SoundTouch.h

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//
// Last changed  : $Date$
// File revision : $Revision$
//
// $Id$
//
//
// License :
//
//  SoundTouch audio processing library
//  Copyright (c) Olli Parviainen
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License, or (at your option) any later version.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

#ifndef SoundTouch_H
#define SoundTouch_H

#include "FIFOSamplePipe.h"
#include "STTypes.h"

namespace soundtouch
{

#define SOUNDTOUCH_VERSION          "1.3.1"

#define SOUNDTOUCH_VERSION_ID       010301

//
// Available setting IDs for the 'setSetting' & 'get_setting' functions:

#define SETTING_USE_AA_FILTER       0

#define SETTING_AA_FILTER_LENGTH    1

#define SETTING_USE_QUICKSEEK       2

#define SETTING_SEQUENCE_MS         3

#define SETTING_SEEKWINDOW_MS       4

#define SETTING_OVERLAP_MS          5


class SoundTouch : public FIFOProcessor
{
private:
    class RateTransposer *pRateTransposer;

    class TDStretch *pTDStretch;

    float virtualRate;

    float virtualTempo;

    float virtualPitch;

    BOOL  bSrateSet;

    void calcEffectiveRateAndTempo();

protected :
    uint  channels;

    float rate;

    float tempo;

public:
    SoundTouch();
    virtual ~SoundTouch();

    static const char *getVersionString();

    static uint getVersionId();

    void setRate(float newRate);

    void setTempo(float newTempo);

    void setRateChange(float newRate);

    void setTempoChange(float newTempo);

    void setPitch(float newPitch);

    void setPitchOctaves(float newPitch);

    void setPitchSemiTones(int newPitch);
    void setPitchSemiTones(float newPitch);

    void setChannels(uint numChannels);

    void setSampleRate(uint srate);

    //
    void flush();

    virtual void putSamples(
            const SAMPLETYPE *samples,              
            uint numSamples                         


            );

    virtual void clear();

    BOOL setSetting(uint settingId,   
                    uint value        
                    );

    uint getSetting(uint settingId    
                    ) const;

    virtual uint numUnprocessedSamples() const;


};

}
#endif

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