Avaudioplayer queue. But I'm pretty sure I'd set the device volume to max.

Avaudioplayer queue volume = 1. Hi! I've solved to keep my streaming music playing, even if the app is in background or the lock screen is visible. When initially obtaining your wave data into memory (file load, download, or synthesis, etc. AVAudioPlayerNode doesn't play sound. Instead of copying the entire (gigantic) sound, just copy a WAV file header in front the first sample of the existing buffer. As the docs describe, If you’d prefer to permanently enable this behavior, you should instead set the category’s defaultToSpeaker option like so: try recordingSession. main. 10 of 25 symbols inside <root> containing 30 symbols. When my app delegate gets applicationWillResignActive notification, I call AudioQueuePause(queue); for all playing sounds. Only problem is that I am not able to stop the song. rate = 1. I am maintaining a custom nowPlayingMP3Item that is being set after I play the song using AVAudioPlayer. setActive(true You can do NSData *data = [NSData dataWithContentsOfURL:soundUrl]; AVAudioPlayer *player = [[AVAudioPlayer alloc] initWithData:data error:nil]; Basically it will stream the data into memory, and AVAudioPlayer will play from the data inside memory – In your case an AVAudioPlayer is being used - that's great - what this really means is that you're using Audio Queue Services for playback because AVAudioPlayer is using Audio Queue Services on your behalf. It's good because it utilizes OpenAL and AVAudioPlayer but abstracts a lot of the complicated parts away from you. In fact, it has a construct to loop forever. Using Audio Queue Services for playback lets you: Precisely schedule when a sound plays, allowing synchronization Learn how to load a sound file or sound effect, configure an AVSession to play sound, and play a sound file using AVAudioPlayer in Swift. stop() } It can be the deadlock. 1,713 1 1 gold badge 10 10 silver badges 31 31 bronze badges. If I load any audio, run [audioPlayer prepareToPlay] and then immediately release it, the load times for all of my other audio is very close to imperceptible. AVAudioPlayer using an array seems to be the best solution. Also, be warned that it is fairly CPU demanding to adjust the playback speed while keeping the same pitch. 1. apple. Creates a player to play audio from a file. 0. Viewed 511 times Part of Mobile Development Collective AVAudioPlayer does not play when app goes to background. Skip to main content. Follow answered Sep 24, 2015 at 21:14. 1st track is playing then 2nd track need append, not play directly – Pratik Prajapati Commented Feb 9, 2018 at 9:29 This chapter will provide an overview of audio playback using the AVAudioPlayer class. However, I have implemented a singleton class that handles all the allocations and keeps an array of AVAudioPlayer instances that also play asynchronously as needed. I have noticed that the completionHandler is invoked from the background queue which is a serial queue, let's call it a "render queue". AVAudioPlayer does not play audio file - swift. This is generally achieved by using a class variable: var backgroundMusicPlayer: AVAudioPlayer? = nil Don't do this: the following sound will play for, at best, outOfScopeDelay due to the local scope of var audioPlayer. duration Then, assuming that you're leaving your sliders min and max values at their default settings (0 - 1), you can determine progress by simply dividing currentTime by duration. stop() method is trying to do some work on a Audio Queue Services lets you record, play, pause, loop, and synchronize audio. As you can see, we have set up a text with 2 buttons below, one for playing the audio, the other one for pausing it. main) { [weak self] time in guard let self else { return } // Update the currentTime and duration values. I have 2 apps for audio playback, I need to check a case when the first app was interrupted the sound should stops to play, however, when the interruption is end the app should return to playback. Once the basics have been covered, a tutorial is worked through step by step. Since we are assigning the instance of AVAudioPlayer to a property named audioPlayer, we must also see how this property is defined: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have set my project up so that a "SoundManager" singleton handles keeping track of the audio files that are currently in the queue, and exposes functions for controlling the audio. I did not use AVAudioPlayer's delegate in my code, but I had a collection of sounds which were supposedly playing and once in a while I iterated over that collection and deleted sounds with false isPlaying field. Daniel In this example avPlayer is the AVPlayer instance. Discussion. I have AVAudioPlayer playing a sound for a message alert during chat, I also want the phone to vibrate. The CADisplayLink class, which automatically calls a method you define as soon as a screen redraw happens. This will both use the database more efficiently and