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1 /* |
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2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Texture Manager component/Decodes the Image in step for large sized images |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 // INCLUDE FILES |
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22 #include "glxbitmapdecoderwrapper.h" |
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23 #include <glxtracer.h> // For Log |
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24 #include <bitmaptransforms.h> |
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25 #include <imageconversion.h> |
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26 #include <ExifRead.h> |
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27 #include <glxlog.h> |
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28 #include <hal.h> |
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29 #include <hal_data.h> |
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30 #include <mglxcache.h> |
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31 #include <oommonitorsession.h> |
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32 namespace |
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33 { |
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34 const TInt KGlxDecodingThreshold = 3000000; |
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35 |
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36 |
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37 // Photos low_ram_threshold [8.637 MB] as in oomconfig.xml |
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38 const TInt KGlxCriticalRAMForPhotos = 9056550; |
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39 const TInt KGlxDecodeBitmapFactor = 3; |
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40 // All EXIF data is within the first KGlxMaxExifSize bytes of the file |
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41 const TInt KGlxMaxExifSize = 0x10000; |
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42 } |
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43 |
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44 // --------------------------------------------------------------------------- |
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45 // Two-phased constructor. |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 CGlxBitmapDecoderWrapper* CGlxBitmapDecoderWrapper::NewL(MGlxBitmapDecoderObserver* aObserver) |
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49 { |
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50 TRACER("CGlxBitmapDecoderWrapper:: NewL "); |
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51 CGlxBitmapDecoderWrapper* self = new(ELeave)CGlxBitmapDecoderWrapper(); |
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52 CleanupStack::PushL(self); |
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53 self->ConstructL(aObserver); |
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54 CleanupStack::Pop(self); |
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55 return self; |
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56 } |
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57 |
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58 // --------------------------------------------------------------------------- |
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59 // Constructor |
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60 // --------------------------------------------------------------------------- |
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61 // |
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62 CGlxBitmapDecoderWrapper::CGlxBitmapDecoderWrapper() |
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63 :CActive( EPriorityLow ) |
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64 { |
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65 TRACER("CGlxBitmapDecoderWrapper:: NewL "); |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // Destructor |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 |
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73 CGlxBitmapDecoderWrapper::~CGlxBitmapDecoderWrapper() |
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74 { |
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75 TRACER("CGlxBitmapDecoderWrapper:: ~CGlxBitmapDecoderWrapper "); |
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76 iFs.Close(); |
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77 Cancel(); |
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78 if (iImageDecoder) |
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79 { |
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80 delete iImageDecoder; |
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81 iImageDecoder = NULL; |
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82 } |
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83 } |
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84 |
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85 // --------------------------------------------------------------------------- |
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86 // ConstructL |
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87 // --------------------------------------------------------------------------- |
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88 void CGlxBitmapDecoderWrapper::ConstructL(MGlxBitmapDecoderObserver* aObserver) |
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89 { |
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90 TRACER("CGlxBitmapDecoderWrapper::ConstructL "); |
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91 iObserver = aObserver; |
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92 User::LeaveIfError(iFs.Connect()); |
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93 CActiveScheduler::Add( this ); |
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94 } |
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95 |
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96 // --------------------------------------------------------------------------- |
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97 // DoDecodeImageL |
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98 // --------------------------------------------------------------------------- |
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99 |
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100 void CGlxBitmapDecoderWrapper::DoDecodeImageL(const TDesC & aSourceFileName,TInt aIndex) |
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101 { |
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102 TRACER("CGlxBitmapDecoderWrapper:: DoDecodeImageL "); |
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103 iThumbnailIndex = aIndex; |
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104 //Variable used to get the decoder type used; |
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105 TBool isExtDecoderUsed = ETrue; |
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106 |
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107 #ifdef _DEBUG |
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108 iDecodeProcessstartTime.HomeTime(); |
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109 #endif |
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110 |
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111 if (iImageDecoder) |
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112 { |
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113 delete iImageDecoder; |
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114 iImageDecoder = NULL; |
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115 } |
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116 // Use extended JPEG decoder |
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117 TRAPD( err, iImageDecoder = CExtJpegDecoder::FileNewL( |
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118 CExtJpegDecoder::EHwImplementation, iFs, aSourceFileName, CImageDecoder::EOptionNone ) ); |
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119 if ( KErrNone != err ) |
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120 { |
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121 GLX_LOG_INFO( "DoDecodeImageL:: ESwImplementation" ); |
