54 lines
1.4 KiB
C++
54 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) 2015 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 <vector>
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struct FilterNode
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{
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double freq;
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double dbGain;
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FilterNode(double freq, double dbGain)
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{
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this->freq = freq;
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this->dbGain = dbGain;
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}
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bool operator<(FilterNode other)
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{
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return freq < other.freq;
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}
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};
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class GainIterator
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{
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public:
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GainIterator(const std::vector<FilterNode>& nodes);
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double gainAt(double freq);
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private:
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std::vector<FilterNode> nodes;
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FilterNode* nodeLeft;
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FilterNode* nodeRight;
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double logLeft;
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double logRightMinusLeft;
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};
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