mmserv/voipaudioservices/inc/JitterBufferObserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 11 May 2010 16:42:02 +0300
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/*
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 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description:  Observer for Jitter buffer.
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 *
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 */
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#ifndef JITTERBUFFER_OBS_H
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#define JITTERBUFFER_OBS_H
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class MJitterBufferObserver
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    {
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public:
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    enum TJBEvent
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        {
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        EGeneralError,
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        EBufferUnderflow,
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        EBufferOverflow,
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        EBufferConsumed,
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        EBufferReadyToPlay,
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        EConcealErrorForNextBuffer
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        };
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    /**
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     * Callback function to receive jitter buffer error events.
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     */
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    virtual void EventJB(TInt aEventType, TInt aError = KErrNone) = 0;
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    /**
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     * Callback function for codec reconfiguration for dynamic
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     * buffer size adjustment.
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     * @since S60 v5.0
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     * @param aBufferSize Buffer size request in samples.
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     *
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     virtual void DynamicBufferChangeRequest(TInt aBufferSize) = 0;
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     */
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    };
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#endif  // JITTERBUFFER_OBS_H
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// End of file