69 lines
1.7 KiB
C++
69 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_CHROMA_H_
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#define CHROMAPRINT_CHROMA_H_
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#include <math.h>
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#include <vector>
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#include "utils.h"
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#include "fft_frame_consumer.h"
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#include "feature_vector_consumer.h"
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namespace Chromaprint
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{
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class Chroma : public FFTFrameConsumer
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{
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public:
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Chroma(int min_freq, int max_freq, int frame_size, int sample_rate, FeatureVectorConsumer *consumer);
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~Chroma();
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bool interpolate() const
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{
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return m_interpolate;
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}
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void set_interpolate(bool interpolate)
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{
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m_interpolate = interpolate;
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}
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void Reset();
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void Consume(const FFTFrame &frame);
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private:
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CHROMAPRINT_DISABLE_COPY(Chroma);
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void PrepareNotes(int min_freq, int max_freq, int frame_size, int sample_rate);
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bool m_interpolate;
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std::vector<char> m_notes;
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std::vector<double> m_notes_frac;
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int m_min_index;
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int m_max_index;
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std::vector<double> m_features;
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FeatureVectorConsumer *m_consumer;
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};
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};
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#endif
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