harvester/harvesterplugins/RTPPlugin/src/harvesterrtpplugin.cpp
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     1 /*
       
     2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Harvests metadata from rtp video file 
       
    15 *
       
    16 */
       
    17 
       
    18 #include <e32std.h>
       
    19 #include <apgcli.h> 
       
    20 
       
    21 #include "harvesterdata.h"
       
    22 #include "harvesterrtpplugin.h"
       
    23 #include "harvesterlog.h"
       
    24 #include "mdeobject.h"
       
    25 #include "mdsutils.h"
       
    26 #include "mdeobjectwrapper.h"
       
    27 #include "harvesterrtpmetadatareader.h"
       
    28 #include <mdenamespacedef.h>
       
    29 #include <mdeobjectdef.h>
       
    30 
       
    31 // Supported mime type
       
    32 _LIT( KRtpClipMimetype, "application/x-nokia-teh-rtp" );
       
    33 
       
    34 // Enough size to recognize file and read metaheader
       
    35 const TInt KFileBufferSize( KMaxMetaHeaderLength );
       
    36 
       
    37 CHarvesterRtpPluginPropertyDefs::CHarvesterRtpPluginPropertyDefs() : CBase()
       
    38 	{
       
    39 	}
       
    40 
       
    41 void CHarvesterRtpPluginPropertyDefs::ConstructL(CMdEObjectDef& aObjectDef)
       
    42 	{
       
    43 	CMdENamespaceDef& nsDef = aObjectDef.NamespaceDef();
       
    44 	
       
    45 	// Common property definitions
       
    46 	CMdEObjectDef& objectDef = nsDef.GetObjectDefL( MdeConstants::Object::KBaseObject );
       
    47 	iCreationDatePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KCreationDateProperty );
       
    48 	iLastModifiedDatePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KLastModifiedDateProperty );
       
    49 	iSizePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KSizeProperty );
       
    50 	iItemTypePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KItemTypeProperty );
       
    51 	iTitlePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KTitleProperty );
       
    52 
       
    53 	CMdEObjectDef& mediaDef = nsDef.GetObjectDefL( MdeConstants::MediaObject::KMediaObject );
       
    54 	iCaptureDatePropertyDef =& mediaDef.GetPropertyDefL( MdeConstants::MediaObject::KCaptureDateProperty );
       
    55 	iDurationPropertyDef = &mediaDef.GetPropertyDefL( MdeConstants::MediaObject::KDurationProperty );
       
    56 
       
    57 	CMdEObjectDef& videoDef = nsDef.GetObjectDefL( MdeConstants::Video::KVideoObject );
       
    58 	iAgeProfilePropertyDef = &videoDef.GetPropertyDefL( MdeConstants::Video::KAgeProfileProperty );
       
    59 	iRecordingFlagsPropertyDef = &videoDef.GetPropertyDefL( MdeConstants::Video::KRecordingFlagsProperty );
       
    60 	}
       
    61 
       
    62 CHarvesterRtpPluginPropertyDefs* CHarvesterRtpPluginPropertyDefs::NewL(CMdEObjectDef& aObjectDef)
       
    63 	{
       
    64 	CHarvesterRtpPluginPropertyDefs* self = 
       
    65 		new (ELeave) CHarvesterRtpPluginPropertyDefs();
       
    66 	CleanupStack::PushL( self );
       
    67 	self->ConstructL( aObjectDef );
       
    68 	CleanupStack::Pop( self );
       
    69 	return self;
       
    70 	}
       
    71 
       
    72 // ======== MEMBER FUNCTIONS ========
       
    73 
       
    74 // ---------------------------------------------------------------------------
       
    75 // Default constructor
       
    76 // ---------------------------------------------------------------------------
       
    77 //
       
    78 CHarvesterRtpPlugin::CHarvesterRtpPlugin() : CHarvesterPlugin(), iPropDefs( NULL )
       
    79     {
       
    80     }
       
    81 
       
    82 // ---------------------------------------------------------------------------
       
