mmmw_plat/voip_audio_services_api/inc/voipformatintfc.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:19:48 +0200
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permissions -rw-r--r--
Revision: 201003 Kit: 201007
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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:  Defines APIs common to all supported codecs.
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 *
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 */
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#ifndef __VOIPFORMATINTFC_H
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#define __VOIPFORMATINTFC_H
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#include <voipaudiocommon.h>
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// FORWARD DECLARATIONS
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class CVoIPFormatIntfc;
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class CVoIPFormatIntfcImpl;
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/**
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 *  MVoIPFormatObserver class
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 *
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 *  ?more_complete_description
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 *
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 *  @lib VoIPAudioIntfc.dll
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 *
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 */
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class MVoIPFormatObserver
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    {
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public:
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    static const TUint KSilenceBegin = 1;
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    static const TUint KSilenceUpdate = 2;
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    static const TUint KSilenceEnd = 3;
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    static const TUint KObserverEventMax = 4;
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public:
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param const CVoIPFormatIntfc&
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     * @param TInt - event type
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     * @return void
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     */
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    virtual void Event(const CVoIPFormatIntfc& aSrc, TInt aEventType) = 0;
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    };
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/**
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 *  CVoIPFormatIntfc class
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 *
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 *  Base class for codec format configuration
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 *
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 *  @lib VoIPAudioIntfc.dll
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 *
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 */
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class CVoIPFormatIntfc
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    {
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public:
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    /**
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     *  TG711CodecMode
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     *  ?description
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 *
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     */
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    enum TG711CodecMode
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        {
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        EG711ALaw,
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        EG711uLaw
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        };
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    /**
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     *  TILBCCodecMode
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     *  ?description
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 *
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     */
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    enum TILBCCodecMode
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        {
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        EiLBC20mSecFrame,
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        EiLBC30mSecFrame
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        };
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public:
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    /**
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     * Destructor
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     *
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     * @since S60 v5.0
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     * @param none
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     * @return none
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     */
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    IMPORT_C virtual ~CVoIPFormatIntfc();
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param MVoIPFormatObserver&
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     * @return TInt
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     */
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    IMPORT_C TInt SetObserver(MVoIPFormatObserver& aObserver);
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param RArray<TUint>&
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     * @return TInt
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     */
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    IMPORT_C TInt GetSupportedBitRates(RArray<TUint>& aArray);
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param TUint
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     * @return TInt
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     */
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    IMPORT_C TInt SetBitRate(TUint aBitrate);
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param TUint&
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     * @return TInt
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     */
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    IMPORT_C TInt GetBitRate(TUint& aBitrate);
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param TBool
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     * @return TInt
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     */
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    IMPORT_C TInt SetVAD(TBool aVad);
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param TBool&
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     * @return TInt
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     */
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    IMPORT_C TInt GetVAD(TBool& aVad);
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param TBool&
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     * @return TInt
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     */
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    IMPORT_C TInt FrameModeRequiredForErrorConcealment(TBool& aMode);
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param TBool
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     * @return TInt
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     */
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    IMPORT_C TInt SetFrameMode(TBool aMode);
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param TBool&
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     * @return TInt
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     */
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    IMPORT_C TInt GetFrameMode(TBool& aMode);
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    /**
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     * ?description
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     *
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     * @since S60 v5.0
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     * @param none
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     * @return TInt
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     */
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    IMPORT_C TInt ConcealErrorForNextBuffer();
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protected:
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    /**
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     * Constructor
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     *
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     * @since S60 v5.0
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     * @param none
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     * @return none
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     */
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    CVoIPFormatIntfc();
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    /**
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     * 2-nd phase constructor
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     *
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     * @since S60 v5.0
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     * @param CVoIPFormatIntfcImpl*
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     * @return void
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     */
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    void ConstructL(CVoIPFormatIntfcImpl* aVoIPFormatIntfcImpl);
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protected:
3
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0
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    CVoIPFormatIntfcImpl* iVoIPFormatIntfcImpl;
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    };
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#endif //__VOIPFORMATINTFC_H
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// End of file