jthedering
d68b958bc8
Fixed: The method BiQuad::gainAt was returning wrong values. As this method was only used for testing purposes, this change is not user-visible.
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
/*
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This file is part of EqualizerAPO, a system-wide equalizer.
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Copyright (C) 2014 Jonas Thedering
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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#include "IFilter.h"
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#pragma AVRT_VTABLES_BEGIN
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class IIRFilter : public IFilter
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{
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public:
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IIRFilter(const std::vector<double>& coefficients);
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virtual ~IIRFilter();
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virtual bool getInPlace() {return true;}
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virtual std::vector<std::wstring> initialize(float sampleRate, unsigned maxFrameCount, std::vector<std::wstring> channelNames);
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virtual void process(float** output, float** input, unsigned frameCount);
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private:
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unsigned order;
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double b0;
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double* a;
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double* b;
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unsigned channelCount;
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double* x;
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double* y;
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};
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#pragma AVRT_VTABLES_END
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