Test program to check the registry handling

Original commit message from CVS:
Test program to check the registry handling

tests/registry.c

@@ -0,0 +1,117 @@
+#include <gst/gst.h>
+
+static void 
+dump_plugins (void)
+{
+  GList *plugins;
+  plugins = gst_plugin_get_list ();
+
+  while (plugins) {
+    GstPlugin *plugin = (GstPlugin *)plugins->data;
+    
+    g_print ("plugin: %s, loaded %d\n", plugin->name, plugin->loaded);
+
+    plugins = g_list_next (plugins);
+  }
+}
+
+static void 
+dump_factories (void)
+{
+  GList *factories;
+  factories = gst_elementfactory_get_list ();
+
+  while (factories) {
+    GstElementFactory *factory = (GstElementFactory *)factories->data;
+    
+    g_print ("factory: %s\n", factory->name);
+
+    factories = g_list_next (factories);
+  }
+}
+
+static void 
+dump_types (void)
+{
+  GList *types;
+  types = gst_type_get_list ();
+
+  while (types) {
+    GstType *factory = (GstType *)types->data;
+    
+    g_print ("type: %s %d\n", factory->mime, factory->id);
+
+    types = g_list_next (types);
+  }
+}
+
+static void 
+load_something (gchar *name)
+{
+  GstElementFactory *factory;
+  GstElement *element;
+
+  factory = gst_elementfactory_find ("foo");
+  g_print ("factory \"foo\" %s\n", (factory?"found":"not found"));
+
+  factory = gst_elementfactory_find (name);
+  g_print ("factory \"%s\" %s\n", name, (factory?"found":"not found"));
+
+  element = gst_elementfactory_create (factory, "test");
+
+  g_print ("element \"%s\" %s\n", name, (element?"found":"not found"));
+}
+
+static void 
+print_some_providers (gchar *mime)
+{
+  guint16 type;
+  GList *srcs, *sinks;
+  type = gst_type_find_by_mime (mime);
+
+  srcs = gst_type_get_srcs (type);
+
+  while (srcs) {
+    GstElementFactory *factory;
+
+    factory = (GstElementFactory *) srcs->data;
+
+    g_print ("factory src: \"%s\"\n", factory->name);
+
+    srcs = g_list_next (srcs);
+  }
+
+  sinks = gst_type_get_sinks (type);
+  while (sinks) {
+    GstElementFactory *factory;
+
+    factory = (GstElementFactory *) sinks->data;
+
+    g_print ("factory sink: \"%s\"\n", factory->name);
+
+    sinks = g_list_next (sinks);
+  }
+}
+
+int main(int argc,char *argv[]) 
+{
+
+  gst_init(&argc,&argv);
+
+  dump_plugins ();
+  dump_factories ();
+  dump_types ();
+
+  print_some_providers ("audio/mp3");
+
+  load_something ("mpg123");
+
+  print_some_providers ("audio/mp3");
+
+  load_something ("mpg123");
+
+  dump_plugins ();
+  dump_factories ();
+  dump_types ();
+
+}