Symaptic: os/mm/mmlibs/mmfw/src/Client/Utility/mmfclientutility.h@bde4ae8d615e

     1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Client utility functions

    15 //

    16 //

    18 #ifndef __MMF_CLIENT_UTILITY_H__

    19 #define __MMF_CLIENT_UTILITY_H__

    21 #include <mda/common/audio.h>

    22 #include <mda/common/gsmaudio.h>

    23 #include <mda/client/utility.h>

    24 #include <mmf/common/mmffourcc.h>

    25 #include <mmfformatimplementationuids.hrh>

    26 #include "mmf/common/mmfcontrollerpluginresolver.h"

    27 #include <mmf/server/mmffile.h>

    28 #include <mmf/server/mmfdes.h>

    29 #include "mmf/common/mmfcontroller.h"

    31 #include <f32file.h>

    32 #include <caf/content.h>

    33 #include <caf/data.h>

    34 #include <mmf/common/mmfstandardcustomcommands.h>

    35 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

    36 #include <mmf/common/mmfstandardcustomcommandsenums.h>

    37 #include <mmf/common/mmfstandardcustomcommandsimpl.h>

    38 #endif

    39 #ifdef SYMBIAN_BUILD_GCE

    40 #include <mmf/common/mmfvideosurfacecustomcommands.h>

    41 #endif

    43 class CMMSourceSink; // declared here.

    45 NONSHARABLE_CLASS( CMMSourceSink ): public CBase

    46 	{

    47 public:

    48 	IMPORT_C static CMMSourceSink* NewL(TUid aUid, const TDesC8& aDescriptor);

    49 	IMPORT_C static CMMSourceSink* NewLC(TUid aUid, const TDesC8& aDescriptor);

    51 	virtual ~CMMSourceSink();

    52 	virtual TUid SourceSinkUid() const;

    53 	virtual const TDesC8& SourceSinkData() const;

    55 	virtual TBool CarryingFileHandle() const;

    57 	virtual void EvaluateIntentL();

    58 protected:

    59 	CMMSourceSink(TUid aUid);

    62 private:

    63 	void ConstructL(const TDesC8& aDescriptor);

    65 	const TUid iUid;

    66 	HBufC8* iBuf;

    67 	};

    72 class CMMFileSourceSink; // declared here.

    74 NONSHARABLE_CLASS( CMMFileSourceSink ): public CMMSourceSink

    75 	{

    76 public:

    77 	IMPORT_C static CMMFileSourceSink* NewL(TUid aUid, const RFile& aFile);

    78 	IMPORT_C static CMMFileSourceSink* NewLC(TUid aUid, const RFile& aFile);

    80 	IMPORT_C static CMMFileSourceSink* NewL(TUid aUid, const TMMSource& aMMSource);

    81 	IMPORT_C static CMMFileSourceSink* NewLC(TUid aUid, const TMMSource& aMMSource);

    83 	const TDesC& UniqueId() const {return *iUniqueId;}

    85 	virtual ~CMMFileSourceSink();

    87 	const TDesC& FileName() const {return *iFileName;}

    88 	const TDesC8& SourceSinkData() const;

    90 	IMPORT_C void EvaluateIntentL(ContentAccess::TIntent aIntent);

    91 	virtual void EvaluateIntentL();

    93 	TBool CarryingFileHandle() const;

    95 	TBool UsingFileHandle() const {return iUsingFileHandle;};

    96 	const RFile& FileHandle() const {return iHandle;};

    97 protected:

    98 	CMMFileSourceSink(TUid aUid);

   100 private:

   101 	void ConstructL(const TMMSource& aSource);

   102 	void DoCreateFileSourceConfigDataL();

   103 	void ConstructL(const RFile& aFile);

   104 	void DoCreateFileHandleSourceConfigDataL();

   106 	TBool iUsingFileHandle;

   107 	RFile iHandle;

   108 	HBufC* iFileName;

   109 	HBufC8* iSourceSinkData;

   110 	HBufC* iUniqueId;

   111 	ContentAccess::TIntent iIntent;

   113 	TBool	iEnableUI;

   114 	};

   118 class CMMFMdaObjectStateChangeObserverCallback; // declared here.

