484 lines
18 KiB
C
484 lines
18 KiB
C
#define NO_MIN_MAX 1
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <ShlObj.h>
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#include <util/dstr.h>
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typedef unsigned long UInt32;
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typedef signed long SInt32;
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typedef signed long long SInt64;
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typedef double Float64;
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typedef SInt32 OSStatus;
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typedef unsigned char Boolean;
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typedef UInt32 AudioFormatPropertyID;
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enum {
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kVariableLengthArray = 1
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};
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struct OpaqueAudioConverter;
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typedef struct OpaqueAudioConverter *AudioConverterRef;
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typedef UInt32 AudioConverterPropertyID;
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struct AudioValueRange {
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Float64 mMinimum;
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Float64 mMaximum;
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};
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typedef struct AudioValueRange AudioValueRange;
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struct AudioBuffer {
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UInt32 mNumberChannels;
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UInt32 mDataByteSize;
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void* mData;
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};
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typedef struct AudioBuffer AudioBuffer;
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struct AudioBufferList {
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UInt32 mNumberBuffers;
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AudioBuffer mBuffers[kVariableLengthArray];
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};
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typedef struct AudioBufferList AudioBufferList;
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struct AudioStreamBasicDescription {
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Float64 mSampleRate;
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UInt32 mFormatID;
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UInt32 mFormatFlags;
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UInt32 mBytesPerPacket;
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UInt32 mFramesPerPacket;
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UInt32 mBytesPerFrame;
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UInt32 mChannelsPerFrame;
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UInt32 mBitsPerChannel;
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UInt32 mReserved;
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};
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typedef struct AudioStreamBasicDescription AudioStreamBasicDescription;
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struct AudioStreamPacketDescription {
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SInt64 mStartOffset;
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UInt32 mVariableFramesInPacket;
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UInt32 mDataByteSize;
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};
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typedef struct AudioStreamPacketDescription AudioStreamPacketDescription;
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typedef OSStatus (*AudioConverterComplexInputDataProc) (
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AudioConverterRef inAudioConverter,
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UInt32 *ioNumberDataPackets,
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AudioBufferList *ioData,
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AudioStreamPacketDescription **outDataPacketDescription,
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void *inUserData
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);
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enum {
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kAudioCodecPropertyNameCFString = 'lnam',
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kAudioCodecPropertyManufacturerCFString = 'lmak',
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kAudioCodecPropertyFormatCFString = 'lfor',
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//kAudioCodecPropertyHasVariablePacketByteSizes = 'vpk?',
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kAudioCodecPropertySupportedInputFormats = 'ifm#',
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kAudioCodecPropertySupportedOutputFormats = 'ofm#',
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kAudioCodecPropertyAvailableInputSampleRates = 'aisr',
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kAudioCodecPropertyAvailableOutputSampleRates = 'aosr',
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kAudioCodecPropertyAvailableBitRateRange = 'abrt',
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kAudioCodecPropertyMinimumNumberInputPackets = 'mnip',
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kAudioCodecPropertyMinimumNumberOutputPackets = 'mnop',
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kAudioCodecPropertyAvailableNumberChannels = 'cmnc',
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kAudioCodecPropertyDoesSampleRateConversion = 'lmrc',
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kAudioCodecPropertyAvailableInputChannelLayoutTags = 'aicl',
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kAudioCodecPropertyAvailableOutputChannelLayoutTags = 'aocl',
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kAudioCodecPropertyInputFormatsForOutputFormat = 'if4o',
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kAudioCodecPropertyOutputFormatsForInputFormat = 'of4i',
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kAudioCodecPropertyFormatInfo = 'acfi',
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};
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enum {
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kAudioCodecPropertyInputBufferSize = 'tbuf',
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kAudioCodecPropertyPacketFrameSize = 'pakf',
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kAudioCodecPropertyMaximumPacketByteSize = 'pakb',
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kAudioCodecPropertyCurrentInputFormat = 'ifmt',
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kAudioCodecPropertyCurrentOutputFormat = 'ofmt',
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kAudioCodecPropertyMagicCookie = 'kuki',
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kAudioCodecPropertyUsedInputBufferSize = 'ubuf',
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kAudioCodecPropertyIsInitialized = 'init',
