mmserv/metadatautility/Src/MetaDataParserWMA.h
changeset 0 71ca22bcf22a
child 33 5e8b14bae8c3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmserv/metadatautility/Src/MetaDataParserWMA.h	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,247 @@
+/*
+* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  This class implements an ID3v1 and v1.1 parser as specified in
+*                www.id3.org.
+*
+*/
+
+
+
+#ifndef CMetaDataParserWMA_H
+#define CMetaDataParserWMA_H
+
+// INCLUDES
+#include <e32base.h>
+#include "MetaDataParser.h"
+#include "MetaDataSource.h"
+#include "MetaDataFieldContainer.h"
+#include "MetaDataField.h"
+
+// CONSTANTS
+
+// CLASS DECLARATION
+
+/**
+*  This class implements a WMA metadata parser.
+*
+*  @lib MetaDataUtility.lib
+*  @since 3.0
+*/
+class CMetaDataParserWMA : public CMetaDataParser
+	{
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        * @param aSource Reference to a metadata source
+        * @return A pointer to a new instance of this class
+        */
+        static CMetaDataParserWMA* NewL( CMetaDataSource& aSource );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CMetaDataParserWMA();
+
+    public: // Functions from base classes
+
+        /**
+        * From CMetaDataParser
+        * Parses the source and if metadata is found, the metadata fields are
+        * inserted into the container.
+        * @since 3.0
+		* @param aWantedFields An array of TMetaDataFieldId's. Empty array is interpreted as all fields.
+        * @param aContainer On return, metadata found in aSource is stored here
+		* @return void
+        */
+		void ParseL( const RArray<TMetaDataFieldId>& aWantedFields, CMetaDataFieldContainer& aContainer );
+
+	private:
+
+        /**
+        * C++ default constructor.
+        */
+		CMetaDataParserWMA( CMetaDataSource& aSource );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+		void ConstructL();
+
+		/**
+		* Validates whether there is ID3v1 tag in the source or not.
+		*/
+		TBool ValidateL();
+
+        /**
+        * Append title to the container, if found.
+        * @return void
+		*/
+		void GetTitleL();
+
+        /**
+        * Append artist to the container, if found.
+        * @return void
+		*/
+		void GetAuthorL();
+
+		/**
+        * Append Copyright to the container, if found.
+        * @return void
+		*/
+		void GetCopyrightL();
+
+		/**
+        * Append Comment to the container, if found.
+        * @return void
+		*/
+		void GetCommentL();
+
+		/**
+        * Append jpeg picture to the container, if found.
+        * @return void
+		*/
+		void GetJpegL();
+		
+		/**
+        * Append duration to the container, if found.
+        * @return void
+		*/
+		void GetDurationL();
+
+		/**
+        * Parses all entries in Content Description Object
+        * @return void
+		*/
+		void ParseContentDescriptionObject();
+
+		/**
+        * Parses all entries in Extended Content Description Object
+        * @return void
+		*/
+		void ParseExtendedContentDescriptionObjectL();
+
+		/**
+        * Gets a Extended Content Description Object Entry
+        * @param aFieldId the field to parse
+        * @param aOffset offset at which to find the field
+        * @return void
+		*/
+		TBool GetExtContDesEntryL(TMetaDataFieldId aFieldId, TInt aOffset);
+
+        /**
+        * Converts to unicode.
+		* @param aDesc Source to be converted to unicode.
+		* @param aUnicode Contains the converted unicode on return.
+        * @return KErrNone if successful, otherwise one of the system errors.
+		*/
+		TInt ConvertToUnicodeL( const TDesC8& aDesc, TDes16& aUnicode );
+
+		/**
+        * Formats Global UID
+        * @return void
+		*/
+ 		void FormatGUID(TDes8 &aGUID);
+
+		/**
+        * Descriptor to 64 bit integer conversion
+        * @return void
+		*/
+		TInt64 ConvertToInt64(TDesC8& aDes);
+
+		/**
+        * Descriptor to 32 bit integer conversion
+        * @return void
+		*/
+		TInt ConvertToInt32(TDesC8& aDes);
+
+		/**
+        * Descriptor to 16 bit integer conversion
+        * @return void
+		*/
+		TInt ConvertToInt16(TDesC8& aDes);
+
+		/**
+        * 8 bit Descriptor to 16 bit Descriptor conversion
+        * @return void
+		*/
+		void ConvertDes8toDes16(const TDesC8& aDes8,TDes16& aDes16);
+
+		/**
+        * Parses all entries in Header Extension Object
+        * @return void
+		*/
+		void ParseHeaderExtensionObjectL();
+		
+		/**
+        * Parses all entries in Metadata Library Object
+        * @return void
+		*/
+		void ParseMetadataLibraryObjectL();
+	private:	// Data
+	
+		// Metadata source
+		CMetaDataSource& iSource;
+		// Header data
+		HBufC8* iHeaderData;
+		// Character Set Id used during Unicode conversion
+    	TUint iCharacterSetId;
+		
+		// offset of Content Description Object
+		TInt iContentDescriptionOffset;
+		// offset of File Properties Object
+		TInt iFilePropertiesOffset;
+		// offset of Extended Content Description Object
+		TInt iExtendedContentDescriptionOffset;
+		// offset of Header Extension Object
+		TInt iHeaderExtensionOffset;
+		TInt64 iHeaderExtensionObjectSize;
+		// offset of Metadata Library Object
+		TInt iMetadataLibraryOffset;
+		TInt64 iMetadataLibraryObjectSize;
+		TInt iMetadataLibraryDescriptionCount;
+		TInt iExtendedContentDescriptionCount;
+		TInt iAlbumTitleOffset;
+		TInt iPictureOffset;
+		TInt iTextOffset;
+		TInt iComposerOffset;
+		TInt iGenreOffset;
+		TInt iYearOffset;
+		TInt iOriginalArtistOffset;
+		TInt iTrackNumberOffset;
+		TInt iUniqueFileIdentifierOffset;
+		TInt iAudioFileURLOffset;
+		TInt iSharedUserRatingOffset;
+		TInt iDateOffset;
+		TInt iLyricsOffset;
+	#ifdef __WINDOWS_MEDIA
+		TInt iProviderOffset;
+	#endif
+
+		TInt iTitleLength;
+		TInt iAuthorLength;
+		TInt iCopyrightLength;
+		TInt iDescriptionLength;
+		TInt iRatingLength;
+		TBool iContentDescriptionObjectExists;
+		TBool iFilePropertiesObjectExists;
+		TBool iExtendedContentDescriptionObjectExists;
+		TBool iHeaderExtensionObjectExists;
+		TBool iMetadataLibraryObjectExists;
+		TBool iMetadatLibraryObjectJpegExists;
+    };
+
+#endif      // CMetaDataParserWMA_H
+
+// End of File