   119 /**

   120 Active object utility class to allow the callback to be called asynchronously.

   121 This should help prevent re-entrant code in clients of the mediaframework.

   122 */

   123 NONSHARABLE_CLASS( CMMFMdaObjectStateChangeObserverCallback ): public CActive

   124 	{

   125 public:

   126 	IMPORT_C static CMMFMdaObjectStateChangeObserverCallback* NewL(MMdaObjectStateChangeObserver& aCallback);

   127 	virtual ~CMMFMdaObjectStateChangeObserverCallback();

   128 	IMPORT_C void CallBack(CBase* aObject, TInt aPreviousState, TInt aCurrentState, TInt aErrorCode);

   129 private:

   130 	CMMFMdaObjectStateChangeObserverCallback(MMdaObjectStateChangeObserver& aCallback);

   131 	void RunL();

   132 	void DoCancel();

   133 private:

   134 	MMdaObjectStateChangeObserver& iCallback;

   135 	CBase* iObject;

   136 	TInt iPreviousState;

   137 	TInt iCurrentState;

   138 	TInt iErrorCode;

   139 	};

   141 class CMMFClientUtility; // declared here.

   143 NONSHARABLE_CLASS( CMMFClientUtility )

   144 	{

   145 public:

   146 	IMPORT_C static TUid ConvertMdaFormatUidToECOMWrite(TUid aMdaFormatUid);

   147 	IMPORT_C static TUid ConvertMdaFormatUidToECOMRead(TUid aMdaFormatUid);

   148 	IMPORT_C static TFourCC ConvertMdaCodecToFourCC(TMdaPackage& aCodec);

   149 	IMPORT_C static TInt GetFileHeaderData(const TDesC& aFileName, TDes8& aHeaderData, TInt aMaxLength);

   150 	IMPORT_C static HBufC8* GetFileExtensionL(const TDesC& aFileName);

   151 	static void PrioritiseControllersL(

   152 		const RMMFControllerImplInfoArray& aControllers,

   153 		const TDesC8& aHeaderDataPlayback,

   154 		const TDesC8& aFileExtensionPlayback,

   155 		const TDesC8& aHeaderDataRecord,

   156 		const TDesC8& aFileExtensionRecord,

   157 		RMMFControllerImplInfoArray& aPrioritisedControllers);

   158 	static TInt GetBestMatchL(const CMMFFormatImplementationInformation* format, const TDesC8& aHeaderData, const TDesC8& aFileExtension);

   160 private:

   161 	CMMFClientUtility();

   162 	};

   164 class CMMFUtilityFileInfo; // declared here.

   165 class RMMFDRMPluginServerProxy;

   167 NONSHARABLE_CLASS( CMMFUtilityFileInfo ): public CBase

   168 	{

   169 public:

   171 	static CMMFUtilityFileInfo* NewL(TMMSource& aSource, TBool aSecureDRMMode = EFalse);

   172 	static CMMFUtilityFileInfo* NewLC(TMMSource& aSource, TBool aSecureDRMMode = EFalse);

   174 	~CMMFUtilityFileInfo();

   176 	TBool GetFileMimeTypeL(TDes8& aMimeType);

   177 	void  GetFileHeaderDataL(TDes8& aHeaderData, TInt aMaxLength);

   178 	TInt EvaluateIntent(ContentAccess::TIntent aIntent);

   180 private:

   181 	CMMFUtilityFileInfo();

   183 	void ConstructL(const TMMSource& aSource, TBool aSecureDRMMode);

   185 private:

   186 	ContentAccess::CData* iData;

   187 	RMMFDRMPluginServerProxy* iDrmPluginServer;

   188 	};

   190 inline CMMFUtilityFileInfo::CMMFUtilityFileInfo()

   191 	{

   192 	};

   194 /**

   195  * Mixin class that the user of the class CMMFFindAndOpenController must derive from.

   196  * @internalComponent

   197  */

   198 class MMMFFindAndOpenControllerObserver

   199 	{

   200 public:

   201 	/**

   202 	 * Callback function to indicate the success or failure

   203 	 * of an attempt to find and open a suitable controller and

   204 	 * to add a source and sink.

