--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/refacladapt/src/audiocodec/resourcedata.cpp	Fri Oct 08 19:40:43 2010 +0100
@@ -0,0 +1,269 @@
+//audiocodec.cpp
+
+// Copyright (c) 2006-2009 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:
+//
+
+
+
+
+// INCLUDES
+#include "resourcedata.h"
+#include <barsc.h>
+#include <a3f/a3f_trace_utils.h>
+
+_LIT(KDC_RESOURCE_FILES_DIR, "\\resource\\a3f\\");
+const TInt KAssumedResourceId =1;
+
+const TSampleRateTableEntry KRateTableLookup[] = {
+							{ 8000, EMMFSampleRate8000Hz },
+							{ 11025, EMMFSampleRate11025Hz },
+							{ 12000, EMMFSampleRate12000Hz },
+							{ 16000, EMMFSampleRate16000Hz },
+							{ 22050, EMMFSampleRate22050Hz },
+							{ 24000, EMMFSampleRate24000Hz },
+							{ 32000, EMMFSampleRate32000Hz },
+							{ 44100, EMMFSampleRate44100Hz },
+							{ 48000, EMMFSampleRate48000Hz },
+							{ 64000, EMMFSampleRate64000Hz },
+							{ 88200, EMMFSampleRate88200Hz },
+							{ 96000, EMMFSampleRate96000Hz },
+						};
+
+const TAudioModeTableEntry KModeTableLookup[] = {
+							{ EMMFMono, {KA3FModeMonoValue} },
+							{ EMMFStereo, {KA3FModeStereoNonInterleavedValue} },
+							};
+
+const TInt KMaxSampleRateIndex = 11;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+CResourceData::CResourceData()
+	{
+	TRACE_CREATE();
+	}
+
+// -----------------------------------------------------------------------------
+// CResourceData::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CResourceData* CResourceData::NewL(TUid aResourceUid)
+	{
+	DP_STATIC_CONTEXT( CResourceData::NewL *CD0*, CtxDevSound, DPAPI);
+	DP1_IN("aResourceUid = 0x%x", aResourceUid);
+
+	CResourceData* obj = NULL;
+	obj = new ( ELeave ) CResourceData;
+	CleanupStack::PushL( obj );
+	obj->ConstructL( aResourceUid );
+	CleanupStack::Pop(obj);
+
+	DP0_RET(obj, "obj = 0x%x" );
+	}
+
+// -----------------------------------------------------------------------------
+// CResourceData::~CResourceData
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CResourceData::~CResourceData()
+	{
+	DP_CONTEXT(CResourceData::~CResourceData *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	delete iResourceData;
+	DP_OUT();
+	}
+
+
+// -----------------------------------------------------------------------------
+// CResourceData::GetSModes
+// Reads the capabilities data.
+// -----------------------------------------------------------------------------
+//
+TInt CResourceData::GetSModes(TMode aMode, RArray<TUid>& aModeConfig)
+	{
+	DP_CONTEXT( CResourceData::GetSampleModes *CD1*, CtxDevSound, DPLOCAL );
+	DP1_IN( "TMode aMode = 0x%x", aMode );
+	TInt ret = SeekToMode(aMode);
+	if (ret != KErrNone)
+		{
+		DP0_RET(ret, "%d");
+		}
+
+	// capability data size
+	TInt capDataSize = iResourceReader.ReadInt16();
+
+	// sanity check for cap data size
+	if (iResourceReader.Ptr() > iResourceDataEnd-capDataSize)
+		{
+		DP0( DLERR, "Pointer mismatch with cap data" );
+		DP0_RET(KErrCorrupt, "KErrCorrupt" );
+		}
+
+	//Getting new Capabilities so clean the array.
+	aModeConfig.Reset();
+
+	TInt tempSampleRate = iResourceReader.ReadInt32();
+	TInt tempEnconding = iResourceReader.ReadInt32();
+	TInt tempMode = iResourceReader.ReadInt32();
+
+	TInt err(KErrNone);
+
+	for (TUint i=0; i<=KMaxModeIndex; i++)
+		{
+		if((KModeTableLookup[i].iAudioModeValue) & tempMode)
+			{
+			err = aModeConfig.Append(KModeTableLookup[i].iAudioMode);
+			if (err != KErrNone)
+				{
+				break;
+				}
+			}
+		}
+
+	DP0_RET(err, "");
+	}
+
+
+// -----------------------------------------------------------------------------
+// CResourceData::GetSSampleRates
+// Reads the capabilities data.