give you a local file path to give to your AVAudioPlayer, which will bypass the problem. currentTime) var duration = Int(audioPlayer. Follow answered May 2, 2013 at 17:09. Then each time your timer fires, look at the currentTime property on your audio player. Swift 5. For more advanced playback capabilities, like playing streaming or positional audio, use AVAudioEngine instead. mp3 file in my ios application? Share. Specifically, I think calling performSelectorAfterDelay could be the reason if another thread tries to modify the audio session at the same time the delay ends, as then we'll have two different threads trying to access the audio session. brendan brendan. prepareToPlay() Not using the dispatch queue (i. In this example, we’re using a background queue to load the audio file asynchronously. As a result of 1 hour loop, memory usage kept increasing for a hour from start to end. If you want to try a simple hack, you can try doubling the sample rate property of the audio file. (DISPATCH_QUEUE_PRIORITY_DEFAULT, 0) dispatch_async(dispatchQueue, { let mainBundle = NSBundle. 5 currently has a bug in the conversion (AudioExportSession) from ipod to mp3 file, so it's NOT POSSIBLE. numberOfLoops = 5. All of these answers are either outdated or not permanent solutions. AVAudioPlayer is designed to play single files, but it uses AVAssets (and probably let interval = CMTime(value: 1, timescale: 2) timeObserver = player. Asking for help, clarification, or responding to other answers. I think it has to do with the AVAudioPlayer going out of scope before the simulator device is able to queue up the sound and play itor something along those lines. It provides all core functions we can find in Audio Queue Service. The issue I'm facing is that the AVAudioPlayer instance in my main app and the instance in my widget extension don't seem to share the same state. inherit, target: nil) queue. It turns out as you allocate the new avaudioplayer you need to set delegate to vc again, otherwise audioPlayerDidFinishPlaying method does't get called and it doesn't automatically play the next song, my mistake – guenis. 2. audioPlayer. Hot Network Questions I'd probably recommend using a higher level construct, like AVAudioPlayer. play(). If when I set up the session I instead use Unable to Play Audio Using AVAudioPlayer. I've got a lot of code already that calls the prepareToPlay method, I actually keep a queue of "ready to play" players preloaded so there is always one ready. So, I suggest to check your code again Once you've set the override route for the audio session, you can use an AVAudioPlayer instance and send some output to the speaker. The user can traverse (backwards/forward seek Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Follow answered Jun 17 at 20:09. And when the app delegate gets applicationDidBecomeActive, I call. It's a bit dated, but should get you going. I think this problem is just down to the time it MonoTouch. AVAudioPlayer produces lag despite prepareToPlay() in Swift. I'm not sure why this is, hope it helps. I don't know AVAudioPlayer, but if you were using the audio queue services directly, you could have something like this as your interruption handler: With AVAudioPlayer, you can easily implement playlist management functionalities in your app. I am using AVAudioRecorder and AVAudioPlayer` for recording and For the answer of Hunter, It's all right but I would add some lines to the updateTime function. setCategory(. m #import "ViewController. self. I can't seem to isolate where the problem is though. userInitiated, attributes: . For a complete description of this class’s interface, see AVAudioPlayer Class Reference. Ten Ten. Follow answered Jan 12, 2021 at 9:23. By calling the method many times you are allocating the instance of AVAudioPlayer newPlayer many times. AVAudioPlayer player = MonoTouch. Commented Feb 6, 2013 at 7:57. Here's a simple self-contained example of what I'm talking about: import AVFoundation import UIKit class ViewController: UIViewController { let player AVAudioPlayer interrupting playback with audioPlayerDecodeErrorDidOccur, with NSOSStatusErrorDomain -50. You need to convert the library Asset link from ipod, using *AVURLAsset to an mp3 or wav and save it to the documents library. thisIsTheFoxe thisIsTheFoxe. Make the same object delegate to AVPlayer and when the playerDidFinishPlaying: method triggers broadcast a notification saying that the player has finished. For example, to make your audio play five times in total, you’d write this: audioPlayer. