CoreAudio/AudioFile/AFPublic/AudioFileComponentBase.cpp

/*
     File: AudioFileComponentBase.cpp
 Abstract: AudioFileComponentBase.h
  Version: 1.1
 
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 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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*/
#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
    #include <AudioToolbox/AudioFileComponent.h>
#else
    #include "AudioFileComponent.h"
#endif
 
#include "AudioFileComponentBase.h"
 
#if TARGET_OS_MAC
    #if __LP64__
        // comp instance, parameters in forward order
        #define PARAM(_typ, _name, _index, _nparams) \
            _typ _name = *(_typ *)&params->params[_index + 1];
    #else
        // parameters in reverse order, then comp instance
        #define PARAM(_typ, _name, _index, _nparams) \
            _typ _name = *(_typ *)&params->params[_nparams - 1 - _index];
    #endif
#elif TARGET_OS_WIN32
        // (no comp instance), parameters in forward order
        #define PARAM(_typ, _name, _index, _nparams) \
            _typ _name = *(_typ *)&params->params[_index];
#endif
 
#define ACPI ((AudioComponentPlugInInstance *)self)
#define AFC ((AudioFileComponentBase *)&ACPI->mInstanceStorage)
 
//----------------------------------------------------------------------------------------
 
static OSStatus CreateURL(
                                void *                            self,
                                CFURLRef                            inFileRef,
                                const AudioStreamBasicDescription   *inFormat,
                                UInt32                              inFlags)
{
    return AFC->AFAPI_CreateURL(inFileRef, inFormat, inFlags);
}
 
static OSStatus OpenURL(
                                void *                            self,
                                CFURLRef                            inFileRef, 
                                SInt8                               inPermissions, 
                                int                                 inFileDescriptor)
{
    return AFC->AFAPI_OpenURL(inFileRef, inPermissions, inFileDescriptor);
}
 
static OSStatus OpenWithCallbacks(
                                void *                            self,
                                void *                              inRefCon, 
                                AudioFile_ReadProc                  inReadFunc, 
                                AudioFile_WriteProc                 inWriteFunc, 
                                AudioFile_GetSizeProc               inGetSizeFunc,
                                AudioFile_SetSizeProc               inSetSizeFunc)
{
    return AFC->AFAPI_OpenWithCallbacks(inRefCon, inReadFunc, inWriteFunc, inGetSizeFunc, inSetSizeFunc);
}
 
static OSStatus InitializeWithCallbacks(
                                void *                            self,
                                void *                              inRefCon, 
                                AudioFile_ReadProc                  inReadFunc, 
                                AudioFile_WriteProc                 inWriteFunc, 
                                AudioFile_GetSizeProc               inGetSizeFunc,
                                AudioFile_SetSizeProc               inSetSizeFunc,
                                UInt32                              inFileType,
                                const AudioStreamBasicDescription   *inFormat,
                                UInt32                              inFlags)
{
    return AFC->AFAPI_InitializeWithCallbacks(inRefCon, inReadFunc, inWriteFunc, inGetSizeFunc, inSetSizeFunc, inFileType, inFormat, inFlags);
}
 
static OSStatus Close(
                                void *                            self)
{
    return AFC->AFAPI_Close();
}
 
static OSStatus Optimize(
                                void *                            self)
{
    return AFC->AFAPI_Optimize();
}
 
static OSStatus ReadBytes(
                                void *                            self,
                                Boolean         inUseCache,
                                SInt64          inStartingByte, 
                                UInt32          *ioNumBytes, 
                                void            *outBuffer)
{
    return AFC->AFAPI_ReadBytes(inUseCache, inStartingByte, ioNumBytes, outBuffer);
}
 
 
static OSStatus WriteBytes(
                                void *         self,
                                Boolean         inUseCache,
                                SInt64          inStartingByte, 
                                UInt32          *ioNumBytes, 
                                const void      *inBuffer)
{
    return AFC->AFAPI_WriteBytes(inUseCache, inStartingByte, ioNumBytes, inBuffer);
}
 
 
static OSStatus ReadPackets(
                                void *                        self,
                                Boolean                         inUseCache,
                                UInt32                          *outNumBytes,
                                AudioStreamPacketDescription    *outPacketDescriptions,
                                SInt64                          inStartingPacket, 
                                UInt32                          *ioNumPackets, 
                                void                            *outBuffer)
{
    return AFC->AFAPI_ReadPackets(inUseCache, outNumBytes, outPacketDescriptions, 
        inStartingPacket, ioNumPackets, outBuffer);
}
 
static OSStatus ReadPacketData(
                                void *                        self,
                                Boolean                         inUseCache,
                                UInt32                          *ioNumBytes,
                                AudioStreamPacketDescription    *outPacketDescriptions,
                                SInt64                          inStartingPacket, 
                                UInt32                          *ioNumPackets, 
                                void                            *outBuffer)
{
    return AFC->AFAPI_ReadPacketData(inUseCache, ioNumBytes, outPacketDescriptions, 
        inStartingPacket, ioNumPackets, outBuffer);
}
 
