ipa: raspberrypi: Replace Raspberry Pi debug with libcamera debug

This commit deals with all the "small" algorithms (that is, not
Agc/Awb/Alsc). A few unnecessary debug messages have also been
removed.

Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

src/ipa/raspberrypi/controller/rpi/black_level.cpp

@@ -8,12 +8,16 @@
 #include <math.h>
 #include <stdint.h>
 
+#include "libcamera/internal/log.h"
+
 #include "../black_level_status.h"
-#include "../logging.hpp"
 
 #include "black_level.hpp"
 
 using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiBlackLevel)
 
 #define NAME "rpi.black_level"
 
@@ -29,12 +33,15 @@ char const *BlackLevel::Name() const
 
 void BlackLevel::Read(boost::property_tree::ptree const &params)
 {
-	RPI_LOG(Name());
 	uint16_t black_level = params.get<uint16_t>(
 		"black_level", 4096); // 64 in 10 bits scaled to 16 bits
 	black_level_r_ = params.get<uint16_t>("black_level_r", black_level);
 	black_level_g_ = params.get<uint16_t>("black_level_g", black_level);
 	black_level_b_ = params.get<uint16_t>("black_level_b", black_level);
+	LOG(RPiBlackLevel, Debug)
+		<< " Read black levels red " << black_level_r_
+		<< " green " << black_level_g_
+		<< " blue " << black_level_b_;
 }
 
 void BlackLevel::Prepare(Metadata *image_metadata)

src/ipa/raspberrypi/controller/rpi/ccm.cpp

@@ -5,15 +5,19 @@
  * ccm.cpp - CCM (colour correction matrix) control algorithm
  */
 
+#include "libcamera/internal/log.h"
+
 #include "../awb_status.h"
 #include "../ccm_status.h"
-#include "../logging.hpp"
 #include "../lux_status.h"
 #include "../metadata.hpp"
 
 #include "ccm.hpp"
 
 using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiCcm)
 
 // This algorithm selects a CCM (Colour Correction Matrix) according to the
 // colour temperature estimated by AWB (interpolating between known matricies as
@@ -129,9 +133,9 @@ void Ccm::Prepare(Metadata *image_metadata)
 		lux_ok = get_locked(image_metadata, "lux.status", lux);
 	}
 	if (!awb_ok)
-		RPI_WARN("Ccm: no colour temperature found");
+		LOG(RPiCcm, Warning) << "no colour temperature found";
 	if (!lux_ok)
-		RPI_WARN("Ccm: no lux value found");
+		LOG(RPiCcm, Warning) << "no lux value found";
 	Matrix ccm = calculate_ccm(config_.ccms, awb.temperature_K);
 	double saturation = saturation_;
 	struct CcmStatus ccm_status;
@@ -144,13 +148,15 @@ void Ccm::Prepare(Metadata *image_metadata)
 		for (int i = 0; i < 3; i++)
 			ccm_status.matrix[j * 3 + i] =
 				std::max(-8.0, std::min(7.9999, ccm.m[j][i]));
-	RPI_LOG("CCM: colour temperature " << awb.temperature_K << "K");
-	RPI_LOG("CCM: " << ccm_status.matrix[0] << " " << ccm_status.matrix[1]
+	LOG(RPiCcm, Debug)
+		<< "colour temperature " << awb.temperature_K << "K";
+	LOG(RPiCcm, Debug)
+		<< "CCM: " << ccm_status.matrix[0] << " " << ccm_status.matrix[1]
 		<< " " << ccm_status.matrix[2] << "     "
 		<< ccm_status.matrix[3] << " " << ccm_status.matrix[4]
 		<< " " << ccm_status.matrix[5] << "     "
 		<< ccm_status.matrix[6] << " " << ccm_status.matrix[7]
-			<< " " << ccm_status.matrix[8]);
+		<< " " << ccm_status.matrix[8];
 	image_metadata->Set("ccm.status", ccm_status);
 }
 

src/ipa/raspberrypi/controller/rpi/contrast.cpp

@@ -6,12 +6,17 @@
  */
 #include <stdint.h>
 
+#include "libcamera/internal/log.h"
+
 #include "../contrast_status.h"
 #include "../histogram.hpp"
 
