Creates a new #GstDRMDumbAllocator for the specific file desciptor. This function can fail if the file descriptor is not a DRM device or if the DRM device does not support DUMB allocation.
file descriptor of the DRM device
a new DRM Dumb allocator. Use gst.object.ObjectGst.unref to release the allocator after usage.
Creates a new #GstDRMDumbAllocator for the specific file desciptor. This function can fail if the file descriptor is not a DRM device or if the DRM device does not support DUMB allocation.