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122 TRAP(err,iImageDecoder = CExtJpegDecoder::FileNewL( |
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123 CExtJpegDecoder::ESwImplementation, iFs, aSourceFileName, CImageDecoder::EOptionNone ) ); |
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124 if ( KErrNone != err ) |
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125 { |
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126 GLX_LOG_INFO( "DoDecodeImageL:: CImageDecoder" ); |
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127 // Not a JPEG - use standard decoder |
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128 iImageDecoder = CImageDecoder::FileNewL( iFs, aSourceFileName, CImageDecoder::EOptionNone ); |
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129 isExtDecoderUsed = EFalse; |
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130 } |
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131 } |
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132 #ifdef _DEBUG |
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133 iStopTime.HomeTime(); |
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134 GLX_DEBUG1("=== DECODER CREATION ==="); |
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135 GLX_DEBUG2("Decoder Creation took <%d> us", |
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136 (TInt)iStopTime.MicroSecondsFrom(iDecodeProcessstartTime).Int64()); |
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137 #endif |
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138 |
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139 TSize imageSize = iImageDecoder->FrameInfo().iOverallSizeInPixels; |
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140 if(isExtDecoderUsed) |
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141 { |
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142 TUint16 orientation=0; |
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143 //Read the orientation from the Exif header of the image if present |
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144 TRAPD(error, orientation=GetOrientationL(aSourceFileName)); |
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145 if(KErrNone == error ) |
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146 { |
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147 //Get the rotation angle and the flip status from orientation |
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148 TInt rotAngle = 0; |
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149 TBool flipStatus = EFalse; |
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150 GetRotationParameters(orientation, rotAngle, flipStatus); |
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151 //Set the parameters to the decoder |
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152 CExtJpegDecoder* extDecoder = (CExtJpegDecoder*)iImageDecoder; |
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153 extDecoder->SetRotationL(rotAngle); |
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154 if(flipStatus) |
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155 { |
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156 extDecoder->SetMirroringL(); |
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157 } |
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158 //Switch Image Height and width in case orientation > 4 as that |
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159 //corresponds to angles 180 and 270 degrees |
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160 if (orientation > 4) |
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161 { |
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162 imageSize.SetSize(imageSize.iHeight,imageSize.iWidth); |
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163 } |
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164 } |
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165 |
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166 } |
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167 iOriginalSize.iWidth = imageSize.iWidth; |
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168 iOriginalSize.iHeight = imageSize.iHeight; |
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169 |
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170 if (iBitmap) |
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171 { |
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172 delete iBitmap; |
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173 iBitmap = NULL; |
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174 } |
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175 DecodeImageL(); |
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176 } |
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177 // --------------------------------------------------------------------------- |
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178 // DecodeImageL |
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179 // --------------------------------------------------------------------------- |
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180 // |
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181 void CGlxBitmapDecoderWrapper::DecodeImageL() |
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182 { |
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183 TRACER("CGlxBitmapDecoderWrapper:: DecodeImageL "); |
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184 TReal32 mFactor = 1; |
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185 //Set Size according to level and state |
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186 TReal32 width = iOriginalSize.iWidth; |
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187 TReal32 height = iOriginalSize.iHeight; |
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188 GLX_LOG_INFO1("DecodeImageL:width=%f", width); |
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189 GLX_LOG_INFO1("DecodeImageL:height=%f",height); |
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190 |
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191 |
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192 if ( KGlxDecodingThreshold < (width * height)) |
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193 { |
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194 mFactor = TReal32(KGlxDecodingThreshold) / (width*height); |
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195 } |
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196 |
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197 // create the destination bitmap |
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198 if(!iBitmap) |
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199 { |
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200 TInt freeMemory = 0; |
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201 HAL::Get( HALData::EMemoryRAMFree, freeMemory ); |
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202 width*=mFactor; |
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203 height*=mFactor; |
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204 TInt minmemorytodecode = KGlxDecodeBitmapFactor*width*height; |
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205 GLX_LOG_INFO2("DecodeImageL: after factoring width=%f, height=%f", width, height); |
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206 GLX_LOG_INFO2("DecodeImageL:minmemorytodecode=%d, freememory=%d", |
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207 minmemorytodecode, freeMemory); |
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208 if(minmemorytodecode < (freeMemory - KGlxCriticalRAMForPhotos)) |
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209 { |
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210 GLX_LOG_INFO("DecodeImageL:RAM available decoding image"); |
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211 |
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212 iBitmap = new (ELeave) CFbsBitmap(); |
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213 iBitmap->Create( TSize(width,height),iImageDecoder->FrameInfo().iFrameDisplayMode ); |
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214 #ifdef _DEBUG |
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215 iStartTime.HomeTime(); // Get home time |
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216 #endif |
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217 iImageDecoder->Convert( &iStatus, *iBitmap ); |