    83 // 2nd phase constructor
       
    84 // ---------------------------------------------------------------------------
       
    85 //
       
    86 void CHarvesterRtpPlugin::ConstructL()
       
    87     {
       
    88     WRITELOG( "CHarvesterRtpPlugin::ConstructL()" );
       
    89     }
       
    90 
       
    91 // ---------------------------------------------------------------------------
       
    92 // Constructor
       
    93 // ---------------------------------------------------------------------------
       
    94 //
       
    95 CHarvesterRtpPlugin* CHarvesterRtpPlugin::NewL()
       
    96     {
       
    97     CHarvesterRtpPlugin* self = new(ELeave) CHarvesterRtpPlugin();
       
    98     CleanupStack::PushL(self);
       
    99     self->ConstructL();
       
   100     CleanupStack::Pop(self);
       
   101 
       
   102     return self;
       
   103     }
       
   104 
       
   105 // ---------------------------------------------------------------------------
       
   106 // Destructor
       
   107 // ---------------------------------------------------------------------------
       
   108 //
       
   109 CHarvesterRtpPlugin::~CHarvesterRtpPlugin()
       
   110     {
       
   111     WRITELOG( "CHarvesterRtpPlugin::~CHarvesterRtpPlugin()" );
       
   112     }
       
   113 
       
   114 // ---------------------------------------------------------------------------
       
   115 // Harvest file
       
   116 // ---------------------------------------------------------------------------
       
   117 //
       
   118 void CHarvesterRtpPlugin::HarvestL( CHarvesterData* aHD )    
       
   119     {
       
   120     WRITELOG( "CHarvesterRtpPlugin::Harvest()" );
       
   121     CMdEObject& mdeObject = aHD->MdeObject();
       
   122     
       
   123     CHarvesterRtpClipDetails* clipDetails = CHarvesterRtpClipDetails::NewL();
       
   124     CleanupStack::PushL( clipDetails );
       
   125     
       
   126     TRAPD( error, GatherDataL( mdeObject, *clipDetails ) );
       
   127     if ( error == KErrNone || error == KErrCompletion )
       
   128     	{
       
   129     	TBool isNewObject( mdeObject.Id() == 0 );
       
   130         
       
   131         if ( isNewObject || mdeObject.Placeholder() )
       
   132             {
       
   133             TRAP( error, HandleObjectPropertiesL( *aHD, *clipDetails, ETrue ) );
       
   134             mdeObject.SetPlaceholder( EFalse );
       
   135             }
       
   136         else
       
   137             {
       
   138             TRAP( error, HandleObjectPropertiesL( *aHD, *clipDetails, EFalse ) );
       
   139             }
       
   140 
       
   141         if ( error != KErrNone )
       
   142             {
       
   143             WRITELOG1( "CHarvesterWMVPlugin::HarvestL() - Handling object failed: ", error );
       
   144             }
       
   145     	}
       
   146     else
       
   147         {
       
   148         TInt convertedError = KErrNone;
       
   149         MdsUtils::ConvertTrapError( error, convertedError );
       
   150         aHD->SetErrorCode( convertedError );
       
   151         }
       
   152     CleanupStack::PopAndDestroy( clipDetails );
       
   153     }
       
   154 
       
   155 // ---------------------------------------------------------------------------
       
   156 // Gather metadata
       
   157 // ---------------------------------------------------------------------------
       
   158 //
       
   159 void CHarvesterRtpPlugin::GatherDataL( CMdEObject& aMetadataObject, CHarvesterRtpClipDetails& aClipDetails )
       
   160     {
       
   161     WRITELOG( "CHarvesterRtpPlugin - GatherDataL()" );
       
   162     
       
   163     const TDesC& uri = aMetadataObject.Uri();
       
