OggDecoder.h

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/*************************************************************************
          OggDecoder.h  -  decoder for Ogg/Vorbis data
                             -------------------
    begin                : Tue Sep 10 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 OGG_DECODER_H
#define OGG_DECODER_H

#include "config.h"

#include <ogg/ogg.h>

#include "libkwave/Decoder.h"
#include "libkwave/FileInfo.h"

namespace Kwave
{
    class OggSubDecoder;

    class OggDecoder: public Kwave::Decoder
    {
    public:
        OggDecoder();

        virtual ~OggDecoder() Q_DECL_OVERRIDE;

        virtual Kwave::Decoder *instance() Q_DECL_OVERRIDE;

        virtual bool open(QWidget *widget, QIODevice &source) Q_DECL_OVERRIDE;

        virtual bool decode(QWidget *widget, Kwave::MultiWriter &dst)
            Q_DECL_OVERRIDE;

        virtual void close() Q_DECL_OVERRIDE;

    protected:

        int parseHeader(QWidget *widget);

    private:

        Kwave::OggSubDecoder *m_sub_decoder;

        QIODevice *m_source;

        ogg_sync_state m_oy;

        ogg_stream_state m_os;

        ogg_page m_og;

        ogg_packet m_op;

    };
}

#endif /* OGG_DECODER_H */

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