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. userInitiated) //I'm on the main queue here! audioQueue. Ok, let me share my findings (no matter how scarce), may be they will help someone. Also added additional methods to support Audio visualization from AVPlayer streaming. Enable SCListener and begin listening (which calls AudioQueueNewInput). AudioQueue trimming and buffer size. It looks like your trying to unwrap a variable that has a nil value. = dispatch_time(DISPATCH_TIME_NOW, Int64(2 * Double(NSEC_PER_SEC))) dispatch_after(delayTime, dispatch_get_main_queue()) { self. I realize playlist and playing audio background functionality. Interruption Type. I could check the playback state of the MusicController, but I'd need to reload the UI if it changed from mp3 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Notice that AVAudioPlayer class has a property called numberOfLoops. Extended Audio File Services stop the playing AVAudioPlayer instance, initialize a new instance of AVAudioPlayer and set it to the property letting an old-one to be deallocated automatically. You can just use AVAudioPlayer for playback and a MPMediaPickerController for loading up a queue of songs. I am writing an app that uses both AVAudioPlayer to play local mp3 files and MPMusicPlayerController to play system / Apple music / iTunes music. background initWithContentsOfURL:: will remove the I'd like to move some operations involving AVAudioPlayer - and possibly AVAudioEngine, although that's less important - off the main thread using a serial dispatch queue or similar mechanism. Don't forget to set <AVAudioPlayerDelegate> on your interface. When playTrack is called, it sets up a new instance of an AVAudioPlayer with the file at the given position, then begins playback. After I implemented sample code as below, and I checked memory usage. You can set the number of loops you'd like to play by making numberOfLoops a positive integer. them and keep them around, creating AVPlayerItem & AVPlayer only when you want to play one (or more) of the MP3's. This will certainly cause you problems because of the memory allocated. 0 player. To create a playlist, you can simply create an array of AVAudioPlayer instances, each initialized with the URL of AVPlayer can also play a queue of AVAssets and provide you with information on when it is beginning to play a new AVAsset, and which one. I know it was from OP, but I like to know the deference let qualityOfServiceClass = QOS_CLASS_BACKGROUND let backgroundQueue = dispatch_get_global_queue(qualityOfServiceClass, 0) dispatch_async(backgroundQueue, { audioPlayer. Then specify simultaneous start times for the first audio buffer in each audio queue, using the I cannot get your class Sounds version to work in my SwiftUI app. // for specific time func addTimeObserver() { var times = [NSValue]() var currentTime = kCMTimeZero // make your Trying to create a playlist of music files that are NOT part of the user's iphone library so I'm using AVAudioPlayer and creating the playlist functionality myself. This value does not belong to Audio AVAudioPlayer(data: data) player. may somebody is interested, here's my workflow: 1. Unable to trim an audio file with AVAssetExportSession. It plays some of them but I have one file that can't be played! NSOperationQueue *queue; __block BOOL isFile; UIButton *play; NSString *path; AVAudioPlayer *_player; } @end ViewController. You can also check other options such as AVPlayer to play your file. wav", ofType: nil) let url = URL(fileURLWithPath: soundFile!) self. OSStatus status = AudioQueueStart(queue, 0); Sometimes (and it's hard to reproduce) status equals to 561015905. Originally, AVAudioPlayer was causing it to run very slowly. Another best practice when using AVAudioPlayer for audio streaming is to implement buffering. async { self. concurrent, autoreleaseFrequency: . But the strange behavior is that AVaudioPlayer always not playing the sound, but in sometimes it play sound. async { //I'm on the audio queue here, thus not blocking the main thread let result = downloadSomeData() //Download is done here, and I'm not being blocked by other dispatch Using AVAudioPlayer works fine with all speakers I have tried including the UE BOOM 2. AVAudioPlayer. player stop] to stop my player when I play new song. AVAudioPlayer only plays in simulator but not device why?! (iPhone Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. main-thread #0 0x357e00d8 in __psynch_mutexwait () #1 0x3497d67a in pthread_mutex_lock () #2 0x359997a6 in -[AVAudioPlayer privCommonCleanup] () #3 Actually I am using AVAudioPlayer. About; Create one audio queue object for each sound that you want to play. There will still be some delay - preloading takes it's time. Because of this, we are using a global concurrent queue to ensure that the code does not run on the main thread. Unlike OpenAL, the I/O audio unit, and The most common way to play a sound on iOS is using AVAudioPlayer, and it's popular for a reason: it's easy to use, you can stop it whenever you want, and you can adjust its volume as often as you need. I know that AVAudioPlayer can only play one sound at a time, so I'm trying to figure out how to make a dynamic array of AVAudioPlayers that I can add to any time I need to play a sound. prepareToPlay() player. async { player. numberOfLoops = -1 only works for AVAudioPlayer. The variable retaining backgroundMusicPlayer must not go out of scope before play() has completed