iPhone OS Reference Library Apple Developer Connection spyglass button

iPhone OS 2.0 to 2.1 API Changes

AddressBook

No changes

AddressBookUI

No changes

AudioToolbox

AudioConverter.h
Added AudioConverterComplexInputDataProc
Added AudioConverterConvertBuffer()
Added AudioConverterDispose()
Added AudioConverterFillComplexBuffer()
Added AudioConverterGetProperty()
Added AudioConverterGetPropertyInfo()
Added AudioConverterInputDataProc
Added AudioConverterNew()
Added AudioConverterNewSpecific()
Added AudioConverterPrimeInfo
Added AudioConverterPropertyID
Added AudioConverterRef
Added AudioConverterReset()
Added AudioConverterSetProperty()
Added kAudioConverterApplicableEncodeBitRates
Added kAudioConverterApplicableEncodeSampleRates
Added kAudioConverterAvailableEncodeBitRates
Added kAudioConverterAvailableEncodeChannelLayoutTags
Added kAudioConverterAvailableEncodeSampleRates
Added kAudioConverterChannelMap
Added kAudioConverterCodecQuality
Added kAudioConverterCompressionMagicCookie
Added kAudioConverterCurrentInputStreamDescription
Added kAudioConverterCurrentOutputStreamDescription
Added kAudioConverterDecompressionMagicCookie
Added kAudioConverterEncodeAdjustableSampleRate
Added kAudioConverterEncodeBitRate
Added kAudioConverterErr_BadPropertySizeError
Added kAudioConverterErr_FormatNotSupported
Added kAudioConverterErr_InputSampleRateOutOfRange
Added kAudioConverterErr_InvalidInputSize
Added kAudioConverterErr_InvalidOutputSize
Added kAudioConverterErr_OperationNotSupported
Added kAudioConverterErr_OutputSampleRateOutOfRange
Added kAudioConverterErr_PropertyNotSupported
Added kAudioConverterErr_RequiresPacketDescriptionsError
Added kAudioConverterErr_UnspecifiedError
Added kAudioConverterInputChannelLayout
Added kAudioConverterOutputChannelLayout
Added kAudioConverterPrimeInfo
Added kAudioConverterPrimeMethod
Added kAudioConverterPropertyBitDepthHint
Added kAudioConverterPropertyCalculateInputBufferSize
Added kAudioConverterPropertyCalculateOutputBufferSize
Added kAudioConverterPropertyFormatList
Added kAudioConverterPropertyInputCodecParameters
Added kAudioConverterPropertyMaximumInputBufferSize
Added kAudioConverterPropertyMaximumInputPacketSize
Added kAudioConverterPropertyMaximumOutputPacketSize
Added kAudioConverterPropertyMinimumInputBufferSize
Added kAudioConverterPropertyMinimumOutputBufferSize
Added kAudioConverterPropertyOutputCodecParameters
Added kAudioConverterPropertySettings
Added kAudioConverterQuality_High
Added kAudioConverterQuality_Low
Added kAudioConverterQuality_Max
Added kAudioConverterQuality_Medium
Added kAudioConverterQuality_Min
Added kAudioConverterSampleRateConverterAlgorithm
Added kAudioConverterSampleRateConverterComplexity
Added kAudioConverterSampleRateConverterComplexity_Linear
Added kAudioConverterSampleRateConverterComplexity_Mastering
Added kAudioConverterSampleRateConverterComplexity_Normal
Added kAudioConverterSampleRateConverterInitialPhase
Added kAudioConverterSampleRateConverterQuality
Added kConverterPrimeMethod_None
Added kConverterPrimeMethod_Normal
Added kConverterPrimeMethod_Pre
AudioFile.h
Added kAudioFilePropertyID3Tag
AudioServices.h
Removed kAudioSessionRouteChangeReason_BroadcastUpdate
Removed kAudioSessionRouteChangeReason_PolicyChange
Added AudioSessionRemovePropertyListenerWithUserData()
Added kAudioSessionOverrideAudioRoute_None
Added kAudioSessionOverrideAudioRoute_Speaker
Added kAudioSessionProperty_CurrentHardwareIOBufferDuration
Added kAudioSessionProperty_CurrentHardwareInputLatency
Added kAudioSessionProperty_CurrentHardwareInputVolume
Added kAudioSessionProperty_CurrentHardwareOutputLatency
Added kAudioSessionProperty_CurrentHardwareOutputVolume
Added kAudioSessionProperty_OtherAudioIsPlaying
Added kAudioSessionProperty_OverrideAudioRoute
Added kAudioSessionRouteChangeReason_CategoryChange
Modified AudioSessionRemovePropertyListener()
Deprecation
Old 
NewiPhone OS 2.0

