sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Part of the MVS Agents for TechView
sl@0: //
sl@0: 
sl@0: #include "agentsutility.h"
sl@0: #include <e32def.h>
sl@0: const TInt KMaxHeaderSize = 256;
sl@0: 
sl@0: //CMVSControllerPluginInfo methods
sl@0: 
sl@0: /**
sl@0: Constructs and initialises a new instance of the controller plugin information class.
sl@0: 
sl@0: The function leaves if the controller plugin information object cannot be created.
sl@0: 
sl@0: No callback notification is made upon completion of NewL().
sl@0: 
sl@0: @return A pointer to the new controller plugin information object.
sl@0: 
sl@0: */
sl@0: EXPORT_C CMVSControllerPluginInfo* CMVSControllerPluginInfo::NewL()
sl@0: 	{
sl@0:     CMVSControllerPluginInfo* self = new(ELeave) CMVSControllerPluginInfo();
sl@0:     CleanupStack::PushL(self);
sl@0:     self->ConstructL();
sl@0:     CleanupStack::Pop(self);
sl@0:     return self;
sl@0:     }
sl@0: 
sl@0: 
sl@0: void CMVSControllerPluginInfo::ConstructL()
sl@0: 	{
sl@0:     TInt err = KErrNone;
sl@0:     CMMFControllerPluginSelectionParameters* cSelect=NULL;
sl@0:     CMMFFormatSelectionParameters* fSelect=NULL;
sl@0:     User::LeaveIfError(iFileLogger.Connect());
sl@0:     iFileLogger.CreateLog(_L("LogMVSappUi"),_L("LogFile.txt"),EFileLoggingModeAppend);    
sl@0:     cSelect =  CMMFControllerPluginSelectionParameters::NewLC();
sl@0:     RArray<TUid> mediaIds; //search for both audio and video
sl@0: 	TRAP(err, mediaIds.Append(KUidMediaTypeAudio));
sl@0:     TRAP(err, mediaIds.Append(KUidMediaTypeVideo));
sl@0:     
sl@0:     TRAP(err, cSelect->SetMediaIdsL(mediaIds,
sl@0:          CMMFPluginSelectionParameters::EAllowOtherMediaIds));
sl@0:     mediaIds.Close(); 
sl@0: 	
sl@0: 	fSelect = CMMFFormatSelectionParameters::NewLC();
sl@0: 	   
sl@0:     TRAP(err, {
sl@0:               cSelect->SetRequiredRecordFormatSupportL(*fSelect);
sl@0: 	          //Populate the controllers array
sl@0: 	          cSelect->ListImplementationsL(iControllers);
sl@0:               });
sl@0: 	CleanupStack::PopAndDestroy(2);
sl@0:     
sl@0:     for(TInt count = 0;count < iControllers.Count();count++)
sl@0:      	{
sl@0:     	iUidArray.AppendL(iControllers[count]->Uid());
sl@0:       	}
sl@0:     //During the construction get all the supported controllers,not for a specific extension.
