--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipappsrv_plat/multimedia_comms_api/inc/mcecncodec.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,167 @@
+/*
+* Copyright (c) 2005 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:    
+*
+*/
+
+
+
+
+#ifndef MCECNCODEC_H
+#define MCECNCODEC_H
+
+// INCLUDES
+#include <mceaudiocodec.h>
+#include <mcedefs.h>
+
+// CONSTANTS
+
+// CN Default Payload Types
+const TUint8 KMceDefaultCnPayloadType = 13; 
+const TUint8 KMceDefaultCnPayloadType2 = 19; 
+
+// Default Sampling Rate   
+const TUint KMceCnSamplingFreq = 8000;
+
+// PTime and MaxPTime
+const TUint KMceCnDefaultPtime =  20; 
+const TUint KMceCnDefaultMaxPtime = 200;
+
+
+// CLASS DECLARATION
+
+/**
+* Class for the Comfort Noise codec information.
+*
+* It checks the validity of inserted values for CN.
+* 
+*  @l
+ mceclient.lib
+*/
+class CMceCnCodec : public CMceAudioCodec
+    {
+	public:  // Constructors and destructor
+	    
+	    /**
+	    * Destructor.
+	    */
+	    IMPORT_C ~CMceCnCodec();
+	        
+	public: // From base class
+
+	    /**
+	    * Enable / Disable Voice Activity Detection.
+	    * @param aEnableVAD, Boolean indicating whether to enable Voice Activity Detection
+	    * @return KErrNotSupported if codec doesn't support VAD; otherwise KErrNone.
+	    */
+	    IMPORT_C TInt EnableVAD(TBool aEnableVAD);
+        
+        /**
+	    * Sets bitrate used with codec for encoding.
+	    * @param aBitrate, bitrate value for encoding
+	    * @return KErrNotSupported if codec doesn't support bitrate value issued; otherwise KErrNone.
+	    */
+	    IMPORT_C TInt SetBitrate(TUint aBitrate);
+	    
+	    /**
+	    * Sets bitrates allowed with codec.
+	    * @param aBitrates, allowed bitrate values 
+	    * @return KErrNotSupported if codec doesn't support bitrate value issued; otherwise KErrNone.
+	    */
+	    IMPORT_C TInt SetAllowedBitrates(TUint aBitrates);
+	        
+	    /**
+	    * Sets the sampling frequency.
+	    * @param aSamplingFreq, Sampling frequency to be used
+	    * @return KErrNotSupported if codec doesn't support sampling frequency issued; otherwise KErrNone.
+	    */
+	    IMPORT_C TInt SetSamplingFreq(TUint aSamplingFreq);
+
+	    /**
+	    * Sets the packetization rate. 
+	    * @param aPTime, Packetization rate, must be multiple of audio frame size.
+	    * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone.
+	    */
+	    IMPORT_C TInt SetPTime(TUint aPTime);
+	    
+	    /**
+	    * Sets the maximum packetization rate.
+	    * @param aMaxPTime, maximum allowed packetization rate, must be multiple of audio frame size.
+	    * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone.
+	    */
+	    IMPORT_C TInt SetMaxPTime(TUint aMaxPTime);
+	    
+	    /**
+	    * Sets the payload type identifier.
+	    * @param aPayloadType payload type identifier.
+	    * @return One of the standard system-wide error codes.
+	    */
+	    IMPORT_C TInt SetPayloadType(TUint8 aPayloadType);
+
+	    /**
+	    * Sets the codec mode.
+	    * @param aCodecMode	Codec mode
+	    * @return KErrNotSupported if codec doesnt' support codec mode value issued; otherwise KErrNone.
+	    */
+	    IMPORT_C TInt SetCodecMode(TUint aCodecMode);
+	    
+	    /**
+	    * Clones codec, ownership is transferred.
+	    * @return cloned codec
+	    */
+	    IMPORT_C CMceAudioCodec* CloneL() const;
+
+	public: 
+
+	    /**
+	    * Two-phased constructor.
+	    * @param aSdpName sdp name
+	    */
+	    static CMceCnCodec* NewL( TBuf8<KMceMaxSdpNameLength> aSdpName);
+
+	    /**
+	    * Two-phased constructor.
+	    * @param aSdpName sdp name
+	    */
+	    static CMceCnCodec* NewLC(TBuf8<KMceMaxSdpNameLength> aSdpName);
+
+	    	    
+	private:
+
+	    /**
+	    * C++ default constructor.
+	    */
+	    CMceCnCodec();
+
+	    /**
+	    * By default Symbian 2nd phase constructor is private.
+	    */
+	    void ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName);
+
+	    /**
+	    * Sets the sdp name.
+	    * @param aSdpName the sdp name
+	    */
+	    void SetSdpNameL( const TDesC8& aSdpName );
+
+		//for testing
+
+	    MCE_UNIT_TEST_DEFS	    
+    };
+
+
+#endif      
+
+// End of File
+