--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/devsoundrefplugin/tsrc/swcdwrap/TSU_SWCDWRAP_TestDevice/TSU_MMF_SWCDWRAP_TestDevice.cpp	Fri Oct 08 19:40:43 2010 +0100
@@ -0,0 +1,157 @@
+// Copyright (c) 2003-2009 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_SWCDWRAP_TestDevice.h"
+
+void Panic()
+	{
+	_LIT(KMMF_SWCDWRAP_UnitTestPanic, "TSU_MMF_SWCDWRAP");
+	User::Panic(KMMF_SWCDWRAP_UnitTestPanic, 0);
+	}
+
+/**
+ *
+ *	test null hw device
+ *	@return	"CMMFTestNullDevice"
+ *
+ */
+CMMFTestNullDevice* CMMFTestNullDevice::NewL()
+	{
+    CMMFTestNullDevice* self = new (ELeave) CMMFTestNullDevice();
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop();
+	return self;
+	}
+
+/**
+ *
+ *	Second phase constructor.
+ *
+ */
+void CMMFTestNullDevice::ConstructL()
+	{
+    // Create device codec
+	iCodec = new (ELeave) CMMFTestNullCodec();
+	}
+
+
+CMMFTestNullDevice::~CMMFTestNullDevice()
+	{
+	}
+
+
+CMMFSwCodec& CMMFTestNullDevice::Codec()
+	{
+	__ASSERT_ALWAYS(iCodec, Panic());
+	return *iCodec;
+	}
+
+
+CMMFSwCodec::TCodecProcessResult CMMFTestNullCodec::ProcessL(const CMMFBuffer& /*aSource*/, CMMFBuffer& /*aDest*/)
+	{//no processing required for null codec
+	User::Leave(KErrNotSupported); 
+	//to keep compiler happy
+	TCodecProcessResult result;
+	result.iCodecProcessStatus = TCodecProcessResult::EEndOfData;
+	result.iSrcBytesProcessed = 0;
+	result.iDstBytesAdded = 0;
+	return result;
+	};
+
+
+
+/**
+ *
+ *	test null hw device
+ *	@return	"CMMFTestNullDevice"
+ *
+ */
+CMMFTest2To1Device* CMMFTest2To1Device::NewL()
+	{
+    CMMFTest2To1Device* self = new (ELeave) CMMFTest2To1Device();
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop();
+	return self;
+	}
+
+/**
+ *
+ *	Second phase constructor.
+ *
+ */
+void CMMFTest2To1Device::ConstructL()
+	{
+    // Create device codec
+	iCodec = new (ELeave) CMMFTest2To1Codec();
+	}
+
+
+CMMFTest2To1Device::~CMMFTest2To1Device()
+	{
+	}
+
+
+CMMFSwCodec& CMMFTest2To1Device::Codec()
+	{
+	__ASSERT_ALWAYS(iCodec, Panic());
+	return *iCodec;
+	}
+
+
+CMMFSwCodec::TCodecProcessResult CMMFTest2To1Codec::ProcessL(const CMMFBuffer& aSource, CMMFBuffer& aDest)
+	{//no processing required for null codec
+	
+	//convert from generic CMMFBuffer to CMMFDataBuffer
+	const CMMFDataBuffer* src = static_cast<const CMMFDataBuffer*>(&aSource);
+	CMMFDataBuffer* dst = static_cast<CMMFDataBuffer*>(&aDest);
+
+	const TUint dstMaxLen = dst->Data().MaxLength();
+
+	if (!dstMaxLen)
+	    {
+		User::Leave(KErrArgument);
+	    }
+
+	const TUint srcLen = src->Data().Length();
+
+	//we need to cast away CONST even on the source, as the TClass needs a TUint8*
+	const TUint8* pSrc = src->Data().Ptr();
+	TUint8* pDst = const_cast<TUint8*>(dst->Data().Ptr());
+	
+	TUint numberOfSamplesToGenerate = srcLen/4; // /2 to convert from bytes to samples and /2 as we only take every other
+	
+	ASSERT(numberOfSamplesToGenerate*2 <= dstMaxLen); // should be true for test
+	
+	TInt numberOfSamples = numberOfSamplesToGenerate;
+
+	while (numberOfSamples--)
+		{ 
+		*pDst++ = *pSrc++;
+		*pDst++ = *pSrc++;
+		pSrc += 2; //only send every other sample to destination
+		}
+
+	TCodecProcessResult result;
+	result.iCodecProcessStatus = TCodecProcessResult::EProcessComplete;
+	result.iSrcBytesProcessed = numberOfSamplesToGenerate*4;
+	result.iDstBytesAdded = numberOfSamplesToGenerate*2;
+
+	dst->Data().SetLength(result.iDstBytesAdded);
+
+	return result;
+	};