https://www.osstatus.com/search/results?platform=all&framework=all&search=（错误码的值）
EX: https://www.osstatus.com/search/results?platform=all&framework=all&search=-10849
case kAudioUnitErr_CannotDoInCurrentContext: text = @"kAudioUnitErr_CannotDoInCurrentContext"; break;
case kAudioUnitErr_FailedInitialization: text = @"kAudioUnitErr_FailedInitialization"; break;
case kAudioUnitErr_FileNotSpecified: text = @"kAudioUnitErr_FileNotSpecified"; break;
case kAudioUnitErr_FormatNotSupported: text = @"kAudioUnitErr_FormatNotSupported"; break;
case kAudioUnitErr_IllegalInstrument: text = @"kAudioUnitErr_IllegalInstrument"; break;
case kAudioUnitErr_Initialized: text = @"kAudioUnitErr_Initialized"; break;
case kAudioUnitErr_InstrumentTypeNotFound: text = @"kAudioUnitErr_InstrumentTypeNotFound"; break;
case kAudioUnitErr_InvalidElement: text = @"kAudioUnitErr_InvalidElement"; break;
case kAudioUnitErr_InvalidFile: text = @"kAudioUnitErr_InvalidFile"; break;
case kAudioUnitErr_InvalidOfflineRender: text = @"kAudioUnitErr_InvalidOfflineRender"; break;
case kAudioUnitErr_InvalidParameter: text = @"kAudioUnitErr_InvalidParameter"; break;
case kAudioUnitErr_InvalidProperty: text = @"kAudioUnitErr_InvalidProperty"; break;
case kAudioUnitErr_InvalidPropertyValue: text = @"kAudioUnitErr_InvalidPropertyValue"; break;
case kAudioUnitErr_InvalidScope: text = @"kAudioUnitErr_InvalidScope"; break;
case kAudioUnitErr_NoConnection: text = @"kAudioUnitErr_NoConnection"; break;
case kAudioUnitErr_PropertyNotInUse: text = @"kAudioUnitErr_PropertyNotInUse"; break;
case kAudioUnitErr_PropertyNotWritable: text = @"kAudioUnitErr_PropertyNotWritable"; break;
case kAudioUnitErr_TooManyFramesToProcess: text = @"kAudioUnitErr_TooManyFramesToProcess"; break;
case kAudioUnitErr_Unauthorized: text = @"kAudioUnitErr_Unauthorized"; break;
case kAudioUnitErr_Uninitialized: text = @"kAudioUnitErr_Uninitialized"; break;
case kAudioUnitErr_UnknownFileType: text = @"kAudioUnitErr_UnknownFileType"; break;
default: text = @"unknown error";