diff -r 000000000000 -r 0e761a78d257 gstreamer_core/tools/gst-xmlinspect.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gstreamer_core/tools/gst-xmlinspect.c	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,872 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include <string.h>
+#include <locale.h>
+#include <glib/gprintf.h>
+
+#include "tools.h"
+
+#define PUT_START_TAG(pfx,tag)                                  \
+G_STMT_START{                                                   \
+  g_print ("%*.*s<%s>\n", pfx, pfx, "", tag);                   \
+}G_STMT_END
+
+#define PUT_END_TAG(pfx,tag)                                    \
+G_STMT_START{                                                   \
+  g_print ("%*.*s</%s>\n", pfx, pfx, "", tag);                  \
+}G_STMT_END
+
+#define PUT_ESCAPED(pfx,tag,value)                              \
+G_STMT_START{                                                   \
+  const gchar *toconv = value;                                  \
+  if (value) {                                                  \
+    gchar *v = g_markup_escape_text (toconv, strlen (toconv));  \
+    g_print ("%*.*s<%s>%s</%s>\n", pfx, pfx, "", tag, v, tag);  \
+    g_free (v);                                                 \
+  }                                                             \
+}G_STMT_END
+
+#ifdef G_HAVE_ISO_VARARGS
+
+#define PUT_STRING(pfx, ...)                                    \
+G_STMT_START{                                                   \
+  gchar *ps_val = g_strdup_printf(__VA_ARGS__);                 \
+  g_print ("%*.*s%s\n", pfx, pfx, "", ps_val);                  \
+  g_free(ps_val);                                               \
+}G_STMT_END
+
+#elif defined(G_HAVE_GNUC_VARARGS)
+
+#define PUT_STRING(pfx, str, a...)                              \
+G_STMT_START{                                                   \
+  g_print ("%*.*s"str"\n", pfx, pfx, "" , ##a);                 \
+}G_STMT_END
+
+#else
+
+static inline void
+PUT_STRING (int pfx, const char *format, ...)
+{
+  va_list varargs;
+
+  g_print ("%*.*s", pfx, pfx, "");
+  va_start (varargs, format);
+  g_vprintf (format, varargs);
+  va_end (varargs);
+  g_print ("\n");
+}
+
+#endif
+
+static void
+print_caps (const GstCaps * caps, gint pfx)
+{
+  char *s;
+
+  if (!caps)
+    return;
+
+  s = gst_caps_to_string (caps);
+  PUT_ESCAPED (pfx, "caps", s);
+  g_free (s);
+}
+
+#if 0
+static void
+print_formats (const GstFormat * formats, gint pfx)
+{
+  while (formats && *formats) {
+    const GstFormatDefinition *definition;
+
+    definition = gst_format_get_details (*formats);
+    if (definition)
+      PUT_STRING (pfx, "<format id=\"%d\" nick=\"%s\">%s</format>",
+          *formats, definition->nick, definition->description);
+    else
+      PUT_STRING (pfx, "<format id=\"%d\">unknown</format>", *formats);
+
+    formats++;
+  }
+}
+#endif
+
+static void
+print_query_types (const GstQueryType * types, gint pfx)
+{
+  while (types && *types) {
+    const GstQueryTypeDefinition *definition;
+
+    definition = gst_query_type_get_details (*types);
+    if (definition)
+      PUT_STRING (pfx, "<query-type id=\"%d\" nick=\"%s\">%s</query-type>",
+          *types, definition->nick, definition->description);
+    else
+      PUT_STRING (pfx, "<query-type id=\"%d\">unknown</query-type>", *types);
+
+    types++;
+  }
+}
+
+#if 0
+static void
+print_event_masks (const GstEventMask * masks, gint pfx)
+{
+#ifndef GST_DISABLE_ENUMTYPES
+  GType event_type;
+  GEnumClass *klass;
+  GType event_flags;
+  GFlagsClass *flags_class = NULL;
+
+  event_type = gst_event_type_get_type ();
+  klass = (GEnumClass *) g_type_class_ref (event_type);
