Add initial support for setting/getting element class fields

1 files changed, 48 insertions, 0 deletions

diff --git a/gstreamer-sharp/Element.custom b/gstreamer-sharp/Element.custom
index 9ab37ec..31e56b3 100644
--- a/gstreamer-sharp/Element.custom
+++ b/gstreamer-sharp/Element.custom
@@ -188,6 +188,54 @@ public Gst.QueryType[] GetQueryTypes () {
 		public bool SendEvent(Gst.Event evnt) {
 			bool raw_ret = gst_element_send_event(Handle, evnt == null ? IntPtr.Zero : gst_mini_object_ref (evnt.Handle));
 			bool ret = raw_ret;
 			return ret;
 		}
 
+[DllImport("gstreamer-0.10.dll")]
+static extern void gst_element_class_add_pad_template (IntPtr klass, IntPtr templ);
+
+protected static void AddPadTemplate (GLib.GType gtype, Gst.PadTemplate templ) {
+  IntPtr class_ptr = new IntPtr (gtype.ClassPtr.ToInt64 ());
+  gst_element_class_add_pad_template (class_ptr, templ.Handle);
+}
+
+[DllImport("gstreamer-0.10.dll")]
+static extern IntPtr gst_element_class_get_pad_template (IntPtr klass, IntPtr name);
+
+public Gst.PadTemplate GetPadTemplate (string name) {
+  GLib.GType gtype = this.LookupGType ().ThresholdType;
+  IntPtr class_ptr = new IntPtr (gtype.ClassPtr.ToInt64 ());
+  IntPtr native_name = GLib.Marshaller.StringToPtrGStrdup (name);
+  IntPtr raw_ret = gst_element_class_get_pad_template (class_ptr, native_name);
+  GLib.Marshaller.Free (native_name);
+
+  return GLib.Object.GetObject (raw_ret, false) as Gst.PadTemplate;
+}
+
+[DllImport("gstreamer-0.10.dll")]
+static extern IntPtr gst_element_class_get_pad_template_list (IntPtr klass);
+
+public Gst.PadTemplate[] GetPadTemplates () {
+  GLib.GType gtype = this.LookupGType ().ThresholdType;
+  IntPtr class_ptr = new IntPtr (gtype.ClassPtr.ToInt64 ());
+  IntPtr raw_ret = gst_element_class_get_pad_template_list (class_ptr);
+
+  return (Gst.PadTemplate[]) GLib.Marshaller.ListPtrToArray (raw_ret, typeof(GLib.List), false, false, typeof(Gst.PadTemplate));
+}
+
+[DllImport("gstreamer-0.10.dll")]
+static extern void gst_element_class_set_details_simple (IntPtr klass, IntPtr longname, IntPtr classification, IntPtr desc, IntPtr author);
+
+protected static void SetDetails (GLib.GType gtype, string longname, string klass, string description, string author) {
+  IntPtr class_ptr = new IntPtr (gtype.ClassPtr.ToInt64 ());
+  IntPtr native_longname = GLib.Marshaller.StringToPtrGStrdup (longname);
+  IntPtr native_klass = GLib.Marshaller.StringToPtrGStrdup (klass);
+  IntPtr native_desc = GLib.Marshaller.StringToPtrGStrdup (description);
+  IntPtr native_author = GLib.Marshaller.StringToPtrGStrdup (author);
+  gst_element_class_set_details_simple (class_ptr, native_longname, native_klass, native_desc, native_author);
+
+  GLib.Marshaller.Free (native_longname);
+  GLib.Marshaller.Free (native_klass);
+  GLib.Marshaller.Free (native_desc);
+  GLib.Marshaller.Free (native_author);
+}