1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors: Juha Kauppinen, Mika Hokkanen

    13 * 

    14 * Description: Photo Browser

    15 *

    16 */

    17 

    18 // Include files

    19 #include "IEImageEncoder.h"

    20 

    21 // ========================== MEMBER FUNCTIONS ============================= //

    22 

    23 CIEImageEncoder* CIEImageEncoder::NewL(RFs& aFileServer, MEncodingObserver& aObserver)

    24 {

    25 	CIEImageEncoder* self = new (ELeave) CIEImageEncoder(aFileServer, aObserver);

    26 	CleanupStack::PushL(self);

    27 	self->ConstructL();

    28 	CleanupStack::Pop();

    29 	return self;

    30 }

    31 

    32 CIEImageEncoder::~CIEImageEncoder()

    33 {

    34 	if(iFrameImageData)

    35 	{

    36 		delete iFrameImageData;

    37 		iFrameImageData = NULL;

    38 	}

    39 	

    40 	if(iImageEncoder)

    41 	{

    42 		delete iImageEncoder;

    43 		iImageEncoder = NULL;

    44 	}

    45 	

    46 	if(iExtImageEncoder)

    47 	{

    48 		delete iExtImageEncoder;

    49 		iExtImageEncoder = NULL;

    50 	}

    51 	

    52 	if(iVisualFrame)

    53 	{

    54 		delete iVisualFrame;

    55 		iVisualFrame = NULL;

    56 	}

    57 }

    58 

    59 

    60 CIEImageEncoder::CIEImageEncoder(RFs& aFileServer, MEncodingObserver& aObserver)

    61 : CActive(EPriorityStandard), iFileServer(aFileServer), iObserver(aObserver)

    62 {	

    63 }

    64 

    65 void CIEImageEncoder::ConstructL()

    66 {

    67 	iEncoderBusy = EFalse;

    68 	

    69 	CActiveScheduler::Add(this);

    70 }

    71 

    72 void CIEImageEncoder::RunL()

    73 {

    74 	TInt error = iStatus.Int();

    75 	

    76 	//iObserver.JpegImageReady(iStatus.Int());

    77 	iEncoderBusy = EFalse;

    78 }

    79 

    80 void CIEImageEncoder::DoCancel()

    81 {

    82 	

    83 }

    84 

    85 void CIEImageEncoder::ConvertYuv2JpegL(HBufC8*& aDestBuffer, 

    86 								HBufC8& aSourceBuffer, 

    87 								const TSize aSize)

    88 {

    89 	TInt blocks = 0;

    90 

    91 	iEncoderBusy = ETrue;

    92 

    93 	if(iExtImageEncoder)

    94 	{

    95 		delete iExtImageEncoder;

    96 		iExtImageEncoder = NULL;

    97 		

    98 	}

    99 	

   100 	iExtImageEncoder = CExtJpegEncoder::DataNewL(aDestBuffer, _L8("image/jpeg"));

   101 	

   102 	TPtr8 ptrSrc = aSourceBuffer.Des();

   103 	TInt bufSize = aSourceBuffer.Size();

   104 		

   105 	if(iVisualFrame)

   106 	{

   107 		delete iVisualFrame;

   108 		iVisualFrame = NULL;

   109 	}

   110 	

   111 	iVisualFrame = CVisualFrame::NewL(ptrSrc, aSize, CVisualFrame::EFormatYUV420Planar);

   112 	

   113 	SetJpegImageDataL();

   114 	iExtImageEncoder->ConvertL(&iStatus, iVisualFrame, blocks, iFrameImageData);

   115 	

   116 	if(!IsActive())

   117 		SetActive();

   118 }

   119 

   120 void CIEImageEncoder::ConvertYuv2JpegL(TDesC& aFileName, 

   121 								HBufC8& aSourceBuffer, 

   122 								const TSize aSize)

   123 {

   124 	TInt blocks = 0;

   125 

   126 	iEncoderBusy = ETrue;

   127 

   128 	if(iExtImageEncoder)

   129 	{

   130 		delete iExtImageEncoder;

   131 		iExtImageEncoder = NULL;

   132 		

   133 	}

   134 	

   135 	iExtImageEncoder = CExtJpegEncoder::FileNewL(iFileServer, aFileName, _L8("image/jpeg"));

   136 	

   137 	TPtr8 ptrSrc = aSourceBuffer.Des();

   138 	TInt bufSize = aSourceBuffer.Size();

   139 		

   140 	if(iVisualFrame)

   141 	{

   142 		delete iVisualFrame;

   143 		iVisualFrame = NULL;

   144 	}

   145 	

   146 	iVisualFrame = CVisualFrame::NewL(ptrSrc, aSize, CVisualFrame::EFormatYUV420Planar);

   147 	

   148 	SetJpegImageDataL();

   149 	iExtImageEncoder->ConvertL(&iStatus, iVisualFrame, blocks, iFrameImageData);

   150 	

   151 	if(!IsActive())

   152 		SetActive();

   153 }

   154 

   155 void CIEImageEncoder::SetJpegImageDataL()

   156 {

   157 	TJpegImageData* jpegImageData;

   158 	jpegImageData = new (ELeave) TJpegImageData;

   159 	jpegImageData->iSampleScheme = TJpegImageData::EColor420;

   160 	jpegImageData->iQualityFactor = 90;	

   161 	

   162 	if(iFrameImageData)

   163 	{

   164 		delete iFrameImageData;

   165 		iFrameImageData = NULL;

   166 	}

   167 	

   168 	iFrameImageData = CFrameImageData::NewL();

   169 	// Ownership of jpegImageData lies with CFrameImageData

   170 	User::LeaveIfError(iFrameImageData->AppendImageData(jpegImageData));

   171 }

   172 

   173 void CIEImageEncoder::CancelEncoding()

   174 {

   175 	if(iEncoderBusy)

   176 	{

   177 		if(iImageEncoder)

   178 			iImageEncoder->Cancel();

   179 		if(iExtImageEncoder)

   180 			iExtImageEncoder->Cancel();

   181 	}

   182 	

   183 	if(IsActive())

   184 		Cancel();

   185 }

   186 

   187 // EOF