Instance Property

preferredRate

The natural rate at which the asset is to be played.

Declaration

var preferredRate: Float { get }

Discussion

This value is often, but not always, 1.0.

See Also

Inspecting an Asset

var duration: CMTime

The duration of the asset.

var providesPreciseDurationAndTiming: Bool

A Boolean value that indicates whether the asset provides precise timing.

var creationDate: AVMetadataItem?

A value that indicates the creation date of the asset.

var naturalSize: CGSize

The encoded or authored size of the visual portion of the asset.

Deprecated
var preferredTransform: CGAffineTransform

The preferred transform to apply to the visual content of the asset for presentation or processing.

var preferredVolume: Float

The preferred volume at which the audible media of the asset is to be played.

var preferredDisplayCriteria: AVDisplayCriteria

The display criteria that define the optimal TV display mode for the asset.

class AVDisplayCriteria

An object containing properties that define the display criteria for a media asset.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

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