diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst/playback/test6.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/gst/playback/test6.c	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,157 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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.
+ */
+#include <unistd.h>
+#include <stdlib.h>             /* exit */
+#include <gst/gst.h>
+
+static void
+new_decoded_pad_cb (GstElement * decodebin, GstPad * new_pad, gboolean last,
+    GstElement * pipeline)
+{
+  GstElement *fakesink;
+  GstPad *sinkpad;
+
+  fakesink = gst_element_factory_make ("fakesink", NULL);
+  gst_bin_add (GST_BIN (pipeline), fakesink);
+
+  sinkpad = gst_element_get_pad (fakesink, "sink");
+  if (GST_PAD_LINK_FAILED (gst_pad_link (new_pad, sinkpad))) {
+    g_warning ("Failed to link %s:%s to %s:%s", GST_DEBUG_PAD_NAME (new_pad),
+        GST_DEBUG_PAD_NAME (sinkpad));
+    gst_bin_remove (GST_BIN (pipeline), fakesink);
+  } else {
+    gst_element_set_state (fakesink, GST_STATE_PAUSED);
+  }
+}
+
+static void
+show_error (const gchar * errmsg, GstBus * bus)
+{
+  GstMessage *msg;
+  GError *err = NULL;
+  gchar *dbg = NULL;
+
+  msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0);
+  if (msg) {
+    g_assert (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);
+
+    gst_message_parse_error (msg, &err, &dbg);
+  }
+
+  g_print ("ERROR: %s\n", errmsg);
+  g_print ("       %s\n", (err) ? err->message : "");
+  if (dbg) {
+    g_print ("\ndebug: %s\n\n", dbg);
+    g_free (dbg);
+  }
+
+  if (err)
+    g_error_free (err);
+}
+
+gint
+main (gint argc, gchar * argv[])
+{
+  GstElement *pipeline, *filesrc, *decodebin;
+  GstStateChangeReturn res;
+  GstIterator *it;
+  GstBus *bus;
+  gpointer data;
+
+  gst_init (&argc, &argv);
+
+  pipeline = gst_pipeline_new ("pipeline");
+
+  filesrc = gst_element_factory_make ("filesrc", "filesrc");
+  g_assert (filesrc);
+
+  decodebin = gst_element_factory_make ("decodebin", "decodebin");
+  g_assert (decodebin);
+
+  gst_bin_add_many (GST_BIN (pipeline), filesrc, decodebin, NULL);
+  gst_element_link (filesrc, decodebin);
+
+  if (argc < 2) {
+    g_print ("usage: %s <filenames>\n", argv[0]);
+    exit (-1);
+  }
+
+  if (!g_str_has_prefix (argv[1], "file://")) {
+    g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
+  } else {
+    g_object_set (G_OBJECT (filesrc), "location", argv[1] + 7, NULL);
+  }
+
+  /* we've got to connect fakesinks to newly decoded pads to make sure
+   * buffers have actually been flowing over those pads and caps have
+   * been set on them. decodebin might insert internal queues and
+   * without fakesinks it's pot-luck what caps we get from the pad, because
+   * it depends on whether the queues have started pushing buffers yet or not.
+   * With fakesinks we make sure that the pipeline doesn't go to PAUSED state
+   * before each fakesink has a buffer queued. */
+  g_signal_connect (decodebin, "new-decoded-pad",
+      G_CALLBACK (new_decoded_pad_cb), pipeline);
+
+  bus = gst_element_get_bus (pipeline);
+
+  g_print ("pause..\n");
+  res = gst_element_set_state (pipeline, GST_STATE_PAUSED);
+  if (res == GST_STATE_CHANGE_FAILURE) {
+    show_error ("Could not go to PAUSED state", bus);
+    exit (-1);
+  }
+  g_print ("waiting..\n");
+  res = gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
+  if (res != GST_STATE_CHANGE_SUCCESS) {
+    show_error ("Failed to complete state change to PAUSED", bus);
+    exit (-1);
+  }
+  g_print ("stats..\n");
+
+  it = gst_element_iterate_src_pads (decodebin);
+  while (gst_iterator_next (it, &data) == GST_ITERATOR_OK) {
+    GstPad *pad = GST_PAD (data);
+    GstCaps *caps;
+    gchar *str;
+    GstQuery *query;
+
+    g_print ("stream %s:\n", GST_OBJECT_NAME (pad));
+
+    caps = gst_pad_get_caps (pad);
+    str = gst_caps_to_string (caps);
+    g_print (" caps: %s\n", str);
+    g_free (str);
+    gst_caps_unref (caps);
+
+    query = gst_query_new_duration (GST_FORMAT_TIME);
+    if (gst_pad_query (pad, query)) {
+      gint64 duration;
+
+      gst_query_parse_duration (query, NULL, &duration);
+
+      g_print (" duration: %" GST_TIME_FORMAT "\n", GST_TIME_ARGS (duration));
+    }
+    gst_query_unref (query);
+
+    gst_object_unref (pad);
+  }
+  gst_iterator_free (it);
+
+  return 0;
+}