author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:20:56 +0100 | |
branch | RCL_3 |
changeset 43 | 4a793f564d72 |
parent 0 | d0791faffa3f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: SConMetadata header file |
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* |
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*/ |
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|
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#ifndef _SCONMETADATA_H_ |
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#define _SCONMETADATA_H_ |
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|
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#include <MetaDataField.hrh> |
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class CSConTask; |
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class CExifRead; |
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class CExifTag; |
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//============================================================ |
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// Class CSConMetadata declaration |
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//============================================================ |
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NONSHARABLE_CLASS( SConMetadata ) |
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{ |
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public: |
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|
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/** |
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* Start processing metadata task |
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* @param aTask used task |
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* @param aFs aReference to RFs connection. |
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* @return none |
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*/ |
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static void ProcessTask( CSConTask& aTask, RFs& aFs ); |
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|
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private: |
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/** |
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* Get audio metadata to task |
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* @return none |
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*/ |
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static void GetAudioMetadataL( CSConTask& aTask ); |
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/** |
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* Get video metadata to task |
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* @param aFs aReference to RFs connection. |
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* @return none |
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*/ |
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static void GetVideoMetadataL( CSConTask& aTask, RFs& aFs ); |
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/** |
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* parse exif field |
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* @return HBufC8* parsed data. Leaves if not found |
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*/ |
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static HBufC8* GetExifTagL( CExifRead* aReader, const TUint8 aTagID ) ; |
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/** |
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* Parse TUint32 value from aData |
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* @return TUint32 value |
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*/ |
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static TUint32 ReadTUint32( const TDesC8& aData ); |
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/** |
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* Read data from file |
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* @param aFs aReference to RFs connection. |
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* @return file data |
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*/ |
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static HBufC8* GetFileDataLC( const TDesC& aFilename, RFs& aFs ); |
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/** |
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* Get exif metadata to task |
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* @param aFs aReference to RFs connection. |
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* @return none |
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*/ |
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static void ReadExifDataL( CSConTask& aTask, RFs& aFs ); |
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/** |
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* Convert latidute/longitude tag to TReal64 value |
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* @return KErrNone if successfully converted |
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*/ |
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static TInt ConvertRationalTag( const CExifTag& aTag, TDes& aPosDegrees ); |
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/** |
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* Get latidute value from Exif |
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* @param aExifRead ExifReader used to read |
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* @param aLatitude readed latidute |
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* @return KErrNone if found |
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*/ |
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static TInt GetExifGPSLatitudeL( CExifRead& aExifRead, TDes& aLatitude ); |
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/** |
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* Get longitude value from Exif |
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* @param aExifRead ExifReader used to read |
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* @param aLongitude readed longitude |
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* @return KErrNone if found |
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*/ |
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static TInt GetExifGPSLongitudeL( CExifRead& aExifRead, TDes& aLongitude ); |
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/** |
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* Get altidute value from Exif |
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* @param aExifRead ExifReader used to read |
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* @param aAltidute readed altidute |
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* @return KErrNone if found |
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*/ |
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static TInt GetExifGPSAltiduteL( CExifRead& aExifRead, TDes& aAltidute ); |
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/** |
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* Appends data field to buffer |
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* @return none |
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*/ |
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static void AppendUtf8DataFieldL( CBufFlat* aBuffer, const TPtrC aAppendData, |
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const TUint8 aFieldId ); |
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/** |
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* Appends data field to buffer |
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* @return none |
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*/ |
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static void AppendByteDataFieldL( CBufFlat* aBuffer, const TPtrC8 aAppendData, |
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const TUint8 aFieldId ); |
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/** |
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* Writes TUint32 value to buffer |
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* @return none |
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*/ |
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static void WriteTUint32( CBufFlat* aBuffer, TInt offset, TUint32 aValue ); |
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/** |
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* Appends data field to buffer |
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* @return none |
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*/ |
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static void AppendTUintDataFieldL( CBufFlat* aBuffer, TUint32 aValue, |
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const TUint8 aFieldId ); |
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/** |
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* Get AudioFieldId |
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* @return TUint8 |
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*/ |
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static TUint8 AudioFieldId( const TMetaDataFieldId fieldId ); |
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}; |
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#endif // _SCONMETADATA_H_ |