I am building an app for MacOS and I am trying to implement the code to add songs to a library playlist (which is added below). The issue I am having is that if I use Music Kit to load a users library playlists, the ID for the playlist (which is just a string of numbers) does not work with the Add tracks to a Library Playlist endpoint of Apple Music API. If I retrieve the playlists from the Apple Music API and use that playlist ID (which is different than the id I get from MusicKit) my code works fine and adds the song to the playlist. The problem is that when getting a users library playlists from Apple Music API is that it does not give me all of the library playlists that I get when using Music Kit and it also does not give me Artwork for playlists that have the collage of album covers, so I would prefer to use Music Kit to get the playlists. I have also tested trying to retrieve a single playlist using the Apple Music API with the playlist Id from Music Kit and it does not work. I get the error that the resource cannot be found. Since this is a macOs app I cannot use MusicKit to add songs to library playlists. Does anyone know a way to resolve this? Or a possible workaround? Ideally I want to use MusicKit to get the library playlists and have some way to use the playlist Id and add songs to that playlist. Below is my code for adding a song to a playlist using the Apple Music API, which works correctly only if I originally get the library playlist's id value from a playlist retrieved from the Apple Music API. Also, does anyone know why the playlist Id's are not universal and are different when using Music Kit and Apple Music API? For songs and tracks it does not seem to matter if I use music kit or Apple Music API, the Id's are in the correct format for Apple Music API to use and work with my code. Thanks everyone for any and all help! func addToPlaylist(songs: [Track], playlist: Playlist, alert: Binding<AlertItem?>) async { let tracks = AppleMusicPlaylistPostRequestBody(data: songs.compactMap { AppleMusicPlaylistPostRequestItem(id: $0.id.rawValue, type: "songs") // or "library-songs" }) let playlistID = playlist.id // Build the request URL for adding a song to a playlist guard let url = URL(string: "https://api.music.apple.com/v1/me/library/playlists/\(playlistID)/tracks") else { alert.wrappedValue = AlertItem(title: "Error", message: "Invalid URL for the playlist.") return } // Authorization Header guard let musicUserToken = try? await MusicUserTokenProvider().getUserMusicToken() else { alert.wrappedValue = AlertItem(title: "Error", message: "Unable to retrieve Music User Token.") return } do { var request = URLRequest(url: url) request.httpMethod = "POST" request.setValue("Bearer \(musicUserToken)", forHTTPHeaderField: "Authorization") request.setValue("application/json", forHTTPHeaderField: "Content-Type") let encoder = JSONEncoder() let data = try encoder.encode(tracks) request.httpBody = data let musicRequest = MusicDataRequest(urlRequest: request) let musicRequestResponse = try await musicRequest.response() // Check if the request was successful (status 201) if musicRequestResponse.urlResponse.statusCode == 201 { alert.wrappedValue = AlertItem(title: "Success", message: "Song successfully added to the playlist.") } else { print("Status Code: \(musicRequestResponse.urlResponse.statusCode)") print("Response Data: \(String(data: musicRequestResponse.data, encoding: .utf8) ?? "No Data")") // Attempt to decode the error response into the AppleMusicErrorResponse model if let appleMusicError = try? JSONDecoder().decode(AppleMusicErrorResponse.self, from: musicRequestResponse.data) { let errorMessage = appleMusicError.errors.first?.detail ?? "Unknown error occurred." alert.wrappedValue = AlertItem(title: "Error", message: errorMessage) } else { alert.wrappedValue = AlertItem(title: "Error", message: "Failed to add song to the playlist.") } } } catch { alert.wrappedValue = AlertItem(title: "Error", message: "Network error: \(error.localizedDescription)") } }

Hi, I am trying to enable the default MIDINetworkSession in a Catalyst app on MacOS like this: MIDINetworkSession.default().isEnabled = true MIDINetworkSession.default().connectionPolicy = .anyone In the AppSandbox I have both incoming and outgoing network connections enabled. And I also added the NSLocalNetworkUsageDescription key to the info.plist. Bonjour services are also added to the info.plist: NSBonjourServices _apple-midi._udp. Nevertheless the session stays disabled. Running the same code works just fine on iOS. Is there any special setup I need to make on MacOS to enable the MIDINetworkSession? Thanks!

