/*

* Copyright (c) 2002-2007 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:  This class is used for recording Audio

*

*/

#include <jdebug.h>

#include <mmf/server/mmffile.h>

#include <mmf/server/mmfdes.h>

#include "cmmaaudiorecorder.h"

#include "cmmaoutputstream.h"

const TInt KDefaultSize = KMaxTInt32;   // Default record size limit

CMMAAudioRecorder* CMMAAudioRecorder::NewLC(

    CMMAMMFResolver* aResolver,

    CMMAAudioSettings* aAudioSettings,

    TInt aMIDletSuiteID)

{

    // Not using ELeave to avoid leave before owneship change of settings

    CMMAAudioRecorder* self = new CMMAAudioRecorder(aResolver, aMIDletSuiteID);

    if (!self)

    {

        delete aAudioSettings;

        User::Leave(KErrNoMemory);

    }

    // Take the ownership of setting before any possible leaves

    self->iSettings = aAudioSettings;

    CleanupStack::PushL(self);

    self->iWait = new(ELeave) CActiveSchedulerWait();

    self->ConstructL();

    return self;

}

CMMAAudioRecorder::~CMMAAudioRecorder()

{

    iFile.Close();

    delete iSettings;

    delete iWait;

}

CMMAAudioRecorder::CMMAAudioRecorder(

    CMMAMMFResolver* aResolver,

    TInt /*aMIDletSuiteID*/):

        CMMAMMFPlayerBase(aResolver),

        iAudioRecordControllerCustomCommands(iController),

        iAudioControllerRecCustomCommands(iController),

        iRecordSizeLimit(KDefaultSize),

        iPauseError(KErrNone)

{

}

/**

 * start the play

 */

void CMMAAudioRecorder::StartL(TBool aPostEvent)

{

    if (aPostEvent)

    {

        TInt64 time;

        GetMediaTime(&time);

        PostLongEvent(CMMAPlayerEvent::EStarted, time);

    }

    ChangeState(EStarted);

    PostActionCompleted(KErrNone);   // java start return

}

void CMMAAudioRecorder::StopL(TBool aPostEvent)

{

    if (iState == EStarted)

    {

        ChangeState(EPrefetched);

    }

    if (aPostEvent)

    {

        TInt64 time;

        GetMediaTime(&time);

        PostLongEvent(CMMAPlayerEvent::EStopped, time);

    }

}

void CMMAAudioRecorder::DoOpenL()

{

    // Make sure any existing controller is closed.

    iEventMonitor->Cancel();

    iController.Close();

    // player priority settings

    TMMFPrioritySettings prioritySettings;

    prioritySettings.iPriority = EMdaPriorityMax;

    prioritySettings.iPref = EMdaPriorityPreferenceTimeAndQuality;

    prioritySettings.iState = EMMFStateRecording;

    // Try opening and configuring each controller in turn

    TInt error = KErrNotSupported;

    TInt index = 0;

    // Try controllers until found a good controller or out of list

    while ((error != KErrNone) &&

            (index < iControllerInfos->Count()))

    {

        // Open the controller

        error = iController.Open((*iControllerInfos)[ index ]->Uid(),

                                 prioritySettings);

        // If the controller was opened without error, start receiving events from it.

        if (!error)

        {

            iEventMonitor->Start();

            // Add the data source to the controller.

            error = iController.AddDataSource(KUidMmfAudioInput, KNullDesC8);

        }

        // Add the data sink

        if (!error)

        {

            TMMFFileHandleParams params(&iFile);

            TPckg<TMMFFileHandleParams> paramPckg = params;

            error = iController.AddDataSink(KUidMmfFileSink, paramPckg, iSinkInfo);

        }

        // If an error occurred in any of the above, close the controller.

        if (error)

        {

            iEventMonitor->Cancel();

            iController.Close();

        }

        index++;

    }

    User::LeaveIfError(error);

    HBufC8* contentType8 = HBufC8::NewLC(iContentType->Length());

    contentType8->Des().Copy(*iContentType);

    TInt cInfoCount = iControllerInfos->Count();

    for (TInt i = 0; i < cInfoCount; i++)

    {

        CMMFControllerImplementationInformation* contrInfo = (*iControllerInfos)[ i ];

        const RMMFFormatImplInfoArray& recordFormats = contrInfo->RecordFormats();

        for (TInt formatIndex = 0; formatIndex < recordFormats.Count(); formatIndex++)

        {

            CMMFFormatImplementationInformation* formatInfo = recordFormats[ formatIndex ];

            if (formatInfo->SupportsMimeType(*contentType8))

            {

                iSupplier.Set(formatInfo->Supplier());

                // Some of the controllers those support only one format can return KErrNotSupported

                // error when setting the format, but still they can record that only supported format

                // Ignoring this error

                TInt err = iAudioControllerRecCustomCommands.SetSinkFormat(formatInfo->Uid());

                if ((err != KErrNotSupported))

                {

                    User::LeaveIfError(err);

                }

                break;

            }

        }

    }

    CleanupStack::PopAndDestroy(contentType8);

    // Do not set codec if it is default

    if (iSettings->iDataType != TFourCC(KFourCCNULL))

    {

        User::LeaveIfError(

            iAudioControllerRecCustomCommands.SetCodec(KFourCCNULL, iSettings->iDataType));

    }

    // set the audio data settings ie sample rate & channels, if not defaults

    if (iSettings->iRate != KDefaultRate)

    {

        User::LeaveIfError(

            iAudioControllerRecCustomCommands.SetSinkSampleRate(iSettings->iRate));

    }

    if (iSettings->iChannels != KDefaultChannels)

