1 /* |
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2 * Copyright (c) 2007-2009 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: SConMetadata implementation |
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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 // INCLUDE FILES |
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20 |
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21 #include <utf.h> // for CnvUtfConverter |
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22 #include <MetaDataUtility.h> |
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23 #include <MetaDataFieldContainer.h> |
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24 #include <MetaDataField.hrh> |
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25 #include <caf/content.h> |
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26 #include <caf/data.h> |
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27 #include <ExifRead.h> |
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28 #include <ExifTag.h> |
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29 |
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30 #include "sconmetadata.h" |
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31 #include "sconconmltask.h" |
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32 #include "sconpcdconsts.h" |
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33 #include "sconvideoparser.h" |
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34 #include "debug.h" |
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35 #include "sconmetadatafielddefs.h" |
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36 |
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37 |
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38 |
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39 const TInt KBufferSize(1024); |
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40 // Size of buffer to load from file start to get EXIF thumbnail |
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41 const TInt KJpegLoadBufferSize = 65536; // 64k |
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42 |
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43 |
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44 const TUint32 KFieldMaxLength = 0xFFFFFFFF; // four bytes reserved for "length" information |
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45 |
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46 // GPS related Exif IDs |
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47 const TUint16 KGPSLatitudeRef = 0x01; |
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48 const TUint16 KGPSLatitude = 0x02; |
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49 const TUint16 KGPSLongitudeRef = 0x03; |
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50 const TUint16 KGPSLongitude = 0x04; |
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51 const TUint16 KGPSAltitudeRef = 0x05; |
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52 const TUint16 KGPSAltitude = 0x06; |
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53 |
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54 |
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55 // extensions for exif parser |
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56 _LIT(KJpgExt, ".jpg"); |
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57 _LIT(KJpegExt, ".jpeg"); |
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58 // extensions for audio metadata parser |
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59 _LIT(KAacExt, ".aac"); |
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60 _LIT(KMp3Ext, ".mp3"); |
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61 _LIT(KMp4Ext, ".mp4"); |
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62 _LIT(KWmaExt, ".wma"); |
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63 // extensions for video metadata parser |
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64 _LIT(KM4aExt, ".m4a"); |
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65 _LIT(K3gpExt, ".3gp"); |
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66 |
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67 |
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68 // ============================= MEMBER FUNCTIONS =============================== |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // SConMetadata::ProcessTask() |
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72 // ProcessTask |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 void SConMetadata::ProcessTask( CSConTask& aTask, RFs& aFs ) |
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76 { |
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77 TRACE_FUNC_ENTRY; |
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78 TInt err(KErrNone); |
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79 if ( aTask.GetServiceId() == EGetMetadata ) |
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80 { |
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81 LOGGER_WRITE_1( "SConMetadata::ProcessTask() : file %S", |
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82 &aTask.iGetMetadataParams->iFilename ); |
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83 |
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84 #ifdef _DEBUG |
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85 LOGGER_WRITE( "start.. " ); |
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86 TTimeIntervalMicroSeconds sec; |
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87 TTime start; |
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88 TTime end; |
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89 start.HomeTime(); |
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90 #endif |
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91 |
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92 TParsePtrC filename( aTask.iGetMetadataParams->iFilename ); |
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93 |
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94 if ( filename.Ext().CompareF( KJpgExt ) == 0 |
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95 || filename.Ext().CompareF( KJpegExt ) == 0 ) |
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96 { |
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97 // jpg file, try to read exif |
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98 LOGGER_WRITE( "jpg file, Try to read exif" ); |
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99 TRAP( err, ReadExifDataL( aTask, aFs ) ); |
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100 } |
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101 else if ( filename.Ext().CompareF( KMp4Ext ) == 0 |
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102 || filename.Ext().CompareF( K3gpExt ) == 0 ) |
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103 { |
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104 LOGGER_WRITE( "Try to read video" ); |
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105 TRAP( err, GetVideoMetadataL( aTask, aFs ) ); |
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106 } |
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107 else if ( filename.Ext().CompareF( KAacExt ) == 0 |
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108 || filename.Ext().CompareF( KM4aExt ) == 0 |
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109 || filename.Ext().CompareF( KMp3Ext ) == 0 |
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110 || filename.Ext().CompareF( KWmaExt ) == 0 ) |
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111 { |
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112 |
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113 // audio file, try to read audio |
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114 LOGGER_WRITE( "Try to read audio" ); |
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115 TRAP( err, GetAudioMetadataL( aTask ) ); |
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116 } |
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117 else |
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118 { |
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119 LOGGER_WRITE( "File extension not supported" ); |
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120 err = KErrNotSupported; |
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121 } |
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122 |
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123 #ifdef _DEBUG |
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124 end.HomeTime(); |
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125 sec = end.MicroSecondsFrom( start ); |
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126 |
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127 LOGGER_WRITE_1( "trapErr %d", err ); |
