62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/*
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* Chromaprint -- Audio fingerprinting toolkit
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* Copyright (C) 2010 Lukas Lalinsky <lalinsky@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#ifndef CHROMAPRINT_CLASSIFIER_H_
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#define CHROMAPRINT_CLASSIFIER_H_
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#include <ostream>
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#include "quantizer.h"
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#include "filter.h"
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#include "integral_image.h"
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namespace Chromaprint
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{
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class Classifier
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{
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public:
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Classifier(const Filter &filter = Filter(), const Quantizer &quantizer = Quantizer())
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: m_filter(filter), m_quantizer(quantizer)
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{
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}
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int Classify(IntegralImage *image, int offset) const
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{
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double value = m_filter.Apply(image, offset);
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return m_quantizer.Quantize(value);
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}
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const Filter &filter() const { return m_filter; }
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const Quantizer &quantizer() const { return m_quantizer; }
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private:
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Filter m_filter;
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Quantizer m_quantizer;
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};
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inline std::ostream &operator<<(std::ostream &stream, const Classifier &q)
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{
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stream << "Classifier(" << q.filter() << ", " << q.quantizer() << ")";
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return stream;
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}
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};
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#endif
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