+
+  while (masks && masks->type) {
+    GEnumValue *value;
+    gint flags = 0, index = 0;
+
+    switch (masks->type) {
+      case GST_EVENT_SEEK:
+        flags = masks->flags;
+        event_flags = gst_seek_type_get_type ();
+        flags_class = (GFlagsClass *) g_type_class_ref (event_flags);
+        break;
+      default:
+        break;
+    }
+
+    value = g_enum_get_value (klass, masks->type);
+    PUT_STRING (pfx, "<event type=\"%s\">", value->value_nick);
+
+    while (flags) {
+      GFlagsValue *value;
+
+      if (flags & 1) {
+        value = g_flags_get_first_value (flags_class, 1 << index);
+
+        if (value)
+          PUT_ESCAPED (pfx + 1, "flag", value->value_nick);
+        else
+          PUT_ESCAPED (pfx + 1, "flag", "?");
+      }
+      flags >>= 1;
+      index++;
+    }
+    PUT_END_TAG (pfx, "event");
+
+    masks++;
+  }
+#endif
+}
+#endif
+
+static void
+output_hierarchy (GType type, gint level, gint * maxlevel)
+{
+  GType parent;
+
+  parent = g_type_parent (type);
+
+  *maxlevel = *maxlevel + 1;
+  level++;
+
+  PUT_STRING (level, "<object name=\"%s\">", g_type_name (type));
+
+  if (parent)
+    output_hierarchy (parent, level, maxlevel);
+
+  PUT_END_TAG (level, "object");
+}
+
+static void
+print_element_properties (GstElement * element, gint pfx)
+{
+  GParamSpec **property_specs;
+  guint num_properties;
+  gint i;
+  gboolean readable;
+
+  property_specs = g_object_class_list_properties
+      (G_OBJECT_GET_CLASS (element), &num_properties);
+
+  PUT_START_TAG (pfx, "element-properties");
+
+  for (i = 0; i < num_properties; i++) {
+    GValue value = { 0, };
+    GParamSpec *param = property_specs[i];
+
+    readable = FALSE;
+
+    g_value_init (&value, param->value_type);
+    if (param->flags & G_PARAM_READABLE) {
+      g_object_get_property (G_OBJECT (element), param->name, &value);
+      readable = TRUE;
+    }
+    PUT_START_TAG (pfx + 1, "element-property");
+    PUT_ESCAPED (pfx + 2, "name", g_param_spec_get_name (param));
+    PUT_ESCAPED (pfx + 2, "type", g_type_name (param->value_type));
+    PUT_ESCAPED (pfx + 2, "nick", g_param_spec_get_nick (param));
+    PUT_ESCAPED (pfx + 2, "blurb", g_param_spec_get_blurb (param));
+    if (readable) {
+      PUT_ESCAPED (pfx + 2, "flags", "RW");
+    } else {
+      PUT_ESCAPED (pfx + 2, "flags", "W");
+    }
+
+    switch (G_VALUE_TYPE (&value)) {
+      case G_TYPE_STRING:
+        PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
+        break;
+      case G_TYPE_BOOLEAN:
+        PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
+        break;
+      case G_TYPE_ULONG:
+      {
+        GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
+
+        PUT_STRING (pfx + 2, "<range min=\"%lu\" max=\"%lu\"/>",
+            pulong->minimum, pulong->maximum);
+        PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
+        break;
+      }
+      case G_TYPE_LONG:
+      {
+        GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
+
+        PUT_STRING (pfx + 2, "<range min=\"%ld\" max=\"%ld\"/>",
+            plong->minimum, plong->maximum);
+        PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
+        break;
+      }
+      case G_TYPE_UINT:
+      {
+        GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
+
+        PUT_STRING (pfx + 2, "<range min=\"%u\" max=\"%u\"/>",
+            puint->minimum, puint->maximum);
+        PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
+        break;
+      }
+      case G_TYPE_INT:
+      {
+        GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
+
+        PUT_STRING (pfx + 2, "<range min=\"%d\" max=\"%d\"/>",