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kAudioCodecPropertyCurrentTargetBitRate = 'brat',
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kAudioCodecPropertyCurrentInputSampleRate = 'cisr',
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kAudioCodecPropertyCurrentOutputSampleRate = 'cosr',
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kAudioCodecPropertyQualitySetting = 'srcq',
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kAudioCodecPropertyApplicableBitRateRange = 'brta',
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kAudioCodecPropertyApplicableInputSampleRates = 'isra',
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kAudioCodecPropertyApplicableOutputSampleRates = 'osra',
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kAudioCodecPropertyPaddedZeros = 'pad0',
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kAudioCodecPropertyPrimeMethod = 'prmm',
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kAudioCodecPropertyPrimeInfo = 'prim',
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kAudioCodecPropertyCurrentInputChannelLayout = 'icl ',
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kAudioCodecPropertyCurrentOutputChannelLayout = 'ocl ',
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kAudioCodecPropertySettings = 'acs ',
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kAudioCodecPropertyFormatList = 'acfl',
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kAudioCodecPropertyBitRateControlMode = 'acbf',
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kAudioCodecPropertySoundQualityForVBR = 'vbrq',
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kAudioCodecPropertyMinimumDelayMode = 'mdel'
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};
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enum {
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kAudioCodecBitRateControlMode_Constant = 0,
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kAudioCodecBitRateControlMode_LongTermAverage = 1,
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kAudioCodecBitRateControlMode_VariableConstrained = 2,
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kAudioCodecBitRateControlMode_Variable = 3,
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};
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enum {
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kAudioFormatLinearPCM = 'lpcm',
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kAudioFormatAC3 = 'ac-3',
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kAudioFormat60958AC3 = 'cac3',
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kAudioFormatAppleIMA4 = 'ima4',
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kAudioFormatMPEG4AAC = 'aac ',
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kAudioFormatMPEG4CELP = 'celp',
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kAudioFormatMPEG4HVXC = 'hvxc',
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kAudioFormatMPEG4TwinVQ = 'twvq',
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kAudioFormatMACE3 = 'MAC3',
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kAudioFormatMACE6 = 'MAC6',
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kAudioFormatULaw = 'ulaw',
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kAudioFormatALaw = 'alaw',
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kAudioFormatQDesign = 'QDMC',
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kAudioFormatQDesign2 = 'QDM2',
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kAudioFormatQUALCOMM = 'Qclp',
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kAudioFormatMPEGLayer1 = '.mp1',
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kAudioFormatMPEGLayer2 = '.mp2',
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kAudioFormatMPEGLayer3 = '.mp3',
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kAudioFormatTimeCode = 'time',
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kAudioFormatMIDIStream = 'midi',
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kAudioFormatParameterValueStream = 'apvs',
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kAudioFormatAppleLossless = 'alac',
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kAudioFormatMPEG4AAC_HE = 'aach',
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kAudioFormatMPEG4AAC_LD = 'aacl',
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kAudioFormatMPEG4AAC_ELD = 'aace',
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kAudioFormatMPEG4AAC_ELD_SBR = 'aacf',
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kAudioFormatMPEG4AAC_ELD_V2 = 'aacg',
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kAudioFormatMPEG4AAC_HE_V2 = 'aacp',
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kAudioFormatMPEG4AAC_Spatial = 'aacs',
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kAudioFormatAMR = 'samr',
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kAudioFormatAudible = 'AUDB',
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kAudioFormatiLBC = 'ilbc',
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kAudioFormatDVIIntelIMA = 0x6D730011,
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kAudioFormatMicrosoftGSM = 0x6D730031,
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kAudioFormatAES3 = 'aes3'
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};
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enum {
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kAudioFormatFlagIsFloat = (1L << 0),
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kAudioFormatFlagIsBigEndian = (1L << 1),
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kAudioFormatFlagIsSignedInteger = (1L << 2),
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kAudioFormatFlagIsPacked = (1L << 3),
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kAudioFormatFlagIsAlignedHigh = (1L << 4),
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kAudioFormatFlagIsNonInterleaved = (1L << 5),
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kAudioFormatFlagIsNonMixable = (1L << 6),
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kAudioFormatFlagsAreAllClear = (1L << 31),
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kLinearPCMFormatFlagIsFloat =
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kAudioFormatFlagIsFloat,
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kLinearPCMFormatFlagIsBigEndian =
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kAudioFormatFlagIsBigEndian,
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kLinearPCMFormatFlagIsSignedInteger =
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kAudioFormatFlagIsSignedInteger,
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kLinearPCMFormatFlagIsPacked =
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kAudioFormatFlagIsPacked,
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kLinearPCMFormatFlagIsAlignedHigh =
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kAudioFormatFlagIsAlignedHigh,
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kLinearPCMFormatFlagIsNonInterleaved =
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kAudioFormatFlagIsNonInterleaved,
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kLinearPCMFormatFlagIsNonMixable =
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kAudioFormatFlagIsNonMixable,
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kLinearPCMFormatFlagsAreAllClear =