 #include "contrast.hpp"
 
 using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiContrast)
 
 // This is a very simple control algorithm which simply retrieves the results of
 // AGC and AWB via their "status" metadata, and applies digital gain to the
@@ -97,11 +102,13 @@ Pwl compute_stretch_curve(Histogram const &histogram,
 	double hist_lo = histogram.Quantile(config.lo_histogram) *
 			 (65536 / NUM_HISTOGRAM_BINS);
 	double level_lo = config.lo_level * 65536;
-	RPI_LOG("Move histogram point " << hist_lo << " to " << level_lo);
+	LOG(RPiContrast, Debug)
+		<< "Move histogram point " << hist_lo << " to " << level_lo;
 	hist_lo = std::max(
 		level_lo,
 		std::min(65535.0, std::min(hist_lo, level_lo + config.lo_max)));
-	RPI_LOG("Final values " << hist_lo << " -> " << level_lo);
+	LOG(RPiContrast, Debug)
+		<< "Final values " << hist_lo << " -> " << level_lo;
 	enhance.Append(hist_lo, level_lo);
 	// Keep the mid-point (median) in the same place, though, to limit the
 	// apparent amount of global brightness shift.
@@ -113,11 +120,13 @@ Pwl compute_stretch_curve(Histogram const &histogram,
 	double hist_hi = histogram.Quantile(config.hi_histogram) *
 			 (65536 / NUM_HISTOGRAM_BINS);
 	double level_hi = config.hi_level * 65536;
-	RPI_LOG("Move histogram point " << hist_hi << " to " << level_hi);
+	LOG(RPiContrast, Debug)
+		<< "Move histogram point " << hist_hi << " to " << level_hi;
 	hist_hi = std::min(
 		level_hi,
 		std::max(0.0, std::max(hist_hi, level_hi - config.hi_max)));
-	RPI_LOG("Final values " << hist_hi << " -> " << level_hi);
+	LOG(RPiContrast, Debug)
+		<< "Final values " << hist_hi << " -> " << level_hi;
 	enhance.Append(hist_hi, level_hi);
 	enhance.Append(65535, 65535);
 	return enhance;
@@ -127,7 +136,8 @@ Pwl apply_manual_contrast(Pwl const &gamma_curve, double brightness,
 			  double contrast)
 {
 	Pwl new_gamma_curve;
-	RPI_LOG("Manual brightness " << brightness << " contrast " << contrast);
+	LOG(RPiContrast, Debug)
+		<< "Manual brightness " << brightness << " contrast " << contrast;
 	gamma_curve.Map([&](double x, double y) {
 		new_gamma_curve.Append(
 			x, std::max(0.0, std::min(65535.0,

src/ipa/raspberrypi/controller/rpi/dpc.cpp

@@ -5,10 +5,14 @@
  * dpc.cpp - DPC (defective pixel correction) control algorithm
  */
 
-#include "../logging.hpp"
+#include "libcamera/internal/log.h"
+
 #include "dpc.hpp"
 
 using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiDpc)
 
 // We use the lux status so that we can apply stronger settings in darkness (if
 // necessary).
@@ -37,7 +41,7 @@ void Dpc::Prepare(Metadata *image_metadata)
 	DpcStatus dpc_status = {};
 	// Should we vary this with lux level or analogue gain? TBD.
 	dpc_status.strength = config_.strength;
-	RPI_LOG("Dpc: strength " << dpc_status.strength);
+	LOG(RPiDpc, Debug) << "strength " << dpc_status.strength;
 	image_metadata->Set("dpc.status", dpc_status);
 }
 

src/ipa/raspberrypi/controller/rpi/geq.cpp

@@ -5,14 +5,18 @@
  * geq.cpp - GEQ (green equalisation) control algorithm
  */
 
+#include "libcamera/internal/log.h"
+
 #include "../device_status.h"
-#include "../logging.hpp"
 #include "../lux_status.h"
 #include "../pwl.hpp"
 