+            pint->minimum, pint->maximum);
+        PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
+        break;
+      }
+      case G_TYPE_UINT64:
+      {
+        GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
+
+        PUT_STRING (pfx + 2,
+            "<range min=\"%" G_GUINT64_FORMAT "\" max=\"%" G_GUINT64_FORMAT
+            "\"/>", puint64->minimum, puint64->maximum);
+        PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
+        break;
+      }
+      case G_TYPE_INT64:
+      {
+        GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
+
+        PUT_STRING (pfx + 2,
+            "<range min=\"%" G_GINT64_FORMAT "\" max=\"%" G_GINT64_FORMAT
+            "\"/>", pint64->minimum, pint64->maximum);
+        PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
+        break;
+      }
+      case G_TYPE_FLOAT:
+      {
+        GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
+
+        PUT_STRING (pfx + 2, "<range min=\"%f\" max=\"%f\"/>",
+            pfloat->minimum, pfloat->maximum);
+        PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
+        break;
+      }
+      case G_TYPE_DOUBLE:
+      {
+        GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
+
+        PUT_STRING (pfx + 2, "<range min=\"%g\" max=\"%g\"/>",
+            pdouble->minimum, pdouble->maximum);
+        PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
+        break;
+      }
+      default:
+        if (param->value_type == GST_TYPE_CAPS) {
+          GstCaps *caps = g_value_peek_pointer (&value);
+
+          if (!caps)
+            PUT_ESCAPED (pfx + 2, "default", "NULL");
+          else {
+            print_caps (caps, 2);
+          }
+        } else if (G_IS_PARAM_SPEC_ENUM (param)) {
+          GEnumValue *values;
+          guint j = 0;
+          gint enum_value;
+
+          values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
+          enum_value = g_value_get_enum (&value);
+
+          while (values[j].value_name) {
+            if (values[j].value == enum_value)
+              break;
+            j++;
+          }
+          PUT_STRING (pfx + 2, "<default>%d</default>", values[j].value);
+
+          PUT_START_TAG (pfx + 2, "enum-values");
+          j = 0;
+          while (values[j].value_name) {
+            PUT_STRING (pfx + 3, "<value value=\"%d\" nick=\"%s\"/>",
+                values[j].value, values[j].value_nick);
+            j++;
+          }
+          PUT_END_TAG (pfx + 2, "enum-values");
+        } else if (G_IS_PARAM_SPEC_FLAGS (param)) {
+          GFlagsValue *values;
+          guint j = 0;
+          gint flags_value;
+
+          values = G_FLAGS_CLASS (g_type_class_ref (param->value_type))->values;
+          flags_value = g_value_get_flags (&value);
+
+          PUT_STRING (pfx + 2, "<default>%d</default>", flags_value);
+
+          PUT_START_TAG (pfx + 2, "flags");
+          j = 0;
+          while (values[j].value_name) {
+            PUT_STRING (pfx + 3, "<flag value=\"%d\" nick=\"%s\"/>",
+                values[j].value, values[j].value_nick);
+            j++;
+          }
+          PUT_END_TAG (pfx + 2, "flags");
+        } else if (G_IS_PARAM_SPEC_OBJECT (param)) {
+          PUT_ESCAPED (pfx + 2, "object-type", g_type_name (param->value_type));
+        }
+        break;
+    }
+
+    PUT_END_TAG (pfx + 1, "element-property");
+  }
+  PUT_END_TAG (pfx, "element-properties");
+  g_free (property_specs);
+}
+
+static void
+print_element_signals (GstElement * element, gint pfx)
+{
+  guint *signals;
+  guint nsignals;
+  gint i, k;
+  GSignalQuery *query;
+
+  signals = g_signal_list_ids (G_OBJECT_TYPE (element), &nsignals);
+  for (k = 0; k < 2; k++) {
