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#pragma once
#include "audioprovider.hpp"
#include <QObject>
#include <aubio/aubio.h>
#include <qqmlintegration.h>
namespace caelestia {
class BeatTracker : public AudioProvider {
Q_OBJECT
QML_ELEMENT
QML_SINGLETON
Q_PROPERTY(smpl_t bpm READ bpm NOTIFY bpmChanged)
public:
explicit BeatTracker(uint_t sampleRate = 44100, uint_t hopSize = 512, QObject* parent = nullptr);
~BeatTracker();
[[nodiscard]] smpl_t bpm() const;
signals:
void bpmChanged();
void beat(smpl_t bpm);
private:
aubio_tempo_t* m_tempo;
fvec_t* m_in;
fvec_t* m_out;
smpl_t m_bpm;
void processData() override;
void consumeData() override;
};
} // namespace caelestia
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