "demux");
+  demux = gst_element_factory_make_or_warn ("flupsdemux", "demux");
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), demux);
+  gst_element_link (src, demux);
+
+  audio_bin = gst_bin_new ("a_decoder_bin");
+  a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec");
+  a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
+  audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink");
+  gst_bin_add (GST_BIN (audio_bin), a_decoder);
+  gst_bin_add (GST_BIN (audio_bin), a_queue);
+  gst_bin_add (GST_BIN (audio_bin), audiosink);
+
+  gst_element_link (a_decoder, a_queue);
+  gst_element_link (a_queue, audiosink);
+
+  gst_bin_add (GST_BIN (pipeline), audio_bin);
+
+  pad = gst_element_get_pad (a_decoder, "sink");
+  gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad));
+  gst_object_unref (pad);
+
+  setup_dynamic_link (demux, "audio_c0", gst_element_get_pad (audio_bin,
+          "sink"), NULL);
+
+  video_bin = gst_bin_new ("v_decoder_bin");
+  v_decoder = gst_element_factory_make_or_warn ("mpeg2dec", "v_dec");
+  v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
+  v_filter = gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_filter");
+  videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
+
+  gst_bin_add (GST_BIN (video_bin), v_decoder);
+  gst_bin_add (GST_BIN (video_bin), v_queue);
+  gst_bin_add (GST_BIN (video_bin), v_filter);
+  gst_bin_add (GST_BIN (video_bin), videosink);
+
+  gst_element_link (v_decoder, v_queue);
+  gst_element_link (v_queue, v_filter);
+  gst_element_link (v_filter, videosink);
+
+  gst_bin_add (GST_BIN (pipeline), video_bin);
+
+  pad = gst_element_get_pad (v_decoder, "sink");
+  gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad));
+  gst_object_unref (pad);
+
+  setup_dynamic_link (demux, "video_e0", gst_element_get_pad (video_bin,
+          "sink"), NULL);
+
+  seekable = gst_element_get_pad (v_filter, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads =
+      g_list_prepend (rate_pads, gst_element_get_pad (v_decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_mpegnt_pipeline (const gchar * location)
+{
+  GstElement *pipeline, *audio_bin, *video_bin;
+  GstElement *src, *demux, *a_decoder, *v_decoder, *v_filter;
+  GstElement *audiosink, *videosink;
+  GstElement *a_queue;
+  GstPad *seekable;
+
+  pipeline = gst_pipeline_new ("app");
+
+  src = gst_element_factory_make_or_warn (SOURCE, "src");
+  g_object_set (G_OBJECT (src), "location", location, NULL);
+
+  demux = gst_element_factory_make_or_warn ("mpegdemux", "demux");
+  //g_object_set (G_OBJECT (demux), "sync", TRUE, NULL);
+
+  seekable_elements = g_list_prepend (seekable_elements, demux);
+
+  gst_bin_add (GST_BIN (pipeline), src);
+  gst_bin_add (GST_BIN (pipeline), demux);
+  gst_element_link (src, demux);
+
+  audio_bin = gst_bin_new ("a_decoder_bin");
+  a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec");
+  a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
+  audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink");
+  //g_object_set (G_OBJECT (audiosink), "fragment", 0x00180008, NULL);
+  g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
+  gst_element_link (a_decoder, a_queue);
+  gst_element_link (a_queue, audiosink);
+  gst_bin_add (GST_BIN (audio_bin), a_decoder);
+  gst_bin_add (GST_BIN (audio_bin), a_queue);
+  gst_bin_add (GST_BIN (audio_bin), audiosink);
+
+  setup_dynamic_link (demux, "audio_00", gst_element_get_pad (a_decoder,
+          "sink"), audio_bin);
+
+  seekable = gst_element_get_pad (a_queue, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads =
+      g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink"));
+
+  video_bin = gst_bin_new ("v_decoder_bin");
+  v_decoder = gst_element_factory_make_or_warn ("mpeg2dec", "v_dec");
+  v_filter = gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_filter");
+  videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
+  gst_element_link_many (v_decoder, v_filter, videosink, NULL);
+
+  gst_bin_add_many (GST_BIN (video_bin), v_decoder, v_filter, videosink, NULL);
+
+  setup_dynamic_link (demux, "video_00", gst_element_get_pad (v_decoder,
+          "sink"), video_bin);
+
+  seekable = gst_element_get_pad (v_decoder, "src");
+  seekable_pads = g_list_prepend (seekable_pads, seekable);
+  rate_pads = g_list_prepend (rate_pads, seekable);
+  rate_pads =
+      g_list_prepend (rate_pads, gst_element_get_pad (v_decoder, "sink"));
+
+  return pipeline;
+}
+
+static GstElement *
+make_playerbin_pipeline (const gchar * location)
+{
+  GstElement *player;
+
+  player = gst_element_factory_make ("playbin", "player");
+  g_assert (player);
+
+  g_object_set (G_OBJECT (player), "uri", location, NULL);
+
+  seekable_elements = g_list_prepend (seekable_elements, player);
+
+  /* force element seeking on this pipeline */
+  elem_seek = TRUE;
+
+  return player;
+}
+
+static GstElement *
+make_playerbin2_pipeline (const gchar * location)
+{
+  GstElement *player;
+
+  player = gst_element_factory_make ("playbin2", "player");
+  g_assert (player);
+
+  g_object_set (G_OBJECT (player), "uri", location, NULL);
+
+  seekable_elements = g_list_prepend (seekable_elements, player);
+
+  /* force element seeking on this pipeline */
+  elem_seek = TRUE;
+
+  return player;
+}
+
+#ifndef GST_DISABLE_PARSE
+static GstElement *
+make_parselaunch_pipeline (const gchar * description)
+{
+  GstElement *pipeline;
+  GError *error;