and returns. All the AVAudioPlayer operation should be manage on this singleton class. let displayLink = CADisplayLink(target: self, selector: In my case calling the . Is it Possible to Play numbers Of audio files can play at same time using AVAudioPlayer? or any other way to play numbers of audio . I have a problem that in approximately ten minutes after entering (DISPATCH_QUEUE_PRIORITY_DEFAULT, 0) dispatch_async(dispatchQueue, {[weak self] in var audioSessionError: NSError? Thanks for the answer. Thanks in advance Difference between AVAudioPlayer AVPlayer AVQueuePlayer MPMusicPlayerController MPRemoteCommandCenter MPNowPlayingInfoCenter for an iOS 13+ appAll of the threads on this topic are. Follow edited Mar 16, 2022 at 9:36. the syntax is pretty simple: audioPlayer. AVAudioRecorder. The solution, if you choose to continue to use AVAudioPlayer is to use some sort of collection object to hold strong reference to all the player instances. I had this same problem when setting currentTime before invoking the play method. Follow edited Apr 29, 2013 at 14:44. Provide details and share your research! But avoid . I am developing an iOS app wherein I should be able to record a sound, save it to the filesystem and then play it back from the disk. I'm trying to add the Sounds. to stop it, providing you have AVQueuePlayer is a subclass of AVPlayer, not AVAudioPlayer, which is why it's "missing" those methods. thisIsTheFoxe. Add a comment | 6 . I create a player, get a non-nil reference from the initializer, but the -play message returns NO and the player doesn’t play. The delay seems to be related to instantiating AVAudioPlayer for the first time. Follow edited May 23, 2017 at 12:13. prepareToPlay(), and then after a few start playing it. 5, If 5 seconds is not enough for you to get the next asset you can employ background task to delay the suspend. You can addBoundaryTimeObserver(forTimes:queue:using:) for a certain time or use addPeriodicTimeObserver(forInterval:queue:using:) for periodic intervals. I have a screen with 3 different buttons. execute just call soundActions() directly) doesn't fix the issue (though that does cause the game to lag significantly). You could set the timer to fire every half second or so. ended, this dictionary also contains the AVAudio Session Actually, the code is pretty straightforward since AVAudioPlayer and AVAudioRecorder have built in methods to get you on your way. In that case you could wait until you want to stop it and call stop. The volume is too low. Also, don't put the code in your main queue. Stack Overflow. Persevere, my friends! Look at the AVAudioPlayerDelegate protocol which has a method to tell the delegate when audio playback has finished among other things, specifically what you are looking for is - (void)audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag, here is a reference. background = [self. Trimming audio file in iOS 7 using AVAssetExportSession gives wrong duration. Then you can init your AVAudioPlayer by initWithData:error:. you have to use global concurrent queue to ensure that your code does not run on the main thread. Follow edited Jan 23, 2015 at 14:59. queuePlayer = AVQueuePlayer(playerItem: playerItem) // Create a new player looper with the queue player and template item self. currentTime audioPlayer. Is it possible to do this in AVAudioPlayer or do I need to use a different method? Thanks. I believe the best solution is to start an NSTimer as you start the AVAudioPlayer playing. func can Insert (AVPlayer Item, after: AVPlayer Item?) -> Bool. 5. enableRate = YES; player. Don Don. At first it works well, but in the middle of playing sound track, I got the following AVAudioPlayer makes easy to playback the audio data from local files and memory. a collection of one or more AVAudioSession instances) An object for scheduling the playback of buffers or segments of audio files. the player is working and playing the songs however, the averagePowerForChannel is never updated and . It plays audio most of the time, but no audio plays once every 15-20 times. And you probably know yourself, that . You should safely unwrap your AVAudioPlayer(contentsOf: url as URL) often fails to fetch data from remote location. AVAudioPlayer. dylib 0x0000000100363a06 _dispatch_root_queue_drain + 816 12 libdispatch. Play(); }); } This works fine most of the time but when two sounds gets triggered at the same time it's seems like one of I want my AVAudioPlayer to play some mp3 files. path(forResource: "slap_placeholder. Add a comment | Your Answer It's not possible to play iPod audio in AVAudioPlayer. My app is a game, with background music and many sound effects. 