1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef MCCFILEAUDIO_H

    22 #define MCCFILEAUDIO_H

    23 

    24 // INCLUDES

    25 #include <mmf/common/mmfutilities.h>

    26 

    27 #include "mccfilesourcetypebase.h"

    28 

    29 // FORWARD DECLARATIONS

    30 class CMccFileSourceImpl;

    31 	

    32 

    33 class CMccFileAudio : public CMccFileSourceTypeBase

    34 	{

    35 public:

    36     static CMccFileAudio* NewL( CMccFileSourceImpl& aSource );

    37 

    38 

    39 	~CMccFileAudio();

    40 

    41 public:

    42     void FillBufferL( CMMFBuffer* aBuffer, MDataSink* aConsumer );

    43 	void DoSetPositionL( TUint32 aPosition );

    44  	CCMRMediaBuffer::TBufferType Type();

    45     TUint32 Position();

    46     TUint32 Duration();

    47     TUint32 AudioBitRate();

    48     TSize VideoFrameSize();

    49     TReal VideoFrameRateL();

    50 	void StartTimerL();

    51 	TFourCC GetFourCC();

    52 	TCallBack TickCallBack();

    53 	

    54 public:

    55     static TInt TickAudioL( TAny* aObject );

    56 	TBool ReadFrameL( TBool aDoTimingCorrection );

    57 	

    58 public:

    59 

    60     TBool ParseUpdateAudioDescriptions( MP4Handle aMP4Handle );

    61     

    62 private:

    63 

    64 	CMccFileAudio( CMccFileSourceImpl& aSource );

    65 	void ConstructL();

    66 	

    67 private:

    68 

    69 	TTimeIntervalMicroSeconds GetTimeStamp( TUint32 aAddToTimeStamp );

    70 	

    71 	/**

    72     * Returns the frame lenght from given audio sample

    73     * @since 

    74     */

    75 	TUint32 GetFrameLength( TPtrC8 aData );

    76 	

    77 	void WriteBufferL();

    78 

    79 private: //data

    80 		

    81 	TUint32 iLength;

    82 	TUint32 iType;

    83     TUint32 iAverageBitRate;

    84     TUint32 iBufferSize;

    85     TUint32 iAudioSize;

    86     TUint32 iReturnedFrames;

    87 

    88     TBool   iIsAudioLeft;

    89 

    90     TUint8  iFramesPerSample;

    91     

    92     TFourCC	iFourCC;

    93 

    94     CCMRMediaBuffer::TBufferType iBufferType;	

    95     

    96     TInt iReadsPerInterval;

    97     

    98 private:

    99    

   100 	#ifdef EUNIT_TEST

   101         friend class UT_CMccFileAudio;

   102         friend class UT_CMccMultiplexer;

   103     #endif	

   104 	};

   105 

   106 #endif // MCCFILEAUDIO_H

   107 

   108 // end of file