/*

* 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 playing video.

*

*/

//  INCLUDE FILES

#include <mmf/server/mmfurl.h>

#include <es_enum.h>

#include <logger.h>

#include "cmmavideourlplayer.h"

#include "mmmadisplay.h"

#include "cmmasourcestream.h"

const TUid KUrlSourceUid = { KMmfUidUrlSource };

_LIT(KMMALiveStreamMetaDataKeyword, "LiveStream");

_LIT(KMMALiveStreamMetaDataValue, "1");

CMMAVideoUrlPlayer* CMMAVideoUrlPlayer::NewLC(

    CMMAMMFResolver* aResolver,

    const TDesC& aUrl)

{

    CMMAVideoUrlPlayer* self = new(ELeave) CMMAVideoUrlPlayer(

        aResolver);

    CleanupStack::PushL(self);

    self->ConstructL(aUrl);

    return self;

}

EXPORT_C CMMAVideoUrlPlayer::~CMMAVideoUrlPlayer()

{

    iConnection.Close();

    iSocketServ.Close();

    delete iUrl;

    delete iPlayerDelegate;

}

EXPORT_C void CMMAVideoUrlPlayer::ConstructL(const TDesC& aUrl)

{

    CMMAVideoPlayer::ConstructL();

    iUrl = aUrl.AllocL();

    User::LeaveIfError(iSocketServ.Connect());

    User::LeaveIfError(iConnection.Open(iSocketServ));

}

EXPORT_C CMMAVideoUrlPlayer::CMMAVideoUrlPlayer(

    CMMAMMFResolver* aResolver):

        CMMAVideoPlayer(aResolver)

{

}

EXPORT_C void CMMAVideoUrlPlayer::DeallocateL()

{

    __ASSERT_DEBUG(iPlayerDelegate != NULL, User::Invariant());

    delete iPlayerDelegate;

    iPlayerDelegate = NULL;

    CMMAMMFPlayerBase::DeallocateL();

}

EXPORT_C void CMMAVideoUrlPlayer::CloseL()

{

    // Do not call the CMMAVideoPlayer CloseL because it deletes

    // file source stream.

    CMMAAudioPlayer::CloseL();

}

EXPORT_C void CMMAVideoUrlPlayer::StartL()

{

    __ASSERT_DEBUG(iPlayerDelegate != NULL, User::Invariant());

    iPlayerDelegate->StartL();

}

EXPORT_C void CMMAVideoUrlPlayer::StopL(TBool aPostEvent)

{

    __ASSERT_DEBUG(iPlayerDelegate != NULL, User::Invariant());

    iPlayerDelegate->StopL(aPostEvent);

}

EXPORT_C void CMMAVideoUrlPlayer::GetMediaTime(TInt64* aMediaTime)

{

    if (iPlayerDelegate)

    {

        iPlayerDelegate->GetMediaTime(aMediaTime);

    }

    else

    {

        *aMediaTime = KErrNotFound;

    }

}

EXPORT_C void CMMAVideoUrlPlayer::RealizeL()

{

    CMMAPlayer::RealizeL(); // Changes state to ERealized

}

EXPORT_C void CMMAVideoUrlPlayer::PrefetchL()

{

    const TUint KConnectionTreshold(1);

    TUint connectIap((TUint)KUseDefaultIap);

    TUint connectionCount(0);

    User::LeaveIfError(iConnection.EnumerateConnections(connectionCount));

    if (connectionCount == KConnectionTreshold)

    {

        // One active connection - find it and try using it

        FindActiveIap(connectionCount, connectIap);

    }

    // else No active connections try using the default one

    CMMFUrlParams* urlCfg = CMMFUrlParams::NewLC(*iUrl, (TInt)connectIap);

    CBufFlat* urlCfgBuffer = urlCfg->ExternalizeToCBufFlatLC();

    // Store current thread priority to give

    // more CPU time to Java threads i.e. this

    // is work around for not locking the Java

    // thread while RTSP connection is being

    // opened

    iOrigPriority = RThread().Priority();

    // player priority settings

    TMMFPrioritySettings prioritySettings;

    prioritySettings.iPriority = EMdaPriorityMax;

    prioritySettings.iPref = EMdaPriorityPreferenceTimeAndQuality;

    prioritySettings.iState = EMMFStatePlaying;

    User::LeaveIfError(DoOpen(KUrlSourceUid,

                              urlCfgBuffer->Ptr(0),

                              KUidMmfAudioOutput,

                              KNullDesC8,

                              prioritySettings));

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

    CleanupStack::PopAndDestroy(urlCfgBuffer);

    CleanupStack::PopAndDestroy(urlCfg);

    // Prefetch will be completed in HandleEvent method.

