MP3Encoder.h

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/*************************************************************************
           MP3Encoder.h  -  export of MP3 data via "lame"
                             -------------------
    begin                : Sat May 19 2012
    copyright            : (C) 2012 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 MP3_ENCODER_H
#define MP3_ENCODER_H

#include "config.h"

#include <limits.h>

#include <QList>
#include <QMutex>
#include <QProcess>

#include "libkwave/Encoder.h"

#include "ID3_PropertyMap.h"

class ID3_Tag;
class QIODevice;
class QWidget;

namespace Kwave
{

    class MultiTrackReader;

    class MP3Encoder: public Kwave::Encoder
    {
        Q_OBJECT
    public:
        MP3Encoder();

        virtual ~MP3Encoder();

        virtual Kwave::Encoder *instance();

        virtual bool encode(QWidget *widget, Kwave::MultiTrackReader &src,
                            QIODevice &dst,
                            const Kwave::MetaDataList &meta_data);

        virtual QList<Kwave::FileProperty> supportedProperties();

    private slots:

        void dataAvailable();

    private:

        void encodeID3Tags(const Kwave::MetaDataList &meta_data,
                           ID3_Tag &tag);

    private:

        ID3_PropertyMap m_property_map;

        QMutex m_lock;

        QIODevice *m_dst;

        QProcess m_process;

        QString m_program;

        QStringList m_params;

        quint8 m_write_buffer[PIPE_BUF];

        char m_read_buffer[PIPE_BUF];

    };
}

#endif /* MP3_ENCODER_H */

//***************************************************************************
//***************************************************************************