/usr/include/SndObj/Fir.h is in libsndobj-dev 2.6.6.1-3.
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
#ifndef _FIR_H
#define _FIR_H
#include "DelayLine.h"
#include "Table.h"
class FIR : public DelayLine {
protected:
Table* m_table;
bool m_newtable;
public:
int Connect(char* mess, void* input);
int Set(char* mess, float value);
FIR();
FIR(Table* coeftable, SndObj* input,
int vecsize=DEF_VECSIZE, float sr=DEF_SR);
FIR(float* impulse, int impulsesize, SndObj* input,
int vecsize=DEF_VECSIZE, float sr=DEF_SR);
~FIR();
void SetTable(Table* coeftable){ m_table = coeftable; m_newtable = false;
SetDelayTime(m_table->GetLen()/m_sr);}
void SetImpulse(float* impulse, int impulsesize);
void SetDelayTime(float dtime){
if(m_newtable) DelayLine::SetDelayTime(dtime);
else return;
}
short DoProcess();
};
#endif
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