--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/dvrengine/CommonRecordingEngine/inc/CCRRtpFileSource.h Wed Sep 01 12:20:37 2010 +0100
@@ -0,0 +1,268 @@
+/*
+* 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: Class that reads RTP packets from propriatary file format.*
+*/
+
+
+
+
+#ifndef CCRRTPFILESOURCE_H
+#define CCRRTPFILESOURCE_H
+
+// INCLUDES
+#include "CCRPacketSourceBase.h"
+#include <ipvideo/MRtpFileReadObserver.h>
+#include <ipvideo/MRtpFileWriteObserver.h>
+
+// CONSTANTS
+// None
+
+// MACROS
+// None
+
+// DATA TYPES
+// None
+
+// FORWARD DECLARATIONS
+class CRtpClipHandler;
+
+// CLASS DECLARATION
+
+/**
+* Class that negotiaties RTP stream using RTSP.
+*
+* @lib CommonRecordingEngine.lib
+* @since Series 60 3.0
+*/
+class CCRRtpFileSource : public CCRPacketSourceBase,
+ public MRtpFileReadObserver
+ {
+
+public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ * @return CCRRtpFileSource pointer to CCRRtpFileSource class
+ */
+ static CCRRtpFileSource* NewL( const SCRRtpPlayParams& aParams,
+ CRtpClipHandler*& aClipHandler,
+ MCRStreamObserver& aSessionObs,
+ CCRStreamingSession& aOwningSession );
+
+ /**
+ * Two-phased constructor.
+ * @return CCRRtpFileSource pointer to CCRRtpFileSource class
+ */
+ static CCRRtpFileSource* NewL( const RFile& aRtpHandle,
+ CRtpClipHandler*& aClipHandler,
+ MCRStreamObserver& aSessionObs,
+ CCRStreamingSession& aOwningSession );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CCRRtpFileSource();
+
+public: // New functions
+
+ /**
+ *
+ * @since Series 60 3.0
+ * @param none.
+ * @return none.
+ */
+ //void PunchPacketsSent();
+
+private: // Constructors and destructor
+
+ /**
+ * C++ default constructor.
+ * @param aSessionObs a session observer.
+ * @param aOwningSession a owning session.
+ */
+ CCRRtpFileSource( CRtpClipHandler*& aClipHandler,
+ MCRStreamObserver& aSessionObs,
+ CCRStreamingSession& aOwningSession );
+
+ /**
+ * By default Symbian 2nd phase constructor is private.
+ */
+ void ConstructL( const SCRRtpPlayParams& aParams );
+
+ /**
+ * By default Symbian 2nd phase constructor is private.
+ */
+ void ConstructL( const RFile& aRtpHandle );
+
+private: // Methods from base classes
+
+ /**
+ * From CCRPacketSourceBase.
+ * 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.
+ */
+ TInt GetSdp( TPtrC8& aSdp );
+
+ /**
+ * From CCRPacketSourceBase.
+ * Method for setting buffers to packet source
+ * @since Series 60 3.0
+ * @param aBuffer is buffer to be set.
+ * @return none.
+ */
+ void SetBuffer( CCRPacketBuffer* aBuffer );
+
+ /**
+ * From CCRPacketSourceBase.
+ * Post action after source initialized.
+ * @since Series 60 3.0
+ * @param none.
+ * @return none.
+ */
+ void PostActionL();
+
+ /**
+ * From CCRPacketSourceBase.
+ * Method for requesting more packets to buffer.
+ * @since Series 60 3.0
+ * @param none.
+ * @return none.
+ */
+ void Restore();
+
+ /**
+ * From CCRPacketSourceBase.
+ * 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.
+ */
+ TInt Play( const TReal& aStartPos,
+ const TReal& aEndPos );
+
+ /**
+ * From CCRPacketSourceBase.
+ * Method for stopping play from source.
+ * @since Series 60 3.0
+ * @param none.
+ * @return a system wide error code.
+ */
+ TInt Stop();
+
+ /**
+ * From CCRPacketSourceBase.
+ * Setter for current position.
+ * @since Series 60 3.0
+ * @param aPosition a postion of playback.
+ * @return a system wide error code.
+ */
+ TInt SetPosition( const TInt64 aPosition );
+
+ /**
+ * From CCRPacketSourceBase.
+ * 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.
+ */
+ TInt GetPosition( TInt64& aPosition,
+ TInt64& aDuration );
+
+ /**
+ * From MRtpFileReadObserver.
+ * Called when RTP packets group readed from a file.
+ * @since Series 60 3.0
+ * @param aGroup a RTP data readed from a file.
+ * @param aGroupTime a group time in milli seconds.
+ * @param aLastGroup a indication of last group in clip.
+ * @return none.
+ */
+ void GroupReadedL( const TDesC8& aGroup,
+ const TUint aGroupTime,
+ const TBool aLastGroup );
+
+ /**
+ * From MRtpFileReadObserver.
+ * File handler status of playback.
+ * @since Series 60 3.0
+ * @param aStatus a status of file reading.
+ * @return none.
+ */
+ void ReadStatus( TInt aStatus );
+
+private: // New methods
+
+ /**
+ * Method for requesting more packets to buffer.
+ * @since Series 60 3.0
+ * @param aForce if true, forces read packets even buffer more than threshold.
+ * @return a system wide error code.
+ */
+ TInt NextClipGroup( const TBool aForce );
+
+ /**
+ * Setter for current position of .rtp clip.
+ * @since Series 60 3.0
+ * @param aPosition a postion of playback.
+ * @return a system wide error code.
+ */
+ TInt RtpPosition( const TUint aPosition );
+
+ /**
+ * Converts old RTP propriatary format packet type to stream id.
+ * @since Series 60 3.0
+ * @param aType a packet type from a clip.
+ * @param aStream a stream id to update.
+ * @return true if packet valid, otherwise false.
+ */
+ TBool TypeToStream( const MRtpFileWriteObserver::TRtpType& aType,
+ MCRPacketSource::TCRPacketStreamId& aStream );
+
+private: // Data
+
+ /**
+ * Clip handler for RTP clip.
+ */
+ CRtpClipHandler*& iClipHandler;
+
+ /**
+ * Session observer.
+ */
+ MCRStreamObserver& iSessionObs;
+
+ /**
+ * SDP data.
+ */
+ HBufC8* iSdp;
+
+ /**
+ * Time of initialy readed group.
+ */
+ TUint iInitialTime;
+
+ /**
+ * Pause packet sent to sink from a clip.
+ */
+ TInt iClipPauseSent;
+
+ };
+
+#endif // CCRRTPFILESOURCE_H
+
+// End of file