1 // Copyright (c) 2003-2009 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 //

    15 

    16 #ifndef __DEVVIDEOINTERNAL_H__

    17 #define __DEVVIDEOINTERNAL_H__

    18 

    19 #include <e32base.h>

    20 #include <ecom/ecom.h>

    21 

    22 /**

    23 Static utilities class.

    24 @internalComponent

    25 */

    26 class DevVideoUtilities

    27 	{

    28 public:

    29 	/** 

    30 	Convert a text number into a real number using lexical analysis

    31 	*/

    32 	static TInt ConvertTextToTUint32(const TDesC8& aData, TUint32& aNumber);

    33 

    34 	/**

    35 	Inspect the plugin implementation information objects to see if the required pre/post proc type is supported. 

    36 	If so, the UID of the plugin is appended to aMatchingPlugins

    37 	*/

    38 	static void MatchPrePostProcessorCapabilitiesL(const RImplInfoPtrArray& aPlugins, TUint32 aReqPrePostProcType, RArray<TUid>& aMatchingPlugins);

    39 

    40 	/**

    41 	Select a plug-in that supports the mime type. If a plug-in does not support the mime type it is removed

    42 	from the array and deleted. Therefore after a call to this method "aImplInfoArray" contains only plug-in

    43 	that support the supplied mime type or is null if none was found.

    44 	*/

    45 	static void SelectPluginBasedOnMatchType(const TDesC8& aMatchType, RImplInfoPtrArray& aImplInfoArray);

    46 

    47 #ifdef SYMBIAN_MULTIMEDIA_CODEC_API

    48 	static void FindVideoDecoderPluginsL(const TDesC8& aMimeType, RImplInfoPtrArray& aImplInfoArray);

    49 	static void FindVideoEncoderPluginsL(const TDesC8& aMimeType, RImplInfoPtrArray& aImplInfoArray);

    50 	static void CreatePuListL(RImplInfoPtrArray& aImplInfoArray);

    51 	static const CImplementationInformation* FindPu(const RImplInfoPtrArray& aImplInfoArray, TUid aPuUid);

    52 #endif // SYMBIAN_MULTIMEDIA_CODEC_API

    53 	};

    54 

    55 /** 

    56  * Template class CleanupResetAndDestroy to clean up the array

    57  * of implementation information from the cleanup stack.

    58  */

    59 

    60 template <class T>

    61 class CleanupResetAndDestroy

    62 	{

    63 public:

    64 	inline static void PushL(T& aRef);

    65 private:

    66 	static void ResetAndDestroy(TAny *aPtr);

    67 	};

    68 template <class T>

    69 inline void CleanupResetAndDestroyPushL(T& aRef);

    70 template <class T>

    71 inline void CleanupResetAndDestroy<T>::PushL(T& aRef)

    72 	{CleanupStack::PushL(TCleanupItem(&ResetAndDestroy,&aRef));}

    73 template <class T>

    74 void CleanupResetAndDestroy<T>::ResetAndDestroy(TAny *aPtr)

    75 	{(static_cast<T*>(aPtr))->ResetAndDestroy();}

    76 template <class T>

    77 inline void CleanupResetAndDestroyPushL(T& aRef)

    78 	{CleanupResetAndDestroy<T>::PushL(aRef);}

    79 

    80 #endif