当使用AVAudioPlayer播放音频时,无论是mp3还是wav,在所有iPads和iPhone 4S上都会出现异常,只有iOS 9会出现异常。这种情况在其他设备上不会发生。
例外的原因是
com.apple.coreaudio.AQClient (18): breakpoint 2.2
从…
libc++abi.dylib`__cxa_throw:
我正在使用用户断点来捕获它。$arg1不包含任何内容
这就是我初始化AVAudioPlayer的方式
guard let path = Bundle.main.path(forResource: file, ofType: type) else { return nil }
guard let url = URL(string: path) else { return nil }
try? AVAudioSession.sharedInstance().setCategory(AVAudioSessionCategoryAmbient, with: .mixWithOthers)
try? AVAudioSession.sharedInstance().setActive(true)
return try? AVAudioPlayer(contentsOf: url)
我正在播放来自异步全局调度队列的声音,播放声音的方法包含
self.sound?.prepareToPlay()
self.sound?.play()
最初的文件是wav文件,所以我将其转换为mp3文件,这是没有帮助的。我还使用了一个完全不同的声音,它产生了相同的异常。
该异常本身不会使模拟器崩溃,尽管Rollbar使用以下stracktrace报告SIGSEGV错误:
libAVFAudio.dylib in 0x27c1c000
使用的音频类:
import AVFoundation
import Foundation
class Audiotools {
var sound: AVAudioPlayer?
let dispatchQueue = DispatchQueue(label: "audio")
static var shared: Audiotools = {
let manager = Audiotools()
return manager
}()
init() {
self.sound = configurePlayer(withFile: Files.sound.name, type: Files.sound.extension)
}
func configurePlayer(withFile file: String, type: String) -> AVAudioPlayer? {
guard let path = Bundle.main.path(forResource: file, ofType: type) else { return nil }
guard let url = URL(string: path) else { return nil }
try? AVAudioSession.sharedInstance().setCategory(AVAudioSessionCategoryAmbient, with: .mixWithOthers)
try? AVAudioSession.sharedInstance().setActive(true)
return try? AVAudioPlayer(contentsOf: url)
}
func playSound() {
self.dispatchQueue.async {
self.sound?.prepareToPlay()
self.sound?.play()
}
}
}
其他滚动条报告:
SIGSEGV: Application terminated
libsystem_platform.dylib in _platform_memmove
AudioToolbox in Cached_DataSource::ReadFromHeaderCache(long long, unsigned int, void*, unsigned int*)
AudioToolbox in Cached_DataSource::ReadBytes(unsigned short, long long, unsigned int, void*, unsigned int*)
AudioToolbox in AudioFileObject::ReadBytes(unsigned char, long long, unsigned int*, void*)
AudioToolbox in AudioFileObject::ReadPacketDataVBR(unsigned char, unsigned int*, AudioStreamPacketDescription*, long long, unsigned int*, void*)
AudioToolbox in AudioFileReadPacketData
AVFAudio in AVAudioPlayerCpp::AQOutputCallbackCore(OpaqueAudioQueue*, AudioQueueBuffer*)
AVFAudio in AVAudioPlayerCpp::prepareToPlayQueue()
AVFAudio in AVAudioPlayerCpp::playQueue(AudioTimeStamp const*)
AVFAudio in AVAudioPlayerCpp::play()
AVFAudio in -[AVAudioPlayer play]
还有没有人遇到过这样的问题?
发布于 2018-06-06 04:24:01
结果是wav和mp3音频文件都被损坏了。转换为aiff解决了这个问题。
发布于 2018-06-12 14:39:07
请尝试使用AVAudioSessionCategoryPlayback而不是AVAudioSessionCategoryAmbient。
AVAudioSessionCategoryAmbient :将此类别用于背景声音,如雨、汽车发动机噪音等。
与其他音乐混合。
AVAudioSessionCategoryPlayback :此类别用于音乐曲目。
https://stackoverflow.com/questions/50530421
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