gstreamer_allocators/subclass/
fd_allocator.rsuse glib::{prelude::*, subclass::prelude::*};
use crate::FdAllocator;
use gst::subclass::prelude::AllocatorImpl;
pub trait FdAllocatorImpl: AllocatorImpl + ObjectSubclass<Type: IsA<FdAllocator>> {}
unsafe impl<T: FdAllocatorImpl> IsSubclassable<T> for FdAllocator {}