camcordermmfplugin/mediarecorder/Inc/CCMRFrameBuffer.h
changeset 0 9b3e960ffc8a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camcordermmfplugin/mediarecorder/Inc/CCMRFrameBuffer.h	Thu Dec 17 08:51:24 2009 +0200
@@ -0,0 +1,110 @@
+/*
+* Copyright (c) 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:  CCMRFrameBuffer.h
+*
+*/
+
+
+
+#ifndef CCMRFRAMEBUFFER_H
+#define CCMRFRAMEBUFFER_H
+
+//  INCLUDES
+#include <ecam.h>
+#include <e32std.h>
+
+// CONSTANTS
+
+// FORWARD DECLARATIONS
+
+class MCameraBuffer;
+
+// CLASS DECLARATIONS
+
+/**
+* Wrapper class from MCameraBuffer to MFrameBuffer
+*/
+
+class CCMRFrameBuffer:  public CBase, public MFrameBuffer 
+    {
+
+
+    public: // Construction and destruction
+
+        static CCMRFrameBuffer* NewL( MCameraBuffer* aCameraBuffer );
+
+        virtual ~CCMRFrameBuffer();
+
+    
+    public: // General methods / From MFrameBuffer
+    
+    	/**
+    	Gets a non-bitmap frame in the buffer.
+
+	    @param  aIndex
+	            The index of the required, non-bitmap, frame.
+
+	    @leave  KErrArgument if aIndex is out of range 
+	    @leave  KErrNotSupported if the frame format is bitmap.
+	    @return A pointer to the specified non-bitmap format frame of video data.
+	    */
+	    TDesC8* DataL(TInt aIndex);
+
+	    /** 
+	    Gets a bitmap frame in the buffer.
+
+	    @param  aIndex 
+	            The index of the required, bitmap format, frame.
+
+    	@leave  KErrArgument if aIndex is out of range and 
+	    @leave  KErrNotSupported if
+	            the frame format is not a bitmap.
+    	@return A pointer to the specified bitmap format frame of video data. 
+	    */
+	    CFbsBitmap* FrameL(TInt aIndex);
+
+	    /** 
+	    Releases the buffer for re-use by the camera once the client has processed
+	    the frame data.
+
+	    Signals to CCamera that the buffer data has been used and that the buffer
+	    is free for re-use. 
+	    */
+	    void Release();
+	
+  
+    private: // Private member methods
+
+        /**
+        * C++ constructor.
+        */
+        CCMRFrameBuffer();
+
+        /**
+        * Symbian OS 2nd phase constructor that can leave.
+        * @param aCameraBuffer  New MCameraBuffer object
+        * @return void
+        */
+        void ConstructL( MCameraBuffer* aCameraBuffer );
+
+
+    private: // Data
+    
+        // Stored MCameraBuffer that is owned by Camera-API.
+        MCameraBuffer* iCameraBuffer;
+
+    };
+
+
+#endif // CCMRFRAMEBUFFER_H