/*

* Copyright (c) 2008 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:

*

*/

#include <gdi.h>

#include "videobuffersinkhandler.h"

#include <openmax/il/khronos/v1_x/OMX_Core.h>

CVideoBufferSinkHandler* CVideoBufferSinkHandler::NewL(

    TDesC& aFilename, 

    OMX_SYMBIAN_PARAM_3PLANE_CHUNK_DATA& aChunkDataMsg,

    const OMX_SYMBIAN_PARAM_BUFFER_SIZE& aBufferSize, 

    OMX_PARAM_PORTDEFINITIONTYPE& portDef)

	{

	CVideoBufferSinkHandler* handler = new (ELeave) CVideoBufferSinkHandler(aFilename);

	CleanupStack::PushL(handler);

	handler->ConstructL(aChunkDataMsg, aBufferSize, portDef);

	CleanupStack::Pop(handler);

	return handler;

	}

CVideoBufferSinkHandler::~CVideoBufferSinkHandler()

	{

	iReceiveBuffer.Close();

	iSendBuffer.Close();

	iBufferChunk.Close();

	iFileSink.Close();

	iFs.Close();

	}

CVideoBufferSinkHandler::CVideoBufferSinkHandler(TDesC& aFilename):

	CActive(EPriorityStandard),

	iWriteDes(NULL, 0, 0)

	{

	CActiveScheduler::Add(this);

	iFileName.Append(aFilename);

	}

void CVideoBufferSinkHandler::ConstructL(OMX_SYMBIAN_PARAM_3PLANE_CHUNK_DATA& aChunkDataMsg, const OMX_SYMBIAN_PARAM_BUFFER_SIZE& aBufferSize, OMX_PARAM_PORTDEFINITIONTYPE& portDef)

    {

    iBufferChunk.SetHandle(aChunkDataMsg.nChunk);

    User::LeaveIfError(iBufferChunk.Duplicate(RThread()));

    iReceiveBuffer.SetHandle(aChunkDataMsg.nFilledBufferQueue );

    User::LeaveIfError(iReceiveBuffer.Duplicate(RThread()));

    iSendBuffer.SetHandle(aChunkDataMsg.nAvailableBufferQueue); 

    User::LeaveIfError(iSendBuffer.Duplicate(RThread()));

   	if (portDef.nBufferCountActual <= 0 || portDef.nBufferSize <= 0)

		{

		User::Leave(KErrArgument);

		}

	iBufConfig.iNumBuffers = portDef.nBufferCountActual;

	iBufConfig.iBufferSizeInBytes = aBufferSize.nBufferSize;

	// Open datafile

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

	User::LeaveIfError(iFileSink.Replace(iFs, iFileName, EFileShareExclusive|EFileWrite));

	}

void CVideoBufferSinkHandler::Start()

	{

	// Start streaming

	iReceiveBuffer.NotifyDataAvailable(iStatus);

	SetActive();

	}

void CVideoBufferSinkHandler::RunL()

	{

	TFilledBufferHeaderV2 header;

	User::LeaveIfError(iReceiveBuffer.Receive(header));

	TUint8* chunkBase = iBufferChunk.Base();

	TUint8* bufBase = chunkBase + header.iOffset;

	iWriteDes.Set(bufBase, header.iFilledLength, iBufConfig.iBufferSizeInBytes);

	__ASSERT_ALWAYS(header.iFilledLength <= iWriteDes.Length(), User::Invariant());

	iFileSink.Write(iWriteDes);

	if (header.iFlags != OMX_BUFFERFLAG_EOS)

		{

		// there is no more to read from file source, request for more buffer

		iReceiveBuffer.NotifyDataAvailable(iStatus);

		SetActive();

		}

	User::LeaveIfError(iSendBuffer.Send(header));

	}

void CVideoBufferSinkHandler::DoCancel()

	{

	iReceiveBuffer.CancelDataAvailable();

	}