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MicroMDAEPiano/DCBlock.h

46 lines
1.4 KiB

// From "git clone --recursive https://github.com/SpotlightKid/ykchorus.git"
/*
==============================================================================
This file is part of Tal-NoiseMaker by Patrick Kunz.
Copyright(c) 2005-2010 Patrick Kunz, TAL
Togu Audio Line, Inc.
http://kunz.corrupt.ch
This file may be licensed under the terms of of the
GNU General Public License Version 2 (the ``GPL'').
Software distributed under the License is distributed
on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
express or implied. See the GPL for the specific language
governing rights and limitations.
You should have received a copy of the GPL along with this
program. If not, go to http://www.gnu.org/licenses/gpl.html
or write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
==============================================================================
*/
#if !defined(__DCBlock_h)
#define __DCBlock_h
class DCBlock {
public:
float inputs, outputs, lastOutput;
DCBlock() {
lastOutput = inputs = outputs = 0.0f;
}
~DCBlock() {}
inline void tick(float *sample, float cutoff) {
outputs = *sample - inputs + (0.999f - cutoff * 0.4f) * outputs;
inputs = *sample;
lastOutput = outputs;
*sample = lastOutput;
}
};
#endif