mmserv/thumbnailengine/TneAPIInc/HXTneserver.h
changeset 0 71ca22bcf22a
child 25 6f7ceef7b1d1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmserv/thumbnailengine/TneAPIInc/HXTneserver.h	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,137 @@
+/*
+* Copyright (c) 2006 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:   TNE server
+*
+*/
+
+
+
+#ifndef _CHXCTneServer_H_
+#define _CHXCTneServer_H_
+
+#include"HXTneclientservercommon.h"
+#include <hxtnutil.h>
+#include <hxtnutil_obs.h>
+
+#include <TNEVideoClipInfo.h>
+#include <e32base.h>
+#include <e32svr.h>
+#include <e32uid.h>
+#include <e32std.h>
+#include <coemain.h>
+#include <ecom/ecom.h>
+
+
+#include "yuv2rgb12.h"
+#include "yuv2rgb16.h"
+#include "yuv2rgb24.h"
+
+
+//////////////////////Server class/////////////////
+class CTneServer : public CServer2
+{
+
+public:
+CSession2* NewSessionL(const TVersion& aVersion,const RMessage2& aMessage) const;
+public :
+      // The thread function executed by the server
+    static TInt ThreadFunction(TAny* aStarted);
+     
+protected:
+    CTneServer(CActive::TPriority aActiveObjectPriority);
+    };
+
+
+/////////////////Session class///////////////////////////
+
+class CTneSession : public CSession2, public MHXThumbnailUtilityImplObserver
+    
+    {
+public:
+    CTneSession();
+    ~CTneSession();
+
+      //service request
+    void ServiceL(const RMessage2& aMessage);
+    void DispatchMessageL(const RMessage2& aMessage);
+	// void InitL();  we are not using this rite now
+	
+	 // observer interface from MHXThumbnailUtilityImplObserver
+    void MetaDataReady(TInt aError);
+    void PacketReady(TInt aError, void *pData, TUint32 aDataSize);  
+    void EndOfPackets();
+   
+protected:
+     
+    void    CompleteRequest(TInt aError);    // Completes the Rmessage corresponding to Getthumb
+    void    FetchBasicMetaData();               // Extract metadata from Util
+    void    DoGetThumb();                           // Calls Notification of Thumbpending to client on Clients request to Get thumb
+    TBool   IsGoodFrame(TUint8* aYUVDataPtr);  // checks on the value of each frame wrt  width and height 
+    void    StopServer();
+    
+    void NotifyIfGetThumbPending(TInt aError, TUint8 *&pYUVBuffer); // Notifies client of thumb pending 
+    TInt ReOpenFile(RFile &aFileHandle); // Called in case the clip is required to be open not from 0 index but from middle of clip
+    TInt DoOpenFile(RFile &aFileHandle, TUint uStartTime);
+    TInt GetStartingTime(TUint &uStartingTime);
+    void CompleteCancelRequest(); // Completes the Rmessage corresponding to GetCancel
+    
+private:
+    
+        enum EThumbnailUtilState 
+        {
+                EStartGettingMetadata = 0,        
+                EStartGettingThumbNail,
+                EStartGettingThumbNailWithIndex,        
+                ECancelling,
+                ENotReady
+           };
+        
+        TInt                                         iWidth;
+        TInt                                         iHeight;    
+        TUint                                        iDuration;
+        TInt64 			                             iFrameCount;
+                                               
+      //   Variable to handle error during the state transitions in server
+        TInt				                         m_LastError;
+        TUint				                         m_uPacketsReceived;
+                                               
+                                               
+        // will be set to true if got the good thumb or an error has occured.
+        TBool 			                             m_bDone;
+        //file server                          
+        RFs*	                                     iFs;       
+                                               
+                                               
+        // Concatenated YUV data for decoded frame
+        TUint8* 		                             iYUVBuffer;      
+        TUint8**                                     iClientYUVBufferPtrPtr;
+        TBool		                                 m_bOpenFileLPending;
+        TBool                                        iGetThumbPending;
+                                               
+        TBool                                        iCloseHandle;
+        TBool                                        ibOpenFilePending;
+        TInt                                         iThumbIndex;
+                                              
+        RMessage2	                                 iClientRequest;
+        RMessage2	                                 iCancelRequest;
+        // helix thumbnail utility	           
+        CHXThumbnailUtility*         	             iUtil;
+        EThumbnailUtilState                          m_State;  
+        RFile                                        iFileHandle;
+
+        TBool                                        m_bMetaDataReady;
+
+    };                                         
+    
+#endif // _CHXCTneServer_H_