+    gint counted = 0;
+
+    if (k == 0)
+      PUT_START_TAG (pfx, "element-signals");
+    else
+      PUT_START_TAG (pfx, "element-actions");
+
+    for (i = 0; i < nsignals; i++) {
+      gint n_params;
+      GType return_type;
+      const GType *param_types;
+      gint j;
+
+      query = g_new0 (GSignalQuery, 1);
+      g_signal_query (signals[i], query);
+
+      if ((k == 0 && !(query->signal_flags & G_SIGNAL_ACTION)) ||
+          (k == 1 && (query->signal_flags & G_SIGNAL_ACTION))) {
+        n_params = query->n_params;
+        return_type = query->return_type;
+        param_types = query->param_types;
+
+        PUT_START_TAG (pfx + 1, "signal");
+        PUT_ESCAPED (pfx + 2, "name", query->signal_name);
+        PUT_ESCAPED (pfx + 2, "return-type", g_type_name (return_type));
+        PUT_ESCAPED (pfx + 2, "object-type",
+            g_type_name (G_OBJECT_TYPE (element)));
+
+        PUT_START_TAG (pfx + 2, "params");
+        for (j = 0; j < n_params; j++) {
+          PUT_ESCAPED (pfx + 3, "type", g_type_name (param_types[j]));
+        }
+
+        PUT_END_TAG (pfx + 2, "params");
+
+        PUT_END_TAG (pfx + 1, "signal");
+
+        counted++;
+      }
+
+      g_free (query);
+    }
+    if (k == 0)
+      PUT_END_TAG (pfx, "element-signals");
+    else
+      PUT_END_TAG (pfx, "element-actions");
+  }
+}
+
+static gint
+print_element_info (GstElementFactory * factory)
+{
+  GstElement *element;
+  GstObjectClass *gstobject_class;
+  GstElementClass *gstelement_class;
+  GList *pads;
+  GstPad *pad;
+  GstStaticPadTemplate *padtemplate;
+  gint maxlevel = 0;
+
+  element = gst_element_factory_create (factory, "element");
+  if (!element) {
+    g_print ("couldn't construct element for some reason\n");
+    return -1;
+  }
+  PUT_START_TAG (0, "element");
+  PUT_ESCAPED (1, "name", GST_PLUGIN_FEATURE_NAME (factory));
+
+  gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element));
+  gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
+
+  PUT_START_TAG (1, "details");
+  PUT_ESCAPED (2, "long-name", factory->details.longname);
+  PUT_ESCAPED (2, "class", factory->details.klass);
+  PUT_ESCAPED (2, "description", factory->details.description);
+  PUT_ESCAPED (2, "authors", factory->details.author);
+  PUT_END_TAG (1, "details");
+
+  output_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
+
+  PUT_START_TAG (1, "pad-templates");
+  if (factory->numpadtemplates) {
+    pads = factory->staticpadtemplates;
+    while (pads) {
+      padtemplate = (GstStaticPadTemplate *) (pads->data);
+      pads = g_list_next (pads);
+
+      PUT_START_TAG (2, "pad-template");
+      PUT_ESCAPED (3, "name", padtemplate->name_template);
+
+      if (padtemplate->direction == GST_PAD_SRC)
+        PUT_ESCAPED (3, "direction", "src");
+      else if (padtemplate->direction == GST_PAD_SINK)
+        PUT_ESCAPED (3, "direction", "sink");
+      else
+        PUT_ESCAPED (3, "direction", "unknown");
+
+      if (padtemplate->presence == GST_PAD_ALWAYS)
+        PUT_ESCAPED (3, "presence", "always");
+      else if (padtemplate->presence == GST_PAD_SOMETIMES)
+        PUT_ESCAPED (3, "presence", "sometimes");
+      else if (padtemplate->presence == GST_PAD_REQUEST) {
+        PUT_ESCAPED (3, "presence", "request");
+        PUT_ESCAPED (3, "request-function",
+            GST_DEBUG_FUNCPTR_NAME (gstelement_class->request_new_pad));
+      } else
+        PUT_ESCAPED (3, "presence", "unknown");
+
+      if (padtemplate->static_caps.string) {
+        print_caps (gst_static_caps_get (&padtemplate->static_caps), 3);
+      }
+      PUT_END_TAG (2, "pad-template");
+    }
+  }
+  PUT_END_TAG (1, "pad-templates");
