src/ipa/raspberrypi/cam_helper_ov9281.cpp


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/* SPDX-License-Identifier: BSD-2-Clause */
/*
 * Copyright (C) 2021, Raspberry Pi (Trading) Limited
 *
 * cam_helper_ov9281.cpp - camera information for ov9281 sensor
 */

#include <assert.h>

#include "cam_helper.hpp"

using namespace RPiController;

class CamHelperOv9281 : public CamHelper
{
public:
	CamHelperOv9281();
	uint32_t GainCode(double gain) const override;
	double Gain(uint32_t gain_code) const override;
	void GetDelays(int &exposure_delay, int &gain_delay,
		       int &vblank_delay) const override;

private:
	/*
	 * Smallest difference between the frame length and integration time,
	 * in units of lines.
	 */
	static constexpr int frameIntegrationDiff = 4;
};