ExtendedAudioFile.h
Added ExtAudioFileCreateWithURL()
Added ExtAudioFileDispose()
Added ExtAudioFileGetProperty()
Added ExtAudioFileGetPropertyInfo()
Added ExtAudioFileOpenURL()
Added ExtAudioFilePropertyID
Added ExtAudioFileRead()
Added ExtAudioFileRef
Added ExtAudioFileSeek()
Added ExtAudioFileSetProperty()
Added ExtAudioFileTell()
Added ExtAudioFileWrapAudioFileID()
Added ExtAudioFileWrite()
Added ExtAudioFileWriteAsync()
Added kExtAudioFileError_AsyncWriteBufferOverflow
Added kExtAudioFileError_AsyncWriteTooLarge
Added kExtAudioFileError_InvalidChannelMap
Added kExtAudioFileError_InvalidDataFormat
Added kExtAudioFileError_InvalidOperationOrder
Added kExtAudioFileError_InvalidProperty
Added kExtAudioFileError_InvalidPropertySize
Added kExtAudioFileError_InvalidSeek
Added kExtAudioFileError_MaxPacketSizeUnknown
Added kExtAudioFileError_NonPCMClientFormat
Added kExtAudioFileProperty_AudioConverter
Added kExtAudioFileProperty_AudioFile
Added kExtAudioFileProperty_ClientChannelLayout
Added kExtAudioFileProperty_ClientDataFormat
Added kExtAudioFileProperty_ClientMaxPacketSize
Added kExtAudioFileProperty_ConverterConfig
Added kExtAudioFileProperty_FileChannelLayout
Added kExtAudioFileProperty_FileDataFormat
Added kExtAudioFileProperty_FileLengthFrames
Added kExtAudioFileProperty_FileMaxPacketSize
Added kExtAudioFileProperty_IOBuffer
Added kExtAudioFileProperty_IOBufferSizeBytes

AudioUnit

AUComponent.h
Added kAudioUnitSubType_AUiPodTime
Modified kAudioUnitSubType_TimePitch
Architectures
Oldarm
Newnone?

AudioUnitParameters.h
Added kDynamicsProcessorParam_InputAmplitude (no architecture available)
Added kDynamicsProcessorParam_OutputAmplitude (no architecture available)
Added kMultibandCompressorParam_InputAmplitude1 (no architecture available)
Added kMultibandCompressorParam_InputAmplitude2 (no architecture available)
Added kMultibandCompressorParam_InputAmplitude3 (no architecture available)
Added kMultibandCompressorParam_InputAmplitude4 (no architecture available)
Added kMultibandCompressorParam_OutputAmplitude1 (no architecture available)
Added kMultibandCompressorParam_OutputAmplitude2 (no architecture available)
Added kMultibandCompressorParam_OutputAmplitude3 (no architecture available)
Added kMultibandCompressorParam_OutputAmplitude4 (no architecture available)
Modified kTimePitchParam_Pitch
Architectures
Oldarm
Newnone?

Modified kTimePitchParam_EffectBlend
Architectures
Oldarm
Newnone?

AudioUnitProperties.h
Added AudioUnitFrequencyResponseBin
Added kAudioUnitProperty_FrequencyResponse
Added kNumberOfResponseFrequencies

CFNetwork

No changes

CoreAudio

No changes

CoreFoundation

No changes

CoreGraphics

No changes

CoreLocation

No changes

Foundation

No changes

MediaPlayer

MPVolumeView.h
Modified MPVolumeView
Protocols
Old 
NewNSCoding

OpenAL

No changes

OpenGLES

No changes

QuartzCore

No changes

Security

No changes

SystemConfiguration

No changes

UIKit

UIViewController.h
Added -[UIViewController didAnimateFirstHalfOfRotationToInterfaceOrientation:]
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