[sdl_omap.git] / src / audio / symbian / streamplayer.h

#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
Commit	Line	Data
e14743d1	1	#ifndef STREAMPLAYER_H
	2	#define STREAMPLAYER_H
	3
	4	#include<MdaAudioOutputStream.h>
	5
	6	const TInt KSilenceBuffer = 256;
	7
	8	class MStreamObs
	9	{
	10	public:
	11	enum
	12	{
	13	EInit,
	14	EPlay,
	15	EWrite,
	16	EClose,
	17	};
	18	virtual void Complete(TInt aState, TInt aError) = 0;
	19	};
	20
	21	class MStreamProvider
	22	{
	23	public:
	24	virtual TPtrC8 Data() = 0;
	25	};
	26
	27	NONSHARABLE_CLASS(CStreamPlayer) : public CBase, public MMdaAudioOutputStreamCallback
	28	{
	29	public:
	30	CStreamPlayer(MStreamProvider& aProvider, MStreamObs& aObs);
	31	~CStreamPlayer();
	32	void ConstructL();
	33
	34	static TInt ClosestSupportedRate(TInt aRate);
	35
	36	TInt OpenStream(TInt aRate, TInt aChannels, TUint32 aType = KMMFFourCCCodePCM16);
	37
	38	void SetVolume(TInt aNew);
	39	TInt Volume() const;
	40	TInt MaxVolume() const;
	41
	42	void Stop();
	43	void Start();
	44	void Open();
	45	void Close();
	46
	47	TBool Playing() const;
	48	TBool Closed() const;
	49
	50	private:
	51
	52	void MaoscOpenComplete(TInt aError) ;
	53	void MaoscBufferCopied(TInt aError, const TDesC8& aBuffer);
	54	void MaoscPlayComplete(TInt aError);
	55
	56	private:
	57	void Request();
	58	void SetCapsL();
	59
	60	private:
	61	MStreamProvider& iProvider;
	62	MStreamObs& iObs;
	63	TInt iVolume;
	64
65	CMdaAudioOutputStream* iStream;
66
67	TInt iRate;
68	TInt iChannels;
69	TUint32 iType;
70
71	enum
72	{
73	ENone = 0,
74	EInited = 0x1,
75	EStarted = 0x2,
76	EStopped = 0x4,
77	EVolumeChange = 0x8,
78	EDied = 0x10
79	};
80
81	TInt iState;
82	TBuf8<KSilenceBuffer> iSilence;
83	TPtrC8 iPtr;
84
85	};
86
87
88	#endif
89