--- a/vtprotocolplugins/VideoSource/inc/CVSMMFDataBuffer.h Tue Jan 26 12:01:21 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,239 +0,0 @@
-/*
-* 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: Video Source subsystem.
-*
-*/
-
-
-#ifndef CVSMMFDATABUFFER_H
-#define CVSMMFDATABUFFER_H
-
-// INCLUDE FILES
-
-#include <mmfdatabuffer.h>
-
-// FORWARD DECLARATIONS
-
-class MFrameBuffer;
-class MCameraBuffer;
-
-/**
-* API of data buffer that allows provider's buffer contents to
-* be given to consumer without copying.
-*
-* @lib videosource.lib
-* @since 5.0
-*/
-class MVSMMFDataBuffer
- {
-
-public:
-
- /**
- * Sets the ECAM frame buffer.
- * @param "aFrameBuffer" MFrameBuffer pointer.
- */
- virtual void SetFrameBufferL( MFrameBuffer* aFrameBuffer ) = 0;
-
- /**
- * Sets the ECAM camera buffer.
- * @param "aFrameBuffer" MFrameBuffer pointer.
- */
- virtual void SetFrameBufferL( MCameraBuffer* aCameraBuffer ) = 0;
-
- /**
- * Calls Release() for MFrameBuffer and sets aFrameBuffer to NULL.
- */
- virtual void ReleaseL() = 0;
-
- /**
- * Sets start offset and length of internal iPtr variable (when
- * pointing to iData).
- */
- virtual void SetBufferOffset( TInt aOffset ) = 0;
-
- /**
- * Reallocates the max size in bytes.
- * @param "aMaxBufferSize" New size in bytes.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void ReAllocBufferL( TInt aMaxBufferSize ) = 0;
-
- /**
- * Checks whether buffer needs reset or not.
- * @return ETrue if buffer needs reset, EFalse otherwise.
- */
- virtual TBool NeedsReset() const = 0;
-
- /**
- * Sets needs reset state.
- * @param aNeedsReset New reset state.
- */
- virtual void SetNeedsReset( TBool aNeedsReset ) = 0;
-
- /**
- * Resets buffer (i.e. clears data).
- */
- virtual void Reset() = 0;
-
- };
-
-/**
-* Implementation of data buffer that allows provider's buffer contents to
-* be given to consumer without copying.
-*
-* @lib videosource.lib
-*/
-class CVSMMFDataBuffer : public CMMFDataBuffer, public MVSMMFDataBuffer
- {
- public: // new methods
-
- /**
- * Static factory function to create instance of this class.
- * @exception Can leave with one of the system wide error codes.
- * @return Pointer to new instance.
- */
- IMPORT_C static CVSMMFDataBuffer* NewL();
-
- /**
- * Static factory function to create instance of this class.
- * @param "aMaxBufferSize" Buffer size
- * @exception Can leave with one of the system wide error codes.
- * @return Pointer to new instance.
- */
- IMPORT_C static CVSMMFDataBuffer* NewL( TInt aMaxBufferSize );
-
- /**
- * Destructor.
- */
- IMPORT_C ~CVSMMFDataBuffer();
-
- public: // from CMMFDataBuffer
-
- /**
- * @see CMMFDataBuffer::Data
- */
- virtual TDes8& Data();
-
- /**
- * @see CMMFDataBuffer::Data
- */
- virtual const TDesC8& Data() const;
-
- /**
- * @see CMMFDataBuffer::SetStatus
- */
- virtual void SetStatus( TBufferStatus aStatus );
-
- /**
- * @see CMMFDataBuffer::SetRequestSizeL
- */
- virtual void SetRequestSizeL( TInt aSize );
-
- /**
- * @see CMMFDataBuffer::BufferSize
- */
- virtual TUint BufferSize() const;
-
- /**
- * @see CMMFDataBuffer::SetPosition
- */
- virtual void SetPosition( TUint aPosition );
-
- public: // from MVSMMFDataBuffer
-
- /**
- * @see MVSMMFDataBuffer::SetFrameBufferL
- */
- void SetFrameBufferL( MFrameBuffer* aFrameBuffer );
-
- /**
- * @see MVSMMFDataBuffer::SetFrameBufferL
- */
- void SetFrameBufferL( MCameraBuffer* aCameraBuffer );
-
- /**
- * @see MVSMMFDataBuffer::ReleaseL
- */
- void ReleaseL();
-
- /**
- * @see MVSMMFDataBuffer::SetBufferOffset
- */
- void SetBufferOffset( TInt aOffset );
-
- /**
- * @see MVSMMFDataBuffer::ReAllocBufferL
- */
- void ReAllocBufferL( TInt aMaxBufferSize );
-
- /**
- * @see MVSMMFDataBuffer::NeedsReset
- */
- TBool NeedsReset() const;
-
- /**
- * @see MVSMMFDataBuffer::SetNeedsReset
- */
- void SetNeedsReset( TBool aNeedsReset );
-
- /**
- * @see MVSMMFDataBuffer::Reset
- */
- void Reset();
-
-
- private: // Constructors and destructor
-
- /**
- * Constructor.
- */
- CVSMMFDataBuffer();
-
- /**
- * 2nd phase constructor.
- * @param "aMaxBufferSize" Buffer size in bytes.
- */
- void ConstructL( TInt aMaxBufferSize );
-
- public: // Data
-
- protected: // Data
-
- private: // Data
-
- // Pointer to ECAM buffer
- MFrameBuffer* iFrameBuffer;
-
- // Pointer to ECAM buffer
- MCameraBuffer* iCameraBuffer;
-
- // Pointer to data buffer ( n/a for ECAM )
- TUint8* iData;
-
- // TPtr8 pointing to iData or ECAM buffer data content
- TPtr8 iPtr;
-
- // Max buffer size ( n/a for ECAM )
- TInt iMaxBufferSize;
-
- // ETrue if buffers needs reset, EFalse otherwise
- TBool iNeedsReset;
-
- // ETrue if buffer is set, EFalse otherwise
- TBool iIsBufferSet;
-
- };
-
-#endif // CVSMMFDATABUFFER_H