The GDestroyNotify function to use to free the GstDataQueueItem This function should also drop the reference to object the owner of the GstDataQueueItem is assumed to hold.
the duration in GstClockTime of the miniobject. Can not be GST_CLOCK_TIME_NONE.
the gstreamer.MiniObject to queue.
the size in bytes of the miniobject.
TRUE if object should be considered as a visible object.
Structure used by gst.DataQueue.DataQueue You can supply a different structure, as long as the top of the structure is identical to this structure.