mmhais/videohai/devvideo/inc/devvideointernal.h
changeset 0 40261b775718
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/videohai/devvideo/inc/devvideointernal.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,80 @@
+// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef __DEVVIDEOINTERNAL_H__
+#define __DEVVIDEOINTERNAL_H__
+
+#include <e32base.h>
+#include <ecom/ecom.h>
+
+/**
+Static utilities class.
+@internalComponent
+*/
+class DevVideoUtilities
+	{
+public:
+	/** 
+	Convert a text number into a real number using lexical analysis
+	*/
+	static TInt ConvertTextToTUint32(const TDesC8& aData, TUint32& aNumber);
+
+	/**
+	Inspect the plugin implementation information objects to see if the required pre/post proc type is supported. 
+	If so, the UID of the plugin is appended to aMatchingPlugins
+	*/
+	static void MatchPrePostProcessorCapabilitiesL(const RImplInfoPtrArray& aPlugins, TUint32 aReqPrePostProcType, RArray<TUid>& aMatchingPlugins);
+
+	/**
+	Select a plug-in that supports the mime type. If a plug-in does not support the mime type it is removed
+	from the array and deleted. Therefore after a call to this method "aImplInfoArray" contains only plug-in
+	that support the supplied mime type or is null if none was found.
+	*/
+	static void SelectPluginBasedOnMatchType(const TDesC8& aMatchType, RImplInfoPtrArray& aImplInfoArray);
+
+#ifdef SYMBIAN_MULTIMEDIA_CODEC_API
+	static void FindVideoDecoderPluginsL(const TDesC8& aMimeType, RImplInfoPtrArray& aImplInfoArray);
+	static void FindVideoEncoderPluginsL(const TDesC8& aMimeType, RImplInfoPtrArray& aImplInfoArray);
+	static void CreatePuListL(RImplInfoPtrArray& aImplInfoArray);
+	static const CImplementationInformation* FindPu(const RImplInfoPtrArray& aImplInfoArray, TUid aPuUid);
+#endif // SYMBIAN_MULTIMEDIA_CODEC_API
+	};
+
+/** 
+ * Template class CleanupResetAndDestroy to clean up the array
+ * of implementation information from the cleanup stack.
+ */
+
+template <class T>
+class CleanupResetAndDestroy
+	{
+public:
+	inline static void PushL(T& aRef);
+private:
+	static void ResetAndDestroy(TAny *aPtr);
+	};
+template <class T>
+inline void CleanupResetAndDestroyPushL(T& aRef);
+template <class T>
+inline void CleanupResetAndDestroy<T>::PushL(T& aRef)
+	{CleanupStack::PushL(TCleanupItem(&ResetAndDestroy,&aRef));}
+template <class T>
+void CleanupResetAndDestroy<T>::ResetAndDestroy(TAny *aPtr)
+	{(static_cast<T*>(aPtr))->ResetAndDestroy();}
+template <class T>
+inline void CleanupResetAndDestroyPushL(T& aRef)
+	{CleanupResetAndDestroy<T>::PushL(aRef);}
+
+#endif