multimediacommscontroller/mmccsubcontroller/inc/mccsymdlstream.h
changeset 0 1bce908db942
child 32 f2ed1fc4c163
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccsubcontroller/inc/mccsymdlstream.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,267 @@
+/*
+* Copyright (c) 2004-2008 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 a downlink stream for symmetric subthread
+*
+*/
+
+
+
+#ifndef MCCSYMDLSTREAM_H
+#define MCCSYMDLSTREAM_H
+
+//  INCLUDES
+#include "mccsymstreambase.h"
+#include "mccrtpdatasource.h"
+#include "mccjitterbufferobserver.h"
+
+// FORWARD DECLARATIONS
+class CMccJitterBuffer;
+class CMMFFormatDecode;
+class CMccAudioRouter;
+class MMccResources;
+
+// CLASS DECLARATION
+
+/**
+*  Mcc Symmetric subthread downlink stream
+*
+*  @lib Mccsubthreads.lib
+*  @since Series 60 3.0
+*/
+NONSHARABLE_CLASS( CMccSymDlStream ) : public CMccSymStreamBase, public MJitterBufferObserver
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Static constructor
+        */
+        static CMccSymDlStream* NewLC( TUint32 aMccStreamId, 
+                MAsyncEventHandler* aEventhandler,  
+                MMccResources* aMccResources, 
+                CMccRtpManager* aManager,
+                TInt aStreamType );
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CMccSymDlStream();
+
+    public: // Functions from base classes
+    
+        /**
+        * From CMccSymStreamBase
+        */
+        void SetPrioritySettingsL( const TMMFPrioritySettings& aPriority );
+        
+        /**
+        * From CMccSymStreamBase
+        */
+        void AddSinkAndSourceL( MDataSink* aDatasink, 
+                MDataSource* aDatasource );
+        
+        /**
+        * From CMccSymStreamBase
+        */      
+        void LoadCodecL( const TMccCodecInfo& aCodecInfo,
+                         const TDesC8& aFmtp );
+
+        /**
+        * From CMccSymStreamBase
+        */
+        void PrimeL( const TUint32 aEndpointId );
+        
+        /**
+        * From CMccSymStreamBase
+        */
+        void PlayL( const TUint32 aEndpointId,
+        			TBool aStreamPaused, 
+                    TBool aEnableRtcp );
+        
+        /**
+        * From CMccSymStreamBase
+        */
+        void PauseL( const TUint32 aEndpointId,
+        			 TBool aEnableRtcp );
+        
+        /**
+        * From CMccSymStreamBase
+        */
+        void ResumeL( const TUint32 aEndpointId,
+        			  TBool aEnableRtcp );
+        
+        /**
+        * From CMccSymStreamBase
+        */
+        void StopL( const TUint32 aEndpointId );
+
+        /**
+        * From CMccSymStreamBase
+        */
+        void SetBalanceL( TInt aLeftbal, TInt aRightbal );
+        
+        /**
+        * From CMccSymStreamBase
+        */
+        void GetBalanceL( TInt& aLeftbal, TInt& aRightbal );
+        
+        /**
+        * From CMccSymStreamBase
+        */ 
+        void GetSSRCL( TUint32& aSSRCValue );
+
+        /**
+        * From CMccSymStreamBase
+        */
+        void ResetCountersL();
+        
+        /**
+        * From CMccSymStreamBase
+        */
+        void SendMediaSignalL( const TMccEvent& aEvent );
+        
+        /**
+        * Sends RTCP receiver report.
+        * @param none
+        * @return One of the standard system-wide error codes.
+        */
+        void SendRTCPReceiverReportL();
+        
+        /** 
+        * Starts inactivity timer for a stream
+        * @param aTimeoutTime - [input] timeout value in milliseconds
+        * @return One of the standard system-wide error codes.
+        */
+        void StartInactivityTimerL( TUint32 aTimeoutTime );
+
+        /**
+        * Stops inactivity timer for a stream 
+        * @return One of the standard system-wide error codes.
+        */
+        void StopInactivityTimerL();
+        
+        /**
+        * Checks if stream is uplink 
+        * @return EFalse for downlink stream.
+        */
+        TBool IsUplink();
+
+        /**
+        * Sets stream to standby mode. 
+        */
+        void StandByL();
+        
+        /**
+        * Set audio routing.
+        */
+        void SetAudioRouteL( TUint32 aRoutingDestination );
+        
+        /**
+        * Get current audio routing destination.
+        */
+        void GetAudioRouteL( TUint32& aRoutingDestination );
+        
+    	/**
+         * From MJitterBufferObserver
+         */
+        void JitterBufferError( TInt aError );
+        
+        /**
+         * From MJitterBufferObserver
+         */
+        void DynamicBufferChangeRequest( TInt aBufferSize );
+        
+        /**
+         * Bind context into stream.
+         * @since Series 60 3.2
+         * @param aEndpointId The endpoint id
+         * @param aContextParams Crypto context
+         * @return void
+         */
+        void BindContextIntoStreamL( TUint32 aEndpointId,
+                                     const TMccCryptoContext& aContextParams );
+        
+    private:
+        
+        /**
+        * C++ default constructor.
+        */
+        CMccSymDlStream( TUint32 aMccStreamId, 
+                         MAsyncEventHandler* aEventhandler, 
+                         MMccResources* aMccResources, 
+                         CMccRtpManager* aManager, 
+                         TInt aStreamType );
+        
+        /**
+        * 2nd phase constructor
+        */
+        void ConstructL();
+
+    protected: // Functions from base classes
+    
+        MDataSink* MultiplexerSink();
+
+    private:    // New functions
+    
+        /**
+        * Creates the payload format decoder
+        * @since Series 60 3.0
+        * @param None
+        * @return void
+        */
+        void CreatePayloadFormatDecoderL();
+        
+        /**
+         * Worker function for G.711 dynamic buffering
+         * @since S60 v3.2
+         * @param aFrameSize New frametime in milliseconds
+         * @return void
+         */
+        void DoDynamicFrameSizeChangeL( TInt aFrameTime );
+        
+        /**
+         * Worker function for updating codec parameters
+         * @since S60 v3.2
+         * @param aOriginal Original codec settings
+         * @param aNew New codec settings
+         * @return void
+         */
+        void UpdateCodecInformationL( const TMccCodecInfo& aOriginal,
+            const TMccCodecInfo& aNew );
+                
+    private:    // Data
+    
+        // Jitterbuffer
+        CMccJitterBuffer* iJitterBuffer;
+        
+        // Payload format decoder
+        CMMFFormatDecode* iFormatDecode;
+
+        // Payload format decoder for redundancy format
+        CMMFFormatDecode* iRedFormatDecode;
+        
+        // Audio router
+        CMccAudioRouter* iAudioRouter;
+        
+        TBool iFirstResumeDone;
+        
+    private:
+        #ifdef EUNIT_TEST
+            friend class UT_CMccSymDlStream;
+        #endif
+
+    };
+
+#endif      // MCCSYMDLSTREAM_H
+
+// End of File