/usr/include/SndObj/Pitch.h is in libsndobj-dev 2.6.7+ds1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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////////////////////////////////////////////////////////////////////////
// This file is part of the SndObj library
//
// 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.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Copyright (c)Victor Lazzarini, 1997-2004
// See License.txt for a disclaimer of all warranties
// and licensing information
//************************************************************//
// Pitch.h: interface of the Pitch class //
// //
// //
// //
//************************************************************//
#ifndef _PITCH_H
#define _PITCH_H
#include "DelayLine.h"
class Pitch : public DelayLine
{
protected:
float* sintab;
float m_pointer1;
float m_pointer3;
float m_pitch;
float m_incr;
public:
Pitch();
Pitch(float delaytime, SndObj* InObj,
float pitch = 1.f, int vecsize=DEF_VECSIZE, float sr=DEF_SR);
Pitch(float delaytime, SndObj* InObj, int semitones = 0,
int vecsize=DEF_VECSIZE, float sr=DEF_SR);
~Pitch();
void SetPitch(float pitch){ m_pitch = pitch; }
void SetPitch(int semitones){
m_pitch = (float) pow(2., semitones/12.);
}
int Set(char* mess, float value);
short DoProcess();
};
#endif
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