z-bar-qt/Plugins/ZShell/Services/cavaprovider.hpp

#pragma once

#include "audioprovider.hpp"
#include <cava/cavacore.h>
#include <qqmlintegration.h>

namespace ZShell::services {

class CavaProcessor : public AudioProcessor {
	Q_OBJECT

	public:
	explicit CavaProcessor(QObject* parent = nullptr);
	~CavaProcessor() override;

	void setBars(int bars);

	signals:
	void valuesChanged(QVector<double> values);

	protected:
	void process() override;

	private:
	struct cava_plan* m_plan;
	double* m_in;
	double* m_out;

	int m_bars;
	QVector<double> m_values;

	void reload();
	void initCava();
	void cleanup();
};

class CavaProvider : public AudioProvider {
	Q_OBJECT
	QML_ELEMENT

	Q_PROPERTY(int bars READ bars WRITE setBars NOTIFY barsChanged)

	Q_PROPERTY(QVector<double> values READ values NOTIFY valuesChanged)

	public:
	explicit CavaProvider(QObject* parent = nullptr);

	[[nodiscard]] int bars() const;
	void setBars(int bars);

	[[nodiscard]] QVector<double> values() const;

	signals:
	void barsChanged();
	void valuesChanged();

	private:
	int m_bars;
	QVector<double> m_values;

	void updateValues(QVector<double> values);
};

} // namespace ZShell::services