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84 lines
2.0 KiB
C++
84 lines
2.0 KiB
C++
/*
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* Bitcrush.h - A native bitcrusher
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*
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* Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
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* Copyright (c) 2006-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef BITCRUSH_H
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#define BITCRUSH_H
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#include "Effect.h"
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#include "BitcrushControls.h"
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#include "ValueBuffer.h"
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#include "lmms_math.h"
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#include "BasicFilters.h"
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class BitcrushEffect : public Effect
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{
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public:
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BitcrushEffect( Model* parent, const Descriptor::SubPluginFeatures::Key* key );
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virtual ~BitcrushEffect();
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virtual bool processAudioBuffer( sampleFrame* buf, const fpp_t frames );
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virtual EffectControls* controls()
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{
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return &m_controls;
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}
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private:
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void sampleRateChanged();
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float depthCrush( float in );
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float noise( float amt );
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BitcrushControls m_controls;
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sampleFrame * m_buffer;
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float m_sampleRate;
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StereoLinkwitzRiley m_filter;
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float m_bitCounterL;
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float m_rateCoeffL;
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float m_bitCounterR;
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float m_rateCoeffR;
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bool m_rateEnabled;
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float m_left;
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float m_right;
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int m_levels;
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float m_levelsRatio;
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bool m_depthEnabled;
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float m_inGain;
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float m_outGain;
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float m_outClip;
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bool m_needsUpdate;
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int m_silenceCounter;
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friend class BitcrushControls;
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};
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#endif
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