   205 	 * @see CMMFFindAndOpenController

   206 	 *

   207 	 * @param aError

   208 	 *        Indicates whether a controller has been opened sucessfully

   209 	 *        This is passed by reference, mainly for the audio recorder utility

   210 	 *        which opens two controllers: if the secondary controller (which is

   211 	 *        always opened first) fails to open, then the audio recorder utility

   212 	 *        may choose to set aError = KErrNone in the MfaocComplete() callback

   213 	 *        to indicate to CFindAndOpenControler() that it should continue

   214 	 *        to open the primary controller, even though opening the secondary failed.

   215 	 * @param aController

   216 	 *        A pointer to the controller that has been opened or has failed to open

   217 	 *        This is mainly for the audio recorder utility to indicate

   218 	 *        which controller (primary or secondary) has been opened.

   219 	 * @param aControllerUid

   220 	 *        the UID of the controller that has been opened

   221 	 * @param aSourceHandle

   222 	 *        a pointer to the source handle

   223 	 * @internalComponent

   224 	 *        a pointer to the sink handle

   225 	 */

   226 	virtual void MfaocComplete(

   227 		TInt& aError,

   228 		RMMFController* aController,

   229 		TUid aControllerUid = KNullUid,

   230 		TMMFMessageDestination* aSourceHandle = NULL,

   231 		TMMFMessageDestination* aSinkHandle = NULL) = 0;

   232 	};

   235 class CMMFFindAndOpenController; // declared here.

   236 /**

   237  * Utility class used by the MMF client API classes.

   238  * Finds and opens a suitable controller and adds a source and a sink

   239  * asynchronously. Completion is indicated asynchronously

   240  * using the MMMFFindAndOpenControllerObserver mixin class.

   241  *

   242  * @internalComponent

   243  */

   244 NONSHARABLE_CLASS( CMMFFindAndOpenController ): public CActive, public MMMFAddDataSourceSinkAsyncObserver

   245 	{

   246 public:

   247 	enum TControllerMode

   248 		{

   249 		EPlayback,

   250 		ERecord,

   251 		EConvert

   252 		};

   254 	enum TControllerNumber

   255 		{

   256 		EPrimaryController,

   257 		ESecondaryController

   258 		};

   260 	class TSourceSink

   261 		{

   262 	public:

   263 		IMPORT_C TSourceSink(TUid aUid, const TDesC8& aData = KNullDesC8);

   264 		IMPORT_C TSourceSink(TUid aUid, const RFile& aFile);

   266 		TUid iUid;

   267 		const TDesC8& iConfigData;

   268 		TBool iUseFileHandle;

   269 		RFile iFileHandle;

   270 		};

   275 public:

   276 	IMPORT_C static CMMFFindAndOpenController* NewL(MMMFFindAndOpenControllerObserver& aObserver);

   277 	virtual ~CMMFFindAndOpenController();

   279 	// from CActive

   280 	virtual void DoCancel();

   281 	virtual void RunL();

   283 	// from MMMFAddDataSourceSinkAsyncObserver

   284 	virtual void MadssaoAddDataSourceSinkAsyncComplete(TInt aError, const TMMFMessageDestination& aHandle);

   286 	IMPORT_C void Configure(

   287 		TUid aMediaId,

   288 		TMMFPrioritySettings aPrioritySettings,

   289 		CMMFPluginSelectionParameters::TMediaIdMatchType aMediaIdMatchType = CMMFPluginSelectionParameters::EAllowOnlySuppliedMediaIds);

   291 	IMPORT_C void ConfigureController(RMMFController& aController, CMMFControllerEventMonitor& aEventMonitor, TControllerMode aControllerMode = EPlayback);

   292 	IMPORT_C void ConfigureSecondaryController(RMMFController& aController, CMMFControllerEventMonitor& aEventMonitor, TControllerMode aControllerMode = EPlayback);