   164 
       
   165     HBufC8* buffer = HBufC8::NewLC( KFileBufferSize );
       
   166     TPtr8 bufferPtr( buffer->Des() );
       
   167     
       
   168     RFile64 file;
       
   169     CleanupClosePushL( file );
       
   170 
       
   171     User::LeaveIfError( file.Open( iFs, uri, EFileShareAny ) );
       
   172     
       
   173     TEntry* entry = new (ELeave) TEntry();
       
   174     CleanupStack::PushL( entry );
       
   175     User::LeaveIfError( iFs.Entry( uri, *entry ) );
       
   176     aClipDetails.iFileSize = (TUint)entry->iSize;
       
   177     aClipDetails.iModifiedDate = entry->iModified;
       
   178     CleanupStack::PopAndDestroy( entry ); // entry
       
   179     
       
   180     User::LeaveIfError( file.Read( bufferPtr, KFileBufferSize ) );
       
   181     User::LeaveIfError( RecognizeFile( uri, *buffer, aClipDetails ) );
       
   182     User::LeaveIfError( CheckIfMimeSupported( aClipDetails.iMimeType ) ); 
       
   183 
       
   184     CHarvesterRtpMetaDataReader* mdr = CHarvesterRtpMetaDataReader::NewL( buffer );
       
   185     CleanupStack::PushL( mdr );
       
   186 
       
   187     WRITELOG( "CHarvesterRtpPlugin - GatherDataL() ---> found metadata!" );
       
   188     mdr->GetClipDetailsL( aClipDetails );
       
   189 
       
   190     CleanupStack::PopAndDestroy( mdr ); // mdr
       
   191     CleanupStack::PopAndDestroy( &file );  // file
       
   192     CleanupStack::PopAndDestroy( buffer ); // buffer
       
   193     }
       
   194 
       
   195 // -----------------------------------------------------------------------------
       
   196 // Runs recognizers on the given file to determine its mime type
       
   197 // -----------------------------------------------------------------------------
       
   198 //
       
   199 TInt CHarvesterRtpPlugin::RecognizeFile(
       
   200     const TDesC& aFilePath,
       
   201     const TDesC8& aFileBuffer,
       
   202     CHarvesterRtpClipDetails& aClipDetails )
       
   203     {
       
   204     WRITELOG( "CHarvesterRtpPlugin::RecognizeFile()" );
       
   205     TInt err( KErrNone );
       
   206     
       
   207     RApaLsSession apaSession;
       
   208     err = apaSession.Connect();
       
   209     if ( err == KErrNone )
       
   210         {
       
   211         TDataRecognitionResult result;
       
   212         err = apaSession.RecognizeData( aFilePath, aFileBuffer, result );
       
   213         if ( result.iConfidence >= CApaDataRecognizerType::EProbable )
       
   214             {
       
   215             aClipDetails.iMimeType = result.iDataType.Des();
       
   216             WRITELOG1( "CHarvesterRtpPlugin - Mime type: %S", &aClipDetails.iMimeType );
       
   217             }
       
   218 
       
   219         apaSession.Close();
       
   220         }
       
   221     
       
   222     return err;
       
   223     }
       
   224 
       
   225 ///---------------------------------------------------------------------------
       
   226 /// Check if mime type is supported
       
   227 ///---------------------------------------------------------------------------
       
   228 //
       
   229 TInt CHarvesterRtpPlugin::CheckIfMimeSupported( const TDesC& aMimeBuf )
       
   230     {
       
   231     if ( MdsUtils::Compare( KRtpClipMimetype, aMimeBuf ) == 0 )
       
   232         {
       
   233         WRITELOG( "CHarvesterRtpPlugin - Mime type supported");
       
   234         return KErrNone;
       
   235         }
       
   236     
       
   237     WRITELOG( "CHarvesterRtpPlugin - Mime type not supported");
       
   238     return KErrNotSupported;
       
   239     }
       
   240 
       
   241 // ---------------------------------------------------------------------------
       
