multimediacommsengine/mmceshared/src/mcecomcncodec.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 18 Aug 2010 10:09:50 +0300
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permissions -rw-r--r--
Revision: 201031 Kit: 201033
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/*
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* Copyright (c) 2005 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:    
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*
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*/
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#include "mcecncodec.h"
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#include "mcecomcncodec.h"
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#ifdef MCE_COMMON_SERVER_SIDE
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#include "mcecomaudiostream.h"
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#endif//MCE_COMMON_SERVER_SIDE
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CMceComCnCodec::NewL
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// -----------------------------------------------------------------------------
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//
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CMceComCnCodec* CMceComCnCodec::NewL( TBuf8<KMceMaxSdpNameLength> aSdpName )
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    {
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    CMceComCnCodec* self = NewLC( aSdpName );
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    CleanupStack::Pop( self );
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CMceComCnCodec::NewLC
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// -----------------------------------------------------------------------------
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//
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CMceComCnCodec* CMceComCnCodec::NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName )
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    {
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    CMceComCnCodec* self = new (ELeave) CMceComCnCodec();
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    CleanupStack::PushL( self );
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    self->ConstructL( aSdpName );
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CMceComCnCodec::~CMceComCnCodec
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// -----------------------------------------------------------------------------
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//
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CMceComCnCodec::~CMceComCnCodec()
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    {
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    }
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// -----------------------------------------------------------------------------
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// CMceComCnCodec::CMceComCnCodec
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// -----------------------------------------------------------------------------
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//
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CMceComCnCodec::CMceComCnCodec()
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 : CMceComAudioCodec()
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    {
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    iState = CMceCodec::EDisabled; // NOTE: Cn is in disabled state by default
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    iFourCC = 0;
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    iEnableVAD = EFalse;
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    iSamplingFreq  = KMceCnSamplingFreq;
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    iPTime = KMceCnDefaultPtime;
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    iMaxPTime = KMceCnDefaultMaxPtime;
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    iPayloadType = KMceDefaultCnPayloadType;
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    // valid default codec mode is needed for MCC codec interaction
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    const TUint KCnCodecMode = 1;
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    iCodecMode = KCnCodecMode;
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    }
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// -----------------------------------------------------------------------------
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// CMceComCnCodec::SendSupported
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// -----------------------------------------------------------------------------
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//
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TBool CMceComCnCodec::SendSupported()
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    {
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    return EFalse;
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    }
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// -----------------------------------------------------------------------------
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// CMceComCnCodec::ConstructL
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// -----------------------------------------------------------------------------
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//
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CMceComAudioCodec* CMceComCnCodec::CloneL()
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    {
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    CMceComCnCodec* copy = new (ELeave) CMceComCnCodec();
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    CleanupStack::PushL( copy );
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    copy->ConstructL( *this );
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    CleanupStack::Pop( copy );
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    return copy;
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    }
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// -----------------------------------------------------------------------------
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// CMceComCnCodec::ConstructL
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// -----------------------------------------------------------------------------
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//
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void CMceComCnCodec::ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName )
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    {
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    CMceComAudioCodec::ConstructL( aSdpName );
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    }
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// -----------------------------------------------------------------------------
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// CMceComCnCodec::ConstructL
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// -----------------------------------------------------------------------------
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//
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void CMceComCnCodec::ConstructL( CMceComCnCodec& aCodec )
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    {
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    CMceComAudioCodec::ConstructL( aCodec );
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    }
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#ifdef MCE_COMMON_SERVER_SIDE
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// -----------------------------------------------------------------------------
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// CMceComCnCodec::DoDecodeAudioL
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// -----------------------------------------------------------------------------
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//
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void CMceComCnCodec::DoDecodeAudioL( 
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    TInt aCodecIndex,
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    RPointerArray<CMceSrvStream>& /*aStreams*/,
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    CMceComAudioStream& aAudio,
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    CMceMediaManager& /*aManager*/ )
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    {
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    // Special handling for comfort noise codecs, cn settings affect
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    // to other codecs.
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    //
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    const TInt codecCount = aAudio.CodecCount();
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    for ( TInt i = 0 ; i < codecCount ; ++i )
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        {
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        aAudio.CodecL( i )->iComfortNoiseEnabled = ETrue;
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        // As cn cannot be used for streaming, select some other codec
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        // for sending. 
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        UpdateSendCodec( aCodecIndex, aAudio, *aAudio.CodecL( i ) );
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        }
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    }
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#endif
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// End of File
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