You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.7 KiB
55 lines
1.7 KiB
/*
|
|
|
|
Copyright (C) 2000 Jeff Tranter
|
|
tranter@pobox.com
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <math.h>
|
|
#include "artsmodulessynth.h"
|
|
#include "stdsynthmodule.h"
|
|
|
|
using namespace Arts;
|
|
|
|
// This can be used to get the input signal to the normalized range
|
|
// between -1 and 1 that Synth_PLAY can process. The louder the input
|
|
// signal, the more the signal is distorted by this module. For very
|
|
// small input signals, the output signal is about the input signal
|
|
// (no change).
|
|
|
|
class Synth_ATAN_SATURATE_impl : virtual public Synth_ATAN_SATURATE_skel,
|
|
virtual public StdSynthModule
|
|
{
|
|
protected:
|
|
float _inscale;
|
|
|
|
public:
|
|
float inscale() { return _inscale; }
|
|
|
|
void inscale(float newInscale) { _inscale = newInscale; }
|
|
|
|
void calculateBlock(unsigned long samples)
|
|
{
|
|
for (unsigned long i=0; i<samples; i++)
|
|
outvalue[i] = atan(invalue[i]*_inscale)/(M_PI/2.0);
|
|
}
|
|
};
|
|
|
|
REGISTER_IMPLEMENTATION(Synth_ATAN_SATURATE_impl);
|