diff -r 000000000000 -r 71ca22bcf22a mmmw_plat/voip_audio_services_api/inc/voipjitterbufferintfc.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmmw_plat/voip_audio_services_api/inc/voipjitterbufferintfc.h	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,184 @@
+/*
+* Copyright (c) 2008 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:  Defines APIs common to all supported codecs.
+*
+*/
+
+
+#ifndef __VOIPJITTERBUFFERINTFC_H
+#define __VOIPJITTERBUFFERINTFC_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <voipaudiocommon.h>
+
+
+// FORWARD DECLARATIONS
+class CVoIPJitterBufferIntfc;
+class CVoIPJitterBufferIntfcImpl;
+
+
+/**
+ *  TVoIPJBConfig
+ *  ?description
+ *  @since S60 v5.0
+ */
+class TVoIPJBConfig
+    {
+public:
+    // Jitter latency
+    TUint iJitterLatency;
+
+    // Frame time
+    TUint8 iSampleInterval;
+
+    //Jitter Buffer buffer queue size
+    TUint iJBBufferLength;
+
+    //Jitter Buffer threshold
+    TUint iJBThreshold;
+
+    //Jitter Buffer InactivityTimeOut
+    TUint iJBInactivityTimeOut;
+
+    //Jitter Buffer tone TimeOut
+    TUint iJBPlayToneTimeout;
+
+    //Jitter Buffer tone frequecy
+    TUint iJBPlayToneFrequency;
+
+    //Jitter Buffer tone duration
+    TUint iJBPlayToneDuration;
+    };
+
+
+/**
+ *  MVoIPJitterBufferObserver class
+ *
+ *  description
+ *
+ *  @lib VoIPAudioIntfc.dll
+ *  @since S60 v5.0
+ */
+class MVoIPJitterBufferObserver
+    {
+public:
+    static const TUint KJBReserved1 = 1; //TBD
+    static const TUint KJBReserved2 = 2; //TBD
+
+public:
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param const CVoIPJitterBufferIntfc&
+     * @param TInt - event type
+     * @return void
+     */
+    virtual void Event(const CVoIPJitterBufferIntfc& aSrc,
+                       TInt aEventType) = 0;
+    };
+
+
+/**
+ *  CVoIPFormatIntfc class
+ *
+ *  Base class for codec format configuration
+ *
+ *  @lib VoIPAudioIntfc.dll
+ *  @since S60 v5.0
+ */
+class CVoIPJitterBufferIntfc
+    {
+public:
+    /**
+     * Destructor
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return none
+     */
+    IMPORT_C virtual ~CVoIPJitterBufferIntfc();
+
+    /**
+     * ?description
+     *
+     * @since S60 v5.0
+     * @param MVoIPFormatObserver&
+     * @return TInt
+     */
+    IMPORT_C TInt SetObserver(MVoIPJitterBufferObserver& aObserver);
+
+
+    /**
+     * ConfigureJitterBuffer
+     * @since S60 v5.0
+     * @param TVoIPJBConfig&
+     * @return void
+     */
+    IMPORT_C TInt ConfigureJitterBuffer(const TVoIPJBConfig& aJbConfig);
+
+    /**
+     * ResetJitterbuffer
+     * @since S60 v5.0
+     * @param aPlayTone ETrue, if tone should be played
+     * @return void
+     */
+    IMPORT_C TInt ResetJitterBuffer(TBool aPlayTone = ETrue);
+
+    /**
+     * DelayDown
+     * @since S60 v5.0
+     * @param none
+     * @return void
+     */
+    IMPORT_C TInt DelayDown();
+
+    /**
+     * DelayUp
+     * @since S60 v5.0
+     * @param none
+     * @return void
+     */
+    IMPORT_C TInt DelayUp();
+
+protected:
+
+    /**
+     * Constructor
+     *
+     * @since S60 v5.0
+     * @param none
+     * @return none
+     */
+      CVoIPJitterBufferIntfc();
+
+    /**
+     * 2-nd phase constructor
+     *
+     * @since S60 v5.0
+     * @param CVoIPJitterBufferIntfcImpl*
+     * @return void
+     */
+    void ConstructL(CVoIPJitterBufferIntfcImpl* aVoIPJitterBufferIntfcImpl);
+
+protected:
+    CVoIPJitterBufferIntfcImpl* iVoIPJitterBufferIntfcImpl;
+
+    };
+
+#endif  //__VOIPJITTERBUFFERINTFC_H
+
+
+// End of File