mmsharing/mmshengine/inc/musenglivesession.h
changeset 0 f0cf47e981f9
child 21 ce86b6d44a6d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshengine/inc/musenglivesession.h	Thu Dec 17 08:44:37 2009 +0200
@@ -0,0 +1,415 @@
+/*
+* Copyright (c) 2005 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 MUSHENGLIVESESSION_H
+#define MUSHENGLIVESESSION_H
+
+// USER
+#include "musengmceoutsession.h"
+#include "musunittesting.h"
+
+// SYSTEM
+#include <ecam.h>
+
+// FORWARD DECLARATIONS
+class MMusEngLiveSessionObserver;
+
+class CMusEngLiveSession : public CMusEngMceOutSession
+    {
+    MUS_UNITTEST( UT_CMusEngOutSession )
+    MUS_UNITTEST( UT_CMusEngLiveSession )
+
+    public:
+
+        /**
+        * Creates new MultimediaSharing Live session.
+        *
+        * @param aFileName Media filename
+        * @param aRect UI drawing area. It is allowed handle from engine
+        * @param aSessionObserver Interface for session specific callbacks
+        * @param aOutSessionObserver Interface for outsession specific callbacks
+        * @param aLiveSessionObserver interface for live session specific
+        *        callbacks
+        * @param aSipProfileId SIP profile to be used, 0 is default profile
+        * @return CMusEngLiveSession* New instanse of specified class
+        */
+        IMPORT_C static CMusEngLiveSession* NewL( 
+							const TDesC& aFileName,
+                            const TRect& aRect,
+                            MMusEngSessionObserver& aSessionObserver,
+                            MMusEngOutSessionObserver& aOutSessionObserver,
+                            MMusEngLiveSessionObserver& aLiveSessionObserver,
+                            TUint aSipProfileId = 0);
+                            
+        /**
+        * Creates new MultimediaSharing Live session.
+        *
+        * @param aRect UI drawing area. It is allowed handle from engine
+        * @param aSessionObserver Interface for session specific callbacks
+        * @param aOutSessionObserver Interface for outsession specific callbacks
+        * @param aLiveSessionObserver interface for live session specific
+        *        callbacks
+        * @param aSipProfileId SIP profile to be used, 0 is default profile
+        * @return CMusEngLiveSession* New instanse of specified class
+        */
+        IMPORT_C static CMusEngLiveSession* NewL( 
+                            const TRect& aRect,
+                            MMusEngSessionObserver& aSessionObserver,
+                            MMusEngOutSessionObserver& aOutSessionObserver,
+                            MMusEngLiveSessionObserver& aLiveSessionObserver,
+                            TUint aSipProfileId = 0 );
+
+
+    public:
+
+        /**
+        * Destructor
+        */
+        ~CMusEngLiveSession();
+
+
+
+    public: // NEW LIVE SESSION SPECIFIC API FUNCTIONS
+
+        /**
+        * Gets current zoom factor
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C TInt CurrentZoomL() const;
+        
+        /**
+        * Sets new zoom factor
+        * 
+        * @pre Session is established
+        * @pre MinZoomL <= aNewZoomFactor <= MaxZoomL
+        * @leave KErrNotReady if session is not established
+        */
+        IMPORT_C void SetZoomL( TInt aNewZoomFactor );
+        
+        /**
+        * Gets minimum zoom factor
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C TInt MinZoomL() const;
+
+        /**
+        * Gets maximum zoom factor
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C TInt MaxZoomL() const;
+        
+        /**
+        * Increases zoom factor by one.
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C void ZoomInL();
+
+        /**
+        * Decreases zoom factor by one.
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C void ZoomOutL();
+
+        /**
+        * Sets zoom factor to default.
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C void ZoomDefaultL();
+
+        /**
+        * Sets current brightness
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C void SetBrightnessL( TInt aBrightness ) const;
+
+
+        /**
+        * Gets current brightness
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C TInt CurrentBrightnessL() const;
+
+        /**
+        * Gets maximum brightness
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C TInt MaxBrightnessL() const;
+
+        /**
+        * Gets minimum brightness
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C TInt MinBrightnessL() const;
+
+        /**
+        * Increases brightness by one.
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C void IncreaseBrightnessL();
+
+        /**
+        * Decreases brightness by one.
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C void DecreaseBrightnessL();
+
+        /**
+        * Sets brightness factor to default.
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C void BrightnessDefaultL();
+
+        /**
+        * Sets brightness to automatic.
+        * 
+        * @pre Session is established
+        * @leave KErrNotReady if precondition not fullfilled
+        */
+        IMPORT_C void BrightnessAutoL();
+
+        /**
+        * Starts or pauses recording
+        */
+        IMPORT_C void RecordL( TBool aRecord );
+
+        /**
+        * Tells whether recording is paused or not
+        */
+        IMPORT_C TBool IsRecording();
+        
+        
+    public: // implementation of virtual API from CMusEngMceOutSession
+
+        /**
+        * Resumes previously paused session. 
+        * Continues using viewfinder and enables streaming video.
+        *
+        */
+        IMPORT_C void PlayL();
+
+        /**
+        * Pauses session.