   294 	IMPORT_C void UseSharedHeap();

   296 	IMPORT_C void ConfigureSourceSink(

   297 		TSourceSink aSource,

   298 		TSourceSink aSink);

   299 	IMPORT_C void ConfigureSecondarySourceSink(

   300 		TSourceSink aSource,

   301 		TSourceSink aSink);

   303 	IMPORT_C void ConfigureSourceSink(

   304 		const TMMSource& aSource,

   305 		TSourceSink aSink);

   307 	IMPORT_C void OpenByFileSource(const TMMSource& aFileSource, const TDesC& aFileNameSecondary = KNullDesC);

   309 	IMPORT_C void OpenByFormatUid(TUid aFormatUid, TUid aFormatUidSecondary = KNullUid);

   310 	IMPORT_C void OpenByDescriptor(const TDesC8& aDescriptor);

   311 	IMPORT_C void OpenByUrl(const TDesC& aUrl, TInt aIapId, const TDesC8& aMimeType);

   312 	IMPORT_C void OpenByControllerUid(TUid aControllerUid, TUid aSecondaryControllerUid = KNullUid);

   313 	IMPORT_C void ReOpen();

   314 	IMPORT_C void Close();

   316 	IMPORT_C static TMMFFileConfig GetConfigFile(const TDesC& aFileName);

   317 	IMPORT_C static TMMFDescriptorConfig GetConfigDescriptor(const TDesC8& aDescriptor);

   318 	IMPORT_C void CloseConfig();

   319 	IMPORT_C static void GetConfigUrlL(CBufFlat*& aUrlCfgBuffer, const TDesC& aUrl, TInt aIapId);

   321 	/** made public to check for further selected controllers in the queue */

   322 	inline TInt ControllerIndex() const;

   323 	inline TInt ControllerCount() const;

   325 	/** made public to stop checking for further selected controllers in the queue */

   326 	inline TBool StopTryLoadController() const;

   327 	IMPORT_C void SetInitScreenNumber(TInt aScreenNumber, RMMFVideoSetInitScreenCustomCommands* aVideoSetInitScreenCustomCommands);

   328 #ifdef SYMBIAN_BUILD_GCE

   329 	inline void SetSurfaceMode(TBool aUseSurface, RMMFVideoPlaySurfaceSupportCustomCommands* aVideoPlaySurfaceSupportCustomCommands);

   330 	inline TInt SurfaceSupported();

   331 #endif

   333 private:

   334 	class CConfig: public CBase

   335 		{

   336 	public:

   337 		CConfig();

   338 		~CConfig();

   339 		void Close();

   340 	public:

   341 		RMMFController* iController;				// not owned

   342 		CMMFControllerEventMonitor* iEventMonitor;	// not owned

   344 		/** indicates whether this controller is being used for

   345 		playback, recording or converting */

   346 		TControllerMode iControllerMode;

   348 		CMMSourceSink* iSource;

   349 		CMMSourceSink* iSink;

   350 		TUid iControllerUid;

   351 		};

   353 	CMMFFindAndOpenController(MMMFFindAndOpenControllerObserver& aObserver);

   354 	void ConstructL();

   356 	void Init();

   358 	void ConfigureSourceSink(

   359 		CConfig& config,

   360 		TSourceSink aSource,

   361 		TSourceSink aSink);

   363 	void ConfigureSourceSink(

   364 		CConfig& config,

   365 		const TMMSource& aSource,

   366 		TSourceSink aSink);

   369 	void ConfigureController(

   370 		CConfig& config,

   371 		RMMFController& aController,

   372 		CMMFControllerEventMonitor& aEventMonitor,

   373 		TControllerMode aControllerMode);

   375 	void CloseController();

   377 	void OpenPrimaryController(void);

   379 	void KickState();

   380 	void Process();

   381 	void SendError(TInt aError = KErrNone, TBool aForcedError = EFalse);

   382 	void SchedSendError(TInt aError = KErrNone);

   383 	void BuildControllerListFileNameL();

   384 	void BuildControllerListDescriptorL();

   385 	void BuildControllerListUrlL();

   386 	void BuildControllerListFormatL();

   387 	void TryNextController();

   389 	CMMSourceSink* CreateSourceSinkL(const TSourceSink& aParams);

   390 	CMMSourceSink* CreateSourceSinkL(const TMMSource& aSource);

   392 	CMMFUtilityFileInfo* CreateFileInfoL(TBool aSecureDRMMode = EFalse);

   393 	void UseSecureDRMProcessL(TBool& aIsSecureDrmProcess);

   394 private:

   395 	/** primary controller details */

   396 	CConfig* iPrimaryConfig;

   397 	/** secondary controller details */

   398 	CConfig* iSecondaryConfig;

   399 	/** points to either iPrimaryConfig or iSecondaryConfig */

   400 	CConfig* iCurrentConfig;	// not owned

   402 	enum TMode

   403 		{

   404 		EOpenByControllerUid,

   405 		EOpenByFileName,

   406 		EOpenByDescriptor,

   407 		EOpenByUrl,

   408 		EOpenByFormatUid

   409 		};

