os/mm/mmlibs/mmfw/tsrc/mmvalidationsuite/mmvalidationsuiteagents/src/agentsutility.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/mmlibs/mmfw/tsrc/mmvalidationsuite/mmvalidationsuiteagents/src/agentsutility.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,505 @@
     1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// Part of the MVS Agents for TechView
    1.18 +//
    1.19 +
    1.20 +#include "agentsutility.h"
    1.21 +#include <e32def.h>
    1.22 +const TInt KMaxHeaderSize = 256;
    1.23 +
    1.24 +//CMVSControllerPluginInfo methods
    1.25 +
    1.26 +/**
    1.27 +Constructs and initialises a new instance of the controller plugin information class.
    1.28 +
    1.29 +The function leaves if the controller plugin information object cannot be created.
    1.30 +
    1.31 +No callback notification is made upon completion of NewL().
    1.32 +
    1.33 +@return A pointer to the new controller plugin information object.
    1.34 +
    1.35 +*/
    1.36 +EXPORT_C CMVSControllerPluginInfo* CMVSControllerPluginInfo::NewL()
    1.37 +	{
    1.38 +    CMVSControllerPluginInfo* self = new(ELeave) CMVSControllerPluginInfo();
    1.39 +    CleanupStack::PushL(self);
    1.40 +    self->ConstructL();
    1.41 +    CleanupStack::Pop(self);
    1.42 +    return self;
    1.43 +    }
    1.44 +
    1.45 +
    1.46 +void CMVSControllerPluginInfo::ConstructL()
    1.47 +	{
    1.48 +    TInt err = KErrNone;
    1.49 +    CMMFControllerPluginSelectionParameters* cSelect=NULL;
    1.50 +    CMMFFormatSelectionParameters* fSelect=NULL;
    1.51 +    User::LeaveIfError(iFileLogger.Connect());
    1.52 +    iFileLogger.CreateLog(_L("LogMVSappUi"),_L("LogFile.txt"),EFileLoggingModeAppend);    
    1.53 +    cSelect =  CMMFControllerPluginSelectionParameters::NewLC();
    1.54 +    RArray<TUid> mediaIds; //search for both audio and video
    1.55 +	TRAP(err, mediaIds.Append(KUidMediaTypeAudio));
    1.56 +    TRAP(err, mediaIds.Append(KUidMediaTypeVideo));
    1.57 +    
    1.58 +    TRAP(err, cSelect->SetMediaIdsL(mediaIds,
    1.59 +         CMMFPluginSelectionParameters::EAllowOtherMediaIds));
    1.60 +    mediaIds.Close(); 
    1.61 +	
    1.62 +	fSelect = CMMFFormatSelectionParameters::NewLC();
    1.63 +	   
    1.64 +    TRAP(err, {
    1.65 +              cSelect->SetRequiredRecordFormatSupportL(*fSelect);
    1.66 +	          //Populate the controllers array
    1.67 +	          cSelect->ListImplementationsL(iControllers);
    1.68 +              });
    1.69 +	CleanupStack::PopAndDestroy(2);
    1.70 +    
    1.71 +    for(TInt count = 0;count < iControllers.Count();count++)
    1.72 +     	{
    1.73 +    	iUidArray.AppendL(iControllers[count]->Uid());
    1.74 +      	}
    1.75 +    //During the construction get all the supported controllers,not for a specific extension.
