Class

AVPlayerItemTrack

An object used to modify the presentation state of an asset track being presented by a player.

Declaration

class AVPlayerItemTrack : NSObject

Topics

Configuring Track Properties

var assetTrack: AVAssetTrack?

The asset track for which the player item represents presentation state.

var isEnabled: Bool

A Boolean value that indicates whether the track is enabled for presentation during playback.

var currentVideoFrameRate: Float

The current frame rate of the video track as it plays.

var videoFieldMode: String?

A mode that specifies the handling of video frames that contain multiple fields.

Relationships

Inherits From

Conforms To

See Also

Media Playback

class AVPlayer

An object that provides the interface to control the player’s transport behavior.

class AVQueuePlayer

A player used to play a number of items in sequence.

class AVPlayerLayer

An object that manages a player's visual output.

class AVPlayerItem

An object used to model the timing and presentation state of an asset played by the player.

class AVSynchronizedLayer

An object used to synchronize with a specific player item.

class AVPlayerItemMetadataCollector

An object used to capture the date range metadata defined for an HTTP Live Streaming asset.

class AVPlayerMediaSelectionCriteria

An object that specifies the preferred languages and media characteristics for a player.

class AVSampleBufferAudioRenderer

An object used to decompress audio and play compressed or uncompressed audio.

class AVSampleBufferDisplayLayer

An object that displays compressed or uncompressed video frames.

class AVSampleBufferRenderSynchronizer

An object used to synchronize multiple queued sample buffers to a single timeline.