gstelement: add gst_element_class_add_pad_template_from_static

This function helps ensure the pad template is unreffed
without having to complicate the calling code.

https://bugzilla.gnome.org/show_bug.cgi?id=662664

diff --git a/gst/gstelement.c b/gst/gstelement.c
index b101b6b..afa25b9 100644 (file)
--- a/gst/gstelement.c
+++ b/gst/gstelement.c
@@ -1331,6 +1331,30 @@ gst_element_class_add_pad_template (GstElementClass * klass,
   klass->numpadtemplates++;
 }
 
+/**
+ * gst_element_class_add_static_pad_template:
+ * @klass: the #GstElementClass to add the pad template to.
+ * @templ: (transfer none): a #GstStaticPadTemplate describing the pad
+ * to add to the element class.
+ *
+ * Adds a padtemplate to an element class. This is mainly used in the _base_init
+ * functions of classes.
+ *
+ * Since: 0.10.36
+ */
+void
+gst_element_class_add_static_pad_template (GstElementClass * klass,
+    GstStaticPadTemplate * templ)
+{
+  GstPadTemplate *pt;
+
+  g_return_if_fail (GST_IS_ELEMENT_CLASS (klass));
+
+  pt = gst_static_pad_template_get (templ);
+  gst_element_class_add_pad_template (klass, pt);
+  gst_object_unref (pt);
+}
+
 static void
 gst_element_class_add_meta_data (GstElementClass * klass,
     const gchar * key, const gchar * value)

diff --git a/gst/gstelement.h b/gst/gstelement.h
index e22999c..5c3286f 100644 (file)
--- a/gst/gstelement.h
+++ b/gst/gstelement.h
@@ -680,6 +680,7 @@ struct _GstElementClass
 
 /* element class pad templates */
 void                    gst_element_class_add_pad_template      (GstElementClass *klass, GstPadTemplate *templ);
+void                    gst_element_class_add_static_pad_template      (GstElementClass *klass, GstStaticPadTemplate *templ);
 GstPadTemplate*         gst_element_class_get_pad_template      (GstElementClass *element_class, const gchar *name);
 GList*                  gst_element_class_get_pad_template_list (GstElementClass *element_class);
 

diff --git a/win32/common/libgstreamer.def b/win32/common/libgstreamer.def
index f7a7974..1fafc21 100644 (file)
--- a/win32/common/libgstreamer.def
+++ b/win32/common/libgstreamer.def
@@ -299,6 +299,7 @@ EXPORTS
        gst_element_add_pad
        gst_element_change_state
        gst_element_class_add_pad_template
+       gst_element_class_add_static_pad_template
        gst_element_class_get_pad_template
        gst_element_class_get_pad_template_list
        gst_element_class_install_std_props