60 lines
1.6 KiB
C++
60 lines
1.6 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_FINGERPRINT_COMPRESSOR_H_
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#define CHROMAPRINT_FINGERPRINT_COMPRESSOR_H_
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#include <stdint.h>
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#include <vector>
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#include <string>
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namespace Chromaprint
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{
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class Classifier;
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class Image;
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class IntegralImage;
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class FingerprintCompressor
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{
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public:
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FingerprintCompressor();
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std::string Compress(const std::vector<int32_t> &fingerprint, int algorithm = 0);
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private:
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void WriteNormalBits();
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void WriteExceptionBits();
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void ProcessSubfingerprint(uint32_t);
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std::string m_result;
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std::vector<char> m_bits;
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};
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inline std::string CompressFingerprint(const std::vector<int32_t> &data, int algorithm = 0)
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{
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FingerprintCompressor compressor;
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return compressor.Compress(data, algorithm);
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}
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};
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#endif
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