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Deep dive into the technical specifications that influence seamless playback for streaming services, including bitrates, codecs, and caching mechanisms.

Streaming Documentation

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CoreMediaError with Lightning HDMI output on FairPlay content
Hello, our application is unable to HDMI output FairPlay protected content to TV via official Lightning HDMI AV Adapter, by checking the console log on mediaplayerd it is found that a CoreMediaErrorDomain Code=-19156 is raised, but we are unable to know what this error code means. default 11:18:15.121584+0800 mediaplaybackd keyboss ckb_customURLReadCallback: 0x7fa62f800 60/0 customURLReqID 4 isComplete 1 err -19156 error <private> (0) dokeyCallbacksExist 0 default 11:18:15.121670+0800 mediaplaybackd keyboss ckb_processErrorForRequest: 0x7fa62f800 60/0 handler 4 err 0 default 11:18:15.121752+0800 mediaplaybackd <<<< FigCustomURLHandling >>>> curll_cancelRequestOnQueue: 0x7fa031360: requestID: 4 default 11:18:15.121932+0800 mediaplaybackd keyboss ckb_transitionRequestToTerminalState: 0x7fa62f800 60/0 reqFin err Error Domain=CoreMediaErrorDomain Code=-19156 (-19156) dokeyCallbacksExist 0 default 11:18:15.122025+0800 mediaplaybackd keyboss ckb_transitionRequestToTerminalState: 0x7fa62f800 60/0 retry default 11:18:15.123195+0800 mediaplaybackd <<<< FigCPECryptorPKD >>>> PostKeyRequestErrorOccurred: 0x7fab7be80 029592C2-093D-400D-B57F-7AB06CC292D1 key request error: Error Domain=CoreMediaErrorDomain Code=-19160 (-19160)
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2
284
Jan ’26
TV A1625 Using 3× More CPU After tvOS 26 Update
Hi everyone, After updating my Apple TV HD (model A1625) to tvOS 26, I’ve noticed a significant spike in CPU usage—up to 3× higher than before the update. Go from around 40% to 120% Model: Apple TV HD (A1625) tvOS Version: 26 (stable release) and beta version of 26.1, App downgrade stream due to lack of cpu power If anyone else is experiencing this, please share your findings or workarounds. Would love to hear from Apple engineers or other developers if this is a known regression or if there’s a recommended fix. Thanks!
4
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292
Oct ’25
Facing issue with fairplay Streaming server SDK 26.0.0
I am trying to Build server for testing on Linux(Alma linux 9 VM) NAME="AlmaLinux" VERSION="9.7 (Moss Jungle Cat)" ID="almalinux" ID_LIKE="rhel centos fedora" VERSION_ID="9.7" PLATFORM_ID="platform:el9" PRETTY_NAME="AlmaLinux 9.7 (Moss Jungle Cat)" ANSI_COLOR="0;34" [azuki@AlmaDevVM ~]$ uname -m x86_64 I have tried the following steps: Before starting, ensured that Swift 6 installed. Referred https://www.swift.org/install/ for instructions. Build the library In Terminal, uses the following commands to compile the Swift library: cd Development/Key_Server_Module/Swift swift build -Xbuild-tools-swiftc -DTEST_CREDENTIALS After building the library, ran test cases to ensure the library behaves as expected. ALL unit tests are passing with the development credentials. • Since I was using an x86_64 machine: export LD_LIBRARY_PATH=./Sources/prebuilt/x86_64-unknown-linux-gnu/ Run all tests: swift test -Xbuild-tools-swiftc -DTEST_CREDENTIALS --disable-swift-testing Build the server Build the server: Apache Before starting, ensured the following: a. Installed Apache HTTPD and the dev tools. Using the following command for installation: yum install httpd httpd-devel redhat-rpm-config b. After this, integrated it into the Apache server environment with swift