/*

     File: CAHALAudioStream.cpp 

 Abstract:  CAHALAudioStream.h  

  Version: 2.1.1 

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*/

//==================================================================================================

//  Includes

//==================================================================================================

//  Self Include

#include "CAHALAudioStream.h"

//  PublicUtility Includes

#include "CAAutoDisposer.h"

#include "CADebugMacros.h"

#include "CAException.h"

#include "CAPropertyAddress.h"

//==================================================================================================

//  CAHALAudioStream

//==================================================================================================

CAHALAudioStream::CAHALAudioStream(AudioObjectID inAudioStream)

:

    CAHALAudioObject(inAudioStream)

{

}

CAHALAudioStream::~CAHALAudioStream()

{

}

UInt32  CAHALAudioStream::GetDirection() const

{

    CAPropertyAddress theAddress(kAudioStreamPropertyDirection);

    return GetPropertyData_UInt32(theAddress, 0, NULL);

}

UInt32  CAHALAudioStream::GetTerminalType() const

{

    CAPropertyAddress theAddress(kAudioStreamPropertyTerminalType);

    return GetPropertyData_UInt32(theAddress, 0, NULL);

}

UInt32  CAHALAudioStream::GetStartingChannel() const

{

    CAPropertyAddress theAddress(kAudioStreamPropertyStartingChannel);

    return GetPropertyData_UInt32(theAddress, 0, NULL);

}

UInt32  CAHALAudioStream::GetLatency() const

{

    CAPropertyAddress theAddress(kAudioStreamPropertyLatency);

    return GetPropertyData_UInt32(theAddress, 0, NULL);

}

void    CAHALAudioStream::GetCurrentVirtualFormat(AudioStreamBasicDescription& outFormat) const

{

    CAPropertyAddress theAddress(kAudioStreamPropertyVirtualFormat);

    UInt32 theSize = sizeof(AudioStreamBasicDescription);

    GetPropertyData(theAddress, 0, NULL, theSize, &outFormat);

}

void    CAHALAudioStream::SetCurrentVirtualFormat(const AudioStreamBasicDescription& inFormat)

{

    CAPropertyAddress theAddress(kAudioStreamPropertyVirtualFormat);

    SetPropertyData(theAddress, 0, NULL, sizeof(AudioStreamBasicDescription), &inFormat);

}

UInt32  CAHALAudioStream::GetNumberAvailableVirtualFormats() const

{

    CAPropertyAddress theAddress(kAudioStreamPropertyAvailableVirtualFormats);

    UInt32 theAnswer = GetPropertyDataSize(theAddress, 0, NULL);

    theAnswer /= SizeOf32(AudioStreamRangedDescription);

    return theAnswer;

}

void    CAHALAudioStream::GetAvailableVirtualFormats(UInt32& ioNumberFormats, AudioStreamRangedDescription* outFormats) const

{

    CAPropertyAddress theAddress(kAudioStreamPropertyAvailableVirtualFormats);

    UInt32 theSize = ioNumberFormats * SizeOf32(AudioStreamRangedDescription);

    GetPropertyData(theAddress, 0, NULL, theSize, outFormats);

    ioNumberFormats = theSize / SizeOf32(AudioStreamRangedDescription);

}

void    CAHALAudioStream::GetAvailableVirtualFormatByIndex(UInt32 inIndex, AudioStreamRangedDescription& outFormat) const

{

    UInt32 theNumberFormats = GetNumberAvailableVirtualFormats();

    if((theNumberFormats > 0) && (inIndex < theNumberFormats))

    {

        CAAutoArrayDelete<AudioStreamRangedDescription> theFormats(theNumberFormats);

        GetAvailableVirtualFormats(theNumberFormats, theFormats);

        if((theNumberFormats > 0) && (inIndex < theNumberFormats))

        {

            outFormat = theFormats[inIndex];

        }

    }

}

void    CAHALAudioStream::GetCurrentPhysicalFormat(AudioStreamBasicDescription& outFormat) const

{

    CAPropertyAddress theAddress(kAudioStreamPropertyPhysicalFormat);

    UInt32 theSize = sizeof(AudioStreamBasicDescription);

    GetPropertyData(theAddress, 0, NULL, theSize, &outFormat);

}

void    CAHALAudioStream::SetCurrentPhysicalFormat(const AudioStreamBasicDescription& inFormat)

{

    CAPropertyAddress theAddress(kAudioStreamPropertyPhysicalFormat);

    SetPropertyData(theAddress, 0, NULL, sizeof(AudioStreamBasicDescription), &inFormat);

}

UInt32  CAHALAudioStream::GetNumberAvailablePhysicalFormats() const

{

    CAPropertyAddress theAddress(kAudioStreamPropertyAvailablePhysicalFormats);

    UInt32 theAnswer = GetPropertyDataSize(theAddress, 0, NULL);

    theAnswer /= SizeOf32(AudioStreamRangedDescription);

    return theAnswer;

}

void    CAHALAudioStream::GetAvailablePhysicalFormats(UInt32& ioNumberFormats, AudioStreamRangedDescription* outFormats) const

{

    CAPropertyAddress theAddress(kAudioStreamPropertyAvailablePhysicalFormats);

    UInt32 theSize = ioNumberFormats * SizeOf32(AudioStreamRangedDescription);

    GetPropertyData(theAddress, 0, NULL, theSize, outFormats);

    ioNumberFormats = theSize / SizeOf32(AudioStreamRangedDescription);

}

void    CAHALAudioStream::GetAvailablePhysicalFormatByIndex(UInt32 inIndex, AudioStreamRangedDescription& outFormat) const

{

    UInt32 theNumberFormats = GetNumberAvailablePhysicalFormats();

    if((theNumberFormats > 0) && (inIndex < theNumberFormats))

    {

        CAAutoArrayDelete<AudioStreamRangedDescription> theFormats(theNumberFormats);

        GetAvailablePhysicalFormats(theNumberFormats, theFormats);

        if((theNumberFormats > 0) && (inIndex < theNumberFormats))

        {

            outFormat = theFormats[inIndex];

        }

    }

}