#ifndef STREAMPLAYER_H

#define STREAMPLAYER_H

#include<MdaAudioOutputStream.h>

const TInt KSilenceBuffer = 256;

class MStreamObs

    {

    public:

    	enum 

    	{

    	EInit, 

    	EPlay,

    	EWrite,

    	EClose,	

    	};

        virtual void Complete(TInt aState, TInt aError) = 0;

    };

class MStreamProvider

	{

	public:

		virtual TPtrC8 Data() = 0;	

	};

NONSHARABLE_CLASS(CStreamPlayer) : public CBase, public MMdaAudioOutputStreamCallback

	{

	public:

		CStreamPlayer(MStreamProvider& aProvider, MStreamObs& aObs);

		~CStreamPlayer();

		void ConstructL();

		static TInt ClosestSupportedRate(TInt aRate);

		TInt OpenStream(TInt aRate, TInt aChannels, TUint32 aType = KMMFFourCCCodePCM16);

		void SetVolume(TInt aNew);

		TInt Volume() const;

		TInt MaxVolume() const;

		void Stop();

		void Start();

		void Open();

		void Close();

		TBool Playing() const;

		TBool Closed() const;

	private:

		void MaoscOpenComplete(TInt aError) ;

		void MaoscBufferCopied(TInt aError, const TDesC8& aBuffer);

		void MaoscPlayComplete(TInt aError);

	private:

		void Request();

		void SetCapsL();

	private:

		MStreamProvider& iProvider;

		MStreamObs& iObs;	

		TInt iVolume;

		CMdaAudioOutputStream* iStream;

		TInt iRate;

		TInt iChannels;

		TUint32 iType;

		enum 

			{

				ENone = 0,

				EInited = 0x1,

				EStarted = 0x2,

				EStopped = 0x4,

				EVolumeChange = 0x8,

				EDied		  = 0x10

			};

		TInt iState;

		TBuf8<KSilenceBuffer> iSilence;

		TPtrC8 iPtr;

	};

#endif