   410 	TMode iMode;

   412 	/** indicates what state the state machine is in */

   413 	enum TState

   414 		{

   415 		EIdle,

   416 		EBuildControllerList,

   417 		EOpenController,

   418 		EAddSource,

   419 		EAddSink,

   420 		EWaitingForSource,

   421 		EWaitingForSink,

   422 		ESendError

   423 		};

   424 	TState iState;

   426 	MMMFFindAndOpenControllerObserver& iObserver;

   427 	CMMFAddDataSourceSinkAsync* iAddDataSourceSinkAsync;

   429 	TInt iControllerIndex;

   430 	TInt iControllerCount;

   432 	TFileName iFileNameSecondary;	// for converting

   434 	TFileName iFileName;

   435 	TBool iUseFileHandle;

   436 	TBool iOwnFileHandle;

   437 	HBufC* iUniqueId;

   438 	RFile iFileHandle;

   439 	ContentAccess::TIntent iIntent;

   441 	HBufC* iUrl;

   442 	HBufC8* iMimeType;

   443 	TPtr8 iDescriptor;

   444 	TInt iIapId;

   445 	TUid iFormatUid;

   446 	TUid iFormatUidSecondary;	// for converting

   448 	TUid iMediaId;

   449 	TMMFPrioritySettings iPrioritySettings;

   450 	CMMFPluginSelectionParameters::TMediaIdMatchType iMediaIdMatchType;

   452 	RMMFControllerImplInfoArray iControllers;

   453 	RMMFControllerImplInfoArray iPrioritisedControllers;

   455 	// if this is non-null, then it points to an element in

   456 	// either iControllers or iPrioritisedControllers

   457 	CMMFControllerImplementationInformation* iControllerImplInfo;	// not owned

   459 	TControllerMode iControllerMode;

   460 	TBool iSourceSinkConfigured;

   461 	TInt iError;

   463 	TMMFMessageDestination iSourceHandle;

   464 	TMMFMessageDestination iSinkHandle;

   465 	TBool iEnableUi;

   467 	TBool iUseSharedHeap; // should new controllers use shared heaps?

   468 	TBool iStopTryLoadController; //stop to try loading the selected conrollers from the list

   469 	RMMFVideoSetInitScreenCustomCommands* iVideoSetInitScreenCustomCommands;

   470 	TInt iScreenNumber;

   471 	TBool iHasDrmCapability;

   472 	TBool iUsingSecureDrmProcess;

   474 #ifdef SYMBIAN_BUILD_GCE

   475 	RMMFVideoPlaySurfaceSupportCustomCommands* iVideoPlaySurfaceSupportCustomCommands;

   476 	TBool iUseVPU2;

   477 	TInt iSurfaceSupported;

   478 #endif

   479 	};

   481 inline TInt CMMFFindAndOpenController::ControllerIndex() const

   482 	{

   483 	return iControllerIndex;

   484 	}

   486 inline TInt CMMFFindAndOpenController::ControllerCount() const

   487 	{

   488 	return iControllerCount;

   489 	}

   491 inline TBool CMMFFindAndOpenController::StopTryLoadController() const

   492 	{

   493 	return iStopTryLoadController;

   494 	}

   496 #ifdef SYMBIAN_BUILD_GCE

   497 inline void CMMFFindAndOpenController::SetSurfaceMode(TBool aUseVPU2, RMMFVideoPlaySurfaceSupportCustomCommands* aVideoPlaySurfaceSupportCustomCommands)

   498 	{

   499 	iUseVPU2 = aUseVPU2;

   500 	iSurfaceSupported = KErrNone;

   501 	iVideoPlaySurfaceSupportCustomCommands = aVideoPlaySurfaceSupportCustomCommands;

   502 	}

   504 inline TInt CMMFFindAndOpenController::SurfaceSupported()

   505 	{

   506 	return iSurfaceSupported;

   507 	}

   508 #endif	// SYMBIAN_BUILD_GCE

   510 #endif // __MMF_CLIENT_UTILITY_H__

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--