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128 LOGGER_WRITE_1( "duration: %Ld", sec.Int64() ); |
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129 #endif |
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130 } |
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131 else |
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132 { |
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133 LOGGER_WRITE( "SConMetadata::ProcessTask() : not supported" ); |
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134 err = KErrNotSupported; |
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135 } |
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136 |
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137 LOGGER_WRITE( "SConMetadata::ProcessTask() : CompleteTask" ); |
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138 |
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139 TInt progress( KSConCodeTaskCompleted ); |
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140 TBool complete ( ETrue ); |
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141 switch( err ) |
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142 { |
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143 case KErrNone : |
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144 progress = KSConCodeTaskCompleted; |
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145 break; |
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146 case KErrNotFound : |
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147 case KErrBadName : |
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148 progress = KSConCodeNotFound; |
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149 break; |
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150 default : |
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151 progress = KSConCodeConflict; |
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152 break; |
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153 } |
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154 |
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155 aTask.SetCompleteValue( complete ); |
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156 aTask.SetProgressValue( progress ); |
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157 TRACE_FUNC_EXIT; |
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158 } |
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159 |
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160 // ----------------------------------------------------------------------------- |
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161 // SConMetadata::GetAudioMetadataL() |
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162 // Read audio metadata |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 void SConMetadata::GetAudioMetadataL( CSConTask& aTask ) |
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166 { |
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167 TRACE_FUNC_ENTRY; |
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168 CMetaDataUtility* metadataUtil = CMetaDataUtility::NewL(); |
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169 CleanupStack::PushL( metadataUtil ); |
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170 |
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171 LOGGER_WRITE( "SConMetadata::GetAudioMetadataL() : OpenFileL" ); |
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172 metadataUtil->OpenFileL( aTask.iGetMetadataParams->iFilename ); |
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173 |
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174 TInt count = metadataUtil->MetaDataCount(); |
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175 LOGGER_WRITE_1( "SConMetadata::GetAudioMetadataL() : MetaDataCount %d", count ); |
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176 if ( count > 0 ) |
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177 { |
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178 const CMetaDataFieldContainer& fields = metadataUtil->MetaDataFieldsL(); |
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179 count = fields.Count(); |
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180 |
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181 CBufFlat* buffer = CBufFlat::NewL( KBufferSize ); |
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182 CleanupStack::PushL( buffer ); |
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183 buffer->Reset(); |
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184 |
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185 |
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186 TInt offset(0); |
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187 // write object header |
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188 // Item type (1 byte) + Version (1 byte) = 2 bytes |
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189 buffer->ExpandL( offset, 2 ); |
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190 |
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191 // header id |
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192 TUint8 value( KSconMetadataHeaderAudio ); |
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193 buffer->Write( offset, TPtrC8(&value, 1) ); |
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194 offset++; |
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195 |
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196 // header version |
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197 value = KSconMetadataHeaderVersion; |
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198 buffer->Write( offset, TPtrC8(&value, 1) ); |
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199 offset++; |
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200 |
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201 // Add ID3 field |
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202 value = metadataUtil->ID3Version(); |
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203 AppendTUintDataFieldL( buffer, value, KSconAudioID3Version ); |
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204 |
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205 TMetaDataFieldId fieldId; |
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206 TPtrC fieldData; |
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207 |
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208 for ( TInt i = 0; i < count; i++ ) |
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209 { |
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210 // get field id |
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211 fields.FieldIdAt( i , fieldId ); |
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212 LOGGER_WRITE_2( "AudioFieldId( %d ): 0x%02x", i, fieldId ); |
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213 |
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214 if ( fieldId == EMetaDataJpeg ) |
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215 { |
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216 TPtrC8 field8( fields.Field8( fieldId ) ); |
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217 AppendByteDataFieldL( |
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218 buffer, |
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219 field8, |
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220 AudioFieldId( fieldId ) ); |
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221 } |
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222 else |
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223 { |
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224 // get field data and add UTF-8 formatted text to buffer |
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225 fieldData.Set( fields.At( i , fieldId ) ); |
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226 AppendUtf8DataFieldL( buffer, fieldData, AudioFieldId( fieldId ) ); |
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227 } |
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228 |
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229 } |
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230 |
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231 if ( buffer->Size() > 0 ) |
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232 { |
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233 LOGGER_WRITE_1( "SConMetadata::GetAudioMetadataL() : buffer->Size() %d", buffer->Size() ); |
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234 if ( aTask.iGetMetadataParams->iData ) |
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235 { |
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236 delete aTask.iGetMetadataParams->iData; |
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237 aTask.iGetMetadataParams->iData = NULL; |
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238 } |