 #include "geq.hpp"
 
 using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiGeq)
 
 // We use the lux status so that we can apply stronger settings in darkness (if
 // necessary).
@@ -44,11 +48,12 @@ void Geq::Prepare(Metadata *image_metadata)
 	LuxStatus lux_status = {};
 	lux_status.lux = 400;
 	if (image_metadata->Get("lux.status", lux_status))
-		RPI_WARN("Geq: no lux data found");
+		LOG(RPiGeq, Warning) << "no lux data found";
 	DeviceStatus device_status = {};
 	device_status.analogue_gain = 1.0; // in case not found
 	if (image_metadata->Get("device.status", device_status))
-		RPI_WARN("Geq: no device metadata - use analogue gain of 1x");
+		LOG(RPiGeq, Warning)
+			<< "no device metadata - use analogue gain of 1x";
 	GeqStatus geq_status = {};
 	double strength =
 		config_.strength.Empty()
@@ -60,10 +65,11 @@ void Geq::Prepare(Metadata *image_metadata)
 	double slope = config_.slope * strength;
 	geq_status.offset = std::min(65535.0, std::max(0.0, offset));
 	geq_status.slope = std::min(.99999, std::max(0.0, slope));
-	RPI_LOG("Geq: offset " << geq_status.offset << " slope "
+	LOG(RPiGeq, Debug)
+		<< "offset " << geq_status.offset << " slope "
 		<< geq_status.slope << " (analogue gain "
 		<< device_status.analogue_gain << " lux "
-			       << lux_status.lux << ")");
+		<< lux_status.lux << ")";
 	image_metadata->Set("geq.status", geq_status);
 }
 

src/ipa/raspberrypi/controller/rpi/lux.cpp

@@ -8,12 +8,16 @@
 
 #include "linux/bcm2835-isp.h"
 
+#include "libcamera/internal/log.h"
+
 #include "../device_status.h"
-#include "../logging.hpp"
 
 #include "lux.hpp"
 
 using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiLux)
 
 #define NAME "rpi.lux"
 
@@ -33,7 +37,6 @@ char const *Lux::Name() const
 
 void Lux::Read(boost::property_tree::ptree const &params)
 {
-	RPI_LOG(Name());
 	reference_shutter_speed_ =
 		params.get<double>("reference_shutter_speed");
 	reference_gain_ = params.get<double>("reference_gain");
@@ -84,7 +87,7 @@ void Lux::Process(StatisticsPtr &stats, Metadata *image_metadata)
 		LuxStatus status;
 		status.lux = estimated_lux;
 		status.aperture = current_aperture;
-		RPI_LOG(Name() << ": estimated lux " << estimated_lux);
+		LOG(RPiLux, Debug) << ": estimated lux " << estimated_lux;
 		{
 			std::unique_lock<std::mutex> lock(mutex_);
 			status_ = status;
@@ -93,7 +96,7 @@ void Lux::Process(StatisticsPtr &stats, Metadata *image_metadata)
 		// algorithms get the latest value.
 		image_metadata->Set("lux.status", status);
 	} else
-		RPI_WARN(Name() << ": no device metadata");
+		LOG(RPiLux, Warning) << ": no device metadata";
 }
 
 // Register algorithm with the system.

src/ipa/raspberrypi/controller/rpi/noise.cpp

@@ -7,13 +7,17 @@
 
 #include <math.h>
 
+#include "libcamera/internal/log.h"
+
 #include "../device_status.h"
-#include "../logging.hpp"
 #include "../noise_status.h"
 
