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1 /* |
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2 * Copyright (c) 2007 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: Class used to check the protection of the |
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15 * media files. |
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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 #ifndef MEDIAFILEPROTECTION_H |
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22 #define MEDIAFILEPROTECTION_H |
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23 |
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24 #include "mediafiledialogutils.h" |
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25 #include "mediafilevariation.h" |
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26 |
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27 // INCLUDES |
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28 |
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29 #include <e32base.h> |
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30 #include <DRMHelper.h> |
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31 #include <apgcli.h> // RApaLsSession |
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32 |
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33 |
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34 // CONSTANTS |
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35 |
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36 |
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37 // FORWARD DECLARATIONS |
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38 |
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39 |
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40 |
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41 /** |
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42 * CMFProtectionHandler |
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43 * |
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44 * For gettting media file protection information (eg drm protection). |
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45 * If media is protected and does not have necessary rights it cannot |
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46 * be used eg as ringing tone. |
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47 * |
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48 */ |
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49 NONSHARABLE_CLASS (CMFProtectionHandler) : public CBase |
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50 { |
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51 public: |
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52 // enumeration which tells what is the file used for. |
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53 enum TIntention |
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54 { |
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55 EPlay, |
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56 ESelect |
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57 }; |
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58 |
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59 public:// Constructors and destructor |
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60 |
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61 /** |
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62 * Two-phased constructor. |
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63 */ |
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64 static CMFProtectionHandler* NewL(); |
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65 |
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66 /** |
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67 * Destructor. |
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68 */ |
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69 virtual ~CMFProtectionHandler(); |
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70 |
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71 private: |
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72 |
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73 /** |
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74 * C++ default constructor. |
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75 */ |
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76 CMFProtectionHandler(); |
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77 |
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78 /** |
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79 * By default Symbian OS constructor is private. |
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80 */ |
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81 void ConstructL(); |
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82 |
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83 public: // Functions from base classes |
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84 |
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85 /** |
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86 * Checks if an unprotected file is valid. |
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87 * @param aFileName Full path and filename. |
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88 * @param aIntention Describes what the file is used for. |
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89 * @return ETrue if the file is valid for intended use. |
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90 */ |
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91 TBool IsFileValidL( const TDesC& aFileName, TIntention aIntention ); |
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92 TBool IsFileValid( const TDesC& aFileName, TIntention aIntention ); |
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93 TBool IsVideoValidL( const TDesC& aFileName, TIntention aIntention ); |
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94 TBool IsVideoValid( const TDesC& aFileName, TIntention aIntention ); |
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95 |
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96 void SetAttrL( TInt aAttr, TInt aValue ); |
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97 void SetAttrL( TInt aAttr, const TDesC& aValue ); |
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98 |
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99 |
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100 private: |
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101 /** |
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102 * Return media file type |
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103 */ |
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104 //TInt32 MediaFileType( const TDesC& aFileName ); |
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105 |
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106 /** |
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107 * Set the automated content type |
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108 * @param aAutomatedType: type of automated content |
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109 */ |
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110 void SetAutomatedType( |
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111 CDRMHelper::TDRMHelperAutomatedType aAutomatedType ); |
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112 |
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113 private: |
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114 |
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115 /** |
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116 * Displays an error note. |
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117 * @param @aResourceId Resource ID |
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118 */ |
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119 void ShowErrorNoteL( TInt aResourceId ); |
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120 |
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121 /** |
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122 * Checks if an unprotected file is valid. |
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123 * @param aFileName Full path and filename. |
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124 * @param aIntention Describes what the file is used for. |
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125 * @return ETrue if the file is valid for intended use. |
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126 */ |
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127 TBool IsFileValidUnprotectedL( |
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128 const TDesC& aFileName, TIntention aIntention ); |
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129 |
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130 /** |
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131 * Returns info whether demoplay is allowed for given filetype |
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132 * @param aDataType Tone MIME type |
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133 * @return ETrue if tone allowed to be played |
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134 */ |
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135 //TBool AllowDemoPlay( const TDesC& aDataType ); |
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136 |
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137 /** |
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138 * Returns info whether given filetype is allowed as ringingtone |
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139 * @param aDataType Tone MIME type |
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140 * @return ETrue if tone is allowed to be selected |
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141 */ |
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142 //TBool AllowSelect( const TDesC& aDataType ) const; |
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143 |
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144 /** |
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145 * Finds out the MIME type of a given file |
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146 * @param aFileName File to be checked |
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147 * @return Returns datatype of a file |
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148 */ |
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149 TDataType DataTypeL( const TDesC& aFileName ); |
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150 |
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151 /** |
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152 * Finds out DRM restrictions for a given file |
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153 * @param aFileName File to be checked |
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154 * @param aInfoBits(out) Determines CFM protection |
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155 * @return Returns EFalse if file is corrupted or has no rights |
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156 */ |
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157 TBool GetFileInfoL( const TDesC& aFileName, TInt32& aInfoBits ); |
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158 |
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159 /** |
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160 * Checks if file is WMDRM protected. |
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161 * @param aFileName Name of the file to be checked. |
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162 * @return ETrue if file is WMDRM protected, EFalse otherwise. |
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163 */ |
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164 TBool IsFileWMDRMProtectedL( const TDesC& aFileName ); |
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165 |
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166 TBool CheckFileSize( const TDesC& aFile, const TDesC& aMimeType ); |
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167 |
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168 |
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169 private: |
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170 // DRM common functions |
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171 DRMCommon* iDRMCommon; |
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172 |
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173 // DRM helper |
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174 CDRMHelper* iDRMHelper; |
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175 |
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176 // for finding out drive type (eg memory card) |
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177 CDriveUtil* iDriveUtil; |
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178 |
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179 // for media file list variation |
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180 CMediaFileDialogVariation* iVariation; |
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181 |
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182 // Automated content type |
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183 CDRMHelper::TDRMHelperAutomatedType iAutomatedType; |
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184 |
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185 // max file size |
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186 TInt iMaxFileSize; |
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187 |
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188 // excluded mime types |
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189 CMimeTypeList* iExcludedMimeTypes; |
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190 |
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191 RApaLsSession iApaLsSession; |
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192 RFs iFsSession; |
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193 |
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194 }; |
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195 |
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196 |
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197 |
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198 |
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199 |
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200 #endif // MEDIAFILEPROTECTION_H |
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201 |
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202 // End of File |