#if COREAUDIOTYPES_VERSION < 1050
static OSStatus WritePackets(
                                void *                            self,
                                Boolean                             inUseCache,
                                UInt32                              inNumBytes,
                                AudioStreamPacketDescription        *inPacketDescriptions,
                                SInt64                              inStartingPacket, 
                                UInt32                              *ioNumPackets, 
                                const void                          *inBuffer)
#else
static OSStatus WritePackets(
                                void *                            self,
                                Boolean                             inUseCache,
                                UInt32                              inNumBytes,
                                const AudioStreamPacketDescription  *inPacketDescriptions,
                                SInt64                              inStartingPacket, 
                                UInt32                              *ioNumPackets, 
                                const void                          *inBuffer)
#endif
{
    return AFC->AFAPI_WritePackets(inUseCache, inNumBytes, 
        (const AudioStreamPacketDescription *)inPacketDescriptions, // this should be const (and is in 10.5 headers)
        inStartingPacket, ioNumPackets, inBuffer);
}
 
static OSStatus GetPropertyInfo(
                                void *                 self,
                                AudioFilePropertyID    inPropertyID,
                                UInt32                  *outDataSize,
                                UInt32                  *isWritable)
{
    return AFC->AFAPI_GetPropertyInfo(inPropertyID, outDataSize, isWritable);
}
 
static OSStatus GetProperty(
                                void *                 self,
                                AudioFilePropertyID     inPropertyID,
                                UInt32                  *ioDataSize,
                                void                    *ioData)
{
    return AFC->AFAPI_GetProperty(inPropertyID, ioDataSize, ioData);
}
 
 
static OSStatus SetProperty(
                                void *                 self,
                                AudioFilePropertyID     inPropertyID,
                                UInt32                  inDataSize,
                                const void              *inData)
{
    return AFC->AFAPI_SetProperty(inPropertyID, inDataSize, inData);
}
 
static OSStatus CountUserData(
                                void *                 self,
                                UInt32                  inUserDataID,
                                UInt32                  *outNumberItems)
{
    return AFC->AFAPI_CountUserData(inUserDataID, outNumberItems);
}
 
static OSStatus GetUserDataSize(
                                void *                 self,
                                UInt32                  inUserDataID,
                                UInt32                  inIndex,
                                UInt32                  *outDataSize)
{
    return AFC->AFAPI_GetUserDataSize(inUserDataID, inIndex, outDataSize);
}
 
static OSStatus GetUserData(
                                void *                 self,
                                UInt32                  inUserDataID,
                                UInt32                  inIndex,
                                UInt32                  *ioUserDataSize,
                                void                    *outUserData)
{
    return AFC->AFAPI_GetUserData(inUserDataID, inIndex, ioUserDataSize, outUserData);
}
 
static OSStatus SetUserData(
                                void *                 self,
                                UInt32                  inUserDataID,
                                UInt32                  inIndex,
                                UInt32                  inUserDataSize,
                                const void              *inUserData)
{
    return AFC->AFAPI_SetUserData(inUserDataID, inIndex, inUserDataSize, inUserData);
}
 
static OSStatus RemoveUserData(
                                void *                 self,
                                UInt32                  inUserDataID,
                                UInt32                  inIndex)
{
    return AFC->AFAPI_RemoveUserData(inUserDataID, inIndex);
}
 
static OSStatus ExtensionIsThisFormat(
                                void *                 self,
                                CFStringRef             inExtension,
                                UInt32                  *outResult)
{
    AudioFileFormatBase* aff = AFC->GetAudioFileFormatBase();
    if (!aff) return kAudio_ParamError;
    
    UInt32 res = aff->ExtensionIsThisFormat(inExtension);
    if (outResult) *outResult = res;
    return noErr;
}
 
static OSStatus FileDataIsThisFormat(
                                void *                 self,
                                UInt32                  inDataByteSize, 
                                const void*             inData,
                                UInt32                  *outResult)
{
    AudioFileFormatBase* aff = AFC->GetAudioFileFormatBase();
    if (!aff) return kAudio_ParamError;
    