+        * Holds display and disables streaming video to network.
+        *
+        */
+        IMPORT_C void PauseL();
+
+        /**
+        * Tells whether session is paused or not
+        */
+        IMPORT_C TBool IsPlayingL();
+
+
+    protected: // inherited from CMusEngMceOutSession
+
+        /**
+        * @param aLocalBundle All local streams are supposed to be added to
+        *        this bundle
+        */
+		void CompleteSessionStructureL( CMceStreamBundle& aLocalBundle );
+
+
+    private: // overrides ancestor class versions
+    
+        /**
+        * The state of the session has changed
+        * @param aSession, the session that has changed.
+        */
+        virtual void HandleSessionStateChanged( CMceSession& aSession,
+                                                TInt aStatusCode,
+                                                const TDesC8& aReasonPhrase );
+                                                
+        /**
+        * Sets Multimediasharing specific video codec settings like video 
+        * bitrate maxbitrate. This functions gets called for every video codec 
+        * in session. This function overrides function in ancestor classes. 
+        * Function calls also overridden version.
+        */ 
+        virtual void AdjustVideoCodecL( CMceVideoCodec& aVideoCodec );
+        
+        /**
+        * Sets Multimediasharing specific audio codec settings. This functions 
+        * gets called for every audio codec in session. This function overrides 
+        * function in base class. Function calls also overridden version.
+        */ 
+        virtual void AdjustAudioCodecL( CMceAudioCodec& aAudioCodec );     
+        
+        /**
+        * Removes AVC if known that it is not supported
+        */
+        virtual void DoCodecSelectionL( CMceVideoStream& aVideoStream );
+   
+
+    private: // from MMceStreamObserver, 
+             // overrides the function in CMusEngMceSession
+
+        /**
+        * The state of the sink has changed.
+        *
+        * @param aStream, the stream that uses the sink.
+        * @param aSink, the sink that has changed.
+        */
+        void StreamStateChanged( CMceMediaStream& aStream,
+                                 CMceMediaSink& aSink );    
+                                 
+
+    private:
+
+        /**
+        * Constructor
+        */
+        CMusEngLiveSession( MMusEngSessionObserver& aSessionObserver,
+                            MMusEngOutSessionObserver& aOutSessionObserver,
+                            MMusEngLiveSessionObserver& aLiveSessionObserver,
+        					const TRect& aRect,
+        					const TDesC& aRecordedFile = KNullDesC );
+
+        /**
+        * Second-phase constructor
+        */
+        void ConstructL( TUint aSipProfileId );
+
+    
+    private: // Helpers
+    
+        /**
+        * Reads from CenRep and sets encoding device for a codec.
+        */
+        void SetEncodingDeviceL( CMceVideoCodec& aVideoCodec );
+
+        /**
+        * Sets configuration key for a codec
+        */
+        void SetCodecConfigKeyL( CMceVideoCodec& aVideoCodec );
+    
+        /**
+        * Reads proper configuration key for a codec. NULL if not available.
+        * Ownership is transferred.
+        */
+        HBufC8* ReadCodecConfigKeyL( const CMceVideoCodec& aVideoCodec ) const;
+        
+        /**
+        * Constructs and stores to cenrep a concatenation of all AVC config keys.
+        */
+        void StoreEncoderConfigInfoL() const;
+        
+        /**
+        * Returns config key id for the provided codec. Ownership is transferred
+        */
+        const TPtrC8 ConfigKeyIdL( const CMceVideoCodec& aVideoCodec ) const;
+        
+
+        /**
+        *    Calculate the zoom step size based time escaped. 
+        * 
+        * @param aTime, start time. pass iZoomInTime or iZoomOutTime as parameter
+        * @return TInt, return calculate result of the step size  
+        */
+        TInt ZoomStepSize( TInt64& aTime );
+        
+        /**
+         *  Calculates iMinZoomStep and iMaxZoomStep zoom step sizes,
+         *  should be called before first ZoomIn()/ZoomOut() call
+         */
+        void InitializeZoomStepSize();
+        
+        
+    private:
+
+        /**
+        * Reference to live session observer interface.
+        */
+        MMusEngLiveSessionObserver& iLiveSessionObserver;
+
+        /**
+        *
+        */
+        TCameraInfo iCameraInfo;
+
+        /**
+        *
+        */
+        TInt iDefaultZoomFactor;
+
+        /**
+        *
+        */
+        TInt iDefaultBrightness;
+
+        /**
+        * File name for recording. If KNullDesC no recording performed.
+        */
+        TFileName iRecordedFile;
+        
+        /**
+        * If true, configuration key of current AVC codec must be written to
+        * CenRep after session establishment.
+        */
+        TBool iStoreEncoderConfigInfo;
+        
+        /**
+        * latest Zoomin time
+        */
+
+        TInt64 iZoomInTime;
+
+        /**
+        * latest Zoomout time
+        */
+        TInt64 iZoomOutTime;        
+                       
+        /**
+        *
+        */
+        TInt iSmallZoomStep;
+
+        /**
+        *
+        */
+        TInt iBigZoomStep;
+        
+    };
+
+#endif
+