    1.76 +    CollectAudioControllersL(NULL); 
    1.77 +    CollectVideoControllersL(NULL);
    1.78 +    }
    1.79 +
    1.80 +
    1.81 +void CMVSControllerPluginInfo::CollectAudioControllersL(TDesC* aExt)
    1.82 +	{	
    1.83 +	TInt err = KErrNone;
    1.84 +    CMMFControllerPluginSelectionParameters* cSelect=NULL;
    1.85 +    CMMFFormatSelectionParameters* fSelect=NULL;
    1.86 +
    1.87 +    cSelect =  CMMFControllerPluginSelectionParameters::NewLC();
    1.88 +    RArray<TUid> mediaIds; //search for audio only
    1.89 +	TRAP(err, mediaIds.Append(KUidMediaTypeAudio));
    1.90 +    
    1.91 +    TRAP(err, cSelect->SetMediaIdsL(mediaIds,
    1.92 +         CMMFPluginSelectionParameters::EAllowOnlySuppliedMediaIds));
    1.93 +    	
    1.94 +    mediaIds.Close(); 
    1.95 +	
    1.96 +	fSelect = CMMFFormatSelectionParameters::NewLC();
    1.97 +    if(aExt!=NULL)
    1.98 +    	{
    1.99 +     	fSelect->SetMatchToFileNameL(*aExt);	
   1.100 +     	}   
   1.101 +    TRAP(err, {
   1.102 +              cSelect->SetRequiredRecordFormatSupportL(*fSelect);
   1.103 +	          //Populate the controllers array
   1.104 +	          cSelect->ListImplementationsL(iAudioControllers);
   1.105 +              });
   1.106 +	
   1.107 +	CleanupStack::PopAndDestroy(2);
   1.108 +	
   1.109 +    for(TInt count = 0;count < iAudioControllers.Count();count++)
   1.110 +    	{
   1.111 +     	iAudioUidArray.AppendL(iAudioControllers[count]->Uid());
   1.112 +      	} 	
   1.113 +  	}
   1.114 +
   1.115 +
   1.116 +
   1.117 +void CMVSControllerPluginInfo::CollectAudioPlayControllersL(TDesC* aExt)
   1.118 +	{	
   1.119 +	TInt err = KErrNone;
   1.120 +    CMMFFormatSelectionParameters* sSelect=NULL;
   1.121 +    CMMFControllerPluginSelectionParameters* pSelect=NULL;
   1.122 +    
   1.123 +    RArray<TUid> mediaIds; //search for audio only
   1.124 +	pSelect =  CMMFControllerPluginSelectionParameters::NewLC();
   1.125 +    
   1.126 +	TRAP(err, mediaIds.Append(KUidMediaTypeAudio));
   1.127 +    
   1.128 +    TRAP(err, pSelect->SetMediaIdsL(mediaIds,
   1.129 +         CMMFPluginSelectionParameters::EAllowOnlySuppliedMediaIds));
   1.130 +    
   1.131 +    mediaIds.Close(); 
   1.132 +	
   1.133 +	sSelect = CMMFFormatSelectionParameters::NewLC();
   1.134 +    if(aExt!=NULL)
   1.135 +    	{
   1.136 +     	sSelect->SetMatchToFileNameL(*aExt);	
   1.137 +     	}   
   1.138 +    
   1.139 +	TRAP(err,{
   1.140 +			 pSelect->SetRequiredPlayFormatSupportL(*sSelect);
   1.141 +	         //populate the play controllers array
   1.142 +	         pSelect->ListImplementationsL(iAudioPlayControllers);	
   1.143 +			 });
   1.144 +	CleanupStack::PopAndDestroy(2);
   1.145 +    
   1.146 +    for(TInt count = 0;count < iAudioPlayControllers.Count();count++)
   1.147 +    	{
   1.148 +     	iAudioPlayUidArray.AppendL(iAudioPlayControllers[count]->Uid());
   1.149 +      	} 	
   1.150 +    iFileLogger.Write(_L("CollectingAudioControllers "));  	
   1.151 + 	}
   1.152 +
   1.153 +
   1.154 +void CMVSControllerPluginInfo::CollectVideoControllersL(TDesC* aExt)
   1.155 +	{
   1.156 +	TInt err = KErrNone;
   1.157 +    CMMFControllerPluginSelectionParameters* cSelect=NULL;
   1.158 +    CMMFFormatSelectionParameters* fSelect=NULL;
   1.159 +        
   1.160 +    cSelect =  CMMFControllerPluginSelectionParameters::NewLC();
   1.161 +    RArray<TUid> mediaIds; //search for audio only
   1.162 +	TRAP(err, mediaIds.Append(KUidMediaTypeVideo));
   1.163 +    
   1.164 +    TRAP(err, cSelect->SetMediaIdsL(mediaIds,
   1.165 +         CMMFPluginSelectionParameters::EAllowOtherMediaIds));
   1.166 +    mediaIds.Close(); 
   1.167 +	
   1.168 +	fSelect = CMMFFormatSelectionParameters::NewLC();
   1.169 +	if(aExt!=NULL)
   1.170 +     	{
   1.171 +		fSelect->SetMatchToFileNameL(*aExt);    
   1.172 +     	}
   1.173 +    TRAP(err, {
   1.174 +              cSelect->SetRequiredRecordFormatSupportL(*fSelect);
   1.175 +	          //Populate the controllers array
   1.176 +	          cSelect->ListImplementationsL(iVideoControllers);
   1.177 +              });
   1.178 +	
   1.179 +	CleanupStack::PopAndDestroy(2);
   1.180 +
   1.181 +    for(TInt count = 0;count < iVideoControllers.Count();count++)
   1.182 +    	{
   1.183 +     	iVideoUidArray.AppendL(iVideoControllers[count]->Uid());
   1.184 +      	}
   1.185 +    iFileLogger.Write(_L("CollectingVideoControllers ")) ;
   1.186 +	}
   1.187 +
   1.188 +/**
   1.189 +Destructor.