    UncertainResult res = aff->FileDataIsThisFormat(inDataByteSize, inData);
    if (outResult) *outResult = res;
    return noErr;
}
 
static OSStatus GetGlobalInfoSize(
                                void *                 self,
                                AudioFilePropertyID inPropertyID,
                                UInt32                  inSpecifierSize,
                                const void*             inSpecifier,
                                UInt32                  *outPropertySize)
{
    return AFC->AFAPI_GetGlobalInfoSize(inPropertyID, inSpecifierSize, inSpecifier, outPropertySize);
}
 
static OSStatus GetGlobalInfo(
                                void *                 self,
                                AudioFilePropertyID inPropertyID,
                                UInt32                  inSpecifierSize,
                                const void*             inSpecifier,
                                UInt32                  *ioPropertySize,
                                void                    *ioPropertyData)
{
    return AFC->AFAPI_GetGlobalInfo(inPropertyID, inSpecifierSize, inSpecifier, ioPropertySize, ioPropertyData);
}
 
//----------------------------------------------------------------------------------------
 
 
AudioFileComponentBase::AudioFileComponentBase(AudioComponentInstance inInstance)
    : ComponentBase(inInstance)
{
}
 
AudioFileComponentBase::~AudioFileComponentBase()
{
}
 
AudioFileObjectComponentBase::AudioFileObjectComponentBase(AudioComponentInstance inInstance)
    : AudioFileComponentBase(inInstance), mAudioFileObject(0)
{
    // derived class should create an AudioFileObject here and if NULL, the AudioFormat as well.
}
 
AudioFileObjectComponentBase::~AudioFileObjectComponentBase()
{
    delete mAudioFileObject;
}
 
OSStatus AudioFileObjectComponentBase::AFAPI_CreateURL(
                                CFURLRef                            inFileRef, 
                                const AudioStreamBasicDescription   *inFormat,
                                UInt32                              inFlags)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    
    OSStatus result = mAudioFileObject->DoCreate (inFileRef, inFormat, inFlags);
    return result;
}
 
                                
OSStatus AudioFileObjectComponentBase::AFAPI_OpenURL(
                                    CFURLRef        inFileRef, 
                                    SInt8           inPermissions,
                                    int             inFD)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    
    OSStatus result = mAudioFileObject->DoOpen(inFileRef, inPermissions, inFD);
    return result;
}
 
 
OSStatus AudioFileObjectComponentBase::AFAPI_OpenWithCallbacks(
                void *                              inRefCon, 
                AudioFile_ReadProc                  inReadFunc, 
                AudioFile_WriteProc                 inWriteFunc, 
                AudioFile_GetSizeProc               inGetSizeFunc,
                AudioFile_SetSizeProc               inSetSizeFunc)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->DoOpenWithCallbacks(inRefCon, inReadFunc, inWriteFunc, inGetSizeFunc, inSetSizeFunc);
}
 
 
OSStatus AudioFileObjectComponentBase::AFAPI_InitializeWithCallbacks(
                void *                              inRefCon, 
                AudioFile_ReadProc                  inReadFunc, 
                AudioFile_WriteProc                 inWriteFunc, 
                AudioFile_GetSizeProc               inGetSizeFunc,
                AudioFile_SetSizeProc               inSetSizeFunc,
                UInt32                              inFileType,
                const AudioStreamBasicDescription   *inFormat,
                UInt32                              inFlags)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->DoInitializeWithCallbacks(inRefCon, inReadFunc, inWriteFunc, inGetSizeFunc, inSetSizeFunc, 
                                            inFileType, inFormat, inFlags);
}
 
                                    
OSStatus AudioFileObjectComponentBase::AFAPI_Close()
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->DoClose();
}
 
OSStatus AudioFileObjectComponentBase::AFAPI_Optimize()
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->DoOptimize();
}
 
OSStatus AudioFileObjectComponentBase::AFAPI_ReadBytes(     
                                            Boolean         inUseCache,
                                            SInt64          inStartingByte, 
                                            UInt32          *ioNumBytes, 
                                            void            *outBuffer)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->ReadBytes(inUseCache, inStartingByte, ioNumBytes, outBuffer);
}
 
 
OSStatus AudioFileObjectComponentBase::AFAPI_WriteBytes(        
                                            Boolean         inUseCache,
                                            SInt64          inStartingByte, 
                                            UInt32          *ioNumBytes, 
                                            const void      *inBuffer)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->WriteBytes(inUseCache, inStartingByte, ioNumBytes, inBuffer);
}
 
 
 
 
OSStatus AudioFileObjectComponentBase::AFAPI_ReadPackets(       
                                            Boolean                         inUseCache,
                                            UInt32                          *outNumBytes,
                                            AudioStreamPacketDescription    *outPacketDescriptions,
                                            SInt64                          inStartingPacket, 
                                            UInt32                          *ioNumPackets, 
                                            void                            *outBuffer)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->ReadPackets(inUseCache, outNumBytes, outPacketDescriptions,
                                                inStartingPacket, ioNumPackets, outBuffer);
}
 