+
+  PUT_START_TAG (1, "element-flags");
+  PUT_END_TAG (1, "element-flags");
+
+  if (GST_IS_BIN (element)) {
+    PUT_START_TAG (1, "bin-flags");
+
+    PUT_END_TAG (1, "bin-flags");
+  }
+
+
+  PUT_START_TAG (1, "element-implementation");
+
+  PUT_STRING (2, "<state-change function=\"%s\"/>",
+      GST_DEBUG_FUNCPTR_NAME (gstelement_class->change_state));
+
+#ifndef GST_DISABLE_LOADSAVE
+  PUT_STRING (2, "<save function=\"%s\"/>",
+      GST_DEBUG_FUNCPTR_NAME (gstobject_class->save_thyself));
+  PUT_STRING (2, "<load function=\"%s\"/>",
+      GST_DEBUG_FUNCPTR_NAME (gstobject_class->restore_thyself));
+#endif
+  PUT_END_TAG (1, "element-implementation");
+
+  PUT_START_TAG (1, "clocking-interaction");
+  if (gst_element_requires_clock (element)) {
+    PUT_STRING (2, "<requires-clock/>");
+  }
+  if (gst_element_provides_clock (element)) {
+    GstClock *clock;
+
+    clock = gst_element_get_clock (element);
+    if (clock)
+      PUT_STRING (2, "<provides-clock name=\"%s\"/>", GST_OBJECT_NAME (clock));
+  }
+  PUT_END_TAG (1, "clocking-interaction");
+
+#ifndef GST_DISABLE_INDEX
+  if (gst_element_is_indexable (element)) {
+    PUT_STRING (1, "<indexing-capabilities/>");
+  }
+#endif
+
+  PUT_START_TAG (1, "pads");
+  if (element->numpads) {
+    const GList *pads;
+
+    pads = element->pads;
+    while (pads) {
+      pad = GST_PAD (pads->data);
+      pads = g_list_next (pads);
+
+      PUT_START_TAG (2, "pad");
+      PUT_ESCAPED (3, "name", gst_pad_get_name (pad));
+
+      if (gst_pad_get_direction (pad) == GST_PAD_SRC)
+        PUT_ESCAPED (3, "direction", "src");
+      else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
+        PUT_ESCAPED (3, "direction", "sink");
+      else
+        PUT_ESCAPED (3, "direction", "unknown");
+
+      if (pad->padtemplate)
+        PUT_ESCAPED (3, "template", pad->padtemplate->name_template);
+
+      PUT_START_TAG (3, "implementation");
+      if (pad->chainfunc)
+        PUT_STRING (4, "<chain-based function=\"%s\"/>",
+            GST_DEBUG_FUNCPTR_NAME (pad->chainfunc));
+      if (pad->getrangefunc)
+        PUT_STRING (4, "<get-range-based function=\"%s\"/>",
+            GST_DEBUG_FUNCPTR_NAME (pad->getrangefunc));
+      if (pad->eventfunc != gst_pad_event_default)
+        PUT_STRING (4, "<event-function function=\"%s\"/>",
+            GST_DEBUG_FUNCPTR_NAME (pad->eventfunc));
+      if (pad->queryfunc != gst_pad_query_default)
+        PUT_STRING (4, "<query-function function=\"%s\"/>",
+            GST_DEBUG_FUNCPTR_NAME (pad->queryfunc));
+      if (pad->querytypefunc != gst_pad_get_query_types_default) {
+        PUT_STRING (4, "<query-type-func function=\"%s\">",
+            GST_DEBUG_FUNCPTR_NAME (pad->querytypefunc));
+        print_query_types (gst_pad_get_query_types (pad), 5);
+        PUT_END_TAG (4, "query-type-func");
+      }
+
+      if (pad->intlinkfunc != gst_pad_get_internal_links_default)
+        PUT_STRING (4, "<intlink-function function=\"%s\"/>",
+            GST_DEBUG_FUNCPTR_NAME (pad->intlinkfunc));
+
+      if (pad->bufferallocfunc)
+        PUT_STRING (4, "<bufferalloc-function function=\"%s\"/>",
+            GST_DEBUG_FUNCPTR_NAME (pad->bufferallocfunc));
+      PUT_END_TAG (3, "implementation");
+
+      if (pad->caps) {
+        print_caps (pad->caps, 3);
+      }
+      PUT_END_TAG (2, "pad");
+    }
+  }
+  PUT_END_TAG (1, "pads");
+
+  print_element_properties (element, 1);
+  print_element_signals (element, 1);
+
+  /* for compound elements */
+  /* FIXME: gst_bin_get_list does not exist anymore
+     if (GST_IS_BIN (element)) {
+     GList *children;
+     GstElement *child;
+     PUT_START_TAG (1, "children");
