tinputstream.h

手机流文件的处理程序源代码！The interface to an audio stream player passing audio data from the audio hardware to

// TInputStream.h
//
// Copyright (c) 2003 Symbian Ltd.  All rights reserved.
//

#ifndef __TINPUTSTREAM_H__
#define __TINPUTSTREAM_H__

#include <coecntrl.h>
#include <coeccntx.h>
#include <coemain.h>

#include <eikappui.h>
#include <eikapp.h>
#include <eikdoc.h>
#include <eikenv.h>
#include <eikdialg.h>
#include <aknappui.h>
#include <aknapp.h>
#include <akndoc.h>

#include <mda\common\audio.h>

#include <MdaAudioInputStream.h>
#include <MdaAudioOutputStream.h>

#include <TInputStream.rsg>
#include "TInputStream.hrh"

const TUid KUidMdaAudioInputStreamingTestApp = { 268457530 };

//
// CTInputStreamAppView
//

class CTInputStreamAppView : public CCoeControl
    {
public:
	CTInputStreamAppView();
	~CTInputStreamAppView();
    void ConstructL(const TRect& aRect);
	void AddMessage(const TDesC& aMessage);
private:
	// from CCoeControl
	void Draw(const TRect& /*aRect*/) const;
private:
	TInt iFontHeight;
	TInt iFontAscent;
	CFbsBitmap* iBitmap;
	CFbsBitmapDevice* iBitmapDev;
	CFbsBitGc* iBitmapGc;
    };

//
// CTInputStreamAppUi
//

class CTInputStreamAppUi : public CAknAppUi, public MMdaAudioInputStreamCallback, public MMdaAudioOutputStreamCallback
    {
public:
	~CTInputStreamAppUi();
    void ConstructL();
	void HandleCommandL(TInt aCommand);
	// From MMdaAudioInputStreamCallback 
	virtual void MaiscOpenComplete(TInt aError);
	virtual void MaiscBufferCopied(TInt aError, const TDesC8& aBuffer);
	virtual void MaiscRecordComplete(TInt aError);
	// From MMdaAudioOutputStreamCallback
	virtual void MaoscOpenComplete(TInt aError);
	virtual void MaoscBufferCopied(TInt aError, const TDesC8& aBuffer);
	virtual void MaoscPlayComplete(TInt aError);
	// New functions
	void OpenCompleteL(TInt aError);
	void RecordL();
	void PlayL();
private:
	enum TState
		{
		EClosed,
		EFirstOpenSuccessful,
		EOpen,
		EPlaying,
		ERecording
		};
private:
    CTInputStreamAppView* iAppView;
	TState iState;
	CMdaAudioInputStream* iInput;
	CMdaAudioOutputStream* iOutput;
	RPointerArray<TDes8> iBuffer;
	TMdaAudioDataSettings iSettings;
    };

//
// CTInputStreamDocument
//

class CTInputStreamDocument : public CAknDocument
	{
public:
	CTInputStreamDocument(CEikApplication& aApp);
private:
	// From CAknDocument
	CEikAppUi* CreateAppUiL();
	};

//
// CTInputStreamApp
//

class CTInputStreamApp : public CAknApplication
	{
private:
	// From CApaApplication
	CApaDocument* CreateDocumentL();
	TUid AppDllUid() const;
	};

#endif