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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2021, Red Hat
* Copyright (C) 2022, Ideas On Board
* Copyright (C) 2022, Theobroma Systems
*
* af_hill_climbing.cpp - AF Hill Climbing common algorithm
*/
#include "af_hill_climbing.h"
/**
* \file af_hill_climbing.h
* \brief AF Hill Climbing common algorithm
*/
namespace libcamera {
LOG_DEFINE_CATEGORY(Af)
namespace ipa::common::algorithms {
/**
* \class AfHillClimbing
* \brief The base class implementing hill climbing AF control algorithm
* \tparam Module The IPA module type for this class of algorithms
*
* Control part of auto focus algorithm. It calculates the lens position basing
* on contrast measure supplied by the higher level. This way it is independent
* from the platform.
*
* Derived class should call processAutofocus() for each measured contrast value
* and set the lens to the calculated position.
*/
/**
* \fn AfHillClimbing::setMode()
* \copydoc libcamera::ipa::common::algorithms::AfAlgorithm::setMode
*/
/**
* \fn AfHillClimbing::setRange()
* \copydoc libcamera::ipa::common::algorithms::AfAlgorithm::setRange
*/
/**
* \fn AfHillClimbing::setSpeed()
* \copydoc libcamera::ipa::common::algorithms::AfAlgorithm::setSpeed
*/
/**
* \fn AfHillClimbing::setMetering()
* \copydoc libcamera::ipa::common::algorithms::AfAlgorithm::setMetering
*/
/**
* \fn AfHillClimbing::setWindows()
* \copydoc libcamera::ipa::common::algorithms::AfAlgorithm::setWindows
*/
/**
* \fn AfHillClimbing::setTrigger()
* \copydoc libcamera::ipa::common::algorithms::AfAlgorithm::setTrigger
*/
/**
* \fn AfHillClimbing::setPause()
* \copydoc libcamera::ipa::common::algorithms::AfAlgorithm::setPause
*/
/**
* \fn AfHillClimbing::setLensPosition()
* \copydoc libcamera::ipa::common::algorithms::AfAlgorithm::setLensPosition
*/
/**
* \fn AfHillClimbing::processAutofocus()
* \brief Run the auto focus algorithm loop
* \param[in] currentContrast New value of contrast measured for current frame
*
* This method should be called for each new contrast value that was measured,
* usually in the process() method.
*
* \return New lens position calculated by AF algorithm
*/
} /* namespace ipa::common::algorithms */
} /* namespace libcamera */
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