Naushir Patuck
8acfb8494c
Switch the aperture, lens_position, and flash_intensity fields in the DeviceStatus structure to use std::optional instead of using invalid default values. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (C) 2019-2021, Raspberry Pi (Trading) Limited
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*
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* device_status.h - device (image sensor) status
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*/
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#pragma once
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#include <iostream>
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#include <optional>
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#include <libcamera/base/utils.h>
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/*
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* Definition of "device metadata" which stores things like shutter time and
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* analogue gain that downstream control algorithms will want to know.
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*/
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struct DeviceStatus {
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DeviceStatus()
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: shutter_speed(std::chrono::seconds(0)), frame_length(0),
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analogue_gain(0.0)
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{
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}
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friend std::ostream &operator<<(std::ostream &out, const DeviceStatus &d);
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/* time shutter is open */
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libcamera::utils::Duration shutter_speed;
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/* frame length given in number of lines */
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uint32_t frame_length;
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double analogue_gain;
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/* 1.0/distance-in-metres, or 0 if unknown */
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std::optional<double> lens_position;
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/* 1/f so that brightness quadruples when this doubles, or 0 if unknown */
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std::optional<double> aperture;
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/* proportional to brightness with 0 = no flash, 1 = maximum flash */
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std::optional<double> flash_intensity;
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/* Sensor reported temperature value (in degrees) */
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std::optional<double> sensor_temperature;
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};
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