--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccfilesourcesink/inc/mccfilesourceimpl.h Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,365 @@
+/*
+* Copyright (c) 2006 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:
+*
+*/
+
+
+
+// INCLUDES
+#ifndef MCCFILESOURCEIMPL_H
+#define MCCFILESOURCEIMPL_H
+
+#include <e32base.h>
+#include <f32file.h>
+#include <e32std.h>
+#include <mmf/server/mmfdatasource.h>
+#include <mmf/server/mmfdatasink.h>
+#include <3gplibrary/mp4lib.h>
+
+#include "CCMRMediaSink.h"
+#include "mccperiodicrunner.h"
+#include "mmccevents.h"
+#include "mcceoftimer.h"
+
+// percentage that filereader is behind ROP for playback sync
+const TUint KMccMicroToMilliConst = 1000;
+
+// CLASS DECLARATION
+class CMccFileSourceTypeBase;
+class CMccFileAudio;
+class CMccFileVideo;
+class CMccEofTimer;
+class MMccResources;
+
+/**
+*
+*/
+class CMccFileSourceImpl :
+ public CBase, public MMccEofTimerObserver
+ {
+
+ public: // Methods called internally or by the controller
+
+ /**
+ * Two-phased constructor.
+ */
+ static CMccFileSourceImpl* NewL( TUint32 aEndpointId, MMccResources* aMccResources = NULL );
+
+ CMccFileSourceImpl( TUint32 aEndpointId );
+
+ virtual ~CMccFileSourceImpl();
+
+ /**
+ * Sets the media sink for output
+ * @since SWIS Lite
+ * @param MCMRMediaSink* aSink
+ */
+ virtual void AddDataSink( MCMRMediaSink* aSink );
+
+ /**
+ * Opens a 3GP file for streaming
+ * @since SWIS Lite
+ * @param TFileName aFileName
+ */
+ virtual void OpenFileL( TFileName aFileName, TBool aFileChangeMode = EFalse );
+
+ /**
+ * Closes the 3GP file
+ * @since SWIS Lite
+ */
+ virtual void CloseFileL( TBool aFileChangeMode = EFalse );
+
+ /**
+ * Gets filename
+ */
+ TFileName& FileNameL();
+
+ /**
+ * Seeks to given position in a file
+ * @since SWIS Lite
+ * @param TTimeIntervalMicroSeconds aPosition
+ */
+ virtual void SetPositionL( TTimeIntervalMicroSeconds aPosition );
+
+ /**
+ * Returns the current video type
+ * @since SWIS Lite
+ * @param
+ * @return CCMRMediaBuffer::TBufferType
+ */
+ virtual CCMRMediaBuffer::TBufferType VideoTypeL();
+
+ /**
+ * Returns the current audio type
+ * @since SWIS Lite
+ * @return CCMRMediaBuffer::TBufferType
+ */
+ virtual CCMRMediaBuffer::TBufferType AudioTypeL();
+
+ /**
+ * Returns the current video framerate
+ * @since SWIS Lite
+ * @return TReal32
+ */
+ virtual TReal VideoFrameRateL();
+
+ /**
+ * Returns the current audio bitrate
+ * @since SWIS Lite
+ * @param
+ * @return TUint
+ */
+ virtual TUint32 AudioBitRateL();
+
+ /**
+ * Returns the duration of media clip
+ * @since SWIS Lite
+ * @param
+ * @return TTimeIntervalMicroSeconds
+ */
+ virtual TTimeIntervalMicroSeconds DurationL();
+
+ /**
+ * Returns the video framesize
+ * @since SWIS Lite
+ * @param
+ * @return TSize
+ */
+ virtual TSize VideoFrameSizeL();
+
+ /**
+ * Returns the video bitrate
+ * @since SWIS Lite
+ * @param
+ * @return TUint
+ */
+ virtual TUint32 VideoBitRateL();
+
+ /**
+ * Returns the current reading position
+ * @since SWIS Lite
+ * @param
+ * @return TTimeIntervalMicroSeconds
+ */
+ virtual TTimeIntervalMicroSeconds PositionL();
+
+ /**
+ * Returns the audio fourCC
+ * @return TFourCC
+ */
+ virtual TFourCC AudioFourCCL();
+
+ /**
+ * Returns the video fourCC
+ * @return TFourCC
+ */
+ virtual TFourCC VideoFourCCL();
+
+ /**
+ * Returns config key of opened clip
+ * @param aConfigKey, config key is set to this input param
+ */
+ void GetConfigKeyL( TDes8& aConfigKey );
+
+
+ public: // From MDataSource
+
+ /**
+ * From MDataSource. Returns the data type as a fourCC code of the data source.
+ *
+ * @since Series 60 3.0
+ * @param "aMediaId"
+ * This identifies the type of media eg audio or video and the stream id.
+ * Only KUidMediaTypeAudio -mediatype is supported.
+ * @return The fourCC code identifying the source datatype for the specified aMediaId.
+ */
+ TFourCC SourceDataTypeCode( TMediaId /*aMediaId*/ );
+
+ /**
+ * From MDataSource. Sets the data type as a fourCC code for the data source
+ *
+ * @since Series 60 3.0
+ * @param "aSourceFourCC"
+ * This specifies the data type as a fourCC code to set the source to.
