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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2019, Raspberry Pi Ltd
*
* agc_status.h - AGC/AEC control algorithm status
*/
#pragma once
#include <string>
#include <libcamera/base/utils.h>
#include "hdr_status.h"
/*
* The AGC algorithm process method should post an AgcStatus into the image
* metadata under the tag "agc.status".
* The AGC algorithm prepare method should post an AgcPrepareStatus instead
* under "agc.prepare_status".
*/
/*
* Note: total_exposure_value will be reported as zero until the algorithm has
* seen statistics and calculated meaningful values. The contents should be
* ignored until then.
*/
struct AgcStatus {
libcamera::utils::Duration totalExposureValue; /* value for all exposure and gain for this image */
libcamera::utils::Duration targetExposureValue; /* (unfiltered) target total exposure AGC is aiming for */
libcamera::utils::Duration shutterTime;
double analogueGain;
std::string exposureMode;
std::string constraintMode;
std::string meteringMode;
double ev;
libcamera::utils::Duration flickerPeriod;
int floatingRegionEnable;
libcamera::utils::Duration fixedShutter;
double fixedAnalogueGain;
unsigned int channel;
HdrStatus hdr;
};
struct AgcPrepareStatus {
double digitalGain;
int locked;
};
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