gstreamer: meta: Implement Clone trait
I've implemented it only for the read-only MetaRef
, I don't think we can clone MetaRefMut
as we should be able to only have writable ref.
Edited by Olivier Crête
I've implemented it only for the read-only MetaRef
, I don't think we can clone MetaRefMut
as we should be able to only have writable ref.