+ *
+ * @param "aMediaId"
+ * This identifies the type of media eg audio or video and the stream id.
+ * Only KUidMediaTypeAudio -mediatype is supported.
+ *
+ * @return KErrNone if successful, KErrNotSupported if the source does not support having
+ * it's data type set, otherwise a system wide error code.
+ */
+ TInt SetSourceDataTypeCode( TFourCC aCodec,
+ TMediaId aMedia );
+
+
+ /**
+ * From MDataSource. Method to 'prime' the data source.
+ *
+ * Datasource is set to primed state.
+ *
+ * @since Series 60 3.0
+ * @return None
+ */
+ void SourcePrimeL();
+
+ /**
+ * From MDataSource. Method to 'play' the data source.
+ *
+ * Downlink timeout timer is started and datasource is set to playing state.
+ *
+ * @since Series 60 3.0
+ * @return None
+ */
+ void SourcePlayL( TBool aIgnoreEvents = EFalse, TBool aFileChangeMode = EFalse );
+
+ /**
+ * From MDataSource. Method to 'pause' the data source.
+ *
+ * Downlink timeout timer is stopped and datasource is set to paused state.
+ *
+ * @since Series 60 3.0
+ * @return None
+ */
+ void SourcePauseL();
+
+ /**
+ * From MDataSource. Method to 'stop' the data source.
+ *
+ * Downlink timeout timer is stopped and datasource is set to stopped state.
+ *
+ * @since Series 60 3.0
+ * @return None
+ */
+ void SourceStopL( TBool aIgnoreEvents = EFalse, TBool aFileChangeMode = EFalse );
+
+ /**
+ * From MDataSource. Method called by a MDataSink to request the data source to fill aBuffer with data.
+ *
+ * Datasource gets packet from jitterbuffer and forwards it to the payloadformatdecoder
+ * for further processing. Datasource works synchronously; consumers BufferFilledL
+ * is called when RTP packet is got succesfully from jitterbuffer.
+ *
+ * @since Series 60 3.0
+ * @param "aBuffer"
+ * The buffer that needs filling with data
+ *
+ * @param "aConsumer"
+ * The data sink that consumes the data. The data source needs this to make the BufferFilledL
+ * callback on aConsumer when the data source has completed filling the aBuffer.
+ *
+ * @param "aMediaId"
+ * This identifies the type of media eg audio or video and the stream id.
+ * This parameter is required in cases where the source can supply data
+ * of more than one media type and/or multiple strams of data eg a multimedia file.
+ * @return None
+ */
+ void FillBufferL( CMMFBuffer* aBuffer,
+ MDataSink* aConsumer,
+ TMediaId aMediaId );
+
+ TInt SourceThreadLogon( MAsyncEventHandler& aEventHandler );
+
+ void SourceThreadLogoff();
+
+ public:
+ void PauseAudioL( TInt aError = KErrNone );
+ void PauseVideoL( TInt aError = KErrNone );
+
+ void SetDelayAfterStop( TInt aDelay );
+ TInt DelayAfterStop() const;
+
+ void StopEofTimer();
+ void EofTimerExpiredL(); // from MMccEofTimerObserver
+
+ public:
+
+ static TTimeIntervalMicroSeconds MilliToMicroSeconds( TUint32 aMilliSeconds );
+ static TUint32 MicroToMilliSeconds( TTimeIntervalMicroSeconds aMicroSeconds );
+
+ private:
+
+ void ConstructL( MMccResources* aMccResources );
+
+ private:
+ void FileOpenErrorL( MP4Err error );
+
+ void SendStreamEventToClient( TMccEventCategory aEventCategory,
+ TMccEventType aEventType,
+ TInt aError = KErrNone,
+ TUint32 aEventNumData = 0 );
+
+ void SetFileName( const TFileName& aFileName );
+
+ void OpenFileForStreamingL( TFileName aFileName );
+
+ TBool AudioInUse() const;
+
+ TBool VideoInUse() const;
+
+ void DoCleanupL( TBool aFileChangeMode );
+
+ void StartEofTimerL();
+
+ void ClearEvent();
+
+ TBool StartNeededL( CMccFileSourceTypeBase& aFileSource );
+
+
+ private:
+
+ // 3GP library handle
+ MP4Handle iMP4Handle;
+
+ enum TCurrentState
+ {
+ EConstructed = 0,
+ EPrimed,
+ EPaused,
+ EWaitingPause,
+ EStopped, // Equals EConstructed
+ EPlaying // Streaming (timers active)
+ };
+
+ TCurrentState iCurrentState;
+
+ TBool iIsAudio;
+ TBool iIsVideo;
+ CMccFileAudio* iFileAudio;
+ CMccFileVideo* iFileVideo;
+
+ MAsyncEventHandler* iAsyncEventHandler;
+
+ TUint32 iEndpointId;
+
+ TFileName iFileName;
+
+ TMccEvent iMccEvent;
+
+ TInt iDelayAfterStop;
+
+ CMccEofTimer* iEofTimer;
+
+ #ifdef EUNIT_TEST
+ friend class UT_CMccFileSourceImpl;
+ friend class UT_CMccMultiplexer;
+ #endif
+ };
+
+
+#endif // end of MCCFILESOURCEIMPL_H
+
+
+// End of file