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-rw-r--r--src/ipa/rkisp1/algorithms/blc.cpp28
-rw-r--r--src/ipa/rkisp1/algorithms/blc.h5
-rw-r--r--src/ipa/rkisp1/data/uncalibrated.yaml1
3 files changed, 33 insertions, 1 deletions
diff --git a/src/ipa/rkisp1/algorithms/blc.cpp b/src/ipa/rkisp1/algorithms/blc.cpp
index b17b549c..03ec57f2 100644
--- a/src/ipa/rkisp1/algorithms/blc.cpp
+++ b/src/ipa/rkisp1/algorithms/blc.cpp
@@ -9,6 +9,8 @@
#include <libcamera/base/log.h>
+#include <libcamera/control_ids.h>
+
#include "libcamera/internal/yaml_parser.h"
/**
@@ -38,6 +40,13 @@ LOG_DEFINE_CATEGORY(RkISP1Blc)
BlackLevelCorrection::BlackLevelCorrection()
: tuningParameters_(false)
{
+ /*
+ * This is a bit of a hack. In raw mode no black level correction
+ * happens. This flag is used to ensure the metadata gets populated with
+ * the black level which is needed to capture proper raw images for
+ * tuning.
+ */
+ supportsRaw_ = true;
}
/**
@@ -107,6 +116,9 @@ void BlackLevelCorrection::prepare([[maybe_unused]] IPAContext &context,
[[maybe_unused]] IPAFrameContext &frameContext,
rkisp1_params_cfg *params)
{
+ if (context.configuration.raw)
+ return;
+
if (frame > 0)
return;
@@ -125,6 +137,22 @@ void BlackLevelCorrection::prepare([[maybe_unused]] IPAContext &context,
params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_BLS;
}
+/**
+ * \copydoc libcamera::ipa::Algorithm::process
+ */
+void BlackLevelCorrection::process([[maybe_unused]] IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
+ [[maybe_unused]] const rkisp1_stat_buffer *stats,
+ ControlList &metadata)
+{
+ metadata.set(controls::SensorBlackLevels,
+ { static_cast<int32_t>(blackLevelRed_),
+ static_cast<int32_t>(blackLevelGreenR_),
+ static_cast<int32_t>(blackLevelGreenB_),
+ static_cast<int32_t>(blackLevelBlue_) });
+}
+
REGISTER_IPA_ALGORITHM(BlackLevelCorrection, "BlackLevelCorrection")
} /* namespace ipa::rkisp1::algorithms */
diff --git a/src/ipa/rkisp1/algorithms/blc.h b/src/ipa/rkisp1/algorithms/blc.h
index 460ebcc1..4ecac233 100644
--- a/src/ipa/rkisp1/algorithms/blc.h
+++ b/src/ipa/rkisp1/algorithms/blc.h
@@ -23,7 +23,10 @@ public:
void prepare(IPAContext &context, const uint32_t frame,
IPAFrameContext &frameContext,
rkisp1_params_cfg *params) override;
-
+ void process(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const rkisp1_stat_buffer *stats,
+ ControlList &metadata) override;
private:
bool tuningParameters_;
int16_t blackLevelRed_;
diff --git a/src/ipa/rkisp1/data/uncalibrated.yaml b/src/ipa/rkisp1/data/uncalibrated.yaml
index a7bbd8d8..60901296 100644
--- a/src/ipa/rkisp1/data/uncalibrated.yaml
+++ b/src/ipa/rkisp1/data/uncalibrated.yaml
@@ -5,4 +5,5 @@ version: 1
algorithms:
- Agc:
- Awb:
+ - BlackLevelCorrection:
...