AVMetadataItemFilter class is used to filter selected information from
AVMetadataItemFilter instances are opaque, unmodifiable objects, created via the class
Returns an instance of an metadata filter useful for sharing assets.
class func metadataItemFilterForSharing() -> AVMetadataItemFilter
+ (AVMetadataItemFilter *)metadataItemFilterForSharing
An instance of an
Removes user-identifying metadata items, such as location information and leaves only metadata releated to commerce or playback itself. For example: playback, copyright, and commercial-related metadata, such as a purchaser’s ID as set by a vendor of digital media, along with metadata either derivable from the media itself or necessary for its proper behavior are all left intact.
Available in iOS 7.0 and later.