--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpsharing/upnpdlnaprofiler/inc/upnpaudiosolverbase.h	Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2006-2007 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:      Base DLNA profile resolver class for audio files.
+*
+*/
+
+
+
+
+
+
+#ifndef C_UPNPAUDIOSOLVERBASE_H
+#define C_UPNPAUDIOSOLVERBASE_H
+
+
+// system includes
+#include <mda/client/utility.h> // MMdaObjectStateChangeObserver
+#include <mda/common/audio.h> // TMdaFileClipLocation
+#include <mmf/common/mmfutilities.h> // TFourCC
+
+// user includes
+#include "upnpprofiler.h"
+
+// forward declarations
+class CMdaAudioConvertUtility;
+class TMdaFileClipLocation;
+
+// constants
+// NONE
+
+/**
+ *  Audio file DLNA profile base resolver class.
+ *
+ *  This class is the base class for resolving DLNA profile of audio files.
+ *  It contains methods for querying the profiles supported by this solver 
+ *  and for resolving a DLNA profile of a given audio file.
+ *
+ *
+ *  @lib dlnaprofiler.lib
+ *  @since S60 v3.1
+ */
+NONSHARABLE_CLASS( CUpnpAudioSolverBase ) : 
+                                        public CBase,
+                                        public MUpnpProfiler, 
+                                        public MMdaObjectStateChangeObserver
+    {
+
+public:
+
+    static CUpnpAudioSolverBase* NewL();
+
+    static CUpnpAudioSolverBase* NewLC();
+
+    virtual ~CUpnpAudioSolverBase();
+
+// from base class MUpnpProfiler
+
+    /**
+     * From MUpnpProfiler.
+     * SupportedProfilesL returns DLNA profiles that are currently supported.
+     *
+     * @since S60 v3.1
+     * @param aProfiles Descriptor array where supported DLNA profiles are 
+     *                  added.
+     * @return TInt Error code, KErrNone if successfull.
+     */
+    TInt SupportedProfilesL( CDesC16ArrayFlat* aProfiles ) const;
+
+    /**
+     * From MUpnpProfiler.
+     * ProfileForFileL is for resolving a DLNA profile of a given file.
+     * Besides of file name, also mime type of the file is passed as a 
+     * parameter in order to avoid re-opening of the file.
+     *
+     * @since S60 v3.1
+     * @param aFileName Filename of the file which is to be resolved.
+     * @param aMimeType Mime type of the file which is to be resolved.
+     * @param aFile Handle to opened file specified by aFilename.
+     * @return DLNA profile of the file as a HBufC*, 
+     *         NULL if could not be resolved
+     */
+    HBufC* ProfileForFileL( const TDesC& aFilename, 
+                            const TDesC8& aMimetype, 
+                            RFile& aFile );
+
+private:
+
+    CUpnpAudioSolverBase();
+
+    void ConstructL();
+
+    /**
+     * GetAudioFileInformationL
+     *
+     * @since S60 v3.1
+     * @param aFileName Filename of the file which is to be resolved.
+     * @return Error code. KErrNone if successfull.
+     */
+    TInt GetAudioFileInformationL( const TDesC& aFilename );
+
+    
+// from base class MMdaObjectStateChangeObserver
+
+    /**
+     * From MMdaObjectStateChangeObserver.
+     * MoscoStateChangeEvent 
+     *
+     * @since S60 v3.1
+     * @param aObject
+     * @param aPreviousState
+     * @param aCurrentState
+     * @param aErrorCode
+     */
+    void MoscoStateChangeEvent( CBase *aObject, TInt aPreviousState, 
+                                TInt aCurrentState, TInt aErrorCode );
+
+    /**
+     * Determine3GppProfileL chooses the correct profile among supported 3gpp 
+     * profiles. The decision is made based on audio file attributes that 
+     * are stored in member variables of this class. 
+     *
+     * @since S60 v3.1
+     * @return HBufC*. Pointer to string descriptor containing the profile.
+     */
+    HBufC* Determine3GppProfileL() const;
+
+    /**
+     * DetermineWmaProfileL chooses the correct profile among supported wma 
+     * profiles. The decision is made based on audio file attributes that 
+     * are stored in member variables of this class. 
+     *
+     * @since S60 v3.1
+     * @return HBufC*. Ponter to string descriptor containing the profile.
+     */
+    HBufC* DetermineWmaProfileL() const;
+
+    /**
+     * DetermineMp4ProfileL chooses the correct profile among supported mp4 
+     * profiles. The decision is made based on audio file attributes that 
+     * are stored in member variables of this class. 
+     *
+     * @since S60 v3.1
+     * @return HBufC*. Pointer to string descriptor containing the profile.
+     */
+    HBufC* DetermineMp4ProfileL() const;
+
+private: // data
+    CMdaAudioConvertUtility*    iAudioconverter; // owned
+    CActiveSchedulerWait*       iWait; // owned
+    
+    // attributes related to audio file attributes. 
+    TUint iChannelCount;
+    TUint iSampleRate;
+    TUint iBitrate;
+    };
+
+#endif // C_UPNPAUDIOSOLVERBASE_H