--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dvrengine/CommonRecordingEngine/inc/CCRPacketSourceBase.h	Thu Dec 17 09:14:38 2009 +0200
@@ -0,0 +1,226 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:    Common interface for sources*
+*/
+
+
+
+#ifndef MCRPACKETSOURCEBASE_H
+#define MCRPACKETSOURCEBASE_H
+
+// INCLUDES
+#include "CCRStreamingSession.h"
+#include "MCRPacketSource.h"
+#include "MCRConnectionObserver.h"
+
+// CONSTANTS
+// None
+
+// MACROS
+// None
+
+// DATA TYPES
+// None
+
+// FORWARD DECLARATIONS
+// None
+
+// CLASS DECLARATION
+// None
+
+/**
+* Interface to source.
+*
+*  @lib CommonRecordingEngine.lib
+*  @since Series 60 3.0
+*/
+class CCRPacketSourceBase : public CBase,
+                            public MCRPacketSource
+    {
+
+public: // Constructors and destructors
+
+    /**
+    * Destructor
+    */
+    virtual ~CCRPacketSourceBase(); 
+
+public: // Methods from base classes
+
+	/**
+    * From MCRPacketSource.
+    * Method for setting buffers to packet source.
+	* @since Series 60 3.0
+	* @param aBuffer is buffer to be set.
+	* @return none.
+	*/
+	virtual void SetBuffer( CCRPacketBuffer* aBuffer );
+
+    /**
+    * From MCRPacketSource.
+    * Method for acquiring sdp.
+    * @since Series 60 3.0
+    * @param aSdp is string pointer that will be .Set() to contain the sdp.
+    *        If no sdp is available no .Set() will occur.
+    * @return KErrNotReady if no sdp available.
+    */
+    virtual TInt GetSdp( TPtrC8& aSdp ) = 0;
+
+    /**
+    * From MCRPacketSource.
+    * Method for acquiring (almost) up-to-date sequence and ts numbers.
+    * @since Series 60 3.0
+    * @param aAudioSeq is reference to TUint that will be set by this
+    *        method to contain latest available sequence number for
+    *        audio stream being received via this packet source.
+    * @param aAudioTS rtp timestamp for audio.
+    * @param aVideoSeq rtp seq for video. If no video, value will not be touched.
+    * @param aVideoTS rtp ts for video.
+    * @return KErrNone if data available.
+    */
+    virtual TInt SeqAndTS( TUint& aAudioSeq,
+                           TUint& aAudioTS,
+                           TUint& aVideoSeq,
+                           TUint& aVideoTS );
+
+    /**
+    * From MCRPacketSource.
+    * Method for ordering "play" for packet source.
+    * @since Series 60 3.0
+    * @param aStartPos is start position in seconds.
+    * @param aEndPos is end position in seconds.
+    * @return a system wide error code.
+    */
+    virtual TInt Play( const TReal& aStartPos,
+                       const TReal& aEndPos );
+
+    /**
+    * From MCRPacketSource.
+    * Method for pausing play from source.
+    * @since Series 60 3.0
+    * @param none.
+    * @return a system wide error code.
+    */
+    virtual TInt Pause();
+
+    /**
+    * From MCRPacketSource.
+    * Method for stopping play from source.
+    * @since Series 60 3.0
+    * @param none.
+    * @return a system wide error code.
+    */
+    virtual TInt Stop();
+
+    /**
+    * From MCRPacketSource.
+    * Setter for current position.
+    * @since Series 60 3.0
+    * @param aPosition a postion of playback.
+    * @return a system wide error code.
+    */
+    virtual TInt SetPosition( const TInt64 aPosition );
+    
+    /**
+    * From MCRPacketSource.
+    * Getter for current position.
+    * @since Series 60 3.0
+    * @param aPosition a postion of playback.
+    * @param aDuration a duration of playback.
+    * @return a system wide error code.
+    */
+    virtual TInt GetPosition( TInt64& aPosition,
+                              TInt64& aDuration );
+    
+    /**
+    * From MCRPacketSource.
+    * Method for getting range of stream. If no range/duration
+    * is available this method will set the return values to
+    * 0.0,-1.0 and that may be quite normal state live streams.
+    * @since Series 60 3.0
+    * @param aLower is where to start from.
+             If no value available, value of aLower must be set to 0.
+    * @param aUpper is where to stop. Negative values mean eternity.
+    * @return none.
+    */
+    virtual void GetRange( TReal& aLower,
+                           TReal& aUpper );
+
+    /**
+    * From MCRPacketSource.
+    * Post action after source initialized.
+    * @since Series 60 3.0
+    * @param none.
+    * @return none.
+    */
+    virtual void PostActionL();
+
+    /**
+    * From MCRPacketSource.
+    * Method for requesting more packets to buffer.
+    * @since Series 60 3.0
+    * @param none.
+    * @return none.
+    */
+    virtual void Restore();
+
+public: // New methods
+
+    /**
+    * Method that owner of source may utilitze to distinguish
+    * between sources
+    * @since Series 60 3.0
+    * @param none.
+    * @return Id that may have been set. 
+    */
+    virtual CCRStreamingSession::TCRSourceId Id( void ) const; 
+    
+    /**
+    * Registers connection observer.
+    * @since Series 60 3.0
+    * @param aObserver aObserver.
+    * @return none.
+    */
+    virtual void RegisterConnectionObs( MCRConnectionObserver* aObserver );
+
+protected: // Constructors and destructors
+
+    /**
+    * Default constructor 
+    */
+    CCRPacketSourceBase( CCRStreamingSession& aSession,
+                         CCRStreamingSession::TCRSourceId aSourceId ); 
+
+protected: // Data
+    
+    /** 
+    * Pointer to streaming session that owns us.
+    */
+    CCRStreamingSession& iOwningSession;                     
+    
+    /**
+    * Buffer used by sources.
+    */
+    CCRPacketBuffer* iBuffer;
+     
+    /**
+    * Source id, set by owner
+    */
+    const CCRStreamingSession::TCRSourceId iSourceId; 
+    
+    };
+
+#endif // MCRPACKETSOURCEBASE_H
+
+//  End of File