view audio/PlaySpeedRangeMapper.h @ 716:604393795ee5

If no local filename (e.g. when decoded to memory), get the local filename from the file source (e.g. cached version of encoded file)
author Chris Cannam
date Tue, 29 Oct 2019 12:47:44 +0000
parents 26a0cb8335e3
children
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 QMUL.
    
    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.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef SV_PLAY_SPEED_RANGE_MAPPER_H
#define SV_PLAY_SPEED_RANGE_MAPPER_H

#include "base/RangeMapper.h"

class PlaySpeedRangeMapper : public RangeMapper
{
public:
    PlaySpeedRangeMapper();

    int getMinPosition() const { return m_minpos; }
    int getMaxPosition() const { return m_maxpos; }
    
    int getPositionForValue(double value) const override;
    int getPositionForValueUnclamped(double value) const override;

    double getValueForPosition(int position) const override;
    double getValueForPositionUnclamped(int position) const override;

    int getPositionForFactor(double factor) const;
    double getValueForFactor(double factor) const;

    double getFactorForPosition(int position) const;
    double getFactorForValue(double value) const;

    QString getUnit() const override;
    
protected:
    int m_minpos;
    int m_maxpos;
};


#endif