/*
* 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
*
*/
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
*
*/
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
*
*/
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