--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/sounddevbt/src/A2dpBlueTooth/headsetaudioif/A2dpBTheadsetAudioIf.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,109 @@
+// Copyright (c) 2005-2009 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 __A2DPBTHEADSETAUDIOIF_H__
+#define __A2DPBTHEADSETAUDIOIF_H__
+
+#include <e32base.h>
+#include <bttypes.h> //TBTDevAddr
+#include <es_sock.h> //RSocketServer, RSocket
+#include <bt_sock.h> //RBTPhysicalLinkAdaptor
+#include "GavdpStateMachine.h"
+#include "RTPStreamer.h"
+
+class CA2dpCodecUtilities; //fwd ref
+class CMMFCodec; //fwd ref
+class TRange;	// fwd ref
+
+
+/**
+API to access and send audio to an A2DP compliant audio headset
+This API is used internally within the Symbian reference 
+CMMFDevSound/CMMFHwDevices/CRoutingSoundPlayDevice.
+
+@internalTechnology
+*/
+class CA2dpBTHeadsetAudioInterface : public CBase, public MGAVDPStateChangeObserver, public MRTPStreamerObserver
+	{
+public:
+	IMPORT_C static CA2dpBTHeadsetAudioInterface* NewL();
+	IMPORT_C ~CA2dpBTHeadsetAudioInterface();	
+	IMPORT_C void Initialize(const TBTDevAddr& aRemoteAddress, TRequestStatus& aStatus);
+	IMPORT_C void CancelInitialize();
+	IMPORT_C TInt GetSupportedDataTypes(RArray<TFourCC>& aSupportedDataTypes) const;
+	IMPORT_C TInt GetSupportedSampleRates(RArray<TUint>& aSupportedDiscreteRates, RArray<TRange>& aSupportedRateRanges) const;
+	IMPORT_C TInt GetSupportedChannels(RArray<TUint>& aSupportedChannels, TMMFStereoSupport& aStereoSupport) const;
+	IMPORT_C TInt SetDataType(const TFourCC& aDataType);
+	IMPORT_C TInt SetSampleRate(TUint aSampleRate);
+	IMPORT_C TInt SetChannels(TUint aChannels, TMMFStereoSupport aStereoSupport);
+	IMPORT_C void OpenDevice(TRequestStatus& aStatus);
+	IMPORT_C void CancelOpenDevice();
+	IMPORT_C void CloseDevice(TRequestStatus& aStatus);
+	IMPORT_C TUint Volume() const;
+	IMPORT_C TInt SetVolume(TUint aVolume);
+	IMPORT_C void PlayData(const TDesC8& aData, TRequestStatus& aStatus);
+	IMPORT_C void CancelPlayData();
+	IMPORT_C void FlushBuffer();
+	IMPORT_C TUint BytesPlayed() const;
+	IMPORT_C void ResetBytesPlayed();
+	IMPORT_C void PauseBuffer();
+	IMPORT_C void ResumePlaying();
+	IMPORT_C void NotifyError(TRequestStatus& aStatus);
+	IMPORT_C void CancelNotifyError();
+	
+	//APIs only used for unit testing purposes - not needed for BT server or routing sound device
+	IMPORT_C MGavdpUser* TEST_MGavdpUser();
+	IMPORT_C void TEST_ForceRemoteSBCCodecConfiguration(const TSBCCodecCapabilities& aRemoteCodecConfiguration);
+private:
+	CA2dpBTHeadsetAudioInterface();
+	void ConstructL();
+	
+	void ProcessGAVDPStateChangeIdleToOpen(TInt aError);
+	void ProcessGAVDPStateChangeOpenToStreaming(TInt aError);
+	void ProcessGAVDPStateChangeStreamingToOpen(TInt aError);
+
+	//MGAVDPStateChangeObserver
+	void GAVDPStateChangeComplete(const TGAVDPState& aInitialState, TInt aError);
+	void GAVDPStateMachineEvent(TInt aError);
+	void GAVDPStateMachineStreamSuspendedByRemoteHeadset();
+	TInt GAVDPStateMachineReconfigureByRemoteHeadset();
+	void GAVDPStateMachineStreamResumedByRemoteHeadset();
+	
+	//MRTPStreamerObserver
+	void RTPStreamerEvent(TInt aError);
+
+	TInt SetSniffMode(TBool aSniffMode);
+private:
+	//owned classes
+	CGAVDPStateMachine* iGAVDPStateMachine;
+	CActiveRTPStreamer* iRTPStreamer;
+	CMMFCodec* iCodec;
+	CA2dpAudioCodecConfiguration* iA2dpCodecConfiguration;
+	
+	RSocketServ iSocketServer;
+	RBTPhysicalLinkAdapter iBTPhysicalLinkAdapter;
+	TRequestStatus* iInitializeRequestStatus;
+	TRequestStatus* iOpenDeviceRequestStatus;
+	TRequestStatus* iCloseDeviceRequestStatus;
+	TRequestStatus* iNotifyRequestStatus;
+	TFourCC	iDataType;
+	TBool	iAudioSettingsHaveChanged;
+	TBool	iReconfiguring;
+	TBool	iPaused;
+	TInt iOpenDeviceError;
+	};
+
+#endif
+