upnpsharing/upnpdlnaprofiler/inc/upnpavsolverbase.h
changeset 0 7f85d04be362
child 38 5360b7ddc251
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpsharing/upnpdlnaprofiler/inc/upnpavsolverbase.h	Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,145 @@
+/*
+* 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 av files.
+*
+*/
+
+
+
+
+
+
+#ifndef C_UPNPAVSOLVERBASE_H
+#define C_UPNPAVSOLVERBASE_H
+
+
+// system includes
+#include <3gplibrary/mp4lib.h>
+
+// user includes
+#include "upnpprofiler.h"
+
+// forward declarations
+class CVideoRecorderUtility;
+
+// constants
+const TInt TMP4DecoderSpecificInfoSize = 16;
+
+// NONE
+
+/**
+ *  Av file DLNA profile base resolver class.
+ *
+ *  This class is the base class for resolving DLNA profile of av files.
+ *  It contains methods for querying the profiles supported by this solver 
+ *  and for resolving a DLNA profile of a given av file.
+ *
+ *
+ *  @lib dlnaprofiler.lib
+ *  @since S60 v3.1
+ */
+NONSHARABLE_CLASS( CUpnpAvSolverBase ) : public CBase,
+                                         public MUpnpProfiler
+    {
+
+public:
+
+    static CUpnpAvSolverBase* NewL();
+
+    static CUpnpAvSolverBase* NewLC();
+
+    virtual ~CUpnpAvSolverBase();
+
+// 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:
+
+    CUpnpAvSolverBase();
+
+    void ConstructL();
+
+    /**
+     * GetVideoFileInformationL
+     *
+     * @since S60 v3.1
+     * @param aFileName Filename of the file which is to be resolved.
+     * @return Error code. KErrNone if successfull.
+     */
+    TInt GetVideoFileInformationL( RFile& aFile );
+
+    /**
+     * A generic data container to be used in parsing different
+     * MPEG4 codec headers
+     */
+    class TMP4DecoderSpecificInfo
+        {
+        public:
+            TUint32 iData[TMP4DecoderSpecificInfoSize];
+        };
+
+
+private: // data
+
+    // Type of video codec within the AV file
+    mp4_u32 iVideoType;
+
+    // Video resolution X size
+    mp4_u32 iVideoResolutionX;
+
+    // Video resolution Y size
+    mp4_u32 iVideoResolutionY;
+
+    mp4_double iVideoFramerate;
+
+    // Type of audio codec within the AV file
+    mp4_u32 iAudioType;
+
+    // stream bitrate
+    mp4_u32 iStreamAverageBitrate;
+
+    // codec-specific details
+    TMP4DecoderSpecificInfo iCodecInfo;
+
+    };
+
+#endif // C_UPNPAVSOLVERBASE_H