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ipa: rkisp1: Add support of Black Level Correction tuning

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Get the Black Level Correction algorithm parameters from YAML tuning
data.

Signed-off-by: Florian Sylvestre <fsylvestre@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Florian Sylvestre 2022-06-17 11:23:15 +02:00 • committed by Laurent Pinchart
parent e7ec7d4de1
commit 3fa79cc688
2 changed files with 50 additions and 9 deletions
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49
src/ipa/rkisp1/algorithms/blc.cpp
View file

@ -7,6 +7,10 @@
#include "blc.h"
#include <libcamera/base/log.h>
#include "libcamera/internal/yaml_parser.h"
/**
* \file blc.h
*/
@ -29,6 +33,35 @@ namespace ipa::rkisp1::algorithms {
* isn't currently supported.
*/
LOG_DEFINE_CATEGORY(RkISP1Blc)
BlackLevelCorrection::BlackLevelCorrection()
: tuningParameters_(false)
{
}
/**
* \copydoc libcamera::ipa::Algorithm::init
*/
int BlackLevelCorrection::init([[maybe_unused]] IPAContext &context,
const YamlObject &tuningData)
{
blackLevelRed_ = tuningData["R"].get<int16_t>(256);
blackLevelGreenR_ = tuningData["Gr"].get<int16_t>(256);
blackLevelGreenB_ = tuningData["Gb"].get<int16_t>(256);
blackLevelBlue_ = tuningData["B"].get<int16_t>(256);
tuningParameters_ = true;
LOG(RkISP1Blc, Debug)
<< "Black levels: red " << blackLevelRed_
<< ", green (red) " << blackLevelGreenR_
<< ", green (blue) " << blackLevelGreenB_
<< ", blue " << blackLevelBlue_;
return 0;
}
/**
* \copydoc libcamera::ipa::Algorithm::prepare
*/
@ -37,15 +70,15 @@ void BlackLevelCorrection::prepare(IPAContext &context,
{
if (context.frameContext.frameCount > 0)
return;
/*
* Substract fixed values taken from imx219 tuning file.
* \todo Use a configuration file for it ?
*/
if (!tuningParameters_)
return;
params->others.bls_config.enable_auto = 0;
params->others.bls_config.fixed_val.r = 256;
params->others.bls_config.fixed_val.gr = 256;
params->others.bls_config.fixed_val.gb = 256;
params->others.bls_config.fixed_val.b = 256;
params->others.bls_config.fixed_val.r = blackLevelRed_;
params->others.bls_config.fixed_val.gr = blackLevelGreenR_;
params->others.bls_config.fixed_val.gb = blackLevelGreenB_;
params->others.bls_config.fixed_val.b = blackLevelBlue_;
params->module_en_update |= RKISP1_CIF_ISP_MODULE_BLS;
params->module_ens |= RKISP1_CIF_ISP_MODULE_BLS;