mmserv/tms/tmscallserver/inc/tmscsuplink.h
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/*
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 * Copyright (c) 2009 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: Telephony Multimedia Service
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 *
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 */
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#ifndef TMSCSUPLINK_H
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#define TMSCSUPLINK_H
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#include <glib.h>
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#include "tmscsdevsound.h"
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namespace TMS {
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/**
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 *  Provides Uplink stream functionality.
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 *
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 */
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NONSHARABLE_CLASS(TMSCSUplink) : public TMSCSDevSound
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    {
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public:
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    static TMSCSUplink* NewL(TMSCSDevSoundObserver& observer,
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            const gint retrytime);
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    virtual ~TMSCSUplink();
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    /**
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     * Determines mic mute state.
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     *
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     * @return ETrue - mic is muted, EFalse - mic is not muted.
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     */
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    gboolean IsMuted();
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    /**
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     * Set mic gain.
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     */
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    void SetGain(gint gain);
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    /**
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     * Get mic muted.
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     */
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    gint Gain();
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    /**
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     * Get max gain.
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     */
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    gint MaxGain();
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    // from base class MDevSoundObserver
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    /**
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     * From MDevSoundObserver.
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     * Indication from the devsound that Uplink has been activated
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     * successfully.
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     */
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    void BufferToBeEmptied(CMMFBuffer* aBuffer);
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    /**
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     * From MDevSoundObserver
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     * Indication from devsound that Uplink activation has failed.
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     */
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    void RecordError(TInt aError);
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private:
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    /**
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     * From TMSCSDevSound.
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     * Tries to activate the mic stream.
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     */
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    void DoActivateL();
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protected:
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    TMSCSUplink(TMSCSDevSoundObserver& aObserver);
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    void ConstructL(const gint retrytime);
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    };
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} //namespace TMS
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#endif // TMSCSUPLINK_H