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/*
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 "artsmodulessynth.h"
#include "stdsynthmodule.h"
using namespace Arts;
// A brickwall limiter is used to protect equipment (and your ears..)
// from peaks that exceed the dynamic range of your system. It doesn't
// sound good but it's better than digital distortion.
class Synth_BRICKWALL_LIMITER_impl : virtual public Synth_BRICKWALL_LIMITER_skel,
virtual public StdSynthModule
{
public:
void calculateBlock(unsigned long samples)
{
unsigned long i;
for(i=0; i<samples; i++)
{
if (invalue[i] > 1.0)
outvalue[i] = 1.0;
else if (invalue[i] < -1.0)
outvalue[i] = -1.0;
else
outvalue[i] = invalue[i];
}
}
};
REGISTER_IMPLEMENTATION(Synth_BRICKWALL_LIMITER_impl);
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