Lets #GstBaseTransform sub-classes to know the memory @allocator used by the base class and its @params.
Unref the @allocator after use it.
the #GstAllocator used
the #GstAllocationParams of @allocator
See Implementation
Lets #GstBaseTransform sub-classes to know the memory @allocator used by the base class and its @params.
Unref the @allocator after use it.