library that was built above. Used the following command to build the server using apxs: • Since I was using an x86_64 machine: apxs -i -a -c -Wl,-L${PWD}/.build/x86_64-unknown-linux-gnu/debug/ -Wl,-lswift_fpssdk -Wl,-L${PWD}/Sources/prebuilt/x86_64-unknown-linux-gnu -lfpscrypto -Wl,-R${PWD}/.build/x86_64-unknown-linux-gnu/debug server_setup/mod_fps.c c. Next, copied the dependent libraries to the Apache modules folder using these commands: • If using an x86_64 machine: cp Sources/prebuilt/x86_64-unknown-linux-gnu/libfpscrypto.so /usr/lib64/httpd/modules/libfpscrypto.so cp .build/x86_64-unknown-linux-gnu/debug/libswift_fpssdk.so /usr/lib64/httpd/modules/libswift_fpssdk.so d. Configuring Apache HTTPD Configured Apache HTTPD by adding the module and handler to your Apache HTTPD configuration (/etc/httpd/conf/httpd.conf). Note that the apxs command may automatically add the LoadModule line in the previous step. Listen 8080 LoadFile /usr/lib64/httpd/modules/libfpscrypto.so LoadFile /usr/lib64/httpd/modules/libswift_fpssdk.so LoadModule fps_module /usr/lib64/httpd/modules/mod_fps.so <Location "/fps"> SetHandler fps_handler Copy the credentials to the Apache modules folder. cp -r ../credentials /usr/lib64/httpd/modules/ export FPS_CERT_PATH= /usr/lib64/httpd/modules/credentials/test_certificates.json e. Run your server You can run the Apache HTTPD server with the configured module by using the following command: httpd -D FOREGROUND No issues see till step. Get SDK version [azuki@AlmaDevVM Key_Server_Module]$ curl localhost:8080/fps/v 26.0.0 But when i try to generate license [azuki@AlmaDevVM Key_Server_Module]$ curl -d ../Test_Inputs/iOS/spc_ios_hd_lease_2048.json localhost:8080/fps {"fairplay-streaming-response":{"create-ckc":[{"id":1,"status":-42601}]}} Can you please suggest what i might be missing here?
8
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1.1k
Feb ’26
Will the new Automix feature in iOS 26 be available for third-party apps using MusicKit?
Hi everyone, We’re currently developing a music-based app using MusicKit, and we recently noticed that iOS 26 beta introduces a new “Automix” feature in the Apple Music app. This enables seamless DJ-style transitions between songs—beyond the standard crossfade functionality. We’re trying to understand: Will this Automix feature be accessible to third-party apps that use MusicKit? If not available in the initial iOS 26 release, is there a plan to expose it through public APIs in a future update? Is there any technical documentation, WWDC session, or roadmap info regarding Automix support via MusicKit? This functionality would be a significant enhancement for our app, especially for intelligent audio transitions and curated playlists. Thanks.
2
3
876
Nov ’25
What does CoreMediaErrorDomain code -15418 indicate during LL-HLS live playback?
Hello, I am currently developing a video player using Custom AVPlayer SDK and testing LL-HLS live streaming. I encountered a specific error, CoreMediaErrorDomain -15418, during playback. I have searched through the official documentation and the forums, but I could not find any information regarding this error code. I would like to inquire about the following: Description & Cause: What does the error code -15418 specifically represent in the context of CoreMedia and LL-HLS? Severity: Is this a critical error that halts playback, or is it merely a warning? Environment Details: iOS Version: iOS 26.2 Device: iPhone 15 Pro Max Stream Type: LL-HLS (Low-Latency HLS) Impact: Quality drops Any insights or references to documentation would be greatly appreciated. Thank you.