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239 //Initialize the task data buffer |
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240 aTask.iGetMetadataParams->iData = HBufC8::NewL( buffer->Size() ); |
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241 TPtr8 dataPtr = aTask.iGetMetadataParams->iData->Des(); |
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242 |
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243 buffer->Read( 0, dataPtr, buffer->Size() ); |
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244 LOGGER_WRITE_1( "SConMetadata::GetAudioMetadataL() dataPtr len: %d", dataPtr.Length()); |
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245 } |
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246 CleanupStack::PopAndDestroy( buffer ); |
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247 } |
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248 |
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249 CleanupStack::PopAndDestroy( metadataUtil ); |
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250 |
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251 TRACE_FUNC_EXIT; |
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252 } |
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253 |
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254 // ----------------------------------------------------------------------------- |
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255 // SConMetadata::GetVideoMetadataL() |
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256 // Read video metadata |
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257 // ----------------------------------------------------------------------------- |
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258 // |
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259 void SConMetadata::GetVideoMetadataL( CSConTask& aTask, RFs& aFs ) |
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260 { |
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261 TRACE_FUNC_ENTRY; |
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262 CBufFlat* buffer = CBufFlat::NewL( KBufferSize ); |
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263 CleanupStack::PushL( buffer ); |
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264 buffer->Reset(); |
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265 |
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266 TInt offset(0); |
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267 // write object header |
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268 // Item type (1 byte) + Version (1 byte) = 2 bytes |
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269 buffer->ExpandL( offset, 2 ); |
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270 |
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271 // header id |
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272 TUint8 value( KSconMetadataHeaderVideo ); |
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273 buffer->Write( offset, TPtrC8(&value, 1) ); |
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274 offset++; |
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275 |
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276 // header version |
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277 value = KSconMetadataHeaderVersion; |
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278 buffer->Write( offset, TPtrC8(&value, 1) ); |
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279 offset++; |
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280 |
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281 |
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282 CSConVideoParser* videoParser = CSConVideoParser::NewLC(); |
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283 |
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284 videoParser->OpenFileL( aFs, aTask.iGetMetadataParams->iFilename ); |
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285 LOGGER_WRITE( "Open completed" ); |
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286 |
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287 const TUint KFormatMaxLength = 100; |
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288 TBuf<KFormatMaxLength> formatMimeType; |
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289 formatMimeType.Copy( videoParser->VideoFormatMimeTypeL() ); |
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290 LOGGER_WRITE_1( "formatMimeType: %S", &formatMimeType); |
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291 AppendUtf8DataFieldL( buffer, formatMimeType, KSconVideoFormat ); |
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292 |
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293 // we can't use TReal format, so convert frame rate to frames/ms (or 1000 frames/s) |
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294 TReal32 frameRate = videoParser->VideoFrameRateL(); |
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295 const TUint KFrameRateMultiplier = 1000; |
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296 TInt frm = frameRate * KFrameRateMultiplier; |
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297 LOGGER_WRITE_1( "frameRate: %f", frameRate ); |
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298 LOGGER_WRITE_1( "frm: %d", frm ); |
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299 AppendTUintDataFieldL( buffer, frm, KSconVideoFrameRate ); |
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300 |
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301 TSize size; |
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302 videoParser->VideoFrameSizeL( size ); |
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303 LOGGER_WRITE_2( "VideoFrameSizeL: %d, %d", size.iWidth, size.iHeight); |
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304 AppendTUintDataFieldL( buffer, size.iWidth, KSconVideoFrameSizeWidth ); |
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305 AppendTUintDataFieldL( buffer, size.iHeight, KSconVideoFrameSizeHeight ); |
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306 |
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307 |
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308 |
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309 const TUint8 KSconVideoAudioStreamMimetype ( 0x09 ); |
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310 const TUint8 KSconVideoVideoStreamMimetype ( 0x0a ); |
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311 |
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312 TInt videoBitRate = videoParser->VideoBitRateL(); |
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313 LOGGER_WRITE_1( "videoBitRate: %d", videoBitRate); |
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314 AppendTUintDataFieldL( buffer, videoBitRate, KSconVideoVideoBitRate ); |
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315 |
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316 TInt audioBitRate = videoParser->AudioBitRateL(); |
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317 LOGGER_WRITE_1( "audioBitRate: %d", audioBitRate); |
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318 AppendTUintDataFieldL( buffer, audioBitRate, KSconVideoAudioBitRate ); |
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319 |
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320 TInt durationMs = videoParser->DurationL(); |
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321 LOGGER_WRITE_1( "duration ms: %d", durationMs); |
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322 AppendTUintDataFieldL( buffer, durationMs, KSconVideoDuration ); |
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323 |
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324 TPtrC8 thumbnail = videoParser->Thumbnail(); |
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325 if ( thumbnail.Length() > 0 ) |
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326 { |
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327 AppendByteDataFieldL( buffer, thumbnail, KSconVideoThumbnail ); |
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328 } |
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329 |
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330 TPtrC audioMimeType = videoParser->AudioMimeTypeL(); |
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331 if ( audioMimeType.Length() > 0 ) |
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332 { |
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333 AppendUtf8DataFieldL( buffer, audioMimeType, KSconVideoAudioStreamMimetype ); |
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334 } |
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335 |
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336 TPtrC videoMimeType = videoParser->VideoMimeTypeL(); |
