X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gst%2Fgsttypefindfactory.c;h=fb5c098495b04bc036dfb2e54b3ac48b3a909a01;hb=ce43de86902c4e9c8ed4e9682602664cb9bce2ee;hp=be461cbefd95645e67747db249dc9ab8ee91ec56;hpb=c2c977602754ca2c471482839deb421925014025;p=platform%2Fupstream%2Fgstreamer.git

diff --git a/gst/gsttypefindfactory.c b/gst/gsttypefindfactory.c
index be461cb..fb5c098 100644
--- a/gst/gsttypefindfactory.c
+++ b/gst/gsttypefindfactory.c
@@ -15,22 +15,24 @@
  *
  * You should have received a copy of the GNU Library General Public
  * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
  */
 
 /**
  * SECTION:gsttypefindfactory
+ * @title: GstTypeFindFactory
  * @short_description: Information about registered typefind functions
  *
- * These functions allow querying informations about registered typefind
+ * These functions allow querying information about registered typefind
  * functions. How to create and register these functions is described in
  * the section <link linkend="gstreamer-Writing-typefind-functions">
  * "Writing typefind functions"</link>.
  *
- * <example>
- *   <title>how to write a simple typefinder</title>
- *   <programlisting>
+ * The following example shows how to write a very simple typefinder that
+ * identifies the given data. You can get quite a bit more complicated than
+ * that though.
+ * |[<!-- language="C" -->
  *   typedef struct {
  *     guint8 *data;
  *     guint size;
@@ -70,14 +72,7 @@
  *     g_list_free (type_list);
  *     return find.caps;
  *   };
- *   </programlisting>
- * </example>
- *
- * The above example shows how to write a very simple typefinder that
- * identifies the given data. You can get quite a bit more complicated than
- * that though.
- *
- * Last reviewed on 2005-11-09 (0.9.4)
+ * ]|
  */
 
 #include "gst_private.h"
@@ -144,7 +139,7 @@ gst_type_find_factory_dispose (GObject * object)
  * list using gst_plugin_feature_list_free().
  *
  * The returned factories are sorted by highest rank first, and then by
- * factory name. (behaviour change since 0.10.26)
+ * factory name.
  *
  * Free-function: gst_plugin_feature_list_free
  *
@@ -154,7 +149,7 @@ gst_type_find_factory_dispose (GObject * object)
 GList *
 gst_type_find_factory_get_list (void)
 {
-  return gst_registry_get_feature_list (gst_registry_get_default (),
+  return gst_registry_get_feature_list (gst_registry_get (),
       GST_TYPE_TYPE_FIND_FACTORY);
 }
 
@@ -180,18 +175,18 @@ gst_type_find_factory_get_caps (GstTypeFindFactory * factory)
  *
  * Gets the extensions associated with a #GstTypeFindFactory. The returned
  * array should not be changed. If you need to change stuff in it, you should
- * copy it using g_strdupv().  This function may return NULL to indicate
+ * copy it using g_strdupv().  This function may return %NULL to indicate
  * a 0-length list.
  *
- * Returns: (transfer none) (array zero-terminated=1) (element-type utf8): a
- *     NULL-terminated array of extensions associated with this factory
+ * Returns: (transfer none) (array zero-terminated=1) (element-type utf8) (nullable):
+ *     a %NULL-terminated array of extensions associated with this factory
  */
-gchar **
+const gchar *const *
 gst_type_find_factory_get_extensions (GstTypeFindFactory * factory)
 {
   g_return_val_if_fail (GST_IS_TYPE_FIND_FACTORY (factory), NULL);
 
-  return factory->extensions;
+  return (const gchar * const *) factory->extensions;
 }
 
 /**
@@ -222,3 +217,21 @@ gst_type_find_factory_call_function (GstTypeFindFactory * factory,
     gst_object_unref (new_factory);
   }
 }
+
+/**
+ * gst_type_find_factory_has_function:
+ * @factory: A #GstTypeFindFactory
+ *
+ * Check whether the factory has a typefind function. Typefind factories
+ * without typefind functions are a last-effort fallback mechanism to
+ * e.g. assume a certain media type based on the file extension.
+ *
+ * Returns: %TRUE if the factory has a typefind functions set, otherwise %FALSE
+ */
+gboolean
+gst_type_find_factory_has_function (GstTypeFindFactory * factory)
+{
+  g_return_val_if_fail (GST_IS_TYPE_FIND_FACTORY (factory), FALSE);
+
+  return (factory->function != NULL);
+}