1
0
352
Jan ’26
Crash iOS 26.0: [__NSSingleObjectArrayI selectedMediaOptionInMediaSelectionGroup:]: unrecognized selector sent to instance
I'm having a crash on an app that plays videos when the users activates close captions. I was able to replicate the issue on an empty project. The crash happens when the AVPlayerLayer is used to instantiate an AVPictureInPictureController These are the example project where I tested the crash: struct ContentView: View { var body: some View { VStack { VideoPlaylistView() } .frame(maxWidth: .infinity, maxHeight: .infinity) .background(Color.black.ignoresSafeArea()) } } class VideoPlaylistViewModel: ObservableObject { // Test with other videos var player: AVPlayer? = AVPlayer(url: URL(string:"https://d2ufudlfb4rsg4.cloudfront.net/newsnation/WIpkLz23h/adaptive/WIpkLz23h_master.m3u8")!) } struct VideoPlaylistView: View { @StateObject var viewModel = VideoPlaylistViewModel() var body: some View { ScrollView { VideoCellView(player: viewModel.player) .onAppear { viewModel.player?.play() } } .scrollTargetBehavior(.paging) .ignoresSafeArea() } } struct VideoCellView: View { let player: AVPlayer? @State var isCCEnabled: Bool = false var body: some View { ZStack { PlayerView(player: player) .accessibilityIdentifier("Player View") } .containerRelativeFrame([.horizontal, .vertical]) .overlay(alignment: .bottom) { Button { player?.currentItem?.asset.loadMediaSelectionGroup(for: .legible) { group,error in if let group { let option = !isCCEnabled ? group.options.first : nil player?.currentItem?.select(option, in: group) isCCEnabled.toggle() } } } label: { Text("Close Captions") .font(.subheadline) .foregroundStyle(isCCEnabled ? .red : .primary) .buttonStyle(.bordered) .padding(8) .background(Color.blue.opacity(0.75)) } .padding(.bottom, 48) .accessibilityIdentifier("Button Close Captions") } } } import Foundation import UIKit import SwiftUI import AVFoundation import AVKit struct PlayerView: UIViewRepresentable { let player: AVPlayer? func updateUIView(_ uiView: UIView, context: UIViewRepresentableContext<PlayerView>) { } func makeUIView(context: Context) -> UIView { let view = PlayerUIView() view.playerLayer.player = player view.layer.addSublayer(view.playerLayer) view.layer.backgroundColor = UIColor.red.cgColor view.pipController = AVPictureInPictureController(playerLayer: view.playerLayer) view.pipController?.requiresLinearPlayback = true view.pipController?.canStartPictureInPictureAutomaticallyFromInline = true view.pipController?.delegate = view return view } } class PlayerUIView: UIView, AVPictureInPictureControllerDelegate { let playerLayer = AVPlayerLayer() var pipController: AVPictureInPictureController? override init(frame: CGRect) { super.init(frame: frame) } required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") } override func layoutSubviews() { super.layoutSubviews() playerLayer.frame = bounds playerLayer.backgroundColor = UIColor.green.cgColor } func pictureInPictureController(_ pictureInPictureController: AVPictureInPictureController, failedToStartPictureInPictureWithError error: any Error) { print("Error starting Picture in Picture: \(error.localizedDescription)") } } class AppDelegate: NSObject, UIApplicationDelegate { func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool { let audioSession = AVAudioSession.sharedInstance() do { try audioSession.setCategory(.playback, mode: .moviePlayback) try audioSession.setActive(true) } catch { print("ERR: \(error.localizedDescription)") } return true } } UITest to make the app crash: final class VideoPlaylistSampleUITests: XCTestCase { func testCrashiOS26ToggleCloseCaptions() throws { let app = XCUIApplication() app.launch() let videoPlayer = app.otherElements["Player View"] XCTAssertTrue(videoPlayer.waitForExistence(timeout: 30)) let closeCaptionButton = app.buttons["Button Close Captions"] for _ in 0..<2000 { closeCaptionButton.tap() } } }
0
5
379
Sep ’25
Getting CoreMediaErrorDomain -15628 playback failure in iOS 26 (AVPlayer, HLS stream)
Hi, After updating to iOS 26, our app is experiencing playback failures with AVPlayer. The same code and streams work fine on iOS 18 and earlier. Error: Domain [CoreMediaErrorDomain] Code [-15628] Description [The operation couldn’t be completed.] Underlying Error Domain [(null)] Code [0] Description [(null)] Environment: iOS version: iOS 26 Stream type: HLS (m3u8) with segment (.ts) files Observed behaviour: We don’t have concrete steps to reproduce the issue, but so far, we have observed that this error tends to occur under low network conditions.
0
5
535
Sep ’25
CoreMediaErrorDomain -15628 playback failure in iOS 26 (React Native / AVPlayer, HLS stream)
Hi, After updating to iOS 26, our app is facing playback failures with AVPlayer. The same code and streams work fine on iOS 18 and earlier. Error - Domain[CoreMediaErrorDomain]:Code[-15628]:Desc[The operation couldn’t be completed.]:Underlying Error Domain[(null)]:Code[0]:Desc[(null)] Environment: iOS version: ios 26 React Native: 0.69 Video library: react-native-video (AVPlayer under the hood) Stream type: HLS (m3u8) with segment (.ts) files Observed behaviour: Playback works initially on iOS 26. On iOS 26, the stream fails at runtime after a few seconds/minutes (not on first load). Network logs show 307 redirects on some segment requests. After this, AVPlayer throws the above error. Playback fails intermittently on slow/unstable networks.