6. mainBundle() /* Find the I have a curious problem with the AVAudioPlayer class. It resulted in a crash mentioned above, though it was extremely rare. Is -prepareToPlay of AVAudioPlayer to be called in a background queue? Ask Question Asked 12 years ago. dylib 0x00000001003642da _dispatch_worker_thread2 + 125 13 libsystem_pthread. By default AVAudioPlayer plays its audio from start to finish then stops, but you can control how many times to make it loop by setting its numberOfLoops property. mAudioPlayer = try! I had sound in simulator, but not on device. play() }) Share Improve this answer So far I have tried setting the rate of the AVAudioPlayer: player = [[AVAudioPlayer alloc] initWithContentsOfURL:referenceURL error:&error]; player. play Learn how to load a sound file or sound effect, configure an AVSession to play sound, and play a sound file using AVAudioPlayer in Swift. so all songs are overlapped please any body tell me where I put [self. If you set this property to a negative integer value, when you play the AVAudioPlayer, it will loop until stopped. The URL used with initWithContentsOfURL: must be a File URL (file://). It has a lot of additional features that you may want to leverage later. Moving the property set of currentTime to after invoking play method allowed AVAudioPlayer to return YES instead of NO. AVFoundation. dylib 0x00000001997652d8 lookUpImpOrForward You are also correct that an AVAudioPlayer strong pointer will only allow one audio player to be referenced at a time. addPeriodicTimeObserver(forInterval: interval, queue: . playerLooper = AVPlayerLooper(player One work around way to use AVAudioPlayer is to fetch the audio's data and put it in a NSData. Modified 12 years ago. I have implemen I did a basic implementation of an AVAudioPlayer: do { try AVAudioSession. I even tried to prep a separate AVAudioPlayer using the prepareToPlay method and have the second one start playing as soon as the first one was done, but there was still a slight delay. Things that The most common way to play a sound on iOS is using AVAudioPlayer, and it's popular for a reason: it's easy to use, you can stop it whenever you want, and you can adjust Audio Queue Services adds playback capabilities beyond those available with the AVAudioPlayer class. Yes - I verified that it is the AVAudioPlayer with Instruments. AVAudioPlayer doesn't play sound? 5. It started working when I set AVAudioPlayer delegate. asset) self. When Button1 is tapped an AVQueuePlayer is called. Because like this it doesn't show a time like 1:61 in the label. An extension on AVPlayer which converts it to have all useful features of AVAudioPlayer but with streaming support. In order to do something at certain intervals, I'd suggest you kept an instance variable for the playback time from last time your I created an AVAudioPlayer object and I want to track after every change in it's current time. 4. Moreover there is no reason to suppose that AVAudioPlayer is thread safe. stop() method from the Main thread (you can use another) has resolved the issue. If It should have methods to queue items and stop, play or next. 31. The topic of recording audio from within an iOS app is covered in the next chapter entitled Recording Audio on iOS 17 with AVAudioRecorder. ), make sure there is at least 44 bytes of padding in front, so there's room to copy the header in. C. I do need it to loop without any delay / black flash etc. My solution was to use AVAudioPlayer only for music, since the high level API made it useful for that, but even then to do a: dispatch_async to a special music queue when I wanted to do any operations around playing music. if it is on the main thread then problem like you are facing Im getting a EXC_BAD_ACCESS when I create my AVAudioPlyer in a custom NSObject that I use as a shared instance across my application. Share. I have initialised the AVAudioPlayer as given below. Follow edited Mar 17, 2019 at 22:18. DispatchQueue. With this you can implement AVAudioPlayer with why you used var audioPlayer : AVAudioPlayer? couldn't we just use var audioPlayer : AVAudioPlayer = AVAudioPlayer() when we use optional it makes us extra unwrapping. I'm using AVAudioPlayer and want that the user can restart the playback once the loop is played back. A. avaudioplayer; avaudiorecorder; Share. The notification’s user-information dictionary contains the AVAudio Session Interruption Type Key key. My app is expected to run for over 10 hours or over. Tells the delegate when The AVAudioPlayer class lets you play sound in any audio format available in iOS. Developers use sound in iOS and func audioPlayerDecodeErrorDidOccur(AVAudioPlayer, error: (any Error)?) Tells the delegate when an audio player encounters a decoding error during playback. because we are using do-catch in load or play. This intent then interacts with a singleton class that manages my AVAudioPlayer. As to the method - I use this one because I actually save the different tracks and reuse them by matching names and if they are not playing (instead of Hi I am making an iOS game in SpriteKit and decided to use an AvAudioPlayerNode and engine instead off the regular AvAudioPlayer so I could change the pitch and playbackspeed but I have come across a - (void) audioPlayerDidFinishPlaying: (AVAudioPlayer *) player successfully: (BOOL) flag { but I don't understand how to release my sound id inside this delegate method, because if I release inside soundId my app crash after some minutes that I use my app I have with crash this message "shm_open failed: "Apple Audio Queue" Specifically, I've implemented a play button in my widget that triggers an AudioPlaybackIntent. I need to recognize which audio played in background. . Sorry. swift ios extension objective-c audio-visualizer avfoundation audio-player audio-streaming avplayer avaudioplayer audio-processing metering Now, I'm trying to make continuous loop playback function with AVAudioPlayer. Improve this question. 