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(iOS) Why does AVAudioPlayer initWithContentsOfURL …
https://stackoverflow.com/questions/9462728/ios-why-does-avaudioplayer-initwithcontentsofurl-always-fail-with-error-code
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ios - AVAudioPlayer initWithContentsOfURL returns nil for ...
https://stackoverflow.com/questions/20104398/avaudioplayer-initwithcontentsofurl-returns-nil-for-aac-m4a-files
AVAudioPlayer initWithContentsOfURL returns nil for AAC/M4A files. Ask Question Asked 8 years, 2 months ago. Active 3 years, 5 months ago. Viewed 9k times 5 1. I use the following code to play an audio file. It plays fine for MP3 ...
Apple Developer Documentation
https://developer.apple.com/documentation/avfaudio/avaudioplayer/1387281-initwithcontentsofurl
AVAudioPlayer ; initWithContentsOfURL:error: Language: Language: Swift ; Objective-C ; API Changes: None; Instance Method init With Contents Of URL: error: Creates a player to play audio from a file. Availability. iOS 2.2+ iPadOS 2.2+ macOS 10.7+ Mac Catalyst 13.0+ tvOS 9.0+ watchOS 7.0+ Framework. AVFAudio ...
Could not initialize an instance of the type 'AVFoundation ...
https://social.msdn.microsoft.com/Forums/en-US/28eeda9e-6ee8-4049-9861-fa4b0e6a9cae/could-not-initialize-an-instance-of-the-type-avfoundationavaudioplayer
I tried with all the AVAudioPlayer contractors but all of them fail throwing this exception: Could not initialize an instance of the type 'AVFoundation.AVAudioPlayer': the native 'initWithContentsOfURL:error:' method returned nil. I will really appreciate any …
Apple Developer Documentation
https://developer.apple.com/documentation/avfaudio/avaudioplayer
class AVAudioPlayer: NSObject. Overview. Use an audio player to: Play audio of any duration from a file or buffer. Control the volume, panning, rate, and looping behavior of the played audio. Access playback-level metering data. Play multiple sounds simultaneously by synchronizing the playback of multiple players.
iOS AVAudioPlayer(音频播放) - 简书 - jianshu.com
https://www.jianshu.com/p/b6696495504b
iOS AVAudioPlayer(音频播放) AVAudioPlayer. 在iOS程序中，音频播放随处可见，有的声音只有1秒，有的声音好几分钟 。iOS支持的音频格式AAC、ALAC、IMA4、linear、MP3。 AVAudioPlayer类用于回放音频数据。是一个易于使用的类，它提供了大量的功能。
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