   1.190 +
   1.191 +Frees all resources owned by the object prior to its destruction.
   1.192 +*/
   1.193 +EXPORT_C CMVSControllerPluginInfo::~CMVSControllerPluginInfo()
   1.194 +    {
   1.195 +    iControllers.ResetAndDestroy();
   1.196 +	iControllers.Close();
   1.197 +	iSupportedControllers.ResetAndDestroy();
   1.198 +	iSupportedControllers.Close();
   1.199 +	iAudioControllers.ResetAndDestroy();
   1.200 +	iAudioControllers.Close();
   1.201 +	iAudioPlayControllers.ResetAndDestroy();
   1.202 +	iAudioPlayControllers.Close();
   1.203 +	iVideoControllers.ResetAndDestroy();
   1.204 +	iVideoControllers.Close();
   1.205 +    iUidArray.Close();
   1.206 +    iAudioUidArray.Close();
   1.207 +    iAudioPlayUidArray.Close();
   1.208 +    iVideoUidArray.Close();
   1.209 +    if(iFileLogger.Handle())
   1.210 +    	{
   1.211 +    	iFileLogger.CloseLog();
   1.212 +		iFileLogger.Close();
   1.213 +    	}
   1.214 +    }
   1.215 +
   1.216 +
   1.217 +CMVSControllerPluginInfo::CMVSControllerPluginInfo()
   1.218 +    {
   1.219 +    }
   1.220 +
   1.221 +
   1.222 +/**
   1.223 +Fetches an array of all the display names of the 
   1.224 +controller plugins existing currently in the system and an array of their Uid's
   1.225 +
   1.226 +The data must be in a supported format (for example, WAV ,OGG or AVI).
   1.227 +
   1.228 +@param	aDisplayNames
   1.229 +		This array will contain all the displaynames of the controllers when this method returns.
   1.230 +@param 	aUidArray
   1.231 +		This array will contain all the Uids when this method returns.
   1.232 +
   1.233 +@return  number of plugins existing in the system.
   1.234 +
   1.235 +*/
   1.236 +EXPORT_C TInt CMVSControllerPluginInfo::GetPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray)
   1.237 +	{
   1.238 +	for(TInt counter = 0;counter < iControllers.Count();counter++)
   1.239 +     	{
   1.240 +     	aDisplayNames->AppendL(iControllers[counter]->DisplayName());
   1.241 +     	aUidArray.Append(iUidArray[counter]);
   1.242 +     	}
   1.243 +    iFileLogger.Write(_L("Getting the Plugin List"));
   1.244 +    return aUidArray.Count();
   1.245 +    }
   1.246 + 
   1.247 +
   1.248 +/**
   1.249 +Fetches an array of all the display names of the 
   1.250 +audio controller plugins existing currently in the system and an array of their Uid's
   1.251 +
   1.252 +@param	aDisplayNames
   1.253 +		This array will contain all the displaynames of the audio controllers for the specified 
   1.254 +		extension, when this method returns.
   1.255 +@param 	aUidArray
   1.256 +		This array will contain all the corresponding Uids when this method returns.
   1.257 +@param  aExt
   1.258 +	    The specific extension (for example WAV or OGG) for which the supported controllers is to be retrieved 
   1.259 +
   1.260 +@return number of audio plugins existing in the system.
