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libcamera: software_isp: Add focus control

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Signed-off-by: Vasiliy Doylov <nekocwd@mainlining.org>
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Vasiliy Doylov 2025-03-17 04:24:56 +03:00 • committed by Kitsune (Rebase Bot)
parent d733fea1cb
commit d0874c7a4a
10 changed files with 169 additions and 12 deletions
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71
src/ipa/simple/algorithms/af.cpp Normal file
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2025 Vasiliy Doylov <nekodevelopper@gmail.com>
*
* Auto focus
*/
#include "af.h"
#include <stdint.h>
#include <libcamera/base/log.h>
#include "control_ids.h"
namespace libcamera {
LOG_DEFINE_CATEGORY(IPASoftAutoFocus)
namespace ipa::soft::algorithms {
Af::Af()
{
}
int Af::init(IPAContext &context,
[[maybe_unused]] const YamlObject &tuningData)
{
context.ctrlMap[&controls::LensPosition] = ControlInfo(0.0f, 100.0f, 50.0f);
return 0;
}
int Af::configure(IPAContext &context,
[[maybe_unused]] const IPAConfigInfo &configInfo)
{
context.activeState.knobs.focus_pos = std::optional<double>();
return 0;
}
void Af::queueRequest([[maybe_unused]] typename Module::Context &context,
[[maybe_unused]] const uint32_t frame,
[[maybe_unused]] typename Module::FrameContext &frameContext,
const ControlList &controls)
{
const auto &focus_pos = controls.get(controls::LensPosition);
if (focus_pos.has_value()) {
context.activeState.knobs.focus_pos = focus_pos;
LOG(IPASoftAutoFocus, Debug) << "Setting focus position to " << focus_pos.value();
}
}
void Af::updateFocus([[maybe_unused]] IPAContext &context, [[maybe_unused]] IPAFrameContext &frameContext, [[maybe_unused]] double exposureMSV)
{
frameContext.lens.focus_pos = context.activeState.knobs.focus_pos.value_or(50.0) / 100.0 * (context.configuration.focus.focus_max - context.configuration.focus.focus_min);
}
void Af::process([[maybe_unused]] IPAContext &context,
[[maybe_unused]] const uint32_t frame,
[[maybe_unused]] IPAFrameContext &frameContext,
[[maybe_unused]] const SwIspStats *stats,
[[maybe_unused]] ControlList &metadata)
{
updateFocus(context, frameContext, 0);
}
REGISTER_IPA_ALGORITHM(Af, "Af")
} /* namespace ipa::soft::algorithms */
} /* namespace libcamera */