/*

     File: CAHALAudioStream.h 

 Abstract:  Part of CoreAudio Utility Classes  

  Version: 2.1.1 

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*/

#if !defined(__CAHALAudioStream_h__)

#define __CAHALAudioStream_h__

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

//  Includes

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

//  Super Class Includes

#include "CAHALAudioObject.h"

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

//  CAHALAudioStream

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

class CAHALAudioStream

:

    public  CAHALAudioObject

{

//  Construction/Destruction

public:

                    CAHALAudioStream(AudioObjectID inAudioStream);

    virtual         ~CAHALAudioStream();

//  Attributes

public:

    UInt32          GetDirection() const;

    UInt32          GetTerminalType() const;

    UInt32          GetStartingChannel() const;

    UInt32          GetLatency() const;

//  Format Info

public:

    void            GetCurrentVirtualFormat(AudioStreamBasicDescription& outFormat) const;

    void            SetCurrentVirtualFormat(const AudioStreamBasicDescription& inFormat);

    UInt32          GetNumberAvailableVirtualFormats() const;

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

    void            GetAvailableVirtualFormatByIndex(UInt32 inIndex, AudioStreamRangedDescription& outFormat) const;

    void            GetCurrentPhysicalFormat(AudioStreamBasicDescription& outFormat) const;

    void            SetCurrentPhysicalFormat(const AudioStreamBasicDescription& inFormat);

    UInt32          GetNumberAvailablePhysicalFormats() const;

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

    void            GetAvailablePhysicalFormatByIndex(UInt32 inIndex, AudioStreamRangedDescription& outFormat) const;

};

#endif