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