+
+  pipeline = gst_parse_launch (description, &error);
+
+  seekable_elements = g_list_prepend (seekable_elements, pipeline);
+
+  elem_seek = TRUE;
+
+  return pipeline;
+}
+#endif
+
+typedef struct
+{
+  gchar *name;
+  GstElement *(*func) (const gchar * location);
+}
+Pipeline;
+
+static Pipeline pipelines[] = {
+  {"mp3", make_mp3_pipeline},
+  {"avi", make_avi_pipeline},
+  {"mpeg1", make_mpeg_pipeline},
+  {"mpegparse", make_parse_pipeline},
+  {"vorbis", make_vorbis_pipeline},
+  {"theora", make_theora_pipeline},
+  {"ogg/v/t", make_vorbis_theora_pipeline},
+  {"avi/msmpeg4v3/mp3", make_avi_msmpeg4v3_mp3_pipeline},
+  {"sid", make_sid_pipeline},
+  {"flac", make_flac_pipeline},
+  {"wav", make_wav_pipeline},
+  {"mod", make_mod_pipeline},
+  {"dv", make_dv_pipeline},
+  {"mpeg1nothreads", make_mpegnt_pipeline},
+  {"playerbin", make_playerbin_pipeline},
+#ifndef GST_DISABLE_PARSE
+  {"parse-launch", make_parselaunch_pipeline},
+#endif
+  {"playerbin2", make_playerbin2_pipeline},
+  {NULL, NULL},
+};
+
+#define NUM_TYPES       ((sizeof (pipelines) / sizeof (Pipeline)) - 1)
+
+/* ui callbacks and helpers */
+
+static gchar *
+format_value (GtkScale * scale, gdouble value)
+{
+  gint64 real;
+  gint64 seconds;
+  gint64 subseconds;
+
+  real = value * duration / 100;
+  seconds = (gint64) real / GST_SECOND;
+  subseconds = (gint64) real / (GST_SECOND / 100);
+
+  return g_strdup_printf ("%02" G_GINT64_FORMAT ":%02" G_GINT64_FORMAT ":%02"
+      G_GINT64_FORMAT, seconds / 60, seconds % 60, subseconds % 100);
+}
+
+typedef struct
+{
+  const gchar *name;
+  const GstFormat format;
+}
+seek_format;
+
+static seek_format seek_formats[] = {
+  {"tim", GST_FORMAT_TIME},
+  {"byt", GST_FORMAT_BYTES},
+  {"buf", GST_FORMAT_BUFFERS},
+  {"def", GST_FORMAT_DEFAULT},
+  {NULL, 0},
+};
+
+G_GNUC_UNUSED static void
+query_rates (void)
+{
+  GList *walk = rate_pads;
+
+  while (walk) {
+    GstPad *pad = GST_PAD (walk->data);
+    gint i = 0;
+
+    g_print ("rate/sec  %8.8s: ", GST_PAD_NAME (pad));
+    while (seek_formats[i].name) {
+      gint64 value;
+      GstFormat format;
+
+      format = seek_formats[i].format;
+
+      if (gst_pad_query_convert (pad, GST_FORMAT_TIME, GST_SECOND, &format,
+              &value)) {
+        g_print ("%s %13" G_GINT64_FORMAT " | ", seek_formats[i].name, value);
+      } else {
+        g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*");
+      }
+
+      i++;
+    }
+    g_print (" %s:%s\n", GST_DEBUG_PAD_NAME (pad));
+
+    walk = g_list_next (walk);
+  }
+}
+
+G_GNUC_UNUSED static void
+query_positions_elems (void)
+{
+  GList *walk = seekable_elements;
+
+  while (walk) {
+    GstElement *element = GST_ELEMENT (walk->data);
+    gint i = 0;
+
+    g_print ("positions %8.8s: ", GST_ELEMENT_NAME (element));
+    while (seek_formats[i].name) {
+      gint64 position, total;
+      GstFormat format;
+
+      format = seek_formats[i].format;
+
+      if (gst_element_query_position (element, &format, &position) &&
+          gst_element_query_duration (element, &format, &total)) {
+        g_print ("%s %13" G_GINT64_FORMAT " / %13" G_GINT64_FORMAT " | ",
+            seek_formats[i].name, position, total);
+      } else {
+        g_print ("%s %13.13s / %13.13s | ", seek_formats[i].name, "*NA*",
+            "*NA*");
+      }
+      i++;
+    }
+    g_print (" %s\n", GST_ELEMENT_NAME (element));
+
+    walk = g_list_next (walk);
+  }
+}
+
+G_GNUC_UNUSED static void
+query_positions_pads (void)
+{
+  GList *walk = seekable_pads;
+
+  while (walk) {
+    GstPad *pad = GST_PAD (walk->data);
+    gint i = 0;
+
+    g_print ("positions %8.8s: ", GST_PAD_NAME (pad));
+    while (seek_formats[i].name) {
+      GstFormat format;
+      gint64 position, total;
+
+      format = seek_formats[i].format;
+
+      if (gst_pad_query_position (pad, &format, &position) &&
+          gst_pad_query_duration (pad, &format, &total)) {
+        g_print ("%s %13" G_GINT64_FORMAT " / %13" G_GINT64_FORMAT " | ",
+            seek_formats[i].name, position, total);
+      } else {
+        g_print ("%s %13.13s / %13.13s | ", seek_formats[i].name, "*NA*",
+            "*NA*");
+      }
+
+      i++;
+    }
+    g_print (" %s:%s\n", GST_DEBUG_PAD_NAME (pad));
+
+    walk = g_list_next (walk);
+  }
+}
+
+static gboolean start_seek (GtkWidget * widget, GdkEventButton * event,
+    gpointer user_data);
+static gboolean stop_seek (GtkWidget * widget, GdkEventButton * event,
+    gpointer user_data);
+static void seek_cb (GtkWidget * widget);
+
+static void
+set_scale (gdouble value)
+{
+  g_signal_handlers_block_by_func (hscale, (void *) start_seek,
+      (void *) pipeline);
+  g_signal_handlers_block_by_func (hscale, (void *) stop_seek,
+      (void *) pipeline);
+  g_signal_handlers_block_by_func (hscale, (void *) seek_cb, (void *) pipeline);
+  gtk_adjustment_set_value (adjustment, value);
+  g_signal_handlers_unblock_by_func (hscale, (void *) start_seek,
+      (void *) pipeline);
+  g_signal_handlers_unblock_by_func (hscale, (void *) stop_seek,
+      (void *) pipeline);
+  g_signal_handlers_unblock_by_func (hscale, (void *) seek_cb,
+      (void *) pipeline);
+  gtk_widget_queue_draw (hscale);
+}
+
+static gboolean
+update_scale (gpointer data)
+{
+  GstFormat format = GST_FORMAT_TIME;
+
+  //position = 0;
+  //duration = 0;
+
+  if (elem_seek) {
+    if (seekable_elements) {
+      GstElement *element = GST_ELEMENT (seekable_elements->data);