   1.261 +
   1.262 +*/
   1.263 +EXPORT_C TInt CMVSControllerPluginInfo::GetAudioPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray,RArray<TUid>& aUidPlayArray, TDesC* aExt)
   1.264 +	{
   1.265 +	iAudioControllers.ResetAndDestroy();
   1.266 +	iAudioUidArray.Reset();
   1.267 +	iAudioPlayControllers.ResetAndDestroy();
   1.268 +	iAudioPlayUidArray.Reset();
   1.269 +	CollectAudioControllersL(aExt);
   1.270 +	CollectAudioPlayControllersL(aExt);
   1.271 +	for(TInt counter = 0;counter < iAudioControllers.Count();counter++)
   1.272 +    	{
   1.273 +     	aDisplayNames->AppendL(iAudioControllers[counter]->DisplayName());
   1.274 +     	aUidArray.Append(iAudioUidArray[counter]);
   1.275 +     	}
   1.276 +    for(TInt counter = 0;counter < iAudioPlayControllers.Count();counter++)
   1.277 +     	{
   1.278 +      	aUidPlayArray.Append(iAudioPlayUidArray[counter]);
   1.279 +     	}
   1.280 +    iFileLogger.Write(_L("Getting the Audio Plugin List"));
   1.281 +    //Flushing out the existing seleced data and filling in with
   1.282 +    //all the audio controllers and corresponding UID's for the next run
   1.283 +    iAudioControllers.ResetAndDestroy();
   1.284 +	iAudioUidArray.Reset();
   1.285 +	iAudioPlayControllers.ResetAndDestroy();
   1.286 +	iAudioPlayUidArray.Reset();
   1.287 +    iFileLogger.Write(_L("Getting the Video Plugin List"));	
   1.288 +    CollectAudioControllersL(NULL);
   1.289 +    return aUidArray.Count();
   1.290 +	}
   1.291 + 
   1.292 +
   1.293 +/**
   1.294 +Fetches an array of all the display names of the 
   1.295 +video controller plugins existing currently in the system and an array of their Uid's
   1.296 +
   1.297 +@param	aDisplayNames
   1.298 +		This array will contain all the displaynames of the video controllers for the specified 
   1.299 +		extension, when this method returns.
   1.300 +@param 	aUidArray
   1.301 +		This array will contain all the corresponding Uids when this method returns.
   1.302 +@param  aExt
   1.303 +	    The specific extension (for example AVI) for which the supported controllers is to be retrieved.
   1.304 +
   1.305 +@return number of video plugins existing in the system.
   1.306 +
   1.307 +*/
   1.308 +EXPORT_C TInt CMVSControllerPluginInfo::GetVideoPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray,TDesC* aExt)
   1.309 +	{
   1.310 +	iVideoControllers.ResetAndDestroy();
   1.311 +	iVideoUidArray.Reset();
   1.312 +	CollectVideoControllersL(aExt);
   1.313 +	for(TInt counter = 0;counter < iVideoControllers.Count();counter++)
   1.314 +     	{
   1.315 +     	aDisplayNames->AppendL(iVideoControllers[counter]->DisplayName());
   1.316 +     	aUidArray.Append(iVideoUidArray[counter]);
   1.317 +     	}
   1.318 +    //Flushing out the existing seleced data and filling in with
   1.319 +    //all the video controllers and corresponding UID's for the next run
   1.320 +    iVideoControllers.ResetAndDestroy();
   1.321 +	iVideoUidArray.Reset();
   1.322 +    iFileLogger.Write(_L("Getting the Video Plugin List"));	
   1.323 +    CollectVideoControllersL(NULL);
   1.324 +    return aUidArray.Count();
   1.325 +   	}
   1.326 +
   1.327 +
   1.328 +/**
   1.329 +Extracts the list of all the extensions supported. 
   1.330 +
   1.331 +All the supported extensions by the system are retrieved including both audio and video.
   1.332 +
   1.333 +@param	aMediaType
   1.334 +		Specifies the media type ie audio/video.
   1.335 +@param 	aExtArray
   1.336 +		This array will contain all the supported extensions, when this method returns.
   1.337 +
   1.338 +@return number of supported extensions existing in the system.
