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*/
/*=============================================================================
	ACCodec.h

=============================================================================*/
#if !defined(__ACCodec_h__)
#define __ACCodec_h__

//=============================================================================
//	Includes
//=============================================================================

#include "CAConditionalMacros.h"

#if CoreAudio_Use_Framework_Includes
	#include <AudioUnit/AudioCodec.h>
#else
	#include "AudioCodec.h"
#endif

//=============================================================================
//	ACCodec
//
//	A totally abstract base class for implementing components that conform to
//	the AudioCodec API.
//=============================================================================

class ACCodec
{

//	Construction/Destruction
public:
					ACCodec();
	virtual			~ACCodec();

//	Property Management
public:
	virtual void	GetPropertyInfo(AudioCodecPropertyID inPropertyID, UInt32& outSize, bool& outWritable) = 0;
	virtual void	GetProperty(AudioCodecPropertyID inPropertyID, UInt32& ioPropertyDataSize, void* outPropertyData) = 0;
	virtual void	SetProperty(AudioCodecPropertyID inPropertyID, UInt32 inPropertyDataSize, const void* inPropertyData) = 0;

//	Data Handling
public:
	virtual void	Initialize(const AudioStreamBasicDescription* inInputFormat, const AudioStreamBasicDescription* inOutputFormat, const void* inMagicCookie, UInt32 inMagicCookieByteSize) = 0;
	virtual void	Uninitialize() = 0;
	virtual void	AppendInputData(const void* inInputData, UInt32& ioInputDataByteSize, UInt32& ioNumberPackets, const AudioStreamPacketDescription* inPacketDescription) = 0;
	virtual UInt32	ProduceOutputPackets(void* outOutputData, UInt32& ioOutputDataByteSize, UInt32& ioNumberPackets, AudioStreamPacketDescription* outPacketDescription) = 0;
	virtual void	Reset() = 0;

//	Component Support
public:
	virtual bool	Register() const;
	virtual UInt32	GetVersion() const;

};

// when throwing static_cast to ComponentResult so the catch will grab the error code correctly
#define CODEC_THROW(err) \
	throw static_cast<ComponentResult>(err)

#endif