+
+      gst_element_query_position (element, &format, &position);
+      gst_element_query_duration (element, &format, &duration);
+    }
+  } else {
+    if (seekable_pads) {
+      GstPad *pad = GST_PAD (seekable_pads->data);
+
+      gst_pad_query_position (pad, &format, &position);
+      gst_pad_query_duration (pad, &format, &duration);
+    }
+  }
+
+  if (stats) {
+    if (elem_seek) {
+      query_positions_elems ();
+    } else {
+      query_positions_pads ();
+    }
+    query_rates ();
+  }
+  if (position >= duration)
+    duration = position;
+
+  if (duration > 0) {
+    set_scale (position * 100.0 / duration);
+  }
+
+  return TRUE;
+}
+
+static void do_seek (GtkWidget * widget);
+static void connect_bus_signals (GstElement * pipeline);
+static void set_update_scale (gboolean active);
+
+static gboolean
+end_scrub (GtkWidget * widget)
+{
+  GST_DEBUG ("end scrub, PAUSE");
+  gst_element_set_state (pipeline, GST_STATE_PAUSED);
+  seek_timeout_id = 0;
+
+  return FALSE;
+}
+
+static gboolean
+send_event (GstEvent * event)
+{
+  gboolean res = FALSE;
+
+  if (!elem_seek) {
+    GList *walk = seekable_pads;
+
+    while (walk) {
+      GstPad *seekable = GST_PAD (walk->data);
+
+      GST_DEBUG ("send event on pad %s:%s", GST_DEBUG_PAD_NAME (seekable));
+
+      gst_event_ref (event);
+      res = gst_pad_send_event (seekable, event);
+
+      walk = g_list_next (walk);
+    }
+  } else {
+    GList *walk = seekable_elements;
+
+    while (walk) {
+      GstElement *seekable = GST_ELEMENT (walk->data);
+
+      GST_DEBUG ("send event on element %s", GST_ELEMENT_NAME (seekable));
+
+      gst_event_ref (event);
+      res = gst_element_send_event (seekable, event);
+
+      walk = g_list_next (walk);
+    }
+  }
+  gst_event_unref (event);
+  return res;
+}
+
+static void
+do_seek (GtkWidget * widget)
+{
+  gint64 real;
+  gboolean res = FALSE;
+  GstEvent *s_event;
+  GstSeekFlags flags;
+
+  real = gtk_range_get_value (GTK_RANGE (widget)) * duration / 100;
+
+  flags = 0;
+  if (flush_seek)
+    flags |= GST_SEEK_FLAG_FLUSH;
+  if (accurate_seek)
+    flags |= GST_SEEK_FLAG_ACCURATE;
+  if (keyframe_seek)
+    flags |= GST_SEEK_FLAG_KEY_UNIT;
+  if (loop_seek)
+    flags |= GST_SEEK_FLAG_SEGMENT;
+
+  if (rate >= 0) {
+    s_event = gst_event_new_seek (rate,
+        GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, real, GST_SEEK_TYPE_SET, -1);
+    GST_DEBUG ("seek with rate %lf to %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT,
+        rate, GST_TIME_ARGS (real), GST_TIME_ARGS (duration));
+  } else {
+    s_event = gst_event_new_seek (rate,
+        GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
+        GST_SEEK_TYPE_SET, real);
+    GST_DEBUG ("seek with rate %lf to %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT,
+        rate, GST_TIME_ARGS (0), GST_TIME_ARGS (real));
+  }
+
+  res = send_event (s_event);
+
+  if (res) {
+    if (flush_seek) {
+      gst_element_get_state (GST_ELEMENT (pipeline), NULL, NULL, SEEK_TIMEOUT);
+    } else {
+      set_update_scale (TRUE);
+    }
+  } else {
+    g_print ("seek failed\n");
+    set_update_scale (TRUE);
+  }
+}
+
+static void
+seek_cb (GtkWidget * widget)
+{
+  /* If the timer hasn't expired yet, then the pipeline is running */
+  if (play_scrub && seek_timeout_id != 0) {
+    GST_DEBUG ("do scrub seek, PAUSED");
+    gst_element_set_state (pipeline, GST_STATE_PAUSED);
+  }
+
+  GST_DEBUG ("do seek");
+  do_seek (widget);
+
+  if (play_scrub) {
+    GST_DEBUG ("do scrub seek, PLAYING");
+    gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+    if (seek_timeout_id == 0) {
+      seek_timeout_id =
+          g_timeout_add (SCRUB_TIME, (GSourceFunc) end_scrub, widget);
+    }
+  }
+}
+
+static void
+set_update_scale (gboolean active)
+{
+
+  GST_DEBUG ("update scale is %d", active);
+
+  if (active) {
+    if (update_id == 0) {
+      update_id =
+          g_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline);
+    }
+  } else {
+    if (update_id) {
+      g_source_remove (update_id);
+      update_id = 0;
+    }
+  }
+}
+
+static gboolean
+start_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
+{
+  if (event->type != GDK_BUTTON_PRESS)
+    return FALSE;
+
+  set_update_scale (FALSE);
+
+  if (state == GST_STATE_PLAYING && flush_seek && scrub) {
+    GST_DEBUG ("start scrub seek, PAUSE");
+    gst_element_set_state (pipeline, GST_STATE_PAUSED);
+  }
+
+  if (changed_id == 0 && flush_seek && scrub) {
+    changed_id = gtk_signal_connect (GTK_OBJECT (hscale),
+        "value_changed", G_CALLBACK (seek_cb), pipeline);
+  }
+
+  return FALSE;
+}
+
+static gboolean
+stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
+{
+  if (changed_id) {
+    g_signal_handler_disconnect (GTK_OBJECT (hscale), changed_id);
+    changed_id = 0;
+  }
+
+  if (!flush_seek || !scrub) {
+    GST_DEBUG ("do final seek");
+    do_seek (widget);
+  }
+
+  if (seek_timeout_id != 0) {
+    g_source_remove (seek_timeout_id);
+    seek_timeout_id = 0;
+    /* Still scrubbing, so the pipeline is playing, see if we need PAUSED
+     * instead. */
+    if (state == GST_STATE_PAUSED) {
+      GST_DEBUG ("stop scrub seek, PAUSED");
+      gst_element_set_state (pipeline, GST_STATE_PAUSED);
+    }
+  } else {
+    if (state == GST_STATE_PLAYING) {
+      GST_DEBUG ("stop scrub seek, PLAYING");
+      gst_element_set_state (pipeline, GST_STATE_PLAYING);
+    }
+  }