OSStatus AudioFileObjectComponentBase::AFAPI_ReadPacketData(        
                                            Boolean                         inUseCache,
                                            UInt32                          *ioNumBytes,
                                            AudioStreamPacketDescription    *outPacketDescriptions,
                                            SInt64                          inStartingPacket, 
                                            UInt32                          *ioNumPackets, 
                                            void                            *outBuffer)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->ReadPacketData(inUseCache, ioNumBytes, outPacketDescriptions,
                                                inStartingPacket, ioNumPackets, outBuffer);
}
 
                                    
OSStatus AudioFileObjectComponentBase::AFAPI_WritePackets(  
                                            Boolean                             inUseCache,
                                            UInt32                              inNumBytes,
                                            const AudioStreamPacketDescription  *inPacketDescriptions,
                                            SInt64                              inStartingPacket, 
                                            UInt32                              *ioNumPackets, 
                                            const void                          *inBuffer)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->WritePackets(inUseCache, inNumBytes, inPacketDescriptions,
                                                inStartingPacket, ioNumPackets, inBuffer);
}
 
 
                                    
OSStatus AudioFileObjectComponentBase::AFAPI_GetPropertyInfo(   
                                            AudioFilePropertyID     inPropertyID,
                                            UInt32                  *outDataSize,
                                            UInt32                  *isWritable)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->GetPropertyInfo(inPropertyID, outDataSize, isWritable);
}
 
                                        
OSStatus AudioFileObjectComponentBase::AFAPI_GetProperty(       
                                            AudioFilePropertyID     inPropertyID,
                                            UInt32                  *ioPropertySize,
                                            void                    *ioPropertyData)
{
    OSStatus err = noErr;
    
    if (!ioPropertyData) return kAudio_ParamError;
    
    if (!mAudioFileObject) return kAudio_ParamError;
    err = mAudioFileObject->GetProperty(inPropertyID, ioPropertySize, ioPropertyData);
    return err;
}
 
                                    
OSStatus AudioFileObjectComponentBase::AFAPI_SetProperty(       
                                            AudioFilePropertyID     inPropertyID,
                                            UInt32                  inPropertySize,
                                            const void              *inPropertyData)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->SetProperty(inPropertyID, inPropertySize, inPropertyData);
}
 
 
OSStatus AudioFileObjectComponentBase::AFAPI_CountUserData(     
                                            UInt32              inUserDataID,
                                            UInt32              *outNumberItems)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->CountUserData(inUserDataID, outNumberItems);
}
 
OSStatus AudioFileObjectComponentBase::AFAPI_GetUserDataSize(       
                                            UInt32              inUserDataID,
                                            UInt32              inIndex,
                                            UInt32              *outUserDataSize)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->GetUserDataSize(inUserDataID, inIndex, outUserDataSize);
}
 
OSStatus AudioFileObjectComponentBase::AFAPI_GetUserData(       
                                            UInt32              inUserDataID,
                                            UInt32              inIndex,
                                            UInt32              *ioUserDataSize,
                                            void                *outUserData)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->GetUserData(inUserDataID, inIndex, ioUserDataSize, outUserData);
}
 
OSStatus AudioFileObjectComponentBase::AFAPI_SetUserData(       
                                            UInt32              inUserDataID,
                                            UInt32              inIndex,
                                            UInt32              inUserDataSize,
                                            const void          *inUserData)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->SetUserData(inUserDataID, inIndex, inUserDataSize, inUserData);
}
 
OSStatus AudioFileObjectComponentBase::AFAPI_RemoveUserData(        
                                            UInt32              inUserDataID,
                                            UInt32              inIndex)
{
    if (!mAudioFileObject) return kAudio_ParamError;
    return mAudioFileObject->RemoveUserData(inUserDataID, inIndex);
}
 
 
OSStatus AudioFileComponentBase::AFAPI_GetGlobalInfoSize(       
                                            AudioFilePropertyID     inPropertyID,
                                            UInt32                  inSpecifierSize,
                                            const void*             inSpecifier,
                                            UInt32                  *outPropertySize)
{
    OSStatus err = noErr;
        
    switch (inPropertyID)
    {
        case kAudioFileComponent_CanRead :
        case kAudioFileComponent_CanWrite :
            *outPropertySize = sizeof(UInt32);
            break;
 
        case kAudioFileComponent_FileTypeName :
            *outPropertySize = sizeof(CFStringRef);
            break;
 
        case kAudioFileComponent_ExtensionsForType :
            *outPropertySize = sizeof(CFArrayRef);
            break;
            
