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/*
*
* $Id: k3bwavefilewriter.h 619556 2007-01-03 17:38:12Z trueg $
* Copyright (C) 2003 Sebastian Trueg <[email protected]>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
*
* 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
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