I'm building a camera app that does some post processing after the photo has been taken. With 12MP the processing is pretty good, but larger images 24MP is very slow. I created a very simple example to demonstrate the issue, which is loading an image and the rendering it to data. let context = CIContext() let imageUrl = Bundle.main.url(forResource: "12mp", withExtension: "jpg")! let data = try! Data(contentsOf: imageUrl) let ciImage = CIImage(data: data)! let start = CFAbsoluteTimeGetCurrent() let data = context.jpegRepresentation(of: ciImage, colorSpace: context.workingColorSpace!) print(data?.count) print("Resize Completed: " + String(CFAbsoluteTimeGetCurrent() - start)) Running this code on an iPhone 16 Pro with different images produces these benchmarks: 12MP => 0.03s 24MP => 1.22s 48MP => 2.98s I understand that processing time will increase with resolution but it doesn't seem linear. I have tried setting different CiContext options such as .useSoftwareRenderer: false but it has made no difference. From profiling the process it looks like the JPEG decoding is the bottle neck. This is for a 48MP Image: Is there any way this can be improved?

I've been working with MusicKit without enrolling for a developer account and I haven't run into any issues until I noticed nil on the SysteyMusicPlayer item for some songs and I don't understand why. Are some songs blocked from the framework? Or is it somehow a limitation to not having registered MusicKit to the bundle ID? I am planning on using MusicKit properly in prod and this is just a test app for a package I'm working on. These are the nil songs which I got from the Discovery Station: https://music.apple.com/ca/album/okay/950816298?i=950816304 https://music.apple.com/ca/album/youre-so-cool/1670485433?i=1670485446

Hello, I'm sporadically getting the unknown CoreHaptics error described in the title, when trying to create a CHHapticPatternPlayer from an .ahap file — this does not occur in a repeatable manner, unfortunately... This occurs in a SpriteKit game, running on both iOS 17 and 18. Anyone know what the error means, since it's apparently undocumented? Note that the haptics engine is started right before creating the pattern, and the start request doesn't appear to fail... Thanks, D.

I'm unable to play music using Musickit.js in the Chrome or Firefox browsers. Even using the apple guide here: https://js-cdn.music.apple.com/musickit/v1/index.html - I've added my Music Developer Token and song/album url, but it only works in Safari and not in Chrome or Firefox. I'm unsure if this is a global issue, or if there is something I need to do to enable playback in other browsers, but as it stands it's not working for me. Thanks for any help in advance!

Hi, is there a way to display the animated cover art in an app? Not every album has a cover art but for the ones that have one I would like to display them instead of the artwork. Thank you :)

I use the iTunes Library framework in one of my apps, starting with macOS Sequoia 15.1 i can't create the ITLibrary object anymore with the following error: Connection to amplibraryd was interrupted. clientName:iTunesLibrary(ITLibraryLoader) Error connecting to the server via proxy object Error Domain=NSCocoaErrorDomain Code=4097 "connection to service named com.apple.amp.library.framework" UserInfo={NSDebugDescription=connection to service named com.apple.amp.library.framework} configure failed: Error Domain=NSCocoaErrorDomain Code=4097 "connection to service named com.apple.amp.library.framework" UserInfo={NSDebugDescription=connection to service named com.apple.amp.library.framework} I created a new sandboxed macOS app, added the music folder read permission and it reproduced the error: import SwiftUI import iTunesLibrary @main struct ITLibraryLoaderApp: App { var body: some Scene { WindowGroup { ContentView() } } } struct ContentView: View { var body: some View { Button("Load ITLibrary") { loadLibrary() } } func loadLibrary() { do { let _ = try ITLibrary(apiVersion: "1.0", options: .none) } catch { print(error) } } } I restarted my developer machine and the music app with no luck.

Will the restrictions on callkit be lifted in China in 2025? If so, how can you legally use callkit in China?

