audio1eng.h

这是Symbian上的Audio的例子,希望对你有帮助

/* Copyright (c) 2004, Symbian Software Ltd. All rights reserved */

#ifndef __Audio1ENG_H__
#define __Audio1ENG_H__

#include <aknapp.h>
#include <MdaAudioSamplePlayer.h>
#include <eikmenup.h>

class CAudio1Ui;

class CAudio1Engine : public CBase, public MMdaAudioPlayerCallback
    {
public:
    static CAudio1Engine* NewL( CAudio1Ui& aAppUi);
    static CAudio1Engine* NewLC(CAudio1Ui& aAppUi);
    ~CAudio1Engine();

public:
	void SetFileL(const TDesC& aFileName);
    void PlayL();
    void StopL();
    void UpdateMenu(CEikMenuPane* aMenuPane);

public: // from MMdaAudioPlayerCallback
    void MapcInitComplete(TInt aError, const TTimeIntervalMicroSeconds& aDuration);
    void MapcPlayComplete(TInt aError);

private:
    CAudio1Engine(CAudio1Ui& aAppUi);
    void ConstructL();

private:
    enum TState
        {
        ENotReady,
        EReady,
        EPlaying
        };
    
    TState iState;
    CMdaAudioPlayerUtility* iUtility;
	CAudio1Ui& iAppUi;
    };

#endif // __Audio1ENG_H__