--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/advancedaudiocontroller/audiocontrollerpluginsvariant/AdvancedAudioControllerUtility/Inc/EAACPlusAudioControllerUtility.h	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,153 @@
+/*
+* Copyright (c) 2006 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:  Class definition for the AAC utility functions.
+*
+*/
+
+
+#ifndef CEAACPLUSAUDIOCONTROLLERUTILITY_H
+#define CEAACPLUSAUDIOCONTROLLERUTILITY_H
+
+//  INCLUDES
+#include "AdvancedAudioUtility.h"
+//#include "MmfEnhAacPlusUtil.h"
+#include <EAacPlusUtil.h>
+
+// FORWARD DECLARATIONS
+class CMMFDataBuffer;
+//class CMmfEAacPlusUtil;
+class CEAacPlusUtil;
+
+// CLASS DEFINITIONS
+
+/**
+*  This class provides AAC utility functions.
+*
+*  @lib EAACPlusAudioControllerUtility.lib
+*  @since 3.0
+*/
+class CEAACPlusAudioControllerUtility : public CAdvancedAudioUtility
+    {
+	public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        IMPORT_C static CEAACPlusAudioControllerUtility* NewL();
+
+        /**
+        * Destructor.
+        */
+        IMPORT_C virtual ~CEAACPlusAudioControllerUtility();
+
+    public: // New functions
+
+		/**
+		* Returns true if header should be included in the first buffer
+		* sent to the codec.
+		* @param none
+		* @return ETrue if header should be prepended, EFalse otherwise
+		*/
+		IMPORT_C TBool PrependHeader();
+
+    public: // Functions from base classes
+
+        /**
+        * From CAdvancedAudioUtility
+		* @param aDataBuf
+		* @return void
+		*/
+		void ScanHeaderL(CMMFDataBuffer* aDataBuf);
+		
+		/**
+        * From CAdvancedAudioUtility
+		* @param none
+		* @return TInt Last scanned frame position
+		*/
+        TInt LastScannedFramePosition();
+
+		/**
+        * From CAdvancedAudioUtility
+		* @param aBuf
+		* @param aBufLen
+		* @return TInt Seek offset
+		*/
+        TInt SeekSync(CMMFDataBuffer* aBuf, TInt aBufLen);
+
+		/**
+        * From CAdvancedAudioUtility
+		* Sets the codec config sample rate.
+		* @param aCodecConfig codec's configuration data
+		* @return void
+		*/
+		void SetCodecConfigData(RArray<TInt>& aCodecConfig);
+
+	private:
+
+        /**
+        * C++ default constructor.
+        */
+		CEAACPlusAudioControllerUtility();
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+		void ConstructL();
+
+        /**
+        * Gets the bitrate information
+        * @since 3.0
+		* @param aBuffer buffer containing the header data
+		* @return TInt bitrate
+        */
+        TInt GetBitrate(CMMFDataBuffer* aBuffer);
+
+        /**
+        * Test if the pointer points to a valid AAC frame
+        * @since 2.1
+        * @param aPtr Pointer to the presumed frame
+        * @return Length of the buffer
+        */
+        TBool IsValidAacFrame(const TUint8* aPtr, TInt aBufLen);
+
+	private:	// Data
+
+		// Format type - ADIF, ADTS, Raw
+		CEAacPlusUtil::TEAacPlusFormatType iFormatType;
+
+		// Pointer to AAC utility
+//		CMmfEAacPlusUtil* iEAacPlusUtils;
+		CEAacPlusUtil* iAacUtil;
+
+		// Pointer to a data buffer
+		CMMFDataBuffer* iDataBuffer;
+		// AAC profile
+		TInt iProfile;
+		TInt iOutFrameSize; //AAC Frame Length
+		TInt iOutSamplingFrequency;
+		TInt iSamplingFrequency;
+		TInt iExtObjectType;
+		TInt iDownSampledMode;
+
+		// Used for adding frame length
+        TInt iSumFrameLength;
+        // Number of frames scanned
+        TInt iNumFramesScanned;
+        // Number of frames to scan
+        TInt iNumFramesToScan;
+    };
+
+#endif 		// CEAACPLUSAUDIOCONTROLLERUTILITY_H
+
+// End of File