sl@0:     CollectAudioControllersL(NULL); 
sl@0:     CollectVideoControllersL(NULL);
sl@0:     }
sl@0: 
sl@0: 
sl@0: void CMVSControllerPluginInfo::CollectAudioControllersL(TDesC* aExt)
sl@0: 	{	
sl@0: 	TInt err = KErrNone;
sl@0:     CMMFControllerPluginSelectionParameters* cSelect=NULL;
sl@0:     CMMFFormatSelectionParameters* fSelect=NULL;
sl@0: 
sl@0:     cSelect =  CMMFControllerPluginSelectionParameters::NewLC();
sl@0:     RArray<TUid> mediaIds; //search for audio only
sl@0: 	TRAP(err, mediaIds.Append(KUidMediaTypeAudio));
sl@0:     
sl@0:     TRAP(err, cSelect->SetMediaIdsL(mediaIds,
sl@0:          CMMFPluginSelectionParameters::EAllowOnlySuppliedMediaIds));
sl@0:     	
sl@0:     mediaIds.Close(); 
sl@0: 	
sl@0: 	fSelect = CMMFFormatSelectionParameters::NewLC();
sl@0:     if(aExt!=NULL)
sl@0:     	{
sl@0:      	fSelect->SetMatchToFileNameL(*aExt);	
sl@0:      	}   
sl@0:     TRAP(err, {
sl@0:               cSelect->SetRequiredRecordFormatSupportL(*fSelect);
sl@0: 	          //Populate the controllers array
sl@0: 	          cSelect->ListImplementationsL(iAudioControllers);
sl@0:               });
sl@0: 	
sl@0: 	CleanupStack::PopAndDestroy(2);
sl@0: 	
sl@0:     for(TInt count = 0;count < iAudioControllers.Count();count++)
sl@0:     	{
sl@0:      	iAudioUidArray.AppendL(iAudioControllers[count]->Uid());
sl@0:       	} 	
sl@0:   	}
sl@0: 
sl@0: 
sl@0: 
sl@0: void CMVSControllerPluginInfo::CollectAudioPlayControllersL(TDesC* aExt)
sl@0: 	{	
sl@0: 	TInt err = KErrNone;
sl@0:     CMMFFormatSelectionParameters* sSelect=NULL;
sl@0:     CMMFControllerPluginSelectionParameters* pSelect=NULL;
sl@0:     
sl@0:     RArray<TUid> mediaIds; //search for audio only
sl@0: 	pSelect =  CMMFControllerPluginSelectionParameters::NewLC();
sl@0:     
sl@0: 	TRAP(err, mediaIds.Append(KUidMediaTypeAudio));
sl@0:     
sl@0:     TRAP(err, pSelect->SetMediaIdsL(mediaIds,
sl@0:          CMMFPluginSelectionParameters::EAllowOnlySuppliedMediaIds));
sl@0:     
sl@0:     mediaIds.Close(); 
sl@0: 	
sl@0: 	sSelect = CMMFFormatSelectionParameters::NewLC();
sl@0:     if(aExt!=NULL)
sl@0:     	{
sl@0:      	sSelect->SetMatchToFileNameL(*aExt);	
sl@0:      	}   
sl@0:     
sl@0: 	TRAP(err,{
sl@0: 			 pSelect->SetRequiredPlayFormatSupportL(*sSelect);
sl@0: 	         //populate the play controllers array
sl@0: 	         pSelect->ListImplementationsL(iAudioPlayControllers);	
sl@0: 			 });
sl@0: 	CleanupStack::PopAndDestroy(2);
sl@0:     
sl@0:     for(TInt count = 0;count < iAudioPlayControllers.Count();count++)
sl@0:     	{
sl@0:      	iAudioPlayUidArray.AppendL(iAudioPlayControllers[count]->Uid());
sl@0:       	} 	
sl@0:     iFileLogger.Write(_L("CollectingAudioControllers "));  	
sl@0:  	}
sl@0: 
sl@0: 
sl@0: void CMVSControllerPluginInfo::CollectVideoControllersL(TDesC* aExt)
sl@0: 	{
sl@0: 	TInt err = KErrNone;
sl@0:     CMMFControllerPluginSelectionParameters* cSelect=NULL;
sl@0:     CMMFFormatSelectionParameters* fSelect=NULL;
sl@0:         
sl@0:     cSelect =  CMMFControllerPluginSelectionParameters::NewLC();
sl@0:     RArray<TUid> mediaIds; //search for audio only
sl@0: 	TRAP(err, mediaIds.Append(KUidMediaTypeVideo));
sl@0:     
sl@0:     TRAP(err, cSelect->SetMediaIdsL(mediaIds,
sl@0:          CMMFPluginSelectionParameters::EAllowOtherMediaIds));
sl@0:     mediaIds.Close(); 
sl@0: 	
sl@0: 	fSelect = CMMFFormatSelectionParameters::NewLC();
sl@0: 	if(aExt!=NULL)
sl@0:      	{
sl@0: 		fSelect->SetMatchToFileNameL(*aExt);    
sl@0:      	}
sl@0:     TRAP(err, {
sl@0:               cSelect->SetRequiredRecordFormatSupportL(*fSelect);
sl@0: 	          //Populate the controllers array
sl@0: 	          cSelect->ListImplementationsL(iVideoControllers);
sl@0:               });
sl@0: 	
sl@0: 	CleanupStack::PopAndDestroy(2);
sl@0: 
sl@0:     for(TInt count = 0;count < iVideoControllers.Count();count++)
sl@0:     	{
sl@0:      	iVideoUidArray.AppendL(iVideoControllers[count]->Uid());
sl@0:       	}
sl@0:     iFileLogger.Write(_L("CollectingVideoControllers ")) ;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Destructor.
