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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2022, Theobroma Systems
*
* af.h - RkISP1 AF hill climbing based control algorithm
*/
#pragma once
#include <linux/rkisp1-config.h>
#include "libipa/algorithms/af_hill_climbing.h"
#include "module.h"
namespace libcamera::ipa::rkisp1::algorithms {
class Af : public ipa::common::algorithms::AfHillClimbing<Module>
{
public:
Af() = default;
~Af() = default;
int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
void process(IPAContext &context, IPAFrameContext *frameCtx,
const rkisp1_stat_buffer *stats) override;
void setMetering(controls::AfMeteringEnum metering) override;
void setWindows(Span<const Rectangle> windows) override;
private:
void updateCurrentWindow(const Rectangle &window);
controls::AfMeteringEnum meteringMode_ = controls::AfMeteringAuto;
Rectangle currentWindow_;
Rectangle defaultWindow_;
Rectangle userWindow_;
bool updateAfwindow_ = false;
static constexpr uint32_t kFLensWaitFrames = 2;
static constexpr uint32_t kWindowWaitFrames = 1;
};
} /* namespace libcamera::ipa::rkisp1::algorithms */
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