/*

* Copyright (c) 2004 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:    Provides interface for UL/DL subthread clients

*

*/

#ifndef MCCULDLCLIENT_H

#define MCCULDLCLIENT_H

//  INCLUDES

#include <mmf/common/mmfbase.h>

#include <mmf/common/mmfutilities.h>

#include "rtpapi.h"

#include "rtpdef.h"

#include "mmccinterfacedef.h"

#include "mccinternaldef.h"

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CMccSubThreadClientBase;

class CMccUlSubThreadClient;

class CMccDlSubThreadClient;

class MDataSource;

class MDataSink;

class CMccDTMFClient;

class CMccSymSubthreadClient;

class MMccEventHandler;

class TMccCodecInfo;

class TMccEvent;

class MMccResources;

class CMccRtpMediaClock;

class TMccCryptoContext;

// CLASS DECLARATION

/**

* Mcc Uplink/Downlink client interface

*

* @lib Mccsubthreads.lib

* @since Series 60 3.0

*/

class CMccUlDlClient : public CBase, public MMccEventHandler

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CMccUlDlClient* NewL( MMccEventHandler* aMccEventHandler,

                                              MMccResources* aMccResources,

                                              TUint32 aSessionId );

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CMccUlDlClient();        

    public: // New functions

		IMPORT_C static void GetCodecDefaultsL( const TUid aType,

												TDes8& aParam,

												TMccCodecInfo& aCodec );

        /**

        * Gets the gain of current stream

        * @since Series 60 3.0

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @param [output] aGain Return value of the current gain

        * @return TInt System wide error code   

        */

        IMPORT_C TInt GetGainL( const TUint32 aLinkId,

                                const TUint32 aStreamId,

                                TInt& aGain );

        /**

        * Sets the gain for ul client

        * @since Series 60 3.0

        * @param [input] aGain The wanted gain value 

        * @return TInt System wide error code

        */

        IMPORT_C TInt SetGainL( TInt aGain );

        /**

        * Returns the maximum gain of current stream

        * @since Series 60 3.0

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @param [output] aMaxGain Value of the maximum gain

        * @return System wide error code   

        */

        IMPORT_C void MaxGainL( const TUint32 aLinkId,

        						const TUint32 aStreamId,

                                TInt& aMaxGain );

        /**

        * Sets the volume for current stream

        * @since Series 60 3.0

        * @param [input] aVolume Value for the current volume

        * @return System wide error code   

        */

        IMPORT_C TInt SetVolumeL( TInt aVolume );

        /**

        * Returns the maximum volume for current stream

        * @since Series 60 3.0

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @param [output] aMaxVolume Return value of the maximum volume

        * @return TInt System wide error code   

        */

        IMPORT_C void MaxVolumeL( const TUint32 aLinkId,

                				  const TUint32 aStreamId,

                                  TInt& aMaxVolume );                         

        /**

        * Returns the used codec

        * @since Series 60 3.0

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @param [output] aCodec Codec information struct containing codec info

        * @return void   

        */

        IMPORT_C void GetCodecL( const TUint32 aLinkId,

                                 const TUint32 aStreamId,

                                 TMccCodecInfo& aCodec );

        /**

        * Returns the fmtp 

        * @since Series 60 3.0

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @return the fmtp string for the link

        */

        IMPORT_C void GetFmtpAttrL( const TUint32 aLinkId,

                                    const TUint32 aStreamId,

                                    TDes8& aFmtp );

        /**

        * Sets the stream priority

        * @since Series 60 3.0

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @param [input] aPrioritySettings An object that holds the

        *                audio client's priority and device state settings.

        * @return TInt System wide error code

        */

        IMPORT_C TInt SetPriorityL( const TUint32 aLinkId,

                                    const TUint32 aStreamId,

                                    TMMFPrioritySettings aPrioritySettings );

        /**

        * Opens the ul or dl client subthread

        * @since Series 60 3.0

        * @param [input] aLinkId Link ID

        * @param [input] aStreamId unique id for the stream

        * @param [input] aStreamType The desired stream type

        * @param [input] aFourCC the fourCC code of the desired codec

        * @param [input] aDataSource Data source of the client

        * @param [input] aSink Data sink of the client

        * @param [input] aSettings MMF settings

        * @leave System-wide error code if unsuccessful

        * @return void

        */

        IMPORT_C void OpenL( const TUint32 aLinkIdId,

                             const TUint32 aStreamId, 

                             TInt aStreamType,

                             TFourCC aFourCC,

                             MDataSource* aDataSource,

                             MDataSink* aSink,

                             TMMFPrioritySettings aSettings );

        /**

        * Prepares ul/dl streams

        * @since Series 60 3.0

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void PrepareL( const TUint32 aLinkId,

                                const TUint32 aStreamId,

                                const TUint32 aEndpointId );