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kAudioFormatFlagsAreAllClear,
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kAppleLosslessFormatFlag_16BitSourceData = 1,
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kAppleLosslessFormatFlag_20BitSourceData = 2,
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kAppleLosslessFormatFlag_24BitSourceData = 3,
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kAppleLosslessFormatFlag_32BitSourceData = 4
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};
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enum {
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kAudioFormatFlagsNativeEndian = 0,
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};
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enum {
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// AudioStreamBasicDescription structure properties
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kAudioFormatProperty_FormatInfo = 'fmti',
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kAudioFormatProperty_FormatName = 'fnam',
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kAudioFormatProperty_EncodeFormatIDs = 'acof',
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kAudioFormatProperty_DecodeFormatIDs = 'acif',
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kAudioFormatProperty_FormatList = 'flst',
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kAudioFormatProperty_ASBDFromESDS = 'essd',
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kAudioFormatProperty_ChannelLayoutFromESDS = 'escl',
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kAudioFormatProperty_OutputFormatList = 'ofls',
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kAudioFormatProperty_Encoders = 'aven',
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kAudioFormatProperty_Decoders = 'avde',
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kAudioFormatProperty_FormatIsVBR = 'fvbr',
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kAudioFormatProperty_FormatIsExternallyFramed = 'fexf',
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kAudioFormatProperty_AvailableEncodeBitRates = 'aebr',
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kAudioFormatProperty_AvailableEncodeSampleRates = 'aesr',
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kAudioFormatProperty_AvailableEncodeChannelLayoutTags = 'aecl',
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kAudioFormatProperty_AvailableEncodeNumberChannels = 'avnc',
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kAudioFormatProperty_ASBDFromMPEGPacket = 'admp',
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//
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// AudioChannelLayout structure properties
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kAudioFormatProperty_BitmapForLayoutTag = 'bmtg',
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kAudioFormatProperty_MatrixMixMap = 'mmap',
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kAudioFormatProperty_ChannelMap = 'chmp',
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kAudioFormatProperty_NumberOfChannelsForLayout = 'nchm',
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kAudioFormatProperty_ValidateChannelLayout = 'vacl',
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kAudioFormatProperty_ChannelLayoutForTag = 'cmpl',
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kAudioFormatProperty_TagForChannelLayout = 'cmpt',
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kAudioFormatProperty_ChannelLayoutName = 'lonm',
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kAudioFormatProperty_ChannelLayoutSimpleName = 'lsnm',
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kAudioFormatProperty_ChannelLayoutForBitmap = 'cmpb',
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kAudioFormatProperty_ChannelName = 'cnam',
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kAudioFormatProperty_ChannelShortName = 'csnm',
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kAudioFormatProperty_TagsForNumberOfChannels = 'tagc',
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kAudioFormatProperty_PanningMatrix = 'panm',
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kAudioFormatProperty_BalanceFade = 'balf',
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//
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// ID3 tag (MP3 metadata) properties
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kAudioFormatProperty_ID3TagSize = 'id3s',
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kAudioFormatProperty_ID3TagToDictionary = 'id3d'
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};
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enum {
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kAudioConverterPropertyMinimumInputBufferSize = 'mibs',
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kAudioConverterPropertyMinimumOutputBufferSize = 'mobs',
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kAudioConverterPropertyMaximumInputBufferSize = 'xibs',
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kAudioConverterPropertyMaximumInputPacketSize = 'xips',
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kAudioConverterPropertyMaximumOutputPacketSize = 'xops',
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kAudioConverterPropertyCalculateInputBufferSize = 'cibs',
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kAudioConverterPropertyCalculateOutputBufferSize = 'cobs',
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kAudioConverterPropertyInputCodecParameters = 'icdp',
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kAudioConverterPropertyOutputCodecParameters = 'ocdp',
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kAudioConverterSampleRateConverterAlgorithm = 'srci',
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kAudioConverterSampleRateConverterComplexity = 'srca',
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kAudioConverterSampleRateConverterQuality = 'srcq',
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kAudioConverterSampleRateConverterInitialPhase = 'srcp',
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kAudioConverterCodecQuality = 'cdqu',
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kAudioConverterPrimeMethod = 'prmm',
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kAudioConverterPrimeInfo = 'prim',
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kAudioConverterChannelMap = 'chmp',
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kAudioConverterDecompressionMagicCookie = 'dmgc',
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kAudioConverterCompressionMagicCookie = 'cmgc',
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kAudioConverterEncodeBitRate = 'brat',
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kAudioConverterEncodeAdjustableSampleRate = 'ajsr',
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kAudioConverterInputChannelLayout = 'icl ',
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kAudioConverterOutputChannelLayout = 'ocl ',
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kAudioConverterApplicableEncodeBitRates = 'aebr',
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kAudioConverterAvailableEncodeBitRates = 'vebr',
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kAudioConverterApplicableEncodeSampleRates = 'aesr',