+     children = (GList *) gst_bin_get_list (GST_BIN (element));
+     while (children) {
+     child = GST_ELEMENT (children->data);
+     children = g_list_next (children);
+
+     PUT_ESCAPED (2, "child", GST_ELEMENT_NAME (child));
+     }
+     PUT_END_TAG (1, "children");
+     }
+   */
+  PUT_END_TAG (0, "element");
+
+  return 0;
+}
+
+static void
+print_element_list (void)
+{
+  GList *plugins;
+
+  plugins = gst_default_registry_get_plugin_list ();
+  while (plugins) {
+    GList *features;
+    GstPlugin *plugin;
+
+    plugin = (GstPlugin *) (plugins->data);
+    plugins = g_list_next (plugins);
+
+    features =
+        gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
+        plugin->desc.name);
+    while (features) {
+      GstPluginFeature *feature;
+
+      feature = GST_PLUGIN_FEATURE (features->data);
+
+      if (GST_IS_ELEMENT_FACTORY (feature)) {
+        GstElementFactory *factory;
+
+        factory = GST_ELEMENT_FACTORY (feature);
+        g_print ("%s:  %s: %s\n", plugin->desc.name,
+            GST_PLUGIN_FEATURE_NAME (factory),
+            gst_element_factory_get_longname (factory));
+      }
+#ifndef GST_DISABLE_INDEX
+      else if (GST_IS_INDEX_FACTORY (feature)) {
+        GstIndexFactory *factory;
+
+        factory = GST_INDEX_FACTORY (feature);
+        g_print ("%s:  %s: %s\n", plugin->desc.name,
+            GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc);
+      }
+#endif
+      else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
+        GstTypeFindFactory *factory;
+
+        factory = GST_TYPE_FIND_FACTORY (feature);
+        if (factory->extensions) {
+          guint i = 0;
+
+          g_print ("%s type: ", plugin->desc.name);
+          while (factory->extensions[i]) {
+            g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
+            i++;
+          }
+        } else
+          g_print ("%s type: N/A\n", plugin->desc.name);
+      } else {
+        g_print ("%s:  %s (%s)\n", plugin->desc.name,
+            GST_PLUGIN_FEATURE_NAME (feature),
+            g_type_name (G_OBJECT_TYPE (feature)));
+      }
+
+      features = g_list_next (features);
+    }
+  }
+}
+
+static void
+print_plugin_info (GstPlugin * plugin)
+{
+  GList *features;
+  gint num_features = 0;
+  gint num_elements = 0;
+  gint num_autoplug = 0;
+  gint num_types = 0;
+  gint num_indexes = 0;
+  gint num_other = 0;
+
+  g_print ("Plugin Details:\n");
+  g_print ("  Name:\t\t%s\n", plugin->desc.name);
+  g_print ("  Description:\t%s\n", plugin->desc.description);
+  g_print ("  Filename:\t%s\n", plugin->filename);
+  g_print ("  Version:\t%s\n", plugin->desc.version);
+  g_print ("  License:\t%s\n", plugin->desc.license);
+  g_print ("  Package:\t%s\n", plugin->desc.package);
+  g_print ("  Origin URL:\t%s\n", plugin->desc.origin);
+  g_print ("\n");
+
+  features =
+      gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
+      plugin->desc.name);
+
+  while (features) {
+    GstPluginFeature *feature;
+
+    feature = GST_PLUGIN_FEATURE (features->data);
+
+    if (GST_IS_ELEMENT_FACTORY (feature)) {
+      GstElementFactory *factory;
+
+      factory = GST_ELEMENT_FACTORY (feature);
+      g_print ("  %s: %s\n", GST_OBJECT_NAME (factory),
+          gst_element_factory_get_longname (factory));
+      num_elements++;
+    }
+#ifndef GST_DISABLE_INDEX
+    else if (GST_IS_INDEX_FACTORY (feature)) {
+      GstIndexFactory *factory;
+
+      factory = GST_INDEX_FACTORY (feature);
+      g_print ("  %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
+      num_indexes++;
+    }
+#endif
+    else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
+      GstTypeFindFactory *factory;
+