+
+  return FALSE;
+}
+
+static void
+play_cb (GtkButton * button, gpointer data)
+{
+  GstStateChangeReturn ret;
+
+  if (state != GST_STATE_PLAYING) {
+    g_print ("PLAY pipeline\n");
+    ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
+    if (ret == GST_STATE_CHANGE_FAILURE)
+      goto failed;
+    //do_seek(hscale);
+
+    state = GST_STATE_PLAYING;
+  }
+  return;
+
+failed:
+  {
+    g_print ("PLAY failed\n");
+  }
+}
+
+static void
+pause_cb (GtkButton * button, gpointer data)
+{
+  if (state != GST_STATE_PAUSED) {
+    GstStateChangeReturn ret;
+
+    g_print ("PAUSE pipeline\n");
+    ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
+    if (ret == GST_STATE_CHANGE_FAILURE)
+      goto failed;
+
+    state = GST_STATE_PAUSED;
+  }
+  return;
+
+failed:
+  {
+    g_print ("PAUSE failed\n");
+  }
+}
+
+static void
+stop_cb (GtkButton * button, gpointer data)
+{
+  if (state != GST_STATE_READY) {
+    GstStateChangeReturn ret;
+
+    g_print ("READY pipeline\n");
+    ret = gst_element_set_state (pipeline, GST_STATE_READY);
+    if (ret == GST_STATE_CHANGE_FAILURE)
+      goto failed;
+
+    state = GST_STATE_READY;
+
+    set_update_scale (FALSE);
+    set_scale (0.0);
+
+    if (pipeline_type == 16)
+      clear_streams (pipeline);
+
+    /* if one uses parse_launch, play, stop and play again it fails as all the
+     * pads after the demuxer can't be reconnected
+     */
+    if (!strcmp (pipelines[pipeline_type].name, "parse-launch")) {
+      gst_element_set_state (pipeline, GST_STATE_NULL);
+      gst_object_unref (pipeline);
+
+      pipeline = pipelines[pipeline_type].func (pipeline_spec);
+      g_assert (pipeline);
+      gst_element_set_state (pipeline, GST_STATE_READY);
+      connect_bus_signals (pipeline);
+    }
+  }
+  return;
+
+failed:
+  {
+    g_print ("STOP failed\n");
+  }
+}
+
+static void
+accurate_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  accurate_seek = gtk_toggle_button_get_active (button);
+}
+
+static void
+key_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  keyframe_seek = gtk_toggle_button_get_active (button);
+}
+
+static void
+loop_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  loop_seek = gtk_toggle_button_get_active (button);
+  if (state == GST_STATE_PLAYING) {
+    do_seek (hscale);
+  }
+}
+
+static void
+flush_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  flush_seek = gtk_toggle_button_get_active (button);
+}
+
+static void
+scrub_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  scrub = gtk_toggle_button_get_active (button);
+}
+
+static void
+play_scrub_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  play_scrub = gtk_toggle_button_get_active (button);
+}
+
+static void
+rate_spinbutton_changed_cb (GtkSpinButton * button, GstPipeline * pipeline)
+{
+  gboolean res = FALSE;
+  GstEvent *s_event;
+  GstSeekFlags flags;
+
+  rate = gtk_spin_button_get_value (button);
+
+  flags = 0;
+  if (flush_seek)
+    flags |= GST_SEEK_FLAG_FLUSH;
+  if (loop_seek)
+    flags |= GST_SEEK_FLAG_SEGMENT;
+  if (accurate_seek)
+    flags |= GST_SEEK_FLAG_ACCURATE;
+  if (keyframe_seek)
+    flags |= GST_SEEK_FLAG_KEY_UNIT;
+
+  if (rate >= 0) {
+    s_event = gst_event_new_seek (rate,
+        GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, position,
+        GST_SEEK_TYPE_SET, -1);
+  } else {
+    s_event = gst_event_new_seek (rate,
+        GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
+        GST_SEEK_TYPE_SET, position);
+  }
+
+  GST_DEBUG ("rate changed to %lf", rate);
+
+  res = send_event (s_event);
+
+  if (res) {
+    if (flush_seek) {
+      gst_element_get_state (GST_ELEMENT (pipeline), NULL, NULL, SEEK_TIMEOUT);
+    }
+  } else
+    g_print ("seek failed\n");
+}
+
+static void
+update_flag (GstPipeline * pipeline, gint num, gboolean state)
+{
+  gint flags;
+
+  g_object_get (pipeline, "flags", &flags, NULL);
+  if (state)
+    flags |= (1 << num);
+  else
+    flags &= ~(1 << num);
+  g_object_set (pipeline, "flags", flags, NULL);
+}
+
+static void
+vis_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  gboolean state;
+
+  state = gtk_toggle_button_get_active (button);
+  update_flag (pipeline, 3, state);
+  gtk_widget_set_sensitive (vis_combo, state);
+}
+
+static void
+audio_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  update_flag (pipeline, 1, gtk_toggle_button_get_active (button));
+}
+
+static void
+video_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  update_flag (pipeline, 0, gtk_toggle_button_get_active (button));
+}
+
+static void
+text_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  update_flag (pipeline, 2, gtk_toggle_button_get_active (button));
+}
+
+static void
+mute_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
+{
+  gboolean mute;
+
+  mute = gtk_toggle_button_get_active (button);
+  g_object_set (pipeline, "mute", mute, NULL);
+}
+
+static void
+clear_streams (GstElement * pipeline)
+{
+  gint i;
+
+  /* remove previous info */
+  for (i = 0; i < n_video; i++)
+    gtk_combo_box_remove_text (GTK_COMBO_BOX (video_combo), 0);
+  for (i = 0; i < n_audio; i++)
+    gtk_combo_box_remove_text (GTK_COMBO_BOX (audio_combo), 0);
+  for (i = 0; i < n_text; i++)
+    gtk_combo_box_remove_text (GTK_COMBO_BOX (text_combo), 0);
+
+  n_audio = n_video = n_text = 0;
+  gtk_widget_set_sensitive (video_combo, FALSE);
+  gtk_widget_set_sensitive (audio_combo, FALSE);
+  gtk_widget_set_sensitive (text_combo, FALSE);
