docs: mention extra input-selector pad properties

https://bugzilla.gnome.org/show_bug.cgi?id=638381

diff --git a/plugins/elements/gstinputselector.c b/plugins/elements/gstinputselector.c
index 050844b..7ef7be2 100644 (file)
--- a/plugins/elements/gstinputselector.c
+++ b/plugins/elements/gstinputselector.c
@@ -28,6 +28,25 @@
  *
  * Direct one out of N input streams to the output pad.
  *
+ * The input pads are from a GstPad subclass and have additional
+ * properties, which users may find useful, namely:
+ *
+ * <itemizedlist>
+ * <listitem>
+ * "running-time": Running time of stream on pad (#gint64)
+ * </listitem>
+ * <listitem>
+ * "tags": The currently active tags on the pad (#GstTagList, boxed type)
+ * </listitem>
+ * <listitem>
+ * "active": If the pad is currently active (#gboolean)
+ * </listitem>
+ * <listitem>
+ * "always-ok" : Make an inactive pads return #GST_FLOW_OK instead of
+ * #GST_FLOW_NOT_LINKED
+ * </listitem>
+ * </itemizedlist>
+ *
  * Since: 0.10.32
  */