home *** CD-ROM | disk | FTP | other *** search
- /*
- *
- * $Id: k3bwavefilewriter.h 619556 2007-01-03 17:38:12Z trueg $
- * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
- *
- * This file is part of the K3b project.
- * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * See the file "COPYING" for the exact licensing terms.
- */
-
-
- #ifndef K3BWAVEFILEWRITER_H
- #define K3BWAVEFILEWRITER_H
-
- #include <qstring.h>
- #include <qfile.h>
- #include <qdatastream.h>
- #include "k3b_export.h"
- /**
- * @author Sebastian Trueg
- * Creates wave files from 16bit stereo little or big endian
- * sound samples
- */
- class LIBK3B_EXPORT K3bWaveFileWriter
- {
- public:
-
- enum Endianess { BigEndian, LittleEndian };
-
- K3bWaveFileWriter();
- ~K3bWaveFileWriter();
-
- /**
- * open a new wave file.
- * closes any opened file.
- */
- bool open( const QString& filename );
-
- bool isOpen();
- const QString& filename() const;
-
- /**
- * closes the file.
- * Length of the wave file will be written into the header.
- * If no data has been written to the file except the header
- * it will be removed.
- */
- void close();
-
- /**
- * write 16bit samples to the file.
- * @param e the endianess of the data
- * (it will be swapped to little endian byte order if necessary)
- */
- void write( const char* data, int len, Endianess e = BigEndian );
-
- /**
- * returnes a filedescriptor with the already opened file
- * or -1 if isOpen() is false
- */
- int fd() const;
-
- private:
- void writeEmptyHeader();
- void updateHeader();
- void padTo2352();
-
- QFile m_outputFile;
- QDataStream m_outputStream;
- QString m_filename;
- };
-
- #endif
-