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kAudioConverterAvailableEncodeSampleRates = 'vesr',
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kAudioConverterAvailableEncodeChannelLayoutTags = 'aecl',
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kAudioConverterCurrentOutputStreamDescription = 'acod',
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kAudioConverterCurrentInputStreamDescription = 'acid',
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kAudioConverterPropertySettings = 'acps',
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kAudioConverterPropertyBitDepthHint = 'acbd',
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kAudioConverterPropertyFormatList = 'flst',
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};
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enum {
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kAudioConverterQuality_Max = 0x7F,
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kAudioConverterQuality_High = 0x60,
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kAudioConverterQuality_Medium = 0x40,
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kAudioConverterQuality_Low = 0x20,
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kAudioConverterQuality_Min = 0
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};
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enum {
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kAudio_UnimplementedError = -4,
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kAudio_FileNotFoundError = -43,
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kAudio_FilePermissionError = -54,
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kAudio_TooManyFilesOpenError = -42,
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kAudio_BadFilePathError = '!pth', // 0x21707468, 561017960
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kAudio_ParamError = -50,
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kAudio_MemFullError = -108,
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kAudioConverterErr_FormatNotSupported = 'fmt?',
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kAudioConverterErr_OperationNotSupported = 0x6F703F3F,
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// 'op??', integer used because of trigraph
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kAudioConverterErr_PropertyNotSupported = 'prop',
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kAudioConverterErr_InvalidInputSize = 'insz',
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kAudioConverterErr_InvalidOutputSize = 'otsz',
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// e.g. byte size is not a multiple of the frame size
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kAudioConverterErr_UnspecifiedError = 'what',
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kAudioConverterErr_BadPropertySizeError = '!siz',
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kAudioConverterErr_RequiresPacketDescriptionsError = '!pkd',
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kAudioConverterErr_InputSampleRateOutOfRange = '!isr',
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kAudioConverterErr_OutputSampleRateOutOfRange = '!osr'
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};
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typedef OSStatus (*AudioConverterNew_t) (
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const AudioStreamBasicDescription *inSourceFormat,
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const AudioStreamBasicDescription *inDestinationFormat,
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AudioConverterRef *outAudioConverter
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);
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typedef OSStatus (*AudioConverterDispose_t) (
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AudioConverterRef inAudioConverter
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);
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typedef OSStatus (*AudioConverterReset_t) (
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AudioConverterRef inAudioConverter
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);
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typedef OSStatus (*AudioConverterGetProperty_t) (
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AudioConverterRef inAudioConverter,
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AudioConverterPropertyID inPropertyID,
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UInt32 *ioPropertyDataSize,
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void *outPropertyData
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);
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typedef OSStatus (*AudioConverterGetPropertyInfo_t) (
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AudioConverterRef inAudioConverter,
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AudioConverterPropertyID inPropertyID,
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UInt32 *outSize,
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Boolean *outWritable
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);
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typedef OSStatus (*AudioConverterSetProperty_t) (
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AudioConverterRef inAudioConverter,
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AudioConverterPropertyID inPropertyID,
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UInt32 inPropertyDataSize,
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const void *inPropertyData
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);
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typedef OSStatus (*AudioConverterFillComplexBuffer_t) (
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AudioConverterRef inAudioConverter,
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AudioConverterComplexInputDataProc inInputDataProc,
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void *inInputDataProcUserData,
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UInt32 *ioOutputDataPacketSize,
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AudioBufferList *outOutputData,
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AudioStreamPacketDescription *outPacketDescription
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);
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typedef OSStatus (*AudioFormatGetProperty_t) (
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AudioFormatPropertyID inPropertyID,
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UInt32 inSpecifierSize,
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const void *inSpecifier,
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UInt32 *ioPropertyDataSize,
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void *outPropertyData
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);
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typedef OSStatus (*AudioFormatGetPropertyInfo_t) (
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AudioFormatPropertyID inPropertyID,
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UInt32 inSpecifierSize,
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const void *inSpecifier,
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UInt32 *outPropertyDataSize
