clock: API: Add function to re-init periodic GstClockIDs

docs/gst/gstreamer-sections.txt

@@ -405,6 +405,7 @@ gst_clock_get_time
 gst_clock_new_single_shot_id
 gst_clock_new_periodic_id
 gst_clock_single_shot_id_reinit
+gst_clock_periodic_id_reinit
 gst_clock_get_internal_time
 gst_clock_adjust_unlocked
 gst_clock_unadjust_unlocked

gst/gstclock.c

@@ -209,7 +209,7 @@ gst_clock_entry_new (GstClock * clock, GstClockTime time,
   return (GstClockID) entry;
 }
 
-/* WARNING : Does not modify the refoucnt
+/* WARNING : Does not modify the refcount
  * WARNING : Do not use if a pending clock operation is happening on that entry */
 static gboolean
 gst_clock_entry_reinit (GstClock * clock, GstClockEntry * entry,
@@ -250,6 +250,30 @@ gst_clock_single_shot_id_reinit (GstClock * clock, GstClockID id,
       GST_CLOCK_TIME_NONE, GST_CLOCK_ENTRY_SINGLE);
 }
 
+/**
+ * gst_clock_periodic_id_reinit:
+ * @clock: a #GstClock
+ * @id: a #GstClockID
+ * @start_time: the requested start time
+ * @interval: the requested interval
+ *
+ * Reinitializes the provided periodic @id to the provided start time and
+ * interval. Does not modify the reference count.
+ *
+ * Returns: %TRUE if the GstClockID could be reinitialized to the provided
+ * @time, else %FALSE.
+ *
+ * Since: 0.10.33
+ *
+ */
+gboolean
+gst_clock_periodic_id_reinit (GstClock * clock, GstClockID id,
+    GstClockTime start_time, GstClockTime interval)
+{
+  return gst_clock_entry_reinit (clock, (GstClockEntry *) id, start_time,
+      interval, GST_CLOCK_ENTRY_PERIODIC);
+}
+
 /**
  * gst_clock_id_ref:
  * @id: The #GstClockID to ref

gst/gstclock.h

@@ -560,6 +560,10 @@ void			gst_clock_id_unschedule		(GstClockID id);
 gboolean                gst_clock_single_shot_id_reinit (GstClock * clock,
 							 GstClockID id,
 							 GstClockTime time);
+gboolean                gst_clock_periodic_id_reinit    (GstClock * clock,
+							 GstClockID id,
+							 GstClockTime start_time,
+							 GstClockTime interval);
 
 G_END_DECLS
 

win32/common/libgstreamer.def

@@ -220,6 +220,7 @@ EXPORTS
 	gst_clock_id_wait_async_full
 	gst_clock_new_periodic_id
 	gst_clock_new_single_shot_id
+	gst_clock_periodic_id_reinit
 	gst_clock_return_get_type
 	gst_clock_set_calibration
 	gst_clock_set_master