Hi, On macOS Sonoma and earlier versions, I used my script along with a LaunchDaemon to continuously record my screen. However, after upgrading to macOS Sequoia, the LaunchDaemon no longer works for screen recording. It only works when I use a LaunchAgent. For my workflow, using a LaunchDaemon and running the ffmpeg process as root is much more efficient than running it as a regular user. Does anyone know how to run a script in the background using a LaunchDaemon on macOS Sequoia? Here are my LaunchDaemon plist and script: LaunchDaemon plist: &lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"&gt; &lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"&gt; &lt;plist version="1.0"&gt; &lt;dict&gt; &lt;key&gt;Label&lt;/key&gt; &lt;string&gt;local.ScreenRecord&lt;/string&gt; &lt;key&gt;Disabled&lt;/key&gt; &lt;false/&gt; &lt;key&gt;RunAtLoad&lt;/key&gt; &lt;true/&gt; &lt;key&gt;KeepAlive&lt;/key&gt; &lt;true/&gt; &lt;key&gt;Nice&lt;/key&gt; &lt;integer&gt;-20&lt;/integer&gt; &lt;key&gt;ProgramArguments&lt;/key&gt; &lt;array&gt; &lt;string&gt;/bin/bash&lt;/string&gt; &lt;string&gt;/usr/local/distrib/record.bash&lt;/string&gt; &lt;/array&gt; &lt;/dict&gt; &lt;/plist&gt; Script ## !!! START CONFIGURATION !!! # FFMPEG_LOC="/usr/local/distrib/ffmpeg" FFMPEG_INPUT="-hide_banner -f avfoundation -capture_cursor 1 -pixel_format uyvy422" FFMPEG_VSET="-codec libx264 -r 22 -crf 26 -preset veryfast -b:v 5M -maxrate 7M -bufsize 14M" TIME_REC="-t 600" FOLDER_REC="/usr/local/distrib/REC/" # ## !!! END CONFIGURATION !!! # # Find number id monitor MON_ID=$($FFMPEG_LOC -hide_banner -f avfoundation -list_devices true -i "" 2&gt;&amp;1 | awk -F'[]|[]' '/Capture\ screen/ {print $4}') # if [ -n "$MON_ID" ] then # Time for name DATE_REC=$(date +"%m-%d-%Y_%H-%M-%S") # Number of output video file OUTPUT_NUM=0 # Full command to record FFMPEG_FULL_COMMAND="" for MON_NUM in $MON_ID do FFMPEG_FULL_COMMAND=""$FFMPEG_FULL_COMMAND" "$FFMPEG_INPUT" -i "$MON_NUM" "$FFMPEG_VSET" "$TIME_REC" -map "$OUTPUT_NUM" "$FOLDER_REC""$DATE_REC"_Mon"$MON_NUM".mkv" let OUTPUT_NUM=$OUTPUT_NUM+1 done $FFMPEG_LOC $FFMPEG_FULL_COMMAND else echo "No monitors" sleep 5 fi

