--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmlibs/mmfw/tsrc/mmfunittest/ACOD/TestCodecs/TSU_MMF_ACOD_AAAABBBBTest2Codec.cpp	Thu Oct 07 22:34:12 2010 +0100
@@ -0,0 +1,103 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:
+*
+* Description:
+*
+*/
+
+
+#include "TSU_MMF_ACOD_AAAABBBBTest2Codec.h"
+
+// __________________________________________________________________________
+// Implementation
+
+/** @xxxx
+ *	This function instantiates a CMMFAAAABBBBTest2Codec
+ *
+ * @param	"TAny* aInitParams" 
+ *			pointer to initial codec parameters
+ *
+ * @return	pointer to newly instantiated codec
+ */
+CMMFCodec* CMMFAAAABBBBTest2Codec::NewL(TAny* aInitParams)
+	{
+	CMMFAAAABBBBTest2Codec* self=new(ELeave) CMMFAAAABBBBTest2Codec();
+	CleanupStack::PushL(self);
+	self->ConstructL(aInitParams);
+	CleanupStack::Pop(self);
+	return STATIC_CAST( CMMFCodec*, self );
+	}
+
+CMMFAAAABBBBTest2Codec::~CMMFAAAABBBBTest2Codec()
+	{
+	}
+
+CMMFAAAABBBBTest2Codec::CMMFAAAABBBBTest2Codec()
+	{
+	}
+
+void CMMFAAAABBBBTest2Codec::ConstructL(TAny* /*aInitParams*/)
+	{
+	}
+
+/** @xxxx
+ *	This function writes '7's to the destination buffer, regardless of what is in the source buffer.
+ *	This codec only exists to test the preferred supplier codec instantiation.
+ *
+ * @param	"const CMMFBuffer& aSrc" 
+ *			reference to source buffer
+ *			"CMMFBuffer& aDst" 
+ *			reference to destination buffer
+ *
+ * @return	result of operation.
+ */
+TCodecProcessResult CMMFAAAABBBBTest2Codec::ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDst)
+	{
+	//convert from generic CMMFBuffer to CMMFDataBuffer
+	iSrc = STATIC_CAST(const CMMFDataBuffer*, &aSrc);
+	iDst = STATIC_CAST(CMMFDataBuffer*, &aDst);
+
+	const TUint dstMaxLen = iDst->Data().MaxLength();
+
+	if (!dstMaxLen)
+		User::Leave(KErrArgument);
+
+	//don't scribble Destination (pDst) by only consuming enough source to fill pDst
+	TUint srcUse = dstMaxLen - iDst->Position();
+	const TUint srcLen = iSrc->Data().Length();
+	const TUint sourceRemain = srcLen - iSrc->Position();
+
+	//make sure we don't blow source by checking against remaining
+	//and clipping to minimum remaining if necessary
+	srcUse = (srcUse<sourceRemain ? srcUse : sourceRemain);
+	
+	TUint8* pDst = CONST_CAST(TUint8*,iDst->Data().Ptr());
+	pDst += iDst->Position();
+
+	TUint samplesToProcess = srcUse;
+	while (samplesToProcess--)
+		{ 
+		*pDst++ = 7;
+		}
+
+	TCodecProcessResult result;
+	result.iStatus = TCodecProcessResult::EProcessComplete;
+
+	result.iSrcBytesProcessed = srcUse;
+	result.iDstBytesAdded = srcUse;
+
+	iDst->Data().SetLength(iDst->Position() + result.iDstBytesAdded);
+
+	return result;
+
+	}