Symaptic: os/mm/devsound/sounddevbt/src/A2dpBlueTooth/headsetaudioif/A2dpBTheadsetAudioIf.h@260cb5ec6c19

     1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #ifndef __A2DPBTHEADSETAUDIOIF_H__

    17 #define __A2DPBTHEADSETAUDIOIF_H__

    19 #include <e32base.h>

    20 #include <bttypes.h> //TBTDevAddr

    21 #include <es_sock.h> //RSocketServer, RSocket

    22 #include <bt_sock.h> //RBTPhysicalLinkAdaptor

    23 #include "GavdpStateMachine.h"

    24 #include "RTPStreamer.h"

    26 class CA2dpCodecUtilities; //fwd ref

    27 class CMMFCodec; //fwd ref

    28 class TRange;	// fwd ref

    31 /**

    32 API to access and send audio to an A2DP compliant audio headset

    33 This API is used internally within the Symbian reference

    34 CMMFDevSound/CMMFHwDevices/CRoutingSoundPlayDevice.

    36 @internalTechnology

    37 */

    38 class CA2dpBTHeadsetAudioInterface : public CBase, public MGAVDPStateChangeObserver, public MRTPStreamerObserver

    39 	{

    40 public:

    41 	IMPORT_C static CA2dpBTHeadsetAudioInterface* NewL();

    42 	IMPORT_C ~CA2dpBTHeadsetAudioInterface();

    43 	IMPORT_C void Initialize(const TBTDevAddr& aRemoteAddress, TRequestStatus& aStatus);

    44 	IMPORT_C void CancelInitialize();

    45 	IMPORT_C TInt GetSupportedDataTypes(RArray<TFourCC>& aSupportedDataTypes) const;

    46 	IMPORT_C TInt GetSupportedSampleRates(RArray<TUint>& aSupportedDiscreteRates, RArray<TRange>& aSupportedRateRanges) const;

    47 	IMPORT_C TInt GetSupportedChannels(RArray<TUint>& aSupportedChannels, TMMFStereoSupport& aStereoSupport) const;

    48 	IMPORT_C TInt SetDataType(const TFourCC& aDataType);

    49 	IMPORT_C TInt SetSampleRate(TUint aSampleRate);

    50 	IMPORT_C TInt SetChannels(TUint aChannels, TMMFStereoSupport aStereoSupport);

    51 	IMPORT_C void OpenDevice(TRequestStatus& aStatus);

    52 	IMPORT_C void CancelOpenDevice();

    53 	IMPORT_C void CloseDevice(TRequestStatus& aStatus);

    54 	IMPORT_C TUint Volume() const;

    55 	IMPORT_C TInt SetVolume(TUint aVolume);

    56 	IMPORT_C void PlayData(const TDesC8& aData, TRequestStatus& aStatus);

    57 	IMPORT_C void CancelPlayData();

    58 	IMPORT_C void FlushBuffer();

    59 	IMPORT_C TUint BytesPlayed() const;

    60 	IMPORT_C void ResetBytesPlayed();

    61 	IMPORT_C void PauseBuffer();

    62 	IMPORT_C void ResumePlaying();

    63 	IMPORT_C void NotifyError(TRequestStatus& aStatus);

    64 	IMPORT_C void CancelNotifyError();

    66 	//APIs only used for unit testing purposes - not needed for BT server or routing sound device

    67 	IMPORT_C MGavdpUser* TEST_MGavdpUser();

    68 	IMPORT_C void TEST_ForceRemoteSBCCodecConfiguration(const TSBCCodecCapabilities& aRemoteCodecConfiguration);

    69 private:

    70 	CA2dpBTHeadsetAudioInterface();

    71 	void ConstructL();

    73 	void ProcessGAVDPStateChangeIdleToOpen(TInt aError);

    74 	void ProcessGAVDPStateChangeOpenToStreaming(TInt aError);

    75 	void ProcessGAVDPStateChangeStreamingToOpen(TInt aError);

    77 	//MGAVDPStateChangeObserver

    78 	void GAVDPStateChangeComplete(const TGAVDPState& aInitialState, TInt aError);

    79 	void GAVDPStateMachineEvent(TInt aError);

    80 	void GAVDPStateMachineStreamSuspendedByRemoteHeadset();

    81 	TInt GAVDPStateMachineReconfigureByRemoteHeadset();

    82 	void GAVDPStateMachineStreamResumedByRemoteHeadset();

    84 	//MRTPStreamerObserver

    85 	void RTPStreamerEvent(TInt aError);

    87 	TInt SetSniffMode(TBool aSniffMode);

    88 private:

    89 	//owned classes

    90 	CGAVDPStateMachine* iGAVDPStateMachine;

    91 	CActiveRTPStreamer* iRTPStreamer;

    92 	CMMFCodec* iCodec;

    93 	CA2dpAudioCodecConfiguration* iA2dpCodecConfiguration;

    95 	RSocketServ iSocketServer;

    96 	RBTPhysicalLinkAdapter iBTPhysicalLinkAdapter;

    97 	TRequestStatus* iInitializeRequestStatus;

    98 	TRequestStatus* iOpenDeviceRequestStatus;

    99 	TRequestStatus* iCloseDeviceRequestStatus;

   100 	TRequestStatus* iNotifyRequestStatus;

   101 	TFourCC	iDataType;

   102 	TBool	iAudioSettingsHaveChanged;

   103 	TBool	iReconfiguring;

   104 	TBool	iPaused;

   105 	TInt iOpenDeviceError;

   106 	};

   108 #endif

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--