We use BassDSDPlayer / SFBAudioEngine to play just about any file, but playing Apple Music is failing. All subscriptions are up to date. We stop the SFBAudioEngine and the BassDSDPlayer before playing Apple Music to no avail. PRINTS: Supported files in /Users/dorian/Music/Music/Media.localized/Music/4: 28364 Apple Music is authorized and can play catalog. Resetting default output device... Releasing BassDSDPlayer audio device... BassDSDPlayer: Audio device released. STOPPED sfbAudioDevice Default output device is ID: 76 applicationQueuePlayer _establishConnectionIfNeeded timeout [ping did not pong] applicationQueuePlayer _establishConnectionIfNeeded timeout [ping did not pong] Player State - After resetting output: Playback Status: stopped Queue Count: 0 No track is playing. Music player reset successfully. BassDSDPlayer: Audio device released. Default output device set successfully: 76 Default output device is ID: 76 Default output device set successfully: 76 Default output device ID: 76 Validated PlayParameters for track: squabble up PlayParameters: PlayParameters(id: 1781270321, kind: "song", isLibrary: nil, catalogID: nil, libraryID: nil, deviceLocalID: nil, rawValues: [:]) Starting playback... Player State - After playback: Playback Status: stopped Queue Count: 1 No track is playing. Notification BASS DSD NSConcreteNotification 0x600007ce2b00 {name = kUpdateSongInfo; object = { AlbumTitle = GNX; ArtistName = "Kendrick Lamar"; SongArtwork = "<NSImage 0x6000041b7ca0 Size={300, 300} RepProvider=<NSImageArrayRepProvider: 0x600003518770, reps:(\n "NSBitmapImageRep 0x600009ed9dc0 Size={300, 300} ColorSpace=(not yet loaded) BPS=8 BPP=(not yet loaded) Pixels=300x300 Alpha=NO Planar=NO Format=(not yet loaded) CurrentBacking=nil (faulting) CGImageSource=0x600007ce15c0"\n)>>"; SongLength = "157.992"; SongTitle = "squabble up"; Source = AppleMusic; }} Apple Music track loaded: squabble up by Kendrick Lamar Player State - Before play: Playback Status: stopped Queue Count: 1 No track is playing. prepareToPlay failed [no target descriptor] NSError Code: 1, Domain: MPMusicPlayerControllerErrorDomain Player State - After play: Playback Status: stopped Queue Count: 1 No track is playing. func playAppleMusicTracks(tracks: [Track]) { AppleMusicManager.shared.isAuthorizedAndReadyForPlayback { isAuthorized in guard isAuthorized else { print("Apple Music authorization or capabilities insufficient for playback.") return } print("Resetting default output device...") self.stopSFBAudioDevice() self.resetMusicPlayer() self.resetAudioSystem() self.ensureOutputDeviceReady() Task { for track in tracks { guard self.validatePlayParameters(for: track) else { continue } do { try await ApplicationMusicPlayer.shared.queue.insert(track, position: .afterCurrentEntry) guard !ApplicationMusicPlayer.shared.queue.entries.isEmpty else { print("Queue is empty after queuing. Playback cannot proceed.") return } self.notifyAppleMusicTrackInfo(track) } catch { print("Error starting playback: \(error)") if let nsError = error as NSError? { print("NSError Code: \(nsError.code), Domain: \(nsError.domain)") } } } MusicKitWrapper.shared.logPlayerState(message: "After playback") } } } @objc public class MusicKitWrapper: NSObject { @objc public static let shared = MusicKitWrapper() private let player = ApplicationMusicPlayer.shared // Play the current track @objc public func play() { guard !player.queue.entries.isEmpty else { print("Queue is empty. Cannot start playback.") return } logPlayerState(message: "Before play") Task { do { try await player.prepareToPlay() try await player.play() print("Playback started successfully.") } catch { if let nsError = error as NSError? { print("NSError Code: \(nsError.code), Domain: \(nsError.domain)") } } logPlayerState(message: "After play") } } Any help would be appreciated. Thanks!

I'm playing library items (MPMediaItem) and apple music tracks (Track) in MPMusicPlayerApplicationController.applicationQueuePlayer, but I can't use the actual Queue functionality because I can't figure out how to get both media types into the same queue. If there's a way to get both types in a single queue, that would solve my problem, but I've given up on that one. Because I can't use a queue, I have to be able to detect when a song ends so that I can put the next song in the queue and play it. The only way I can figure out to detect when a song ends is by watching the playBackState, and I've actually got that pretty much working, but it's really ugly, because you get playBackState of paused when a song ends, and when a bluetooth speaker disconnects, etc. The only answer I've been able to find on the internet is to watch the MPMusicPlayerControllerNowPlayingItemDidChange, and when that fires, and the nowPlayingItem is NIL, a song ends.. but that's not the case. When a song ends, the nowPlayingItem remains the same. There's got to be an answer to this problem, right?

Hello everyone, I am currently working on an app project aimed at users who want to quickly and easily capture their ideas and notes while on the go. The basic concept is to develop an iOS app where users can store both typed notes and voice recordings – essentially a "brain dump" solution. The core functionality (storing, editing, synchronizing via CloudKit, etc.) will be handled within the iOS app. In addition, I plan to integrate a CarPlay extension that allows the driver to start and stop a recording – ideally through a minimalist interface featuring a large record button and a "Done" button. Since the iPhone is often not within immediate reach in the car, the CarPlay integration should serve as a quick trigger to initiate the recording in the iOS app. My questions are as follows: Has anyone had experience implementing a CarPlay extension for an app that primarily handles notes and voice recordings, rather than falling into the traditional categories like navigation, audio, or communication? Has such a concept ever been approved by Apple, or are there known hurdles and guidelines that must be observed? Are there alternative approaches to implementing CarPlay integration in this context in a compliant and effective manner? I would greatly appreciate any feedback, shared experiences, and tips on best practices. Thank you in advance and best regards!