        case kAudioFileComponent_UTIsForType :
            *outPropertySize = sizeof(CFArrayRef);
            break;
            
        case kAudioFileComponent_MIMETypesForType :
            *outPropertySize = sizeof(CFArrayRef);
            break;
            
        case kAudioFileComponent_AvailableFormatIDs :
        {
            UInt32 size = 0xFFFFFFFF;
            err = GetAudioFileFormatBase()->GetAvailableFormatIDs(&size, NULL);
            if (!err) *outPropertySize = size;
            break;
        }
        case kAudioFileComponent_HFSTypeCodesForType :
        {
            UInt32 size = 0xFFFFFFFF;
            err = GetAudioFileFormatBase()->GetHFSCodes(&size, NULL);
            if (!err) *outPropertySize = size;
            break;
        }
        case kAudioFileComponent_AvailableStreamDescriptionsForFormat :
            {
                if (inSpecifierSize != sizeof(UInt32)) return kAudioFileBadPropertySizeError;
                UInt32 inFormatID = *(UInt32*)inSpecifier;
                err = GetAudioFileFormatBase()->GetAvailableStreamDescriptions(inFormatID, outPropertySize, NULL);
            }
            break;
            
        default:
            err = kAudioFileUnsupportedPropertyError;
    }
    return err;
}
 
 
OSStatus AudioFileComponentBase::AFAPI_GetGlobalInfo(       
                                            AudioFilePropertyID     inPropertyID,
                                            UInt32                  inSpecifierSize,
                                            const void*             inSpecifier,
                                            UInt32                  *ioPropertySize,
                                            void                    *ioPropertyData)
{
    OSStatus err = noErr;
    
    if (!ioPropertyData || !ioPropertySize) return kAudio_ParamError;
    
    switch (inPropertyID)
    {
        case kAudioFileComponent_CanRead :
            {
                if (*ioPropertySize != sizeof(UInt32)) return kAudioFileBadPropertySizeError;
                UInt32* flag = (UInt32*)ioPropertyData;
                *flag = GetAudioFileFormatBase()->CanRead();
            }
            break;
            
        case kAudioFileComponent_CanWrite :
            {
                if (*ioPropertySize != sizeof(UInt32)) return kAudioFileBadPropertySizeError;
                UInt32* flag = (UInt32*)ioPropertyData;
                *flag = GetAudioFileFormatBase()->CanWrite();
            }
            break;
            
        case kAudioFileComponent_FileTypeName :
            {
                if (*ioPropertySize != sizeof(CFStringRef)) return kAudioFileBadPropertySizeError;
                CFStringRef* name = (CFStringRef*)ioPropertyData;
                GetAudioFileFormatBase()->GetFileTypeName(name);
            }
            break;
 
        case kAudioFileComponent_ExtensionsForType :
            {
                if (*ioPropertySize != sizeof(CFArrayRef)) return kAudioFileBadPropertySizeError;
                CFArrayRef* array = (CFArrayRef*)ioPropertyData;
                GetAudioFileFormatBase()->GetExtensions(array);
            }
            break;
 
        case kAudioFileComponent_UTIsForType :
            {
                if (*ioPropertySize != sizeof(CFArrayRef)) return kAudioFileBadPropertySizeError;
                CFArrayRef* array = (CFArrayRef*)ioPropertyData;
                GetAudioFileFormatBase()->GetUTIs(array);
            }
            break;
 
        case kAudioFileComponent_MIMETypesForType :
            {
                if (*ioPropertySize != sizeof(CFArrayRef)) return kAudioFileBadPropertySizeError;
                CFArrayRef* array = (CFArrayRef*)ioPropertyData;
                GetAudioFileFormatBase()->GetMIMETypes(array);
            }
            break;
 
        case kAudioFileComponent_HFSTypeCodesForType :
            {
                err = GetAudioFileFormatBase()->GetHFSCodes(ioPropertySize, ioPropertyData);
            }
            break;
            
        case kAudioFileComponent_AvailableFormatIDs :
            {
                err = GetAudioFileFormatBase()->GetAvailableFormatIDs(ioPropertySize, ioPropertyData);
            }
            break;
            
        case kAudioFileComponent_AvailableStreamDescriptionsForFormat :
            {
                if (inSpecifierSize != sizeof(UInt32)) return kAudioFileBadPropertySizeError;
                UInt32 inFormatID = *(UInt32*)inSpecifier; 
                err = GetAudioFileFormatBase()->GetAvailableStreamDescriptions(inFormatID, ioPropertySize, ioPropertyData);
            }
            break;
                        
        default:
            err = kAudioFileUnsupportedPropertyError;
    }
    return err;
}
 