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);
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static AudioConverterNew_t AudioConverterNew = NULL;
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static AudioConverterDispose_t AudioConverterDispose = NULL;
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static AudioConverterReset_t AudioConverterReset = NULL;
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static AudioConverterGetProperty_t AudioConverterGetProperty = NULL;
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static AudioConverterGetPropertyInfo_t AudioConverterGetPropertyInfo = NULL;
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static AudioConverterSetProperty_t AudioConverterSetProperty = NULL;
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static AudioConverterFillComplexBuffer_t AudioConverterFillComplexBuffer = NULL;
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static AudioFormatGetProperty_t AudioFormatGetProperty = NULL;
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static AudioFormatGetPropertyInfo_t AudioFormatGetPropertyInfo = NULL;
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static HMODULE audio_toolbox = NULL;
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static void release_lib(void)
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{
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#define RELEASE_LIB(x) if (x) { \
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FreeLibrary(x); \
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x = NULL; \
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}
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RELEASE_LIB(audio_toolbox);
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#undef RELEASE_LIB
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}
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static bool load_lib(void)
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{
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PWSTR common_path;
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if (SHGetKnownFolderPath(FOLDERID_ProgramFilesCommon, 0, NULL,
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&common_path) != S_OK) {
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CA_LOG(LOG_WARNING, "Could not retrieve common files path");
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return false;
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}
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struct dstr path = { 0 };
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dstr_printf(&path, "%S\\Apple\\Apple Application Support", common_path);
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CoTaskMemFree(common_path);
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wchar_t *w_path = dstr_to_wcs(&path);
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dstr_free(&path);
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SetDllDirectory(w_path);
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bfree(w_path);
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#define LOAD_LIB(x, n) x = LoadLibrary(TEXT(n)); \
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if (!x) \
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CA_LOG(LOG_WARNING, "Failed loading library '" n "'");
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LOAD_LIB(audio_toolbox, "CoreAudioToolbox.dll");
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#undef LOAD_LIB
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SetDllDirectory(NULL);
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if (audio_toolbox)
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return true;
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release_lib();
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return false;
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}
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static void unload_core_audio(void)
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{
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AudioConverterNew = NULL;
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AudioConverterDispose = NULL;
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AudioConverterReset = NULL;
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AudioConverterGetProperty = NULL;
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AudioConverterGetPropertyInfo = NULL;
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AudioConverterSetProperty = NULL;
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AudioConverterFillComplexBuffer = NULL;
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AudioFormatGetProperty = NULL;
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AudioFormatGetPropertyInfo = NULL;
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release_lib();
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}
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable: 4706)
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#endif
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static bool load_core_audio(void)
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{
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if (!load_lib())
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return false;
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#define LOAD_SYM_FROM_LIB(sym, lib, dll) \
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if (!(sym = (sym ## _t)GetProcAddress(lib, #sym))) { \
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DWORD err = GetLastError(); \
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CA_LOG(LOG_ERROR, "Couldn't load " #sym " from " \
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dll ": %lu (0x%lx)", err, err); \
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goto unload_everything; \
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}
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#define LOAD_SYM(sym) \
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LOAD_SYM_FROM_LIB(sym, audio_toolbox, "CoreAudioToolbox.dll")
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LOAD_SYM(AudioConverterNew);
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LOAD_SYM(AudioConverterDispose);
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LOAD_SYM(AudioConverterReset);
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LOAD_SYM(AudioConverterGetProperty);
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LOAD_SYM(AudioConverterGetPropertyInfo);
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LOAD_SYM(AudioConverterSetProperty);
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LOAD_SYM(AudioConverterFillComplexBuffer);
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LOAD_SYM(AudioFormatGetProperty);
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LOAD_SYM(AudioFormatGetPropertyInfo);
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#undef LOAD_SYM
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return true;
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unload_everything:
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unload_core_audio();
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return false;
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}
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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