#ifndef DEFLICKER_HH

#define DEFLICKER_HH

#include "FrameSource.hh"

#include <memory>

#include <span>

namespace openmsx {

class RawFrame;

class Deflicker final : public FrameSource

{

public:

	explicit Deflicker(std::span<std::unique_ptr<RawFrame>, 4> lastFrames);

	Deflicker(const Deflicker&) = default;

	Deflicker(Deflicker&&) = default;

	Deflicker& operator=(const Deflicker&) = default;

	Deflicker& operator=(Deflicker&&) = default;

	~Deflicker() = default;

	void init();

	[[nodiscard]] unsigned getLineWidth(unsigned line) const override;

	[[nodiscard]] std::span<const Pixel> getUnscaledLine(

		unsigned line, std::span<Pixel> helpBuf) const override;

private:

	std::span<std::unique_ptr<RawFrame>, 4> lastFrames;

};

} // namespace openmsx

#endif