6
19
1.7k
Dec ’25
CoreMediaError with Lightning HDMI output on FairPlay content
Hello, our application is unable to HDMI output FairPlay protected content to TV via official Lightning HDMI AV Adapter, by checking the console log on mediaplayerd it is found that a CoreMediaErrorDomain Code=-19156 is raised, but we are unable to know what this error code means. default 11:18:15.121584+0800 mediaplaybackd keyboss ckb_customURLReadCallback: 0x7fa62f800 60/0 customURLReqID 4 isComplete 1 err -19156 error <private> (0) dokeyCallbacksExist 0 default 11:18:15.121670+0800 mediaplaybackd keyboss ckb_processErrorForRequest: 0x7fa62f800 60/0 handler 4 err 0 default 11:18:15.121752+0800 mediaplaybackd <<<< FigCustomURLHandling >>>> curll_cancelRequestOnQueue: 0x7fa031360: requestID: 4 default 11:18:15.121932+0800 mediaplaybackd keyboss ckb_transitionRequestToTerminalState: 0x7fa62f800 60/0 reqFin err Error Domain=CoreMediaErrorDomain Code=-19156 (-19156) dokeyCallbacksExist 0 default 11:18:15.122025+0800 mediaplaybackd keyboss ckb_transitionRequestToTerminalState: 0x7fa62f800 60/0 retry default 11:18:15.123195+0800 mediaplaybackd <<<< FigCPECryptorPKD >>>> PostKeyRequestErrorOccurred: 0x7fab7be80 029592C2-093D-400D-B57F-7AB06CC292D1 key request error: Error Domain=CoreMediaErrorDomain Code=-19160 (-19160)
Replies
1
Boosts
2
Views
284
Activity
Jan ’26
TV A1625 Using 3× More CPU After tvOS 26 Update
Hi everyone, After updating my Apple TV HD (model A1625) to tvOS 26, I’ve noticed a significant spike in CPU usage—up to 3× higher than before the update. Go from around 40% to 120% Model: Apple TV HD (A1625) tvOS Version: 26 (stable release) and beta version of 26.1, App downgrade stream due to lack of cpu power If anyone else is experiencing this, please share your findings or workarounds. Would love to hear from Apple engineers or other developers if this is a known regression or if there’s a recommended fix. Thanks!
Replies
4
Boosts
0
Views
292
Activity
Oct ’25
Facing issue with fairplay Streaming server SDK 26.0.0
I am trying to Build server for testing on Linux(Alma linux 9 VM) NAME="AlmaLinux" VERSION="9.7 (Moss Jungle Cat)" ID="almalinux" ID_LIKE="rhel centos fedora" VERSION_ID="9.7" PLATFORM_ID="platform:el9" PRETTY_NAME="AlmaLinux 9.7 (Moss Jungle Cat)" ANSI_COLOR="0;34" [azuki@AlmaDevVM ~]$ uname -m x86_64 I have tried the following steps: Before starting, ensured that Swift 6 installed. Referred https://www.swift.org/install/ for instructions. Build the library In Terminal, uses the following commands to compile the Swift library: cd Development/Key_Server_Module/Swift swift build -Xbuild-tools-swiftc -DTEST_CREDENTIALS After building the library, ran test cases to ensure the library behaves as expected. ALL unit tests are passing with the development credentials. • Since I was using an x86_64 machine: export LD_LIBRARY_PATH=./Sources/prebuilt/x86_64-unknown-linux-gnu/ Run all tests: swift test -Xbuild-tools-swiftc -DTEST_CREDENTIALS --disable-swift-testing Build the server Build the server: Apache Before starting, ensured the following: a. Installed Apache HTTPD and the dev tools. Using the following command for installation: yum install httpd httpd-devel redhat-rpm-config b. After this, integrated it into the Apache server environment with swift library that was built above. Used the following command to build the server using apxs: • Since I was using an x86_64 machine: apxs -i -a -c -Wl,-L${PWD}/.build/x86_64-unknown-linux-gnu/debug/ -Wl,-lswift_fpssdk -Wl,-L${PWD}/Sources/prebuilt/x86_64-unknown-linux-gnu -lfpscrypto -Wl,-R${PWD}/.build/x86_64-unknown-linux-gnu/debug server_setup/mod_fps.c c. Next, copied the dependent libraries to the Apache modules folder using these commands: • If using an x86_64 machine: cp Sources/prebuilt/x86_64-unknown-linux-gnu/libfpscrypto.so /usr/lib64/httpd/modules/libfpscrypto.so cp .build/x86_64-unknown-linux-gnu/debug/libswift_fpssdk.so /usr/lib64/httpd/modules/libswift_fpssdk.so d. Configuring Apache HTTPD Configured Apache HTTPD by adding the module and handler to your Apache HTTPD configuration (/etc/httpd/conf/httpd.conf). Note that the apxs command may