Class

AVPlayerItemMetadataOutput

An object used to vend collections of metadata items carried in metadata tracks.

Declaration

@interface AVPlayerItemMetadataOutput : AVPlayerItemOutput

Overview

Topics

Initializing a Metadata Output Object

- initWithIdentifiers:

Creates an instance of AVPlayerItemMetadataOutput.

Configuring the Delegate

advanceIntervalForDelegateInvocation

The time interval, in seconds, the player item metadata output object messages its delegate earlier than normal.

delegate

The delegate object.

AVPlayerItemMetadataOutputPushDelegate

Methods you can implement to provide additional metadata.

delegateQueue

The dispatch queue on which messages are sent to the delegate.

- setDelegate:queue:

Sets the delegate and a dispatch queue on which the delegate is called.

Relationships

Inherits From

See Also

Media Item Transfer

AVPlayerItemOutput

The abstract class that defines the common interface for moving samples from an asset to a player.

AVPlayerItemOutputPushDelegate

Methods you can implement to respond to changes in the media data sequence.

AVPlayerItemLegibleOutput

An object that can vend media with a legible characteristic as an attributed string.

AVPlayerItemVideoOutput

An object that coordinates the output of content associated with a Core Video pixel buffer.

AVPlayerItemMediaDataCollector

The abstract base for media data collectors.

Beta Software

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