    // Next event KMMFEventCategoryVideoOpenComplete will be handled in

    // CMMAVideoPlayer.

}

void CMMAVideoUrlPlayer::FindActiveIap(const TUint aConnectionCount, TUint& aActiveIap)

{

    TPckgBuf<TConnectionInfo> connectionInfo;

    for (TUint i = 1; i <= aConnectionCount; ++i)

    {

        if (iConnection.GetConnectionInfo(i, connectionInfo) == KErrNone)

        {

            aActiveIap = connectionInfo().iIapId;

            break;

        }

    }

}

TBool CMMAVideoUrlPlayer::IsLiveStreamL()

{

    CMMFMetaDataEntry* currEntry = NULL;

    TInt nEntries = 0;

    User::LeaveIfError(iController.GetNumberOfMetaDataEntries(nEntries));

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

    {

        currEntry = iController.GetMetaDataEntryL(i);

        if ((0 == currEntry->Name().Compare(KMMALiveStreamMetaDataKeyword)) &&

                (0 == currEntry->Value().Compare(KMMALiveStreamMetaDataValue)))

        {

            delete currEntry;

            return ETrue;

        }

        delete currEntry;

    }

    return EFalse;

}

EXPORT_C void CMMAVideoUrlPlayer::HandleEvent(const TMMFEvent& aEvent)

{

    RThread currentThread;

    if (iPlayerDelegate != NULL)

    {

        iPlayerDelegate->HandleEvent(aEvent);

    }

    else

    {

        __ASSERT_DEBUG(iPlayerDelegate == NULL, User::Invariant());

        TInt err = aEvent.iErrorCode;

        // Lower thread priority to give more CPU time to Java-threads

        // i.e. current thread has one increment higher priority than

        // EPriorityNormal

        if (aEvent.iEventType == KMMFEventCategoryVideoOpenComplete &&

                err == KErrNone)

        {

            currentThread.SetPriority(EPriorityNormal);

        }

        if (aEvent.iEventType == KMMFEventCategoryVideoPrepareComplete)

        {

            // Restore original thread priority

            currentThread.SetPriority(iOrigPriority);

            // NotCompleteVideoError is not considered as an error condition, instead it indicates

            // that some elements of the media cannot be played (e.g. video OR audio)

            if (err != KErrNone && err != KNotCompleteVideoError)

            {

                CompletePrefetch(err);

                return;

            }

            // Find out of this is a live stream

            TBool liveStream = EFalse;

            TRAP(err, liveStream = IsLiveStreamL());

            if (err != KErrNone)

            {

                CompletePrefetch(err);

                return;

            }

            if (liveStream)

            {

                TRAP(err, iPlayerDelegate =

                         CMMAVideoUrlPlayerLiveStreamDelegate::NewL(*this));

            }

            else

            {

                iPlayerDelegate = new CMMAVideoUrlPlayerClipStreamDelegate(*this);

                err = iPlayerDelegate ? KErrNone : KErrNoMemory;

            }

            if (err != KErrNone)

            {

                // could not create delegate

                CompletePrefetch(err);

                return;

            }

            iPlayerDelegate->HandleEvent(aEvent);

        }

        else

        {

            // All other events.

            CMMAVideoPlayer::HandleEvent(aEvent);

        }

    }

}

void CMMAVideoUrlPlayer::HandleEventToParent(const TMMFEvent& aEvent)

{

    CMMAVideoPlayer::HandleEvent(aEvent);

}

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

//

// CMMAVideoUrlPlayerClipStreamDelegate

//

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

CMMAVideoUrlPlayer::CMMAVideoUrlPlayerDelegate::

CMMAVideoUrlPlayerDelegate(CMMAVideoUrlPlayer& aPlayer) :

        iPlayer(aPlayer)

{

    // Nothing to be done.

}

CMMAVideoUrlPlayer::CMMAVideoUrlPlayerDelegate::~CMMAVideoUrlPlayerDelegate()

{

    // Nothing to be done.

}

//  END OF FILE