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337 if ( videoMimeType.Length() > 0 ) |
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338 { |
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339 AppendUtf8DataFieldL( buffer, formatMimeType, KSconVideoVideoStreamMimetype ); |
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340 } |
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341 |
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342 CleanupStack::PopAndDestroy( videoParser ); |
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343 LOGGER_WRITE( "videoParser deleted" ); |
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344 |
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345 |
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346 if ( buffer->Size() > 0 ) |
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347 { |
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348 if ( aTask.iGetMetadataParams->iData ) |
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349 { |
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350 delete aTask.iGetMetadataParams->iData; |
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351 aTask.iGetMetadataParams->iData = NULL; |
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352 } |
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353 //Initialize the task data buffer |
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354 aTask.iGetMetadataParams->iData = HBufC8::NewL( buffer->Size() ); |
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355 TPtr8 dataPtr = aTask.iGetMetadataParams->iData->Des(); |
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356 |
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357 buffer->Read( 0, dataPtr, buffer->Size() ); |
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358 } |
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359 CleanupStack::PopAndDestroy( buffer ); |
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360 |
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361 |
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362 TRACE_FUNC_EXIT; |
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363 } |
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364 |
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365 // ----------------------------------------------------------------------------- |
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366 // SConMetadata::AudioFieldId() |
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367 // Map TMetaDataFieldId to KSconAudio field id |
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368 // ----------------------------------------------------------------------------- |
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369 // |
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370 TUint8 SConMetadata::AudioFieldId( const TMetaDataFieldId fieldId ) |
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371 { |
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372 TUint8 ret(NULL); |
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373 switch( fieldId ) |
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374 { |
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375 case EMetaDataSongTitle : |
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376 ret = KSconAudioTitle; |
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377 break; |
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378 case EMetaDataArtist : |
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379 ret = KSconAudioArtist; |
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380 break; |
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381 case EMetaDataAlbum : |
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382 ret = KSconAudioAlbum; |
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383 break; |
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384 case EMetaDataYear : |
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385 ret = KSconAudioYear; |
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386 break; |
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387 case EMetaDataComment : |
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388 ret = KSconAudioComment; |
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389 break; |
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390 case EMetaDataAlbumTrack : |
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391 ret = KSconAudioAlbumTrack; |
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392 break; |
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393 case EMetaDataGenre : |
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394 ret = KSconAudioGenre; |
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395 break; |
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396 case EMetaDataComposer : |
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397 ret = KSconAudioComposer; |
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398 break; |
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399 case EMetaDataCopyright : |
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400 ret = KSconAudioCopyright; |
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401 break; |
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402 case EMetaDataOriginalArtist : |
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403 ret = KSconAudioOriginalArtist; |
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404 break; |
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405 case EMetaDataUrl : |
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406 ret = KSconAudioUrl; |
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407 break; |
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408 case EMetaDataUserUrl : |
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409 ret = KSconAudioUserUrl; |
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410 break; |
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411 case EMetaDataJpeg : |
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412 ret = KSconAudioJpeg; |
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413 break; |
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414 case EMetaDataVendor : |
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415 ret = KSconAudioVendor; |
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416 break; |
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417 case EMetaDataRating : |
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418 ret = KSconAudioRating; |
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419 break; |
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420 case EMetaDataUniqueFileIdentifier : |
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421 ret = KSconAudioUniqueFileIdentifier; |
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422 break; |
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423 case EMetaDataDuration : |
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424 ret = KSconAudioDuration; |
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425 break; |
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426 case EMetaDataDate : |
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427 ret = KSconAudioDate; |
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428 break; |
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429 default : |
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430 LOGGER_WRITE( "SConMetadata::AudioFieldId : ERR field not defined!" ); |
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431 break; |
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432 } |
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433 return ret; |
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434 } |
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435 |
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436 |
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437 // ----------------------------------------------------------------------------- |
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438 // SConMetadata::GetExifTagL( CExifRead* aReader, const TUint8 aTagID ) |
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439 // This function is used to read exif data that might leave. |
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440 // ----------------------------------------------------------------------------- |
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441 // |
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442 HBufC8* SConMetadata::GetExifTagL( CExifRead* aReader, const TUint8 aTagID ) |
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443 { |
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444 TRACE_FUNC_ENTRY; |
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445 LOGGER_WRITE_1( " aTagID: 0x%02x", aTagID ); |