I noticed that Instagram and iMessage support receiving shared lyrics from Apple Music. Specifically, when users long-press lyrics, a sheet pops up showing iMessage and Instagram. Clicking on either app generates a beautifully formatted lyrics image. I've looked through MusicKit documentation but couldn't find any related APIs. How can I implement this functionality in my app?

For some users in production, there's a high probability that after launching the App, using AVPlayer to play any local audio resources results in the following error. Restarting the App doesn't help. issue: [error: Error Domain=AVFoundationErrorDomain Code=-11800 "这项操作无法完成" UserInfo={NSLocalizedFailureReason=发生未知错误（24）, NSLocalizedDescription=这项操作无法完成, NSUnderlyingError=0x30311f270 {Error Domain=NSPOSIXErrorDomain Code=24 "Too many open files"}} I've checked the code, and there aren't actually multiple AVPlayers playing simultaneously. What could be causing this?

Hi All, I am working on a DJ playout app (MACOS). The app has a few AVAudioPlayerNode's combined with the ApplicationMusicPlayer from Musickit. I can route the output of the AVaudioPlayer to a hardware device so that the audio files are directed to their own dedicated output on my Mac. The ApplicationMusicPlayer is following the default output and this is pretty annoying. Has anyone found a solution to chain the ApplicationMusicPlayer and get it set to a output device? Thanks Pancras

Hi, just generated a HDR10 MVHEVC file, mediainfo is below: Color range : Limited Color primaries : BT.2020 Transfer characteristics : PQ Matrix coefficients : BT.2020 non-constant Codec configuration box : hvcC+lhvC then generate the segment files with below command: mediafilesegmenter --iso-fragmented -t 4 -f av_1 av_new_1.mov then upload the segment files and prog_index.m3u8 to web server. just find that can not play the HLS stream on Safari... the url is http://ip/vod/prog_index.m3u8 just checked that if i remove the tag Transfer characteristics : PQ when generating the MVHEVC file. above same mediafilesegmenter command and upload the files to web server. the new version of HLS stream is can play on Safari... Is there any way to play HLS PQ video on Safari. thanks.

We are planning to develop an application using the Apple Music API. We would like to design our system based on the details of the rate limits mentioned below and have a few questions: https://developer.apple.com/documentation/applemusicapi/generating-developer-tokens#Request-Rate-Limiting Regarding the Catalog API (/v1/catalog/*), we understand that server-side caching is enabled, making it less likely to reach the rate limit. Is this understanding correct? (Excluding the search API) For APIs like the Library API (/v1/me/library/*), where responses vary by user, we assume they are more likely to reach the rate limit. Is this correct? We plan to implement optimizations to minimize unnecessary API calls. Given this, would the current Music API be able to handle a significant increase in users? (Assuming a DAU of around 100,000 to 1,000,000) If the API cannot support this scale, would it be allowed under Apple’s policy to cache responses from the Catalog API (/v1/catalog/*) via our proxy server to avoid hitting the rate limit? The third question is the one we most want to confirm.

I've been having issues with authorization after switching from v1 to v3, have tried some of the suggestions provided by someone in a reply to a post of mine. Have tried to reach out to Apple Support a few times as well, though I haven't received any support that has helped me to move forward. I have tested my token at https://jwt.io and I'm getting a "Signature Verified", tried multiple browsers in private/incognito mode, now when I try to sign into my Apple Account to test my player I am receiving an error that stats "There is a Problem Connecting. There May be an Issue with Your Network." (which is not the case). I have tried everything I can think of, I'm at a loss and would appreciate any help to get my project moving forward. This is what I am seeing in the browser developer console (using Firefox): Authorization failed: AUTHORIZATION_ERROR: Unauthorized MKError https://js-cdn.music.apple.com/musickit/v3/musickit.js:13 authorize https://js-cdn.music.apple.com/musickit/v3/musickit.js:28 asyncGeneratorStep$w https://js-cdn.music.apple.com/musickit/v3/musickit.js:28 _next https://js-cdn.music.apple.com/musickit/v3/musickit.js:28 media.mydomain.com:398:19 https://media.mydomain.com/:398

My iOS app can access the iphone media library, but if on Mac M4 is Error Domain=NSCocoaError Domain Code=257