GstScheduler Abstract class for objects that manage the scheduling of groups of elements This is a base class for custom schedulers. Flags for the scheduler @GST_SCHEDULER_FLAG_LAST: subclasses can start numbering their flags starting from here. Get the parent object of this scheduler. @sched: the scheduler to get the parent of. Get the state of the scheduler. @sched: the scheduler to get the state of. @sched: @sched: @sched: @element: @id: @jitter: @Returns: @clock: @time: @sched: