In our Apple TV application, we are using the native AVPlayer for live playback functionality. During live restart playback, we intermittently encounter an error when the playback timeline approaches the actual live event end time. Error: The operation couldn’t be completed. (CoreMediaErrorDomain error -16839 - Unable to get playlist before long download timer) / Failure reason: Scenario: The live event is scheduled from 7:00 AM to 8:00 AM. Restart playback begins at 7:20 AM, allowing the user to watch the event from the start while the live stream continues in real-time. As the restart playback timeline approaches the actual event end time (8:00 AM), AVPlayer displays an error, and playback continues in the background.

Other applications(Calibre, Thorium Reader...) support media overlay even if the rendtion:layout is set to reflowable. Why not Apple book? Apple Books only support media overlay on "pre-paginated".

I use a AVplayer in a window view, I found that when I move the window to different positions, the default behavior is that the sound will change according to the window position. However, in some cases, I don't need this default behavior. I hope the sound doesn't change.

Hi, I'm wondering about one of the properties in the MPNowPlayingInfoCenter: MPNowPlayingInfoPropertyElapsedPlaybackTime. The docs say that updating this property frequently is not required, because the system can automatically calculate elapsed playback time based on the infrequent values we provide. Is performance harmed by updating this property every second? Should I add some filtering/throttling to update this property infrequently? Am I overthinking this, and it doesn't matter either way? Kind regards.

Been enjoying the ios18 Beta. Wanted to provide something I noticed since upgrading to the Beta. When I stop an episode midway through and add the episode back to my queue, my phone now skips the episode as already played. So i either miss the rest of the episode, if I don’t catch it, or have to go back and reset it, to hear the partially finished episode. Hopefully this can be addressed in future updates! :)

Hey there, I'm trying to display all user's albums using the MediaPlayer library. I'm getting many albums returning nil, but I know artwork exists because they show up in the default Music app. There doesn't seem to be much rhyme or reason for what shows up and what doesn't. All downloaded albums display artwork, but some cloud album artwork displays as well. Here's the code I'm using to debug this. let query = MPMediaQuery.albums() if let albumCollections = query.collections { albums = albumCollections } for album in albums { let artwork = album.representativeItem?.artwork print(artwork, artwork?.image(at: CGSize(width: 100, height: 100))) } Any help would be greatly appreciated. Thanks!

Hello ! I am working on an app connected to an external streamer . I would like to display current playing song on the Lock Screen. I tried to update the information in MPNowPlayingInfoCenter but I need to play a sound on my iPhone for the control to be displayed . Is there a way to do it without playing a sound? If not, playing a silent sound would be the only solution ? validated by Apple ? :-/ Thank you Frederic

Hello, I used AVPlayer in my project to play network movie. Most movie could play normally, but I found the sound will disappear sometimes if I play specified 4K video network stream. The video will continue playing but audio stops after video is played for a while. If I pause player and then resume, the sound will be back but disappeared again after several seconds Check AVPlayerItem status: isPlaybackLikelyToKeepUp` == true isPlaybackBufferEmpty` = false player.volume > 0 According the value above, it seems not cause by empty playback buffer or volume issue. I am so confused for this situation. Movie information Video Format : AVC Format/Info : Advanced Video Codec Format profile : High L5.1 Codec ID : avc1 Codec ID/Info : Advanced Video Coding Bit rate mode : Variable Bit rate : 100.0 Mb/s Width : 3 840 pixels Height : 2 160 pixels Display aspect ratio : 16:9 Frame rate mode : Constant Frame rate : 29.970 (30000/1001) FPS Audio Format : AAC LC Format/Info : Advanced Audio Codec Low Complexity Codec ID : mp4a-40-2 Duration : 5 min 19 s Bit rate mode : Constant Bit rate : 192 kb/s Nominal bit rate : 48.0 kb/s Channel(s) : 2 channels Channel layout : L R Sampling rate : 48.0 kHz Frame rate : 46.875 FPS (1024 SPF) Does anyone know if AVPlayer has this limitations when playing high-bitrate movie streams, and are there any solutions?

https://uclient-api.itunes.apple.com/WebObjects/MZStorePlatform.woa/wa/lookup?version=2&id=1515995528&p=mdm-lockup&caller=MDM&platform=enterprisestore&cc=IN return blank result when parameter platform=enterprisestore is added for india location when platform=enterprisestore is removed for india location result is there. https://uclient-api.itunes.apple.com/WebObjects/MZStorePlatform.woa/wa/lookup?version=2&id=1515995528&p=mdm-lockup&caller=MDM&cc=IN

I tried configuring the preferredForwardBufferDuration on devices using 4G and Wi-Fi, and in these cases, AVPlayer works correctly according to the configured buffer duration. However, when the device is connected to a 5G network, the configuration value no longer works. For example, if I set preferredForwardBufferDuration to 30 seconds, AVPlayer preloads with a buffer of over 100 seconds. I’m not sure how to resolve this, as it’s causing issues with my system.

We are experiencing an issue with our HLS MPEG-TS streams on Apple devices, where the AVPlayer in our iOS app and Safari jumps back to the start when the player automatically changes quality. This occurs despite the stream still indicating that it is live and there is no change in the seekbar. After testing our streams with the Apple HLS Validator, the only problem that occured was an "Measured peak bitrate compared to multivariant playlist declared value exceeds error tolerance"-Error. On Chrome and on our Android-App this playback bug does not happen. Has someone else experienced similar issues with the AVPlayer?

Hello, we have HLS stream app and we use AVPlayer for HLS stream. We want to implement dynamic resulotion feature as user's selection. For example, if user want to watch only 1080p user has to watch only 1080p but we have tried to implement "preferredMaximumResolution" and "preferredPeakBitRate" parameters and but AVPlayer does not force it which means that setting preferredMaximumResolution= CGSize(width: 1920, height: 1080) player does not only force to play 1080p profile, player drops resulotion to 720p but we do not want 720p stream if user selected 1080p resulotion. Is there any method to force it even if stream stalls? Thank you in advance

Having an issue playing songs fetched with MusicKit but only on release builds, ApplicationMusicPlayer.shared.prepareToPlay() throws "The operation couldn’t be completed. (MPMusicPlayerControllerErrorDomain error 6.)" The authorization status is .authorized The debug version of the app works perfectly. Here is my project for the reference. Thank you. macOS 15.0.1, Xcode 16.0

Hey all! in my personal quest to make future proof apps moving to Swift 6, one of my app has a problem when setting an artwork image in MPNowPlayingInfoCenter Here's what I'm using to set the metadata func setMetadata(title: String? = nil, artist: String? = nil, artwork: String? = nil) async throws { let defaultArtwork = UIImage(named: "logo")! var nowPlayingInfo = [ MPMediaItemPropertyTitle: title ?? "***", MPMediaItemPropertyArtist: artist ?? "***", MPMediaItemPropertyArtwork: MPMediaItemArtwork(boundsSize: defaultArtwork.size) { _ in defaultArtwork } ] as [String: Any] if let artwork = artwork { guard let url = URL(string: artwork) else { return } let (data, response) = try await URLSession.shared.data(from: url) guard (response as? HTTPURLResponse)?.statusCode == 200 else { return } guard let image = UIImage(data: data) else { return } nowPlayingInfo[MPMediaItemPropertyArtwork] = MPMediaItemArtwork(boundsSize: image.size) { _ in image } } MPNowPlayingInfoCenter.default().nowPlayingInfo = nowPlayingInfo } the app crashes when hitting MPMediaItemPropertyArtwork: MPMediaItemArtwork(boundsSize: defaultArtwork.size) { _ in defaultArtwork } or nowPlayingInfo[MPMediaItemPropertyArtwork] = MPMediaItemArtwork(boundsSize: image.size) { _ in image } commenting out these two make the app work again. Again, no clue on why. Thanks in advance

How can I make my app support this recommendation? Is there any relevant documentation?

I am trying to listen to a podcast, but for some reason; a message keep pops up saying: This podcast can't be played due to restrictions set for this device. This happens once I installed the latest IOS. Is there any solutions for this issue?

My App is live on app store , user are using it with iPhone 16 pro max and they are getting Operation Stopped while combining videos and audios only specifically on iPhone 16 pro max , on every other device its working fine. And When i adding AVAssetExportPresetPassthrough it able to combine videos and audios but not respecting the encoding and without audio. NSArray *compatiblePresets = [AVAssetExportSession exportPresetsCompatibleWithAsset:composition]; if ([compatiblePresets containsObject:AVAssetExportPresetHighestQuality]) { presetName = AVAssetExportPresetHighestQuality; } else if ([compatiblePresets containsObject:AVAssetExportPreset1920x1080]) { presetName = AVAssetExportPreset1920x1080; } else if ([compatiblePresets containsObject:AVAssetExportPreset1280x720]) { presetName = AVAssetExportPreset1280x720; } else { presetName = AVAssetExportPresetPassthrough; } } else { presetName = AVAssetExportPreset1280x720; }

After installing iOS 18, the iPhone would have consistent low volume and from this low, it wants to go more down suddenly when playing some media and gets back to its normal condition (already low) itself. I have tried several things from Internet like forced restart, several times restart, turning on vocal shortcut and turning it off back, but nothing helped. Any suggestions? Its Iphone 16 pro max by the way

I have an app that plays sound files stored locally. I'm using a single SwiftUI view with a MPVolumeView so the user can control system volume from the player in my app. When I'm playing the sound file on the iPhone, my volume slider operates as expected. When I AirPlay to my AppleTV, the volume slider still works to control the volume, but when I hit play in my app, the volume snaps to a different value, but actual sound volume doesn't change. Control still works. Flipping to control center, I see a volume mismatch between system volume and the MPVolumeView. Here's the code that I use to put the slider in my app. struct VolumeSlider: UIViewRepresentable { func makeUIView(context: Context) -> MPVolumeView { let vv = MPVolumeView(frame: .zero) vv.showsVolumeSlider = true vv.setVolumeThumbImage(UIImage() ,for: UIControl.State.normal) return vv } func updateUIView(_ uiView: MPVolumeView, context: Context) { // No need to update the view in this case } } I'm using AVFoundation and AVAudioPlayer to playback the sound file. I'm using MediaPlayer to tell MPNowPlayingInfoCenter the track info and AlbumArt. Audio control via control center works perfectly. Does the same if I target iOS 16 or 17. Is this a bug with the MPVolumeView or the way I added it to the app?

Our app, Universalis (Apple ID 284942719) plays audio successfully on all versions of iOS up to and including iOS 17. It uses the old MediaPlayer interface because it is targeted at versions all the way down to iOS 12. On iOS 18, it plays audio but CarPlay fails to show the Now Playing screen. Instead, a message box pops up in CarPlay saying "There was a problem loading this content", with an OK button. Nevertheless the audio plays correctly. This has been reported in the wild by a user of iOS 18 with CarPlay. I am also able to reproduce it locally, running the app in Xcode with the CarPlay Simulator, with an iPhone using iOS 18.0 or iOS 18.1. Earlier versions work correctly. Looking at the console log in CarPlay, the following error message appears about 10 seconds before the error message pops up: MSVEntitlementUtilities - Process Universalis PID[1173] - Group: (null) - Entitlement: com.apple.mediaremote.external-artwork-validation - Entitled: NO - Error: (null) The message has an orange background which appears to mean that it does not come directly from NSLog in the app. The message appears immediately after the request handler of MPMediaItemArtwork has been called requesting a 128 x 128 image and has successfully returned a 128x128 UIImage object. This has been reported through Feedback Assistant: Bug report ID is FB15343941 How can we work round this error?