    {

        User::LeaveIfError(

            iAudioControllerRecCustomCommands.SetSinkNumChannels(iSettings->iChannels));

    }

}

void CMMAAudioRecorder::PrefetchL()

{

    if (iResetController)

    {

        DoOpenL();

    }

    User::LeaveIfError(iController.Prime());

    ChangeState(EPrefetched);

    PostActionCompleted(KErrNone);

}

void CMMAAudioRecorder::InitializeL(RFile* aFile,

                                    MMMFControllerEventMonitorObserver* aObserver)

{

    iFile.Duplicate(*aFile);

    iObserver = aObserver;

    DoOpenL();

}

void CMMAAudioRecorder::Deinitialize()

{

    DEBUG("CMMAAudioRecorder::Deinitialize++");

    if (iEventMonitor)

    {

        iEventMonitor->Cancel();

    }

    iController.Close();

    iFile.Close();

    DEBUG("CMMAAudioRecorder::Deinitialize--");

}

const TDesC& CMMAAudioRecorder::Type()

{

    return KMMAAudioRecorder;

}

void CMMAAudioRecorder::StartRecordL()

{

    if (iResetController)

    {

        iResetController = EFalse;

        DEBUG("CMMAAudioRecorder::StartRecordL reopen controller");

        DoOpenL();

        DEBUG("CMMAAudioRecorder::StartRecordL reopen done");

    }

    User::LeaveIfError(

        iAudioRecordControllerCustomCommands.SetMaxFileSize(iRecordSizeLimit));

    DEBUG_INT("CMMAAudioRecorder::StartRecordL Max File size set %d", iRecordSizeLimit);

    User::LeaveIfError(iController.Prime());

    User::LeaveIfError(iController.Play());

}

void CMMAAudioRecorder::StopRecordL()

{

    // ! here is the workaround for pause

    // Pause() doesn't work with all formats.

    DEBUG("CMMAAudioRecorder::StopRecordL Stopping");

    TInt pauseError = iController.Pause();

    // if EOF is already reached return without

    // doing any operation because controller is

    // already in Stopped state

    if (pauseError == KErrNotSupported)

    {

        DEBUG("CMMAAudioRecorder::StopRecordL Stopped instead pause");

        User::LeaveIfError(iController.Stop());

    }

    else

    {

        User::LeaveIfError(pauseError);

// wait only in HW

#ifndef __WINS__

        DEBUG("CMMAAudioRecorder::StopRecordL Stopped waiting");

        // wait for playback complete event

        if (!iWait->IsStarted())

        {

            iWait->Start();

        }

        User::LeaveIfError(iError);

#endif

    }

    // prime controller and set position back to end (autorewind in controller)

    User::LeaveIfError(iController.Prime());

    TTimeIntervalMicroSeconds position(0);

    User::LeaveIfError(iController.GetDuration(position));

    User::LeaveIfError(iController.SetPosition(position));

}

void CMMAAudioRecorder::GetDuration(TInt64* aDuration)

{

    // Return -1 in realized state in order to pass END_OF_MEDIA

    // tests in TCK. MMFPlayerbase would return 0.

    if (iState == ERealized)

    {

        *aDuration = KTimeUnknown;

    }

    else

    {

        CMMAMMFPlayerBase::GetDuration(aDuration);

    }

}

void CMMAAudioRecorder::DeallocateL()

{

    // set control to be reopened since

    // deallocate closes it

    if (iState == EPrefetched)

    {

        iResetController = ETrue;

    }

    CMMAMMFPlayerBase::DeallocateL();

}

void CMMAAudioRecorder::ResetL()

{

    iResetController = ETrue;

}

const TInt KMMASymbianControllerLimit = 4096 + 44; // buffer size + header

_LIT(KSymbian, "Symbian");

TInt CMMAAudioRecorder::SetRecordSizeLimitL(TInt aSize)

{

    iRecordSizeLimit = aSize;

    // Wav and AU controller (supplied from symbian) is recording in 4kb buffers

    // this controller does not record at all if size is smaller than 4kb and

    // goes even in wierd state.

    DEBUG_STR("CMMAAudioRecorder::SetRecordSizeLimitL Supplier = %S", iSupplier);

    if ((iSupplier == KSymbian) &&

            (aSize < KMMASymbianControllerLimit))

    {

        iRecordSizeLimit = KMMASymbianControllerLimit;

    }

    // normal case is that recordsize is set just before starting

    if (iState == EStarted)

    {

        DEBUG_INT("CMMAAudioRecorder::SetRecordSizeLimitL Setting while playing limit: %d", iRecordSizeLimit);

        // trying to set max file size while recording

        User::LeaveIfError(

            iAudioRecordControllerCustomCommands.SetMaxFileSize(iRecordSizeLimit));

    }

    return iRecordSizeLimit;

}

void CMMAAudioRecorder::HandleEvent(const TMMFEvent& aEvent)

{

    DEBUG_INT("CMMAAudioRecorder::HandleEvent event error: %d", aEvent.iErrorCode);

    if (iWait->IsStarted())

    {

        iError = aEvent.iErrorCode;

        iWait->AsyncStop();

        return;

    }

    TMMFEvent event = aEvent;

    if ((event.iEventType == KMMFEventCategoryPlaybackComplete) &&

            ((event.iErrorCode == KErrNone) ||

             (event.iErrorCode == KErrEof)))

    {

        // Prime controller after playback complete, in order to get position/duration

        event.iErrorCode = iController.Prime();

    }

    if (iObserver)

    {

        iObserver->HandleEvent(event);

    }

}

//  END OF FILE