pub unsafe static AVMetadataExtraAttributeBaseURIKey: Option<&'static AVMetadataExtraAttributeKey>Available on crate feature
AVMetadataFormat only.Expand description
When present in an item’s extraAttributes dictionary, identifies the base URI against which other URIs related to the item are to be resolved, e.g. AVMetadataExtraAttributeValueURIKey. Values for this key are of type NSString.
See also Apple’s documentation