sl@0: 
sl@0: Frees all resources owned by the object prior to its destruction.
sl@0: */
sl@0: EXPORT_C CMVSControllerPluginInfo::~CMVSControllerPluginInfo()
sl@0:     {
sl@0:     iControllers.ResetAndDestroy();
sl@0: 	iControllers.Close();
sl@0: 	iSupportedControllers.ResetAndDestroy();
sl@0: 	iSupportedControllers.Close();
sl@0: 	iAudioControllers.ResetAndDestroy();
sl@0: 	iAudioControllers.Close();
sl@0: 	iAudioPlayControllers.ResetAndDestroy();
sl@0: 	iAudioPlayControllers.Close();
sl@0: 	iVideoControllers.ResetAndDestroy();
sl@0: 	iVideoControllers.Close();
sl@0:     iUidArray.Close();
sl@0:     iAudioUidArray.Close();
sl@0:     iAudioPlayUidArray.Close();
sl@0:     iVideoUidArray.Close();
sl@0:     if(iFileLogger.Handle())
sl@0:     	{
sl@0:     	iFileLogger.CloseLog();
sl@0: 		iFileLogger.Close();
sl@0:     	}
sl@0:     }
sl@0: 
sl@0: 
sl@0: CMVSControllerPluginInfo::CMVSControllerPluginInfo()
sl@0:     {
sl@0:     }
sl@0: 
sl@0: 
sl@0: /**
sl@0: Fetches an array of all the display names of the 
sl@0: controller plugins existing currently in the system and an array of their Uid's
sl@0: 
sl@0: The data must be in a supported format (for example, WAV ,OGG or AVI).
sl@0: 
sl@0: @param	aDisplayNames
sl@0: 		This array will contain all the displaynames of the controllers when this method returns.
sl@0: @param 	aUidArray
sl@0: 		This array will contain all the Uids when this method returns.
sl@0: 
sl@0: @return  number of plugins existing in the system.
sl@0: 
sl@0: */
sl@0: EXPORT_C TInt CMVSControllerPluginInfo::GetPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray)
sl@0: 	{
sl@0: 	for(TInt counter = 0;counter < iControllers.Count();counter++)
sl@0:      	{
sl@0:      	aDisplayNames->AppendL(iControllers[counter]->DisplayName());
sl@0:      	aUidArray.Append(iUidArray[counter]);
sl@0:      	}
sl@0:     iFileLogger.Write(_L("Getting the Plugin List"));
sl@0:     return aUidArray.Count();
sl@0:     }
sl@0:  
sl@0: 
sl@0: /**
sl@0: Fetches an array of all the display names of the 
sl@0: audio controller plugins existing currently in the system and an array of their Uid's
sl@0: 
sl@0: @param	aDisplayNames
sl@0: 		This array will contain all the displaynames of the audio controllers for the specified 
sl@0: 		extension, when this method returns.
sl@0: @param 	aUidArray
sl@0: 		This array will contain all the corresponding Uids when this method returns.
sl@0: @param  aExt
sl@0: 	    The specific extension (for example WAV or OGG) for which the supported controllers is to be retrieved 
sl@0: 
sl@0: @return number of audio plugins existing in the system.
