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AVFoundation Framework Reference AVMetadataItemFilter Class Reference

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AVMetadataItemFilter

Inheritance


Conforms To


Import Statement


Swift

import AVFoundation

Objective-C

@import AVFoundation;

Availability


Available in iOS 7.0 and later.

The AVMetadataItemFilter class is used to filter selected information from AVMetadataItem objects.

AVMetadataItemFilter instances are opaque, unmodifiable objects, created via the class metadataItemFilterForSharing method.

  • Returns an instance of an metadata filter useful for sharing assets.

    Declaration

    Swift

    class func metadataItemFilterForSharing() -> AVMetadataItemFilter!

    Objective-C

    + (AVMetadataItemFilter *)metadataItemFilterForSharing

    Return Value

    An instance of an AVMetadataItemFilter.

    Discussion

    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.

    Import Statement

    Objective-C

    @import AVFoundation;

    Swift

    import AVFoundation

    Availability

    Available in iOS 7.0 and later.