diff --git a/gst/autoplug/gstautoplugger.c b/gst/autoplug/gstautoplugger.c
index 24e25439f5..f8c9e510e0 100644
--- a/gst/autoplug/gstautoplugger.c
+++ b/gst/autoplug/gstautoplugger.c
@@ -145,11 +145,11 @@ gst_autoplugger_class_init (GstAutopluggerClass *klass)
 
 /*
   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BUFFER_COUNT,
-    g_param_spec_enum("buffer_count","buffer_count","buffer_count",
-                      G_TYPE_INT,0,G_PARAM_READABLE)); // CHECKME!
+    g_param_spec_int("buffer_count","buffer_count","buffer_count",
+                      0,G_MAXINT,0,G_PARAM_READABLE)); // CHECKME!
   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_RESET,
-    g_param_spec_enum("reset","reset","reset",
-                      G_TYPE_BOOL,0,G_PARAM_WRITABLE)); // CHECKME!
+    g_param_spec_boolean("reset","reset","reset",
+                         FALSE,G_PARAM_WRITABLE)); // CHECKME!
 */
 
   gobject_class->set_property = gst_autoplugger_set_property;
diff --git a/gst/elements/gstfdsrc.c b/gst/elements/gstfdsrc.c
index c937233a0f..658a89485a 100644
--- a/gst/elements/gstfdsrc.c
+++ b/gst/elements/gstfdsrc.c
@@ -97,8 +97,8 @@ gst_fdsrc_class_init (GstFdSrcClass *klass)
   parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
 
   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_LOCATION,
-    g_param_spec_enum("location","location","location",
-                      GST_TYPE_FILENAME,0,G_PARAM_WRITABLE)); // CHECKME!
+    g_param_spec_string("location","location","location",
+                        "",G_PARAM_WRITABLE)); // CHECKME!
   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BYTESPERREAD,
     g_param_spec_int("bytesperread","bytesperread","bytesperread",
                      G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); // CHECKME
diff --git a/gst/gobject2gtk.c b/gst/gobject2gtk.c
index e9ec44022d..275005edea 100644
--- a/gst/gobject2gtk.c
+++ b/gst/gobject2gtk.c
@@ -87,10 +87,9 @@ fprintf(stderr,"installing arg \"%s\" into class \"%s\"\n",arg_fullname,"");
 }
 
 GParamSpec *
-g_object_class_find_property(GtkObjectClass *class,const gchar *name)
+g_object_class_find_property(GtkObjectClass *class,gchar *name)
 {
   GtkArgInfo *info;
-  gchar *result;
   GParamSpec *spec;
 
 fprintf(stderr,"class name is %s\n",gtk_type_name(class->type));
@@ -175,6 +174,28 @@ g_param_spec_ulong(gchar *name,gchar *nick,gchar *blurb,gulong min,gulong max,gu
   return spec;
 }
 
+GParamSpec *
+g_param_spec_float(gchar *name,gchar *nick,gchar *blurb,float min,float max,float def,gint flags) {
+  GParamSpec *spec = g_new(GParamSpec,1);
+
+  spec->shortname = name;
+  spec->value_type = GTK_TYPE_FLOAT;
+  spec->flags = flags;
+
+  return spec;
+}
+
+GParamSpec *
+g_param_spec_double(gchar *name,gchar *nick,gchar *blurb,double min,double max,double def,gint flags) {
+  GParamSpec *spec = g_new(GParamSpec,1);
+
+  spec->shortname = name;
+  spec->value_type = GTK_TYPE_DOUBLE;
+  spec->flags = flags;
+
+  return spec;
+}
+
 GParamSpec *
 g_param_spec_pointer(gchar *name,gchar *nick,gchar *blurb,gint flags) {
   GParamSpec *spec = g_new(GParamSpec,1);
diff --git a/gst/gobject2gtk.h b/gst/gobject2gtk.h
index ee09d03a73..2dd02c97da 100644
--- a/gst/gobject2gtk.h
+++ b/gst/gobject2gtk.h
@@ -115,6 +115,7 @@ gpointer g_object_new(GtkType type,gpointer blah_varargs_stuff);
 #define G_SIGNAL_RUN_FIRST				GTK_RUN_FIRST
 
 #define GCallback					gpointer	// FIXME?
+#define G_CALLBACK(f)					((gpointer)(f))
 
