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Diffstat (limited to 'src/ipa/rkisp1/algorithms/cproc.cpp')
-rw-r--r-- | src/ipa/rkisp1/algorithms/cproc.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/ipa/rkisp1/algorithms/cproc.cpp b/src/ipa/rkisp1/algorithms/cproc.cpp new file mode 100644 index 00000000..eaa56c37 --- /dev/null +++ b/src/ipa/rkisp1/algorithms/cproc.cpp @@ -0,0 +1,111 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2021-2022, Ideas On Board + * + * cproc.cpp - RkISP1 Color Processing control + */ + +#include "cproc.h" + +#include <algorithm> +#include <cmath> + +#include <libcamera/base/log.h> + +#include <libcamera/control_ids.h> + +/** + * \file cproc.h + */ + +namespace libcamera { + +namespace ipa::rkisp1::algorithms { + +/** + * \class ColorProcessing + * \brief RkISP1 Color Processing control + * + * The ColorProcessing algorithm is responsible for applying brightness, + * contrast and saturation corrections. The values are directly provided + * through requests by the corresponding controls. + */ + +LOG_DEFINE_CATEGORY(RkISP1CProc) + +/** + * \copydoc libcamera::ipa::Algorithm::queueRequest + */ +void ColorProcessing::queueRequest(IPAContext &context, + [[maybe_unused]] const uint32_t frame, + IPAFrameContext &frameContext, + const ControlList &controls) +{ + auto &cproc = context.activeState.cproc; + bool update = false; + + const auto &brightness = controls.get(controls::Brightness); + if (brightness) { + int value = std::clamp<int>(std::lround(*brightness * 128), -128, 127); + if (cproc.brightness != value) { + cproc.brightness = value; + update = true; + } + + LOG(RkISP1CProc, Debug) << "Set brightness to " << value; + } + + const auto &contrast = controls.get(controls::Contrast); + if (contrast) { + int value = std::clamp<int>(std::lround(*contrast * 128), 0, 255); + if (cproc.contrast != value) { + cproc.contrast = value; + update = true; + } + + LOG(RkISP1CProc, Debug) << "Set contrast to " << value; + } + + const auto saturation = controls.get(controls::Saturation); + if (saturation) { + int value = std::clamp<int>(std::lround(*saturation * 128), 0, 255); + if (cproc.saturation != value) { + cproc.saturation = value; + update = true; + } + + LOG(RkISP1CProc, Debug) << "Set saturation to " << value; + } + + frameContext.cproc.brightness = cproc.brightness; + frameContext.cproc.contrast = cproc.contrast; + frameContext.cproc.saturation = cproc.saturation; + frameContext.cproc.update = update; +} + +/** + * \copydoc libcamera::ipa::Algorithm::prepare + */ +void ColorProcessing::prepare([[maybe_unused]] IPAContext &context, + [[maybe_unused]] const uint32_t frame, + IPAFrameContext &frameContext, + rkisp1_params_cfg *params) +{ + /* Check if the algorithm configuration has been updated. */ + if (!frameContext.cproc.update) + return; + + params->others.cproc_config.brightness = frameContext.cproc.brightness; + params->others.cproc_config.contrast = frameContext.cproc.contrast; + params->others.cproc_config.sat = frameContext.cproc.saturation; + + params->module_en_update |= RKISP1_CIF_ISP_MODULE_CPROC; + params->module_ens |= RKISP1_CIF_ISP_MODULE_CPROC; + params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_CPROC; +} + +REGISTER_IPA_ALGORITHM(ColorProcessing, "ColorProcessing") + +} /* namespace ipa::rkisp1::algorithms */ + +} /* namespace libcamera */ |