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.JpegImageReadyL(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 								const TImageForamt /*aFormat*/)

    89 {

    90 	TInt blocks = 0;

    91 

    92 	iEncoderBusy = ETrue;

    93 

    94 	if(iExtImageEncoder)

    95 	{

    96 		delete iExtImageEncoder;

    97 		iExtImageEncoder = NULL;

    98 		

    99 	}

   100 	

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

   102 	

   103 	TPtr8 ptrSrc = aSourceBuffer.Des();

   104 	TInt bufSize = aSourceBuffer.Size();

   105 		

   106 	if(iVisualFrame)

   107 	{

   108 		delete iVisualFrame;

   109 		iVisualFrame = NULL;

   110 	}

   111 	

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

   113 	

   114 	SetJpegImageDataL();

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

   116 	

   117 	if(!IsActive())

   118 		SetActive();

   119 }

   120 

   121 void CIEImageEncoder::ConvertYuv2JpegL(TDesC& aFileName, 

   122 								HBufC8& aSourceBuffer, 

   123 								const TSize aSize, 

   124 								const TImageForamt /*aFormat*/)

   125 {

   126 	TInt blocks = 0;

   127 

   128 	iEncoderBusy = ETrue;

   129 

   130 	if(iExtImageEncoder)

   131 	{

   132 		delete iExtImageEncoder;

   133 		iExtImageEncoder = NULL;

   134 		

   135 	}

   136 	

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

   138 	

   139 	TPtr8 ptrSrc = aSourceBuffer.Des();

   140 	TInt bufSize = aSourceBuffer.Size();

   141 		

   142 	if(iVisualFrame)

   143 	{

   144 		delete iVisualFrame;

   145 		iVisualFrame = NULL;

   146 	}

   147 	

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

   149 	

   150 	SetJpegImageDataL();

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

   152 	

   153 	if(!IsActive())

   154 		SetActive();

   155 }

   156 

   157 void CIEImageEncoder::SetJpegImageDataL()

   158 {

   159 	TJpegImageData* jpegImageData;

   160 	jpegImageData = new (ELeave) TJpegImageData;

   161 	jpegImageData->iSampleScheme = TJpegImageData::EColor420;

   162 	jpegImageData->iQualityFactor = 90;	

   163 	

   164 	if(iFrameImageData)

   165 	{

   166 		delete iFrameImageData;

   167 		iFrameImageData = NULL;

   168 	}

   169 	

   170 	iFrameImageData = CFrameImageData::NewL();

   171 	// Ownership of jpegImageData lies with CFrameImageData

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

   173 }

   174 

   175 void CIEImageEncoder::CancelEncoding()

   176 {

   177 	if(iEncoderBusy)

   178 	{

   179 		if(iImageEncoder)

   180 			iImageEncoder->Cancel();

   181 		if(iExtImageEncoder)

   182 			iExtImageEncoder->Cancel();

   183 	}

   184 	

   185 	if(IsActive())

   186 		Cancel();

   187 }

   188 

   189 // EOF