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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2019-2021, Raspberry Pi Ltd
*
* device_status.h - device (image sensor) status
*/
#pragma once
#include <iostream>
#include <optional>
#include <libcamera/base/utils.h>
/*
* Definition of "device metadata" which stores things like shutter time and
* analogue gain that downstream control algorithms will want to know.
*/
struct DeviceStatus {
DeviceStatus()
: shutterSpeed(std::chrono::seconds(0)), frameLength(0),
lineLength(std::chrono::seconds(0)), analogueGain(0.0)
{
}
friend std::ostream &operator<<(std::ostream &out, const DeviceStatus &d);
/* time shutter is open */
libcamera::utils::Duration shutterSpeed;
/* frame length given in number of lines */
uint32_t frameLength;
/* line length for the current frame */
libcamera::utils::Duration lineLength;
double analogueGain;
/* 1.0/distance-in-metres */
std::optional<double> lensPosition;
/* 1/f so that brightness quadruples when this doubles */
std::optional<double> aperture;
/* proportional to brightness with 0 = no flash, 1 = maximum flash */
std::optional<double> flashIntensity;
/* Sensor reported temperature value (in degrees) */
std::optional<double> sensorTemperature;
};
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