 
#if !CA_USE_AUDIO_PLUGIN_ONLY
OSStatus AudioFileComponentBase::ComponentEntryDispatch(ComponentParameters* params, AudioFileComponentBase* inThis)
{
    OSStatus        result = noErr;
    if (inThis == NULL) return kAudio_ParamError;
    
    try
    {
        switch (params->what)
        {                       
            case kComponentCanDoSelect:
                switch (GetSelectorForCanDo(params))
                {
                    case kAudioFileCreateURLSelect:
                    case kAudioFileOpenURLSelect:
                    case kAudioFileOpenWithCallbacksSelect:
                    case kAudioFileInitializeWithCallbacksSelect:
                    case kAudioFileCloseSelect:
                    case kAudioFileOptimizeSelect:
                    case kAudioFileReadBytesSelect:
                    case kAudioFileWriteBytesSelect:
                    case kAudioFileReadPacketsSelect:
                    case kAudioFileWritePacketsSelect:
                    case kAudioFileGetPropertyInfoSelect:
                    case kAudioFileGetPropertySelect:
                    case kAudioFileSetPropertySelect:
                    case kAudioFileExtensionIsThisFormatSelect:
                    case kAudioFileFileDataIsThisFormatSelect:
                    case kAudioFileGetGlobalInfoSizeSelect:
                    case kAudioFileGetGlobalInfoSelect:
                    
                    case kAudioFileCountUserDataSelect:
                    case kAudioFileGetUserDataSizeSelect:
                    case kAudioFileGetUserDataSelect:
                    case kAudioFileSetUserDataSelect:
                    case kAudioFileRemoveUserDataSelect:
                        result = 1;
                        break;
                    default:
                     // these are no longer supported
/*                  case kAudioFileCreateSelect:
                    case kAudioFileOpenSelect:
                    case kAudioFileInitializeSelect:
*/                      result = ComponentBase::ComponentEntryDispatch(params, inThis);
                };
                break;
 
                case kAudioFileCreateURLSelect:
                    {
                        PARAM(CFURLRef, inFileRef, 0, 3);
                        PARAM(const AudioStreamBasicDescription*, inFormat, 1, 3);
                        PARAM(UInt32, inFlags, 2, 3);
                        
                        result = inThis->AFAPI_CreateURL(inFileRef, inFormat, inFlags);
                    }
                    break;
                case kAudioFileOpenURLSelect:
                    {
                        PARAM(CFURLRef, inFileRef, 0, 3);
                        PARAM(SInt32, inPermissions, 1, 3);
                        PARAM(int, inFileDescriptor, 2, 3);
                        
                        result = inThis->AFAPI_OpenURL(inFileRef, inPermissions, inFileDescriptor);
                    }
                    break;
                case kAudioFileOpenWithCallbacksSelect:
                    {
                        PARAM(void*, inRefCon, 0, 5);
                        PARAM(AudioFile_ReadProc, inReadFunc, 1, 5);
                        PARAM(AudioFile_WriteProc, inWriteFunc, 2, 5);
                        PARAM(AudioFile_GetSizeProc, inGetSizeFunc, 3, 5);
                        PARAM(AudioFile_SetSizeProc, inSetSizeFunc, 4, 5);
                        
                        result = inThis->AFAPI_OpenWithCallbacks(inRefCon, inReadFunc, inWriteFunc, 
                                                    inGetSizeFunc, inSetSizeFunc);
                    }
                    break;
                case kAudioFileInitializeWithCallbacksSelect:
                    {
                        PARAM(void*, inRefCon, 0, 8);
                        PARAM(AudioFile_ReadProc, inReadFunc, 1, 8);
                        PARAM(AudioFile_WriteProc, inWriteFunc, 2, 8);
                        PARAM(AudioFile_GetSizeProc, inGetSizeFunc, 3, 8);
                        PARAM(AudioFile_SetSizeProc, inSetSizeFunc, 4, 8);
                        PARAM(UInt32, inFileType, 5, 8);
                        PARAM(const AudioStreamBasicDescription*, inFormat, 6, 8);
                        PARAM(UInt32, inFlags, 7, 8);
                        
                        result = inThis->AFAPI_InitializeWithCallbacks(inRefCon, inReadFunc, inWriteFunc, 
                                                    inGetSizeFunc, inSetSizeFunc,
                                                    inFileType, inFormat, inFlags);
                    }
                    break;
                case kAudioFileCloseSelect:
                    {
                        result = inThis->AFAPI_Close();
                    }
                    break;
                case kAudioFileOptimizeSelect:
                    {
                        result = inThis->AFAPI_Optimize();
                    }
                    break;
                case kAudioFileReadBytesSelect:
                    {
                        PARAM(UInt32, inUseCache, 0, 4);
                        PARAM(SInt64*, inStartingByte, 1, 4);
                        PARAM(UInt32*, ioNumBytes, 2, 4);
                        PARAM(void*, outBuffer, 3, 4);
                        
