/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - Initial contribution

*

* Contributors:

* Ixonos Plc

*

* Description:  

*

*/

#ifndef MP3MIXAPI__H

#define MP3MIXAPI__H

#include "ProcInFileHandler.h"

#include "ProcOutFileHandler.h"

#include "imdct2.h"

#include "editdef.h"

class CImdct2;

class CMp3Mix : public CBase

    {

public:

    IMPORT_C static CMp3Mix* NewL();

    IMPORT_C ~CMp3Mix();

    IMPORT_C TBool StartMixingL(CProcInFileHandler* aMP3InFileHandler1, 

                                TInt aStartPosMilli1,

                                CProcInFileHandler* aMP3InFileHandler2,

                                TInt aStartPosMilli2,

                                CProcOutFileHandler* aMP3OutFileHandler,

                                TInt aBitrateShort,

                                TInt aBitrateLong,

                                   TInt& aMixingDuration);

    IMPORT_C TBool MixFrameL(HBufC8* aMP3InBuffer1, HBufC8* aMP3InBuffer2, TInt& aFramesProcessed);

    IMPORT_C TBool StopMixing();

    static TBool WriteL(TDesC& aMessage);

    TBool WriteFloatsL(FLOAT* aArray, TInt aLen) const;

    TBool WriteIntsL(TInt16* aArray, TInt aLen);

private:

    void ConstructL();

    CMp3Mix();

    CProcInFileHandler* iIn1;

    CProcInFileHandler* iIn2;

    CProcOutFileHandler* iOut1;

    TAudioMixerInputInfo* iInfo;

    CEditorAPIHandle* iEditorAPIHandle1;

    CEditorAPIHandle* iEditorAPIHandle2;

    TUint iFrameCount1;

    TUint iFrameCount2;

    CEditorChunk* iChunk1;

    CEditorChunk* iChunk2;

    TUint iFramesMixed;

    CL3MixerHelper* iL3Mix;

    CImdct2* imdct2; 

    TInt iMixingDuration;

    RFile* iFile;

    RFs* iFs;

    TBool iFileOpened;

    HBufC8* iWriteBuffer; 

    };

#endif