
Swift更新
let vol = AVAudioSession.sharedInstance().outputVolume
float vol = [[AVAudioSession sharedInstance] outputVolume];NSLog(@"output volume: %1.2f dB", 20.f*log10f(vol+FLT_MIN));
欢迎分享,转载请注明来源:内存溢出

Swift更新
let vol = AVAudioSession.sharedInstance().outputVolume
float vol = [[AVAudioSession sharedInstance] outputVolume];NSLog(@"output volume: %1.2f dB", 20.f*log10f(vol+FLT_MIN));
欢迎分享,转载请注明来源:内存溢出
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