harvester/harvesterplugins/RTPPlugin/src/harvesterrtpplugin.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:42:24 +0200
branchRCL_3
changeset 15 3cebc1a84278
parent 8 6752808b2036
child 27 4a4892eec172
permissions -rw-r--r--
Revision: 201009 Kit: 201010
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/*
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* Copyright (c) 2007-2009 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:  Harvests metadata from rtp video file 
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*
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*/
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#include <e32std.h>
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#include <apgcli.h> 
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#include "harvesterdata.h"
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#include "harvesterrtpplugin.h"
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#include "harvesterlog.h"
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#include "mdeobject.h"
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#include "mdsutils.h"
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#include "harvestercommon.h"
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#include "mdeobjectwrapper.h"
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#include "harvesterrtpmetadatareader.h"
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#include <mdenamespacedef.h>
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#include <mdeobjectdef.h>
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// Supported mime type
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_LIT( KRtpClipMimetype, "application/x-nokia-teh-rtp" );
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// Enough size to recognize file and read metaheader
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const TInt KFileBufferSize( KMaxMetaHeaderLength );
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CHarvesterRtpPluginPropertyDefs::CHarvesterRtpPluginPropertyDefs() : CBase()
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	{
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	}
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void CHarvesterRtpPluginPropertyDefs::ConstructL(CMdEObjectDef& aObjectDef)
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	{
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	CMdENamespaceDef& nsDef = aObjectDef.NamespaceDef();
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	// Common property definitions
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	CMdEObjectDef& objectDef = nsDef.GetObjectDefL( MdeConstants::Object::KBaseObject );
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	iCreationDatePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KCreationDateProperty );
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	iLastModifiedDatePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KLastModifiedDateProperty );
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	iSizePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KSizeProperty );
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	iItemTypePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KItemTypeProperty );
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	iTitlePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KTitleProperty );
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	CMdEObjectDef& mediaDef = nsDef.GetObjectDefL( MdeConstants::MediaObject::KMediaObject );
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	iCaptureDatePropertyDef =& mediaDef.GetPropertyDefL( MdeConstants::MediaObject::KCaptureDateProperty );
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	iDurationPropertyDef = &mediaDef.GetPropertyDefL( MdeConstants::MediaObject::KDurationProperty );
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	CMdEObjectDef& videoDef = nsDef.GetObjectDefL( MdeConstants::Video::KVideoObject );
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	iAgeProfilePropertyDef = &videoDef.GetPropertyDefL( MdeConstants::Video::KAgeProfileProperty );
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	iRecordingFlagsPropertyDef = &videoDef.GetPropertyDefL( MdeConstants::Video::KRecordingFlagsProperty );
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	}
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CHarvesterRtpPluginPropertyDefs* CHarvesterRtpPluginPropertyDefs::NewL(CMdEObjectDef& aObjectDef)
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	{
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	CHarvesterRtpPluginPropertyDefs* self = 
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		new (ELeave) CHarvesterRtpPluginPropertyDefs();
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	CleanupStack::PushL( self );
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	self->ConstructL( aObjectDef );
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	CleanupStack::Pop( self );
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	return self;
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	}
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// Default constructor
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// ---------------------------------------------------------------------------
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//
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CHarvesterRtpPlugin::CHarvesterRtpPlugin() : CHarvesterPlugin(), iPropDefs( NULL )
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    {
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    }
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// ---------------------------------------------------------------------------
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// 2nd phase constructor
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// ---------------------------------------------------------------------------
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//
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void CHarvesterRtpPlugin::ConstructL()
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    {
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    WRITELOG( "CHarvesterRtpPlugin::ConstructL()" );
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    SetPriority( KHarvesterPriorityHarvestingPlugin - 1 );
0
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    }
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// ---------------------------------------------------------------------------
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// Constructor
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// ---------------------------------------------------------------------------
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//
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CHarvesterRtpPlugin* CHarvesterRtpPlugin::NewL()
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    {
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    CHarvesterRtpPlugin* self = new(ELeave) CHarvesterRtpPlugin();
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop(self);
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// Destructor
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// ---------------------------------------------------------------------------
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//
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CHarvesterRtpPlugin::~CHarvesterRtpPlugin()
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    {
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    WRITELOG( "CHarvesterRtpPlugin::~CHarvesterRtpPlugin()" );
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    }
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// ---------------------------------------------------------------------------
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// Harvest file
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// ---------------------------------------------------------------------------
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//
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void CHarvesterRtpPlugin::HarvestL( CHarvesterData* aHD )    
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    {
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    WRITELOG( "CHarvesterRtpPlugin::Harvest()" );
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    CMdEObject& mdeObject = aHD->MdeObject();
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    CHarvesterRtpClipDetails* clipDetails = CHarvesterRtpClipDetails::NewL();
