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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2020, Raspberry Pi Ltd
*
* focus.cpp - focus algorithm
*/
#include <stdint.h>
#include <libcamera/base/log.h>
#include "../focus_status.h"
#include "focus.h"
using namespace RPiController;
using namespace libcamera;
LOG_DEFINE_CATEGORY(RPiFocus)
#define NAME "rpi.focus"
Focus::Focus(Controller *controller)
: Algorithm(controller)
{
}
char const *Focus::name() const
{
return NAME;
}
void Focus::process(StatisticsPtr &stats, Metadata *imageMetadata)
{
FocusStatus status;
unsigned int i;
for (i = 0; i < FOCUS_REGIONS; i++)
status.focusMeasures[i] = stats->focus_stats[i].contrast_val[1][1] / 1000;
status.num = i;
imageMetadata->set("focus.status", status);
LOG(RPiFocus, Debug)
<< "Focus contrast measure: "
<< (status.focusMeasures[5] + status.focusMeasures[6]) / 10;
}
/* Register algorithm with the system. */
static Algorithm *create(Controller *controller)
{
return new Focus(controller);
}
static RegisterAlgorithm reg(NAME, &create);
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