ReversePlugin.h

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/*************************************************************************
        ReversePlugin.h  -  reverses the current selection
                             -------------------
    begin                : Tue Jun 09 2009
    copyright            : (C) 2009 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 REVERSE_PLUGIN_H
#define REVERSE_PLUGIN_H

#include "config.h"

#include <QString>
#include <QStringList>

#include "libkwave/Plugin.h"
#include "libkwave/Sample.h"
#include "libkwave/SampleArray.h"

namespace Kwave
{
    class ReversePlugin: public Kwave::Plugin
    {
        Q_OBJECT

    public:

        ReversePlugin(QObject *parent, const QVariantList &args);

        virtual ~ReversePlugin() Q_DECL_OVERRIDE;

        virtual void run(QStringList params) Q_DECL_OVERRIDE;

    private slots:

        virtual void updateProgress(qreal progress) Q_DECL_OVERRIDE;

    private:

        typedef struct {
            sample_index_t m_first;      
            sample_index_t m_last;       
            unsigned int   m_block_size; 
        } SliceParams;

        void reverseSlice(unsigned int track,
                          Kwave::SampleReader *src_a,
                          Kwave::SampleReader *src_b,
                          const Kwave::ReversePlugin::SliceParams &params);

        void reverse(Kwave::SampleArray &buffer);

    };
}

#endif /* REVERSE_PLUGIN_H */

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