                        result = inThis->AFAPI_ReadBytes(inUseCache, *inStartingByte, ioNumBytes,
                            outBuffer);
                    }
                    break;
                case kAudioFileWriteBytesSelect:
                    {
                        PARAM(UInt32, inUseCache, 0, 4);
                        PARAM(SInt64*, inStartingByte, 1, 4);
                        PARAM(UInt32*, ioNumBytes, 2, 4);
                        PARAM(const void*, inBuffer, 3, 4);
                        
                        result = inThis->AFAPI_WriteBytes(inUseCache, *inStartingByte, ioNumBytes,
                            inBuffer);
                    }
                    break;
                case kAudioFileReadPacketsSelect:
                    {
                        PARAM(UInt32, inUseCache, 0, 6);
                        PARAM(UInt32*, outNumBytes, 1, 6);
                        PARAM(AudioStreamPacketDescription*, outPacketDescriptions, 2, 6);
                        PARAM(SInt64*, inStartingPacket, 3, 6);
                        PARAM(UInt32*, ioNumPackets, 4, 6);
                        PARAM(void*, outBuffer, 5, 6);
                        
                        result = inThis->AFAPI_ReadPackets(inUseCache, outNumBytes, outPacketDescriptions, 
                            *inStartingPacket, ioNumPackets, outBuffer);
                    }
                    break;
                case kAudioFileWritePacketsSelect:
                    {
                        PARAM(UInt32, inUseCache, 0, 6);
                        PARAM(UInt32, inNumBytes, 1, 6);
                        PARAM(const AudioStreamPacketDescription*, inPacketDescriptions, 2, 6);
                        PARAM(SInt64*, inStartingPacket, 3, 6);
                        PARAM(UInt32*, ioNumPackets, 4, 6);
                        PARAM(const void*, inBuffer, 5, 6);
                        
                        result = inThis->AFAPI_WritePackets(inUseCache, inNumBytes, inPacketDescriptions, 
                            *inStartingPacket, ioNumPackets, inBuffer);
                    }
                    break;
                    
                case kAudioFileGetPropertyInfoSelect:
                    {
                        PARAM(AudioFileComponentPropertyID, inPropertyID, 0, 3);
                        PARAM(UInt32*, outPropertySize, 1, 3);
                        PARAM(UInt32*, outWritable, 2, 3);
                        
                        result = inThis->AFAPI_GetPropertyInfo(inPropertyID, outPropertySize, outWritable);
                    }
                    break;
                    
                case kAudioFileGetPropertySelect:
                    {
                        PARAM(AudioFileComponentPropertyID, inPropertyID, 0, 3);
                        PARAM(UInt32*, ioPropertyDataSize, 1, 3);
                        PARAM(void*, outPropertyData, 2, 3);
                        
                        result = inThis->AFAPI_GetProperty(inPropertyID, ioPropertyDataSize, outPropertyData);
                    }
                    break;
                case kAudioFileSetPropertySelect:
                    {
                        PARAM(AudioFileComponentPropertyID, inPropertyID, 0, 3);
                        PARAM(UInt32, inPropertyDataSize, 1, 3);
                        PARAM(const void*, inPropertyData, 2, 3);
                        
                        result = inThis->AFAPI_SetProperty(inPropertyID, inPropertyDataSize, inPropertyData);
                    }
                    break;
                    
                case kAudioFileGetGlobalInfoSizeSelect:
                    {
                        PARAM(AudioFileComponentPropertyID, inPropertyID, 0, 4);
                        PARAM(UInt32, inSpecifierSize, 1, 4);
                        PARAM(const void*, inSpecifier, 2, 4);
                        PARAM(UInt32*, outPropertyDataSize, 3, 4);
                        
                        result = inThis->AFAPI_GetGlobalInfoSize(inPropertyID, inSpecifierSize, inSpecifier,
                            outPropertyDataSize);
                    }
                    break;
                case kAudioFileGetGlobalInfoSelect:
                    {
                        PARAM(AudioFileComponentPropertyID, inPropertyID, 0, 5);
                        PARAM(UInt32, inSpecifierSize, 1, 5);
                        PARAM(const void*, inSpecifier, 2, 5);
                        PARAM(UInt32*, ioPropertyDataSize, 3, 5);
                        PARAM(void*, outPropertyData, 4, 5);
                        
