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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2022, Theobroma Systems
*
* af.cpp - RkISP1 AF hill climbing based control algorithm
*/
#include "af.h"
/**
* \file af.h
*/
namespace libcamera::ipa::rkisp1::algorithms {
/**
* \class Af
* \brief AF control algorithm
*/
LOG_DEFINE_CATEGORY(RkISP1Af)
/**
* \copydoc libcamera::ipa::Algorithm::init
*/
int Af::init([[maybe_unused]] IPAContext &context, const YamlObject &tuningData)
{
waitFramesLens_ = tuningData["wait-frames-lens"].get<uint32_t>(1);
LOG(RkISP1Af, Debug) << "waitFramesLens_: " << waitFramesLens_;
return initBase(tuningData);
}
/**
* \copydoc libcamera::ipa::Algorithm::configure
*/
int Af::configure([[maybe_unused]] IPAContext &context,
[[maybe_unused]] const IPACameraSensorInfo &configInfo)
{
return 0;
}
/**
* \copydoc libcamera::ipa::Algorithm::queueRequest
*/
void Af::queueRequest([[maybe_unused]] IPAContext &context,
const uint32_t frame,
[[maybe_unused]] IPAFrameContext &frameContext,
const ControlList &controls)
{
queueRequestBase(frame, controls);
}
/**
* \copydoc libcamera::ipa::Algorithm::prepare
*/
void Af::prepare([[maybe_unused]] IPAContext &context,
[[maybe_unused]] const uint32_t frame,
[[maybe_unused]] IPAFrameContext &frameContext,
[[maybe_unused]] rkisp1_params_cfg *params)
{
}
/**
* \copydoc libcamera::ipa::Algorithm::process
*/
void Af::process(IPAContext &context, [[maybe_unused]] const uint32_t frame,
[[maybe_unused]] IPAFrameContext &frameContext,
const rkisp1_stat_buffer *stats,
[[maybe_unused]] ControlList &metadata)
{
uint32_t sharpness = stats->params.af.window[0].sum;
uint32_t luminance = stats->params.af.window[0].lum;
LOG(RkISP1Af, Debug) << "lensPosition: " << context.activeState.af.lensPosition
<< ", Sharpness: " << sharpness
<< ", Luminance: " << luminance;
uint32_t lensPosition = processAutofocus(sharpness);
if (lensPosition != context.activeState.af.lensPosition) {
context.activeState.af.lensPosition = lensPosition;
context.activeState.af.applyLensCtrls = true;
setFramesToSkip(waitFramesLens_);
}
}
void Af::setMeteringMode([[maybe_unused]] controls::AfMeteringEnum metering)
{
LOG(RkISP1Af, Error) << __FUNCTION__ << " not implemented!";
}
void Af::setWindows([[maybe_unused]] Span<const Rectangle> windows)
{
LOG(RkISP1Af, Error) << __FUNCTION__ << " not implemented!";
}
REGISTER_IPA_ALGORITHM(Af, "Af")
} /* namespace libcamera::ipa::rkisp1::algorithms */
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