Create a great video playback experience

4:08 - Setting content external metadata

// Setting content external metadata

let titleItem = AVMutableMetadataItem()
titleItem.identifier = .commonIdentifierTitle
titleItem.value = // Title string

let subtitleItem = AVMutableMetadataItem()
subtitleItem.identifier = .iTunesMetadataTrackSubTitle
subtitleItem.value = // Subtitle string

let infoItem = AVMutableMetadataItem()
infoItem.identifier = .commonIdentifierDescription
infoItem.value = // Descriptive info paragraph

playerItem.externalMetadata = [titleItem, subtitleItem, infoItem]

19:03 - Creating a skip button for a preroll ad

// Creating a skip button for a preroll ad

let eventController = AVPlayerInterstitialEventController(primaryPlayer: mediaPlayer)

let event = AVPlayerInterstitialEvent(primaryItem: interstitialItem, time: .zero)
event.restrictions = [
	.requiresPlaybackAtPreferredRateForAdvancement,
	.constrainsSeekingForwardInPrimaryContent
]

eventController.events.append(event)


func playerViewController(playerViewController: AVPlayerViewController, willPresent interstitial: AVInterstitialTimeRange) {
	showSkipButton(afterTime: 5.0, onPress: {
		eventController.cancelCurrentEvent(withResumptionOffset: CMTime.zero)
	})
}

21:14 - Setting custom playback speeds

// Setting custom playback speeds


let player = AVPlayerViewController()
player.player = // Some AVPlayer

present(player, animated: true)


let newSpeed = AVPlaybackSpeed(rate: 2.5, localizedName: "Two and a half times speed”)

player.speeds.append(newSpeed)

23:02 - Hiding the playback speed menu

// Hiding the playback speed menu


let player = AVPlayerViewController()
player.player = // Some AVPlayer

present(player, animated: true)


player.speeds = []