diff -r 000000000000 -r bde4ae8d615e os/mm/mm_pub/audio_effects_api/inc/AudioEqualizerData.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/mm_pub/audio_effects_api/inc/AudioEqualizerData.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,117 @@
+/*
+* Copyright (c) 2004 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:  This file contains definitions of audio effects data structures for
+*                equalizer.
+*
+*/
+
+
+
+#ifndef EQUALIZERDATA_H
+#define EQUALIZERDATA_H
+
+//  INCLUDES
+#include <e32std.h>
+#include <s32mem.h>
+#include <AudioEffectData.h>
+
+// CLASS DECLARATION
+
+/**
+*  This class defines the effect data structure of a particular frequency band.
+*
+*  @lib EqualizerEffect.lib
+*  @since 3.0
+*/
+class TEfAudioEqualizerBand
+    {
+    public:
+
+        /**
+        * Constructor.
+        */
+        TEfAudioEqualizerBand() {}
+
+        void ExternalizeL( RWriteStream& aStream ) const
+        	{
+			aStream.WriteUint8L(iBandId);
+			aStream.WriteUint32L(iBandLevel);
+			aStream.WriteUint32L(iBandWidth);
+			aStream.WriteUint32L(iCenterFrequency);
+			aStream.WriteUint32L(iCrossoverFrequency);
+			}
+
+        void InternalizeL( RReadStream& aStream )
+        	{
+			iBandId = aStream.ReadUint8L();
+			iBandLevel = aStream.ReadUint32L();
+			iBandWidth = aStream.ReadUint32L();
+			iCenterFrequency = aStream.ReadUint32L();
+			iCrossoverFrequency = aStream.ReadUint32L();
+			}
+
+		TUint8 iBandId;
+		TInt32 iBandLevel;
+		TInt32 iBandWidth;
+		TInt32 iCenterFrequency;
+		TInt32 iCrossoverFrequency;
+
+    };
+
+/**
+*  This class defines the effect data structure to be passed between client and
+*  server.
+*
+*  @lib EqualizerEffect.lib
+*  @since 3.0
+*/
+class TEfAudioEqualizer : public TEfCommon
+    {
+    public:
+
+        /**
+        * Constructor.
+        */
+        TEfAudioEqualizer() {}
+
+        /**
+        * Constructor.
+        */
+        TEfAudioEqualizer( TInt32 aMindB, TInt32 aMaxdB ) :
+        	iMindB(aMindB), iMaxdB(aMaxdB) {}
+
+		TInt32 iMindB;
+		TInt32 iMaxdB;
+
+    };
+
+
+class TEfAudioEqualizerCombined : public TEfAudioEqualizer, public TEfAudioEqualizerBand
+    {
+    public:
+
+		// Indicates the data is valid for Equalizer
+		TBool iAudioEqualizerDataValid;
+		// Indicates the data is valid for Equalizer Band
+		TBool iAudioEqualizerBandDataValid;
+    };
+
+
+typedef TPckgBuf<TEfAudioEqualizer> TEfAudioEqualizerDataPckg;
+typedef TPckgBuf<TEfAudioEqualizerBand> TEfAudioEqualizerBandDataPckg;
+typedef TPckgBuf<TEfAudioEqualizerCombined> TEfAudioEqualizerCombinedDataPckg;
+
+#endif      // EQUALIZERDATA_H
+
+// End of File