+
+  need_streams = TRUE;
+}
+
+static void
+update_streams (GstPipeline * pipeline)
+{
+  gint i;
+
+  if (pipeline_type == 16 && need_streams) {
+    GstTagList *tags;
+    gchar *name;
+    gint active_idx;
+
+    /* remove previous info */
+    clear_streams (GST_ELEMENT_CAST (pipeline));
+
+    /* here we get and update the different streams detected by playbin2 */
+    g_object_get (pipeline, "n-video", &n_video, NULL);
+    g_object_get (pipeline, "n-audio", &n_audio, NULL);
+    g_object_get (pipeline, "n-text", &n_text, NULL);
+
+    g_print ("video %d, audio %d, text %d\n", n_video, n_audio, n_text);
+
+    active_idx = 0;
+    for (i = 0; i < n_video; i++) {
+      g_signal_emit_by_name (pipeline, "get-video-tags", i, &tags);
+      /* find good name for the label */
+      name = g_strdup_printf ("video %d", i + 1);
+      gtk_combo_box_append_text (GTK_COMBO_BOX (video_combo), name);
+      g_free (name);
+    }
+    gtk_widget_set_sensitive (video_combo, n_video > 0);
+    gtk_combo_box_set_active (GTK_COMBO_BOX (video_combo), active_idx);
+
+    active_idx = 0;
+    for (i = 0; i < n_audio; i++) {
+      g_signal_emit_by_name (pipeline, "get-audio-tags", i, &tags);
+      /* find good name for the label */
+      name = g_strdup_printf ("audio %d", i + 1);
+      gtk_combo_box_append_text (GTK_COMBO_BOX (audio_combo), name);
+      g_free (name);
+    }
+    gtk_widget_set_sensitive (audio_combo, n_audio > 0);
+    gtk_combo_box_set_active (GTK_COMBO_BOX (audio_combo), active_idx);
+
+    active_idx = 0;
+    for (i = 0; i < n_text; i++) {
+      g_signal_emit_by_name (pipeline, "get-text-tags", i, &tags);
+      /* find good name for the label */
+      name = g_strdup_printf ("text %d", i + 1);
+      gtk_combo_box_append_text (GTK_COMBO_BOX (text_combo), name);
+      g_free (name);
+    }
+    gtk_widget_set_sensitive (text_combo, n_text > 0);
+    gtk_combo_box_set_active (GTK_COMBO_BOX (text_combo), active_idx);
+
+    need_streams = FALSE;
+  }
+}
+
+static void
+video_combo_cb (GtkComboBox * combo, GstPipeline * pipeline)
+{
+  g_object_set (pipeline, "current-video", gtk_combo_box_get_active (combo),
+      NULL);
+}
+
+static void
+audio_combo_cb (GtkComboBox * combo, GstPipeline * pipeline)
+{
+  g_object_set (pipeline, "current-audio", gtk_combo_box_get_active (combo),
+      NULL);
+}
+
+static void
+text_combo_cb (GtkComboBox * combo, GstPipeline * pipeline)
+{
+  g_object_set (pipeline, "current-text", gtk_combo_box_get_active (combo),
+      NULL);
+}
+
+static gboolean
+filter_features (GstPluginFeature * feature, gpointer data)
+{
+  GstElementFactory *f;
+
+  if (!GST_IS_ELEMENT_FACTORY (feature))
+    return FALSE;
+  f = GST_ELEMENT_FACTORY (feature);
+  if (!g_strrstr (gst_element_factory_get_klass (f), "Visualization"))
+    return FALSE;
+
+  return TRUE;
+}
+
+static void
+init_visualization_features (void)
+{
+  GList *list, *walk;
+
+  vis_entries = g_array_new (FALSE, FALSE, sizeof (VisEntry));
+
+  list = gst_registry_feature_filter (gst_registry_get_default (),
+      filter_features, FALSE, NULL);
+
+  for (walk = list; walk; walk = g_list_next (walk)) {
+    VisEntry entry;
+    const gchar *name;
+
+    entry.factory = GST_ELEMENT_FACTORY (walk->data);
+    name = gst_element_factory_get_longname (entry.factory);
+
+    g_array_append_val (vis_entries, entry);
+    gtk_combo_box_append_text (GTK_COMBO_BOX (vis_combo), name);
+  }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (vis_combo), 0);
+}
+
+static void
+vis_combo_cb (GtkComboBox * combo, GstPipeline * pipeline)
+{
+  guint index;
+  VisEntry *entry;
+  GstElement *element;
+
+  /* get the selected index and get the factory for this index */
+  index = gtk_combo_box_get_active (GTK_COMBO_BOX (vis_combo));
+  entry = &g_array_index (vis_entries, VisEntry, index);
+  /* create an instance of the element from the factory */
+  element = gst_element_factory_create (entry->factory, NULL);
+  if (!element)
+    return;
+
+  /* set vis plugin for playbin2 */
+  g_object_set (pipeline, "vis-plugin", element, NULL);
+}
+
+static void
+volume_spinbutton_changed_cb (GtkSpinButton * button, GstPipeline * pipeline)
+{
+  gdouble volume;
+
+  volume = gtk_spin_button_get_value (button);
+
+  g_object_set (pipeline, "volume", volume, NULL);
+}
+
+static void
+shot_cb (GtkButton * button, gpointer data)
+{
+  GstBuffer *buffer;
+  GstCaps *caps;
+
+  /* convert to our desired format (RGB24) */
+  caps = gst_caps_new_simple ("video/x-raw-rgb",
+      "bpp", G_TYPE_INT, 24, "depth", G_TYPE_INT, 24,
+      /* Note: we don't ask for a specific width/height here, so that
+       * videoscale can adjust dimensions from a non-1/1 pixel aspect
+       * ratio to a 1/1 pixel-aspect-ratio */
+      "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
+      "endianness", G_TYPE_INT, G_BIG_ENDIAN,
+      "red_mask", G_TYPE_INT, 0xff0000,
+      "green_mask", G_TYPE_INT, 0x00ff00,
+      "blue_mask", G_TYPE_INT, 0x0000ff, NULL);
+
+  /* convert the latest frame to the requested format */
+  g_signal_emit_by_name (pipeline, "convert-frame", caps, &buffer);
+  gst_caps_unref (caps);
+
+  if (buffer) {
+    GstCaps *caps;
+    GstStructure *s;
+    gboolean res;
+    gint width, height;
+    GdkPixbuf *pixbuf;
+    GError *error = NULL;
+
+    /* get the snapshot buffer format now. We set the caps on the appsink so
