--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/audioeditorengine/inc/ProcOutFileHandler.h Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,128 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "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:
+* Ixonos Plc
+*
+* Description:
+*
+*/
+
+
+
+#ifndef __CPROCOUTFILEHANDLER_H__
+#define __CPROCOUTFILEHANDLER_H__
+
+#include <e32base.h>
+#include <f32file.h>
+#include "AudCommon.h"
+#include "ProcConstants.h"
+
+class CProcOutFileHandler : public CBase
+ {
+
+public:
+
+/*
+ static CProcOutFileHandler* NewL(const TDesC& aFileName,
+ TInt aWriteBufferSize,
+ TAudFileProperties aProperties);
+
+ static CProcOutFileHandler* NewLC(const TDesC& aFileName,
+ TInt aWriteBufferSize,
+ TAudFileProperties aProperties);
+*/
+
+ /**
+ * Sets the output file properties
+ *
+ * @param aProperties properties of the output file
+ */
+ TBool SetPropertiesL(TAudFileProperties aProperties);
+
+ void GetPropertiesL(const TAudFileProperties*& aProperties);
+
+ /**
+ * Initializes an output file
+ * (writes file headers etc.)
+ *
+ * @return ETrue if successful
+ *
+ */
+ virtual TBool InitializeFileL();
+
+ /**
+ * Finalizes an output file
+ * Writes some file specific information if needed and
+ * closes the file
+ *
+ */
+ virtual TBool FinalizeFile();
+
+ /**
+ * Writes a new audio frame to an output file
+ *
+ * @param aFrame an audio frame to be written
+ * @param aSize the number of bytes written
+ *
+ */
+ virtual TBool WriteAudioFrameL(const HBufC8*& aFrame, TInt& aSize);
+
+ /**
+ * Writes a new audio frame to an output file
+ *
+ * @param aFrame an audio frame to be written
+ * @param aSize the number of bytes written
+ * @param aDurationMilliSeconds frame duration in milliseconds
+ *
+ */
+ virtual TBool WriteAudioFrameL(const HBufC8*& aFrame, TInt& aSize, TInt aDurationMilliSeconds);
+
+ /**
+ * Writes silent frames to current file position
+ *
+ * @param aTime time (in milliseconds) of how much silence is to be written
+ */
+ virtual TBool WriteSilenceL(TInt32 aTime) = 0;
+ virtual ~CProcOutFileHandler();
+
+
+private:
+
+protected:
+
+ void ConstructL(const TDesC& aFileName, TInt aWriteBufferSize, TAudFileProperties aProperties);
+ void InitL(const TDesC& aFileName, TInt aWriteBufferSize);
+ TBool OpenFileForWritingL();
+ TBool CloseFile();
+ CProcOutFileHandler();
+
+ TInt BufferedFileWriteL(const TDesC8& aDes,TInt aLength);
+ TInt BufferedFileGetPos();
+ TInt BufferedFileSetPos(TInt aPos);
+
+ HBufC* iFileName;
+
+ RFile iFile;
+ RFs iFs;
+ TBool iFileOpen;
+
+ HBufC8* iWriteBuffer;
+
+ TInt iWriteBufferSize;
+
+ TAudFileProperties* iProperties;
+
+ HBufC8* iSilentFrame;
+
+ };
+
+#endif