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218 } |
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219 else |
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220 { |
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221 //case when sufficient memory is not available |
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222 //request OOM FW to release the required memory |
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223 GLX_LOG_INFO("DecodeImageL:insufficient RAM - request OOM"); |
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224 TInt err = OOMRequestFreeMemoryL(minmemorytodecode); |
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225 if(err == KErrNoMemory) |
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226 { |
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227 //if OOM fails, release Photos Cache |
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228 GLX_LOG_INFO("DecodeImageL:insufficient RAM - OOM failed - request Cache"); |
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229 MGlxCache* cacheManager = MGlxCache::InstanceL(); |
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230 cacheManager->ReleaseRAML(ETrue); |
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231 cacheManager->Close(); |
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232 //Try and release memory again |
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233 err = OOMRequestFreeMemoryL(minmemorytodecode); |
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234 } |
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235 if(err != KErrNoMemory) |
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236 { |
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237 GLX_LOG_INFO("DecodeImageL:Sufficient RAM available"); |
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238 iBitmap = new (ELeave) CFbsBitmap(); |
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239 iBitmap->Create( TSize(width,height),iImageDecoder->FrameInfo().iFrameDisplayMode ); |
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240 #ifdef _DEBUG |
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241 iStartTime.HomeTime(); // Get home time |
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242 #endif |
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243 iImageDecoder->Convert( &iStatus, *iBitmap ); |
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244 } |
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245 else |
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246 { |
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247 GLX_LOG_INFO("NOT ENOUGH MEMORY - Using the Fullscreen Thumbnail For Zoom"); |
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248 //release the file held by decoder immediately. |
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249 iImageDecoder->Cancel(); |
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250 delete iImageDecoder; |
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251 iImageDecoder = NULL; |
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252 //Inform the client that there is no decode happened and there we take care |
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253 //of showing the fullscreen thumbnail. |
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254 iObserver->HandleBitmapDecodedL(iThumbnailIndex,NULL); |
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255 return; |
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256 } |
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257 } |
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258 |
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259 SetActive(); |
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260 } |
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261 } |
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262 // --------------------------------------------------------------------------- |
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263 // RunL |
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264 // --------------------------------------------------------------------------- |
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265 // |
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266 void CGlxBitmapDecoderWrapper::RunL() |
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267 { |
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268 TRACER("CGlxBitmapDecoderWrapper:: RunL "); |
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269 if( iStatus == KErrNone ) |
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270 { |
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271 iObserver->HandleBitmapDecodedL(iThumbnailIndex,iBitmap); |
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272 iBitmap = NULL; |
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273 |
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274 //release the file held by decoder immediately. |
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275 GLX_LOG_INFO( " CGlxBitmapDecoderWrapper::RunL:Decoding Finished" ); |
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276 iImageDecoder->Cancel(); |
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277 delete iImageDecoder; |
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278 iImageDecoder = NULL; |
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279 #ifdef _DEBUG |
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280 iStopTime.HomeTime(); |
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281 GLX_DEBUG1("=== IMAGE DECODE ==="); |
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282 GLX_DEBUG2("=>Image Decode Took took <%d> us", |
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283 (TInt)iStopTime.MicroSecondsFrom(iStartTime).Int64()); |
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284 #endif |
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285 |
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286 } |
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287 } |
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288 // --------------------------------------------------------------------------- |
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289 // DoCancel |
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290 // --------------------------------------------------------------------------- |
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291 // |
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292 void CGlxBitmapDecoderWrapper::DoCancel() |
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293 { |
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294 TRACER("CGlxBitmapDecoderWrapper:: DoCancel "); |
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295 if(iImageDecoder) |
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296 { |
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297 GLX_LOG_INFO( " CGlxBitmapDecoderWrapper::DoCancel:Deleting" ); |
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298 iImageDecoder->Cancel(); |
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299 delete iImageDecoder; |
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300 iImageDecoder = NULL; |
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301 } |
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302 if(iBitmap) |
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303 { |
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304 delete iBitmap; |
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305 iBitmap = NULL; |
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306 } |
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307 } |
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308 |
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309 // --------------------------------------------------------------------------- |
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310 // GetOrientationL |
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311 // --------------------------------------------------------------------------- |
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312 // |
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313 TUint16 CGlxBitmapDecoderWrapper::GetOrientationL(const TDesC& aFileName) |
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314 { |