sl@0: 
sl@0: */
sl@0: EXPORT_C TInt CMVSControllerPluginInfo::GetAudioPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray,RArray<TUid>& aUidPlayArray, TDesC* aExt)
sl@0: 	{
sl@0: 	iAudioControllers.ResetAndDestroy();
sl@0: 	iAudioUidArray.Reset();
sl@0: 	iAudioPlayControllers.ResetAndDestroy();
sl@0: 	iAudioPlayUidArray.Reset();
sl@0: 	CollectAudioControllersL(aExt);
sl@0: 	CollectAudioPlayControllersL(aExt);
sl@0: 	for(TInt counter = 0;counter < iAudioControllers.Count();counter++)
sl@0:     	{
sl@0:      	aDisplayNames->AppendL(iAudioControllers[counter]->DisplayName());
sl@0:      	aUidArray.Append(iAudioUidArray[counter]);
sl@0:      	}
sl@0:     for(TInt counter = 0;counter < iAudioPlayControllers.Count();counter++)
sl@0:      	{
sl@0:       	aUidPlayArray.Append(iAudioPlayUidArray[counter]);
sl@0:      	}
sl@0:     iFileLogger.Write(_L("Getting the Audio Plugin List"));
sl@0:     //Flushing out the existing seleced data and filling in with
sl@0:     //all the audio controllers and corresponding UID's for the next run
sl@0:     iAudioControllers.ResetAndDestroy();
sl@0: 	iAudioUidArray.Reset();
sl@0: 	iAudioPlayControllers.ResetAndDestroy();
sl@0: 	iAudioPlayUidArray.Reset();
sl@0:     iFileLogger.Write(_L("Getting the Video Plugin List"));	
sl@0:     CollectAudioControllersL(NULL);
sl@0:     return aUidArray.Count();
sl@0: 	}
sl@0:  
sl@0: 
sl@0: /**
sl@0: Fetches an array of all the display names of the 
sl@0: video controller plugins existing currently in the system and an array of their Uid's
sl@0: 
sl@0: @param	aDisplayNames
sl@0: 		This array will contain all the displaynames of the video controllers for the specified 
sl@0: 		extension, when this method returns.
sl@0: @param 	aUidArray
sl@0: 		This array will contain all the corresponding Uids when this method returns.
sl@0: @param  aExt
sl@0: 	    The specific extension (for example AVI) for which the supported controllers is to be retrieved.
sl@0: 
sl@0: @return number of video plugins existing in the system.
sl@0: 
sl@0: */
sl@0: EXPORT_C TInt CMVSControllerPluginInfo::GetVideoPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray,TDesC* aExt)
sl@0: 	{
sl@0: 	iVideoControllers.ResetAndDestroy();
sl@0: 	iVideoUidArray.Reset();
sl@0: 	CollectVideoControllersL(aExt);
sl@0: 	for(TInt counter = 0;counter < iVideoControllers.Count();counter++)
sl@0:      	{
sl@0:      	aDisplayNames->AppendL(iVideoControllers[counter]->DisplayName());
sl@0:      	aUidArray.Append(iVideoUidArray[counter]);
sl@0:      	}
sl@0:     //Flushing out the existing seleced data and filling in with
sl@0:     //all the video controllers and corresponding UID's for the next run
sl@0:     iVideoControllers.ResetAndDestroy();
sl@0: 	iVideoUidArray.Reset();
sl@0:     iFileLogger.Write(_L("Getting the Video Plugin List"));	
sl@0:     CollectVideoControllersL(NULL);
sl@0:     return aUidArray.Count();
sl@0:    	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: Extracts the list of all the extensions supported. 
sl@0: 
sl@0: All the supported extensions by the system are retrieved including both audio and video.
sl@0: 
sl@0: @param	aMediaType
sl@0: 		Specifies the media type ie audio/video.
sl@0: @param 	aExtArray
sl@0: 		This array will contain all the supported extensions, when this method returns.
sl@0: 
sl@0: @return number of supported extensions existing in the system.
