AudioToolbox macOS 10.14 to 10.15 API Differences

AUAudioUnit.h
Added AUAudioObjectID
Added AUAudioUnit.userPresets
Added -[AUAudioUnit saveUserPreset:error:]
Added -[AUAudioUnit deleteUserPreset:error:]
Added -[AUAudioUnit presetStateFor:error:]
Added AUAudioUnit.supportsUserPresets
Added AUAudioUnit.isLoadedInProcess
Modified AUAudioUnit.parameterTree
Declaration
From@property (atomic, readonly) AUParameterTree *parameterTree
To@property (atomic, retain) AUParameterTree *parameterTree

Modified AUAudioUnit.deviceID
Declaration
From@property (nonatomic, readonly) AudioObjectID deviceID
To@property (nonatomic, readonly) AUAudioObjectID deviceID

Modified -[AUAudioUnit setDeviceID:error:]
Declaration
From- (BOOL)setDeviceID:(AudioObjectID)deviceID error:(NSError * _Nullable *)outError
To- (BOOL)setDeviceID:(AUAudioObjectID)deviceID error:(NSError * _Nullable *)outError

AUComponent.h
Added #def INTERAPP_AUDIO_DEPRECATED
Added kAudioUnitSubType_Reverb2
Added kAudioUnitErr_InvalidFilePath
Added kAudioUnitErr_MissingKey
AudioCodec.h
Added kAudioCodecPropertyEmploysDependentPackets
Added kAudioCodecPropertyBitRateForVBR
AudioFile.h
Added kAudioFileLATMInLOASType
Added kAudioFileInvalidPacketDependencyError
Added AudioPacketRangeByteCountTranslation
Added AudioPacketRollDistanceTranslation
Added AudioIndependentPacketTranslation
Added AudioPacketDependencyInfoTranslation
Added kAudioFilePropertyRestrictsRandomAccess
Added kAudioFilePropertyPacketToRollDistance
Added kAudioFilePropertyPreviousIndependentPacket
Added kAudioFilePropertyNextIndependentPacket
Added kAudioFilePropertyPacketToDependencyInfo
Added kAudioFilePropertyPacketRangeByteCountUpperBound
AudioFileStream.h
Added kAudioFileStreamProperty_RestrictsRandomAccess
Added kAudioFileStreamProperty_PacketToRollDistance
Added kAudioFileStreamProperty_PreviousIndependentPacket
Added kAudioFileStreamProperty_NextIndependentPacket
Added kAudioFileStreamProperty_PacketToDependencyInfo
AudioFormat.h
Removed AudioFormatListItem
Added kAudioFormatProperty_FormatEmploysDependentPackets
AudioQueue.h
Added kAudioQueueProperty_ChannelAssignments
Added AudioQueueChannelAssignment
AudioServices.h
Added kSystemSoundID_Vibrate
AudioUnitParameters.h
Added k3DMixerParam_BusEnable
Added k3DMixerParam_MinGainInDecibels
Added k3DMixerParam_MaxGainInDecibels
Added k3DMixerParam_DryWetReverbBlend
Added k3DMixerParam_GlobalReverbGainInDecibels
Added k3DMixerParam_OcclusionAttenuationInDecibels
Added k3DMixerParam_ObstructionAttenuationInDecibels
Modified k3DMixerParam_ReverbBlend
AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_DryWetReverbBlend

Modified k3DMixerParam_GlobalReverbGain
AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_GlobalReverbGainInDecibels

Modified k3DMixerParam_OcclusionAttenuation
AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_OcclusionAttenuationInDecibels

Modified k3DMixerParam_ObstructionAttenuation
AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_ObstructionAttenuationInDecibels

Modified k3DMixerParam_MinGain
AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_MinGainInDecibels

Modified k3DMixerParam_MaxGain
AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_MaxGainInDecibels

AudioUnitProperties.h
Added #def kAUPresetNumberKey