Lets gst.Aggregator.Aggregator sub-classes get the memory allocator acquired by the base class and its params.
Unref the allocator after use it.
the gstreamer.Allocator used
the gstreamer.AllocationParams of allocator
Lets gst.Aggregator.Aggregator sub-classes get the memory allocator acquired by the base class and its params.
Unref the allocator after use it.