--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/videoutils_plat/dvrengine_api/inc/ipvideo/CRtpClipHandler.h Thu Dec 17 09:14:38 2009 +0200
@@ -0,0 +1,323 @@
+/*
+* 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: Interface for RTP file actions.*
+*/
+
+
+
+
+#ifndef CRTPCLIPHANDLER_H
+#define CRTPCLIPHANDLER_H
+
+// INCLUDES
+#include <ipvideo/CRtpFileBase.h>
+#include <ipvideo/MRtpFileObserver.h>
+#include <ipvideo/MRtpFileWriteObserver.h>
+#include <ipvideo/MRtpFileReadObserver.h>
+#include <ipvideo/CRTypeDefs.h>
+
+// CONSTANTS
+const TInt KDvrMaximumTimeShift( 12 * 60 * 60 ); // 12 hours
+
+// MACROS
+// None
+
+// DATA TYPES
+// None
+
+// FORWARD DECLARATIONS
+class CRtpToFile;
+class CRtpFromFile;
+
+// CLASS DECLARATION
+
+/**
+* Handles RTP storing/reading in a clip with a proprietary file format.
+*
+* @lib RtpClipHandler.lib
+* @since Series 60 3.0
+*/
+class CRtpClipHandler : public CBase,
+ public MRtpFileObserver
+ {
+
+public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ * @return CRtpClipHandler pointer to CRtpClipHandler class.
+ */
+ IMPORT_C static CRtpClipHandler* NewL();
+
+ /**
+ * Destructor.
+ */
+ IMPORT_C virtual ~CRtpClipHandler();
+
+public: // New functions
+
+ /**
+ * Registers RTP file write observer.
+ * @since Series 60 3.0
+ * @param aObs a pointer to class which handles callback.
+ * @return none.
+ */
+ IMPORT_C void RegisterWriteObserver( MRtpFileWriteObserver* aObs );
+
+ /**
+ * Registers RTP file read observer.
+ * @since Series 60 3.0
+ * @param aObs a pointer to class which handles callback.
+ * @return none.
+ */
+ IMPORT_C void RegisterReadObserver( MRtpFileReadObserver* aObs );
+
+ /**
+ * Starts RTP recording to a file.
+ * @since Series 60 3.0
+ * @param aRecParams a recording info structure.
+ * @param aAction a save action for clip mode.
+ * @return none.
+ */
+ IMPORT_C void StartRecordingL(
+ const MRtpFileWriteObserver::SRtpRecParams& aRecParams,
+ const MRtpFileWriteObserver::TRtpSaveAction& aAction );
+
+ /**
+ * Saves next RTP group to a clip.
+ * @since Series 60 3.0
+ * @param aGroup a RTP group data.
+ * @param aGroupLength a length of group.
+ * @param aAction a save action for current group.
+ * @return none.
+ */
+ IMPORT_C void SaveNextGroupL(
+ TPtr8& aGroup,
+ TUint aGroupLength,
+ const MRtpFileWriteObserver::TRtpSaveAction& aAction );
+
+ /**
+ * Getter for writing activity state.
+ * @since Series 60 3.0
+ * @param none.
+ * @return true if writing ongoing, otherwise false.
+ */
+ IMPORT_C TBool WritingActive( void ) const;
+
+ /**
+ * Getter for current length of the clip.
+ * @since Series 60 3.0
+ * @param none.
+ * @return a total length of the clip.
+ */
+ IMPORT_C TUint GetCurrentLength( void ) const;
+
+ /**
+ * Clip loop mode set for time shift.
+ * @since Series 60 3.0
+ * @param none.
+ * @return none.
+ */
+ IMPORT_C void TimeShiftPauseL();
+
+ /**
+ * Default values for rbf record params.
+ * @since Series 60 3.0
+ * @param aParams a recording parameters.
+ * @param aIndex a index for time shift clip name.
+ * @return none.
+ */
+ IMPORT_C void DefaultRecParams( MRtpFileWriteObserver::SRtpRecParams& aParams,
+ const TInt aIndex );
+
+ /**
+ * Setter recording end time of the clip.
+ * @since Series 60 3.0
+ * @param aEndTime new end time for the clip.
+ * @return none.
+ */
+ IMPORT_C void UpdateRecordEndTime( const TTime& aEndTime );
+
+ /**
+ * Resumes RTP recording.