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446 HBufC8* tempBuf( NULL ); |
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447 |
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448 switch( aTagID ) |
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449 { |
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450 case KSconExifThumbnail: |
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451 tempBuf = aReader->GetThumbnailL(); |
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452 break; |
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453 case KSconExifDescription: |
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454 tempBuf = aReader->GetImageDescriptionL(); |
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455 break; |
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456 case KSconExifMake: |
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457 tempBuf = aReader->GetMakeL(); |
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458 break; |
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459 case KSconExifModel: |
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460 tempBuf = aReader->GetModelL(); |
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461 break; |
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462 case KSconExifDateTime: |
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463 tempBuf = aReader->GetDateTimeL(); |
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464 break; |
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465 case KSconExifSoftware: |
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466 tempBuf = aReader->GetSoftwareL(); |
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467 break; |
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468 case KSconExifCopyright: |
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469 tempBuf = aReader->GetCopyrightL(); |
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470 break; |
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471 case KSconExifIsoSpeedRatings: |
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472 tempBuf = aReader->GetIsoSpeedRatingsL(); |
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473 if ( tempBuf ) |
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474 { |
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475 TInt isoSpeed = ReadTUint32( tempBuf->Des() ); |
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476 LOGGER_WRITE_1(" isoSpeed: %d", isoSpeed); |
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477 delete tempBuf; |
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478 |
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479 const TInt maxLength(5); |
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480 // no need to push on cleanupstack as leave cannot |
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481 // happen before returning tempBuf. |
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482 tempBuf = HBufC8::NewL(maxLength); |
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483 TPtr8 temp = tempBuf->Des(); |
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484 temp.Num( isoSpeed ); |
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485 } |
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486 break; |
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487 case KSconExifDateTimeOriginal: |
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488 tempBuf = aReader->GetDateTimeOriginalL(); |
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489 break; |
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490 case KSconExifDateTimeDigitized: |
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491 tempBuf = aReader->GetDateTimeDigitizedL(); |
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492 break; |
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493 case KSconExifMakerNote: |
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494 // makernote contents are up to the manufacturer |
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495 // not needed. |
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496 User::Leave( KErrNotSupported ); |
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497 break; |
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498 case KSconExifUserComment: |
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499 tempBuf = aReader->GetUserCommentL(); |
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500 break; |
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501 case KSconExifRelatedSoundFile: |
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502 tempBuf = aReader->GetRelatedSoundFileL(); |
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503 break; |
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504 default: |
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505 User::Leave( KErrNotSupported ); |
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506 } |
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507 TRACE_FUNC_EXIT; |
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508 return tempBuf; |
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509 } |
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510 |
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511 // ----------------------------------------------------------------------------- |
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512 // SConMetadata::ReadTUint32() |
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513 // Convert 8-bit binary data to unsigned integer |
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514 // ----------------------------------------------------------------------------- |
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515 // |
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516 TUint32 SConMetadata::ReadTUint32( const TDesC8& aData ) |
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517 { |
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518 TRACE_FUNC_ENTRY; |
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519 TUint32 result = 0; |
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520 TUint8 c; |
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521 |
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522 for (TInt i=aData.Length()-1; i>=0; i--) |
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523 { |
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524 c = aData[i]; |
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525 result = (result << 8) | c; |
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526 } |
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527 |
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528 LOGGER_WRITE_1( "SConMetadata::ReadTUint32() : returned %d ", result ); |
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529 return result; |
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530 } |
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531 |
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532 // ----------------------------------------------------------------------------- |
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533 // SConMetadata::GetFileDataLC() |
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534 // Read data from file |
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535 // ----------------------------------------------------------------------------- |
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536 // |
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537 HBufC8* SConMetadata::GetFileDataLC( const TDesC& aFilename, RFs& aFs ) |
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538 { |
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539 TRACE_FUNC_ENTRY; |
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540 RFile file; |
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541 |
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542 User::LeaveIfError( file.Open( aFs, aFilename, |
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543 EFileRead | EFileShareReadersOnly ) ); |
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544 CleanupClosePushL( file ); |
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545 |
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546 LOGGER_WRITE( "SConMetadata::GetFileDataLC() : file opened" ); |
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547 |
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548 TInt dataSize(0); |
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549 ContentAccess::CContent* content; |
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550 content = ContentAccess::CContent::NewLC( file ); |
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551 ContentAccess::CData* data = content->OpenContentLC( ContentAccess::EPeek ); |