+      factory = GST_TYPE_FIND_FACTORY (feature);
+      if (factory->extensions) {
+        guint i = 0;
+
+        g_print ("%s type: ", plugin->desc.name);
+        while (factory->extensions[i]) {
+          g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
+          i++;
+        }
+      } else
+        g_print ("%s type: N/A\n", plugin->desc.name);
+      num_types++;
+    } else {
+      g_print ("  %s (%s)\n", GST_OBJECT_NAME (feature),
+          g_type_name (G_OBJECT_TYPE (feature)));
+      num_other++;
+    }
+    num_features++;
+    features = g_list_next (features);
+  }
+  g_print ("\n  %d features:\n", num_features);
+  if (num_elements > 0)
+    g_print ("  +-- %d elements\n", num_elements);
+  if (num_autoplug > 0)
+    g_print ("  +-- %d autopluggers\n", num_autoplug);
+  if (num_types > 0)
+    g_print ("  +-- %d types\n", num_types);
+  if (num_indexes > 0)
+    g_print ("  +-- %d indexes\n", num_indexes);
+  if (num_other > 0)
+    g_print ("  +-- %d other objects\n", num_other);
+
+  g_print ("\n");
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  GstElementFactory *factory;
+  GstPlugin *plugin;
+  gchar *so;
+  GOptionEntry options[] = {
+    {"gst-inspect-plugin", 'p', 0, G_OPTION_ARG_STRING,
+        "Show plugin details", NULL},
+    {"gst-inspect-scheduler", 's', 0, G_OPTION_ARG_STRING,
+        "Show scheduler details", NULL},
+    GST_TOOLS_GOPTION_VERSION,
+    {NULL}
+  };
+  GOptionContext *ctx;
+  GError *err = NULL;
+
+  setlocale (LC_ALL, "");
+
+  if (!g_thread_supported ())
+    g_thread_init (NULL);
+
+  ctx = g_option_context_new ("[ELEMENT-NAME | PLUGIN-NAME]");
+  g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
+  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);
+  }
+  g_option_context_free (ctx);
+
+  gst_tools_print_version ("gst-xmlinspect");
+
+  PUT_STRING (0, "<?xml version=\"1.0\"?>");
+
+  /* if no arguments, print out list of elements */
+  if (argc == 1) {
+    print_element_list ();
+
+    /* else we try to get a factory */
+  } else {
+    /* first check for help */
+    if (strstr (argv[1], "-help")) {
+      g_print ("Usage: %s\t\t\tList all registered elements\n", argv[0]);
+      g_print ("       %s element-name\tShow element details\n", argv[0]);
+      g_print ("       %s plugin-name[.so]\tShow information about plugin\n",
+          argv[0]);
+      return 0;
+    }
+
+    /* only search for a factory if there's not a '.so' */
+    if (!strstr (argv[1], ".so")) {
+      factory = gst_element_factory_find (argv[1]);
+
+      /* if there's a factory, print out the info */
+      if (factory)
+        return print_element_info (factory);
+      else {
+        GstPluginFeature *feature;
+
+        /* FIXME implement other pretty print function for these */
+#ifndef GST_DISABLE_INDEX
+        feature = gst_default_registry_find_feature (argv[1],
+            GST_TYPE_INDEX_FACTORY);
+        if (feature) {
+          g_print ("%s: an index\n", argv[1]);
+          return 0;
+        }
+#endif
+        feature = gst_default_registry_find_feature (argv[1],
+            GST_TYPE_TYPE_FIND_FACTORY);
+        if (feature) {
+          g_print ("%s: a type find function\n", argv[1]);
+          return 0;
+        }
+      }
+    } else {
+      /* strip the .so */
+      so = strstr (argv[1], ".so");
+      so[0] = '\0';
+    }
+
+    /* otherwise assume it's a plugin */
+    plugin = gst_default_registry_find_plugin (argv[1]);
+
+    /* if there is such a plugin, print out info */
+
+    if (plugin) {
+      print_plugin_info (plugin);
+    } else {
+      g_print ("no such element or plugin '%s'\n", argv[1]);
+      return -1;
+    }
+  }
+
+  return 0;
+}