/*

 * Copyright (c) 2009 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: Telephony Multimedia Service

 *

 */

#include <e32math.h>

#include <mmcccodecinformation.h>

#include "tmsutility.h"

#include "tmsshared.h"

#include "tmsipcallstream.h"

using namespace TMS;

// -----------------------------------------------------------------------------

// TMSIPCallStreamBase::TMSIPCallStreamBase

// Constructor

// -----------------------------------------------------------------------------

//

TMSIPCallStreamBase::TMSIPCallStreamBase(TMSIPDevSoundObserver& observer) :

    iObserver(observer)

    {

    }

// -----------------------------------------------------------------------------

// TMSIPCallStreamBase::~TMSIPCallStreamBase

// Destructor

// -----------------------------------------------------------------------------

//

TMSIPCallStreamBase::~TMSIPCallStreamBase()

    {

    TRACE_PRN_FN_ENT;

    if (iChunk.Handle() > 0)

        {

        iChunk.Close();

        }

#ifndef __USE_GSTREAMER__

    delete iDevSound;

#endif //__USE_GSTREAMER__

    TRACE_PRN_FN_EXT;

    }

#ifndef __USE_GSTREAMER__

// -----------------------------------------------------------------------------

// TMSIPCallStreamBase::InitDevSoundL

//

// -----------------------------------------------------------------------------

//

void TMSIPCallStreamBase::InitDevSoundL(const TMMFState aDevSoundState,

        const TMMFPrioritySettings priority)

    {

    TRACE_PRN_FN_ENT;

    if (!iDevSound)

        {

        // Create D/S recording/playing device

        iDevSound = CMMFDevSound::NewL();

        }

    if (iDevSound)

        {

        iDevSound->InitializeL(*this, TFourCC(iCodecID), aDevSoundState);

        iDevSound->SetPrioritySettings(priority);

        }

    }

#endif //__USE_GSTREAMER__

// -----------------------------------------------------------------------------

// TMSIPCallStreamBase::SetMsgQueue

//

// -----------------------------------------------------------------------------

//

void TMSIPCallStreamBase::SetMsgQueue(const RMsgQueue<TmsMsgBuf> aMsgQueue)

    {

    iMsgQueue = aMsgQueue;

    }

// -----------------------------------------------------------------------------

// TMSIPCallStreamBase::ConfigureMedia

//

// -----------------------------------------------------------------------------

//

gint TMSIPCallStreamBase::ConfigureMedia(const guint32 aCodecID)

    {

    gint framelen = 0;

    switch (aCodecID)

        {

        case KMccFourCCIdG711:

            iMediaType = "audio/x-alaw";

            // iMediaType = "audio/x-mulaw";

            framelen = KTMSG711FrameLen10ms; //TODO: may be H/W specific!

            //framelen = KTMSG711FrameLen20ms;

            break;

        case KMccFourCCIdG729:

            iMediaType = "audio/g729";

            framelen = KTMSG729FrameLen;

            break;

        case KMccFourCCIdILBC:

            iMediaType = "audio/ilbc";

            framelen = KTMSILBCFrameLen20ms;

            //framelen = KTMSILBCFrameLen30ms;

            break;

        case KMccFourCCIdAMRNB:

            iMediaType = "audio/amr";

            framelen = KTMSAMRNBFrameLen;

            //framelen = KTMSAMRNBFrameLenFM;

            break;

        case KMMFFourCCCodePCM16:

        default:

            iMediaType = "audio/x-raw-int";

            framelen = KTMSPCM16FrameLen;

#ifdef __WINSCW__

            framelen *= 4; //16kB

#endif

            break;

        }

    //TODO: DEVLON TEST

    if (iCodecID != KMMFFourCCCodePCM16)

        {

        framelen *= 10;

        }

    //TODO: DEVLON TEST

    return framelen;

    }

// -----------------------------------------------------------------------------

// TMSIPCallStreamBase::DoChunk

// Checks, adjusts and creates global RChunk.

// -----------------------------------------------------------------------------

//

gint TMSIPCallStreamBase::DoChunk(const gint aDataLen, TmsMsgBuf& aMsgBuffer)

    {

    gint status(KErrNone);

    // If chunk already created, try to reuse it

    if (iChunk.Handle())

        {

        // committed size is smaller but chunk is large enough to hold data

        if ((iChunk.Size() < aDataLen) && (aDataLen <= iChunk.MaxSize()))

            {

            status = iChunk.Adjust(aDataLen);

            TRACE_PRN_N1(_L("IP_CALL: DoChunk->Chunk Adjusted [%d]"), aDataLen);

            }

        else if (aDataLen > iChunk.MaxSize())

            {

            iChunk.Close();

            TRACE_PRN_N(_L("IP_CALL: DoChunk->Chunk Closed"));

            }

        }

    RET_ERR_IF_ERR(status);

    // Request kernel to create global RChunk if needed

    aMsgBuffer.iBool = FALSE;

    if (!iChunk.Handle())

        {

        // TODO consider using some max instead

        status = iChunk.CreateGlobal(KNullDesC, aDataLen, aDataLen);

        // Mark to re-open chunk handle

        aMsgBuffer.iBool = TRUE;

        aMsgBuffer.iUint32 = Math::Random();

        TRACE_PRN_N2(_L("IP_CALL: DoChunk->Chunk Created [%d]key[%d]"),

                aDataLen, aMsgBuffer.iUint32);

        }

    TRACE_PRN_IF_ERR(status);

    return status;

    }

// End of file