31k 19 19 gold badges 62 AVAudioPlayer. Else it will block your user interface from reacting to user's input. Try to figure out a way to distract the user with some animation or something during this AVAudioPlayer: Keeping device speakers active between plays Media Technologies Audio AVFoundation You’re now watching this thread. duration) var total = currentTime - duration var totalString = String(total) var minutes = currentTime/60 var seconds = currentTime I have an AVAudioPlayer instance that loads sound in memory with audioPlayer. All help is appreciated. However, as it seems to be the simplest sound API to work with, (especially for a 2D game like mine) I simply decided to play the sounds concurrently using I have used AVAudioPlayer and set the numberofloop to -1 because I want to play the audio in an infinite loop. pause() and audioPlayer. You should read AVAudioPlayer's documentation. It does that by calling an -invoke method on that internal object. Creates a player to play I am looking for a way to simply play audio files one after another. I'm personally using ObjectAL. AFAICT the callsite in frame 1 is the run loop calling that -invoke method, which means that somehow this object managed to get corrupted, either going into the queue, while on the queue, or coming out of the queue. sharedInstance(). It is built on top of Core Audio’s C-based Audio Queue Service. numberOfLoops = 0; player. volume = 1 } -> Don't forget to setCategory to AVAudioSessionCategoryAmbient Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company However, what I want is for the current song to stop playing when I press on another button or even on the same button again. vvvvv. frame #16: 0x00007fff3f3e8fc2 AVFAudio`-[AVAudioPlayer prepareToPlay] + 40 frame #17: 0x000000010000703c EggTimer`ViewController. 1 I made audio player. 321 2 2 silver badges 14 14 bronze badges. Related. It says the When we look at the properties of AVAudioPlayer, we can see that non of them have an explicit attribute about atomicity, which makes them atomic by default. FromUrl(url); player. volume = 0 } else { IsMuted = false musicPlayer. default, options: [. asked Mar 17, 2019 at 16:43. with my code, if even there is no file to play we would not get in trouble. That's why I'm not using MPMoviePlayerViewController. Returns a Boolean value that indicates whether you can insert a player item into the player’s queue. My approach was this: make a repeating call to -updateMeters and the averagePowerForChannel: & peakPowerForChannel: methods and call a delegate method to notify the controlling object; Example: When the app is in foreground the app works fine and plays the audio - but when the app goes into background and the app attempts to play a sound the return value from the [avAudioPlayer play] is NO and the sound does not play - when switched back to foreground the audio starts working again. create a GCD queue to handle all accesses to Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I didn't find any useful resources to look at for understanding AVQueuePlayer but AVAudioPlayer can do the things I want to do anyways. Edit: after further consultation with this issue, calling stop then play seems to work more consistently and thus allows Ends playback of the current item and starts playback of the next item in the player’s queue. This audio node supports scheduling the playback of AVAudioPCMBuffer instances, or segments of audio files I'd like to move some operations involving AVAudioPlayer - and possibly AVAudioEngine, although that's less important - off the main thread using a serial dispatch queue or similar AVAudioPlayer makes easy to playback the audio data from local files and memory. setMode(. Thread 1, Queue : com. _dispatch_client_callout + 8 11 libdispatch. And YOUR code is certainly not thread safe, as you are talking to the audio player simultaneously from different threads. I use this code to set up the observer: queue:usingBlock: But I don't want to lose all the advantages of the AVAudioPlayer object. m4a") in an . This ensures that the main thread remains responsive while the audio file is being loaded. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company yeah! but i want to append playing raw data, like queue. dylib 0x00000001003ca0b7 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Create a reference for your AVAudioPlayer : private var mAudioPlayer : AVAudioPlayer? Use this function for play a sound you are storing in your app : func onTapSound(){ let soundFile = Bundle. Changing the dispatch queue to some of the other AVAudioPlayer not responding in the background; How to Play Audio in Background Swift? Things I have learned so far is that I probably want to use the AVAudioSession with the Ambient category so that my sound mixes with the native music app. App has an audio queue (order of track play) that can be adjusted at any time by the app or native iOS controls. You need to make the audio session active yourself after the interruption. Hope that helps! I actually made a radio app for the iPhone and iPad. The documentation on this is scattered, but the Skype app proves it's possible. Some parts in my code still need adjustment but here is what I came up with: import Foundation import AVKit final class AudioQueueManager: ObservableObject { var player: AVAudioPlayer? AVAudioPlayer(contentsOf: url) else { fatalError("Unable to instantiate AVAudioPlayer") } player. playSounds(soundfile: "GetReady. , having sounds. startTimer(self=0x0000604000120960) at ViewController. how can i play remote . avaudioplayer; avkit; dispatch-queue; Share. 1,646 1 1 gold badge 15 15 silver badges 19 19 bronze badges. Firts I create audio player object like: var mp3Player: If you declare your AVAudioPlayer in a class method like -viewDidLoad, and ARC is on, the player will be released right after -viewDidLoad and become nil, (-(BOOL)play method won't block a thread) this will happend in milliseconds, obvious "nil" can't play anything, so you won't even hear a sound. That is, a local path. Please notice, that you have to get your hands dirty and change some lines in xcode. I believe the stop AVAudioPlayer code would go right when the function "play" begins so that it stops the player before any other song starts playing. AVAudioPlayer not playing audio Swift. swift:78 Will download one data at a time and play audio let audioQueue = DispatchQueue(label: "Audio Queue My App", qos: . Exception Note: EXC_CORPSE_NOTIFY Termination Reason: SIGNAL 11 Segmentation fault: 11 Terminating Process: exc handler [9393] Triggered by Thread: 0 Kernel Triage: VM - pmap_enter failed with resource shortage VM - pmap_enter failed with resource shortage Thread 0 name: Thread 0 Crashed: 0 libobjc. Better declare the player as ViewController's @property or make it as a global AVAudioPlayer, while the sound plays on a different thread, will cause a long delay initializing itself on its current thread. default) try AVAudioSession. sound("tester") } } override The AVAudioPlayer class does not provide support for streaming audio based on HTTP URL's. I'm facing a really strange issue with AVAudioPlayer. Skip to main content // play the sound let queue = DispatchQueue(label: "audioPlayer", qos: . play() } Share. Things that yes it is true playAtTime is a nifty METHOD that does neat tricks, but in this case it will not help achieve what the OP wants to do. Add a comment | Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I had a similar issue in past and found out that concurrent thread access was the reason. I'm brand new to Swift and I have zero experience with iOS APIs. What am I doing wrong with the observer? Do you have another suggestion how to use AVAudioPlayer and manage tracking Adding on some more details. It probably won't work though. swift:26 frame #18: 0x0000000100003796 EggTimer`ViewController. began, the system interrupted your app’s audio session and it’s no longer active. The AVAudioPlayer supports playing and looping audio as well as implementing rewind and fast-forward. so, I think that I need to solve memory leak problem. delegate = self; [player prepareToPlay]; [player play]; with no luck at all, the sound plays but just ignores the rate I give it. @nemesis: you might speed it up a bit more if you s put AVAudioPlayer as a property of AppDelegate and start preloading it in background thread started in application:didFinishLaunchingWithOptions:. h" @implementation SCRViewController - (void)viewDidLoad { [super viewDidLoad I need to reproduce an MP3 file and I'm using this code: import AVFoundation var player: AVAudioPlayer? @IBAction func playSound(sender: UIButton) { //Making the phone vibrate I use the AVAudioPlayer and use it asynchronously and in background threads without any problems and no leaks as far as I can tell. 1,735 1 1 gold Web audio on ios conflicting with audio queue, only on device. 