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552 data->DataSizeL(dataSize); |
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553 |
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554 LOGGER_WRITE( "SConMetadata::GetFileDataLC() : content opened" ); |
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555 // Read 64k from the beginning of the file |
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556 if ( dataSize > KJpegLoadBufferSize ) |
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557 { |
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558 dataSize = KJpegLoadBufferSize; |
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559 } |
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560 HBufC8* readBuffer = HBufC8::NewLC( dataSize ); |
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561 TPtr8 readPtr = readBuffer->Des(); |
|
562 User::LeaveIfError( data->Read( readPtr, dataSize ) ); |
|
563 |
|
564 LOGGER_WRITE( "SConMetadata::GetFileDataLC() : data readed" ); |
|
565 CleanupStack::Pop( readBuffer ); |
|
566 CleanupStack::PopAndDestroy( data ); |
|
567 CleanupStack::PopAndDestroy( content ); |
|
568 CleanupStack::PopAndDestroy( &file ); |
|
569 |
|
570 CleanupStack::PushL( readBuffer ); |
|
571 TRACE_FUNC_EXIT; |
|
572 return readBuffer; |
|
573 } |
|
574 |
|
575 // ----------------------------------------------------------------------------- |
|
576 // SConMetadata::ReadExifDataL() |
|
577 // Read Exif data |
|
578 // ----------------------------------------------------------------------------- |
|
579 // |
|
580 void SConMetadata::ReadExifDataL( CSConTask& aTask, RFs& aFs ) |
|
581 { |
|
582 TRACE_FUNC_ENTRY; |
|
583 |
|
584 // read data from file |
|
585 HBufC8* jpegReadBuffer = GetFileDataLC( aTask.iGetMetadataParams->iFilename, aFs ); |
|
586 |
|
587 CExifRead* reader = CExifRead::NewL( |
|
588 *jpegReadBuffer, CExifRead::ENoJpeg | CExifRead::ENoTagChecking ); |
|
589 |
|
590 LOGGER_WRITE( "SConMetadata::ReadExifDataL() : reader created" ); |
|
591 CleanupStack::PopAndDestroy( jpegReadBuffer ); |
|
592 CleanupStack::PushL( reader ); |
|
593 |
|
594 |
|
595 CBufFlat* buffer = CBufFlat::NewL( KBufferSize ); |
|
596 CleanupStack::PushL( buffer ); |
|
597 buffer->Reset(); |
|
598 |
|
599 |
|
600 TInt offset(0); |
|
601 // header id (1 byte) + head.version (1 byte) = 2 bytes |
|
602 |
|
603 buffer->ExpandL( offset, 2 ); |
|
604 |
|
605 // header id |
|
606 TUint8 value( KSconMetadataHeaderExif ); |
|
607 buffer->Write( offset, TPtrC8(&value, 1) ); |
|
608 offset++; |
|
609 |
|
610 // header version |
|
611 value = KSconMetadataHeaderVersion; |
|
612 buffer->Write( offset, TPtrC8(&value, 1) ); |
|
613 offset++; |
|
614 |
|
615 |
|
616 HBufC8* tempBuf(NULL); |
|
617 |
|
618 TInt err; |
|
619 |
|
620 for ( TInt tagID = KSconExifThumbnail; tagID < KSconExifGpsVersion; tagID++ ) |
|
621 { |
|
622 // GetExifTagL function is used only to tags that leaves if data is not found |
|
623 TRAP( err, tempBuf = GetExifTagL( reader, tagID ) ); |
|
624 if ( !err ) |
|
625 { |
|
626 LOGGER_WRITE("write to buffer"); |
|
627 CleanupStack::PushL( tempBuf ); |
|
628 AppendByteDataFieldL( buffer, tempBuf->Des(), tagID ); |
|
629 CleanupStack::PopAndDestroy( tempBuf ); |
|
630 tempBuf = NULL; |
|
631 } |
|
632 else |
|
633 { |
|
634 LOGGER_WRITE_1( "GetExifTagL Leave code %d", err ); |
|
635 } |
|
636 } |
|
637 |
|
638 |
|
639 TUint16 value16a; |
|
640 TUint32 value32a; |
|
641 TUint32 value32b; |
|
642 TInt32 val32a; |
|
643 TInt32 val32b; |
|
644 |
|
645 // Orientation |
|
646 err = reader->GetOrientation( value16a ); |
|
647 if ( !err ) |
|
648 { |
|
649 AppendTUintDataFieldL( buffer, value16a, KSconExifOrientation ); |
|
650 } |
|
651 |
|
652 // XResolution |
|
653 err = reader->GetXResolution( value32a, value32b ); |
|
654 if ( !err ) |
|
655 { |
|
656 AppendTUintDataFieldL( buffer, value32a, KSconExifXResolution1 ); |
|
657 AppendTUintDataFieldL( buffer, value32b, KSconExifXResolution2 ); |
|
658 } |
|
659 |
|
660 // YResolution |
|
661 err = reader->GetYResolution( value32a, value32b ); |
|
662 if ( !err ) |
|
663 { |
|
664 AppendTUintDataFieldL( buffer, value32a, KSconExifYResolution1 ); |
|
665 AppendTUintDataFieldL( buffer, value32b, KSconExifYResolution2 ); |
|
666 } |
|
667 |
|
668 // ResolutionUnit |
|
669 err = reader->GetResolutionUnit( value16a ); |
|
670 if ( !err ) |
|
671 { |
|
672 AppendTUintDataFieldL( buffer, value16a, KSconExifResolutionUnit ); |
|
673 } |
|
674 |
|
675 // YCbCrPositioning |
|
676 err = reader->GetYCbCrPositioning( value16a ); |
|
677 if ( !err ) |
|
678 { |
|
679 AppendTUintDataFieldL( buffer, value16a, KSconExifYCbCrPositioning ); |
|
680 } |
|
681 |
|
682 // YCbCrPositioning |
|
683 err = reader->GetYCbCrPositioning( value16a ); |
|
684 if ( !err ) |
|
685 { |
|
686 AppendTUintDataFieldL( buffer, value16a, KSconExifYCbCrPositioning ); |
|
687 } |
|
688 |
|
689 |
|
690 // ExposureTime |
|
691 err = reader->GetExposureTime( value32a, value32b ); |
|
692 if ( !err ) |
|
693 { |
|
694 AppendTUintDataFieldL( buffer, value32a, KSconExifExposureTime1 ); |
|
695 AppendTUintDataFieldL( buffer, value32b, KSconExifExposureTime2 ); |
|
696 } |
|
697 |
|
698 // ComponentsConfiguration |
|
699 TUint8 value8a; |
|
700 TUint8 value8b; |
|
701 TUint8 value8c; |
|
702 TUint8 value8d; |
|
703 err = reader->GetComponentsConfiguration( value8a, value8b, value8c, value8d ); |
|
704 if ( !err ) |
|
705 { |
|
706 TInt offset; |
|
707 offset = buffer->Size(); |
|
708 |
|
709 // field ID (1 byte) + field lenght (4 bytes) + field data (4bytes) = 9 bytes |
|
710 buffer->ExpandL( offset, 9 ); |
|
711 |
|
712 // field id (one byte) |
|
713 TUint8 fieldId( KSconExifComponentsConfiguration ); |
|
714 buffer->Write( offset, TPtrC8( &fieldId, 1 ) ); |
|
715 offset++; |
|
716 |
|
717 // field lenght |
|
718 WriteTUint32( buffer, offset, 4); |
|
719 offset += 4; |
|
720 |
|
721 buffer->Write( offset, TPtrC8(&value8a, 1) ); |
|
722 offset++; |
|
723 buffer->Write( offset, TPtrC8(&value8b, 1) ); |
|
724 offset++; |
|
725 buffer->Write( offset, TPtrC8(&value8c, 1) ); |
|
726 offset++; |
|
727 buffer->Write( offset, TPtrC8(&value8d, 1) ); |
|
728 offset++; |
|
729 } |
|
730 |
|
731 // Flash |
|
732 err = reader->GetFlash( value16a ); |
|
733 if ( !err ) |
|
734 { |
|
735 AppendTUintDataFieldL( buffer, value16a, KSconExifFlash ); |
|
736 } |
|
737 |
|
738 // ColorSpace |
|
739 err = reader->GetColorSpace( value16a ); |
|
740 if ( !err ) |
|
741 { |
|
742 AppendTUintDataFieldL( buffer, value16a, KSconExifColorSpace ); |
|
743 } |
|
744 |
|
745 // PixelXDimension |
|
746 err = reader->GetPixelXDimension( value32a ); |
|
747 if ( !err ) |
|
748 { |
|
749 AppendTUintDataFieldL( buffer, value32a, KSconExifPixelXDimension ); |
|
750 } |
|
751 |
|
752 // PixelYDimension |
|
753 err = reader->GetPixelYDimension( value32a ); |
|
754 if ( !err ) |
|
755 { |
|
756 AppendTUintDataFieldL( buffer, value32a, KSconExifPixelYDimension ); |
|
757 } |
|
758 |
|
759 // ExposureMode |
|
760 err = reader->GetExposureMode( value16a ); |
|
761 if ( !err ) |
|
762 { |
|
763 AppendTUintDataFieldL( buffer, value16a, KSconExifExposureMode ); |
|
764 } |
|
765 |
|
766 // WhiteBalance |
|
767 err = reader->GetWhiteBalance( value16a ); |
|
768 if ( !err ) |
|
769 { |
|
770 AppendTUintDataFieldL( buffer, value16a, KSconExifWhiteBalance ); |
|
771 } |
|
772 |
|
773 // SceneCaptureType |
|
774 err = reader->GetSceneCaptureType( value16a ); |
|
775 if ( !err ) |
|
776 { |
|
777 AppendTUintDataFieldL( buffer, value16a, KSconExifSceneCaptureType ); |
|
778 } |
|
779 |
|
780 // ExposureProgram |
|
781 err = reader->GetExposureProgram( value16a ); |
|
782 if ( !err ) |
|
783 { |
|
784 AppendTUintDataFieldL( buffer, value16a, KSconExifExposureProgram ); |
|
785 } |
|
786 |
|
787 // GetApertureValue |
|
788 err = reader->GetApertureValue( value32a, value32b ); |
|
789 if ( !err ) |
|
790 { |
|
791 AppendTUintDataFieldL( buffer, value32a, KSconExifApertureValue1 ); |
|
792 AppendTUintDataFieldL( buffer, value32b, KSconExifApertureValue2 ); |
|
793 } |
|
794 |
|
795 // GetExposureBiasValue |
|
796 err = reader->GetExposureBiasValue( val32a, val32b ); |
|
797 if ( !err ) |
|
798 { |
|
799 value32a = val32a; |
|
800 value32b = val32b; |
|
801 AppendTUintDataFieldL( buffer, value32a, KSconExifExposureBiasValue1 ); |
|
802 AppendTUintDataFieldL( buffer, value32b, KSconExifExposureBiasValue2 ); |
|
803 } |
|
804 |
|
805 // GetMeteringMode |
|
806 err = reader->GetMeteringMode( value16a ); |
|
807 if ( !err ) |
|
808 { |
|
809 AppendTUintDataFieldL( buffer, value16a, KSconExifMeteringMode ); |
|
810 } |
|
811 |
|
812 // GetLightSource |
|
813 err = reader->GetLightSource( value16a ); |
|
814 if ( !err ) |
|
815 { |
|
816 AppendTUintDataFieldL( buffer, value16a, KSconExifLightSource ); |
|
817 } |
|
818 |
|
819 // GetFileSource |
|
820 TInt8 val8; |
|
821 err = reader->GetFileSource( val8 ); |
|
822 if ( !err ) |
|
823 { |
|
