os/mm/mmhais/videohai/devvideo/inc/devvideointernal.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/mmhais/videohai/devvideo/inc/devvideointernal.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,80 @@
     1.4 +// Copyright (c) 2003-2009 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 +//
    1.18 +
    1.19 +#ifndef __DEVVIDEOINTERNAL_H__
    1.20 +#define __DEVVIDEOINTERNAL_H__
    1.21 +
    1.22 +#include <e32base.h>
    1.23 +#include <ecom/ecom.h>
    1.24 +
    1.25 +/**
    1.26 +Static utilities class.
    1.27 +@internalComponent
    1.28 +*/
    1.29 +class DevVideoUtilities
    1.30 +	{
    1.31 +public:
    1.32 +	/** 
    1.33 +	Convert a text number into a real number using lexical analysis
    1.34 +	*/
    1.35 +	static TInt ConvertTextToTUint32(const TDesC8& aData, TUint32& aNumber);
    1.36 +
    1.37 +	/**
    1.38 +	Inspect the plugin implementation information objects to see if the required pre/post proc type is supported. 
    1.39 +	If so, the UID of the plugin is appended to aMatchingPlugins
    1.40 +	*/
    1.41 +	static void MatchPrePostProcessorCapabilitiesL(const RImplInfoPtrArray& aPlugins, TUint32 aReqPrePostProcType, RArray<TUid>& aMatchingPlugins);
    1.42 +
    1.43 +	/**
    1.44 +	Select a plug-in that supports the mime type. If a plug-in does not support the mime type it is removed
    1.45 +	from the array and deleted. Therefore after a call to this method "aImplInfoArray" contains only plug-in
    1.46 +	that support the supplied mime type or is null if none was found.
    1.47 +	*/
    1.48 +	static void SelectPluginBasedOnMatchType(const TDesC8& aMatchType, RImplInfoPtrArray& aImplInfoArray);
    1.49 +
    1.50 +#ifdef SYMBIAN_MULTIMEDIA_CODEC_API
    1.51 +	static void FindVideoDecoderPluginsL(const TDesC8& aMimeType, RImplInfoPtrArray& aImplInfoArray);
    1.52 +	static void FindVideoEncoderPluginsL(const TDesC8& aMimeType, RImplInfoPtrArray& aImplInfoArray);
    1.53 +	static void CreatePuListL(RImplInfoPtrArray& aImplInfoArray);
    1.54 +	static const CImplementationInformation* FindPu(const RImplInfoPtrArray& aImplInfoArray, TUid aPuUid);
    1.55 +#endif // SYMBIAN_MULTIMEDIA_CODEC_API
    1.56 +	};
    1.57 +
    1.58 +/** 
    1.59 + * Template class CleanupResetAndDestroy to clean up the array
    1.60 + * of implementation information from the cleanup stack.
    1.61 + */
    1.62 +
    1.63 +template <class T>
    1.64 +class CleanupResetAndDestroy
    1.65 +	{
    1.66 +public:
    1.67 +	inline static void PushL(T& aRef);
    1.68 +private:
    1.69 +	static void ResetAndDestroy(TAny *aPtr);
    1.70 +	};
    1.71 +template <class T>
    1.72 +inline void CleanupResetAndDestroyPushL(T& aRef);
    1.73 +template <class T>
    1.74 +inline void CleanupResetAndDestroy<T>::PushL(T& aRef)
    1.75 +	{CleanupStack::PushL(TCleanupItem(&ResetAndDestroy,&aRef));}
    1.76 +template <class T>
    1.77 +void CleanupResetAndDestroy<T>::ResetAndDestroy(TAny *aPtr)
    1.78 +	{(static_cast<T*>(aPtr))->ResetAndDestroy();}
    1.79 +template <class T>
    1.80 +inline void CleanupResetAndDestroyPushL(T& aRef)
    1.81 +	{CleanupResetAndDestroy<T>::PushL(aRef);}
    1.82 +
    1.83 +#endif