os/mm/devsound/sounddevbt/src/A2dpBlueTooth/headsetaudioif/A2dpBTheadsetAudioIf.h
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/devsound/sounddevbt/src/A2dpBlueTooth/headsetaudioif/A2dpBTheadsetAudioIf.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,109 @@
1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#ifndef __A2DPBTHEADSETAUDIOIF_H__
1.20 +#define __A2DPBTHEADSETAUDIOIF_H__
1.21 +
1.22 +#include <e32base.h>
1.23 +#include <bttypes.h> //TBTDevAddr
1.24 +#include <es_sock.h> //RSocketServer, RSocket
1.25 +#include <bt_sock.h> //RBTPhysicalLinkAdaptor
1.26 +#include "GavdpStateMachine.h"
1.27 +#include "RTPStreamer.h"
1.28 +
1.29 +class CA2dpCodecUtilities; //fwd ref
1.30 +class CMMFCodec; //fwd ref
1.31 +class TRange; // fwd ref
1.32 +
1.33 +
1.34 +/**
1.35 +API to access and send audio to an A2DP compliant audio headset
1.36 +This API is used internally within the Symbian reference
1.37 +CMMFDevSound/CMMFHwDevices/CRoutingSoundPlayDevice.
1.38 +
1.39 +@internalTechnology
1.40 +*/
1.41 +class CA2dpBTHeadsetAudioInterface : public CBase, public MGAVDPStateChangeObserver, public MRTPStreamerObserver
1.42 + {
1.43 +public:
1.44 + IMPORT_C static CA2dpBTHeadsetAudioInterface* NewL();
1.45 + IMPORT_C ~CA2dpBTHeadsetAudioInterface();
1.46 + IMPORT_C void Initialize(const TBTDevAddr& aRemoteAddress, TRequestStatus& aStatus);
1.47 + IMPORT_C void CancelInitialize();
1.48 + IMPORT_C TInt GetSupportedDataTypes(RArray<TFourCC>& aSupportedDataTypes) const;
1.49 + IMPORT_C TInt GetSupportedSampleRates(RArray<TUint>& aSupportedDiscreteRates, RArray<TRange>& aSupportedRateRanges) const;
1.50 + IMPORT_C TInt GetSupportedChannels(RArray<TUint>& aSupportedChannels, TMMFStereoSupport& aStereoSupport) const;
1.51 + IMPORT_C TInt SetDataType(const TFourCC& aDataType);
1.52 + IMPORT_C TInt SetSampleRate(TUint aSampleRate);
1.53 + IMPORT_C TInt SetChannels(TUint aChannels, TMMFStereoSupport aStereoSupport);
1.54 + IMPORT_C void OpenDevice(TRequestStatus& aStatus);
1.55 + IMPORT_C void CancelOpenDevice();
1.56 + IMPORT_C void CloseDevice(TRequestStatus& aStatus);
1.57 + IMPORT_C TUint Volume() const;
1.58 + IMPORT_C TInt SetVolume(TUint aVolume);
1.59 + IMPORT_C void PlayData(const TDesC8& aData, TRequestStatus& aStatus);
1.60 + IMPORT_C void CancelPlayData();
1.61 + IMPORT_C void FlushBuffer();
1.62 + IMPORT_C TUint BytesPlayed() const;
1.63 + IMPORT_C void ResetBytesPlayed();
1.64 + IMPORT_C void PauseBuffer();
1.65 + IMPORT_C void ResumePlaying();
1.66 + IMPORT_C void NotifyError(TRequestStatus& aStatus);
1.67 + IMPORT_C void CancelNotifyError();
1.68 +
1.69 + //APIs only used for unit testing purposes - not needed for BT server or routing sound device
1.70 + IMPORT_C MGavdpUser* TEST_MGavdpUser();
1.71 + IMPORT_C void TEST_ForceRemoteSBCCodecConfiguration(const TSBCCodecCapabilities& aRemoteCodecConfiguration);
1.72 +private:
1.73 + CA2dpBTHeadsetAudioInterface();
1.74 + void ConstructL();
1.75 +
1.76 + void ProcessGAVDPStateChangeIdleToOpen(TInt aError);
1.77 + void ProcessGAVDPStateChangeOpenToStreaming(TInt aError);
1.78 + void ProcessGAVDPStateChangeStreamingToOpen(TInt aError);
1.79 +
1.80 + //MGAVDPStateChangeObserver
1.81 + void GAVDPStateChangeComplete(const TGAVDPState& aInitialState, TInt aError);
1.82 + void GAVDPStateMachineEvent(TInt aError);
1.83 + void GAVDPStateMachineStreamSuspendedByRemoteHeadset();
1.84 + TInt GAVDPStateMachineReconfigureByRemoteHeadset();
1.85 + void GAVDPStateMachineStreamResumedByRemoteHeadset();
1.86 +
1.87 + //MRTPStreamerObserver
1.88 + void RTPStreamerEvent(TInt aError);
1.89 +
1.90 + TInt SetSniffMode(TBool aSniffMode);
1.91 +private:
1.92 + //owned classes
1.93 + CGAVDPStateMachine* iGAVDPStateMachine;
1.94 + CActiveRTPStreamer* iRTPStreamer;
1.95 + CMMFCodec* iCodec;
1.96 + CA2dpAudioCodecConfiguration* iA2dpCodecConfiguration;
1.97 +
1.98 + RSocketServ iSocketServer;
1.99 + RBTPhysicalLinkAdapter iBTPhysicalLinkAdapter;
1.100 + TRequestStatus* iInitializeRequestStatus;
1.101 + TRequestStatus* iOpenDeviceRequestStatus;
1.102 + TRequestStatus* iCloseDeviceRequestStatus;
1.103 + TRequestStatus* iNotifyRequestStatus;
1.104 + TFourCC iDataType;
1.105 + TBool iAudioSettingsHaveChanged;
1.106 + TBool iReconfiguring;
1.107 + TBool iPaused;
1.108 + TInt iOpenDeviceError;
1.109 + };
1.110 +
1.111 +#endif
1.112 +