824 value8a = val8; |
|
825 AppendTUintDataFieldL( buffer, value8a, KSconExifFileSource ); |
|
826 } |
|
827 |
|
828 // GetDigitalZoomRatio |
|
829 err = reader->GetDigitalZoomRatio( value32a, value32b ); |
|
830 if ( !err ) |
|
831 { |
|
832 AppendTUintDataFieldL( buffer, value32a, KSconExifDigitalZoomRatio1 ); |
|
833 AppendTUintDataFieldL( buffer, value32b, KSconExifDigitalZoomRatio2 ); |
|
834 } |
|
835 |
|
836 // GetContrast |
|
837 err = reader->GetContrast( value16a ); |
|
838 if ( !err ) |
|
839 { |
|
840 AppendTUintDataFieldL( buffer, value16a, KSconExifContrast ); |
|
841 } |
|
842 |
|
843 // GetSaturation |
|
844 err = reader->GetSaturation( value16a ); |
|
845 if ( !err ) |
|
846 { |
|
847 AppendTUintDataFieldL( buffer, value16a, KSconExifSaturation ); |
|
848 } |
|
849 |
|
850 // GetSharpness |
|
851 err = reader->GetSharpness( value16a ); |
|
852 if ( !err ) |
|
853 { |
|
854 AppendTUintDataFieldL( buffer, value16a, KSconExifSharpness ); |
|
855 } |
|
856 |
|
857 // GetExifVersion |
|
858 err = reader->GetExifVersion( value32a ); |
|
859 if ( !err ) |
|
860 { |
|
861 AppendTUintDataFieldL( buffer, value32a, KSconExifExifVersion ); |
|
862 } |
|
863 |
|
864 // GetFlashPixVersion |
|
865 err = reader->GetFlashPixVersion( value32a ); |
|
866 if ( !err ) |
|
867 { |
|
868 AppendTUintDataFieldL( buffer, value32a, KSconExifFlashPixVersion ); |
|
869 } |
|
870 |
|
871 // GetThumbnailXResolution |
|
872 err = reader->GetThumbnailXResolution( value32a, value32b ); |
|
873 if ( !err ) |
|
874 { |
|
875 AppendTUintDataFieldL( buffer, value32a, KSconExifThumbXResolution1 ); |
|
876 AppendTUintDataFieldL( buffer, value32b, KSconExifThumbXResolution2 ); |
|
877 } |
|
878 |
|
879 // GetThumbnailYResolution |
|
880 err = reader->GetThumbnailYResolution( value32a, value32b ); |
|
881 if ( !err ) |
|
882 { |
|
883 AppendTUintDataFieldL( buffer, value32a, KSconExifThumbYResolution1 ); |
|
884 AppendTUintDataFieldL( buffer, value32b, KSconExifThumbYResolution2 ); |
|
885 } |
|
886 |
|
887 // GetThumbnailResolutionUnit |
|
888 err = reader->GetThumbnailResolutionUnit( value16a ); |
|
889 if ( !err ) |
|
890 { |
|
891 AppendTUintDataFieldL( buffer, value16a, KSconExifThumbResolutionUnit ); |
|
892 } |
|
893 |
|
894 // GetThumbnailCompression |
|
895 err = reader->GetThumbnailCompression( value16a ); |
|
896 if ( !err ) |
|
897 { |
|
898 AppendTUintDataFieldL( buffer, value16a, KSconExifThumbCompression ); |
|
899 } |
|
900 |
|
901 // GetJpegInterchangeFormat |
|
902 err = reader->GetJpegInterchangeFormat( value32a ); |
|
903 if ( !err ) |
|
904 { |
|
905 AppendTUintDataFieldL( buffer, value32a, KSconExifThumbJpegInterchangeFormat ); |
|
906 } |
|
907 |
|
908 // GetJpegInterchangeFormatLength |
|
909 err = reader->GetJpegInterchangeFormatLength( value32a ); |
|
910 if ( !err ) |
|
911 { |
|
912 AppendTUintDataFieldL( buffer, value32a, KSconExifThumbJpegInterchangeFormatLength ); |
|
913 } |
|
914 |
|
915 // GetShutterSpeedValue |
|
916 err = reader->GetShutterSpeedValue( val32a, val32b ); |
|
917 if ( !err ) |
|
918 { |
|
919 value32a = val32a; |
|
920 value32b = val32b; |
|
921 AppendTUintDataFieldL( buffer, value32a, KSconExifShutterSpeedValue1 ); |
|
922 AppendTUintDataFieldL( buffer, value32b, KSconExifShutterSpeedValue2 ); |
|
923 } |
|
924 |
|
925 // GetBrightnessValue |
|
926 err = reader->GetBrightnessValue( val32a, val32b ); |
|
927 if ( !err ) |
|
928 { |
|
929 value32a = val32a; |
|
930 value32b = val32b; |
|
931 AppendTUintDataFieldL( buffer, value32a, KSconExifBrightnessValue1 ); |
|
932 AppendTUintDataFieldL( buffer, value32b, KSconExifBrightnessValue2 ); |
|
933 } |
|
934 |
|
935 // GetCustomRendered |
|
936 err = reader->GetCustomRendered( value16a ); |
|
937 if ( !err ) |
|
938 { |
|
939 AppendTUintDataFieldL( buffer, value16a, KSconExifCustomRendered ); |
|
940 } |
|
941 |
|
942 // GetGainControl |
|
943 err = reader->GetGainControl( value16a ); |
|
944 if ( !err ) |
|
945 { |
|
946 AppendTUintDataFieldL( buffer, value16a, KSconExifGainControl ); |
|
947 } |
|
948 |
|
949 // GetGpsVersion |
|
950 err = reader->GetGpsVersion( value32a ); |
|
951 if ( !err ) |
|
952 { |
|
953 AppendTUintDataFieldL( buffer, value32a, KSconExifGpsVersion ); |
|
954 } |
|
955 |
|
956 // Get GPS coordinates |
|
957 const TUint KCoordinatesMaxLength = 50; |
|
958 TBuf<KCoordinatesMaxLength> gpsInfo; |
|
959 // Latidute |
|
960 err = GetExifGPSLatitudeL( *reader, gpsInfo ); |
|
961 if ( !err ) |
|
962 { |
|
963 AppendUtf8DataFieldL( buffer, gpsInfo ,KSconExifGPSLatitude ); |
|
964 } |
|
965 |
|
966 // Longitude |
|
967 err = GetExifGPSLongitudeL( *reader, gpsInfo ); |
|
968 if ( !err ) |
|
969 { |
|
970 AppendUtf8DataFieldL( buffer, gpsInfo ,KSconExifGPSLongitude ); |
|
971 } |
|
972 |
|
973 // Altidute |
|
974 err = GetExifGPSAltiduteL( *reader, gpsInfo ); |
|
975 if ( !err ) |
|
976 { |
|
977 AppendUtf8DataFieldL( buffer, gpsInfo ,KSconExifGPSAltitude ); |
|
978 } |
|
979 |
|
980 LOGGER_WRITE( "SConMetadata::ReadExifDataL() : All data collected" ); |
|
981 |
|
982 if ( buffer->Size() > 0 ) |
|
983 { |
|
984 LOGGER_WRITE_1( "SConMetadata::ReadExifDataL() : buffer->Size() %d", buffer->Size() ); |
|
985 if ( aTask.iGetMetadataParams->iData ) |
|
986 { |
|
987 delete aTask.iGetMetadataParams->iData; |
|
988 aTask.iGetMetadataParams->iData = NULL; |
|
989 } |
|
990 //Initialize the task data buffer |
|
991 aTask.iGetMetadataParams->iData = HBufC8::NewL( buffer->Size() ); |
|
992 TPtr8 dataPtr = aTask.iGetMetadataParams->iData->Des(); |
|
993 |
|
994 buffer->Read( 0, dataPtr, buffer->Size() ); |
|
995 LOGGER_WRITE_1( "SConMetadata::ReadExifDataL() dataPtr len: %d", dataPtr.Length()); |
|
996 } |
|
997 CleanupStack::PopAndDestroy( buffer ); |
|
998 |
|
999 LOGGER_WRITE( "SConMetadata::ReadExifDataL() : task updated" ); |
|
1000 |
|
1001 CleanupStack::PopAndDestroy( reader ); |
|
1002 TRACE_FUNC_EXIT; |
|
1003 } |
|
1004 |
|
1005 // ----------------------------------------------------------------------------- |
|
1006 // void SConMetadata::ConvertRationalTag( const CExifTag& aTag, TDes& aPosDegrees ) |
|
1007 // parses degrees, minutes and seconds from CExifTag and converts it to string format |
|
1008 // ----------------------------------------------------------------------------- |
|
1009 // |
|
1010 TInt SConMetadata::ConvertRationalTag( const CExifTag& aTag, TDes& aPosDegrees ) |
|
1011 { |
|
1012 TRACE_FUNC_ENTRY; |
|
1013 TInt numer(0); |
|
1014 TInt denom(0); |
|
1015 TReal64 degrees(0); |
|
1016 TReal64 minutes(0); |
|
1017 TReal64 seconds(0); |
|
1018 |
|
1019 const TUint8* ratData = aTag.Data().Ptr(); |
|
1020 for ( TUint y=0; y < aTag.TagInfo().iDataCount; y++ ) |
|
1021 { |
|
1022 numer = 0; |
|
1023 denom = 0; |
|
1024 Mem::Copy(&numer, ratData + ((y * 2) * sizeof(numer)), sizeof(numer)); |
|
1025 Mem::Copy(&denom, ratData + (((y * 2) + 1) * sizeof(numer)), sizeof(denom)); |
|
1026 if (denom != 0) |
|
1027 { |
|
1028 if ( y == 0 )// degrees |
|
1029 { |
|
1030 degrees = numer/denom; |
|
1031 } |
|
1032 else if ( y == 1 )// minutes |
|
1033 { |
|
1034 minutes = numer/denom; |
|
1035 } |
|
1036 else if ( y == 2 )// seconds |
|
1037 { |
|
1038 seconds = numer/denom; |
|
1039 } |
|
1040 } |
|
1041 } |
|
1042 _LIT(KFormat, "%.0f°%.0f'%.2f\"" ); |
|
1043 aPosDegrees.Format( KFormat, degrees, minutes, seconds ); |
|
1044 TRACE_FUNC_EXIT; |
|
1045 return KErrNone; |
|
1046 } |
|
1047 |
|
1048 // ----------------------------------------------------------------------------- |
|
1049 // void SConMetadata::GetExifGPSLatitudeL( CExifRead& aExifRead, TDes& aLatitude ) |
|
1050 // Read latidute from ExifReader |
|
1051 // ----------------------------------------------------------------------------- |
|
1052 // |
|
1053 TInt SConMetadata::GetExifGPSLatitudeL( CExifRead& aExifRead, TDes& aLatitude ) |
|
1054 { |
|
1055 TRACE_FUNC_ENTRY; |
|
1056 TInt ret(KErrNone); |
|
1057 if ( aExifRead.TagExists( KGPSLatitudeRef, EIfdGps ) |
|
1058 && aExifRead.TagExists( KGPSLatitude, EIfdGps) ) |
|
1059 { |
|
1060 // get latidute |
|
1061 const CExifTag* lat = aExifRead.GetTagL( |
|
1062 EIfdGps, |
|
1063 KGPSLatitude ); |
|
1064 User::LeaveIfError( ConvertRationalTag( *lat, aLatitude ) ); |
|
1065 if ( aLatitude.Length()+2 > aLatitude.MaxLength() ) |
|
1066 { |
|
1067 User::Leave( KErrTooBig ); |
|
1068 } |
|
1069 |
|
1070 // south or north |
|
1071 const CExifTag* latRef = aExifRead.GetTagL( |
|
1072 EIfdGps, |
|
1073 KGPSLatitudeRef ); |
|
1074 _LIT8( KNorthTagDef8, "N" ); |
|
1075 _LIT( KNorth, "N " ); |
|
1076 _LIT( KSouth, "S " ); |
|
1077 if ( latRef->Data().Find( KNorthTagDef8 ) != KErrNotFound ) |
|
1078 { |
|
1079 aLatitude.Insert( 0, KNorth ); |
|
1080 } |
|
1081 else |
|
1082 { |
|
1083 aLatitude.Insert( 0, KSouth ); |
|
1084 } |
|
1085 } |
|
1086 else |
|
1087 { |
|
1088 ret=KErrNotFound; |
|
1089 } |
|
1090 TRACE_FUNC_EXIT; |
|
1091 return ret; |
|
1092 } |
|
1093 |
|