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315 TRACER("CGlxBitmapDecoderWrapper:: GetOrientationL "); |
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316 //Get Exif Metadata and the orientation tag from the file first |
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317 RFile file; |
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318 CleanupClosePushL(file); |
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319 User::LeaveIfError(file.Open(iFs, |
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320 aFileName, EFileRead)); |
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321 TInt size; |
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322 User::LeaveIfError(file.Size(size)); |
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323 if ( KGlxMaxExifSize < size ) |
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324 { |
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325 size = KGlxMaxExifSize; |
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326 } |
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327 TUint16 orientation = 9; |
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328 HBufC8* exifData = HBufC8::NewLC(size); |
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329 TPtr8 ptr(exifData->Des()); |
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330 User::LeaveIfError(file.Read(ptr)); |
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331 CExifRead* exifReader = NULL; |
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332 TRAPD(exifErr,exifReader = CExifRead::NewL(*exifData, CExifRead::ENoJpeg)); |
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333 if(exifErr == KErrNone) |
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334 { |
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335 CleanupStack::PushL(exifReader); |
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336 |
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337 TInt readErr = exifReader->GetOrientation(orientation); |
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338 if(readErr != KErrNone) |
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339 { |
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340 orientation = 9; |
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341 } |
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342 CleanupStack::PopAndDestroy(exifReader); |
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343 } |
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344 CleanupStack::PopAndDestroy(exifData); |
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345 //Close and pop file Session |
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346 CleanupStack::PopAndDestroy(&file); |
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347 return orientation; |
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348 |
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349 } |
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350 // --------------------------------------------------------------------------- |
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351 // DoCancel |
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352 // --------------------------------------------------------------------------- |
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353 // |
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354 void CGlxBitmapDecoderWrapper::GetRotationParameters(TUint16 aOrientation, TInt& aRotAngle, TBool& aFlipStatus) |
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355 { |
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356 TRACER("CGlxBitmapDecoderWrapper:: DoCancel "); |
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357 //Get the orientation and set rotation on the decoder |
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358 //as well as update the original size |
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359 aRotAngle = 0; |
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360 aFlipStatus = EFalse; |
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361 TInt isOrientationOdd = aOrientation%2; |
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362 if(aOrientation>8) |
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363 { |
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364 return; |
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365 } |
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366 if(aOrientation >= 3 && aOrientation < 5) |
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367 { |
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368 aRotAngle = 180; |
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369 } |
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370 else if(aOrientation >= 5 && aOrientation < 7) |
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371 { |
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372 aRotAngle = 90; |
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373 |
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374 } |
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375 else if(aOrientation >= 7 && aOrientation <= 8) |
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376 { |
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377 aRotAngle = 270; |
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378 } |
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379 if(aOrientation>4 ) |
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380 { |
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381 if(isOrientationOdd ) |
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382 { |
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383 aFlipStatus = ETrue; |
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384 } |
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385 } |
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386 |
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387 } |
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388 |
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389 // --------------------------------------------------------------------------- |
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390 // OOMRequestFreeMemoryL |
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391 // --------------------------------------------------------------------------- |
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392 // |
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393 TInt CGlxBitmapDecoderWrapper::OOMRequestFreeMemoryL( TInt aBytesRequested) |
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394 { |
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395 TRACER("CGlxBitmapDecoderWrapper::OOMRequestFreeMemoryL"); |
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396 GLX_LOG_INFO1("CGlxBitmapDecoderWrapper::OOMRequestFreeMemoryL() aBytesRequested=%d", |
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397 aBytesRequested); |
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398 ROomMonitorSession oomMonitor; |
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399 User::LeaveIfError( oomMonitor.Connect() ); |
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400 // No leaving code after this point, so no need to use cleanup stack |
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401 // for oomMonitor |
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402 TInt errorCode = oomMonitor.RequestFreeMemory( aBytesRequested ); |
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403 GLX_LOG_INFO1("CGlxBitmapDecoderWrapper::OOMRequestFreeMemoryL(1) errorCode=%d",errorCode); |
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404 if ( errorCode != KErrNone ) |
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405 { |
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406 // try one more time |
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407 errorCode = oomMonitor.RequestFreeMemory( aBytesRequested ); |
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408 GLX_LOG_INFO1("CGlxBitmapDecoderWrapper::OOMRequestFreeMemoryL(2) errorCode=%d",errorCode); |
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409 } |
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410 oomMonitor.Close(); |
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411 return errorCode; |
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412 } |