+     * that it can only be an rgb buffer. The only thing we have not specified
+     * on the caps is the height, which is dependant on the pixel-aspect-ratio
+     * of the source material */
+    caps = GST_BUFFER_CAPS (buffer);
+    if (!caps) {
+      g_warning ("could not get snapshot format\n");
+      goto done;
+    }
+    s = gst_caps_get_structure (caps, 0);
+
+    /* we need to get the final caps on the buffer to get the size */
+    res = gst_structure_get_int (s, "width", &width);
+    res |= gst_structure_get_int (s, "height", &height);
+    if (!res) {
+      g_warning ("could not get snapshot dimension\n");
+      goto done;
+    }
+
+    /* create pixmap from buffer and save, gstreamer video buffers have a stride
+     * that is rounded up to the nearest multiple of 4 */
+    pixbuf = gdk_pixbuf_new_from_data (GST_BUFFER_DATA (buffer),
+        GDK_COLORSPACE_RGB, FALSE, 8, width, height,
+        GST_ROUND_UP_4 (width * 3), NULL, NULL);
+
+    /* save the pixbuf */
+    gdk_pixbuf_save (pixbuf, "snapshot.png", "png", &error, NULL);
+
+  done:
+    gst_buffer_unref (buffer);
+  }
+}
+
+static void
+message_received (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
+{
+  const GstStructure *s;
+
+  s = gst_message_get_structure (message);
+  g_print ("message from \"%s\" (%s): ",
+      GST_STR_NULL (GST_ELEMENT_NAME (GST_MESSAGE_SRC (message))),
+      gst_message_type_get_name (GST_MESSAGE_TYPE (message)));
+  if (s) {
+    gchar *sstr;
+
+    sstr = gst_structure_to_string (s);
+    g_print ("%s\n", sstr);
+    g_free (sstr);
+  } else {
+    g_print ("no message details\n");
+  }
+}
+
+static void
+msg_async_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
+{
+  GST_DEBUG ("async done");
+  /* when we get ASYNC_DONE we can query position, duration and other
+   * properties */
+  update_scale (pipeline);
+
+  /* update the available streams */
+  update_streams (pipeline);
+}
+
+static void
+msg_state_changed (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
+{
+  const GstStructure *s;
+
+  s = gst_message_get_structure (message);
+
+  /* We only care about state changed on the pipeline */
+  if (s && GST_MESSAGE_SRC (message) == GST_OBJECT_CAST (pipeline)) {
+    GstState old, new, pending;
+
+    gst_message_parse_state_changed (message, &old, &new, &pending);
+
+    /* When state of the pipeline changes to paused or playing we start updating scale */
+    if (new == GST_STATE_PLAYING) {
+      set_update_scale (TRUE);
+    } else {
+      set_update_scale (FALSE);
+    }
+  }
+}
+
+static void
+msg_segment_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
+{
+  GstEvent *s_event;
+  GstSeekFlags flags;
+  gboolean res;
+  GstFormat format;
+
+  GST_DEBUG ("position is %" GST_TIME_FORMAT, GST_TIME_ARGS (position));
+  gst_message_parse_segment_done (message, &format, &position);
+  GST_DEBUG ("end of segment at %" GST_TIME_FORMAT, GST_TIME_ARGS (position));
+
+  flags = 0;
+  /* in the segment-done callback we never flush as this would not make sense
+   * for seamless playback. */
+  if (loop_seek)
+    flags = GST_SEEK_FLAG_SEGMENT;
+
+  s_event = gst_event_new_seek (rate,
+      GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
+      GST_SEEK_TYPE_SET, duration);
+
+  GST_DEBUG ("restart loop with rate %lf to 0 / %" GST_TIME_FORMAT,
+      rate, GST_TIME_ARGS (duration));
+
+  res = send_event (s_event);
+  if (!res)
+    g_print ("segment seek failed\n");
+}
+
+static void
+connect_bus_signals (GstElement * pipeline)
+{
+  GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
+
+  gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
+
+  g_signal_connect (bus, "message::state-changed",
+      (GCallback) msg_state_changed, pipeline);
+  g_signal_connect (bus, "message::segment-done", (GCallback) msg_segment_done,
+      pipeline);
+  g_signal_connect (bus, "message::async-done", (GCallback) msg_async_done,
+      pipeline);
+
+  g_signal_connect (bus, "message::new-clock", (GCallback) message_received,
+      pipeline);
+  g_signal_connect (bus, "message::error", (GCallback) message_received,
+      pipeline);
+  g_signal_connect (bus, "message::warning", (GCallback) message_received,
+      pipeline);
+  g_signal_connect (bus, "message::eos", (GCallback) message_received,
+      pipeline);
+  g_signal_connect (bus, "message::tag", (GCallback) message_received,
+      pipeline);
+  g_signal_connect (bus, "message::element", (GCallback) message_received,
+      pipeline);
+  g_signal_connect (bus, "message::segment-done", (GCallback) message_received,
+      pipeline);
+
+  gst_object_unref (bus);
+}
+
+static void
+print_usage (int argc, char **argv)
+{
+  gint i;
+
+  g_print ("usage: %s <type> <filename>\n", argv[0]);
+  g_print ("   possible types:\n");
+
+  for (i = 0; i < NUM_TYPES; i++) {
+    g_print ("     %d = %s\n", i, pipelines[i].name);
+  }
+}
+
+int
+main (int argc, char **argv)
+{
+  GtkWidget *window, *hbox, *vbox, *panel, *boxes, *flagtable, *boxes2;
+  GtkWidget *play_button, *pause_button, *stop_button, *shot_button;
+  GtkWidget *accurate_checkbox, *key_checkbox, *loop_checkbox, *flush_checkbox;
+  GtkWidget *scrub_checkbox, *play_scrub_checkbox, *rate_spinbutton;
+  GtkWidget *rate_label;
+  GtkTooltips *tips;
+  GOptionEntry options[] = {
+    {"stats", 's', 0, G_OPTION_ARG_NONE, &stats,
+        "Show pad stats", NULL},
+    {"elem", 'e', 0, G_OPTION_ARG_NONE, &elem_seek,
+        "Seek on elements instead of pads", NULL},
