MAC audioUnit AudioComponentInstanceDispose crash

the audio unit subType is kAudioUnitSubType_VoiceProcessingIO, and use kAudioOutputUnitProperty_CurrentDevice to set Device ID for the audio unit

OSStatus result = AudioOutputUnitStop(audio_unit);  result = AudioUnitUninitialize(audio_unit);  result = AudioComponentInstanceDispose(audio_unit);  

Thread trace:

3   ExceptionHandling                   0x00007fff3c64ef31 -[NSExceptionHandler _handleException:mask:] + 364  4   ExceptionHandling                   0x00007fff3c64ecac NSExceptionHandlerUncaughtSignalHandler + 35  5   libsystem_platform.dylib            0x00007fff204d3d7d _sigtramp + 29  6   CoreFoundation                      0x00007fff2050f381 CFStringGetLength + 11  7   CoreFoundation                      0x00007fff205225c7 CFStringCompare + 24  8   CoreAudio                           0x00007fff221e83f5 _ZN9HALDevice4DuckEfPK14AudioTimeStampf + 921  9   CoreAudio                           0x00007fff21d3ed48 AudioDeviceDuck + 843  10  AudioDSP                            0x00000001390d7d4a _Z14DuckOtherAudiojff + 51  11  AudioDSP                            0x0000000139213e06 _ZN16AUVoiceProcessor22DestroyAggregateDeviceEv + 974  12  AudioDSP                            0x0000000139215459 _ZN16AUVoiceProcessorD2Ev + 417  13  AudioDSP                            0x00000001392efdec _ZN13ComponentBase8AP_CloseEPv + 30  14  AudioToolboxCore                    0x00007fff219e4b6a AudioComponentInstanceDispose + 55  

https://stackoverflow.com/questions/67260345/mac-audiounit-audiocomponentinstancedispose-crash April 26, 2021 at 11:06AM