1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmhais/refacladapt/src/audiosource/buffersource.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,84 @@
1.4 +/*
1.5 +* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description:
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +#ifndef BUFFERSOURCE_H
1.23 +#define BUFFERSOURCE_H
1.24 +
1.25 +#include <e32base.h>
1.26 +#include <f32file.h>
1.27 +#include <a3f/mbuffersource.h>
1.28 +
1.29 +#include "moutputport.h"
1.30 +#include "mstreambuffercontrol.h"
1.31 +
1.32 +#include <a3f/a3f_trace_utils.h>
1.33 +
1.34 +
1.35 +/////
1.36 + // This is the implementation of CAudioSource API.
1.37 + //
1.38 + // @see CAudioComponent.
1.39 + ///
1.40 +NONSHARABLE_CLASS(CBufferSource) : public CActive,
1.41 + public MMMFBufferSource, // A3F interface
1.42 + public MOutputPort // Adaptation interface
1.43 +
1.44 + {
1.45 +public:
1.46 +
1.47 + IMPORT_C static CBufferSource* NewL();
1.48 + /////
1.49 + // Destructor.
1.50 + //
1.51 + // Deletes all objects and releases all resource owned by this instance.
1.52 + ///
1.53 + virtual ~CBufferSource();
1.54 +
1.55 + // from MMMFBufferSource
1.56 + TInt SetDataSupplier(MMMFAudioDataSupplier& aSupplier);
1.57 + TInt BufferFilled(CMMFBuffer* aBuffer);
1.58 + TInt BuffersDiscarded();
1.59 +
1.60 + // from class MOutputPort
1.61 + TInt GetOutputPort(MOutputPort*& aOutputPort);
1.62 + TInt FillBuffer(CMMFBuffer* aBuffer, MInputPort* aConsumer);
1.63 + TInt BufferEmptied(CMMFBuffer* aBuffer);
1.64 + TInt SetInput(MInputPort* aInput);
1.65 + TInt RemoveInput(MInputPort* aInput);
1.66 + TInt FlushBuffer(MFlushHandlerObserver* aFlushObserver);
1.67 +private:
1.68 +
1.69 + void ConstructL();
1.70 +
1.71 + CBufferSource();
1.72 +
1.73 + void DoCancel();
1.74 +
1.75 + void RunL();
1.76 +
1.77 +private:
1.78 + MFlushHandlerObserver* iObserver;
1.79 +
1.80 + MMMFAudioDataSupplier* iSupplier;
1.81 +
1.82 + MInputPort* iInput;
1.83 +
1.84 + CMMFBuffer* iBuffer;
1.85 + };
1.86 +
1.87 +#endif // BUFFERSOURCE_H