4, Make sure the audio queue in AVQueuePlayer never become empty, otherwise your App will be suspended when it finishes playing the last asset. David Rönnqvist . The only real catch is that you must store your player as a property or other variable that won't get destroyed straight away – if you don't, the sound will stop Start playing long audio file with AVAudioPlayer - 100% volume (loud). playAtTime is not a property, but a command telling the player when, in relation to it's device clock to start playback from the start of the media file (default) or from the time previously assigned to the currentTime property. prepareSound(self=0x0000604000120960) at VireController_sound. When Button2 or Button3 is tapped, an AVAudioPlayer is called. I have built a video control that uses the following: to position the slider use something like this to get playhead's percentage through the movie, you will need to fire this function repeatedly. The problem arises when Button1 is ta There is no reason to say play on a background thread; playing a sound does not block the main thread. While playback is good when the app in the foreground, with a . I have seen older posts that claim that this ability has been removed and can only be accomplished with AVAudioPlayer. func updateTime() { var currentTime = Int(audioPlayer. 11 of 25 symbols inside <root> containing 13 symbols. Timer doesn't offer precise firing and can drift earlier or later than requested updates, and also has no idea about screen redraws and so could happily fire 10ms after a screen redraw just happened. playAndRecord, mode: . It does require you setting the duration of the currently playing item. defaultToSpeaker]) This code should work for you if you are using AVPlayer, I use it in one of my apps. My game has background music, tons of sounds playing simultaneously, and loopable sounds that increase in volume, pitch etc based on a sprites speed. It works on the first pass (meaning the first song is played). 3,684 1 1 gold badge 28 let musicPlayer:AVAudioPlayer = AVAudioPlayer() var IsMuted:Bool = false if IsMuted == false { IsMuted = true musicPlayer. The output volume on the AVAudioPlayer sound greatly decreases; Call [[SCListener sharedListener] stop] to dispose of the queue; AVAudioPlayer sound resumes higher playback volume Speaking from experience: Make sure you've got AudioToolbox and not just AVFoundation added under "Link Binary With Libraries", or you will tear your hair out trying to figure out why the audio isn't actually fading even though your NSLogs are showing this method is getting called and the volume is changing. onAppear() but it won't play my sound. AVAudioPlayer out of scope. Hope that works for others like it did for me. ios; avaudioplayer; Share. My code presently uses AVAudioPlayer to play audio. Every once in a while, AVAudioPlayer crashes when I call its play method. In other words, you'll have to use a different API like Audio Queue Services. But I'm pretty sure I'd set the device volume to max. If the interruption type is AVAudio Session. When the first song finishes and it goes to play the 2nd AVAudioPlayer crashes in prepareToPlay. 5; player. If the interruption type is AVAudio Session. When I try to play the file off the disk, I could barely hear anything. Weston Mitchell Weston Mitchell. You'll find that the player has two properties that pertain to this, currentTime and duration audioPlayer. Hope it helps. 17 Jan 2021 • 3 min read Developers use sound in iOS and macOS apps to create unique experiences that engage the user. Seems that the . IOS. 2 there was still a delay when trying to play two files in a row using AVAudioPlayer. In fact, I was able to play the first element of the Class containing methods that relate to an application bundle’s audio (i. I have turned on the background capabilities in the tab and in the plist. To navigate the symbols, press Up Arrow, Down Arrow, Left Arrow or Right Arrow . e. AVAudioPlayerNode using AVAudioPCMBuffer - no audio playing. I know as of iOS 4. answered Aug 4 The run loop then pulls items off that queue and runs them. While the playback is asynchronous, your playback will not be affected from the property modifications (while the asynchronous operation will put a lock on those properties). Community Bot. my player is working very fine (forward,revind,play,pause,volume,progress bar). For the user feedback I used UIAlertController but I still struggle to get the replay done with self->_file atTime:nil completionHandler:^{ dispatch_async(dispatch_get_main_queue(), ^{ UIAlertController * alert= [UIAlertController The problem is that my app is designed to use the users music library and I am using the MPMusicPickerController to set the player queue. AVAudioPlayer may be trying to load the json file as an mp3; Share. Here's what I discovered after experimenting with the placement of: var player: AVAudioPlayer! I am trying to get the averagePowerForChannel of my AVAudioPlayer in order to draw some graphics. Just make sure you release the objects that you own once you are done using them. You can also set this property to -1, which automatically causes AVAudioPlayer to loop the sound Use the AV Foundation framework’s AVAudioPlayer class. – In my iPhone app I have an instance of AVAudioPlayer which I release (so that I can then initialize another one with a different URL in its place). Improve this answer. 7. Take a look at the AddMusic sample code. wsrfk bztudv mxkcjdv vwdlz adecn xiuuj hjrgc dabdz cdj wky