--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/a3fdevsound/src/devsoundadaptor/cdevrecordcontrol.h	Thu Oct 07 22:34:12 2010 +0100
@@ -0,0 +1,139 @@
+/*
+* Copyright (c) 2006-2009 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 CDEVRECORDCONTROL_H
+#define CDEVRECORDCONTROL_H
+
+#include <e32base.h>
+
+#include "cdevcommoncontrol.h"
+
+#include <a3f/maudioprocessingunitobserver.h>
+#include <a3f/maudiodataconsumer.h>
+#include <a3f/a3f_trace_utils.h>
+
+
+class MMMFBufferSink;
+
+/**
+ * CDevRecordControl.
+ *
+ * ?description
+ *
+ * @lib mmfdevsoundadaptation.lib
+ * @since
+ */
+NONSHARABLE_CLASS(CDevRecordControl) :	public CDevCommonControl,
+										public MMMFAudioDataConsumer
+	{
+public:
+
+	/**
+	* Destructor.
+	* Releases all resources and deletes all objects owned by this instance.
+	*/
+	~CDevRecordControl();
+
+	static CDevRecordControl* NewL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aDevSoundObserver);
+
+	void ConstructL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aDevSoundObserver);
+
+	// from base class CDevAudioControl
+
+	/**
+	* Initialize recording state control components
+	* @since
+	* @return error code
+	*/
+	virtual TInt Initialize(TUid aFormat);
+
+	/**
+	* Initializes the audio device and starts the record process. This
+	* function queries and acquires the audio policy before initializing
+	* audio device. If there was an error during policy initialization,
+	* RecordError() function will be called on the observer with error code
+	* KErrAccessDenied, otherwise BufferToBeEmptied() function will be called
+	* with a buffer reference. This buffer contains recorded or encoded
+	* data. After processing data in the buffer reference passed, the client
+	* should call RecordData() to continue recording process.
+	* The amount of data that is available is specified in
+	* CMMFBuffer::RequestSize().
+	*
+	* @since
+	* @return error code
+	*/
+	virtual TInt ProcessInit();
+
+	/**
+	* Contine the process of recording.
+	* Once the buffer is filled with recorded data, the Observer gets a
+	* reference to the buffer along with the callback function
+	* BufferToBeEmptied(). After processing the buffer (copying over to a
+	* different buffer or writing to file) the client should call this
+	* function to continue the recording process.
+	* @return void
+	*/
+	virtual void ProcessData();
+
+	/*
+	Call-back indicating that is the last buffer has been processed by the sink.
+	*/
+	virtual void ProcessingFinished (MAudioStream & aStream);
+	
+	// from base class MAudioDataConsumer
+	/**
+	* Provide a buffer with audio data to the consumer.
+	*
+	* The consumer should read the contents of the buffer as quickly as possible and then call
+	* MCustomSink::BufferEmptied() passing the used buffer as a parameter.
+	*
+	* @param aSink a pointer to the sink providing the buffer
+	* @param aBuffer a pointer to the buffer to empty
+	*/
+
+	virtual void BufferToBeEmptied(MMMFBufferSink* aSink, CMMFBuffer* aBuffer);
+
+	// from base class MAudioDataConsumer
+	virtual void DiscardBuffers(MMMFBufferSink* aSource);
+
+    // from base class CDevCommonControl
+    void FinishWithError(TInt aError);
+	
+	/*
+	Used to send a stop call when there is a error in the buffer
+	*/
+	void BufferErrorEvent();
+	
+	virtual TBool ProcessingError(TBool& aAyncCompletion);
+
+private:
+	CDevRecordControl();
+
+private: // data
+
+	/**
+	 * Casted convenience pointer to DevAudio::iAudioSink
+	 * Not own.
+	 */
+	MMMFBufferSink *iBufferSink;
+
+	};
+
+#endif // CDEVRECORDCONTROL_H