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    CleanupStack::PushL( clipDetails );
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    TRAPD( error, GatherDataL( mdeObject, *clipDetails ) );
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    if ( error == KErrNone || error == KErrCompletion )
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    	{
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    	TBool isNewObject( mdeObject.Id() == 0 );
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        if ( isNewObject || mdeObject.Placeholder() )
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            {
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            TRAP( error, HandleObjectPropertiesL( *aHD, *clipDetails, ETrue ) );
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            mdeObject.SetPlaceholder( EFalse );
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            }
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        else
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            {
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            TRAP( error, HandleObjectPropertiesL( *aHD, *clipDetails, EFalse ) );
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            }
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        if ( error != KErrNone )
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            {
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            WRITELOG1( "CHarvesterWMVPlugin::HarvestL() - Handling object failed: ", error );
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            }
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    	}
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    else
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        {
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        TInt convertedError = KErrNone;
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        MdsUtils::ConvertTrapError( error, convertedError );
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        aHD->SetErrorCode( convertedError );
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        }
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    CleanupStack::PopAndDestroy( clipDetails );
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    }
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// ---------------------------------------------------------------------------
8
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// CHarvesterAudioPlugin::GetMimeType (from CHarvesterPlugin)
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// ---------------------------------------------------------------------------
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//    
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void CHarvesterRtpPlugin::GetMimeType( const TDesC& /*aUri*/, TDes& aMimeType )
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    {
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    aMimeType = KRtpClipMimetype;
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    }
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// ---------------------------------------------------------------------------
0
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// Gather metadata
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// ---------------------------------------------------------------------------
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//
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void CHarvesterRtpPlugin::GatherDataL( CMdEObject& aMetadataObject, CHarvesterRtpClipDetails& aClipDetails )
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    {
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    WRITELOG( "CHarvesterRtpPlugin - GatherDataL()" );
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    const TDesC& uri = aMetadataObject.Uri();
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    HBufC8* buffer = HBufC8::NewLC( KFileBufferSize );
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    TPtr8 bufferPtr( buffer->Des() );
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    RFile64 file;
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    CleanupClosePushL( file );
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    User::LeaveIfError( file.Open( iFs, uri, EFileShareAny ) );
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    TEntry* entry = new (ELeave) TEntry();
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    CleanupStack::PushL( entry );
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    User::LeaveIfError( iFs.Entry( uri, *entry ) );
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    aClipDetails.iFileSize = (TUint)entry->iSize;
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    aClipDetails.iModifiedDate = entry->iModified;
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    CleanupStack::PopAndDestroy( entry ); // entry
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    User::LeaveIfError( file.Read( bufferPtr, KFileBufferSize ) );
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    User::LeaveIfError( RecognizeFile( uri, *buffer, aClipDetails ) );
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    User::LeaveIfError( CheckIfMimeSupported( aClipDetails.iMimeType ) ); 
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    CHarvesterRtpMetaDataReader* mdr = CHarvesterRtpMetaDataReader::NewL( buffer );
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    CleanupStack::PushL( mdr );
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    WRITELOG( "CHarvesterRtpPlugin - GatherDataL() ---> found metadata!" );
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    mdr->GetClipDetailsL( aClipDetails );
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    CleanupStack::PopAndDestroy( mdr ); // mdr
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    CleanupStack::PopAndDestroy( &file );  // file
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    CleanupStack::PopAndDestroy( buffer ); // buffer
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    }
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// -----------------------------------------------------------------------------
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// Runs recognizers on the given file to determine its mime type
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// -----------------------------------------------------------------------------
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//
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TInt CHarvesterRtpPlugin::RecognizeFile(
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    const TDesC& aFilePath,
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    const TDesC8& aFileBuffer,
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    CHarvesterRtpClipDetails& aClipDetails )
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    {
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    WRITELOG( "CHarvesterRtpPlugin::RecognizeFile()" );
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    TInt err( KErrNone );
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    RApaLsSession apaSession;
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    err = apaSession.Connect();
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    if ( err == KErrNone )
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        {
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        TDataRecognitionResult result;
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        err = apaSession.RecognizeData( aFilePath, aFileBuffer, result );
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        if ( result.iConfidence >= CApaDataRecognizerType::EProbable )
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            {
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            aClipDetails.iMimeType = result.iDataType.Des();
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            WRITELOG1( "CHarvesterRtpPlugin - Mime type: %S", &aClipDetails.iMimeType );
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            }
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        apaSession.Close();
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        }
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    return err;
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    }