   1.339 +
   1.340 +*/
   1.341 +EXPORT_C TInt CMVSControllerPluginInfo::GetExtensionListL(TBool aMediaType, CDesCArrayFlat* aExtArray)
   1.342 +	{
   1.343 +	CMMFFormatImplementationInformation* formatInfo;
   1.344 +	if(aMediaType)//selected video
   1.345 +		{
   1.346 +		if(iVideoUidArray.Count())
   1.347 +    		{
   1.348 +    		for(TInt counter = 0; counter < iVideoUidArray.Count(); counter++)
   1.349 +        		{
   1.350 +         	  	CMMFControllerImplementationInformation& plugin= *(iVideoControllers[counter]);
   1.351 +       			//Collect all supported 'Recording' formats
   1.352 +				const RMMFFormatImplInfoArray& recFormatInfo = plugin.RecordFormats();
   1.353 +       	 		for(TInt n = 0; n < recFormatInfo.Count(); n++)
   1.354 +					{
   1.355 +					formatInfo = recFormatInfo[n];
   1.356 +					const CDesC8Array& fileExtensions = formatInfo->SupportedFileExtensions();
   1.357 +					for(TInt innerCounter = 0;innerCounter < fileExtensions.Count();innerCounter++)
   1.358 +						{
   1.359 +						TBuf<16> buf;
   1.360 +						buf.Zero();
   1.361 +						buf.Copy(fileExtensions[innerCounter]);
   1.362 +						aExtArray->AppendL(buf);
   1.363 +						}
   1.364 +					}
   1.365 +          		}
   1.366 +        	}
   1.367 +		}
   1.368 +    else
   1.369 +    	{
   1.370 +    	if(iAudioUidArray.Count())
   1.371 +    		{
   1.372 +    		for(TInt counter = 0; counter < iAudioUidArray.Count(); counter++)
   1.373 +        		{
   1.374 +         	    CMMFControllerImplementationInformation& plugin= *(iAudioControllers[counter]);
   1.375 +       			//Collect all supported 'Recording' formats
   1.376 +				const RMMFFormatImplInfoArray& recFormatInfo = plugin.RecordFormats();
   1.377 +       	 		for(TInt n = 0; n < recFormatInfo.Count(); n++)
   1.378 +					{
   1.379 +					formatInfo = recFormatInfo[n];
   1.380 +					const CDesC8Array& fileExtensions = formatInfo->SupportedFileExtensions();
   1.381 +					for(TInt innerCounter = 0;innerCounter < fileExtensions.Count();innerCounter++)
   1.382 +						{
   1.383 +						TBuf<16> buf;
   1.384 +						buf.Zero();
   1.385 +						buf.Copy(fileExtensions[innerCounter]);
   1.386 +						aExtArray->AppendL(buf);
   1.387 +						}
   1.388 +					}
   1.389 +          		}
   1.390 +    		}
   1.391 +    	}
   1.392 +    iFileLogger.Write(_L("Getting the Extension List")); 
   1.393 +    return(aExtArray->Count());
   1.394 +    }
   1.395 +
   1.396 +
   1.397 +/**
   1.398 +Returns the type of the given media file. Returns NULL Uid if the 
   1.399 +	file is not supported by MMF.
   1.400 +
   1.401 +@param	aFile
   1.402 +		The name of the media file.
   1.403 +		
   1.404 +@return	Uid of the media.
   1.405 +*/
   1.406 +EXPORT_C TUid CMVSControllerPluginInfo::GetMediaTypeL(TDesC& aFile)
   1.407 +	{
   1.408 +	CMMFControllerPluginSelectionParameters* cSelect=NULL;
   1.409 +    CMMFFormatSelectionParameters* fSelect=NULL;
   1.410 +    TUid uid=TUid::Null();
   1.411 +    
   1.412 +    iSupportedControllers.ResetAndDestroy();
   1.413 +    iSupportedControllers.Close();
   1.414 +    
   1.415 +    cSelect =  CMMFControllerPluginSelectionParameters::NewLC();
   1.416 +
   1.417 +	fSelect = CMMFFormatSelectionParameters::NewLC();
   1.418 +   	fSelect->SetMatchToFileNameL(aFile);
   1.419 +    
   1.420 +   cSelect->SetRequiredPlayFormatSupportL(*fSelect);
   1.421 +   //Populate the controllers array
   1.422 +   cSelect->ListImplementationsL(iSupportedControllers);
   1.423 +               
   1.424 +	
   1.425 +    if(iSupportedControllers.Count())
   1.426 +   		{
   1.427 +   		//must be sufficient to check with one. not sure if MVS plays midi!