+    {"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
+        "Verbose properties", NULL},
+    {NULL}
+  };
+  GOptionContext *ctx;
+  GError *err = NULL;
+
+  if (!g_thread_supported ())
+    g_thread_init (NULL);
+
+  ctx = g_option_context_new ("- test seeking in gsteamer");
+  g_option_context_add_main_entries (ctx, options, NULL);
+  g_option_context_add_group (ctx, gst_init_get_option_group ());
+
+  if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
+    g_print ("Error initializing: %s\n", err->message);
+    exit (1);
+  }
+
+  GST_DEBUG_CATEGORY_INIT (seek_debug, "seek", 0, "seek example");
+
+  gtk_init (&argc, &argv);
+
+  if (argc != 3) {
+    print_usage (argc, argv);
+    exit (-1);
+  }
+
+  pipeline_type = atoi (argv[1]);
+
+  if (pipeline_type < 0 || pipeline_type >= NUM_TYPES) {
+    print_usage (argc, argv);
+    exit (-1);
+  }
+
+  pipeline_spec = argv[2];
+
+  pipeline = pipelines[pipeline_type].func (pipeline_spec);
+  g_assert (pipeline);
+
+  /* initialize gui elements ... */
+  tips = gtk_tooltips_new ();
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  hbox = gtk_hbox_new (FALSE, 0);
+  vbox = gtk_vbox_new (FALSE, 0);
+  flagtable = gtk_table_new (4, 2, FALSE);
+  gtk_container_set_border_width (GTK_CONTAINER (vbox), 3);
+
+  /* media controls */
+  play_button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_PLAY);
+  pause_button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_PAUSE);
+  stop_button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_STOP);
+
+  /* seek flags */
+  accurate_checkbox = gtk_check_button_new_with_label ("Accurate Seek");
+  key_checkbox = gtk_check_button_new_with_label ("Key-unit Seek");
+  loop_checkbox = gtk_check_button_new_with_label ("Loop");
+  flush_checkbox = gtk_check_button_new_with_label ("Flush");
+  scrub_checkbox = gtk_check_button_new_with_label ("Scrub");
+  play_scrub_checkbox = gtk_check_button_new_with_label ("Play Scrub");
+  rate_spinbutton = gtk_spin_button_new_with_range (-100, 100, 0.1);
+  gtk_spin_button_set_digits (GTK_SPIN_BUTTON (rate_spinbutton), 3);
+  rate_label = gtk_label_new ("Rate");
+
+  gtk_tooltips_set_tip (tips, accurate_checkbox,
+      "accurate position is requested, this might be considerably slower for some formats",
+      NULL);
+  gtk_tooltips_set_tip (tips, key_checkbox,
+      "seek to the nearest keyframe. This might be faster but less accurate",
+      NULL);
+  gtk_tooltips_set_tip (tips, loop_checkbox, "loop playback", NULL);
+  gtk_tooltips_set_tip (tips, flush_checkbox, "flush pipeline after seeking",
+      NULL);
+  gtk_tooltips_set_tip (tips, rate_spinbutton, "define the playback rate, "
+      "negative value trigger reverse playback", NULL);
+  gtk_tooltips_set_tip (tips, scrub_checkbox, "show images while seeking",
+      NULL);
+  gtk_tooltips_set_tip (tips, play_scrub_checkbox, "play video while seeking",
+      NULL);
+
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (flush_checkbox), TRUE);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (scrub_checkbox), TRUE);
+
+  gtk_spin_button_set_value (GTK_SPIN_BUTTON (rate_spinbutton), rate);
+
+  /* seek bar */
+  adjustment =
+      GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.00, 100.0, 0.1, 1.0, 1.0));
+  hscale = gtk_hscale_new (adjustment);
+  gtk_scale_set_digits (GTK_SCALE (hscale), 2);
+#if GTK_CHECK_VERSION(2,12,0)
+  gtk_range_set_show_fill_level (GTK_RANGE (hscale), TRUE);
+  gtk_range_set_fill_level (GTK_RANGE (hscale), 100.0);
+#endif
+  gtk_range_set_update_policy (GTK_RANGE (hscale), GTK_UPDATE_CONTINUOUS);
+
+  gtk_signal_connect (GTK_OBJECT (hscale),
+      "button_press_event", G_CALLBACK (start_seek), pipeline);
+  gtk_signal_connect (GTK_OBJECT (hscale),
+      "button_release_event", G_CALLBACK (stop_seek), pipeline);
+  gtk_signal_connect (GTK_OBJECT (hscale),
+      "format_value", G_CALLBACK (format_value), pipeline);
+
+  if (pipeline_type == 16) {
+    /* the playbin2 panel controls for the video/audio/subtitle tracks */
+    panel = gtk_hbox_new (FALSE, 0);
+    video_combo = gtk_combo_box_new_text ();
+    audio_combo = gtk_combo_box_new_text ();
+    text_combo = gtk_combo_box_new_text ();
+    gtk_widget_set_sensitive (video_combo, FALSE);
+    gtk_widget_set_sensitive (audio_combo, FALSE);
+    gtk_widget_set_sensitive (text_combo, FALSE);
+    gtk_box_pack_start (GTK_BOX (panel), video_combo, TRUE, TRUE, 2);
+    gtk_box_pack_start (GTK_BOX (panel), audio_combo, TRUE, TRUE, 2);
+    gtk_box_pack_start (GTK_BOX (panel), text_combo, TRUE, TRUE, 2);
+    g_signal_connect (G_OBJECT (video_combo), "changed",
+        G_CALLBACK (video_combo_cb), pipeline);
+    g_signal_connect (G_OBJECT (audio_combo), "changed",
+        G_CALLBACK (audio_combo_cb), pipeline);
+    g_signal_connect (G_OBJECT (text_combo), "changed",
+        G_CALLBACK (text_combo_cb), pipeline);
+    /* playbin2 panel for flag checkboxes and volume/mute */
+    boxes = gtk_hbox_new (FALSE, 0);
+    vis_checkbox = gtk_check_button_new_with_label ("Vis");
+    video_checkbox = gtk_check_button_new_with_label ("Video");
+    audio_checkbox = gtk_check_button_new_with_label ("Audio");
+    text_checkbox = gtk_check_button_new_with_label ("Text");
+    mute_checkbox = gtk_check_button_new_with_label ("Mute");
+    volume_spinbutton = gtk_spin_button_new_with_range (0, 10.0, 0.1);
+    gtk_spin_button_set_value (GTK_SPIN_BUTTON (volume_spinbutton), 1.0);