+// -----------------------------------------------------------------------------
+//
+TInt CResourceData::GetSSampleRates(TMode aMode, RArray<TInt>& aSampleRateConfig)
+	{
+	DP_CONTEXT( CResourceData::GetSSampleRates *CD1*, CtxDevSound, DPLOCAL );
+	DP1_IN( "TMode aMode = 0x%x", aMode );
+	//TODO to be change every hwdevice is either decode or encode
+	//By the moment The same resource file has both modes
+	TInt ret = SeekToMode(aMode);
+	if (ret != KErrNone)
+		{
+		DP0_RET(ret, "%d");
+		}
+
+	// capability data size
+	TInt capDataSize = iResourceReader.ReadInt16();
+
+	// sanity check for cap data size
+	if (iResourceReader.Ptr() > iResourceDataEnd-capDataSize)
+		{
+		DP0( DLERR, "Pointer mismatch with cap data" );
+		DP0_RET(KErrCorrupt, "KErrCorrupt" );
+		}
+
+	//Getting new Capabilities so clean the array.
+	aSampleRateConfig.Reset();
+
+	TInt tempSampleRate = iResourceReader.ReadInt32();
+	TInt err(KErrNone);
+
+	for (TUint i=0; i<=KMaxSampleRateIndex; i++)
+		{
+		if(KRateTableLookup[i].iSampleRate & tempSampleRate)
+			{
+			err = aSampleRateConfig.Append(KRateTableLookup[i].iSampleRateValue);
+			if (err != KErrNone)
+				{
+				break;
+				}
+			}
+		}
+
+	DP0_RET(err, "");
+	}
+
+// -----------------------------------------------------------------------------
+// CResourceData::ConstructL
+// Symbian 2nd phase constructor can leave.
+// Reads the resource file for the correct UID.
+// -----------------------------------------------------------------------------
+//
+void CResourceData::ConstructL(TUid aResourceUid)
+	{
+	DP_CONTEXT( CResourceData::ConstructL *CD1*, CtxDevSound, DPLOCAL );
+	DP1_IN( "aResourceUid = 0x%x", aResourceUid );
+	// Open a file server session.
+	RFs fs;
+	User::LeaveIfError( fs.Connect() );
+	CleanupClosePushL( fs );
+
+	TBuf16<KResFileNameLength> fileName;
+	TBuf16<KResFileNameAndPathLength> pathAndFileName (KDrive); // Z:
+	fileName.Format(KFileNameFormat,aResourceUid.iUid); // HwDev0x<UID>
+	pathAndFileName.Append(KDC_RESOURCE_FILES_DIR); /*  \\resource\\ */
+	pathAndFileName.Append(fileName); // HwDevxxx.rsc
+	pathAndFileName.ZeroTerminate();
+	HBufC16* fileNamePtr = pathAndFileName.AllocL();
+	CleanupStack::PushL( fileNamePtr );
+	RResourceFile rscFile;
+	rscFile.OpenL(fs, fileNamePtr->Des());
+	CleanupClosePushL(rscFile);
+	// read the resource data
+	iResourceData = rscFile.AllocReadL(KAssumedResourceId);
+	// initialize the reader
+	iResourceReader.SetBuffer( iResourceData );
+	iResourceUid =  aResourceUid;
+	CleanupStack::PopAndDestroy( 3, &fs ); // fs, fileNamePtr,rscFile
+	DP_OUT();
+	}
+
+// -----------------------------------------------------------------------------
+// CResourceData::SeekToMode
+// Utility method for seeking resource to the correct mode. Leaves with
+// KErrNotFound if mode is not found in the opened resource.
+// -----------------------------------------------------------------------------
+//
+TInt CResourceData::SeekToMode(TMode aMode)
+	{
+	DP_CONTEXT( CResourceData::SeekToMode *CD1*, CtxDevSound, DPLOCAL );
+	DP1_IN( "aMode = 0x%x", aMode );
+	// set buffer position to beginning
+	iResourceReader.SetBuffer(iResourceData);
+	// read the resource uid
+	TUid resourceUid = {iResourceReader.ReadInt32()};
+	if (resourceUid != iResourceUid)
+		{
+		DP2( DLERR, "Mismatching resource uids resourceUid = %x iResourceUid = %x",resourceUid.iUid,iResourceUid.iUid );
+		DP0_RET(KErrCorrupt, "KErrCorrupt" );
+		}
+	// read the number of mode-entries in the resource
+	TInt modeCount = iResourceReader.ReadInt16();
+	for (TInt modeIndex = 0; modeIndex < modeCount; modeIndex++)
+		{
+		// read the mode number
+		TMode mode = (TMode) iResourceReader.ReadInt32();
+		if (mode == aMode)
+			{
+			DP0_RET(KErrNone, "" );
+			}
+		// capability data size
+		TInt capDataSize = iResourceReader.ReadInt16();
+
+		// skip capability data
+		if (iResourceReader.Ptr() > iResourceDataEnd-capDataSize)
+			{
+			DP0( DLERR, "Pointer mismatch with cap data" );
+			DP0_RET(KErrCorrupt, "KErrCorrupt" );
+			}
+		iResourceReader.Advance( capDataSize );
+		}
+	// not found
+	DP1( DLERR, "Mode 0x%x not found?", aMode );
+	DP0_RET(KErrNotFound, "KErrNotFound" );
+	}
+
+