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