55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/*
|
|
* Chromaprint -- Audio fingerprinting toolkit
|
|
* Copyright (C) 2010 Lukas Lalinsky <lalinsky@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
|
|
* USA
|
|
*/
|
|
|
|
#ifndef CHROMAPRINT_CHROMA_FILTER_H_
|
|
#define CHROMAPRINT_CHROMA_FILTER_H_
|
|
|
|
#include <vector>
|
|
#include "feature_vector_consumer.h"
|
|
|
|
namespace Chromaprint
|
|
{
|
|
|
|
class ChromaFilter : public FeatureVectorConsumer
|
|
{
|
|
public:
|
|
ChromaFilter(const double *coefficients, int length, FeatureVectorConsumer *consumer);
|
|
~ChromaFilter();
|
|
|
|
void Reset();
|
|
void Consume(std::vector<double> &features);
|
|
|
|
FeatureVectorConsumer *consumer() { return m_consumer; }
|
|
void set_consumer(FeatureVectorConsumer *consumer) { m_consumer = consumer; }
|
|
|
|
private:
|
|
const double *m_coefficients;
|
|
int m_length;
|
|
std::vector< std::vector<double> > m_buffer;
|
|
std::vector<double> m_result;
|
|
int m_buffer_offset;
|
|
int m_buffer_size;
|
|
FeatureVectorConsumer *m_consumer;
|
|
};
|
|
|
|
};
|
|
|
|
#endif
|