        /**

        * Plays ul/dl streams

        * @since Series 60 3.0

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void PlayL( const TUint32 aLinkId,

                             const TUint32 aStreamId,

							 const TUint32 aEndpointId,

                             const TBool aStreamPaused,

                             const TBool aEnableRTCP );

        /**

        * Pauses ul/dl streams

        * @since Series 60 3.0

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @param [input] aEnableRTCP ETrue if automatic RTCP sending should be

        *   enabled when the stream is paused

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void PauseL( const TUint32 aLinkId,

                              const TUint32 aStreamId,

                              const TUint32 aEndpointId,

                              const TBool aEnableRTCP );

        /**

        * Stops ul/dl streams

        * @since Series 60 3.0 

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @return TInt System wide error code

        */

        IMPORT_C void StopL( const TUint32 aLinkId,

                             const TUint32 aStreamId,

                             const TUint32 aEndpointId );

        /**

        * Resumes ul/dl streams

        * @since Series 60 3.0 

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @param [input] aEnableRTCP ETrue if automatic RTCP sending should be

        *   enabled when the stream is paused

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void ResumeL( const TUint32 aLinkId,

                               const TUint32 aStreamId,

                               const TUint32 aEndpointId,

                               const TBool aEnableRTCP );

        /**

        * Checks if link contais stream

        * @since Series 60 3.0 

        * @param [input] aLinkId Link location in the array

        * @leave System wide error code if unsuccessful

        * @return ETrue, if streams exists

        */

        IMPORT_C TBool StreamsExistsL( const TUint32 aLinkId );

        /**

        * Returns the play balance

        * @since Series 60 3.0 

        * @param [input] aLinkId Link location in the array

        * @param [output] aLeftBalance Value for the left balance

        * @param [output] aRightBalance Value for the right balance

        * @return System wide error code

        */

        IMPORT_C TInt GetPlayBalanceL( const TUint32 aLinkId,

                                       const TUint32 aStreamId,

                                       TInt& aLeftBalance,

                                       TInt& aRightBalance );

        /**

        * Returns the record balance

        * @since Series 60 3.0 

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @param [output] aLeftBalance Value for the left balance

        * @param [output] aRightBalance Value for the right balance

        * @return System wide error code

        */

        IMPORT_C TInt GetRecordBalanceL( const TUint32 aLinkId,

                                         const TUint32 aStreamId,

                                         TInt& aLeftBalance,

                                         TInt& aRightBalance );

        /**

        * Sets the record balance

        * @since Series 60 3.0 

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @param [input] aLeftBalance Value for the left balance

        * @param [input] aRightBalance Value for the right balance

        * @leave System wide error code

        */

        IMPORT_C void SetRecordBalanceL( const TUint32 aLinkId, 

                                         const TUint32 aStreamId, 

                                         TInt aLeftBalance,

                                         TInt aRightBalance );

        /**

        * Sets the play balance

        * @since Series 60 3.0 

        * @param [input] aLinkId Link location in the array

        * @param [input] aStreamId ID of the stream

        * @param [input] aLeftBalance Value for the left balance

        * @param [input] aRightBalance Value for the right balance

        * @leave System wide error code

        */

        IMPORT_C void SetPlayBalanceL( const TUint32 aLinkId, 

                                       const TUint32 aStreamId, 

                                       TInt aLeftBalance, 

                                       TInt aRightBalance );  

        /**

        * Closes ul/dl streams

        * @since Series 60 3.0 

        * @param [input] aLinkId ID of link that contains stream

        * @param [input] aStreamId ID of stream to close

        * @return void

        */

        IMPORT_C void CloseL( const TUint32 aLinkIdId,

                              const TUint32 aStreamId );

        /**

        * Returns the session ID 

        * @since Series 60 3.0

        * @param None

        * @return Value which represents the session ID

        */

        IMPORT_C TUint32 GetSessionId();

        /**

        * Sets the remote address for aStream

        * @since Series 60 3.0

        * @param [input] aRemAddr Denotes the remote IP address

        * @param [input] aLinkId Link location in the array

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void SetRemoteAddressL( TInetAddr aRemAddr,

                                         const TUint32 aLinkId );

        /**

        * Sets the remote rtcp address for aStream

        * @since Series 60 3.0

        * @param [input] aRemAddr Denotes the remote rtcp IP address

        * @param [input] aLinkId Link location in the array

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void SetRemoteRtcpAddrL( TInetAddr aRemAddr,

                                         const TUint32 aLinkId );                                

        /**

        * Creates link

        * @since Series 60 3.0

        * @param [input] aLinkId ID of the new link (UL or DL client)

        * @param [input] aType   Type of the link to be created

        * @return void

        */

        IMPORT_C void CreateLinkL( TUint32& aLinkId,

                                   TInt aType );

