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