mmhais/refacladapt/src/audiosource/buffersource.h
changeset 0 79dd3e2336a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/refacladapt/src/audiosource/buffersource.h	Fri Oct 08 19:40:43 2010 +0100
@@ -0,0 +1,84 @@
+/*
+* Copyright (c) 2007-2008 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:
+*
+*/
+
+
+#ifndef BUFFERSOURCE_H
+#define BUFFERSOURCE_H
+
+#include <e32base.h>
+#include <f32file.h>
+#include <a3f/mbuffersource.h>
+
+#include "moutputport.h"
+#include "mstreambuffercontrol.h"
+
+#include <a3f/a3f_trace_utils.h>
+
+
+/////
+ // This is the implementation of CAudioSource API.
+ //
+ // @see CAudioComponent.
+ ///
+NONSHARABLE_CLASS(CBufferSource) : 	public CActive,
+									public MMMFBufferSource,		// A3F interface
+									public MOutputPort			// Adaptation interface
+
+	{
+public:
+
+	IMPORT_C static CBufferSource* NewL();
+	/////
+	// Destructor.
+	//
+	// Deletes all objects and releases all resource owned by this instance.
+	///
+	virtual ~CBufferSource();
+
+	// from MMMFBufferSource
+	TInt SetDataSupplier(MMMFAudioDataSupplier& aSupplier);
+	TInt BufferFilled(CMMFBuffer* aBuffer);
+	TInt BuffersDiscarded();
+
+	// from class MOutputPort
+	TInt GetOutputPort(MOutputPort*& aOutputPort);
+	TInt FillBuffer(CMMFBuffer* aBuffer, MInputPort* aConsumer);
+	TInt BufferEmptied(CMMFBuffer* aBuffer);
+	TInt SetInput(MInputPort* aInput);
+	TInt RemoveInput(MInputPort* aInput);
+	TInt FlushBuffer(MFlushHandlerObserver* aFlushObserver);
+private:
+
+	void ConstructL();
+
+	CBufferSource();
+
+	void DoCancel();
+
+	void RunL();
+
+private:
+	MFlushHandlerObserver* iObserver;
+
+	MMMFAudioDataSupplier* iSupplier;
+
+	MInputPort* iInput;
+
+	CMMFBuffer* iBuffer;
+	};
+
+#endif // BUFFERSOURCE_H