/usr/include/SndObj/Ptrack.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
//
#ifndef _PTRACK_H
#define _PTRACK_H
#include "SndObj.h"
#define NPREV 20
struct Peak
{
float pfreq;
float pwidth;
float ppow;
float ploudness;
};
struct Histopeak
{
float hpitch;
float hvalue;
float hloud;
int hindex;
int hused;
};
class Ptrack : public SndObj
{
protected:
float *sig, *prev, *sinus, *spec, *spectmp;
Peak *peakarray;
int numpks;
int cnt;
int histcnt;
int hop;
float sr;
float cps;
float dbs[NPREV];
float amplo;
float amphi;
float npartial;
float dbfs;
int vecsize;
float m_scale;
void pitchtrack();
public:
SndObj *pitch, *amp;
Ptrack();
Ptrack(SndObj *in, int siz=1024, int peak=10, float scale=1.0,
int vecsize=DEF_VECSIZE, float sr=DEF_SR);
~Ptrack();
void SetHopsize(int siz);
void SetPeaks(int peaks);
void SetScale(float scale) { m_scale = scale; }
short DoProcess();
};
#endif
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