   1.428 +   		TBool video = iSupportedControllers[0]->SupportsMediaId(KUidMediaTypeVideo);
   1.429 +   		if(video)
   1.430 +   			{
   1.431 +   			uid=KUidMediaTypeVideo; 
   1.432 +   			}
   1.433 +   		else
   1.434 +   			{
   1.435 +   			uid=KUidMediaTypeAudio; 
   1.436 +   			}
   1.437 +   		CleanupStack::PopAndDestroy(2,cSelect);//fselect, cselect
   1.438 +   		}
   1.439 +   	else
   1.440 +   		{   	
   1.441 +	   	//If we are here, file extension has not matched any controller
   1.442 +	   	//Try to find controller based on header data
   1.443 +	   	HBufC8* headerData = HBufC8::NewLC(KMaxHeaderSize);
   1.444 +		TPtr8 headerDataPtr = headerData->Des();
   1.445 +					
   1.446 +		GetHeaderL(aFile, headerDataPtr);
   1.447 +		
   1.448 +		fSelect->SetMatchToHeaderDataL(headerDataPtr);
   1.449 +		cSelect->SetRequiredPlayFormatSupportL(*fSelect);
   1.450 +		//Populate the controllers array
   1.451 +		cSelect->ListImplementationsL(iSupportedControllers);
   1.452 +	               
   1.453 +		if(iSupportedControllers.Count())
   1.454 +	   		{
   1.455 +	   		TBool video = iSupportedControllers[0]->SupportsMediaId(KUidMediaTypeVideo);
   1.456 +	   		if(video)
   1.457 +	   			{
   1.458 +	   			uid=KUidMediaTypeVideo; 
   1.459 +	   			}
   1.460 +	   		else 
   1.461 +	   			{
   1.462 +	   			uid=KUidMediaTypeAudio; 
   1.463 +	   			}
   1.464 +	   		}
   1.465 +		CleanupStack::PopAndDestroy(3,cSelect);//fselect, cselect,headerData
   1.466 +   		}
   1.467 +    	
   1.468 +   	return uid;
   1.469 +   	}
   1.470 +
   1.471 +
   1.472 +/**
   1.473 +Returns the controller implementation information associated with the given controller
   1.474 +
   1.475 +@param  aControllerUid
   1.476 +        The Uid of the controller plugin
   1.477 +
   1.478 +@return	controller implementation structure 
   1.479 +*/
   1.480 +EXPORT_C CMMFControllerImplementationInformation& CMVSControllerPluginInfo::GetControllerInfo(TUid aControllerUid)
   1.481 +	{
   1.482 +    TInt index = -1;
   1.483 +    for(TInt counter = 0; counter < iUidArray.Count(); counter++)
   1.484 +       	{
   1.485 +       	TUid controllerUid = iUidArray[counter];
   1.486 +       	if(controllerUid == aControllerUid)
   1.487 +       		{
   1.488 +       		index = counter;
   1.489 +       		}
   1.490 +       	}
   1.491 +    iFileLogger.Write(_L("Getting the controller info"));  
   1.492 +    return *(iControllers[index]);
   1.493 +	}
   1.494 +
   1.495 +void CMVSControllerPluginInfo::GetHeaderL(TDesC& aFileName, TDes8& aHeaderData)
   1.496 +	{
   1.497 +	RFile file;
   1.498 +	RFs	fs;
   1.499 +			
   1.500 +	User::LeaveIfError(fs.Connect());
   1.501 +	CleanupClosePushL(fs);
   1.502 +	User::LeaveIfError(file.Open(fs, aFileName, EFileShareReadersOnly));
   1.503 +	CleanupClosePushL(file);
   1.504 +	User::LeaveIfError(file.Read(aHeaderData,KMaxHeaderSize));
   1.505 +		
   1.506 +	CleanupStack::PopAndDestroy(2,&fs);
   1.507 +	}
   1.508 +