+    gtk_box_pack_start (GTK_BOX (boxes), vis_checkbox, TRUE, TRUE, 2);
+    gtk_box_pack_start (GTK_BOX (boxes), audio_checkbox, TRUE, TRUE, 2);
+    gtk_box_pack_start (GTK_BOX (boxes), video_checkbox, TRUE, TRUE, 2);
+    gtk_box_pack_start (GTK_BOX (boxes), text_checkbox, TRUE, TRUE, 2);
+    gtk_box_pack_start (GTK_BOX (boxes), mute_checkbox, TRUE, TRUE, 2);
+    gtk_box_pack_start (GTK_BOX (boxes), volume_spinbutton, TRUE, TRUE, 2);
+    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (vis_checkbox), FALSE);
+    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (audio_checkbox), TRUE);
+    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (video_checkbox), TRUE);
+    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (text_checkbox), TRUE);
+    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mute_checkbox), FALSE);
+    g_signal_connect (G_OBJECT (vis_checkbox), "toggled",
+        G_CALLBACK (vis_toggle_cb), pipeline);
+    g_signal_connect (G_OBJECT (audio_checkbox), "toggled",
+        G_CALLBACK (audio_toggle_cb), pipeline);
+    g_signal_connect (G_OBJECT (video_checkbox), "toggled",
+        G_CALLBACK (video_toggle_cb), pipeline);
+    g_signal_connect (G_OBJECT (text_checkbox), "toggled",
+        G_CALLBACK (text_toggle_cb), pipeline);
+    g_signal_connect (G_OBJECT (mute_checkbox), "toggled",
+        G_CALLBACK (mute_toggle_cb), pipeline);
+    g_signal_connect (G_OBJECT (volume_spinbutton), "value_changed",
+        G_CALLBACK (volume_spinbutton_changed_cb), pipeline);
+    /* playbin2 panel for snapshot */
+    boxes2 = gtk_hbox_new (FALSE, 0);
+    shot_button = gtk_button_new_from_stock (GTK_STOCK_SAVE);
+    gtk_tooltips_set_tip (tips, shot_button,
+        "save a screenshot .png in the current directory", NULL);
+    g_signal_connect (G_OBJECT (shot_button), "clicked", G_CALLBACK (shot_cb),
+        pipeline);
+    vis_combo = gtk_combo_box_new_text ();
+    g_signal_connect (G_OBJECT (vis_combo), "changed",
+        G_CALLBACK (vis_combo_cb), pipeline);
+    gtk_widget_set_sensitive (vis_combo, FALSE);
+    gtk_box_pack_start (GTK_BOX (boxes2), shot_button, TRUE, TRUE, 2);
+    gtk_box_pack_start (GTK_BOX (boxes2), vis_combo, TRUE, TRUE, 2);
+
+    /* fill the vis combo box and the array of factories */
+    init_visualization_features ();
+  } else {
+    panel = boxes = boxes2 = NULL;
+  }
+
+  /* do the packing stuff ... */
+  gtk_window_set_default_size (GTK_WINDOW (window), 250, 96);
+  gtk_container_add (GTK_CONTAINER (window), vbox);
+  gtk_container_add (GTK_CONTAINER (vbox), hbox);
+  gtk_box_pack_start (GTK_BOX (hbox), play_button, FALSE, FALSE, 2);
+  gtk_box_pack_start (GTK_BOX (hbox), pause_button, FALSE, FALSE, 2);
+  gtk_box_pack_start (GTK_BOX (hbox), stop_button, FALSE, FALSE, 2);
+  gtk_box_pack_start (GTK_BOX (hbox), flagtable, FALSE, FALSE, 2);
+  gtk_table_attach_defaults (GTK_TABLE (flagtable), accurate_checkbox, 0, 1, 0,
+      1);
+  gtk_table_attach_defaults (GTK_TABLE (flagtable), flush_checkbox, 1, 2, 0, 1);
+  gtk_table_attach_defaults (GTK_TABLE (flagtable), loop_checkbox, 2, 3, 0, 1);
+  gtk_table_attach_defaults (GTK_TABLE (flagtable), key_checkbox, 0, 1, 1, 2);
+  gtk_table_attach_defaults (GTK_TABLE (flagtable), scrub_checkbox, 1, 2, 1, 2);
+  gtk_table_attach_defaults (GTK_TABLE (flagtable), play_scrub_checkbox, 2, 3,
+      1, 2);
+  gtk_table_attach_defaults (GTK_TABLE (flagtable), rate_label, 3, 4, 0, 1);
+  gtk_table_attach_defaults (GTK_TABLE (flagtable), rate_spinbutton, 3, 4, 1,
+      2);
+  if (panel && boxes && boxes2) {
+    gtk_box_pack_start (GTK_BOX (vbox), panel, TRUE, TRUE, 2);
+    gtk_box_pack_start (GTK_BOX (vbox), boxes, TRUE, TRUE, 2);
+    gtk_box_pack_start (GTK_BOX (vbox), boxes2, TRUE, TRUE, 2);
+  }
+  gtk_box_pack_start (GTK_BOX (vbox), hscale, TRUE, TRUE, 2);
+
+  /* connect things ... */
+  g_signal_connect (G_OBJECT (play_button), "clicked", G_CALLBACK (play_cb),
+      pipeline);
+  g_signal_connect (G_OBJECT (pause_button), "clicked", G_CALLBACK (pause_cb),
+      pipeline);
+  g_signal_connect (G_OBJECT (stop_button), "clicked", G_CALLBACK (stop_cb),
+      pipeline);
+  g_signal_connect (G_OBJECT (accurate_checkbox), "toggled",
+      G_CALLBACK (accurate_toggle_cb), pipeline);
+  g_signal_connect (G_OBJECT (key_checkbox), "toggled",
+      G_CALLBACK (key_toggle_cb), pipeline);
+  g_signal_connect (G_OBJECT (loop_checkbox), "toggled",
+      G_CALLBACK (loop_toggle_cb), pipeline);
+  g_signal_connect (G_OBJECT (flush_checkbox), "toggled",
+      G_CALLBACK (flush_toggle_cb), pipeline);
+  g_signal_connect (G_OBJECT (scrub_checkbox), "toggled",
+      G_CALLBACK (scrub_toggle_cb), pipeline);
+  g_signal_connect (G_OBJECT (play_scrub_checkbox), "toggled",
+      G_CALLBACK (play_scrub_toggle_cb), pipeline);
+  g_signal_connect (G_OBJECT (rate_spinbutton), "value_changed",
+      G_CALLBACK (rate_spinbutton_changed_cb), pipeline);
+
+  g_signal_connect (G_OBJECT (window), "delete-event", gtk_main_quit, NULL);
+
+  /* show the gui. */
+  gtk_widget_show_all (window);
+
+  if (verbose) {
+    g_signal_connect (pipeline, "deep_notify",
+        G_CALLBACK (gst_object_default_deep_notify), NULL);
+  }
+
+  connect_bus_signals (pipeline);
+  gtk_main ();
+
+  g_print ("NULL pipeline\n");
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+
+  g_print ("free pipeline\n");
+  gst_object_unref (pipeline);
+
+  return 0;
+}