        /**

        * Initializes link

        * @since Series 60 3.0

        * @param [input/output] aStatus Status of the request

        * @param [input] aLinkId ID of the link

        * @param [input] aIapId IAP ID

        * @return void

        */

        IMPORT_C void InitializeLinkL( TRequestStatus& aStatus,

                                       TUint32 aLinkId,

                                       TInt aIapId );

        /**

        * Creates the RTP session

        * @since Series 60 3.0

        * @param [input] aLinkId

        * @param [input/output] aPort    

        * @param [input] aIpTOS           

        * @param [input] aMediaSignaling 

        * @return void

        */

        IMPORT_C void CreateRtpSessionL( TUint32 aLinkId,

                                         TUint aPort,

                                         TInt aIpTOS,

                                         TInt aMediaSignaling );

        /**

        * Closes ul/dl links

        * @since Series 60 3.0 

        * @param [input] aLinkId ID of link to close

        * @return System wide error code

        */

        IMPORT_C TInt CloseLinkL( TUint32 aLinkIdId );

        /**

        * Sends media signals to uplink if possible

        * @since Series 60 3.0

        * @param aStreamId Stream into which the signal should be sent

        * @param aEvent The event to be sent

        * @return void

        */

        IMPORT_C void SendMediaSignalL( const TMccEvent& aEvent );

        /**

        * Sets the codec information for specific stream

        * @since Series 60 3.0

        * @param [input] aLink Link for which the codec information is set

        * @param [input] aStreamId ID of the stream

        * @param aCodecInfo Codec information for the stream

        * @return void

        */

        IMPORT_C void SetCodecInformationL( const TUint32 aLinkId, 

                const TUint32 aStreamId, 

                const TMccCodecInfo& aCodecInfo,

                const TDesC8& aFmtp );

        /**

        * Get the supported bitrates from the codec of the specified stream

        * @since Series 60 3.0

        * @param aLinkId - [input] link ID

        * @param aStreamId - [input] Stream ID identifying stream

        * @param aBitrates Array for the bitrates

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void GetSupportedBitratesL( const TUint32 aLinkIdId, 

                                             const TUint32 aStreamId,

                                             RArray<TUint>& aBitrates );

       /**

        * Get syncrinization source from the specified stream

        * @since Series 60 3.0

        * @param aLinkId - [input] link ID

        * @param aStreamId - [input] Stream ID identifying stream

        * @param aaSSRCValue - [input] SSRC value to be retturn

        * @leave System wide error code if unsuccessful

        * @return none.

        */

        IMPORT_C void GetSSRCL( const TUint32 aLinkId, 

                                const TUint32 aStreamId, 

                                TUint32&      aSSRCValue);

        /**

        * Sends RTCP receiver report to uplink if possible.

        * @param aLinkId - [input] link ID

        * @param aStreamId - [input] Stream ID identifying stream

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void SendRTCPReceiverReportL( const TUint32 aLinkIdId, 

                                               const TUint32 aStreamId );

        /**

        * Sends RTCP sender report to uplink if possible.

        * @param aLinkId - [input] link ID

        * @param aStreamId - [input] Stream ID identifying stream

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void SendRTCPSenderReportL( const TUint32 aLinkIdId,

                                             const TUint32 aStreamId );

        /**

        * Sends RTCP data to uplink if possible.

        * @param aLinkId - [input] link ID

        * @param aStreamId - [input] Stream ID identifying stream

        * @param aData - [input] Non-RTCP data

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void SendRTCPDataL( const TUint32 aLinkId,

                                     const TUint32 aStreamId,

                                     const TDesC8& aData );

        /**

        * Starts inactivity timer for a stream in a given session.

        * @param aLinkId - [input] link ID

        * @param aStreamId - [input] Stream ID identifying stream

        * @param aTimeoutTime - [input] timeout value in milliseconds

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void StartInactivityTimerL( const TUint32 aLinkIdId, 

                                             const TUint32 aStreamId,

                                             TUint32 aTimeoutTime );

        /**

        * Stops inactivity timer for a stream in a given session.

        * @param aLinkId - [input] link ID

        * @param aStreamId - [input] Stream ID identifying stream

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void StopInactivityTimerL( const TUint32 aLinkIdId,

                                            const TUint32 aStreamId );

        /**

        * Sets audio route for a stream in a given session.

        * @param aLinkId - [input] link ID

        * @param aStreamId - [input] Stream ID identifying stream

        * @param aRoutingDestination - [input] routing destination

        * @leave System wide error code if unsuccessful

        * @return None

        */

        IMPORT_C void SetAudioRouteL( TUint32 aLinkId, 

                                      TUint32 aStreamId,

                                      TUint32 aRoutingDestination );

        /**

        * Sets audio route for a stream in a given session.

        * @param aLinkId - [input] link ID

        * @param aStreamId - [input] Stream ID identifying stream

        * @param aRoutingDestination - [output] routing destination

        * @leave System wide error code if unsuccessful

        * @return None

        */