The allocator has a custom alloc function. Only elements designed to work with this allocator should be using it, other elements should ignore it from allocation propositions. This implies Gst.AllocatorFlags.NO_COPY.
first flag that can be used for custom purposes
When copying a Gst.Memory allocated with this allocator, the copy will instead be allocated using the default allocator. Use this when allocating a new memory is an heavy opperation that should only be done with a Gst.BufferPool for example.
Flags for allocators.