ipa: rkisp1: Move camHelper into IPAContext

To be able to query the black levels, the black level correction
algorithm needs access to the camera sensor helper. Allow this by moving
the camHelper_ member from IPARkISP1 into IPAContext.

Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

2 files changed, 18 insertions, 14 deletions

diff --git a/src/ipa/rkisp1/ipa_context.h b/src/ipa/rkisp1/ipa_context.h
index 8602b408..1d0e9030 100644
--- a/src/ipa/rkisp1/ipa_context.h
+++ b/src/ipa/rkisp1/ipa_context.h
@@ -8,6 +8,8 @@
 
 #pragma once
 
+#include <memory>
+
 #include <linux/rkisp1-config.h>
 
 #include <libcamera/base/utils.h>
@@ -16,6 +18,7 @@
 #include <libcamera/controls.h>
 #include <libcamera/geometry.h>
 
+#include <libipa/camera_sensor_helper.h>
 #include <libipa/fc_queue.h>
 #include <libipa/matrix.h>
 
@@ -178,6 +181,9 @@ struct IPAContext {
 	FCQueue<IPAFrameContext> frameContexts;
 
 	ControlInfoMap::Map ctrlMap;
+
+	/* Interface to the Camera Helper */
+	std::unique_ptr<CameraSensorHelper> camHelper;
 };
 
 } /* namespace ipa::rkisp1 */
diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
index d31cdbab..23e0826c 100644
--- a/src/ipa/rkisp1/rkisp1.cpp
+++ b/src/ipa/rkisp1/rkisp1.cpp
@@ -29,7 +29,6 @@
 #include "libcamera/internal/yaml_parser.h"
 
 #include "algorithms/algorithm.h"
-#include "libipa/camera_sensor_helper.h"
 
 #include "ipa_context.h"
 
@@ -81,9 +80,6 @@ private:
 
 	ControlInfoMap sensorControls_;
 
-	/* Interface to the Camera Helper */
-	std::unique_ptr<CameraSensorHelper> camHelper_;
-
 	/* Local parameter storage */
 	struct IPAContext context_;
 };
@@ -115,7 +111,7 @@ const ControlInfoMap::Map rkisp1Controls{
 } /* namespace */
 
 IPARkISP1::IPARkISP1()
-	: context_({ {}, {}, {}, { kMaxFrameContexts }, {} })
+	: context_({ {}, {}, {}, { kMaxFrameContexts }, {}, {} })
 {
 }
 
@@ -147,8 +143,8 @@ int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision,
 
 	LOG(IPARkISP1, Debug) << "Hardware revision is " << hwRevision;
 
-	camHelper_ = CameraSensorHelperFactoryBase::create(settings.sensorModel);
-	if (!camHelper_) {
+	context_.camHelper = CameraSensorHelperFactoryBase::create(settings.sensorModel);
+	if (!context_.camHelper) {
 		LOG(IPARkISP1, Error)
 			<< "Failed to create camera sensor helper for "
 			<< settings.sensorModel;
@@ -250,8 +246,10 @@ int IPARkISP1::configure(const IPAConfigInfo &ipaConfig,
 		minExposure * context_.configuration.sensor.lineDuration;
 	context_.configuration.sensor.maxShutterSpeed =
 		maxExposure * context_.configuration.sensor.lineDuration;
-	context_.configuration.sensor.minAnalogueGain = camHelper_->gain(minGain);
-	context_.configuration.sensor.maxAnalogueGain = camHelper_->gain(maxGain);
+	context_.configuration.sensor.minAnalogueGain =
+		context_.camHelper->gain(minGain);
+	context_.configuration.sensor.maxAnalogueGain =
+		context_.camHelper->gain(maxGain);
 
 	context_.configuration.raw = std::any_of(streamConfig.begin(), streamConfig.end(),
 		[](auto &cfg) -> bool {
@@ -352,7 +350,7 @@ void IPARkISP1::processStatsBuffer(const uint32_t frame, const uint32_t bufferId
 	frameContext.sensor.exposure =
 		sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>();
 	frameContext.sensor.gain =
-		camHelper_->gain(sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>());
+		context_.camHelper->gain(sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>());
 
 	ControlList metadata(controls::controls);
 
@@ -389,9 +387,9 @@ void IPARkISP1::updateControls(const IPACameraSensorInfo &sensorInfo,
 
 	/* Compute the analogue gain limits. */
 	const ControlInfo &v4l2Gain = sensorControls.find(V4L2_CID_ANALOGUE_GAIN)->second;
-	float minGain = camHelper_->gain(v4l2Gain.min().get<int32_t>());
-	float maxGain = camHelper_->gain(v4l2Gain.max().get<int32_t>());
-	float defGain = camHelper_->gain(v4l2Gain.def().get<int32_t>());
+	float minGain = context_.camHelper->gain(v4l2Gain.min().get<int32_t>());
+	float maxGain = context_.camHelper->gain(v4l2Gain.max().get<int32_t>());
+	float defGain = context_.camHelper->gain(v4l2Gain.def().get<int32_t>());
 	ctrlMap.emplace(std::piecewise_construct,
 			std::forward_as_tuple(&controls::AnalogueGain),
 			std::forward_as_tuple(minGain, maxGain, defGain));
@@ -436,7 +434,7 @@ void IPARkISP1::setControls(unsigned int frame)
 
 	IPAFrameContext &frameContext = context_.frameContexts.get(frame);
 	uint32_t exposure = frameContext.agc.exposure;
-	uint32_t gain = camHelper_->gainCode(frameContext.agc.gain);
+	uint32_t gain = context_.camHelper->gainCode(frameContext.agc.gain);
 
 	ControlList ctrls(sensorControls_);
 	ctrls.set(V4L2_CID_EXPOSURE, static_cast<int32_t>(exposure));