automatically add the LoadModule line in the previous step. Listen 8080 LoadFile /usr/lib64/httpd/modules/libfpscrypto.so LoadFile /usr/lib64/httpd/modules/libswift_fpssdk.so LoadModule fps_module /usr/lib64/httpd/modules/mod_fps.so <Location "/fps"> SetHandler fps_handler Copy the credentials to the Apache modules folder. cp -r ../credentials /usr/lib64/httpd/modules/ export FPS_CERT_PATH= /usr/lib64/httpd/modules/credentials/test_certificates.json e. Run your server You can run the Apache HTTPD server with the configured module by using the following command: httpd -D FOREGROUND No issues see till step. Get SDK version [azuki@AlmaDevVM Key_Server_Module]$ curl localhost:8080/fps/v 26.0.0 But when i try to generate license [azuki@AlmaDevVM Key_Server_Module]$ curl -d ../Test_Inputs/iOS/spc_ios_hd_lease_2048.json localhost:8080/fps {"fairplay-streaming-response":{"create-ckc":[{"id":1,"status":-42601}]}} Can you please suggest what i might be missing here?
Replies
8
Boosts
0
Views
1.1k
Activity
Feb ’26
Will the new Automix feature in iOS 26 be available for third-party apps using MusicKit?
Hi everyone, We’re currently developing a music-based app using MusicKit, and we recently noticed that iOS 26 beta introduces a new “Automix” feature in the Apple Music app. This enables seamless DJ-style transitions between songs—beyond the standard crossfade functionality. We’re trying to understand: Will this Automix feature be accessible to third-party apps that use MusicKit? If not available in the initial iOS 26 release, is there a plan to expose it through public APIs in a future update? Is there any technical documentation, WWDC session, or roadmap info regarding Automix support via MusicKit? This functionality would be a significant enhancement for our app, especially for intelligent audio transitions and curated playlists. Thanks.
Replies
2
Boosts
3
Views
876
Activity
Nov ’25
What does CoreMediaErrorDomain code -15418 indicate during LL-HLS live playback?
Hello, I am currently developing a video player using Custom AVPlayer SDK and testing LL-HLS live streaming. I encountered a specific error, CoreMediaErrorDomain -15418, during playback. I have searched through the official documentation and the forums, but I could not find any information regarding this error code. I would like to inquire about the following: Description & Cause: What does the error code -15418 specifically represent in the context of CoreMedia and LL-HLS? Severity: Is this a critical error that halts playback, or is it merely a warning? Environment Details: iOS Version: iOS 26.2 Device: iPhone 15 Pro Max Stream Type: LL-HLS (Low-Latency HLS) Impact: Quality drops Any insights or references to documentation would be greatly appreciated. Thank you.
Replies
1
Boosts
0
Views
352
Activity
Jan ’26
Crash iOS 26.0: [__NSSingleObjectArrayI selectedMediaOptionInMediaSelectionGroup:]: unrecognized selector sent to instance
I'm having a crash on an app that plays videos when the users activates close captions. I was able to replicate the issue on an empty project. The crash happens when the AVPlayerLayer is used to instantiate an AVPictureInPictureController These are the example project where I tested the crash: struct ContentView: View { var body: some View { VStack { VideoPlaylistView() } .frame(maxWidth: .infinity, maxHeight: .infinity) .background(Color.black.ignoresSafeArea()) } } class VideoPlaylistViewModel: ObservableObject { // Test with other videos var player: AVPlayer? = AVPlayer(url: URL(string:"https://d2ufudlfb4rsg4.cloudfront.net/newsnation/WIpkLz23h/adaptive/WIpkLz23h_master.m3u8")!) } struct VideoPlaylistView: View { @StateObject var viewModel = VideoPlaylistViewModel() var body: some View { ScrollView { VideoCellView(player: viewModel.player) .onAppear { viewModel.player?.play() } } .scrollTargetBehavior(.paging) .ignoresSafeArea() } } struct VideoCellView: View { let player: AVPlayer? @State var isCCEnabled: Bool = false var body: some View { ZStack { PlayerView(player: player) .accessibilityIdentifier("Player View") } .containerRelativeFrame([.horizontal, .vertical]) .overlay(alignment: .bottom) { Button { player?.currentItem?.asset.loadMediaSelectionGroup(for: .legible) { group,error in if let group { let option = !isCCEnabled ? group.options.first : nil player?.currentItem?.select(option, in: group) isCCEnabled.toggle() } } } label: { Text("Close Captions") .font(.subheadline) .foregroundStyle(isCCEnabled ? .red : .primary) .buttonStyle(.bordered) .padding(8) .background(Color.blue.opacity(0.75)) } .padding(.bottom, 48) .accessibilityIdentifier("Button Close Captions") } } } import Foundation import UIKit import SwiftUI import AVFoundation import AVKit struct PlayerView: UIViewRepresentable { let player: AVPlayer? func updateUIView(_ uiView: UIView, context: UIViewRepresentableContext<PlayerView>) { } func makeUIView(context: Context) -> UIView { let view = PlayerUIView() view.playerLayer.player = player view.layer.addSublayer(view.playerLayer) view.layer.backgroundColor = UIColor.red.cgColor view.pipController = AVPictureInPictureController(playerLayer: view.playerLayer) view.pipController?.requiresLinearPlayback = true view.pipController?.canStartPictureInPictureAutomaticallyFromInline = true view.pipController?.delegate = view return view } } class PlayerUIView: UIView, AVPictureInPictureControllerDelegate { let playerLayer = AVPlayerLayer() var pipController: AVPictureInPictureController? override init(frame: CGRect) { super.init(frame: frame) } required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") } override func layoutSubviews() { super.layoutSubviews() playerLayer.frame = bounds playerLayer.backgroundColor = UIColor.green.cgColor } func pictureInPictureController(_ pictureInPictureController: AVPictureInPictureController, failedToStartPictureInPictureWithError error: any Error) { print("Error starting Picture in Picture: \(error.localizedDescription)") } } class AppDelegate: NSObject, UIApplicationDelegate { func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool { let audioSession = AVAudioSession.sharedInstance() do { try audioSession.setCategory(.playback, mode: .moviePlayback) try audioSession.setActive(true) } catch { print("ERR: \(error.localizedDescription)") } return true } } UITest to make the app crash: final class VideoPlaylistSampleUITests: XCTestCase { func testCrashiOS26ToggleCloseCaptions() throws { let app = XCUIApplication() app.launch() let videoPlayer = app.otherElements["Player View"] XCTAssertTrue(videoPlayer.waitForExistence(timeout: 30)) let closeCaptionButton = app.buttons["Button Close Captions"] for _ in 0..<2000 { closeCaptionButton.tap() } } }
Replies
0
Boosts
5
Views
379
Activity
Sep ’25
Getting CoreMediaErrorDomain -15628 playback failure in iOS 26 (AVPlayer, HLS stream)
Hi, After updating to iOS 26, our app is experiencing playback failures with AVPlayer. The same code and streams work fine on iOS 18 and earlier. Error: Domain [CoreMediaErrorDomain] Code [-15628] Description [The operation couldn’t be completed.] Underlying Error Domain [(null)] Code [0] Description [(null)] Environment: iOS version: iOS 26 Stream type: HLS (m3u8) with segment (.ts) files Observed behaviour: We don’t have concrete steps to reproduce the issue, but so far, we have observed that this error tends to occur under low network conditions.
Replies
0
Boosts
5
Views
535
Activity
Sep ’25
CoreMediaErrorDomain -15628 playback failure in iOS 26 (React Native / AVPlayer, HLS stream)
Hi, After updating to iOS 26, our app is facing playback failures with AVPlayer. The same code and streams work fine on iOS 18 and earlier. Error - Domain[CoreMediaErrorDomain]:Code[-15628]:Desc[The operation couldn’t be completed.]:Underlying Error Domain[(null)]:Code[0]:Desc[(null)] Environment: iOS version: ios 26 React Native: 0.69 Video library: react-native-video (AVPlayer under the hood) Stream type: HLS (m3u8) with segment (.ts) files Observed behaviour: Playback works initially on iOS 26. On iOS 26, the stream fails at runtime after a few seconds/minutes (not on first load). Network logs show 307 redirects on some segment requests. After this, AVPlayer throws the above error. Playback fails intermittently on slow/unstable networks.
Replies
6
Boosts
19
Views
1.7k
Activity
Dec ’25