pub unsafe static AVURLAssetOverrideMIMETypeKey: &'static NSStringAvailable on crate feature
AVAsset only.Expand description
Indicates the MIME type that should be used to identify the format of the media resource.
When a value for this key is provided, only the specified MIME type is considered in determining how to handle or parse the media resource. Any other information that may be available, such as the URL path extension or a server-provided MIME type, is ignored.
See also Apple’s documentation