sl@0: 
sl@0: */
sl@0: EXPORT_C TInt CMVSControllerPluginInfo::GetExtensionListL(TBool aMediaType, CDesCArrayFlat* aExtArray)
sl@0: 	{
sl@0: 	CMMFFormatImplementationInformation* formatInfo;
sl@0: 	if(aMediaType)//selected video
sl@0: 		{
sl@0: 		if(iVideoUidArray.Count())
sl@0:     		{
sl@0:     		for(TInt counter = 0; counter < iVideoUidArray.Count(); counter++)
sl@0:         		{
sl@0:          	  	CMMFControllerImplementationInformation& plugin= *(iVideoControllers[counter]);
sl@0:        			//Collect all supported 'Recording' formats
sl@0: 				const RMMFFormatImplInfoArray& recFormatInfo = plugin.RecordFormats();
sl@0:        	 		for(TInt n = 0; n < recFormatInfo.Count(); n++)
sl@0: 					{
sl@0: 					formatInfo = recFormatInfo[n];
sl@0: 					const CDesC8Array& fileExtensions = formatInfo->SupportedFileExtensions();
sl@0: 					for(TInt innerCounter = 0;innerCounter < fileExtensions.Count();innerCounter++)
sl@0: 						{
sl@0: 						TBuf<16> buf;
sl@0: 						buf.Zero();
sl@0: 						buf.Copy(fileExtensions[innerCounter]);
sl@0: 						aExtArray->AppendL(buf);
sl@0: 						}
sl@0: 					}
sl@0:           		}
sl@0:         	}
sl@0: 		}
sl@0:     else
sl@0:     	{
sl@0:     	if(iAudioUidArray.Count())
sl@0:     		{
sl@0:     		for(TInt counter = 0; counter < iAudioUidArray.Count(); counter++)
sl@0:         		{
sl@0:          	    CMMFControllerImplementationInformation& plugin= *(iAudioControllers[counter]);
sl@0:        			//Collect all supported 'Recording' formats
sl@0: 				const RMMFFormatImplInfoArray& recFormatInfo = plugin.RecordFormats();
sl@0:        	 		for(TInt n = 0; n < recFormatInfo.Count(); n++)
sl@0: 					{
sl@0: 					formatInfo = recFormatInfo[n];
sl@0: 					const CDesC8Array& fileExtensions = formatInfo->SupportedFileExtensions();
sl@0: 					for(TInt innerCounter = 0;innerCounter < fileExtensions.Count();innerCounter++)
sl@0: 						{
sl@0: 						TBuf<16> buf;
sl@0: 						buf.Zero();
sl@0: 						buf.Copy(fileExtensions[innerCounter]);
sl@0: 						aExtArray->AppendL(buf);
sl@0: 						}
sl@0: 					}
sl@0:           		}
sl@0:     		}
sl@0:     	}
sl@0:     iFileLogger.Write(_L("Getting the Extension List")); 
sl@0:     return(aExtArray->Count());
sl@0:     }
sl@0: 
sl@0: 
sl@0: /**
sl@0: Returns the type of the given media file. Returns NULL Uid if the 
sl@0: 	file is not supported by MMF.
sl@0: 
sl@0: @param	aFile
sl@0: 		The name of the media file.
sl@0: 		
sl@0: @return	Uid of the media.
sl@0: */
sl@0: EXPORT_C TUid CMVSControllerPluginInfo::GetMediaTypeL(TDesC& aFile)
sl@0: 	{
sl@0: 	CMMFControllerPluginSelectionParameters* cSelect=NULL;
sl@0:     CMMFFormatSelectionParameters* fSelect=NULL;
sl@0:     TUid uid=TUid::Null();
sl@0:     
sl@0:     iSupportedControllers.ResetAndDestroy();
sl@0:     iSupportedControllers.Close();
sl@0:     
sl@0:     cSelect =  CMMFControllerPluginSelectionParameters::NewLC();
sl@0: 
sl@0: 	fSelect = CMMFFormatSelectionParameters::NewLC();
sl@0:    	fSelect->SetMatchToFileNameL(aFile);
sl@0:     
sl@0:    cSelect->SetRequiredPlayFormatSupportL(*fSelect);
sl@0:    //Populate the controllers array
sl@0:    cSelect->ListImplementationsL(iSupportedControllers);
sl@0:                
sl@0: 	
sl@0:     if(iSupportedControllers.Count())
sl@0:    		{
sl@0:    		//must be sufficient to check with one. not sure if MVS plays midi!