 #include "noise.hpp"
 
 using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiNoise)
 
 #define NAME "rpi.noise"
 
@@ -37,7 +41,6 @@ void Noise::SwitchMode(CameraMode const &camera_mode,
 
 void Noise::Read(boost::property_tree::ptree const &params)
 {
-	RPI_LOG(Name());
 	reference_constant_ = params.get<double>("reference_constant");
 	reference_slope_ = params.get<double>("reference_slope");
 }
@@ -58,10 +61,11 @@ void Noise::Prepare(Metadata *image_metadata)
 		status.noise_constant = reference_constant_ * factor;
 		status.noise_slope = reference_slope_ * factor;
 		image_metadata->Set("noise.status", status);
-		RPI_LOG(Name() << ": constant " << status.noise_constant
-			       << " slope " << status.noise_slope);
+		LOG(RPiNoise, Debug)
+			<< "constant " << status.noise_constant
+			<< " slope " << status.noise_slope;
 	} else
-		RPI_WARN(Name() << " no metadata");
+		LOG(RPiNoise, Warning) << " no metadata";
 }
 
 // Register algorithm with the system.

src/ipa/raspberrypi/controller/rpi/sdn.cpp

@@ -5,12 +5,17 @@
  * sdn.cpp - SDN (spatial denoise) control algorithm
  */
 
+#include "libcamera/internal/log.h"
+
 #include "../noise_status.h"
 #include "../sdn_status.h"
 
 #include "sdn.hpp"
 
 using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiSdn)
 
 // Calculate settings for the spatial denoise block using the noise profile in
 // the image metadata.
@@ -40,19 +45,19 @@ void Sdn::Prepare(Metadata *image_metadata)
 	struct NoiseStatus noise_status = {};
 	noise_status.noise_slope = 3.0; // in case no metadata
 	if (image_metadata->Get("noise.status", noise_status) != 0)
-		RPI_WARN("Sdn: no noise profile found");
-	RPI_LOG("Noise profile: constant " << noise_status.noise_constant
-					   << " slope "
-					   << noise_status.noise_slope);
+		LOG(RPiSdn, Warning) << "no noise profile found";
+	LOG(RPiSdn, Debug)
+		<< "Noise profile: constant " << noise_status.noise_constant
+		<< " slope " << noise_status.noise_slope;
 	struct SdnStatus status;
 	status.noise_constant = noise_status.noise_constant * deviation_;
 	status.noise_slope = noise_status.noise_slope * deviation_;
 	status.strength = strength_;
 	image_metadata->Set("sdn.status", status);
-	RPI_LOG("Sdn: programmed constant " << status.noise_constant
+	LOG(RPiSdn, Debug)
+		<< "programmed constant " << status.noise_constant
 		<< " slope " << status.noise_slope
-					    << " strength "
-					    << status.strength);
+		<< " strength " << status.strength;
 }
 
 // Register algorithm with the system.

src/ipa/raspberrypi/controller/rpi/sharpen.cpp

@@ -7,12 +7,16 @@
 
 #include <math.h>
 
-#include "../logging.hpp"
+#include "libcamera/internal/log.h"
+
 #include "../sharpen_status.h"
 
 #include "sharpen.hpp"
 
 using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiSharpen)
 
 #define NAME "rpi.sharpen"
 
@@ -35,10 +39,13 @@ void Sharpen::SwitchMode(CameraMode const &camera_mode,
 
 void Sharpen::Read(boost::property_tree::ptree const &params)
 {
-	RPI_LOG(Name());
 	threshold_ = params.get<double>("threshold", 1.0);
 	strength_ = params.get<double>("strength", 1.0);
 	limit_ = params.get<double>("limit", 1.0);
+	LOG(RPiSharpen, Debug)
+		<< "Read threshold " << threshold_
+		<< " strength " << strength_
+		<< " limit " << limit_;
 }
 
 void Sharpen::SetStrength(double strength)