--- a/mmfenh/enhancedmediaclient/Plugins/ProgDLSource/inc/ProgDLMultimediaSource.h Mon May 03 12:59:52 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,223 +0,0 @@
-/*
-* 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: Header of ProgDLMultimediaSource.
-*
-*/
-
-
-
-
-#ifndef __PROGDLMULTIMEDIASOURCE_H_
-#define __PROGDLMULTIMEDIASOURCE_H_
-
-
-#include <centralrepository.h>
-
-class CReadWriteRequest;
-class CTransferBufferCopy;
-class MGenericFile;
-
-
-
-
-/**
-@publishedAll
-@released
-
-MultiMedia framework class. Represents a physical file.
-This may be source file from which data is read or destination to which data is written.
-Intended to be used by controller plugin developers for source and sink plugins.*/
-
-class CProgDLMultimediaSource : public CMultimediaDataSource
- {
- public:
- // From MDataSource
- IMPORT_C static CProgDLMultimediaSource* NewL(MDataSource& aDataSource);
-
- // From CMultimediaDataSource begins
- TInt SetObserver( MMultimediaDataSourceObserver& aObserver );
- TInt GetObserver( MMultimediaDataSourceObserver*& aObserver );
- void Event( TUid aEvent );
- TInt SetDataTypeCode(TFourCC aSourceFourCC );
- TInt GetDataTypeCode(TFourCC& aSourceFourCC );
- TInt GetSize( TUint& aSize );
- TInt Open();
- TInt Close();
- TInt Prime();
- TInt Play();
- TInt Stop();
- TInt FillBuffer( CMMFBuffer* aBuffer);
- TInt Seek( TUint aPosInBytes );
- TInt GetSeekingSupport( TBool& aSeekSupport );
- TInt GetRandomSeekingSupport( TBool& aSeekSupport );
- // From CMultimediaDataSource ends
-
- TInt GetDRMProtection( TBool& aIsProtected );
- TInt EvaluateIntent( ContentAccess::TIntent aIntent ) const;
- TInt ExecuteIntent( ContentAccess::TIntent aIntent );
- TInt SetAgentProperty( ContentAccess::TAgentProperty aProperty,
- TInt aValue);
- const TDesC& UniqueId() const;
- // From MCustomInterface
- TAny* CustomInterface( TUid aInterfaceUid );
- void SourceCustomCommand(TMMFMessage& aMessage);
-
- void FillBufferL( CMMFBuffer* aBuffer, MDataSink* aConsumer, TMediaId aMediaId ) ;
-
-
- public :
- virtual ~CProgDLMultimediaSource() ;
- // static MDataSource* NewSourceL(/*TUid aType*/) ;
-
- void SetTransferBuffer (TBool aTBuffer) ;
- TBool CanUseTransferBuffer () ;
- TInt ReadRequestStatus(CReadWriteRequest* aRequest,TRequestStatus& aStatus);
-
- protected:
- /**
- Indicates for which purpose the object instance is being created
- */
- enum TMMFileMode
- {
- /** The object is created for being a source */
- ESourceMode,
- /** The object is created for being a sink */
- ESinkMode
- };
-
- void ConstructL(const TDesC8& aInitData, TMMFileMode aFileMode) ;
- void ConstructL();
- CProgDLMultimediaSource(MDataSource& aDataSource);
-
- void StoreRequestL( CReadWriteRequest* aRequest ) ;
- void CancelRequests();
-
- TInt EmptySinkQueue();
- CTransferBufferCopy* ObtainCopyOfTransferBufferL(TInt aMaxLength);
-
- // Calculate BufferedDataSize
- void CalculateBufferedDataSize();
- void StateChanged(TState newState);
-
- // A common function that implements FillBuffer requests
- TInt AppendBufferToSinkQueue( CMMFBuffer* aBuffer,
- MMultimediaDataSourceObserver* aObserver,
- MDataSink* aConsumer,TBool aTop);
-
- TInt ServiceFillBuffer();
- private:
-
- // New Functions
- const TDesC& FileName() const ;
- const TDesC& Extension() const ;
- const TDesC& FilePath() const ;
- const TDesC& FileDrive() const ;
- const TFileName FullName() const;
- RFile& FileL() ;
-
- private:
- class CProgDLMultimediaSourceAsyncEventHandler : public MAsyncEventHandler
- {
- public:
- CProgDLMultimediaSourceAsyncEventHandler(CProgDLMultimediaSource* aParent);
- virtual ~CProgDLMultimediaSourceAsyncEventHandler();
- public:
- virtual TInt SendEventToClient(const TMMFEvent& aEvent);
- private:
- CProgDLMultimediaSource* iParent;
- };
-
- class CCAFParameters : public CBase
- {
- public:
- CCAFParameters() : iUniqueId(NULL), iEnableUI(EFalse) {}
- ~CCAFParameters() { delete iUniqueId; }
- public:
- HBufC* iUniqueId;
- TBool iEnableUI;
- };
-
- void GetAudioConfiguration();
- TInt ReOpenCAF();
-
- private:
- MGenericFile* iFile;
- RFs iFsSession;
-
- TBool iFileHandle;
- RFile iHandle;
- TBool iReserved;
-
- TFileName iFullFileName ;
- HBufC* iFileName ;
- HBufC* iFileExt ;
- HBufC* iFilePath ;
- HBufC* iFileDrive ;
- CCAFParameters* iCAFParameters;
-
-
-
-
-
- TFourCC iSinkFourCC ;
- TFourCC iSourceFourCC ;
-
- // Queue of buffers from controller
- TSglQue<CSinkQueueItem>* iSinkQueue;
- //MDataSink* iConsumer;
- // Sink item Counter
- TInt iSnkItemsCount;
- // Observer bit rate in bps
- //Keeps track of the read position within the file. Needed in order to enable passing of the
- //read position to the CReadRequest to manage the LastBuffer flag.
- //NB: Continuous reads once EOF has been reached will result in iPosition going > iDLFileSize,
- //but this causes no ill effects
- TUint iSnkBytes;
-
- TInt iDownloadSize;
-
- // Transfer bit rate in bps
- TUint iTransferRate;
-
- TUint iObserverBitRate;
-
- // Buffering size in bytes
- TUint iBufferedDataSize;
-
- TInt iDLFileSize; //holds the cached file size
- TMMFMessage* iMessage;
-
- MMultimediaDataSourceObserver* iObserver;
- RPointerArray<CReadWriteRequest> iRequests;
-
- MAsyncEventHandler *iEventHandler;
-
- RPointerArray<CTransferBufferCopy> iTransferBufferCopies;
- TBool isDownloadComplete;
-
- TBool iReOpenCAF;
-
- TInt iFileSize;
-
- // Pointer to the Preset Repository
- CRepository* iAudioConfigRepository;
- TBufferingConfig iPrimaryBufferingConfig;
- TBufferingConfig iSecondaryBufferingConfig;
- TUint iInitialBufferingPercentage;
- TInt iReadRequestPending;
- MDataSource* iParentDataSource;
- HBufC8* iInitData;
- };
-
-#endif