   242 // Add object properties
       
   243 // ---------------------------------------------------------------------------
       
   244 //
       
   245 void CHarvesterRtpPlugin::HandleObjectPropertiesL( 
       
   246     CHarvesterData& aHD,
       
   247     CHarvesterRtpClipDetails& aClipDetails,
       
   248     TBool aIsAdd)
       
   249     {
       
   250     WRITELOG( "CHarvesterRtpPlugin::HandleObjectPropertiesL()" );
       
   251 
       
   252     CMdEObject& mdeObject = aHD.MdeObject();
       
   253     
       
   254     if( !iPropDefs )
       
   255 		{
       
   256 		CMdEObjectDef& objectDef = mdeObject.Def();
       
   257 		iPropDefs = CHarvesterRtpPluginPropertyDefs::NewL( objectDef );
       
   258 		}
       
   259 
       
   260     TTimeIntervalSeconds timeOffset = User::UTCOffset();
       
   261     TTime localModifiedTime = aClipDetails.iModifiedDate + timeOffset;
       
   262     
       
   263     if( ! mdeObject.Placeholder() )
       
   264     	{
       
   265     	// Creation date of media file
       
   266     	CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
       
   267     			*iPropDefs->iCreationDatePropertyDef, &localModifiedTime, aIsAdd );
       
   268     	// Last modified date
       
   269     	CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
       
   270     			*iPropDefs->iLastModifiedDatePropertyDef, &aClipDetails.iModifiedDate, aIsAdd );
       
   271     	// File size
       
   272     	CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
       
   273     			*iPropDefs->iSizePropertyDef, &aClipDetails.iFileSize, aIsAdd );
       
   274     	}
       
   275 
       
   276     // Title (is set from URI by default)
       
   277     if ( aClipDetails.iTitle.Length() > 0 ) 
       
   278         {
       
   279         CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
       
   280         		*iPropDefs->iTitlePropertyDef, &aClipDetails.iTitle, EFalse );
       
   281         }
       
   282 
       
   283     // Mime Type
       
   284     CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
       
   285     		*iPropDefs->iItemTypePropertyDef, &aClipDetails.iMimeType, aIsAdd );
       
   286 
       
   287     // Capture date
       
   288     CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
       
   289     		*iPropDefs->iCaptureDatePropertyDef, &localModifiedTime, aIsAdd );    
       
   290 
       
   291    	// Duration
       
   292     CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
       
   293     		*iPropDefs->iDurationPropertyDef, &aClipDetails.iDuration, aIsAdd );
       
   294 
       
   295     //Save these if video center videostorage available
       
   296     //AgeProfile
       
   297     CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
       
   298     		*iPropDefs->iAgeProfilePropertyDef, &aClipDetails.iParental, aIsAdd );
       
   299     
       
   300     //VideoFlags    
       
   301     TUint32 flags = 0;
       
   302 
       
   303     //always set clip type as recording
       
   304     flags |= EIptvMyVideosVideoTypeRecording;
       
   305 
       
   306     if ( aClipDetails.iRecOngoing )
       
   307         {
       
   308         //Recording ongoing 
       
   309         //Otherwise assuming that recording has completed
       
   310         flags |= EIptvMyVideosVideoIsRecording;
       
   311         }        
       
   312 
       
   313     if ( aClipDetails.iRecFailed )
       
   314         {
       
   315         //Recording failed
       
   316         flags |= EIptvMyVideosVideoRecFailed;
       
   317         }
       
   318 
       
   319     if ( aClipDetails.iQuality <= KPartiallyFailedLimit )
       
   320         {
       
   321         //Clip partially failed
       
   322         flags |= EIptvMyVideosVideoRecPartiallyFailed;
       
   323         }
       
   324 
       
   325     CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
       
   326     		*iPropDefs->iRecordingFlagsPropertyDef, &flags, aIsAdd );
       
   327     }