                        result = inThis->AFAPI_GetGlobalInfo(inPropertyID, inSpecifierSize, inSpecifier,
                            ioPropertyDataSize, outPropertyData);
                    }
                    break;
                    
                case kAudioFileExtensionIsThisFormatSelect:
                    {
                        PARAM(CFStringRef, inExtension, 0, 2);
                        PARAM(UInt32*, outResult, 1, 2);
                        
                        AudioFileFormatBase* aff = inThis->GetAudioFileFormatBase();
                        if (!aff) return kAudio_ParamError;
                        
                        UInt32 res = aff->ExtensionIsThisFormat(inExtension);
                        if (outResult) *outResult = res;
                    }
                    break;
                    
                case kAudioFileFileDataIsThisFormatSelect:
                    {
                        PARAM(UInt32, inDataByteSize, 0, 3);
                        PARAM(const void*, inData, 1, 3);
                        PARAM(UInt32*, outResult, 2, 3);
                        
                        AudioFileFormatBase* aff = inThis->GetAudioFileFormatBase();
                        if (!aff) return kAudio_ParamError;
                        
                        UncertainResult res = aff->FileDataIsThisFormat(inDataByteSize, inData);
                        if (outResult) *outResult = res;
                    }
                    break;
 
                case kAudioFileCountUserDataSelect:
                    {
                        PARAM(UInt32, inUserDataID, 0, 2);
                        PARAM(UInt32*, outNumberItems, 1, 2);
                    
                        result = inThis->AFAPI_CountUserData(inUserDataID, outNumberItems);
                    }
                    break;
                    
                case kAudioFileGetUserDataSizeSelect:
                    {
                        PARAM(UInt32, inUserDataID, 0, 3);
                        PARAM(UInt32, inIndex, 1, 3);
                        PARAM(UInt32*, outUserDataSize, 2, 3);
                        
                        result = inThis->AFAPI_GetUserDataSize(inUserDataID, inIndex, outUserDataSize);
                    }
                    break;
                    
                case kAudioFileGetUserDataSelect:
                    {
                        PARAM(UInt32, inUserDataID, 0, 4);
                        PARAM(UInt32, inIndex, 1, 4);
                        PARAM(UInt32*, ioUserDataSize, 2, 4);
                        PARAM(void*, outUserData, 3, 4);
                        
                        result = inThis->AFAPI_GetUserData(inUserDataID, inIndex, 
                                        ioUserDataSize, outUserData);
                    }
                    break;
                    
                case kAudioFileSetUserDataSelect:
                    {
                        PARAM(UInt32, inUserDataID, 0, 4);
                        PARAM(UInt32, inIndex, 1, 4);
                        PARAM(UInt32, inUserDataSize, 2, 4);
                        PARAM(const void*, inUserData, 3, 4);
                        
                        result = inThis->AFAPI_SetUserData(inUserDataID, inIndex, 
                                        inUserDataSize, inUserData);
                    }
                    break;
    
                case kAudioFileRemoveUserDataSelect:
                    {
                        PARAM(UInt32, inUserDataID, 0, 2);
                        PARAM(UInt32, inIndex, 1, 2);
                        
                        result = inThis->AFAPI_RemoveUserData(inUserDataID, inIndex);
                    }
                    break;
    
        
                default:
                    result = ComponentBase::ComponentEntryDispatch(params, inThis);
                    break;
        }
    }
    COMPONENT_CATCH
    return result;
} 
#endif
 
AudioComponentMethod AudioFileComponentLookup::Lookup (SInt16 selector)
{
    switch (selector) {
    
#define DefCase(NAME) case kAudioFile##NAME##Select: return (AudioComponentMethod)NAME
 
        DefCase(OpenWithCallbacks);
        DefCase(InitializeWithCallbacks);
        DefCase(Close);
        DefCase(Optimize);
        DefCase(ReadBytes);
        DefCase(WriteBytes);
        DefCase(ReadPackets);
        DefCase(WritePackets);
        DefCase(GetPropertyInfo);
        DefCase(GetProperty);
        DefCase(SetProperty);
        
        DefCase(ExtensionIsThisFormat);
        DefCase(GetGlobalInfoSize);
        DefCase(GetGlobalInfo);
 
        DefCase(CountUserData);
        DefCase(GetUserDataSize);
        DefCase(GetUserData);
        DefCase(SetUserData);
        DefCase(RemoveUserData);
        DefCase(CreateURL);
        DefCase(OpenURL);
        DefCase(FileDataIsThisFormat);
        DefCase(ReadPacketData);
        
        // These selectors are deprecated and do not appear: Create, Open, Initialize, FileIsThisFormat, DataIsThisFormat.
 
        default:
            break;
    }
    return NULL;
}