1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include "MMFAudioPcm8ToPcm16Codec.h"

    17 

    18 #include <e32base.h>

    19 #include <e32math.h>

    20 #include <f32file.h>

    21 #include <s32file.h>

    22 

    23 /**

    24 *

    25 * Convert

    26 * @param aSrc

    27 * @param aDst

    28 * @param aSamples

    29 * Signed 8bit to Signed 16bit

    30 */

    31 EXPORT_C void TMMFAudioPcm8ToPcm16Codec::Convert(TUint8* aSrc, TUint8* aDst, TInt aSamples)

    32 	{

    33 	TInt16 s16;

    34 	while (aSamples--)

    35 		{ 

    36 		s16 = static_cast<TInt16>((*aSrc++)<<8);

    37 		*aDst++ = STATIC_CAST( TUint8, s16&KAndMask8bit);

    38 		*aDst++ = STATIC_CAST( TUint8, (s16>>8)&KAndMask8bit);		

    39 		}

    40 	}