sl@0:    		TBool video = iSupportedControllers[0]->SupportsMediaId(KUidMediaTypeVideo);
sl@0:    		if(video)
sl@0:    			{
sl@0:    			uid=KUidMediaTypeVideo; 
sl@0:    			}
sl@0:    		else
sl@0:    			{
sl@0:    			uid=KUidMediaTypeAudio; 
sl@0:    			}
sl@0:    		CleanupStack::PopAndDestroy(2,cSelect);//fselect, cselect
sl@0:    		}
sl@0:    	else
sl@0:    		{   	
sl@0: 	   	//If we are here, file extension has not matched any controller
sl@0: 	   	//Try to find controller based on header data
sl@0: 	   	HBufC8* headerData = HBufC8::NewLC(KMaxHeaderSize);
sl@0: 		TPtr8 headerDataPtr = headerData->Des();
sl@0: 					
sl@0: 		GetHeaderL(aFile, headerDataPtr);
sl@0: 		
sl@0: 		fSelect->SetMatchToHeaderDataL(headerDataPtr);
sl@0: 		cSelect->SetRequiredPlayFormatSupportL(*fSelect);
sl@0: 		//Populate the controllers array
sl@0: 		cSelect->ListImplementationsL(iSupportedControllers);
sl@0: 	               
sl@0: 		if(iSupportedControllers.Count())
sl@0: 	   		{
sl@0: 	   		TBool video = iSupportedControllers[0]->SupportsMediaId(KUidMediaTypeVideo);
sl@0: 	   		if(video)
sl@0: 	   			{
sl@0: 	   			uid=KUidMediaTypeVideo; 
sl@0: 	   			}
sl@0: 	   		else 
sl@0: 	   			{
sl@0: 	   			uid=KUidMediaTypeAudio; 
sl@0: 	   			}
sl@0: 	   		}
sl@0: 		CleanupStack::PopAndDestroy(3,cSelect);//fselect, cselect,headerData
sl@0:    		}
sl@0:     	
sl@0:    	return uid;
sl@0:    	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: Returns the controller implementation information associated with the given controller
sl@0: 
sl@0: @param  aControllerUid
sl@0:         The Uid of the controller plugin
sl@0: 
sl@0: @return	controller implementation structure 
sl@0: */
sl@0: EXPORT_C CMMFControllerImplementationInformation& CMVSControllerPluginInfo::GetControllerInfo(TUid aControllerUid)
sl@0: 	{
sl@0:     TInt index = -1;
sl@0:     for(TInt counter = 0; counter < iUidArray.Count(); counter++)
sl@0:        	{
sl@0:        	TUid controllerUid = iUidArray[counter];
sl@0:        	if(controllerUid == aControllerUid)
sl@0:        		{
sl@0:        		index = counter;
sl@0:        		}
sl@0:        	}
sl@0:     iFileLogger.Write(_L("Getting the controller info"));  
sl@0:     return *(iControllers[index]);
sl@0: 	}
sl@0: 
sl@0: void CMVSControllerPluginInfo::GetHeaderL(TDesC& aFileName, TDes8& aHeaderData)
sl@0: 	{
sl@0: 	RFile file;
sl@0: 	RFs	fs;
sl@0: 			
sl@0: 	User::LeaveIfError(fs.Connect());
sl@0: 	CleanupClosePushL(fs);
sl@0: 	User::LeaveIfError(file.Open(fs, aFileName, EFileShareReadersOnly));
sl@0: 	CleanupClosePushL(file);
sl@0: 	User::LeaveIfError(file.Read(aHeaderData,KMaxHeaderSize));
sl@0: 		
sl@0: 	CleanupStack::PopAndDestroy(2,&fs);
sl@0: 	}
sl@0: