mirror of
https://github.com/clementine-player/Clementine
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79 lines
2.0 KiB
C++
79 lines
2.0 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_FINGERPRINTER_H_
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#define CHROMAPRINT_FINGERPRINTER_H_
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#include <stdint.h>
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#include <vector>
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#include "image.h"
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#include "audio_consumer.h"
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namespace Chromaprint
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{
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class ImageBuilder;
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class IntegralImage;
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class FFT;
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class Chroma;
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class ChromaNormalizer;
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class ChromaFilter;
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class AudioProcessor;
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class FingerprintCalculator;
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class FingerprinterConfiguration;
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class Fingerprinter : public AudioConsumer
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{
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public:
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Fingerprinter(FingerprinterConfiguration *config = 0);
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~Fingerprinter();
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/**
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* Initialize the fingerprinting process.
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*/
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bool Start(int sample_rate, int num_channels);
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/**
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* Process a block of raw audio data. Call this method as many times
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* as you need.
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*/
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void Consume(short *input, int length);
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/**
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* Calculate the fingerprint based on the provided audio data.
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*/
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std::vector<int32_t> Finish();
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private:
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Image m_image;
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ImageBuilder *m_image_builder;
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Chroma *m_chroma;
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ChromaNormalizer *m_chroma_normalizer;
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ChromaFilter *m_chroma_filter;
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FFT *m_fft;
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AudioProcessor *m_audio_processor;
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FingerprintCalculator *m_fingerprint_calculator;
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FingerprinterConfiguration *m_config;
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};
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};
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#endif
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