 #define \
 g_signal_newc(name,type,location,offset,null1,null2,marshal,ret,count,args...) \
@@ -150,8 +151,10 @@ struct _GParamSpec {
   gint flags;
 };
 
+#define g_value_init(value,t)			((value)->type = (t))
+
 void g_object_class_install_property(GtkObjectClass *oclass,guint property_id,GParamSpec *pspec);
-GParamSpec *g_object_class_find_property(GtkObjectClass *class,const gchar *name);
+GParamSpec *g_object_class_find_property(GtkObjectClass *class,gchar *name);
 
 #define G_IS_PARAM_SPEC_ENUM(pspec)		(GTK_FUNDAMENTAL_TYPE(pspec->value_type) == GTK_TYPE_ENUM)
 
@@ -160,6 +163,8 @@ GParamSpec *g_param_spec_int(gchar *name,gchar *nick,gchar *blurb,gint min,gint
 GParamSpec *g_param_spec_uint(gchar *name,gchar *nick,gchar *blurb,guint min,guint max,guint def,gint flags);
 GParamSpec *g_param_spec_long(gchar *name,gchar *nick,gchar *blurb,glong min,glong max,glong def,gint flags);
 GParamSpec *g_param_spec_ulong(gchar *name,gchar *nick,gchar *blurb,gulong min,gulong max,gulong def,gint flags);
+GParamSpec *g_param_spec_float(gchar *name,gchar *nick,gchar *blurb,float min,float max,float def,gint flags);
+GParamSpec *g_param_spec_double(gchar *name,gchar *nick,gchar *blurb,double min,double max,double def,gint flags);
 GParamSpec *g_param_spec_enum(gchar *name,gchar *nick,gchar *blurb,GtkType e,guint def,gint flags);
 GParamSpec *g_param_spec_pointer(gchar *name,gchar *nick,gchar *blurb,gint flags);
 GParamSpec *g_param_spec_string(gchar *name,gchar *nick,gchar *blurb,gchar *def,gint flags);
@@ -177,7 +182,7 @@ GParamSpec *g_param_spec_string(gchar *name,gchar *nick,gchar *blurb,gchar *def,
 #define g_value_get_ulong(value)		GTK_VALUE_ULONG(*value)
 #define g_value_set_ulong(value,data)		(GTK_VALUE_ULONG(*value) = (data))
 #define g_value_get_float(value)		GTK_VALUE_FLOAT(*value)
-#define g_value_set_float(value,data)		(GTK_VALUE_FLAT(*value) = (data))
+#define g_value_set_float(value,data)		(GTK_VALUE_FLOAT(*value) = (data))
 #define g_value_get_double(value)		GTK_VALUE_DOUBLE(*value)
 #define g_value_set_double(value,data)		(GTK_VALUE_DOUBLE(*value) = (data))
 #define g_value_get_string(value)		GTK_VALUE_STRING(*value)
diff --git a/gst/gstpad.c b/gst/gstpad.c
index d9b42d4527..93e798a236 100644
--- a/gst/gstpad.c
+++ b/gst/gstpad.c
@@ -1595,7 +1595,7 @@ gst_padtemplate_class_init (GstPadTemplateClass *klass)
   padtemplate_parent_class = g_type_class_ref(GST_TYPE_OBJECT);
 
   gst_padtemplate_signals[TEMPL_PAD_CREATED] =
-    g_signal_newc ("pad_created", G_SIGNAL_RUN_LAST, G_TYPE_FROM_CLASS(klass),
+    g_signal_newc ("pad_created", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
                     G_STRUCT_OFFSET (GstPadTemplateClass, pad_created), NULL, NULL,
                     g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1,
                     GST_TYPE_PAD);
diff --git a/plugins/elements/gstfdsrc.c b/plugins/elements/gstfdsrc.c
index c937233a0f..658a89485a 100644
--- a/plugins/elements/gstfdsrc.c
+++ b/plugins/elements/gstfdsrc.c
@@ -97,8 +97,8 @@ gst_fdsrc_class_init (GstFdSrcClass *klass)
   parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
 
   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_LOCATION,
-    g_param_spec_enum("location","location","location",
-                      GST_TYPE_FILENAME,0,G_PARAM_WRITABLE)); // CHECKME!
+    g_param_spec_string("location","location","location",
+                        "",G_PARAM_WRITABLE)); // CHECKME!
   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BYTESPERREAD,
     g_param_spec_int("bytesperread","bytesperread","bytesperread",
                      G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); // CHECKME