+ * @since Series 60 3.0
+ * @param none.
+ * @return none.
+ */
+ IMPORT_C void ResumeRecordingL( void );
+
+ /**
+ * Stops RTP recording.
+ * @since Series 60 3.0
+ * @param aError a stop error code.
+ * @return none.
+ */
+ IMPORT_C void StopRecording( const TInt aError );
+
+ /**
+ * Starts RTP playback from a clip.
+ * @since Series 60 3.0
+ * @param aParams a RTP clip play params.
+ * @param aTimeShift a time shift mode or not.
+ * @return none.
+ */
+ IMPORT_C void StartPlayBackL( const SCRRtpPlayParams& aParams,
+ const TBool aTimeShift = EFalse );
+
+ /**
+ * Starts RTP playback from a clip.
+ * @since Series 60 3.0
+ * @param aRtpHandle a open file handle for RTP file.
+ * @return none.
+ */
+ IMPORT_C void StartPlayBackL( const RFile& aFileHandle );
+
+ /**
+ * Getter for SDP of the clip.
+ * @since Series 60 3.0
+ * @param none.
+ * @return none.
+ */
+ IMPORT_C HBufC8* GetClipSdpL( void ) const;
+
+ /**
+ * Reads next RTP group from a clip.
+ * @since Series 60 3.0
+ * @param none.
+ * @return none.
+ */
+ IMPORT_C void NextClipGroupL( void );
+
+ /**
+ * Sets Seek point of the clip.
+ * @since Series 60 3.0
+ * @param aTime a time where to seek in clip.
+ * @return none.
+ */
+ IMPORT_C void SetSeekPointL( const TUint aTime );
+
+ /**
+ * Stops RTP playback.
+ * @since Series 60 3.0
+ * @param aError a stop error code.
+ * @param aPlayerBuf a buffer length in player.
+ * @return none.
+ */
+ IMPORT_C void StopPlayBack( const TInt aError,
+ const TUint aPlayerBuf );
+
+ /**
+ * Getter for clip version.
+ * @since Series 60 3.0
+ * @param none.
+ * @return a internal version of the clip.
+ */
+ inline TInt8 ClipVersion( void ) const;
+
+private: // Constructors and destructor
+
+ /**
+ * C++ default constructor.
+ */
+ CRtpClipHandler();
+
+ /**
+ * By default Symbian 2nd phase constructor is private.
+ */
+ void ConstructL();
+
+private: // Functions from base classes
+
+ /**
+ * From MRtpFileObserver.
+ * Called when RTP group save is ready.
+ * @since Series 60 3.0
+ * @param aAction a save action for last saved group.
+ * @return None.
+ */
+ void RtpGroupSaved( const TInt aAction );
+
+ /**
+ * From MRtpFileObserver.
+ * Getter for current file reader point.
+ * @since Series 60 3.0
+ * @param aIndex a index of shift seek array.
+ * @return a read point in file reader.
+ */
+ TInt CurrentFileReadPoint( const TInt aIndex );
+
+private: // New methods
+
+ /**
+ * Swap to next available clip in time shift array if needed.
+ * @since Series 60 3.0
+ * @param none.
+ * @return none.
+ */
+ void SwapClipIfNeededL( void );
+
+private: // Data
+
+ /**
+ * RTP write observer.
+ */
+ MRtpFileWriteObserver* iWriteObs;
+
+ /**
+ * RTP read observer.
+ */
+ MRtpFileReadObserver* iReadObs;
+
+ /**
+ * RTP file save.
+ */
+ CRtpToFile* iRtpSave;
+
+ /**
+ * RTP file read.
+ */
+ CRtpFromFile* iRtpRead;
+
+ /**
+ * Clip version.
+ */
+ TInt8 iClipVersion;
+
+ /**
+ * Time shift save clip name index.
+ */
+ TInt iSaveNameIndex;
+
+ /**
+ * Time shift read clip name index.
+ */
+ TInt iReadNameIndex;
+
+ /**
+ * Time shift paused state.
+ */
+ TBool iTsPauseState;
+
+ /**
+ * Time shift seek handling array.
+ */
+ RArray<CRtpFileBase::STimeShiftSeek> iShiftSeek;
+
+ };
+
+#include <ipvideo/CRtpClipHandler.inl>
+
+#endif // CRTPCLIPHANDLER_H
+
+// End of file