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/*************************************************************************
AudiofileDecoder.h - import through libaudiofile
-------------------
begin : Tue May 28 2002
copyright : (C) 2002 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef AUDIOFILE_DECODER_H
#define AUDIOFILE_DECODER_H
#include "config.h"
#include "libkwave/Decoder.h"
class QIODevice;
class QWidget;
namespace Kwave
{
class VirtualAudioFile;
class AudiofileDecoder: public Kwave::Decoder
{
public:
/** Constructor */
AudiofileDecoder();
/** Destructor */
~AudiofileDecoder() override;
/** Returns a new instance of the decoder */
Kwave::Decoder *instance() override;
/**
* Opens the source and decodes the header information.
* @param widget a widget that can be used for displaying
* message boxes or dialogs
* @param source file or other source with a stream of bytes
* @return true if succeeded, false on errors
*/
bool open(QWidget *widget, QIODevice &source) override;
/**
* Decodes a stream of bytes into a MultiWriter
* @param widget a widget that can be used for displaying
* message boxes or dialogs
* @param dst MultiWriter that receives the audio data
* @return true if succeeded, false on errors
*/
virtual bool decode(QWidget *widget, Kwave::MultiWriter &dst)
override;
/**
* Closes the source.
*/
void close() override;
private:
/** source of the audio data */
QIODevice *m_source;
/** adapter for libaudiofile */
Kwave::VirtualAudioFile *m_src_adapter;
};
}
#endif /* AUDIOFILE_DECODER_H */
//***************************************************************************
//***************************************************************************
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