1094 // ----------------------------------------------------------------------------- |
|
1095 // void SConMetadata::GetExifGPSLongitudeL( CExifRead& aExifRead, TDes& aLongitude ) |
|
1096 // Read longitude from ExifReader |
|
1097 // ----------------------------------------------------------------------------- |
|
1098 // |
|
1099 TInt SConMetadata::GetExifGPSLongitudeL( CExifRead& aExifRead, TDes& aLongitude ) |
|
1100 { |
|
1101 TRACE_FUNC_ENTRY; |
|
1102 TInt ret(KErrNone); |
|
1103 if ( aExifRead.TagExists( KGPSLongitudeRef, EIfdGps ) |
|
1104 && aExifRead.TagExists( KGPSLongitude, EIfdGps) ) |
|
1105 { |
|
1106 // get longitude |
|
1107 const CExifTag* lon = aExifRead.GetTagL( |
|
1108 EIfdGps, |
|
1109 KGPSLongitude ); |
|
1110 User::LeaveIfError( ConvertRationalTag( *lon, aLongitude ) ); |
|
1111 if ( aLongitude.Length()+2 > aLongitude.MaxLength() ) |
|
1112 { |
|
1113 User::Leave( KErrTooBig ); |
|
1114 } |
|
1115 |
|
1116 // east or west |
|
1117 const CExifTag* lonref = aExifRead.GetTagL( |
|
1118 EIfdGps, |
|
1119 KGPSLongitudeRef ); |
|
1120 _LIT8( KEastTagDef8, "E" ); |
|
1121 _LIT( KEast, "E " ); |
|
1122 _LIT( KWest, "W " ); |
|
1123 if ( lonref->Data().Find( KEastTagDef8 ) != KErrNotFound ) |
|
1124 { |
|
1125 aLongitude.Insert( 0, KEast ); |
|
1126 } |
|
1127 else |
|
1128 { |
|
1129 aLongitude.Insert( 0, KWest ); |
|
1130 } |
|
1131 } |
|
1132 else |
|
1133 { |
|
1134 ret = KErrNotFound; |
|
1135 } |
|
1136 TRACE_FUNC_EXIT; |
|
1137 return ret; |
|
1138 } |
|
1139 |
|
1140 // ----------------------------------------------------------------------------- |
|
1141 // void SConMetadata::GetExifGPSAltiduteL( CExifRead& aExifRead, TDes& aAltidute ) |
|
1142 // Read altidute from ExifReader |
|
1143 // ----------------------------------------------------------------------------- |
|
1144 // |
|
1145 TInt SConMetadata::GetExifGPSAltiduteL( CExifRead& aExifRead, TDes& aAltidute ) |
|
1146 { |
|
1147 TRACE_FUNC_ENTRY; |
|
1148 |
|
1149 TInt ret(KErrNone); |
|
1150 if ( aExifRead.TagExists( KGPSAltitudeRef, EIfdGps ) |
|
1151 && aExifRead.TagExists( KGPSAltitude, EIfdGps) ) |
|
1152 { |
|
1153 if ( aAltidute.MaxLength() < 5 ) |
|
1154 { |
|
1155 User::Leave( KErrTooBig ); |
|
1156 } |
|
1157 |
|
1158 // get altidute |
|
1159 const CExifTag* alt = aExifRead.GetTagL( |
|
1160 EIfdGps, |
|
1161 KGPSAltitude ); |
|
1162 const TUint8* ratData = alt->Data().Ptr(); |
|
1163 |
|
1164 TInt numer; |
|
1165 TInt denom; |
|
1166 Mem::Copy(&numer, ratData , sizeof(numer)); |
|
1167 Mem::Copy(&denom, ratData + (sizeof(numer)), sizeof(denom)); |
|
1168 |
|
1169 TReal32 tmp = numer / denom; |
|
1170 |
|
1171 // sea level |
|
1172 const CExifTag* altref = aExifRead.GetTagL( |
|
1173 EIfdGps, |
|
1174 KGPSAltitudeRef ); |
|
1175 _LIT8( KAltSealevelDef8, "1" ); |
|
1176 if ( altref->Data().Find( KAltSealevelDef8 ) != KErrNotFound ) |
|
1177 { |
|
1178 // seaLevelReference -> negative value |
|
1179 tmp *= -1; |
|
1180 } |
|
1181 TRealFormat format; |
|
1182 format.iType = KRealFormatFixed; |
|
1183 format.iPlaces=1; |
|
1184 User::LeaveIfError( aAltidute.Num( tmp, format ) ); |
|
1185 } |
|
1186 else |
|
1187 { |
|
1188 ret = KErrNotFound; |
|
1189 } |
|
1190 TRACE_FUNC_EXIT; |
|
1191 return ret; |
|
1192 } |
|
1193 |
|
1194 // ----------------------------------------------------------------------------- |
|
1195 // void SConMetadata::AppendUtf8DataFieldL( CBufFlat* aBuffer, |
|
1196 // const TPtrC aAppendData, const TUint8 aFieldId ) |
|
1197 // Write 8bit field id value, data length (32bit) and UTF8 data to buffer |
|
1198 // ----------------------------------------------------------------------------- |
|
1199 // |
|
1200 void SConMetadata::AppendUtf8DataFieldL( CBufFlat* aBuffer, |
|
1201 const TPtrC aAppendData, const TUint8 aFieldId ) |
|
1202 { |
|
1203 TRACE_FUNC_ENTRY; |
|
1204 LOGGER_WRITE_1( "aFieldId: 0x%02x", aFieldId); |
|
1205 HBufC8* tempBuf = HBufC8::NewLC( aAppendData.Size() ); |
|
1206 TPtr8 temp = tempBuf->Des(); |
|
1207 |
|
1208 CnvUtfConverter::ConvertFromUnicodeToUtf8( temp, aAppendData ); |
|
1209 LOGGER_WRITE_1( "lenght: %d", temp.Length() ); |
|
1210 |
|
1211 if ( temp.Length() > KFieldMaxLength ) |
|
1212 { |
|
1213 LOGGER_WRITE("Data length is too big, field skipped"); |
|
1214 CleanupStack::PopAndDestroy( tempBuf ); |
|
1215 return; |
|
1216 } |
|
1217 |
|
1218 TInt offset; |
|
1219 offset = aBuffer->Size(); |
|
1220 // field ID (1 byte) + field lenght (4 bytes) + field data |
|
1221 aBuffer->ExpandL( offset, temp.Length() + 5 ); |
|
1222 |
|
1223 // field id (one byte) |
|
1224 aBuffer->Write( offset, TPtrC8(&aFieldId, 1) ); |
|
1225 offset++; |
|
1226 |
|
1227 WriteTUint32( aBuffer, offset, temp.Length()); |
|
1228 offset += 4; |
|
1229 |
|
1230 // field data |
|
1231 aBuffer->Write( offset, temp, temp.Length() ); |
|
1232 offset += temp.Length(); |
|
1233 |
|
1234 CleanupStack::PopAndDestroy( tempBuf ); |
|
1235 |
|
1236 TRACE_FUNC_EXIT; |
|
1237 } |
|
1238 |
|
1239 // ----------------------------------------------------------------------------- |
|
1240 // void SConMetadata::AppendByteDataFieldL( CBufFlat* aBuffer, |
|
1241 // const TPtrC8 aAppendData, const TUint8 aFieldId ) |
|
1242 // Write 8bit field id value, data length (32bit) and n*8bit data to buffer |
|
1243 // ----------------------------------------------------------------------------- |
|
1244 // |
|
1245 void SConMetadata::AppendByteDataFieldL( CBufFlat* aBuffer, |
|
1246 const TPtrC8 aAppendData, const TUint8 aFieldId ) |
|
1247 { |
|
1248 TRACE_FUNC_ENTRY; |
|
1249 LOGGER_WRITE_1( "aFieldId: 0x%02x", aFieldId); |
|
1250 LOGGER_WRITE_1( "lenght: %d", aAppendData.Length() ); |
|
1251 if ( aAppendData.Length() > KFieldMaxLength ) |
|
1252 { |
|
1253 LOGGER_WRITE("Data length is too big, field skipped"); |
|
1254 return; |
|
1255 } |
|
1256 TInt offset; |
|
1257 offset = aBuffer->Size(); |
|
1258 |
|
1259 // field id (1) + field len (4) + datalen = 5 + datalen |
|
1260 aBuffer->ExpandL( offset, aAppendData.Length() + 5 ); |
|
1261 |
|
1262 // field id (one byte) |
|
1263 aBuffer->Write( offset, TPtrC8(&aFieldId, 1) ); |
|
1264 offset++; |
|
1265 |
|
1266 // field data length (32bit unsigned integer, two byte) |
|
1267 WriteTUint32( aBuffer, offset, aAppendData.Length() ); |
|
1268 offset += 4; |
|
1269 |
|
1270 // field data |
|
1271 aBuffer->Write( offset, aAppendData ); |
|
1272 offset += aAppendData.Length(); |
|
1273 |
|
1274 TRACE_FUNC_EXIT; |
|
1275 } |
|
1276 |
|
1277 // ----------------------------------------------------------------------------- |
|
1278 // void SConMetadata::AppendTUintDataFieldL( CBufFlat* aBuffer, |
|
1279 // const TUint32 aValue, const TUint8 aFieldId ) |
|
1280 // Write 8bit field id value, data length (16bit) and n*8bit data to buffer |
|
1281 // ----------------------------------------------------------------------------- |
|
1282 // |
|
1283 void SConMetadata::AppendTUintDataFieldL( CBufFlat* aBuffer, |
|
1284 TUint32 aValue, const TUint8 aFieldId ) |
|
1285 { |
|
1286 TRACE_FUNC_ENTRY; |
|
1287 LOGGER_WRITE_1( "aFieldId: 0x%02x", aFieldId); |
|
1288 LOGGER_WRITE_1( "aValue dec: %u", aValue); |
|
1289 TInt offset; |
|
1290 offset = aBuffer->Size(); |
|
1291 TInt dataLen(1); |
|
1292 TUint8 temp[4]; |
|
1293 TInt i(0); |
|
1294 |
|
1295 temp[i] = aValue & 0xFF; |
|
1296 |
|
1297 aValue >>= 8; |
|
1298 while( aValue > 0 ) |
|
1299 { |
|
1300 i++; |
|
1301 temp[i] = aValue & 0xFF; |
|
1302 aValue >>= 8; |
|
1303 dataLen++; |
|
1304 } |
|
1305 // field id (1) + field len (4) + datalen = 5 + datalen |
|
1306 aBuffer->ExpandL( offset, 5 + dataLen ); |
|
1307 |
|
1308 // field id (one byte) |
|
1309 aBuffer->Write( offset, TPtrC8(&aFieldId, 1) ); |
|
1310 offset++; |
|
1311 |
|
1312 // field data length (32bit unsigned integer, two byte) |
|
1313 WriteTUint32( aBuffer, offset, dataLen ); |
|
1314 offset += 4; |
|
1315 |
|
1316 // field data |
|
1317 for( TInt i = dataLen-1; i>=0; i-- ) |
|
1318 { |
|
1319 aBuffer->Write( offset, TPtrC8(&temp[i], 1) ); |
|
1320 offset++; |
|
1321 } |
|
1322 |
|
1323 TRACE_FUNC_EXIT; |
|
1324 } |
|
1325 |
|
1326 // ----------------------------------------------------------------------------- |
|
1327 // void SConMetadata::WriteTUint32( CBufFlat* aBuffer, TInt offset, TUint32 aValue ) |
|
1328 // Write 32bit unsigned integer value to buffer. |
|
1329 // ----------------------------------------------------------------------------- |
|
1330 // |
|
1331 void SConMetadata::WriteTUint32( CBufFlat* aBuffer, TInt offset, TUint32 aValue ) |
|
1332 { |
|
1333 TUint8 temp[4]; |
|
1334 TInt i(0); |
|
1335 |
|
1336 temp[i] = aValue & 0xFF; |
|
1337 |
|
1338 aValue >>= 8; |
|
1339 for ( TInt i=1; i<4; i++ ) |
|
1340 { |
|
1341 temp[i] = aValue & 0xFF; |
|
1342 aValue >>= 8; |
|
1343 } |
|
1344 |
|
1345 // high to low |
|
1346 for ( TInt i=3; i>=0; i-- ) |
|
1347 { |
|
1348 aBuffer->Write( offset, TPtrC8(&temp[i], 1) ); |
|
1349 offset++; |
|
1350 } |
|
1351 } |
|
1352 |
|
1353 // End of file |
|