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///---------------------------------------------------------------------------
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/// Check if mime type is supported
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///---------------------------------------------------------------------------
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//
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TInt CHarvesterRtpPlugin::CheckIfMimeSupported( const TDesC& aMimeBuf )
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    {
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    if ( MdsUtils::Compare( KRtpClipMimetype, aMimeBuf ) == 0 )
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        {
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        WRITELOG( "CHarvesterRtpPlugin - Mime type supported");
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        return KErrNone;
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        }
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    WRITELOG( "CHarvesterRtpPlugin - Mime type not supported");
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    return KErrNotSupported;
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    }
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// ---------------------------------------------------------------------------
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// Add object properties
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// ---------------------------------------------------------------------------
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//
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void CHarvesterRtpPlugin::HandleObjectPropertiesL( 
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    CHarvesterData& aHD,
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    CHarvesterRtpClipDetails& aClipDetails,
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    TBool aIsAdd)
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    {
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    WRITELOG( "CHarvesterRtpPlugin::HandleObjectPropertiesL()" );
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    CMdEObject& mdeObject = aHD.MdeObject();
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    if( !iPropDefs )
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		{
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		CMdEObjectDef& objectDef = mdeObject.Def();
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		iPropDefs = CHarvesterRtpPluginPropertyDefs::NewL( objectDef );
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		}
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    TTimeIntervalSeconds timeOffset = User::UTCOffset();
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    TTime localModifiedTime = aClipDetails.iModifiedDate + timeOffset;
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    if( ! mdeObject.Placeholder() )
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    	{
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    	// Creation date of media file
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    	CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
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    			*iPropDefs->iCreationDatePropertyDef, &localModifiedTime, aIsAdd );
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    	// Last modified date
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    	CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
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    			*iPropDefs->iLastModifiedDatePropertyDef, &aClipDetails.iModifiedDate, aIsAdd );
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    	// File size
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    	CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
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    			*iPropDefs->iSizePropertyDef, &aClipDetails.iFileSize, aIsAdd );
8
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        // Mime Type
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        CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
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                *iPropDefs->iItemTypePropertyDef, &aClipDetails.iMimeType, aIsAdd );
0
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    	}
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    // Title (is set from URI by default)
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    if ( aClipDetails.iTitle.Length() > 0 ) 
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        {
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        CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
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        		*iPropDefs->iTitlePropertyDef, &aClipDetails.iTitle, EFalse );
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        }
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   296
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    // Capture date
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    CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
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    		*iPropDefs->iCaptureDatePropertyDef, &localModifiedTime, aIsAdd );    
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   300
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   	// Duration
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    CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
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    		*iPropDefs->iDurationPropertyDef, &aClipDetails.iDuration, aIsAdd );
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   304
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    //Save these if video center videostorage available
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    //AgeProfile
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    CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
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    		*iPropDefs->iAgeProfilePropertyDef, &aClipDetails.iParental, aIsAdd );
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    //VideoFlags    
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    TUint32 flags = 0;
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   312
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    //always set clip type as recording
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    flags |= EIptvMyVideosVideoTypeRecording;
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   315
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   316
    if ( aClipDetails.iRecOngoing )
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   317
        {
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        //Recording ongoing 
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   319
        //Otherwise assuming that recording has completed
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        flags |= EIptvMyVideosVideoIsRecording;
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   321
        }        
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   322
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   323
    if ( aClipDetails.iRecFailed )
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   324
        {
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        //Recording failed
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   326
        flags |= EIptvMyVideosVideoRecFailed;
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   327
        }
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   328
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   329
    if ( aClipDetails.iQuality <= KPartiallyFailedLimit )
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   330
        {
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   331
        //Clip partially failed
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   332
        flags |= EIptvMyVideosVideoRecPartiallyFailed;
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   333
        }
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diff changeset
   334
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   335
    CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 
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   336
    		*iPropDefs->iRecordingFlagsPropertyDef, &flags, aIsAdd );
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diff changeset
   337
    }